/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*- * vim: set ts=8 sts=4 et sw=4 tw=99: * * ***** BEGIN LICENSE BLOCK ***** * Copyright (C) 2008 Apple Inc. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * ***** END LICENSE BLOCK ***** */ #ifndef jit_x86_shared_BaseAssembler_x86_shared_h #define jit_x86_shared_BaseAssembler_x86_shared_h #include "mozilla/IntegerPrintfMacros.h" #include "jit/x86-shared/AssemblerBuffer-x86-shared.h" #include "jit/x86-shared/Encoding-x86-shared.h" #include "jit/x86-shared/Patching-x86-shared.h" extern volatile uintptr_t* blackbox; namespace js { namespace jit { namespace X86Encoding { class BaseAssembler; class AutoUnprotectAssemblerBufferRegion { BaseAssembler* assembler; size_t firstByteOffset; size_t lastByteOffset; public: AutoUnprotectAssemblerBufferRegion(BaseAssembler& holder, int32_t offset, size_t size); ~AutoUnprotectAssemblerBufferRegion(); }; class BaseAssembler : public GenericAssembler { public: BaseAssembler() : useVEX_(true) { } void disableVEX() { useVEX_ = false; } size_t size() const { return m_formatter.size(); } const unsigned char* buffer() const { return m_formatter.buffer(); } unsigned char* data() { return m_formatter.data(); } bool oom() const { return m_formatter.oom(); } void nop() { spew("nop"); m_formatter.oneByteOp(OP_NOP); } void comment(const char* msg) { spew("; %s", msg); } MOZ_MUST_USE JmpSrc twoByteNop() { spew("nop (2 byte)"); JmpSrc r(m_formatter.size()); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_NOP); return r; } static void patchTwoByteNopToJump(uint8_t* jump, uint8_t* target) { // Note: the offset is relative to the address of the instruction after // the jump which is two bytes. ptrdiff_t rel8 = target - jump - 2; MOZ_RELEASE_ASSERT(rel8 >= INT8_MIN && rel8 <= INT8_MAX); MOZ_RELEASE_ASSERT(jump[0] == PRE_OPERAND_SIZE); MOZ_RELEASE_ASSERT(jump[1] == OP_NOP); jump[0] = OP_JMP_rel8; jump[1] = rel8; } static void patchJumpToTwoByteNop(uint8_t* jump) { // See twoByteNop. MOZ_RELEASE_ASSERT(jump[0] == OP_JMP_rel8); jump[0] = PRE_OPERAND_SIZE; jump[1] = OP_NOP; } /* * The nop multibytes sequences are directly taken from the Intel's * architecture software developer manual. * They are defined for sequences of sizes from 1 to 9 included. */ void nop_one() { m_formatter.oneByteOp(OP_NOP); } void nop_two() { m_formatter.oneByteOp(OP_NOP_66); m_formatter.oneByteOp(OP_NOP); } void nop_three() { m_formatter.oneByteOp(OP_NOP_0F); m_formatter.oneByteOp(OP_NOP_1F); m_formatter.oneByteOp(OP_NOP_00); } void nop_four() { m_formatter.oneByteOp(OP_NOP_0F); m_formatter.oneByteOp(OP_NOP_1F); m_formatter.oneByteOp(OP_NOP_40); m_formatter.oneByteOp(OP_NOP_00); } void nop_five() { m_formatter.oneByteOp(OP_NOP_0F); m_formatter.oneByteOp(OP_NOP_1F); m_formatter.oneByteOp(OP_NOP_44); m_formatter.oneByteOp(OP_NOP_00); m_formatter.oneByteOp(OP_NOP_00); } void nop_six() { m_formatter.oneByteOp(OP_NOP_66); nop_five(); } void nop_seven() { m_formatter.oneByteOp(OP_NOP_0F); m_formatter.oneByteOp(OP_NOP_1F); m_formatter.oneByteOp(OP_NOP_80); for (int i = 0; i < 4; ++i) m_formatter.oneByteOp(OP_NOP_00); } void nop_eight() { m_formatter.oneByteOp(OP_NOP_0F); m_formatter.oneByteOp(OP_NOP_1F); m_formatter.oneByteOp(OP_NOP_84); for (int i = 0; i < 5; ++i) m_formatter.oneByteOp(OP_NOP_00); } void nop_nine() { m_formatter.oneByteOp(OP_NOP_66); nop_eight(); } void insert_nop(int size) { switch (size) { case 1: nop_one(); break; case 2: nop_two(); break; case 3: nop_three(); break; case 4: nop_four(); break; case 5: nop_five(); break; case 6: nop_six(); break; case 7: nop_seven(); break; case 8: nop_eight(); break; case 9: nop_nine(); break; case 10: nop_three(); nop_seven(); break; case 11: nop_four(); nop_seven(); break; case 12: nop_six(); nop_six(); break; case 13: nop_six(); nop_seven(); break; case 14: nop_seven(); nop_seven(); break; case 15: nop_one(); nop_seven(); nop_seven(); break; default: MOZ_CRASH("Unhandled alignment"); } } // Stack operations: void push_r(RegisterID reg) { spew("push %s", GPRegName(reg)); m_formatter.oneByteOp(OP_PUSH_EAX, reg); } void pop_r(RegisterID reg) { spew("pop %s", GPRegName(reg)); m_formatter.oneByteOp(OP_POP_EAX, reg); } void push_i(int32_t imm) { spew("push $%s0x%x", PRETTYHEX(imm)); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_PUSH_Ib); m_formatter.immediate8s(imm); } else { m_formatter.oneByteOp(OP_PUSH_Iz); m_formatter.immediate32(imm); } } void push_i32(int32_t imm) { spew("push $%s0x%04x", PRETTYHEX(imm)); m_formatter.oneByteOp(OP_PUSH_Iz); m_formatter.immediate32(imm); } void push_m(int32_t offset, RegisterID base) { spew("push " MEM_ob, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_GROUP5_Ev, offset, base, GROUP5_OP_PUSH); } void pop_m(int32_t offset, RegisterID base) { spew("pop " MEM_ob, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_GROUP1A_Ev, offset, base, GROUP1A_OP_POP); } void push_flags() { spew("pushf"); m_formatter.oneByteOp(OP_PUSHFLAGS); } void pop_flags() { spew("popf"); m_formatter.oneByteOp(OP_POPFLAGS); } // Arithmetic operations: void addl_rr(RegisterID src, RegisterID dst) { spew("addl %s, %s", GPReg32Name(src), GPReg32Name(dst)); m_formatter.oneByteOp(OP_ADD_GvEv, src, dst); } void addw_rr(RegisterID src, RegisterID dst) { spew("addw %s, %s", GPReg16Name(src), GPReg16Name(dst)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_ADD_GvEv, src, dst); } void addl_mr(int32_t offset, RegisterID base, RegisterID dst) { spew("addl " MEM_ob ", %s", ADDR_ob(offset, base), GPReg32Name(dst)); m_formatter.oneByteOp(OP_ADD_GvEv, offset, base, dst); } void addl_rm(RegisterID src, int32_t offset, RegisterID base) { spew("addl %s, " MEM_ob, GPReg32Name(src), ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_ADD_EvGv, offset, base, src); } void addl_rm(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("addl %s, " MEM_obs, GPReg32Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp(OP_ADD_EvGv, offset, base, index, scale, src); } void addl_ir(int32_t imm, RegisterID dst) { spew("addl $%d, %s", imm, GPReg32Name(dst)); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, dst, GROUP1_OP_ADD); m_formatter.immediate8s(imm); } else { if (dst == rax) m_formatter.oneByteOp(OP_ADD_EAXIv); else m_formatter.oneByteOp(OP_GROUP1_EvIz, dst, GROUP1_OP_ADD); m_formatter.immediate32(imm); } } void addw_ir(int32_t imm, RegisterID dst) { spew("addw $%d, %s", int16_t(imm), GPReg16Name(dst)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_GROUP1_EvIz, dst, GROUP1_OP_ADD); m_formatter.immediate16(imm); } void addl_i32r(int32_t imm, RegisterID dst) { // 32-bit immediate always, for patching. spew("addl $0x%04x, %s", imm, GPReg32Name(dst)); if (dst == rax) m_formatter.oneByteOp(OP_ADD_EAXIv); else m_formatter.oneByteOp(OP_GROUP1_EvIz, dst, GROUP1_OP_ADD); m_formatter.immediate32(imm); } void addl_im(int32_t imm, int32_t offset, RegisterID base) { spew("addl $%d, " MEM_ob, imm, ADDR_ob(offset, base)); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, offset, base, GROUP1_OP_ADD); m_formatter.immediate8s(imm); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, GROUP1_OP_ADD); m_formatter.immediate32(imm); } } void addl_im(int32_t imm, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("addl $%d, " MEM_obs, imm, ADDR_obs(offset, base, index, scale)); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, offset, base, index, scale, GROUP1_OP_ADD); m_formatter.immediate8s(imm); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, index, scale, GROUP1_OP_ADD); m_formatter.immediate32(imm); } } void addl_im(int32_t imm, const void* addr) { spew("addl $%d, %p", imm, addr); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, addr, GROUP1_OP_ADD); m_formatter.immediate8s(imm); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, addr, GROUP1_OP_ADD); m_formatter.immediate32(imm); } } void addw_im(int32_t imm, const void* addr) { spew("addw $%d, %p", int16_t(imm), addr); m_formatter.prefix(PRE_OPERAND_SIZE); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, addr, GROUP1_OP_ADD); m_formatter.immediate8s(imm); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, addr, GROUP1_OP_ADD); m_formatter.immediate16(imm); } } void addw_im(int32_t imm, int32_t offset, RegisterID base) { spew("addw $%d, " MEM_ob, int16_t(imm), ADDR_ob(offset, base)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, GROUP1_OP_ADD); m_formatter.immediate16(imm); } void addw_im(int32_t imm, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("addw $%d, " MEM_obs, int16_t(imm), ADDR_obs(offset, base, index, scale)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, index, scale, GROUP1_OP_ADD); m_formatter.immediate16(imm); } void addw_rm(RegisterID src, int32_t offset, RegisterID base) { spew("addw %s, " MEM_ob, GPReg16Name(src), ADDR_ob(offset, base)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_ADD_EvGv, offset, base, src); } void addw_rm(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("addw %s, " MEM_obs, GPReg16Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_ADD_EvGv, offset, base, index, scale, src); } void addb_im(int32_t imm, int32_t offset, RegisterID base) { spew("addb $%d, " MEM_ob, int8_t(imm), ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_GROUP1_EbIb, offset, base, GROUP1_OP_ADD); m_formatter.immediate8(imm); } void addb_im(int32_t imm, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("addb $%d, " MEM_obs, int8_t(imm), ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp(OP_GROUP1_EbIb, offset, base, index, scale, GROUP1_OP_ADD); m_formatter.immediate8(imm); } void addb_rm(RegisterID src, int32_t offset, RegisterID base) { spew("addb %s, " MEM_ob, GPReg8Name(src), ADDR_ob(offset, base)); m_formatter.oneByteOp8(OP_ADD_EbGb, offset, base, src); } void addb_rm(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("addb %s, " MEM_obs, GPReg8Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp8(OP_ADD_EbGb, offset, base, index, scale, src); } void subb_im(int32_t imm, int32_t offset, RegisterID base) { spew("subb $%d, " MEM_ob, int8_t(imm), ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_GROUP1_EbIb, offset, base, GROUP1_OP_SUB); m_formatter.immediate8(imm); } void subb_im(int32_t imm, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("subb $%d, " MEM_obs, int8_t(imm), ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp(OP_GROUP1_EbIb, offset, base, index, scale, GROUP1_OP_SUB); m_formatter.immediate8(imm); } void subb_rm(RegisterID src, int32_t offset, RegisterID base) { spew("subb %s, " MEM_ob, GPReg8Name(src), ADDR_ob(offset, base)); m_formatter.oneByteOp8(OP_SUB_EbGb, offset, base, src); } void subb_rm(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("subb %s, " MEM_obs, GPReg8Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp8(OP_SUB_EbGb, offset, base, index, scale, src); } void andb_im(int32_t imm, int32_t offset, RegisterID base) { spew("andb $%d, " MEM_ob, int8_t(imm), ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_GROUP1_EbIb, offset, base, GROUP1_OP_AND); m_formatter.immediate8(imm); } void andb_im(int32_t imm, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("andb $%d, " MEM_obs, int8_t(imm), ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp(OP_GROUP1_EbIb, offset, base, index, scale, GROUP1_OP_AND); m_formatter.immediate8(imm); } void andb_rm(RegisterID src, int32_t offset, RegisterID base) { spew("andb %s, " MEM_ob, GPReg8Name(src), ADDR_ob(offset, base)); m_formatter.oneByteOp8(OP_AND_EbGb, offset, base, src); } void andb_rm(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("andb %s, " MEM_obs, GPReg8Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp8(OP_AND_EbGb, offset, base, index, scale, src); } void orb_im(int32_t imm, int32_t offset, RegisterID base) { spew("orb $%d, " MEM_ob, int8_t(imm), ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_GROUP1_EbIb, offset, base, GROUP1_OP_OR); m_formatter.immediate8(imm); } void orb_im(int32_t imm, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("orb $%d, " MEM_obs, int8_t(imm), ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp(OP_GROUP1_EbIb, offset, base, index, scale, GROUP1_OP_OR); m_formatter.immediate8(imm); } void orb_rm(RegisterID src, int32_t offset, RegisterID base) { spew("orb %s, " MEM_ob, GPReg8Name(src), ADDR_ob(offset, base)); m_formatter.oneByteOp8(OP_OR_EbGb, offset, base, src); } void orb_rm(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("orb %s, " MEM_obs, GPReg8Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp8(OP_OR_EbGb, offset, base, index, scale, src); } void xorb_im(int32_t imm, int32_t offset, RegisterID base) { spew("xorb $%d, " MEM_ob, int8_t(imm), ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_GROUP1_EbIb, offset, base, GROUP1_OP_XOR); m_formatter.immediate8(imm); } void xorb_im(int32_t imm, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("xorb $%d, " MEM_obs, int8_t(imm), ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp(OP_GROUP1_EbIb, offset, base, index, scale, GROUP1_OP_XOR); m_formatter.immediate8(imm); } void xorb_rm(RegisterID src, int32_t offset, RegisterID base) { spew("xorb %s, " MEM_ob, GPReg8Name(src), ADDR_ob(offset, base)); m_formatter.oneByteOp8(OP_XOR_EbGb, offset, base, src); } void xorb_rm(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("xorb %s, " MEM_obs, GPReg8Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp8(OP_XOR_EbGb, offset, base, index, scale, src); } void lock_xaddb_rm(RegisterID srcdest, int32_t offset, RegisterID base) { spew("lock xaddb %s, " MEM_ob, GPReg8Name(srcdest), ADDR_ob(offset, base)); m_formatter.oneByteOp(PRE_LOCK); m_formatter.twoByteOp8(OP2_XADD_EbGb, offset, base, srcdest); } void lock_xaddb_rm(RegisterID srcdest, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("lock xaddb %s, " MEM_obs, GPReg8Name(srcdest), ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp(PRE_LOCK); m_formatter.twoByteOp8(OP2_XADD_EbGb, offset, base, index, scale, srcdest); } void lock_xaddl_rm(RegisterID srcdest, int32_t offset, RegisterID base) { spew("lock xaddl %s, " MEM_ob, GPReg32Name(srcdest), ADDR_ob(offset, base)); m_formatter.oneByteOp(PRE_LOCK); m_formatter.twoByteOp(OP2_XADD_EvGv, offset, base, srcdest); } void lock_xaddl_rm(RegisterID srcdest, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("lock xaddl %s, " MEM_obs, GPReg32Name(srcdest), ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp(PRE_LOCK); m_formatter.twoByteOp(OP2_XADD_EvGv, offset, base, index, scale, srcdest); } void vpaddb_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpaddb", VEX_PD, OP2_PADDB_VdqWdq, src1, src0, dst); } void vpaddb_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpaddb", VEX_PD, OP2_PADDB_VdqWdq, offset, base, src0, dst); } void vpaddb_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpaddb", VEX_PD, OP2_PADDB_VdqWdq, address, src0, dst); } void vpaddsb_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpaddsb", VEX_PD, OP2_PADDSB_VdqWdq, src1, src0, dst); } void vpaddsb_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpaddsb", VEX_PD, OP2_PADDSB_VdqWdq, offset, base, src0, dst); } void vpaddsb_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpaddsb", VEX_PD, OP2_PADDSB_VdqWdq, address, src0, dst); } void vpaddusb_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpaddusb", VEX_PD, OP2_PADDUSB_VdqWdq, src1, src0, dst); } void vpaddusb_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpaddusb", VEX_PD, OP2_PADDUSB_VdqWdq, offset, base, src0, dst); } void vpaddusb_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpaddusb", VEX_PD, OP2_PADDUSB_VdqWdq, address, src0, dst); } void vpaddw_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpaddw", VEX_PD, OP2_PADDW_VdqWdq, src1, src0, dst); } void vpaddw_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpaddw", VEX_PD, OP2_PADDW_VdqWdq, offset, base, src0, dst); } void vpaddw_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpaddw", VEX_PD, OP2_PADDW_VdqWdq, address, src0, dst); } void vpaddsw_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpaddsw", VEX_PD, OP2_PADDSW_VdqWdq, src1, src0, dst); } void vpaddsw_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpaddsw", VEX_PD, OP2_PADDSW_VdqWdq, offset, base, src0, dst); } void vpaddsw_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpaddsw", VEX_PD, OP2_PADDSW_VdqWdq, address, src0, dst); } void vpaddusw_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpaddusw", VEX_PD, OP2_PADDUSW_VdqWdq, src1, src0, dst); } void vpaddusw_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpaddusw", VEX_PD, OP2_PADDUSW_VdqWdq, offset, base, src0, dst); } void vpaddusw_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpaddusw", VEX_PD, OP2_PADDUSW_VdqWdq, address, src0, dst); } void vpaddd_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpaddd", VEX_PD, OP2_PADDD_VdqWdq, src1, src0, dst); } void vpaddd_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpaddd", VEX_PD, OP2_PADDD_VdqWdq, offset, base, src0, dst); } void vpaddd_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpaddd", VEX_PD, OP2_PADDD_VdqWdq, address, src0, dst); } void vpsubb_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsubb", VEX_PD, OP2_PSUBB_VdqWdq, src1, src0, dst); } void vpsubb_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsubb", VEX_PD, OP2_PSUBB_VdqWdq, offset, base, src0, dst); } void vpsubb_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsubb", VEX_PD, OP2_PSUBB_VdqWdq, address, src0, dst); } void vpsubsb_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsubsb", VEX_PD, OP2_PSUBSB_VdqWdq, src1, src0, dst); } void vpsubsb_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsubsb", VEX_PD, OP2_PSUBSB_VdqWdq, offset, base, src0, dst); } void vpsubsb_mr(const void* subress, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsubsb", VEX_PD, OP2_PSUBSB_VdqWdq, subress, src0, dst); } void vpsubusb_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsubusb", VEX_PD, OP2_PSUBUSB_VdqWdq, src1, src0, dst); } void vpsubusb_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsubusb", VEX_PD, OP2_PSUBUSB_VdqWdq, offset, base, src0, dst); } void vpsubusb_mr(const void* subress, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsubusb", VEX_PD, OP2_PSUBUSB_VdqWdq, subress, src0, dst); } void vpsubw_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsubw", VEX_PD, OP2_PSUBW_VdqWdq, src1, src0, dst); } void vpsubw_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsubw", VEX_PD, OP2_PSUBW_VdqWdq, offset, base, src0, dst); } void vpsubw_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsubw", VEX_PD, OP2_PSUBW_VdqWdq, address, src0, dst); } void vpsubsw_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsubsw", VEX_PD, OP2_PSUBSW_VdqWdq, src1, src0, dst); } void vpsubsw_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsubsw", VEX_PD, OP2_PSUBSW_VdqWdq, offset, base, src0, dst); } void vpsubsw_mr(const void* subress, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsubsw", VEX_PD, OP2_PSUBSW_VdqWdq, subress, src0, dst); } void vpsubusw_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsubusw", VEX_PD, OP2_PSUBUSW_VdqWdq, src1, src0, dst); } void vpsubusw_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsubusw", VEX_PD, OP2_PSUBUSW_VdqWdq, offset, base, src0, dst); } void vpsubusw_mr(const void* subress, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsubusw", VEX_PD, OP2_PSUBUSW_VdqWdq, subress, src0, dst); } void vpsubd_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsubd", VEX_PD, OP2_PSUBD_VdqWdq, src1, src0, dst); } void vpsubd_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsubd", VEX_PD, OP2_PSUBD_VdqWdq, offset, base, src0, dst); } void vpsubd_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsubd", VEX_PD, OP2_PSUBD_VdqWdq, address, src0, dst); } void vpmuludq_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpmuludq", VEX_PD, OP2_PMULUDQ_VdqWdq, src1, src0, dst); } void vpmuludq_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpmuludq", VEX_PD, OP2_PMULUDQ_VdqWdq, offset, base, src0, dst); } void vpmullw_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpmullw", VEX_PD, OP2_PMULLW_VdqWdq, src1, src0, dst); } void vpmullw_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpmullw", VEX_PD, OP2_PMULLW_VdqWdq, offset, base, src0, dst); } void vpmulld_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { threeByteOpSimd("vpmulld", VEX_PD, OP3_PMULLD_VdqWdq, ESCAPE_38, src1, src0, dst); } void vpmulld_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { threeByteOpSimd("vpmulld", VEX_PD, OP3_PMULLD_VdqWdq, ESCAPE_38, offset, base, src0, dst); } void vpmulld_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { threeByteOpSimd("vpmulld", VEX_PD, OP3_PMULLD_VdqWdq, ESCAPE_38, address, src0, dst); } void vaddps_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vaddps", VEX_PS, OP2_ADDPS_VpsWps, src1, src0, dst); } void vaddps_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vaddps", VEX_PS, OP2_ADDPS_VpsWps, offset, base, src0, dst); } void vaddps_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vaddps", VEX_PS, OP2_ADDPS_VpsWps, address, src0, dst); } void vsubps_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vsubps", VEX_PS, OP2_SUBPS_VpsWps, src1, src0, dst); } void vsubps_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vsubps", VEX_PS, OP2_SUBPS_VpsWps, offset, base, src0, dst); } void vsubps_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vsubps", VEX_PS, OP2_SUBPS_VpsWps, address, src0, dst); } void vmulps_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vmulps", VEX_PS, OP2_MULPS_VpsWps, src1, src0, dst); } void vmulps_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vmulps", VEX_PS, OP2_MULPS_VpsWps, offset, base, src0, dst); } void vmulps_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vmulps", VEX_PS, OP2_MULPS_VpsWps, address, src0, dst); } void vdivps_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vdivps", VEX_PS, OP2_DIVPS_VpsWps, src1, src0, dst); } void vdivps_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vdivps", VEX_PS, OP2_DIVPS_VpsWps, offset, base, src0, dst); } void vdivps_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vdivps", VEX_PS, OP2_DIVPS_VpsWps, address, src0, dst); } void vmaxps_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vmaxps", VEX_PS, OP2_MAXPS_VpsWps, src1, src0, dst); } void vmaxps_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vmaxps", VEX_PS, OP2_MAXPS_VpsWps, offset, base, src0, dst); } void vmaxps_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vmaxps", VEX_PS, OP2_MAXPS_VpsWps, address, src0, dst); } void vminps_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vminps", VEX_PS, OP2_MINPS_VpsWps, src1, src0, dst); } void vminps_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vminps", VEX_PS, OP2_MINPS_VpsWps, offset, base, src0, dst); } void vminps_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vminps", VEX_PS, OP2_MINPS_VpsWps, address, src0, dst); } void andl_rr(RegisterID src, RegisterID dst) { spew("andl %s, %s", GPReg32Name(src), GPReg32Name(dst)); m_formatter.oneByteOp(OP_AND_GvEv, src, dst); } void andw_rr(RegisterID src, RegisterID dst) { spew("andw %s, %s", GPReg16Name(src), GPReg16Name(dst)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_AND_GvEv, src, dst); } void andl_mr(int32_t offset, RegisterID base, RegisterID dst) { spew("andl " MEM_ob ", %s", ADDR_ob(offset, base), GPReg32Name(dst)); m_formatter.oneByteOp(OP_AND_GvEv, offset, base, dst); } void andl_rm(RegisterID src, int32_t offset, RegisterID base) { spew("andl %s, " MEM_ob, GPReg32Name(src), ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_AND_EvGv, offset, base, src); } void andw_rm(RegisterID src, int32_t offset, RegisterID base) { spew("andw %s, " MEM_ob, GPReg16Name(src), ADDR_ob(offset, base)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_AND_EvGv, offset, base, src); } void andl_rm(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("andl %s, " MEM_obs, GPReg32Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp(OP_AND_EvGv, offset, base, index, scale, src); } void andw_rm(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("andw %s, " MEM_obs, GPReg16Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_AND_EvGv, offset, base, index, scale, src); } void andl_ir(int32_t imm, RegisterID dst) { spew("andl $0x%x, %s", imm, GPReg32Name(dst)); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, dst, GROUP1_OP_AND); m_formatter.immediate8s(imm); } else { if (dst == rax) m_formatter.oneByteOp(OP_AND_EAXIv); else m_formatter.oneByteOp(OP_GROUP1_EvIz, dst, GROUP1_OP_AND); m_formatter.immediate32(imm); } } void andw_ir(int32_t imm, RegisterID dst) { spew("andw $0x%x, %s", int16_t(imm), GPReg16Name(dst)); m_formatter.prefix(PRE_OPERAND_SIZE); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, dst, GROUP1_OP_AND); m_formatter.immediate8s(imm); } else { if (dst == rax) m_formatter.oneByteOp(OP_AND_EAXIv); else m_formatter.oneByteOp(OP_GROUP1_EvIz, dst, GROUP1_OP_AND); m_formatter.immediate16(imm); } } void andl_im(int32_t imm, int32_t offset, RegisterID base) { spew("andl $0x%x, " MEM_ob, imm, ADDR_ob(offset, base)); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, offset, base, GROUP1_OP_AND); m_formatter.immediate8s(imm); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, GROUP1_OP_AND); m_formatter.immediate32(imm); } } void andw_im(int32_t imm, int32_t offset, RegisterID base) { spew("andw $0x%x, " MEM_ob, int16_t(imm), ADDR_ob(offset, base)); m_formatter.prefix(PRE_OPERAND_SIZE); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, offset, base, GROUP1_OP_AND); m_formatter.immediate8s(imm); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, GROUP1_OP_AND); m_formatter.immediate16(imm); } } void andl_im(int32_t imm, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("andl $%d, " MEM_obs, imm, ADDR_obs(offset, base, index, scale)); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, offset, base, index, scale, GROUP1_OP_AND); m_formatter.immediate8s(imm); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, index, scale, GROUP1_OP_AND); m_formatter.immediate32(imm); } } void andw_im(int32_t imm, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("andw $%d, " MEM_obs, int16_t(imm), ADDR_obs(offset, base, index, scale)); m_formatter.prefix(PRE_OPERAND_SIZE); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, offset, base, index, scale, GROUP1_OP_AND); m_formatter.immediate8s(imm); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, index, scale, GROUP1_OP_AND); m_formatter.immediate16(imm); } } void fld_m(int32_t offset, RegisterID base) { spew("fld " MEM_ob, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_FPU6, offset, base, FPU6_OP_FLD); } void fld32_m(int32_t offset, RegisterID base) { spew("fld " MEM_ob, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_FPU6_F32, offset, base, FPU6_OP_FLD); } void faddp() { spew("addp "); m_formatter.oneByteOp(OP_FPU6_ADDP); m_formatter.oneByteOp(OP_ADDP_ST0_ST1); } void fisttp_m(int32_t offset, RegisterID base) { spew("fisttp " MEM_ob, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_FPU6, offset, base, FPU6_OP_FISTTP); } void fistp_m(int32_t offset, RegisterID base) { spew("fistp " MEM_ob, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_FILD, offset, base, FPU6_OP_FISTP); } void fstp_m(int32_t offset, RegisterID base) { spew("fstp " MEM_ob, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_FPU6, offset, base, FPU6_OP_FSTP); } void fstp32_m(int32_t offset, RegisterID base) { spew("fstp32 " MEM_ob, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_FPU6_F32, offset, base, FPU6_OP_FSTP); } void fnstcw_m(int32_t offset, RegisterID base) { spew("fnstcw " MEM_ob, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_FPU6_F32, offset, base, FPU6_OP_FISTP); } void fldcw_m(int32_t offset, RegisterID base) { spew("fldcw " MEM_ob, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_FPU6_F32, offset, base, FPU6_OP_FLDCW); } void fnstsw_m(int32_t offset, RegisterID base) { spew("fnstsw " MEM_ob, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_FPU6, offset, base, FPU6_OP_FISTP); } void negl_r(RegisterID dst) { spew("negl %s", GPReg32Name(dst)); m_formatter.oneByteOp(OP_GROUP3_Ev, dst, GROUP3_OP_NEG); } void negl_m(int32_t offset, RegisterID base) { spew("negl " MEM_ob, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_GROUP3_Ev, offset, base, GROUP3_OP_NEG); } void notl_r(RegisterID dst) { spew("notl %s", GPReg32Name(dst)); m_formatter.oneByteOp(OP_GROUP3_Ev, dst, GROUP3_OP_NOT); } void notl_m(int32_t offset, RegisterID base) { spew("notl " MEM_ob, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_GROUP3_Ev, offset, base, GROUP3_OP_NOT); } void orl_rr(RegisterID src, RegisterID dst) { spew("orl %s, %s", GPReg32Name(src), GPReg32Name(dst)); m_formatter.oneByteOp(OP_OR_GvEv, src, dst); } void orw_rr(RegisterID src, RegisterID dst) { spew("orw %s, %s", GPReg16Name(src), GPReg16Name(dst)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_OR_GvEv, src, dst); } void orl_mr(int32_t offset, RegisterID base, RegisterID dst) { spew("orl " MEM_ob ", %s", ADDR_ob(offset, base), GPReg32Name(dst)); m_formatter.oneByteOp(OP_OR_GvEv, offset, base, dst); } void orl_rm(RegisterID src, int32_t offset, RegisterID base) { spew("orl %s, " MEM_ob, GPReg32Name(src), ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_OR_EvGv, offset, base, src); } void orw_rm(RegisterID src, int32_t offset, RegisterID base) { spew("orw %s, " MEM_ob, GPReg16Name(src), ADDR_ob(offset, base)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_OR_EvGv, offset, base, src); } void orl_rm(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("orl %s, " MEM_obs, GPReg32Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp(OP_OR_EvGv, offset, base, index, scale, src); } void orw_rm(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("orw %s, " MEM_obs, GPReg16Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_OR_EvGv, offset, base, index, scale, src); } void orl_ir(int32_t imm, RegisterID dst) { spew("orl $0x%x, %s", imm, GPReg32Name(dst)); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, dst, GROUP1_OP_OR); m_formatter.immediate8s(imm); } else { if (dst == rax) m_formatter.oneByteOp(OP_OR_EAXIv); else m_formatter.oneByteOp(OP_GROUP1_EvIz, dst, GROUP1_OP_OR); m_formatter.immediate32(imm); } } void orw_ir(int32_t imm, RegisterID dst) { spew("orw $0x%x, %s", int16_t(imm), GPReg16Name(dst)); m_formatter.prefix(PRE_OPERAND_SIZE); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, dst, GROUP1_OP_OR); m_formatter.immediate8s(imm); } else { if (dst == rax) m_formatter.oneByteOp(OP_OR_EAXIv); else m_formatter.oneByteOp(OP_GROUP1_EvIz, dst, GROUP1_OP_OR); m_formatter.immediate16(imm); } } void orl_im(int32_t imm, int32_t offset, RegisterID base) { spew("orl $0x%x, " MEM_ob, imm, ADDR_ob(offset, base)); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, offset, base, GROUP1_OP_OR); m_formatter.immediate8s(imm); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, GROUP1_OP_OR); m_formatter.immediate32(imm); } } void orw_im(int32_t imm, int32_t offset, RegisterID base) { spew("orw $0x%x, " MEM_ob, int16_t(imm), ADDR_ob(offset, base)); m_formatter.prefix(PRE_OPERAND_SIZE); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, offset, base, GROUP1_OP_OR); m_formatter.immediate8s(imm); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, GROUP1_OP_OR); m_formatter.immediate16(imm); } } void orl_im(int32_t imm, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("orl $%d, " MEM_obs, imm, ADDR_obs(offset, base, index, scale)); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, offset, base, index, scale, GROUP1_OP_OR); m_formatter.immediate8s(imm); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, index, scale, GROUP1_OP_OR); m_formatter.immediate32(imm); } } void orw_im(int32_t imm, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("orw $%d, " MEM_obs, int16_t(imm), ADDR_obs(offset, base, index, scale)); m_formatter.prefix(PRE_OPERAND_SIZE); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, offset, base, index, scale, GROUP1_OP_OR); m_formatter.immediate8s(imm); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, index, scale, GROUP1_OP_OR); m_formatter.immediate16(imm); } } void subl_rr(RegisterID src, RegisterID dst) { spew("subl %s, %s", GPReg32Name(src), GPReg32Name(dst)); m_formatter.oneByteOp(OP_SUB_GvEv, src, dst); } void subw_rr(RegisterID src, RegisterID dst) { spew("subw %s, %s", GPReg16Name(src), GPReg16Name(dst)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_SUB_GvEv, src, dst); } void subl_mr(int32_t offset, RegisterID base, RegisterID dst) { spew("subl " MEM_ob ", %s", ADDR_ob(offset, base), GPReg32Name(dst)); m_formatter.oneByteOp(OP_SUB_GvEv, offset, base, dst); } void subl_rm(RegisterID src, int32_t offset, RegisterID base) { spew("subl %s, " MEM_ob, GPReg32Name(src), ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_SUB_EvGv, offset, base, src); } void subw_rm(RegisterID src, int32_t offset, RegisterID base) { spew("subw %s, " MEM_ob, GPReg16Name(src), ADDR_ob(offset, base)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_SUB_EvGv, offset, base, src); } void subl_rm(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("subl %s, " MEM_obs, GPReg32Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp(OP_SUB_EvGv, offset, base, index, scale, src); } void subw_rm(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("subw %s, " MEM_obs, GPReg16Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_SUB_EvGv, offset, base, index, scale, src); } void subl_ir(int32_t imm, RegisterID dst) { spew("subl $%d, %s", imm, GPReg32Name(dst)); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, dst, GROUP1_OP_SUB); m_formatter.immediate8s(imm); } else { if (dst == rax) m_formatter.oneByteOp(OP_SUB_EAXIv); else m_formatter.oneByteOp(OP_GROUP1_EvIz, dst, GROUP1_OP_SUB); m_formatter.immediate32(imm); } } void subw_ir(int32_t imm, RegisterID dst) { spew("subw $%d, %s", int16_t(imm), GPReg16Name(dst)); m_formatter.prefix(PRE_OPERAND_SIZE); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, dst, GROUP1_OP_SUB); m_formatter.immediate8s(imm); } else { if (dst == rax) m_formatter.oneByteOp(OP_SUB_EAXIv); else m_formatter.oneByteOp(OP_GROUP1_EvIz, dst, GROUP1_OP_SUB); m_formatter.immediate16(imm); } } void subl_im(int32_t imm, int32_t offset, RegisterID base) { spew("subl $%d, " MEM_ob, imm, ADDR_ob(offset, base)); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, offset, base, GROUP1_OP_SUB); m_formatter.immediate8s(imm); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, GROUP1_OP_SUB); m_formatter.immediate32(imm); } } void subw_im(int32_t imm, int32_t offset, RegisterID base) { spew("subw $%d, " MEM_ob, int16_t(imm), ADDR_ob(offset, base)); m_formatter.prefix(PRE_OPERAND_SIZE); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, offset, base, GROUP1_OP_SUB); m_formatter.immediate8s(imm); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, GROUP1_OP_SUB); m_formatter.immediate16(imm); } } void subl_im(int32_t imm, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("subl $%d, " MEM_obs, imm, ADDR_obs(offset, base, index, scale)); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, offset, base, index, scale, GROUP1_OP_SUB); m_formatter.immediate8s(imm); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, index, scale, GROUP1_OP_SUB); m_formatter.immediate32(imm); } } void subw_im(int32_t imm, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("subw $%d, " MEM_obs, int16_t(imm), ADDR_obs(offset, base, index, scale)); m_formatter.prefix(PRE_OPERAND_SIZE); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, offset, base, index, scale, GROUP1_OP_SUB); m_formatter.immediate8s(imm); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, index, scale, GROUP1_OP_SUB); m_formatter.immediate16(imm); } } void xorl_rr(RegisterID src, RegisterID dst) { spew("xorl %s, %s", GPReg32Name(src), GPReg32Name(dst)); m_formatter.oneByteOp(OP_XOR_GvEv, src, dst); } void xorw_rr(RegisterID src, RegisterID dst) { spew("xorw %s, %s", GPReg16Name(src), GPReg16Name(dst)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_XOR_GvEv, src, dst); } void xorl_mr(int32_t offset, RegisterID base, RegisterID dst) { spew("xorl " MEM_ob ", %s", ADDR_ob(offset, base), GPReg32Name(dst)); m_formatter.oneByteOp(OP_XOR_GvEv, offset, base, dst); } void xorl_rm(RegisterID src, int32_t offset, RegisterID base) { spew("xorl %s, " MEM_ob, GPReg32Name(src), ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_XOR_EvGv, offset, base, src); } void xorw_rm(RegisterID src, int32_t offset, RegisterID base) { spew("xorw %s, " MEM_ob, GPReg16Name(src), ADDR_ob(offset, base)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_XOR_EvGv, offset, base, src); } void xorl_rm(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("xorl %s, " MEM_obs, GPReg32Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp(OP_XOR_EvGv, offset, base, index, scale, src); } void xorw_rm(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("xorw %s, " MEM_obs, GPReg16Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_XOR_EvGv, offset, base, index, scale, src); } void xorl_im(int32_t imm, int32_t offset, RegisterID base) { spew("xorl $0x%x, " MEM_ob, imm, ADDR_ob(offset, base)); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, offset, base, GROUP1_OP_XOR); m_formatter.immediate8s(imm); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, GROUP1_OP_XOR); m_formatter.immediate32(imm); } } void xorw_im(int32_t imm, int32_t offset, RegisterID base) { spew("xorw $0x%x, " MEM_ob, int16_t(imm), ADDR_ob(offset, base)); m_formatter.prefix(PRE_OPERAND_SIZE); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, offset, base, GROUP1_OP_XOR); m_formatter.immediate8s(imm); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, GROUP1_OP_XOR); m_formatter.immediate16(imm); } } void xorl_im(int32_t imm, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("xorl $%d, " MEM_obs, imm, ADDR_obs(offset, base, index, scale)); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, offset, base, index, scale, GROUP1_OP_XOR); m_formatter.immediate8s(imm); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, index, scale, GROUP1_OP_XOR); m_formatter.immediate32(imm); } } void xorw_im(int32_t imm, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("xorw $%d, " MEM_obs, int16_t(imm), ADDR_obs(offset, base, index, scale)); m_formatter.prefix(PRE_OPERAND_SIZE); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, offset, base, index, scale, GROUP1_OP_XOR); m_formatter.immediate8s(imm); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, index, scale, GROUP1_OP_XOR); m_formatter.immediate16(imm); } } void xorl_ir(int32_t imm, RegisterID dst) { spew("xorl $%d, %s", imm, GPReg32Name(dst)); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, dst, GROUP1_OP_XOR); m_formatter.immediate8s(imm); } else { if (dst == rax) m_formatter.oneByteOp(OP_XOR_EAXIv); else m_formatter.oneByteOp(OP_GROUP1_EvIz, dst, GROUP1_OP_XOR); m_formatter.immediate32(imm); } } void xorw_ir(int32_t imm, RegisterID dst) { spew("xorw $%d, %s", int16_t(imm), GPReg16Name(dst)); m_formatter.prefix(PRE_OPERAND_SIZE); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, dst, GROUP1_OP_XOR); m_formatter.immediate8s(imm); } else { if (dst == rax) m_formatter.oneByteOp(OP_XOR_EAXIv); else m_formatter.oneByteOp(OP_GROUP1_EvIz, dst, GROUP1_OP_XOR); m_formatter.immediate16(imm); } } void sarl_ir(int32_t imm, RegisterID dst) { MOZ_ASSERT(imm < 32); spew("sarl $%d, %s", imm, GPReg32Name(dst)); if (imm == 1) m_formatter.oneByteOp(OP_GROUP2_Ev1, dst, GROUP2_OP_SAR); else { m_formatter.oneByteOp(OP_GROUP2_EvIb, dst, GROUP2_OP_SAR); m_formatter.immediate8u(imm); } } void sarl_CLr(RegisterID dst) { spew("sarl %%cl, %s", GPReg32Name(dst)); m_formatter.oneByteOp(OP_GROUP2_EvCL, dst, GROUP2_OP_SAR); } void shrl_ir(int32_t imm, RegisterID dst) { MOZ_ASSERT(imm < 32); spew("shrl $%d, %s", imm, GPReg32Name(dst)); if (imm == 1) m_formatter.oneByteOp(OP_GROUP2_Ev1, dst, GROUP2_OP_SHR); else { m_formatter.oneByteOp(OP_GROUP2_EvIb, dst, GROUP2_OP_SHR); m_formatter.immediate8u(imm); } } void shrl_CLr(RegisterID dst) { spew("shrl %%cl, %s", GPReg32Name(dst)); m_formatter.oneByteOp(OP_GROUP2_EvCL, dst, GROUP2_OP_SHR); } void shrdl_CLr(RegisterID src, RegisterID dst) { spew("shrdl %%cl, %s, %s", GPReg32Name(src), GPReg32Name(dst)); m_formatter.twoByteOp(OP2_SHRD_GvEv, dst, src); } void shldl_CLr(RegisterID src, RegisterID dst) { spew("shldl %%cl, %s, %s", GPReg32Name(src), GPReg32Name(dst)); m_formatter.twoByteOp(OP2_SHLD_GvEv, dst, src); } void shll_ir(int32_t imm, RegisterID dst) { MOZ_ASSERT(imm < 32); spew("shll $%d, %s", imm, GPReg32Name(dst)); if (imm == 1) m_formatter.oneByteOp(OP_GROUP2_Ev1, dst, GROUP2_OP_SHL); else { m_formatter.oneByteOp(OP_GROUP2_EvIb, dst, GROUP2_OP_SHL); m_formatter.immediate8u(imm); } } void shll_CLr(RegisterID dst) { spew("shll %%cl, %s", GPReg32Name(dst)); m_formatter.oneByteOp(OP_GROUP2_EvCL, dst, GROUP2_OP_SHL); } void roll_ir(int32_t imm, RegisterID dst) { MOZ_ASSERT(imm < 32); spew("roll $%d, %s", imm, GPReg32Name(dst)); if (imm == 1) m_formatter.oneByteOp(OP_GROUP2_Ev1, dst, GROUP2_OP_ROL); else { m_formatter.oneByteOp(OP_GROUP2_EvIb, dst, GROUP2_OP_ROL); m_formatter.immediate8u(imm); } } void roll_CLr(RegisterID dst) { spew("roll %%cl, %s", GPReg32Name(dst)); m_formatter.oneByteOp(OP_GROUP2_EvCL, dst, GROUP2_OP_ROL); } void rorl_ir(int32_t imm, RegisterID dst) { MOZ_ASSERT(imm < 32); spew("rorl $%d, %s", imm, GPReg32Name(dst)); if (imm == 1) m_formatter.oneByteOp(OP_GROUP2_Ev1, dst, GROUP2_OP_ROR); else { m_formatter.oneByteOp(OP_GROUP2_EvIb, dst, GROUP2_OP_ROR); m_formatter.immediate8u(imm); } } void rorl_CLr(RegisterID dst) { spew("rorl %%cl, %s", GPReg32Name(dst)); m_formatter.oneByteOp(OP_GROUP2_EvCL, dst, GROUP2_OP_ROR); } void bsrl_rr(RegisterID src, RegisterID dst) { spew("bsrl %s, %s", GPReg32Name(src), GPReg32Name(dst)); m_formatter.twoByteOp(OP2_BSR_GvEv, src, dst); } void bsfl_rr(RegisterID src, RegisterID dst) { spew("bsfl %s, %s", GPReg32Name(src), GPReg32Name(dst)); m_formatter.twoByteOp(OP2_BSF_GvEv, src, dst); } void popcntl_rr(RegisterID src, RegisterID dst) { spew("popcntl %s, %s", GPReg32Name(src), GPReg32Name(dst)); m_formatter.legacySSEPrefix(VEX_SS); m_formatter.twoByteOp(OP2_POPCNT_GvEv, src, dst); } void imull_rr(RegisterID src, RegisterID dst) { spew("imull %s, %s", GPReg32Name(src), GPReg32Name(dst)); m_formatter.twoByteOp(OP2_IMUL_GvEv, src, dst); } void imull_r(RegisterID multiplier) { spew("imull %s", GPReg32Name(multiplier)); m_formatter.oneByteOp(OP_GROUP3_Ev, multiplier, GROUP3_OP_IMUL); } void imull_mr(int32_t offset, RegisterID base, RegisterID dst) { spew("imull " MEM_ob ", %s", ADDR_ob(offset, base), GPReg32Name(dst)); m_formatter.twoByteOp(OP2_IMUL_GvEv, offset, base, dst); } void imull_ir(int32_t value, RegisterID src, RegisterID dst) { spew("imull $%d, %s, %s", value, GPReg32Name(src), GPReg32Name(dst)); if (CAN_SIGN_EXTEND_8_32(value)) { m_formatter.oneByteOp(OP_IMUL_GvEvIb, src, dst); m_formatter.immediate8s(value); } else { m_formatter.oneByteOp(OP_IMUL_GvEvIz, src, dst); m_formatter.immediate32(value); } } void mull_r(RegisterID multiplier) { spew("mull %s", GPReg32Name(multiplier)); m_formatter.oneByteOp(OP_GROUP3_Ev, multiplier, GROUP3_OP_MUL); } void idivl_r(RegisterID divisor) { spew("idivl %s", GPReg32Name(divisor)); m_formatter.oneByteOp(OP_GROUP3_Ev, divisor, GROUP3_OP_IDIV); } void divl_r(RegisterID divisor) { spew("div %s", GPReg32Name(divisor)); m_formatter.oneByteOp(OP_GROUP3_Ev, divisor, GROUP3_OP_DIV); } void prefix_lock() { spew("lock"); m_formatter.oneByteOp(PRE_LOCK); } void prefix_16_for_32() { m_formatter.prefix(PRE_OPERAND_SIZE); } void incl_m32(int32_t offset, RegisterID base) { spew("incl " MEM_ob, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_GROUP5_Ev, offset, base, GROUP5_OP_INC); } void decl_m32(int32_t offset, RegisterID base) { spew("decl " MEM_ob, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_GROUP5_Ev, offset, base, GROUP5_OP_DEC); } // Note that CMPXCHG performs comparison against REG = %al/%ax/%eax/%rax. // If %REG == [%base+offset], then %src -> [%base+offset]. // Otherwise, [%base+offset] -> %REG. // For the 8-bit operations src must also be an 8-bit register. void cmpxchgb(RegisterID src, int32_t offset, RegisterID base) { spew("cmpxchgb %s, " MEM_ob, GPReg8Name(src), ADDR_ob(offset, base)); m_formatter.twoByteOp8(OP2_CMPXCHG_GvEb, offset, base, src); } void cmpxchgb(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("cmpxchgb %s, " MEM_obs, GPReg8Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.twoByteOp8(OP2_CMPXCHG_GvEb, offset, base, index, scale, src); } void cmpxchgw(RegisterID src, int32_t offset, RegisterID base) { spew("cmpxchgw %s, " MEM_ob, GPReg16Name(src), ADDR_ob(offset, base)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.twoByteOp(OP2_CMPXCHG_GvEw, offset, base, src); } void cmpxchgw(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("cmpxchgw %s, " MEM_obs, GPReg16Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.twoByteOp(OP2_CMPXCHG_GvEw, offset, base, index, scale, src); } void cmpxchgl(RegisterID src, int32_t offset, RegisterID base) { spew("cmpxchgl %s, " MEM_ob, GPReg32Name(src), ADDR_ob(offset, base)); m_formatter.twoByteOp(OP2_CMPXCHG_GvEw, offset, base, src); } void cmpxchgl(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("cmpxchgl %s, " MEM_obs, GPReg32Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.twoByteOp(OP2_CMPXCHG_GvEw, offset, base, index, scale, src); } // Comparisons: void cmpl_rr(RegisterID rhs, RegisterID lhs) { spew("cmpl %s, %s", GPReg32Name(rhs), GPReg32Name(lhs)); m_formatter.oneByteOp(OP_CMP_GvEv, rhs, lhs); } void cmpl_rm(RegisterID rhs, int32_t offset, RegisterID base) { spew("cmpl %s, " MEM_ob, GPReg32Name(rhs), ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_CMP_EvGv, offset, base, rhs); } void cmpl_mr(int32_t offset, RegisterID base, RegisterID lhs) { spew("cmpl " MEM_ob ", %s", ADDR_ob(offset, base), GPReg32Name(lhs)); m_formatter.oneByteOp(OP_CMP_GvEv, offset, base, lhs); } void cmpl_mr(const void* address, RegisterID lhs) { spew("cmpl %p, %s", address, GPReg32Name(lhs)); m_formatter.oneByteOp(OP_CMP_GvEv, address, lhs); } void cmpl_ir(int32_t rhs, RegisterID lhs) { if (rhs == 0) { testl_rr(lhs, lhs); return; } spew("cmpl $0x%x, %s", rhs, GPReg32Name(lhs)); if (CAN_SIGN_EXTEND_8_32(rhs)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, lhs, GROUP1_OP_CMP); m_formatter.immediate8s(rhs); } else { if (lhs == rax) m_formatter.oneByteOp(OP_CMP_EAXIv); else m_formatter.oneByteOp(OP_GROUP1_EvIz, lhs, GROUP1_OP_CMP); m_formatter.immediate32(rhs); } } void cmpl_i32r(int32_t rhs, RegisterID lhs) { spew("cmpl $0x%04x, %s", rhs, GPReg32Name(lhs)); if (lhs == rax) m_formatter.oneByteOp(OP_CMP_EAXIv); else m_formatter.oneByteOp(OP_GROUP1_EvIz, lhs, GROUP1_OP_CMP); m_formatter.immediate32(rhs); } void cmpl_im(int32_t rhs, int32_t offset, RegisterID base) { spew("cmpl $0x%x, " MEM_ob, rhs, ADDR_ob(offset, base)); if (CAN_SIGN_EXTEND_8_32(rhs)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, offset, base, GROUP1_OP_CMP); m_formatter.immediate8s(rhs); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, GROUP1_OP_CMP); m_formatter.immediate32(rhs); } } void cmpb_im(int32_t rhs, int32_t offset, RegisterID base) { spew("cmpb $0x%x, " MEM_ob, rhs, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_GROUP1_EbIb, offset, base, GROUP1_OP_CMP); m_formatter.immediate8(rhs); } void cmpb_im(int32_t rhs, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("cmpb $0x%x, " MEM_obs, rhs, ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp(OP_GROUP1_EbIb, offset, base, index, scale, GROUP1_OP_CMP); m_formatter.immediate8(rhs); } void cmpl_im(int32_t rhs, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("cmpl $0x%x, " MEM_o32b, rhs, ADDR_o32b(offset, base)); if (CAN_SIGN_EXTEND_8_32(rhs)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, offset, base, index, scale, GROUP1_OP_CMP); m_formatter.immediate8s(rhs); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, index, scale, GROUP1_OP_CMP); m_formatter.immediate32(rhs); } } MOZ_MUST_USE JmpSrc cmpl_im_disp32(int32_t rhs, int32_t offset, RegisterID base) { spew("cmpl $0x%x, " MEM_o32b, rhs, ADDR_o32b(offset, base)); JmpSrc r; if (CAN_SIGN_EXTEND_8_32(rhs)) { m_formatter.oneByteOp_disp32(OP_GROUP1_EvIb, offset, base, GROUP1_OP_CMP); r = JmpSrc(m_formatter.size()); m_formatter.immediate8s(rhs); } else { m_formatter.oneByteOp_disp32(OP_GROUP1_EvIz, offset, base, GROUP1_OP_CMP); r = JmpSrc(m_formatter.size()); m_formatter.immediate32(rhs); } return r; } MOZ_MUST_USE JmpSrc cmpl_im_disp32(int32_t rhs, const void* addr) { spew("cmpl $0x%x, %p", rhs, addr); JmpSrc r; if (CAN_SIGN_EXTEND_8_32(rhs)) { m_formatter.oneByteOp_disp32(OP_GROUP1_EvIb, addr, GROUP1_OP_CMP); r = JmpSrc(m_formatter.size()); m_formatter.immediate8s(rhs); } else { m_formatter.oneByteOp_disp32(OP_GROUP1_EvIz, addr, GROUP1_OP_CMP); r = JmpSrc(m_formatter.size()); m_formatter.immediate32(rhs); } return r; } void cmpl_i32m(int32_t rhs, int32_t offset, RegisterID base) { spew("cmpl $0x%04x, " MEM_ob, rhs, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, GROUP1_OP_CMP); m_formatter.immediate32(rhs); } void cmpl_i32m(int32_t rhs, const void* addr) { spew("cmpl $0x%04x, %p", rhs, addr); m_formatter.oneByteOp(OP_GROUP1_EvIz, addr, GROUP1_OP_CMP); m_formatter.immediate32(rhs); } void cmpl_rm(RegisterID rhs, const void* addr) { spew("cmpl %s, %p", GPReg32Name(rhs), addr); m_formatter.oneByteOp(OP_CMP_EvGv, addr, rhs); } void cmpl_rm_disp32(RegisterID rhs, const void* addr) { spew("cmpl %s, %p", GPReg32Name(rhs), addr); m_formatter.oneByteOp_disp32(OP_CMP_EvGv, addr, rhs); } void cmpl_im(int32_t rhs, const void* addr) { spew("cmpl $0x%x, %p", rhs, addr); if (CAN_SIGN_EXTEND_8_32(rhs)) { m_formatter.oneByteOp(OP_GROUP1_EvIb, addr, GROUP1_OP_CMP); m_formatter.immediate8s(rhs); } else { m_formatter.oneByteOp(OP_GROUP1_EvIz, addr, GROUP1_OP_CMP); m_formatter.immediate32(rhs); } } void cmpw_rr(RegisterID rhs, RegisterID lhs) { spew("cmpw %s, %s", GPReg16Name(rhs), GPReg16Name(lhs)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_CMP_GvEv, rhs, lhs); } void cmpw_rm(RegisterID rhs, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("cmpw %s, " MEM_obs, GPReg16Name(rhs), ADDR_obs(offset, base, index, scale)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_CMP_EvGv, offset, base, index, scale, rhs); } void cmpw_im(int32_t imm, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("cmpw $%d, " MEM_obs, imm, ADDR_obs(offset, base, index, scale)); if (CAN_SIGN_EXTEND_8_32(imm)) { m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_GROUP1_EvIb, offset, base, index, scale, GROUP1_OP_CMP); m_formatter.immediate8s(imm); } else { m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_GROUP1_EvIz, offset, base, index, scale, GROUP1_OP_CMP); m_formatter.immediate16(imm); } } void testl_rr(RegisterID rhs, RegisterID lhs) { spew("testl %s, %s", GPReg32Name(rhs), GPReg32Name(lhs)); m_formatter.oneByteOp(OP_TEST_EvGv, lhs, rhs); } void testb_rr(RegisterID rhs, RegisterID lhs) { spew("testb %s, %s", GPReg8Name(rhs), GPReg8Name(lhs)); m_formatter.oneByteOp(OP_TEST_EbGb, lhs, rhs); } void testl_ir(int32_t rhs, RegisterID lhs) { // If the mask fits in an 8-bit immediate, we can use testb with an // 8-bit subreg. if (CAN_ZERO_EXTEND_8_32(rhs) && HasSubregL(lhs)) { testb_ir(rhs, lhs); return; } // If the mask is a subset of 0xff00, we can use testb with an h reg, if // one happens to be available. if (CAN_ZERO_EXTEND_8H_32(rhs) && HasSubregH(lhs)) { testb_ir_norex(rhs >> 8, GetSubregH(lhs)); return; } spew("testl $0x%x, %s", rhs, GPReg32Name(lhs)); if (lhs == rax) m_formatter.oneByteOp(OP_TEST_EAXIv); else m_formatter.oneByteOp(OP_GROUP3_EvIz, lhs, GROUP3_OP_TEST); m_formatter.immediate32(rhs); } void testl_i32m(int32_t rhs, int32_t offset, RegisterID base) { spew("testl $0x%x, " MEM_ob, rhs, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_GROUP3_EvIz, offset, base, GROUP3_OP_TEST); m_formatter.immediate32(rhs); } void testl_i32m(int32_t rhs, const void* addr) { spew("testl $0x%x, %p", rhs, addr); m_formatter.oneByteOp(OP_GROUP3_EvIz, addr, GROUP3_OP_TEST); m_formatter.immediate32(rhs); } void testb_im(int32_t rhs, int32_t offset, RegisterID base) { spew("testb $0x%x, " MEM_ob, rhs, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_GROUP3_EbIb, offset, base, GROUP3_OP_TEST); m_formatter.immediate8(rhs); } void testb_im(int32_t rhs, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("testb $0x%x, " MEM_obs, rhs, ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp(OP_GROUP3_EbIb, offset, base, index, scale, GROUP3_OP_TEST); m_formatter.immediate8(rhs); } void testl_i32m(int32_t rhs, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("testl $0x%4x, " MEM_obs, rhs, ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp(OP_GROUP3_EvIz, offset, base, index, scale, GROUP3_OP_TEST); m_formatter.immediate32(rhs); } void testw_rr(RegisterID rhs, RegisterID lhs) { spew("testw %s, %s", GPReg16Name(rhs), GPReg16Name(lhs)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_TEST_EvGv, lhs, rhs); } void testb_ir(int32_t rhs, RegisterID lhs) { spew("testb $0x%x, %s", rhs, GPReg8Name(lhs)); if (lhs == rax) m_formatter.oneByteOp8(OP_TEST_EAXIb); else m_formatter.oneByteOp8(OP_GROUP3_EbIb, lhs, GROUP3_OP_TEST); m_formatter.immediate8(rhs); } // Like testb_ir, but never emits a REX prefix. This may be used to // reference ah..bh. void testb_ir_norex(int32_t rhs, HRegisterID lhs) { spew("testb $0x%x, %s", rhs, HRegName8(lhs)); m_formatter.oneByteOp8_norex(OP_GROUP3_EbIb, lhs, GROUP3_OP_TEST); m_formatter.immediate8(rhs); } void setCC_r(Condition cond, RegisterID lhs) { spew("set%s %s", CCName(cond), GPReg8Name(lhs)); m_formatter.twoByteOp8(setccOpcode(cond), lhs, (GroupOpcodeID)0); } void sete_r(RegisterID dst) { setCC_r(ConditionE, dst); } void setz_r(RegisterID dst) { sete_r(dst); } void setne_r(RegisterID dst) { setCC_r(ConditionNE, dst); } void setnz_r(RegisterID dst) { setne_r(dst); } // Various move ops: void cdq() { spew("cdq "); m_formatter.oneByteOp(OP_CDQ); } void xchgb_rm(RegisterID src, int32_t offset, RegisterID base) { spew("xchgb %s, " MEM_ob, GPReg8Name(src), ADDR_ob(offset, base)); m_formatter.oneByteOp8(OP_XCHG_GbEb, offset, base, src); } void xchgb_rm(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("xchgb %s, " MEM_obs, GPReg8Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp8(OP_XCHG_GbEb, offset, base, index, scale, src); } void xchgw_rm(RegisterID src, int32_t offset, RegisterID base) { spew("xchgw %s, " MEM_ob, GPReg16Name(src), ADDR_ob(offset, base)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_XCHG_GvEv, offset, base, src); } void xchgw_rm(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("xchgw %s, " MEM_obs, GPReg16Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_XCHG_GvEv, offset, base, index, scale, src); } void xchgl_rr(RegisterID src, RegisterID dst) { spew("xchgl %s, %s", GPReg32Name(src), GPReg32Name(dst)); m_formatter.oneByteOp(OP_XCHG_GvEv, src, dst); } void xchgl_rm(RegisterID src, int32_t offset, RegisterID base) { spew("xchgl %s, " MEM_ob, GPReg32Name(src), ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_XCHG_GvEv, offset, base, src); } void xchgl_rm(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("xchgl %s, " MEM_obs, GPReg32Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp(OP_XCHG_GvEv, offset, base, index, scale, src); } void cmovz_rr(RegisterID src, RegisterID dst) { spew("cmovz %s, %s", GPReg16Name(src), GPReg32Name(dst)); m_formatter.twoByteOp(OP2_CMOVZ_GvEv, src, dst); } void cmovz_mr(int32_t offset, RegisterID base, RegisterID dst) { spew("cmovz " MEM_ob ", %s", ADDR_ob(offset, base), GPReg32Name(dst)); m_formatter.twoByteOp(OP2_CMOVZ_GvEv, offset, base, dst); } void cmovz_mr(int32_t offset, RegisterID base, RegisterID index, int scale, RegisterID dst) { spew("cmovz " MEM_obs ", %s", ADDR_obs(offset, base, index, scale), GPReg32Name(dst)); m_formatter.twoByteOp(OP2_CMOVZ_GvEv, offset, base, index, scale, dst); } void movl_rr(RegisterID src, RegisterID dst) { spew("movl %s, %s", GPReg32Name(src), GPReg32Name(dst)); m_formatter.oneByteOp(OP_MOV_GvEv, src, dst); } void movw_rm(RegisterID src, int32_t offset, RegisterID base) { spew("movw %s, " MEM_ob, GPReg16Name(src), ADDR_ob(offset, base)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_MOV_EvGv, offset, base, src); } void movw_rm_disp32(RegisterID src, int32_t offset, RegisterID base) { spew("movw %s, " MEM_o32b, GPReg16Name(src), ADDR_o32b(offset, base)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp_disp32(OP_MOV_EvGv, offset, base, src); } void movw_rm(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("movw %s, " MEM_obs, GPReg16Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_MOV_EvGv, offset, base, index, scale, src); } void movw_rm(RegisterID src, const void* addr) { spew("movw %s, %p", GPReg16Name(src), addr); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp_disp32(OP_MOV_EvGv, addr, src); } void movl_rm(RegisterID src, int32_t offset, RegisterID base) { spew("movl %s, " MEM_ob, GPReg32Name(src), ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_MOV_EvGv, offset, base, src); } void movl_rm_disp32(RegisterID src, int32_t offset, RegisterID base) { spew("movl %s, " MEM_o32b, GPReg32Name(src), ADDR_o32b(offset, base)); m_formatter.oneByteOp_disp32(OP_MOV_EvGv, offset, base, src); } void movl_rm(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("movl %s, " MEM_obs, GPReg32Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp(OP_MOV_EvGv, offset, base, index, scale, src); } void movl_mEAX(const void* addr) { #ifdef JS_CODEGEN_X64 if (IsAddressImmediate(addr)) { movl_mr(addr, rax); return; } #endif #ifdef JS_CODEGEN_X64 spew("movabs %p, %%eax", addr); #else spew("movl %p, %%eax", addr); #endif m_formatter.oneByteOp(OP_MOV_EAXOv); #ifdef JS_CODEGEN_X64 m_formatter.immediate64(reinterpret_cast<int64_t>(addr)); #else m_formatter.immediate32(reinterpret_cast<int32_t>(addr)); #endif } void movl_mr(int32_t offset, RegisterID base, RegisterID dst) { spew("movl " MEM_ob ", %s", ADDR_ob(offset, base), GPReg32Name(dst)); m_formatter.oneByteOp(OP_MOV_GvEv, offset, base, dst); } void movl_mr_disp32(int32_t offset, RegisterID base, RegisterID dst) { spew("movl " MEM_o32b ", %s", ADDR_o32b(offset, base), GPReg32Name(dst)); m_formatter.oneByteOp_disp32(OP_MOV_GvEv, offset, base, dst); } void movl_mr(const void* base, RegisterID index, int scale, RegisterID dst) { int32_t disp = AddressImmediate(base); spew("movl " MEM_os ", %s", ADDR_os(disp, index, scale), GPReg32Name(dst)); m_formatter.oneByteOp_disp32(OP_MOV_GvEv, disp, index, scale, dst); } void movl_mr(int32_t offset, RegisterID base, RegisterID index, int scale, RegisterID dst) { spew("movl " MEM_obs ", %s", ADDR_obs(offset, base, index, scale), GPReg32Name(dst)); m_formatter.oneByteOp(OP_MOV_GvEv, offset, base, index, scale, dst); } void movl_mr(const void* addr, RegisterID dst) { if (dst == rax #ifdef JS_CODEGEN_X64 && !IsAddressImmediate(addr) #endif ) { movl_mEAX(addr); return; } spew("movl %p, %s", addr, GPReg32Name(dst)); m_formatter.oneByteOp(OP_MOV_GvEv, addr, dst); } void movl_i32r(int32_t imm, RegisterID dst) { spew("movl $0x%x, %s", imm, GPReg32Name(dst)); m_formatter.oneByteOp(OP_MOV_EAXIv, dst); m_formatter.immediate32(imm); } void movb_ir(int32_t imm, RegisterID reg) { spew("movb $0x%x, %s", imm, GPReg8Name(reg)); m_formatter.oneByteOp8(OP_MOV_EbIb, reg); m_formatter.immediate8(imm); } void movb_im(int32_t imm, int32_t offset, RegisterID base) { spew("movb $0x%x, " MEM_ob, imm, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_GROUP11_EvIb, offset, base, GROUP11_MOV); m_formatter.immediate8(imm); } void movb_im(int32_t imm, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("movb $0x%x, " MEM_obs, imm, ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp(OP_GROUP11_EvIb, offset, base, index, scale, GROUP11_MOV); m_formatter.immediate8(imm); } void movb_im(int32_t imm, const void* addr) { spew("movb $%d, %p", imm, addr); m_formatter.oneByteOp_disp32(OP_GROUP11_EvIb, addr, GROUP11_MOV); m_formatter.immediate8(imm); } void movw_im(int32_t imm, int32_t offset, RegisterID base) { spew("movw $0x%x, " MEM_ob, imm, ADDR_ob(offset, base)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_GROUP11_EvIz, offset, base, GROUP11_MOV); m_formatter.immediate16(imm); } void movw_im(int32_t imm, const void* addr) { spew("movw $%d, %p", imm, addr); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp_disp32(OP_GROUP11_EvIz, addr, GROUP11_MOV); m_formatter.immediate16(imm); } void movl_i32m(int32_t imm, int32_t offset, RegisterID base) { spew("movl $0x%x, " MEM_ob, imm, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_GROUP11_EvIz, offset, base, GROUP11_MOV); m_formatter.immediate32(imm); } void movw_im(int32_t imm, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("movw $0x%x, " MEM_obs, imm, ADDR_obs(offset, base, index, scale)); m_formatter.prefix(PRE_OPERAND_SIZE); m_formatter.oneByteOp(OP_GROUP11_EvIz, offset, base, index, scale, GROUP11_MOV); m_formatter.immediate16(imm); } void movl_i32m(int32_t imm, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("movl $0x%x, " MEM_obs, imm, ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp(OP_GROUP11_EvIz, offset, base, index, scale, GROUP11_MOV); m_formatter.immediate32(imm); } void movl_EAXm(const void* addr) { #ifdef JS_CODEGEN_X64 if (IsAddressImmediate(addr)) { movl_rm(rax, addr); return; } #endif spew("movl %%eax, %p", addr); m_formatter.oneByteOp(OP_MOV_OvEAX); #ifdef JS_CODEGEN_X64 m_formatter.immediate64(reinterpret_cast<int64_t>(addr)); #else m_formatter.immediate32(reinterpret_cast<int32_t>(addr)); #endif } void vmovq_rm(XMMRegisterID src, int32_t offset, RegisterID base) { // vmovq_rm can be encoded either as a true vmovq or as a vmovd with a // REX prefix modifying it to be 64-bit. We choose the vmovq encoding // because it's smaller (when it doesn't need a REX prefix for other // reasons) and because it works on 32-bit x86 too. twoByteOpSimd("vmovq", VEX_PD, OP2_MOVQ_WdVd, offset, base, invalid_xmm, src); } void vmovq_rm_disp32(XMMRegisterID src, int32_t offset, RegisterID base) { twoByteOpSimd_disp32("vmovq", VEX_PD, OP2_MOVQ_WdVd, offset, base, invalid_xmm, src); } void vmovq_rm(XMMRegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { twoByteOpSimd("vmovq", VEX_PD, OP2_MOVQ_WdVd, offset, base, index, scale, invalid_xmm, src); } void vmovq_rm(XMMRegisterID src, const void* addr) { twoByteOpSimd("vmovq", VEX_PD, OP2_MOVQ_WdVd, addr, invalid_xmm, src); } void vmovq_mr(int32_t offset, RegisterID base, XMMRegisterID dst) { // vmovq_mr can be encoded either as a true vmovq or as a vmovd with a // REX prefix modifying it to be 64-bit. We choose the vmovq encoding // because it's smaller (when it doesn't need a REX prefix for other // reasons) and because it works on 32-bit x86 too. twoByteOpSimd("vmovq", VEX_SS, OP2_MOVQ_VdWd, offset, base, invalid_xmm, dst); } void vmovq_mr_disp32(int32_t offset, RegisterID base, XMMRegisterID dst) { twoByteOpSimd_disp32("vmovq", VEX_SS, OP2_MOVQ_VdWd, offset, base, invalid_xmm, dst); } void vmovq_mr(int32_t offset, RegisterID base, RegisterID index, int32_t scale, XMMRegisterID dst) { twoByteOpSimd("vmovq", VEX_SS, OP2_MOVQ_VdWd, offset, base, index, scale, invalid_xmm, dst); } void vmovq_mr(const void* addr, XMMRegisterID dst) { twoByteOpSimd("vmovq", VEX_SS, OP2_MOVQ_VdWd, addr, invalid_xmm, dst); } void movl_rm(RegisterID src, const void* addr) { if (src == rax #ifdef JS_CODEGEN_X64 && !IsAddressImmediate(addr) #endif ) { movl_EAXm(addr); return; } spew("movl %s, %p", GPReg32Name(src), addr); m_formatter.oneByteOp(OP_MOV_EvGv, addr, src); } void movl_i32m(int32_t imm, const void* addr) { spew("movl $%d, %p", imm, addr); m_formatter.oneByteOp(OP_GROUP11_EvIz, addr, GROUP11_MOV); m_formatter.immediate32(imm); } void movb_rm(RegisterID src, int32_t offset, RegisterID base) { spew("movb %s, " MEM_ob, GPReg8Name(src), ADDR_ob(offset, base)); m_formatter.oneByteOp8(OP_MOV_EbGv, offset, base, src); } void movb_rm_disp32(RegisterID src, int32_t offset, RegisterID base) { spew("movb %s, " MEM_o32b, GPReg8Name(src), ADDR_o32b(offset, base)); m_formatter.oneByteOp8_disp32(OP_MOV_EbGv, offset, base, src); } void movb_rm(RegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { spew("movb %s, " MEM_obs, GPReg8Name(src), ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp8(OP_MOV_EbGv, offset, base, index, scale, src); } void movb_rm(RegisterID src, const void* addr) { spew("movb %s, %p", GPReg8Name(src), addr); m_formatter.oneByteOp8(OP_MOV_EbGv, addr, src); } void movb_mr(int32_t offset, RegisterID base, RegisterID dst) { spew("movb " MEM_ob ", %s", ADDR_ob(offset, base), GPReg8Name(dst)); m_formatter.oneByteOp(OP_MOV_GvEb, offset, base, dst); } void movb_mr(int32_t offset, RegisterID base, RegisterID index, int scale, RegisterID dst) { spew("movb " MEM_obs ", %s", ADDR_obs(offset, base, index, scale), GPReg8Name(dst)); m_formatter.oneByteOp(OP_MOV_GvEb, offset, base, index, scale, dst); } void movzbl_mr(int32_t offset, RegisterID base, RegisterID dst) { spew("movzbl " MEM_ob ", %s", ADDR_ob(offset, base), GPReg32Name(dst)); m_formatter.twoByteOp(OP2_MOVZX_GvEb, offset, base, dst); } void movzbl_mr_disp32(int32_t offset, RegisterID base, RegisterID dst) { spew("movzbl " MEM_o32b ", %s", ADDR_o32b(offset, base), GPReg32Name(dst)); m_formatter.twoByteOp_disp32(OP2_MOVZX_GvEb, offset, base, dst); } void movzbl_mr(int32_t offset, RegisterID base, RegisterID index, int scale, RegisterID dst) { spew("movzbl " MEM_obs ", %s", ADDR_obs(offset, base, index, scale), GPReg32Name(dst)); m_formatter.twoByteOp(OP2_MOVZX_GvEb, offset, base, index, scale, dst); } void movzbl_mr(const void* addr, RegisterID dst) { spew("movzbl %p, %s", addr, GPReg32Name(dst)); m_formatter.twoByteOp(OP2_MOVZX_GvEb, addr, dst); } void movsbl_rr(RegisterID src, RegisterID dst) { spew("movsbl %s, %s", GPReg8Name(src), GPReg32Name(dst)); m_formatter.twoByteOp8_movx(OP2_MOVSX_GvEb, src, dst); } void movsbl_mr(int32_t offset, RegisterID base, RegisterID dst) { spew("movsbl " MEM_ob ", %s", ADDR_ob(offset, base), GPReg32Name(dst)); m_formatter.twoByteOp(OP2_MOVSX_GvEb, offset, base, dst); } void movsbl_mr_disp32(int32_t offset, RegisterID base, RegisterID dst) { spew("movsbl " MEM_o32b ", %s", ADDR_o32b(offset, base), GPReg32Name(dst)); m_formatter.twoByteOp_disp32(OP2_MOVSX_GvEb, offset, base, dst); } void movsbl_mr(int32_t offset, RegisterID base, RegisterID index, int scale, RegisterID dst) { spew("movsbl " MEM_obs ", %s", ADDR_obs(offset, base, index, scale), GPReg32Name(dst)); m_formatter.twoByteOp(OP2_MOVSX_GvEb, offset, base, index, scale, dst); } void movsbl_mr(const void* addr, RegisterID dst) { spew("movsbl %p, %s", addr, GPReg32Name(dst)); m_formatter.twoByteOp(OP2_MOVSX_GvEb, addr, dst); } void movzwl_rr(RegisterID src, RegisterID dst) { spew("movzwl %s, %s", GPReg16Name(src), GPReg32Name(dst)); m_formatter.twoByteOp(OP2_MOVZX_GvEw, src, dst); } void movzwl_mr(int32_t offset, RegisterID base, RegisterID dst) { spew("movzwl " MEM_ob ", %s", ADDR_ob(offset, base), GPReg32Name(dst)); m_formatter.twoByteOp(OP2_MOVZX_GvEw, offset, base, dst); } void movzwl_mr_disp32(int32_t offset, RegisterID base, RegisterID dst) { spew("movzwl " MEM_o32b ", %s", ADDR_o32b(offset, base), GPReg32Name(dst)); m_formatter.twoByteOp_disp32(OP2_MOVZX_GvEw, offset, base, dst); } void movzwl_mr(int32_t offset, RegisterID base, RegisterID index, int scale, RegisterID dst) { spew("movzwl " MEM_obs ", %s", ADDR_obs(offset, base, index, scale), GPReg32Name(dst)); m_formatter.twoByteOp(OP2_MOVZX_GvEw, offset, base, index, scale, dst); } void movzwl_mr(const void* addr, RegisterID dst) { spew("movzwl %p, %s", addr, GPReg32Name(dst)); m_formatter.twoByteOp(OP2_MOVZX_GvEw, addr, dst); } void movswl_rr(RegisterID src, RegisterID dst) { spew("movswl %s, %s", GPReg16Name(src), GPReg32Name(dst)); m_formatter.twoByteOp(OP2_MOVSX_GvEw, src, dst); } void movswl_mr(int32_t offset, RegisterID base, RegisterID dst) { spew("movswl " MEM_ob ", %s", ADDR_ob(offset, base), GPReg32Name(dst)); m_formatter.twoByteOp(OP2_MOVSX_GvEw, offset, base, dst); } void movswl_mr_disp32(int32_t offset, RegisterID base, RegisterID dst) { spew("movswl " MEM_o32b ", %s", ADDR_o32b(offset, base), GPReg32Name(dst)); m_formatter.twoByteOp_disp32(OP2_MOVSX_GvEw, offset, base, dst); } void movswl_mr(int32_t offset, RegisterID base, RegisterID index, int scale, RegisterID dst) { spew("movswl " MEM_obs ", %s", ADDR_obs(offset, base, index, scale), GPReg32Name(dst)); m_formatter.twoByteOp(OP2_MOVSX_GvEw, offset, base, index, scale, dst); } void movswl_mr(const void* addr, RegisterID dst) { spew("movswl %p, %s", addr, GPReg32Name(dst)); m_formatter.twoByteOp(OP2_MOVSX_GvEw, addr, dst); } void movzbl_rr(RegisterID src, RegisterID dst) { spew("movzbl %s, %s", GPReg8Name(src), GPReg32Name(dst)); m_formatter.twoByteOp8_movx(OP2_MOVZX_GvEb, src, dst); } void leal_mr(int32_t offset, RegisterID base, RegisterID index, int scale, RegisterID dst) { spew("leal " MEM_obs ", %s", ADDR_obs(offset, base, index, scale), GPReg32Name(dst)); m_formatter.oneByteOp(OP_LEA, offset, base, index, scale, dst); } void leal_mr(int32_t offset, RegisterID base, RegisterID dst) { spew("leal " MEM_ob ", %s", ADDR_ob(offset, base), GPReg32Name(dst)); m_formatter.oneByteOp(OP_LEA, offset, base, dst); } // Flow control: MOZ_MUST_USE JmpSrc call() { m_formatter.oneByteOp(OP_CALL_rel32); JmpSrc r = m_formatter.immediateRel32(); spew("call .Lfrom%d", r.offset()); return r; } void call_r(RegisterID dst) { m_formatter.oneByteOp(OP_GROUP5_Ev, dst, GROUP5_OP_CALLN); spew("call *%s", GPRegName(dst)); } void call_m(int32_t offset, RegisterID base) { spew("call *" MEM_ob, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_GROUP5_Ev, offset, base, GROUP5_OP_CALLN); } // Comparison of EAX against a 32-bit immediate. The immediate is patched // in as if it were a jump target. The intention is to toggle the first // byte of the instruction between a CMP and a JMP to produce a pseudo-NOP. MOZ_MUST_USE JmpSrc cmp_eax() { m_formatter.oneByteOp(OP_CMP_EAXIv); JmpSrc r = m_formatter.immediateRel32(); spew("cmpl %%eax, .Lfrom%d", r.offset()); return r; } void jmp_i(JmpDst dst) { int32_t diff = dst.offset() - m_formatter.size(); spew("jmp .Llabel%d", dst.offset()); // The jump immediate is an offset from the end of the jump instruction. // A jump instruction is either 1 byte opcode and 1 byte offset, or 1 // byte opcode and 4 bytes offset. if (CAN_SIGN_EXTEND_8_32(diff - 2)) { m_formatter.oneByteOp(OP_JMP_rel8); m_formatter.immediate8s(diff - 2); } else { m_formatter.oneByteOp(OP_JMP_rel32); m_formatter.immediate32(diff - 5); } } MOZ_MUST_USE JmpSrc jmp() { m_formatter.oneByteOp(OP_JMP_rel32); JmpSrc r = m_formatter.immediateRel32(); spew("jmp .Lfrom%d", r.offset()); return r; } void jmp_r(RegisterID dst) { spew("jmp *%s", GPRegName(dst)); m_formatter.oneByteOp(OP_GROUP5_Ev, dst, GROUP5_OP_JMPN); } void jmp_m(int32_t offset, RegisterID base) { spew("jmp *" MEM_ob, ADDR_ob(offset, base)); m_formatter.oneByteOp(OP_GROUP5_Ev, offset, base, GROUP5_OP_JMPN); } void jmp_m(int32_t offset, RegisterID base, RegisterID index, int scale) { spew("jmp *" MEM_obs, ADDR_obs(offset, base, index, scale)); m_formatter.oneByteOp(OP_GROUP5_Ev, offset, base, index, scale, GROUP5_OP_JMPN); } void jCC_i(Condition cond, JmpDst dst) { int32_t diff = dst.offset() - m_formatter.size(); spew("j%s .Llabel%d", CCName(cond), dst.offset()); // The jump immediate is an offset from the end of the jump instruction. // A conditional jump instruction is either 1 byte opcode and 1 byte // offset, or 2 bytes opcode and 4 bytes offset. if (CAN_SIGN_EXTEND_8_32(diff - 2)) { m_formatter.oneByteOp(jccRel8(cond)); m_formatter.immediate8s(diff - 2); } else { m_formatter.twoByteOp(jccRel32(cond)); m_formatter.immediate32(diff - 6); } } MOZ_MUST_USE JmpSrc jCC(Condition cond) { m_formatter.twoByteOp(jccRel32(cond)); JmpSrc r = m_formatter.immediateRel32(); spew("j%s .Lfrom%d", CCName(cond), r.offset()); return r; } // SSE operations: void vpcmpeqb_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpcmpeqb", VEX_PD, OP2_PCMPEQB_VdqWdq, src1, src0, dst); } void vpcmpeqb_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpcmpeqb", VEX_PD, OP2_PCMPEQB_VdqWdq, offset, base, src0, dst); } void vpcmpeqb_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpcmpeqb", VEX_PD, OP2_PCMPEQB_VdqWdq, address, src0, dst); } void vpcmpgtb_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpcmpgtb", VEX_PD, OP2_PCMPGTB_VdqWdq, src1, src0, dst); } void vpcmpgtb_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpcmpgtb", VEX_PD, OP2_PCMPGTB_VdqWdq, offset, base, src0, dst); } void vpcmpgtb_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpcmpgtb", VEX_PD, OP2_PCMPGTB_VdqWdq, address, src0, dst); } void vpcmpeqw_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpcmpeqw", VEX_PD, OP2_PCMPEQW_VdqWdq, src1, src0, dst); } void vpcmpeqw_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpcmpeqw", VEX_PD, OP2_PCMPEQW_VdqWdq, offset, base, src0, dst); } void vpcmpeqw_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpcmpeqw", VEX_PD, OP2_PCMPEQW_VdqWdq, address, src0, dst); } void vpcmpgtw_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpcmpgtw", VEX_PD, OP2_PCMPGTW_VdqWdq, src1, src0, dst); } void vpcmpgtw_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpcmpgtw", VEX_PD, OP2_PCMPGTW_VdqWdq, offset, base, src0, dst); } void vpcmpgtw_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpcmpgtw", VEX_PD, OP2_PCMPGTW_VdqWdq, address, src0, dst); } void vpcmpeqd_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpcmpeqd", VEX_PD, OP2_PCMPEQD_VdqWdq, src1, src0, dst); } void vpcmpeqd_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpcmpeqd", VEX_PD, OP2_PCMPEQD_VdqWdq, offset, base, src0, dst); } void vpcmpeqd_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpcmpeqd", VEX_PD, OP2_PCMPEQD_VdqWdq, address, src0, dst); } void vpcmpgtd_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpcmpgtd", VEX_PD, OP2_PCMPGTD_VdqWdq, src1, src0, dst); } void vpcmpgtd_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpcmpgtd", VEX_PD, OP2_PCMPGTD_VdqWdq, offset, base, src0, dst); } void vpcmpgtd_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpcmpgtd", VEX_PD, OP2_PCMPGTD_VdqWdq, address, src0, dst); } void vcmpps_rr(uint8_t order, XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpImmSimd("vcmpps", VEX_PS, OP2_CMPPS_VpsWps, order, src1, src0, dst); } void vcmpps_mr(uint8_t order, int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpImmSimd("vcmpps", VEX_PS, OP2_CMPPS_VpsWps, order, offset, base, src0, dst); } void vcmpps_mr(uint8_t order, const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpImmSimd("vcmpps", VEX_PS, OP2_CMPPS_VpsWps, order, address, src0, dst); } void vrcpps_rr(XMMRegisterID src, XMMRegisterID dst) { twoByteOpSimd("vrcpps", VEX_PS, OP2_RCPPS_VpsWps, src, invalid_xmm, dst); } void vrcpps_mr(int32_t offset, RegisterID base, XMMRegisterID dst) { twoByteOpSimd("vrcpps", VEX_PS, OP2_RCPPS_VpsWps, offset, base, invalid_xmm, dst); } void vrcpps_mr(const void* address, XMMRegisterID dst) { twoByteOpSimd("vrcpps", VEX_PS, OP2_RCPPS_VpsWps, address, invalid_xmm, dst); } void vrsqrtps_rr(XMMRegisterID src, XMMRegisterID dst) { twoByteOpSimd("vrsqrtps", VEX_PS, OP2_RSQRTPS_VpsWps, src, invalid_xmm, dst); } void vrsqrtps_mr(int32_t offset, RegisterID base, XMMRegisterID dst) { twoByteOpSimd("vrsqrtps", VEX_PS, OP2_RSQRTPS_VpsWps, offset, base, invalid_xmm, dst); } void vrsqrtps_mr(const void* address, XMMRegisterID dst) { twoByteOpSimd("vrsqrtps", VEX_PS, OP2_RSQRTPS_VpsWps, address, invalid_xmm, dst); } void vsqrtps_rr(XMMRegisterID src, XMMRegisterID dst) { twoByteOpSimd("vsqrtps", VEX_PS, OP2_SQRTPS_VpsWps, src, invalid_xmm, dst); } void vsqrtps_mr(int32_t offset, RegisterID base, XMMRegisterID dst) { twoByteOpSimd("vsqrtps", VEX_PS, OP2_SQRTPS_VpsWps, offset, base, invalid_xmm, dst); } void vsqrtps_mr(const void* address, XMMRegisterID dst) { twoByteOpSimd("vsqrtps", VEX_PS, OP2_SQRTPS_VpsWps, address, invalid_xmm, dst); } void vaddsd_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vaddsd", VEX_SD, OP2_ADDSD_VsdWsd, src1, src0, dst); } void vaddss_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vaddss", VEX_SS, OP2_ADDSD_VsdWsd, src1, src0, dst); } void vaddsd_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vaddsd", VEX_SD, OP2_ADDSD_VsdWsd, offset, base, src0, dst); } void vaddss_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vaddss", VEX_SS, OP2_ADDSD_VsdWsd, offset, base, src0, dst); } void vaddsd_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vaddsd", VEX_SD, OP2_ADDSD_VsdWsd, address, src0, dst); } void vaddss_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vaddss", VEX_SS, OP2_ADDSD_VsdWsd, address, src0, dst); } void vcvtss2sd_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vcvtss2sd", VEX_SS, OP2_CVTSS2SD_VsdEd, src1, src0, dst); } void vcvtsd2ss_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vcvtsd2ss", VEX_SD, OP2_CVTSD2SS_VsdEd, src1, src0, dst); } void vcvtsi2ss_rr(RegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpInt32Simd("vcvtsi2ss", VEX_SS, OP2_CVTSI2SD_VsdEd, src1, src0, dst); } void vcvtsi2sd_rr(RegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpInt32Simd("vcvtsi2sd", VEX_SD, OP2_CVTSI2SD_VsdEd, src1, src0, dst); } void vcvttps2dq_rr(XMMRegisterID src, XMMRegisterID dst) { twoByteOpSimd("vcvttps2dq", VEX_SS, OP2_CVTTPS2DQ_VdqWps, src, invalid_xmm, dst); } void vcvtdq2ps_rr(XMMRegisterID src, XMMRegisterID dst) { twoByteOpSimd("vcvtdq2ps", VEX_PS, OP2_CVTDQ2PS_VpsWdq, src, invalid_xmm, dst); } void vcvtsi2sd_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vcvtsi2sd", VEX_SD, OP2_CVTSI2SD_VsdEd, offset, base, src0, dst); } void vcvtsi2sd_mr(int32_t offset, RegisterID base, RegisterID index, int scale, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vcvtsi2sd", VEX_SD, OP2_CVTSI2SD_VsdEd, offset, base, index, scale, src0, dst); } void vcvtsi2ss_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vcvtsi2ss", VEX_SS, OP2_CVTSI2SD_VsdEd, offset, base, src0, dst); } void vcvtsi2ss_mr(int32_t offset, RegisterID base, RegisterID index, int scale, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vcvtsi2ss", VEX_SS, OP2_CVTSI2SD_VsdEd, offset, base, index, scale, src0, dst); } void vcvttsd2si_rr(XMMRegisterID src, RegisterID dst) { twoByteOpSimdInt32("vcvttsd2si", VEX_SD, OP2_CVTTSD2SI_GdWsd, src, dst); } void vcvttss2si_rr(XMMRegisterID src, RegisterID dst) { twoByteOpSimdInt32("vcvttss2si", VEX_SS, OP2_CVTTSD2SI_GdWsd, src, dst); } void vunpcklps_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vunpcklps", VEX_PS, OP2_UNPCKLPS_VsdWsd, src1, src0, dst); } void vunpcklps_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vunpcklps", VEX_PS, OP2_UNPCKLPS_VsdWsd, offset, base, src0, dst); } void vunpcklps_mr(const void* addr, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vunpcklps", VEX_PS, OP2_UNPCKLPS_VsdWsd, addr, src0, dst); } void vunpckhps_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vunpckhps", VEX_PS, OP2_UNPCKHPS_VsdWsd, src1, src0, dst); } void vunpckhps_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vunpckhps", VEX_PS, OP2_UNPCKHPS_VsdWsd, offset, base, src0, dst); } void vunpckhps_mr(const void* addr, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vunpckhps", VEX_PS, OP2_UNPCKHPS_VsdWsd, addr, src0, dst); } void vpand_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpand", VEX_PD, OP2_PANDDQ_VdqWdq, src1, src0, dst); } void vpand_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpand", VEX_PD, OP2_PANDDQ_VdqWdq, offset, base, src0, dst); } void vpand_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpand", VEX_PD, OP2_PANDDQ_VdqWdq, address, src0, dst); } void vpor_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpor", VEX_PD, OP2_PORDQ_VdqWdq, src1, src0, dst); } void vpor_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpor", VEX_PD, OP2_PORDQ_VdqWdq, offset, base, src0, dst); } void vpor_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpor", VEX_PD, OP2_PORDQ_VdqWdq, address, src0, dst); } void vpxor_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpxor", VEX_PD, OP2_PXORDQ_VdqWdq, src1, src0, dst); } void vpxor_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpxor", VEX_PD, OP2_PXORDQ_VdqWdq, offset, base, src0, dst); } void vpxor_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpxor", VEX_PD, OP2_PXORDQ_VdqWdq, address, src0, dst); } void vpandn_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpandn", VEX_PD, OP2_PANDNDQ_VdqWdq, src1, src0, dst); } void vpandn_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpandn", VEX_PD, OP2_PANDNDQ_VdqWdq, offset, base, src0, dst); } void vpandn_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpandn", VEX_PD, OP2_PANDNDQ_VdqWdq, address, src0, dst); } void vpshufd_irr(uint32_t mask, XMMRegisterID src, XMMRegisterID dst) { twoByteOpImmSimd("vpshufd", VEX_PD, OP2_PSHUFD_VdqWdqIb, mask, src, invalid_xmm, dst); } void vpshufd_imr(uint32_t mask, int32_t offset, RegisterID base, XMMRegisterID dst) { twoByteOpImmSimd("vpshufd", VEX_PD, OP2_PSHUFD_VdqWdqIb, mask, offset, base, invalid_xmm, dst); } void vpshufd_imr(uint32_t mask, const void* address, XMMRegisterID dst) { twoByteOpImmSimd("vpshufd", VEX_PD, OP2_PSHUFD_VdqWdqIb, mask, address, invalid_xmm, dst); } void vpshuflw_irr(uint32_t mask, XMMRegisterID src, XMMRegisterID dst) { twoByteOpImmSimd("vpshuflw", VEX_SD, OP2_PSHUFLW_VdqWdqIb, mask, src, invalid_xmm, dst); } void vpshufhw_irr(uint32_t mask, XMMRegisterID src, XMMRegisterID dst) { twoByteOpImmSimd("vpshufhw", VEX_SS, OP2_PSHUFHW_VdqWdqIb, mask, src, invalid_xmm, dst); } void vpshufb_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { threeByteOpSimd("vpshufb", VEX_PD, OP3_PSHUFB_VdqWdq, ESCAPE_38, src1, src0, dst); } void vshufps_irr(uint32_t mask, XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpImmSimd("vshufps", VEX_PS, OP2_SHUFPS_VpsWpsIb, mask, src1, src0, dst); } void vshufps_imr(uint32_t mask, int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpImmSimd("vshufps", VEX_PS, OP2_SHUFPS_VpsWpsIb, mask, offset, base, src0, dst); } void vshufps_imr(uint32_t mask, const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpImmSimd("vshufps", VEX_PS, OP2_SHUFPS_VpsWpsIb, mask, address, src0, dst); } void vmovddup_rr(XMMRegisterID src, XMMRegisterID dst) { twoByteOpSimd("vmovddup", VEX_SD, OP2_MOVDDUP_VqWq, src, invalid_xmm, dst); } void vmovhlps_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vmovhlps", VEX_PS, OP2_MOVHLPS_VqUq, src1, src0, dst); } void vmovlhps_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vmovlhps", VEX_PS, OP2_MOVLHPS_VqUq, src1, src0, dst); } void vpsrldq_ir(uint32_t count, XMMRegisterID src, XMMRegisterID dst) { MOZ_ASSERT(count < 16); shiftOpImmSimd("vpsrldq", OP2_PSRLDQ_Vd, ShiftID::vpsrldq, count, src, dst); } void vpsllq_ir(uint32_t count, XMMRegisterID src, XMMRegisterID dst) { MOZ_ASSERT(count < 64); shiftOpImmSimd("vpsllq", OP2_PSRLDQ_Vd, ShiftID::vpsllx, count, src, dst); } void vpsrlq_ir(uint32_t count, XMMRegisterID src, XMMRegisterID dst) { MOZ_ASSERT(count < 64); shiftOpImmSimd("vpsrlq", OP2_PSRLDQ_Vd, ShiftID::vpsrlx, count, src, dst); } void vpslld_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpslld", VEX_PD, OP2_PSLLD_VdqWdq, src1, src0, dst); } void vpslld_ir(uint32_t count, XMMRegisterID src, XMMRegisterID dst) { MOZ_ASSERT(count < 32); shiftOpImmSimd("vpslld", OP2_PSLLD_UdqIb, ShiftID::vpsllx, count, src, dst); } void vpsrad_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsrad", VEX_PD, OP2_PSRAD_VdqWdq, src1, src0, dst); } void vpsrad_ir(int32_t count, XMMRegisterID src, XMMRegisterID dst) { MOZ_ASSERT(count < 32); shiftOpImmSimd("vpsrad", OP2_PSRAD_UdqIb, ShiftID::vpsrad, count, src, dst); } void vpsrld_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsrld", VEX_PD, OP2_PSRLD_VdqWdq, src1, src0, dst); } void vpsrld_ir(uint32_t count, XMMRegisterID src, XMMRegisterID dst) { MOZ_ASSERT(count < 32); shiftOpImmSimd("vpsrld", OP2_PSRLD_UdqIb, ShiftID::vpsrlx, count, src, dst); } void vpsllw_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsllw", VEX_PD, OP2_PSLLW_VdqWdq, src1, src0, dst); } void vpsllw_ir(uint32_t count, XMMRegisterID src, XMMRegisterID dst) { MOZ_ASSERT(count < 16); shiftOpImmSimd("vpsllw", OP2_PSLLW_UdqIb, ShiftID::vpsllx, count, src, dst); } void vpsraw_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsraw", VEX_PD, OP2_PSRAW_VdqWdq, src1, src0, dst); } void vpsraw_ir(int32_t count, XMMRegisterID src, XMMRegisterID dst) { MOZ_ASSERT(count < 16); shiftOpImmSimd("vpsraw", OP2_PSRAW_UdqIb, ShiftID::vpsrad, count, src, dst); } void vpsrlw_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vpsrlw", VEX_PD, OP2_PSRLW_VdqWdq, src1, src0, dst); } void vpsrlw_ir(uint32_t count, XMMRegisterID src, XMMRegisterID dst) { MOZ_ASSERT(count < 16); shiftOpImmSimd("vpsrlw", OP2_PSRLW_UdqIb, ShiftID::vpsrlx, count, src, dst); } void vmovmskpd_rr(XMMRegisterID src, RegisterID dst) { twoByteOpSimdInt32("vmovmskpd", VEX_PD, OP2_MOVMSKPD_EdVd, src, dst); } void vmovmskps_rr(XMMRegisterID src, RegisterID dst) { twoByteOpSimdInt32("vmovmskps", VEX_PS, OP2_MOVMSKPD_EdVd, src, dst); } void vptest_rr(XMMRegisterID rhs, XMMRegisterID lhs) { threeByteOpSimd("vptest", VEX_PD, OP3_PTEST_VdVd, ESCAPE_38, rhs, invalid_xmm, lhs); } void vmovd_rr(XMMRegisterID src, RegisterID dst) { twoByteOpSimdInt32("vmovd", VEX_PD, OP2_MOVD_EdVd, (XMMRegisterID)dst, (RegisterID)src); } void vmovd_rr(RegisterID src, XMMRegisterID dst) { twoByteOpInt32Simd("vmovd", VEX_PD, OP2_MOVD_VdEd, src, invalid_xmm, dst); } void vmovd_mr(int32_t offset, RegisterID base, XMMRegisterID dst) { twoByteOpSimd("vmovd", VEX_PD, OP2_MOVD_VdEd, offset, base, invalid_xmm, dst); } void vmovd_mr(int32_t offset, RegisterID base, RegisterID index, int32_t scale, XMMRegisterID dst) { twoByteOpSimd("vmovd", VEX_PD, OP2_MOVD_VdEd, offset, base, index, scale, invalid_xmm, dst); } void vmovd_mr_disp32(int32_t offset, RegisterID base, XMMRegisterID dst) { twoByteOpSimd_disp32("vmovd", VEX_PD, OP2_MOVD_VdEd, offset, base, invalid_xmm, dst); } void vmovd_mr(const void* address, XMMRegisterID dst) { twoByteOpSimd("vmovd", VEX_PD, OP2_MOVD_VdEd, address, invalid_xmm, dst); } void vmovd_rm(XMMRegisterID src, int32_t offset, RegisterID base) { twoByteOpSimd("vmovd", VEX_PD, OP2_MOVD_EdVd, offset, base, invalid_xmm, src); } void vmovd_rm(XMMRegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { twoByteOpSimd("vmovd", VEX_PD, OP2_MOVD_EdVd, offset, base, index, scale, invalid_xmm, src); } void vmovd_rm_disp32(XMMRegisterID src, int32_t offset, RegisterID base) { twoByteOpSimd_disp32("vmovd", VEX_PD, OP2_MOVD_EdVd, offset, base, invalid_xmm, src); } void vmovd_rm(XMMRegisterID src, const void* address) { twoByteOpSimd("vmovd", VEX_PD, OP2_MOVD_EdVd, address, invalid_xmm, src); } void vmovsd_rm(XMMRegisterID src, int32_t offset, RegisterID base) { twoByteOpSimd("vmovsd", VEX_SD, OP2_MOVSD_WsdVsd, offset, base, invalid_xmm, src); } void vmovsd_rm_disp32(XMMRegisterID src, int32_t offset, RegisterID base) { twoByteOpSimd_disp32("vmovsd", VEX_SD, OP2_MOVSD_WsdVsd, offset, base, invalid_xmm, src); } void vmovss_rm(XMMRegisterID src, int32_t offset, RegisterID base) { twoByteOpSimd("vmovss", VEX_SS, OP2_MOVSD_WsdVsd, offset, base, invalid_xmm, src); } void vmovss_rm_disp32(XMMRegisterID src, int32_t offset, RegisterID base) { twoByteOpSimd_disp32("vmovss", VEX_SS, OP2_MOVSD_WsdVsd, offset, base, invalid_xmm, src); } void vmovss_mr(int32_t offset, RegisterID base, XMMRegisterID dst) { twoByteOpSimd("vmovss", VEX_SS, OP2_MOVSD_VsdWsd, offset, base, invalid_xmm, dst); } void vmovss_mr_disp32(int32_t offset, RegisterID base, XMMRegisterID dst) { twoByteOpSimd_disp32("vmovss", VEX_SS, OP2_MOVSD_VsdWsd, offset, base, invalid_xmm, dst); } void vmovsd_rm(XMMRegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { twoByteOpSimd("vmovsd", VEX_SD, OP2_MOVSD_WsdVsd, offset, base, index, scale, invalid_xmm, src); } void vmovss_rm(XMMRegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { twoByteOpSimd("vmovss", VEX_SS, OP2_MOVSD_WsdVsd, offset, base, index, scale, invalid_xmm, src); } void vmovss_mr(int32_t offset, RegisterID base, RegisterID index, int scale, XMMRegisterID dst) { twoByteOpSimd("vmovss", VEX_SS, OP2_MOVSD_VsdWsd, offset, base, index, scale, invalid_xmm, dst); } void vmovsd_mr(int32_t offset, RegisterID base, XMMRegisterID dst) { twoByteOpSimd("vmovsd", VEX_SD, OP2_MOVSD_VsdWsd, offset, base, invalid_xmm, dst); } void vmovsd_mr_disp32(int32_t offset, RegisterID base, XMMRegisterID dst) { twoByteOpSimd_disp32("vmovsd", VEX_SD, OP2_MOVSD_VsdWsd, offset, base, invalid_xmm, dst); } void vmovsd_mr(int32_t offset, RegisterID base, RegisterID index, int scale, XMMRegisterID dst) { twoByteOpSimd("vmovsd", VEX_SD, OP2_MOVSD_VsdWsd, offset, base, index, scale, invalid_xmm, dst); } // Note that the register-to-register form of vmovsd does not write to the // entire output register. For general-purpose register-to-register moves, // use vmovapd instead. void vmovsd_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vmovsd", VEX_SD, OP2_MOVSD_VsdWsd, src1, src0, dst); } // The register-to-register form of vmovss has the same problem as vmovsd // above. Prefer vmovaps for register-to-register moves. void vmovss_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vmovss", VEX_SS, OP2_MOVSD_VsdWsd, src1, src0, dst); } void vmovsd_mr(const void* address, XMMRegisterID dst) { twoByteOpSimd("vmovsd", VEX_SD, OP2_MOVSD_VsdWsd, address, invalid_xmm, dst); } void vmovss_mr(const void* address, XMMRegisterID dst) { twoByteOpSimd("vmovss", VEX_SS, OP2_MOVSD_VsdWsd, address, invalid_xmm, dst); } void vmovups_mr(const void* address, XMMRegisterID dst) { twoByteOpSimd("vmovups", VEX_PS, OP2_MOVPS_VpsWps, address, invalid_xmm, dst); } void vmovdqu_mr(const void* address, XMMRegisterID dst) { twoByteOpSimd("vmovdqu", VEX_SS, OP2_MOVDQ_VdqWdq, address, invalid_xmm, dst); } void vmovsd_rm(XMMRegisterID src, const void* address) { twoByteOpSimd("vmovsd", VEX_SD, OP2_MOVSD_WsdVsd, address, invalid_xmm, src); } void vmovss_rm(XMMRegisterID src, const void* address) { twoByteOpSimd("vmovss", VEX_SS, OP2_MOVSD_WsdVsd, address, invalid_xmm, src); } void vmovdqa_rm(XMMRegisterID src, const void* address) { twoByteOpSimd("vmovdqa", VEX_PD, OP2_MOVDQ_WdqVdq, address, invalid_xmm, src); } void vmovaps_rm(XMMRegisterID src, const void* address) { twoByteOpSimd("vmovaps", VEX_PS, OP2_MOVAPS_WsdVsd, address, invalid_xmm, src); } void vmovdqu_rm(XMMRegisterID src, const void* address) { twoByteOpSimd("vmovdqu", VEX_SS, OP2_MOVDQ_WdqVdq, address, invalid_xmm, src); } void vmovups_rm(XMMRegisterID src, const void* address) { twoByteOpSimd("vmovups", VEX_PS, OP2_MOVPS_WpsVps, address, invalid_xmm, src); } void vmovaps_rr(XMMRegisterID src, XMMRegisterID dst) { #ifdef JS_CODEGEN_X64 // There are two opcodes that can encode this instruction. If we have // one register in [xmm8,xmm15] and one in [xmm0,xmm7], use the // opcode which swaps the operands, as that way we can get a two-byte // VEX in that case. if (src >= xmm8 && dst < xmm8) { twoByteOpSimd("vmovaps", VEX_PS, OP2_MOVAPS_WsdVsd, dst, invalid_xmm, src); return; } #endif twoByteOpSimd("vmovaps", VEX_PS, OP2_MOVAPS_VsdWsd, src, invalid_xmm, dst); } void vmovaps_rm(XMMRegisterID src, int32_t offset, RegisterID base) { twoByteOpSimd("vmovaps", VEX_PS, OP2_MOVAPS_WsdVsd, offset, base, invalid_xmm, src); } void vmovaps_rm(XMMRegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { twoByteOpSimd("vmovaps", VEX_PS, OP2_MOVAPS_WsdVsd, offset, base, index, scale, invalid_xmm, src); } void vmovaps_mr(int32_t offset, RegisterID base, XMMRegisterID dst) { twoByteOpSimd("vmovaps", VEX_PS, OP2_MOVAPS_VsdWsd, offset, base, invalid_xmm, dst); } void vmovaps_mr(int32_t offset, RegisterID base, RegisterID index, int scale, XMMRegisterID dst) { twoByteOpSimd("vmovaps", VEX_PS, OP2_MOVAPS_VsdWsd, offset, base, index, scale, invalid_xmm, dst); } void vmovups_rm(XMMRegisterID src, int32_t offset, RegisterID base) { twoByteOpSimd("vmovups", VEX_PS, OP2_MOVPS_WpsVps, offset, base, invalid_xmm, src); } void vmovups_rm_disp32(XMMRegisterID src, int32_t offset, RegisterID base) { twoByteOpSimd_disp32("vmovups", VEX_PS, OP2_MOVPS_WpsVps, offset, base, invalid_xmm, src); } void vmovups_rm(XMMRegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { twoByteOpSimd("vmovups", VEX_PS, OP2_MOVPS_WpsVps, offset, base, index, scale, invalid_xmm, src); } void vmovups_mr(int32_t offset, RegisterID base, XMMRegisterID dst) { twoByteOpSimd("vmovups", VEX_PS, OP2_MOVPS_VpsWps, offset, base, invalid_xmm, dst); } void vmovups_mr_disp32(int32_t offset, RegisterID base, XMMRegisterID dst) { twoByteOpSimd_disp32("vmovups", VEX_PS, OP2_MOVPS_VpsWps, offset, base, invalid_xmm, dst); } void vmovups_mr(int32_t offset, RegisterID base, RegisterID index, int scale, XMMRegisterID dst) { twoByteOpSimd("vmovups", VEX_PS, OP2_MOVPS_VpsWps, offset, base, index, scale, invalid_xmm, dst); } void vmovapd_rr(XMMRegisterID src, XMMRegisterID dst) { #ifdef JS_CODEGEN_X64 // There are two opcodes that can encode this instruction. If we have // one register in [xmm8,xmm15] and one in [xmm0,xmm7], use the // opcode which swaps the operands, as that way we can get a two-byte // VEX in that case. if (src >= xmm8 && dst < xmm8) { twoByteOpSimd("vmovapd", VEX_PD, OP2_MOVAPS_WsdVsd, dst, invalid_xmm, src); return; } #endif twoByteOpSimd("vmovapd", VEX_PD, OP2_MOVAPD_VsdWsd, src, invalid_xmm, dst); } void vmovdqu_rm(XMMRegisterID src, int32_t offset, RegisterID base) { twoByteOpSimd("vmovdqu", VEX_SS, OP2_MOVDQ_WdqVdq, offset, base, invalid_xmm, src); } void vmovdqu_rm_disp32(XMMRegisterID src, int32_t offset, RegisterID base) { twoByteOpSimd_disp32("vmovdqu", VEX_SS, OP2_MOVDQ_WdqVdq, offset, base, invalid_xmm, src); } void vmovdqu_rm(XMMRegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { twoByteOpSimd("vmovdqu", VEX_SS, OP2_MOVDQ_WdqVdq, offset, base, index, scale, invalid_xmm, src); } void vmovdqu_mr(int32_t offset, RegisterID base, XMMRegisterID dst) { twoByteOpSimd("vmovdqu", VEX_SS, OP2_MOVDQ_VdqWdq, offset, base, invalid_xmm, dst); } void vmovdqu_mr_disp32(int32_t offset, RegisterID base, XMMRegisterID dst) { twoByteOpSimd_disp32("vmovdqu", VEX_SS, OP2_MOVDQ_VdqWdq, offset, base, invalid_xmm, dst); } void vmovdqu_mr(int32_t offset, RegisterID base, RegisterID index, int scale, XMMRegisterID dst) { twoByteOpSimd("vmovdqu", VEX_SS, OP2_MOVDQ_VdqWdq, offset, base, index, scale, invalid_xmm, dst); } void vmovdqa_rr(XMMRegisterID src, XMMRegisterID dst) { #ifdef JS_CODEGEN_X64 // There are two opcodes that can encode this instruction. If we have // one register in [xmm8,xmm15] and one in [xmm0,xmm7], use the // opcode which swaps the operands, as that way we can get a two-byte // VEX in that case. if (src >= xmm8 && dst < xmm8) { twoByteOpSimd("vmovdqa", VEX_PD, OP2_MOVDQ_WdqVdq, dst, invalid_xmm, src); return; } #endif twoByteOpSimd("vmovdqa", VEX_PD, OP2_MOVDQ_VdqWdq, src, invalid_xmm, dst); } void vmovdqa_rm(XMMRegisterID src, int32_t offset, RegisterID base) { twoByteOpSimd("vmovdqa", VEX_PD, OP2_MOVDQ_WdqVdq, offset, base, invalid_xmm, src); } void vmovdqa_rm(XMMRegisterID src, int32_t offset, RegisterID base, RegisterID index, int scale) { twoByteOpSimd("vmovdqa", VEX_PD, OP2_MOVDQ_WdqVdq, offset, base, index, scale, invalid_xmm, src); } void vmovdqa_mr(int32_t offset, RegisterID base, XMMRegisterID dst) { twoByteOpSimd("vmovdqa", VEX_PD, OP2_MOVDQ_VdqWdq, offset, base, invalid_xmm, dst); } void vmovdqa_mr(int32_t offset, RegisterID base, RegisterID index, int scale, XMMRegisterID dst) { twoByteOpSimd("vmovdqa", VEX_PD, OP2_MOVDQ_VdqWdq, offset, base, index, scale, invalid_xmm, dst); } void vmulsd_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vmulsd", VEX_SD, OP2_MULSD_VsdWsd, src1, src0, dst); } void vmulss_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vmulss", VEX_SS, OP2_MULSD_VsdWsd, src1, src0, dst); } void vmulsd_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vmulsd", VEX_SD, OP2_MULSD_VsdWsd, offset, base, src0, dst); } void vmulss_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vmulss", VEX_SS, OP2_MULSD_VsdWsd, offset, base, src0, dst); } void vpinsrw_irr(uint32_t whichWord, RegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { MOZ_ASSERT(whichWord < 8); twoByteOpImmInt32Simd("vpinsrw", VEX_PD, OP2_PINSRW, whichWord, src1, src0, dst); } void vpextrw_irr(uint32_t whichWord, XMMRegisterID src, RegisterID dst) { MOZ_ASSERT(whichWord < 8); twoByteOpImmSimdInt32("vpextrw", VEX_PD, OP2_PEXTRW_GdUdIb, whichWord, src, dst); } void vsubsd_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vsubsd", VEX_SD, OP2_SUBSD_VsdWsd, src1, src0, dst); } void vsubss_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vsubss", VEX_SS, OP2_SUBSD_VsdWsd, src1, src0, dst); } void vsubsd_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vsubsd", VEX_SD, OP2_SUBSD_VsdWsd, offset, base, src0, dst); } void vsubss_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vsubss", VEX_SS, OP2_SUBSD_VsdWsd, offset, base, src0, dst); } void vucomiss_rr(XMMRegisterID rhs, XMMRegisterID lhs) { twoByteOpSimdFlags("vucomiss", VEX_PS, OP2_UCOMISD_VsdWsd, rhs, lhs); } void vucomisd_rr(XMMRegisterID rhs, XMMRegisterID lhs) { twoByteOpSimdFlags("vucomisd", VEX_PD, OP2_UCOMISD_VsdWsd, rhs, lhs); } void vucomisd_mr(int32_t offset, RegisterID base, XMMRegisterID lhs) { twoByteOpSimdFlags("vucomisd", VEX_PD, OP2_UCOMISD_VsdWsd, offset, base, lhs); } void vdivsd_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vdivsd", VEX_SD, OP2_DIVSD_VsdWsd, src1, src0, dst); } void vdivss_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vdivss", VEX_SS, OP2_DIVSD_VsdWsd, src1, src0, dst); } void vdivsd_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vdivsd", VEX_SD, OP2_DIVSD_VsdWsd, offset, base, src0, dst); } void vdivss_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vdivss", VEX_SS, OP2_DIVSD_VsdWsd, offset, base, src0, dst); } void vxorpd_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vxorpd", VEX_PD, OP2_XORPD_VpdWpd, src1, src0, dst); } void vorpd_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vorpd", VEX_PD, OP2_ORPD_VpdWpd, src1, src0, dst); } void vandpd_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vandpd", VEX_PD, OP2_ANDPD_VpdWpd, src1, src0, dst); } void vandps_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vandps", VEX_PS, OP2_ANDPS_VpsWps, src1, src0, dst); } void vandps_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vandps", VEX_PS, OP2_ANDPS_VpsWps, offset, base, src0, dst); } void vandps_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vandps", VEX_PS, OP2_ANDPS_VpsWps, address, src0, dst); } void vandnps_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vandnps", VEX_PS, OP2_ANDNPS_VpsWps, src1, src0, dst); } void vandnps_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vandnps", VEX_PS, OP2_ANDNPS_VpsWps, offset, base, src0, dst); } void vandnps_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vandnps", VEX_PS, OP2_ANDNPS_VpsWps, address, src0, dst); } void vorps_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vorps", VEX_PS, OP2_ORPS_VpsWps, src1, src0, dst); } void vorps_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vorps", VEX_PS, OP2_ORPS_VpsWps, offset, base, src0, dst); } void vorps_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vorps", VEX_PS, OP2_ORPS_VpsWps, address, src0, dst); } void vxorps_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vxorps", VEX_PS, OP2_XORPS_VpsWps, src1, src0, dst); } void vxorps_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vxorps", VEX_PS, OP2_XORPS_VpsWps, offset, base, src0, dst); } void vxorps_mr(const void* address, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vxorps", VEX_PS, OP2_XORPS_VpsWps, address, src0, dst); } void vsqrtsd_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vsqrtsd", VEX_SD, OP2_SQRTSD_VsdWsd, src1, src0, dst); } void vsqrtss_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vsqrtss", VEX_SS, OP2_SQRTSS_VssWss, src1, src0, dst); } void vroundsd_irr(RoundingMode mode, XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { threeByteOpImmSimd("vroundsd", VEX_PD, OP3_ROUNDSD_VsdWsd, ESCAPE_3A, mode, src1, src0, dst); } void vroundss_irr(RoundingMode mode, XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { threeByteOpImmSimd("vroundss", VEX_PD, OP3_ROUNDSS_VsdWsd, ESCAPE_3A, mode, src1, src0, dst); } void vinsertps_irr(uint32_t mask, XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { threeByteOpImmSimd("vinsertps", VEX_PD, OP3_INSERTPS_VpsUps, ESCAPE_3A, mask, src1, src0, dst); } void vinsertps_imr(uint32_t mask, int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { threeByteOpImmSimd("vinsertps", VEX_PD, OP3_INSERTPS_VpsUps, ESCAPE_3A, mask, offset, base, src0, dst); } void vpinsrb_irr(unsigned lane, RegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { MOZ_ASSERT(lane < 16); threeByteOpImmInt32Simd("vpinsrb", VEX_PD, OP3_PINSRB_VdqEdIb, ESCAPE_3A, lane, src1, src0, dst); } void vpinsrd_irr(unsigned lane, RegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { MOZ_ASSERT(lane < 4); threeByteOpImmInt32Simd("vpinsrd", VEX_PD, OP3_PINSRD_VdqEdIb, ESCAPE_3A, lane, src1, src0, dst); } void vpextrb_irr(unsigned lane, XMMRegisterID src, RegisterID dst) { MOZ_ASSERT(lane < 16); threeByteOpImmSimdInt32("vpextrb", VEX_PD, OP3_PEXTRB_EdVdqIb, ESCAPE_3A, lane, (XMMRegisterID)dst, (RegisterID)src); } void vpextrd_irr(unsigned lane, XMMRegisterID src, RegisterID dst) { MOZ_ASSERT(lane < 4); threeByteOpImmSimdInt32("vpextrd", VEX_PD, OP3_PEXTRD_EdVdqIb, ESCAPE_3A, lane, (XMMRegisterID)dst, (RegisterID)src); } void vblendps_irr(unsigned imm, XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { MOZ_ASSERT(imm < 16); // Despite being a "ps" instruction, vblendps is encoded with the "pd" prefix. threeByteOpImmSimd("vblendps", VEX_PD, OP3_BLENDPS_VpsWpsIb, ESCAPE_3A, imm, src1, src0, dst); } void vblendps_imr(unsigned imm, int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { MOZ_ASSERT(imm < 16); // Despite being a "ps" instruction, vblendps is encoded with the "pd" prefix. threeByteOpImmSimd("vblendps", VEX_PD, OP3_BLENDPS_VpsWpsIb, ESCAPE_3A, imm, offset, base, src0, dst); } void vblendvps_rr(XMMRegisterID mask, XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { vblendvOpSimd(mask, src1, src0, dst); } void vblendvps_mr(XMMRegisterID mask, int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { vblendvOpSimd(mask, offset, base, src0, dst); } void vmovsldup_rr(XMMRegisterID src, XMMRegisterID dst) { twoByteOpSimd("vmovsldup", VEX_SS, OP2_MOVSLDUP_VpsWps, src, invalid_xmm, dst); } void vmovsldup_mr(int32_t offset, RegisterID base, XMMRegisterID dst) { twoByteOpSimd("vmovsldup", VEX_SS, OP2_MOVSLDUP_VpsWps, offset, base, invalid_xmm, dst); } void vmovshdup_rr(XMMRegisterID src, XMMRegisterID dst) { twoByteOpSimd("vmovshdup", VEX_SS, OP2_MOVSHDUP_VpsWps, src, invalid_xmm, dst); } void vmovshdup_mr(int32_t offset, RegisterID base, XMMRegisterID dst) { twoByteOpSimd("vmovshdup", VEX_SS, OP2_MOVSHDUP_VpsWps, offset, base, invalid_xmm, dst); } void vminsd_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vminsd", VEX_SD, OP2_MINSD_VsdWsd, src1, src0, dst); } void vminsd_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vminsd", VEX_SD, OP2_MINSD_VsdWsd, offset, base, src0, dst); } void vminss_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vminss", VEX_SS, OP2_MINSS_VssWss, src1, src0, dst); } void vmaxsd_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vmaxsd", VEX_SD, OP2_MAXSD_VsdWsd, src1, src0, dst); } void vmaxsd_mr(int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vmaxsd", VEX_SD, OP2_MAXSD_VsdWsd, offset, base, src0, dst); } void vmaxss_rr(XMMRegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { twoByteOpSimd("vmaxss", VEX_SS, OP2_MAXSS_VssWss, src1, src0, dst); } // Misc instructions: void int3() { spew("int3"); m_formatter.oneByteOp(OP_INT3); } void ud2() { spew("ud2"); m_formatter.twoByteOp(OP2_UD2); } void ret() { spew("ret"); m_formatter.oneByteOp(OP_RET); } void ret_i(int32_t imm) { spew("ret $%d", imm); m_formatter.oneByteOp(OP_RET_Iz); m_formatter.immediate16u(imm); } void mfence() { spew("mfence"); m_formatter.twoByteOp(OP_FENCE, (RegisterID)0, 6); } // Assembler admin methods: JmpDst label() { JmpDst r = JmpDst(m_formatter.size()); spew(".set .Llabel%d, .", r.offset()); return r; } size_t currentOffset() const { return m_formatter.size(); } static JmpDst labelFor(JmpSrc jump, intptr_t offset = 0) { return JmpDst(jump.offset() + offset); } void haltingAlign(int alignment) { spew(".balign %d, 0x%x # hlt", alignment, OP_HLT); while (!m_formatter.isAligned(alignment)) m_formatter.oneByteOp(OP_HLT); } void nopAlign(int alignment) { spew(".balign %d", alignment); int remainder = m_formatter.size() % alignment; if (remainder > 0) insert_nop(alignment - remainder); } void jumpTablePointer(uintptr_t ptr) { #ifdef JS_CODEGEN_X64 spew(".quad 0x%" PRIxPTR, ptr); #else spew(".int 0x%" PRIxPTR, ptr); #endif m_formatter.jumpTablePointer(ptr); } void doubleConstant(double d) { spew(".double %.16g", d); m_formatter.doubleConstant(d); } void floatConstant(float f) { spew(".float %.16g", f); m_formatter.floatConstant(f); } void simd128Constant(const void* data) { const uint32_t* dw = reinterpret_cast<const uint32_t*>(data); spew(".int 0x%08x,0x%08x,0x%08x,0x%08x", dw[0], dw[1], dw[2], dw[3]); MOZ_ASSERT(m_formatter.isAligned(16)); m_formatter.simd128Constant(data); } void int32Constant(int32_t i) { spew(".int %d", i); m_formatter.int32Constant(i); } void int64Constant(int64_t i) { spew(".quad %lld", (long long)i); m_formatter.int64Constant(i); } // Linking & patching: void assertValidJmpSrc(JmpSrc src) { // The target offset is stored at offset - 4. MOZ_RELEASE_ASSERT(src.offset() > int32_t(sizeof(int32_t))); MOZ_RELEASE_ASSERT(size_t(src.offset()) <= size()); } bool nextJump(const JmpSrc& from, JmpSrc* next) { // Sanity check - if the assembler has OOM'd, it will start overwriting // its internal buffer and thus our links could be garbage. if (oom()) return false; assertValidJmpSrc(from); const unsigned char* code = m_formatter.data(); int32_t offset = GetInt32(code + from.offset()); if (offset == -1) return false; if (MOZ_UNLIKELY(size_t(offset) >= size())) { #ifdef NIGHTLY_BUILD // Stash some data on the stack so we can retrieve it from minidumps, // see bug 1124397. int32_t startOffset = from.offset() - 1; while (startOffset >= 0 && code[startOffset] == 0xe5) startOffset--; int32_t endOffset = from.offset() - 1; while (endOffset < int32_t(size()) && code[endOffset] == 0xe5) endOffset++; volatile uintptr_t dump[10]; blackbox = dump; blackbox[0] = uintptr_t(0xABCD1234); blackbox[1] = uintptr_t(offset); blackbox[2] = uintptr_t(size()); blackbox[3] = uintptr_t(from.offset()); blackbox[4] = uintptr_t(code[from.offset() - 5]); blackbox[5] = uintptr_t(code[from.offset() - 4]); blackbox[6] = uintptr_t(code[from.offset() - 3]); blackbox[7] = uintptr_t(startOffset); blackbox[8] = uintptr_t(endOffset); blackbox[9] = uintptr_t(0xFFFF7777); #endif MOZ_CRASH("nextJump bogus offset"); } *next = JmpSrc(offset); return true; } void setNextJump(const JmpSrc& from, const JmpSrc& to) { // Sanity check - if the assembler has OOM'd, it will start overwriting // its internal buffer and thus our links could be garbage. if (oom()) return; assertValidJmpSrc(from); MOZ_RELEASE_ASSERT(to.offset() == -1 || size_t(to.offset()) <= size()); unsigned char* code = m_formatter.data(); AutoUnprotectAssemblerBufferRegion unprotect(*this, from.offset() - 4, 4); SetInt32(code + from.offset(), to.offset()); } void linkJump(JmpSrc from, JmpDst to) { MOZ_ASSERT(from.offset() != -1); MOZ_ASSERT(to.offset() != -1); // Sanity check - if the assembler has OOM'd, it will start overwriting // its internal buffer and thus our links could be garbage. if (oom()) return; assertValidJmpSrc(from); MOZ_RELEASE_ASSERT(size_t(to.offset()) <= size()); spew(".set .Lfrom%d, .Llabel%d", from.offset(), to.offset()); unsigned char* code = m_formatter.data(); AutoUnprotectAssemblerBufferRegion unprotect(*this, from.offset() - 4, 4); SetRel32(code + from.offset(), code + to.offset()); } void executableCopy(void* buffer) { memcpy(buffer, m_formatter.buffer(), size()); } MOZ_MUST_USE bool appendBuffer(const BaseAssembler& other) { return m_formatter.append(other.m_formatter.buffer(), other.size()); } void unprotectDataRegion(size_t firstByteOffset, size_t lastByteOffset) { m_formatter.unprotectDataRegion(firstByteOffset, lastByteOffset); } void reprotectDataRegion(size_t firstByteOffset, size_t lastByteOffset) { m_formatter.reprotectDataRegion(firstByteOffset, lastByteOffset); } protected: static bool CAN_SIGN_EXTEND_8_32(int32_t value) { return value == (int32_t)(int8_t)value; } static bool CAN_SIGN_EXTEND_16_32(int32_t value) { return value == (int32_t)(int16_t)value; } static bool CAN_ZERO_EXTEND_8_32(int32_t value) { return value == (int32_t)(uint8_t)value; } static bool CAN_ZERO_EXTEND_8H_32(int32_t value) { return value == (value & 0xff00); } static bool CAN_ZERO_EXTEND_16_32(int32_t value) { return value == (int32_t)(uint16_t)value; } static bool CAN_ZERO_EXTEND_32_64(int32_t value) { return value >= 0; } // Methods for encoding SIMD instructions via either legacy SSE encoding or // VEX encoding. bool useLegacySSEEncoding(XMMRegisterID src0, XMMRegisterID dst) { // If we don't have AVX or it's disabled, use the legacy SSE encoding. if (!useVEX_) { MOZ_ASSERT(src0 == invalid_xmm || src0 == dst, "Legacy SSE (pre-AVX) encoding requires the output register to be " "the same as the src0 input register"); return true; } // If src0 is the same as the output register, we might as well use // the legacy SSE encoding, since it is smaller. However, this is only // beneficial as long as we're not using ymm registers anywhere. return src0 == dst; } bool useLegacySSEEncodingForVblendv(XMMRegisterID mask, XMMRegisterID src0, XMMRegisterID dst) { // Similar to useLegacySSEEncoding, but for vblendv the Legacy SSE // encoding also requires the mask to be in xmm0. if (!useVEX_) { MOZ_ASSERT(src0 == dst, "Legacy SSE (pre-AVX) encoding requires the output register to be " "the same as the src0 input register"); MOZ_ASSERT(mask == xmm0, "Legacy SSE (pre-AVX) encoding for blendv requires the mask to be " "in xmm0"); return true; } return src0 == dst && mask == xmm0; } bool useLegacySSEEncodingForOtherOutput() { return !useVEX_; } const char* legacySSEOpName(const char* name) { MOZ_ASSERT(name[0] == 'v'); return name + 1; } void twoByteOpSimd(const char* name, VexOperandType ty, TwoByteOpcodeID opcode, XMMRegisterID rm, XMMRegisterID src0, XMMRegisterID dst) { if (useLegacySSEEncoding(src0, dst)) { if (IsXMMReversedOperands(opcode)) spew("%-11s%s, %s", legacySSEOpName(name), XMMRegName(dst), XMMRegName(rm)); else spew("%-11s%s, %s", legacySSEOpName(name), XMMRegName(rm), XMMRegName(dst)); m_formatter.legacySSEPrefix(ty); m_formatter.twoByteOp(opcode, (RegisterID)rm, dst); return; } if (src0 == invalid_xmm) { if (IsXMMReversedOperands(opcode)) spew("%-11s%s, %s", name, XMMRegName(dst), XMMRegName(rm)); else spew("%-11s%s, %s", name, XMMRegName(rm), XMMRegName(dst)); } else { spew("%-11s%s, %s, %s", name, XMMRegName(rm), XMMRegName(src0), XMMRegName(dst)); } m_formatter.twoByteOpVex(ty, opcode, (RegisterID)rm, src0, dst); } void twoByteOpImmSimd(const char* name, VexOperandType ty, TwoByteOpcodeID opcode, uint32_t imm, XMMRegisterID rm, XMMRegisterID src0, XMMRegisterID dst) { if (useLegacySSEEncoding(src0, dst)) { spew("%-11s$0x%x, %s, %s", legacySSEOpName(name), imm, XMMRegName(rm), XMMRegName(dst)); m_formatter.legacySSEPrefix(ty); m_formatter.twoByteOp(opcode, (RegisterID)rm, dst); m_formatter.immediate8u(imm); return; } if (src0 == invalid_xmm) spew("%-11s$0x%x, %s, %s", name, imm, XMMRegName(rm), XMMRegName(dst)); else spew("%-11s$0x%x, %s, %s, %s", name, imm, XMMRegName(rm), XMMRegName(src0), XMMRegName(dst)); m_formatter.twoByteOpVex(ty, opcode, (RegisterID)rm, src0, dst); m_formatter.immediate8u(imm); } void twoByteOpSimd(const char* name, VexOperandType ty, TwoByteOpcodeID opcode, int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { if (useLegacySSEEncoding(src0, dst)) { if (IsXMMReversedOperands(opcode)) { spew("%-11s%s, " MEM_ob, legacySSEOpName(name), XMMRegName(dst), ADDR_ob(offset, base)); } else { spew("%-11s" MEM_ob ", %s", legacySSEOpName(name), ADDR_ob(offset, base), XMMRegName(dst)); } m_formatter.legacySSEPrefix(ty); m_formatter.twoByteOp(opcode, offset, base, dst); return; } if (src0 == invalid_xmm) { if (IsXMMReversedOperands(opcode)) spew("%-11s%s, " MEM_ob, name, XMMRegName(dst), ADDR_ob(offset, base)); else spew("%-11s" MEM_ob ", %s", name, ADDR_ob(offset, base), XMMRegName(dst)); } else { spew("%-11s" MEM_ob ", %s, %s", name, ADDR_ob(offset, base), XMMRegName(src0), XMMRegName(dst)); } m_formatter.twoByteOpVex(ty, opcode, offset, base, src0, dst); } void twoByteOpSimd_disp32(const char* name, VexOperandType ty, TwoByteOpcodeID opcode, int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { if (useLegacySSEEncoding(src0, dst)) { if (IsXMMReversedOperands(opcode)) spew("%-11s%s, " MEM_o32b, legacySSEOpName(name), XMMRegName(dst), ADDR_o32b(offset, base)); else spew("%-11s" MEM_o32b ", %s", legacySSEOpName(name), ADDR_o32b(offset, base), XMMRegName(dst)); m_formatter.legacySSEPrefix(ty); m_formatter.twoByteOp_disp32(opcode, offset, base, dst); return; } if (src0 == invalid_xmm) { if (IsXMMReversedOperands(opcode)) spew("%-11s%s, " MEM_o32b, name, XMMRegName(dst), ADDR_o32b(offset, base)); else spew("%-11s" MEM_o32b ", %s", name, ADDR_o32b(offset, base), XMMRegName(dst)); } else { spew("%-11s" MEM_o32b ", %s, %s", name, ADDR_o32b(offset, base), XMMRegName(src0), XMMRegName(dst)); } m_formatter.twoByteOpVex_disp32(ty, opcode, offset, base, src0, dst); } void twoByteOpImmSimd(const char* name, VexOperandType ty, TwoByteOpcodeID opcode, uint32_t imm, int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { if (useLegacySSEEncoding(src0, dst)) { spew("%-11s$0x%x, " MEM_ob ", %s", legacySSEOpName(name), imm, ADDR_ob(offset, base), XMMRegName(dst)); m_formatter.legacySSEPrefix(ty); m_formatter.twoByteOp(opcode, offset, base, dst); m_formatter.immediate8u(imm); return; } spew("%-11s$0x%x, " MEM_ob ", %s, %s", name, imm, ADDR_ob(offset, base), XMMRegName(src0), XMMRegName(dst)); m_formatter.twoByteOpVex(ty, opcode, offset, base, src0, dst); m_formatter.immediate8u(imm); } void twoByteOpSimd(const char* name, VexOperandType ty, TwoByteOpcodeID opcode, int32_t offset, RegisterID base, RegisterID index, int scale, XMMRegisterID src0, XMMRegisterID dst) { if (useLegacySSEEncoding(src0, dst)) { if (IsXMMReversedOperands(opcode)) { spew("%-11s%s, " MEM_obs, legacySSEOpName(name), XMMRegName(dst), ADDR_obs(offset, base, index, scale)); } else { spew("%-11s" MEM_obs ", %s", legacySSEOpName(name), ADDR_obs(offset, base, index, scale), XMMRegName(dst)); } m_formatter.legacySSEPrefix(ty); m_formatter.twoByteOp(opcode, offset, base, index, scale, dst); return; } if (src0 == invalid_xmm) { if (IsXMMReversedOperands(opcode)) { spew("%-11s%s, " MEM_obs, name, XMMRegName(dst), ADDR_obs(offset, base, index, scale)); } else { spew("%-11s" MEM_obs ", %s", name, ADDR_obs(offset, base, index, scale), XMMRegName(dst)); } } else { spew("%-11s" MEM_obs ", %s, %s", name, ADDR_obs(offset, base, index, scale), XMMRegName(src0), XMMRegName(dst)); } m_formatter.twoByteOpVex(ty, opcode, offset, base, index, scale, src0, dst); } void twoByteOpSimd(const char* name, VexOperandType ty, TwoByteOpcodeID opcode, const void* address, XMMRegisterID src0, XMMRegisterID dst) { if (useLegacySSEEncoding(src0, dst)) { if (IsXMMReversedOperands(opcode)) spew("%-11s%s, %p", legacySSEOpName(name), XMMRegName(dst), address); else spew("%-11s%p, %s", legacySSEOpName(name), address, XMMRegName(dst)); m_formatter.legacySSEPrefix(ty); m_formatter.twoByteOp(opcode, address, dst); return; } if (src0 == invalid_xmm) { if (IsXMMReversedOperands(opcode)) spew("%-11s%s, %p", name, XMMRegName(dst), address); else spew("%-11s%p, %s", name, address, XMMRegName(dst)); } else { spew("%-11s%p, %s, %s", name, address, XMMRegName(src0), XMMRegName(dst)); } m_formatter.twoByteOpVex(ty, opcode, address, src0, dst); } void twoByteOpImmSimd(const char* name, VexOperandType ty, TwoByteOpcodeID opcode, uint32_t imm, const void* address, XMMRegisterID src0, XMMRegisterID dst) { if (useLegacySSEEncoding(src0, dst)) { spew("%-11s$0x%x, %p, %s", legacySSEOpName(name), imm, address, XMMRegName(dst)); m_formatter.legacySSEPrefix(ty); m_formatter.twoByteOp(opcode, address, dst); m_formatter.immediate8u(imm); return; } spew("%-11s$0x%x, %p, %s, %s", name, imm, address, XMMRegName(src0), XMMRegName(dst)); m_formatter.twoByteOpVex(ty, opcode, address, src0, dst); m_formatter.immediate8u(imm); } void twoByteOpInt32Simd(const char* name, VexOperandType ty, TwoByteOpcodeID opcode, RegisterID rm, XMMRegisterID src0, XMMRegisterID dst) { if (useLegacySSEEncoding(src0, dst)) { if (IsXMMReversedOperands(opcode)) spew("%-11s%s, %s", legacySSEOpName(name), XMMRegName(dst), GPReg32Name(rm)); else spew("%-11s%s, %s", legacySSEOpName(name), GPReg32Name(rm), XMMRegName(dst)); m_formatter.legacySSEPrefix(ty); m_formatter.twoByteOp(opcode, rm, dst); return; } if (src0 == invalid_xmm) { if (IsXMMReversedOperands(opcode)) spew("%-11s%s, %s", name, XMMRegName(dst), GPReg32Name(rm)); else spew("%-11s%s, %s", name, GPReg32Name(rm), XMMRegName(dst)); } else { spew("%-11s%s, %s, %s", name, GPReg32Name(rm), XMMRegName(src0), XMMRegName(dst)); } m_formatter.twoByteOpVex(ty, opcode, rm, src0, dst); } void twoByteOpSimdInt32(const char* name, VexOperandType ty, TwoByteOpcodeID opcode, XMMRegisterID rm, RegisterID dst) { if (useLegacySSEEncodingForOtherOutput()) { if (IsXMMReversedOperands(opcode)) spew("%-11s%s, %s", legacySSEOpName(name), GPReg32Name(dst), XMMRegName(rm)); else if (opcode == OP2_MOVD_EdVd) spew("%-11s%s, %s", legacySSEOpName(name), XMMRegName((XMMRegisterID)dst), GPReg32Name((RegisterID)rm)); else spew("%-11s%s, %s", legacySSEOpName(name), XMMRegName(rm), GPReg32Name(dst)); m_formatter.legacySSEPrefix(ty); m_formatter.twoByteOp(opcode, (RegisterID)rm, dst); return; } if (IsXMMReversedOperands(opcode)) spew("%-11s%s, %s", name, GPReg32Name(dst), XMMRegName(rm)); else if (opcode == OP2_MOVD_EdVd) spew("%-11s%s, %s", name, XMMRegName((XMMRegisterID)dst), GPReg32Name((RegisterID)rm)); else spew("%-11s%s, %s", name, XMMRegName(rm), GPReg32Name(dst)); m_formatter.twoByteOpVex(ty, opcode, (RegisterID)rm, invalid_xmm, dst); } void twoByteOpImmSimdInt32(const char* name, VexOperandType ty, TwoByteOpcodeID opcode, uint32_t imm, XMMRegisterID rm, RegisterID dst) { if (useLegacySSEEncodingForOtherOutput()) { spew("%-11s$0x%x, %s, %s", legacySSEOpName(name), imm, XMMRegName(rm), GPReg32Name(dst)); m_formatter.legacySSEPrefix(ty); m_formatter.twoByteOp(opcode, (RegisterID)rm, dst); m_formatter.immediate8u(imm); return; } spew("%-11s$0x%x, %s, %s", name, imm, XMMRegName(rm), GPReg32Name(dst)); m_formatter.twoByteOpVex(ty, opcode, (RegisterID)rm, invalid_xmm, dst); m_formatter.immediate8u(imm); } void twoByteOpImmInt32Simd(const char* name, VexOperandType ty, TwoByteOpcodeID opcode, uint32_t imm, RegisterID rm, XMMRegisterID src0, XMMRegisterID dst) { if (useLegacySSEEncodingForOtherOutput()) { spew("%-11s$0x%x, %s, %s", legacySSEOpName(name), imm, GPReg32Name(rm), XMMRegName(dst)); m_formatter.legacySSEPrefix(ty); m_formatter.twoByteOp(opcode, rm, dst); m_formatter.immediate8u(imm); return; } spew("%-11s$0x%x, %s, %s", name, imm, GPReg32Name(rm), XMMRegName(dst)); m_formatter.twoByteOpVex(ty, opcode, rm, src0, dst); m_formatter.immediate8u(imm); } void twoByteOpSimdFlags(const char* name, VexOperandType ty, TwoByteOpcodeID opcode, XMMRegisterID rm, XMMRegisterID reg) { if (useLegacySSEEncodingForOtherOutput()) { spew("%-11s%s, %s", legacySSEOpName(name), XMMRegName(rm), XMMRegName(reg)); m_formatter.legacySSEPrefix(ty); m_formatter.twoByteOp(opcode, (RegisterID)rm, reg); return; } spew("%-11s%s, %s", name, XMMRegName(rm), XMMRegName(reg)); m_formatter.twoByteOpVex(ty, opcode, (RegisterID)rm, invalid_xmm, (XMMRegisterID)reg); } void twoByteOpSimdFlags(const char* name, VexOperandType ty, TwoByteOpcodeID opcode, int32_t offset, RegisterID base, XMMRegisterID reg) { if (useLegacySSEEncodingForOtherOutput()) { spew("%-11s" MEM_ob ", %s", legacySSEOpName(name), ADDR_ob(offset, base), XMMRegName(reg)); m_formatter.legacySSEPrefix(ty); m_formatter.twoByteOp(opcode, offset, base, reg); return; } spew("%-11s" MEM_ob ", %s", name, ADDR_ob(offset, base), XMMRegName(reg)); m_formatter.twoByteOpVex(ty, opcode, offset, base, invalid_xmm, (XMMRegisterID)reg); } void threeByteOpSimd(const char* name, VexOperandType ty, ThreeByteOpcodeID opcode, ThreeByteEscape escape, XMMRegisterID rm, XMMRegisterID src0, XMMRegisterID dst) { if (useLegacySSEEncoding(src0, dst)) { spew("%-11s%s, %s", legacySSEOpName(name), XMMRegName(rm), XMMRegName(dst)); m_formatter.legacySSEPrefix(ty); m_formatter.threeByteOp(opcode, escape, (RegisterID)rm, dst); return; } spew("%-11s%s, %s, %s", name, XMMRegName(rm), XMMRegName(src0), XMMRegName(dst)); m_formatter.threeByteOpVex(ty, opcode, escape, (RegisterID)rm, src0, dst); } void threeByteOpImmSimd(const char* name, VexOperandType ty, ThreeByteOpcodeID opcode, ThreeByteEscape escape, uint32_t imm, XMMRegisterID rm, XMMRegisterID src0, XMMRegisterID dst) { if (useLegacySSEEncoding(src0, dst)) { spew("%-11s$0x%x, %s, %s", legacySSEOpName(name), imm, XMMRegName(rm), XMMRegName(dst)); m_formatter.legacySSEPrefix(ty); m_formatter.threeByteOp(opcode, escape, (RegisterID)rm, dst); m_formatter.immediate8u(imm); return; } spew("%-11s$0x%x, %s, %s, %s", name, imm, XMMRegName(rm), XMMRegName(src0), XMMRegName(dst)); m_formatter.threeByteOpVex(ty, opcode, escape, (RegisterID)rm, src0, dst); m_formatter.immediate8u(imm); } void threeByteOpSimd(const char* name, VexOperandType ty, ThreeByteOpcodeID opcode, ThreeByteEscape escape, int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { if (useLegacySSEEncoding(src0, dst)) { spew("%-11s" MEM_ob ", %s", legacySSEOpName(name), ADDR_ob(offset, base), XMMRegName(dst)); m_formatter.legacySSEPrefix(ty); m_formatter.threeByteOp(opcode, escape, offset, base, dst); return; } spew("%-11s" MEM_ob ", %s, %s", name, ADDR_ob(offset, base), XMMRegName(src0), XMMRegName(dst)); m_formatter.threeByteOpVex(ty, opcode, escape, offset, base, src0, dst); } void threeByteOpImmSimd(const char* name, VexOperandType ty, ThreeByteOpcodeID opcode, ThreeByteEscape escape, uint32_t imm, int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { if (useLegacySSEEncoding(src0, dst)) { spew("%-11s$0x%x, " MEM_ob ", %s", legacySSEOpName(name), imm, ADDR_ob(offset, base), XMMRegName(dst)); m_formatter.legacySSEPrefix(ty); m_formatter.threeByteOp(opcode, escape, offset, base, dst); m_formatter.immediate8u(imm); return; } spew("%-11s$0x%x, " MEM_ob ", %s, %s", name, imm, ADDR_ob(offset, base), XMMRegName(src0), XMMRegName(dst)); m_formatter.threeByteOpVex(ty, opcode, escape, offset, base, src0, dst); m_formatter.immediate8u(imm); } void threeByteOpSimd(const char* name, VexOperandType ty, ThreeByteOpcodeID opcode, ThreeByteEscape escape, const void* address, XMMRegisterID src0, XMMRegisterID dst) { if (useLegacySSEEncoding(src0, dst)) { spew("%-11s%p, %s", legacySSEOpName(name), address, XMMRegName(dst)); m_formatter.legacySSEPrefix(ty); m_formatter.threeByteOp(opcode, escape, address, dst); return; } spew("%-11s%p, %s, %s", name, address, XMMRegName(src0), XMMRegName(dst)); m_formatter.threeByteOpVex(ty, opcode, escape, address, src0, dst); } void threeByteOpImmInt32Simd(const char* name, VexOperandType ty, ThreeByteOpcodeID opcode, ThreeByteEscape escape, uint32_t imm, RegisterID src1, XMMRegisterID src0, XMMRegisterID dst) { if (useLegacySSEEncoding(src0, dst)) { spew("%-11s$0x%x, %s, %s", legacySSEOpName(name), imm, GPReg32Name(src1), XMMRegName(dst)); m_formatter.legacySSEPrefix(ty); m_formatter.threeByteOp(opcode, escape, src1, dst); m_formatter.immediate8u(imm); return; } spew("%-11s$0x%x, %s, %s, %s", name, imm, GPReg32Name(src1), XMMRegName(src0), XMMRegName(dst)); m_formatter.threeByteOpVex(ty, opcode, escape, src1, src0, dst); m_formatter.immediate8u(imm); } void threeByteOpImmInt32Simd(const char* name, VexOperandType ty, ThreeByteOpcodeID opcode, ThreeByteEscape escape, uint32_t imm, int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { if (useLegacySSEEncoding(src0, dst)) { spew("%-11s$0x%x, " MEM_ob ", %s", legacySSEOpName(name), imm, ADDR_ob(offset, base), XMMRegName(dst)); m_formatter.legacySSEPrefix(ty); m_formatter.threeByteOp(opcode, escape, offset, base, dst); m_formatter.immediate8u(imm); return; } spew("%-11s$0x%x, " MEM_ob ", %s, %s", name, imm, ADDR_ob(offset, base), XMMRegName(src0), XMMRegName(dst)); m_formatter.threeByteOpVex(ty, opcode, escape, offset, base, src0, dst); m_formatter.immediate8u(imm); } void threeByteOpImmSimdInt32(const char* name, VexOperandType ty, ThreeByteOpcodeID opcode, ThreeByteEscape escape, uint32_t imm, XMMRegisterID src, RegisterID dst) { if (useLegacySSEEncodingForOtherOutput()) { spew("%-11s$0x%x, %s, %s", legacySSEOpName(name), imm, XMMRegName(src), GPReg32Name(dst)); m_formatter.legacySSEPrefix(ty); m_formatter.threeByteOp(opcode, escape, (RegisterID)src, dst); m_formatter.immediate8u(imm); return; } if (opcode == OP3_PEXTRD_EdVdqIb) spew("%-11s$0x%x, %s, %s", name, imm, XMMRegName((XMMRegisterID)dst), GPReg32Name((RegisterID)src)); else spew("%-11s$0x%x, %s, %s", name, imm, XMMRegName(src), GPReg32Name(dst)); m_formatter.threeByteOpVex(ty, opcode, escape, (RegisterID)src, invalid_xmm, dst); m_formatter.immediate8u(imm); } void threeByteOpImmSimdInt32(const char* name, VexOperandType ty, ThreeByteOpcodeID opcode, ThreeByteEscape escape, uint32_t imm, int32_t offset, RegisterID base, RegisterID dst) { if (useLegacySSEEncodingForOtherOutput()) { spew("%-11s$0x%x, " MEM_ob ", %s", legacySSEOpName(name), imm, ADDR_ob(offset, base), GPReg32Name(dst)); m_formatter.legacySSEPrefix(ty); m_formatter.threeByteOp(opcode, escape, offset, base, dst); m_formatter.immediate8u(imm); return; } spew("%-11s$0x%x, " MEM_ob ", %s", name, imm, ADDR_ob(offset, base), GPReg32Name(dst)); m_formatter.threeByteOpVex(ty, opcode, escape, offset, base, invalid_xmm, dst); m_formatter.immediate8u(imm); } // Blendv is a three-byte op, but the VEX encoding has a different opcode // than the SSE encoding, so we handle it specially. void vblendvOpSimd(XMMRegisterID mask, XMMRegisterID rm, XMMRegisterID src0, XMMRegisterID dst) { if (useLegacySSEEncodingForVblendv(mask, src0, dst)) { spew("blendvps %s, %s", XMMRegName(rm), XMMRegName(dst)); // Even though a "ps" instruction, vblendv is encoded with the "pd" prefix. m_formatter.legacySSEPrefix(VEX_PD); m_formatter.threeByteOp(OP3_BLENDVPS_VdqWdq, ESCAPE_3A, (RegisterID)rm, dst); return; } spew("vblendvps %s, %s, %s, %s", XMMRegName(mask), XMMRegName(rm), XMMRegName(src0), XMMRegName(dst)); // Even though a "ps" instruction, vblendv is encoded with the "pd" prefix. m_formatter.vblendvOpVex(VEX_PD, OP3_VBLENDVPS_VdqWdq, ESCAPE_3A, mask, (RegisterID)rm, src0, dst); } void vblendvOpSimd(XMMRegisterID mask, int32_t offset, RegisterID base, XMMRegisterID src0, XMMRegisterID dst) { if (useLegacySSEEncodingForVblendv(mask, src0, dst)) { spew("blendvps " MEM_ob ", %s", ADDR_ob(offset, base), XMMRegName(dst)); // Even though a "ps" instruction, vblendv is encoded with the "pd" prefix. m_formatter.legacySSEPrefix(VEX_PD); m_formatter.threeByteOp(OP3_BLENDVPS_VdqWdq, ESCAPE_3A, offset, base, dst); return; } spew("vblendvps %s, " MEM_ob ", %s, %s", XMMRegName(mask), ADDR_ob(offset, base), XMMRegName(src0), XMMRegName(dst)); // Even though a "ps" instruction, vblendv is encoded with the "pd" prefix. m_formatter.vblendvOpVex(VEX_PD, OP3_VBLENDVPS_VdqWdq, ESCAPE_3A, mask, offset, base, src0, dst); } void shiftOpImmSimd(const char* name, TwoByteOpcodeID opcode, ShiftID shiftKind, uint32_t imm, XMMRegisterID src, XMMRegisterID dst) { if (useLegacySSEEncoding(src, dst)) { spew("%-11s$%d, %s", legacySSEOpName(name), imm, XMMRegName(dst)); m_formatter.legacySSEPrefix(VEX_PD); m_formatter.twoByteOp(opcode, (RegisterID)dst, (int)shiftKind); m_formatter.immediate8u(imm); return; } spew("%-11s$%d, %s, %s", name, imm, XMMRegName(src), XMMRegName(dst)); m_formatter.twoByteOpVex(VEX_PD, opcode, (RegisterID)dst, src, (int)shiftKind); m_formatter.immediate8u(imm); } class X86InstructionFormatter { public: // Legacy prefix bytes: // // These are emmitted prior to the instruction. void prefix(OneByteOpcodeID pre) { m_buffer.putByte(pre); } void legacySSEPrefix(VexOperandType ty) { switch (ty) { case VEX_PS: break; case VEX_PD: prefix(PRE_SSE_66); break; case VEX_SS: prefix(PRE_SSE_F3); break; case VEX_SD: prefix(PRE_SSE_F2); break; } } // Word-sized operands / no operand instruction formatters. // // In addition to the opcode, the following operand permutations are supported: // * None - instruction takes no operands. // * One register - the low three bits of the RegisterID are added into the opcode. // * Two registers - encode a register form ModRm (for all ModRm formats, the reg field is passed first, and a GroupOpcodeID may be passed in its place). // * Three argument ModRM - a register, and a register and an offset describing a memory operand. // * Five argument ModRM - a register, and a base register, an index, scale, and offset describing a memory operand. // // For 32-bit x86 targets, the address operand may also be provided as a // void*. On 64-bit targets REX prefixes will be planted as necessary, // where high numbered registers are used. // // The twoByteOp methods plant two-byte Intel instructions sequences // (first opcode byte 0x0F). void oneByteOp(OneByteOpcodeID opcode) { m_buffer.ensureSpace(MaxInstructionSize); m_buffer.putByteUnchecked(opcode); } void oneByteOp(OneByteOpcodeID opcode, RegisterID reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIfNeeded(0, 0, reg); m_buffer.putByteUnchecked(opcode + (reg & 7)); } void oneByteOp(OneByteOpcodeID opcode, RegisterID rm, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIfNeeded(reg, 0, rm); m_buffer.putByteUnchecked(opcode); registerModRM(rm, reg); } void oneByteOp(OneByteOpcodeID opcode, int32_t offset, RegisterID base, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIfNeeded(reg, 0, base); m_buffer.putByteUnchecked(opcode); memoryModRM(offset, base, reg); } void oneByteOp_disp32(OneByteOpcodeID opcode, int32_t offset, RegisterID base, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIfNeeded(reg, 0, base); m_buffer.putByteUnchecked(opcode); memoryModRM_disp32(offset, base, reg); } void oneByteOp(OneByteOpcodeID opcode, int32_t offset, RegisterID base, RegisterID index, int scale, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIfNeeded(reg, index, base); m_buffer.putByteUnchecked(opcode); memoryModRM(offset, base, index, scale, reg); } void oneByteOp_disp32(OneByteOpcodeID opcode, int32_t offset, RegisterID index, int scale, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIfNeeded(reg, index, 0); m_buffer.putByteUnchecked(opcode); memoryModRM_disp32(offset, index, scale, reg); } void oneByteOp(OneByteOpcodeID opcode, const void* address, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIfNeeded(reg, 0, 0); m_buffer.putByteUnchecked(opcode); memoryModRM_disp32(address, reg); } void oneByteOp_disp32(OneByteOpcodeID opcode, const void* address, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIfNeeded(reg, 0, 0); m_buffer.putByteUnchecked(opcode); memoryModRM_disp32(address, reg); } #ifdef JS_CODEGEN_X64 void oneByteRipOp(OneByteOpcodeID opcode, int ripOffset, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIfNeeded(reg, 0, 0); m_buffer.putByteUnchecked(opcode); putModRm(ModRmMemoryNoDisp, noBase, reg); m_buffer.putIntUnchecked(ripOffset); } void oneByteRipOp64(OneByteOpcodeID opcode, int ripOffset, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexW(reg, 0, 0); m_buffer.putByteUnchecked(opcode); putModRm(ModRmMemoryNoDisp, noBase, reg); m_buffer.putIntUnchecked(ripOffset); } void twoByteRipOp(TwoByteOpcodeID opcode, int ripOffset, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIfNeeded(reg, 0, 0); m_buffer.putByteUnchecked(OP_2BYTE_ESCAPE); m_buffer.putByteUnchecked(opcode); putModRm(ModRmMemoryNoDisp, noBase, reg); m_buffer.putIntUnchecked(ripOffset); } void twoByteRipOpVex(VexOperandType ty, TwoByteOpcodeID opcode, int ripOffset, XMMRegisterID src0, XMMRegisterID reg) { int r = (reg >> 3), x = 0, b = 0; int m = 1; // 0x0F int w = 0, v = src0, l = 0; threeOpVex(ty, r, x, b, m, w, v, l, opcode); putModRm(ModRmMemoryNoDisp, noBase, reg); m_buffer.putIntUnchecked(ripOffset); } #endif void twoByteOp(TwoByteOpcodeID opcode) { m_buffer.ensureSpace(MaxInstructionSize); m_buffer.putByteUnchecked(OP_2BYTE_ESCAPE); m_buffer.putByteUnchecked(opcode); } void twoByteOp(TwoByteOpcodeID opcode, RegisterID rm, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIfNeeded(reg, 0, rm); m_buffer.putByteUnchecked(OP_2BYTE_ESCAPE); m_buffer.putByteUnchecked(opcode); registerModRM(rm, reg); } void twoByteOpVex(VexOperandType ty, TwoByteOpcodeID opcode, RegisterID rm, XMMRegisterID src0, int reg) { int r = (reg >> 3), x = 0, b = (rm >> 3); int m = 1; // 0x0F int w = 0, v = src0, l = 0; threeOpVex(ty, r, x, b, m, w, v, l, opcode); registerModRM(rm, reg); } void twoByteOp(TwoByteOpcodeID opcode, int32_t offset, RegisterID base, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIfNeeded(reg, 0, base); m_buffer.putByteUnchecked(OP_2BYTE_ESCAPE); m_buffer.putByteUnchecked(opcode); memoryModRM(offset, base, reg); } void twoByteOpVex(VexOperandType ty, TwoByteOpcodeID opcode, int32_t offset, RegisterID base, XMMRegisterID src0, int reg) { int r = (reg >> 3), x = 0, b = (base >> 3); int m = 1; // 0x0F int w = 0, v = src0, l = 0; threeOpVex(ty, r, x, b, m, w, v, l, opcode); memoryModRM(offset, base, reg); } void twoByteOp_disp32(TwoByteOpcodeID opcode, int32_t offset, RegisterID base, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIfNeeded(reg, 0, base); m_buffer.putByteUnchecked(OP_2BYTE_ESCAPE); m_buffer.putByteUnchecked(opcode); memoryModRM_disp32(offset, base, reg); } void twoByteOpVex_disp32(VexOperandType ty, TwoByteOpcodeID opcode, int32_t offset, RegisterID base, XMMRegisterID src0, int reg) { int r = (reg >> 3), x = 0, b = (base >> 3); int m = 1; // 0x0F int w = 0, v = src0, l = 0; threeOpVex(ty, r, x, b, m, w, v, l, opcode); memoryModRM_disp32(offset, base, reg); } void twoByteOp(TwoByteOpcodeID opcode, int32_t offset, RegisterID base, RegisterID index, int scale, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIfNeeded(reg, index, base); m_buffer.putByteUnchecked(OP_2BYTE_ESCAPE); m_buffer.putByteUnchecked(opcode); memoryModRM(offset, base, index, scale, reg); } void twoByteOpVex(VexOperandType ty, TwoByteOpcodeID opcode, int32_t offset, RegisterID base, RegisterID index, int scale, XMMRegisterID src0, int reg) { int r = (reg >> 3), x = (index >> 3), b = (base >> 3); int m = 1; // 0x0F int w = 0, v = src0, l = 0; threeOpVex(ty, r, x, b, m, w, v, l, opcode); memoryModRM(offset, base, index, scale, reg); } void twoByteOp(TwoByteOpcodeID opcode, const void* address, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIfNeeded(reg, 0, 0); m_buffer.putByteUnchecked(OP_2BYTE_ESCAPE); m_buffer.putByteUnchecked(opcode); memoryModRM(address, reg); } void twoByteOpVex(VexOperandType ty, TwoByteOpcodeID opcode, const void* address, XMMRegisterID src0, int reg) { int r = (reg >> 3), x = 0, b = 0; int m = 1; // 0x0F int w = 0, v = src0, l = 0; threeOpVex(ty, r, x, b, m, w, v, l, opcode); memoryModRM(address, reg); } void threeByteOp(ThreeByteOpcodeID opcode, ThreeByteEscape escape, RegisterID rm, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIfNeeded(reg, 0, rm); m_buffer.putByteUnchecked(OP_2BYTE_ESCAPE); m_buffer.putByteUnchecked(escape); m_buffer.putByteUnchecked(opcode); registerModRM(rm, reg); } void threeByteOpVex(VexOperandType ty, ThreeByteOpcodeID opcode, ThreeByteEscape escape, RegisterID rm, XMMRegisterID src0, int reg) { int r = (reg >> 3), x = 0, b = (rm >> 3); int m = 0, w = 0, v = src0, l = 0; switch (escape) { case ESCAPE_38: m = 2; break; case ESCAPE_3A: m = 3; break; default: MOZ_CRASH("unexpected escape"); } threeOpVex(ty, r, x, b, m, w, v, l, opcode); registerModRM(rm, reg); } void threeByteOp(ThreeByteOpcodeID opcode, ThreeByteEscape escape, int32_t offset, RegisterID base, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIfNeeded(reg, 0, base); m_buffer.putByteUnchecked(OP_2BYTE_ESCAPE); m_buffer.putByteUnchecked(escape); m_buffer.putByteUnchecked(opcode); memoryModRM(offset, base, reg); } void threeByteOpVex(VexOperandType ty, ThreeByteOpcodeID opcode, ThreeByteEscape escape, int32_t offset, RegisterID base, XMMRegisterID src0, int reg) { int r = (reg >> 3), x = 0, b = (base >> 3); int m = 0, w = 0, v = src0, l = 0; switch (escape) { case ESCAPE_38: m = 2; break; case ESCAPE_3A: m = 3; break; default: MOZ_CRASH("unexpected escape"); } threeOpVex(ty, r, x, b, m, w, v, l, opcode); memoryModRM(offset, base, reg); } void threeByteOp(ThreeByteOpcodeID opcode, ThreeByteEscape escape, const void* address, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIfNeeded(reg, 0, 0); m_buffer.putByteUnchecked(OP_2BYTE_ESCAPE); m_buffer.putByteUnchecked(escape); m_buffer.putByteUnchecked(opcode); memoryModRM(address, reg); } void threeByteOpVex(VexOperandType ty, ThreeByteOpcodeID opcode, ThreeByteEscape escape, const void* address, XMMRegisterID src0, int reg) { int r = (reg >> 3), x = 0, b = 0; int m = 0, w = 0, v = src0, l = 0; switch (escape) { case ESCAPE_38: m = 2; break; case ESCAPE_3A: m = 3; break; default: MOZ_CRASH("unexpected escape"); } threeOpVex(ty, r, x, b, m, w, v, l, opcode); memoryModRM(address, reg); } void vblendvOpVex(VexOperandType ty, ThreeByteOpcodeID opcode, ThreeByteEscape escape, XMMRegisterID mask, RegisterID rm, XMMRegisterID src0, int reg) { int r = (reg >> 3), x = 0, b = (rm >> 3); int m = 0, w = 0, v = src0, l = 0; switch (escape) { case ESCAPE_38: m = 2; break; case ESCAPE_3A: m = 3; break; default: MOZ_CRASH("unexpected escape"); } threeOpVex(ty, r, x, b, m, w, v, l, opcode); registerModRM(rm, reg); immediate8u(mask << 4); } void vblendvOpVex(VexOperandType ty, ThreeByteOpcodeID opcode, ThreeByteEscape escape, XMMRegisterID mask, int32_t offset, RegisterID base, XMMRegisterID src0, int reg) { int r = (reg >> 3), x = 0, b = (base >> 3); int m = 0, w = 0, v = src0, l = 0; switch (escape) { case ESCAPE_38: m = 2; break; case ESCAPE_3A: m = 3; break; default: MOZ_CRASH("unexpected escape"); } threeOpVex(ty, r, x, b, m, w, v, l, opcode); memoryModRM(offset, base, reg); immediate8u(mask << 4); } #ifdef JS_CODEGEN_X64 // Quad-word-sized operands: // // Used to format 64-bit operantions, planting a REX.w prefix. When // planting d64 or f64 instructions, not requiring a REX.w prefix, the // normal (non-'64'-postfixed) formatters should be used. void oneByteOp64(OneByteOpcodeID opcode) { m_buffer.ensureSpace(MaxInstructionSize); emitRexW(0, 0, 0); m_buffer.putByteUnchecked(opcode); } void oneByteOp64(OneByteOpcodeID opcode, RegisterID reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexW(0, 0, reg); m_buffer.putByteUnchecked(opcode + (reg & 7)); } void oneByteOp64(OneByteOpcodeID opcode, RegisterID rm, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexW(reg, 0, rm); m_buffer.putByteUnchecked(opcode); registerModRM(rm, reg); } void oneByteOp64(OneByteOpcodeID opcode, int32_t offset, RegisterID base, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexW(reg, 0, base); m_buffer.putByteUnchecked(opcode); memoryModRM(offset, base, reg); } void oneByteOp64_disp32(OneByteOpcodeID opcode, int32_t offset, RegisterID base, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexW(reg, 0, base); m_buffer.putByteUnchecked(opcode); memoryModRM_disp32(offset, base, reg); } void oneByteOp64(OneByteOpcodeID opcode, int32_t offset, RegisterID base, RegisterID index, int scale, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexW(reg, index, base); m_buffer.putByteUnchecked(opcode); memoryModRM(offset, base, index, scale, reg); } void oneByteOp64(OneByteOpcodeID opcode, const void* address, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexW(reg, 0, 0); m_buffer.putByteUnchecked(opcode); memoryModRM(address, reg); } void twoByteOp64(TwoByteOpcodeID opcode, RegisterID rm, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexW(reg, 0, rm); m_buffer.putByteUnchecked(OP_2BYTE_ESCAPE); m_buffer.putByteUnchecked(opcode); registerModRM(rm, reg); } void twoByteOp64(TwoByteOpcodeID opcode, int offset, RegisterID base, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexW(reg, 0, base); m_buffer.putByteUnchecked(OP_2BYTE_ESCAPE); m_buffer.putByteUnchecked(opcode); memoryModRM(offset, base, reg); } void twoByteOp64(TwoByteOpcodeID opcode, int offset, RegisterID base, RegisterID index, int scale, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexW(reg, index, base); m_buffer.putByteUnchecked(OP_2BYTE_ESCAPE); m_buffer.putByteUnchecked(opcode); memoryModRM(offset, base, index, scale, reg); } void twoByteOp64(TwoByteOpcodeID opcode, const void* address, int reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexW(reg, 0, 0); m_buffer.putByteUnchecked(OP_2BYTE_ESCAPE); m_buffer.putByteUnchecked(opcode); memoryModRM(address, reg); } void twoByteOpVex64(VexOperandType ty, TwoByteOpcodeID opcode, RegisterID rm, XMMRegisterID src0, XMMRegisterID reg) { int r = (reg >> 3), x = 0, b = (rm >> 3); int m = 1; // 0x0F int w = 1, v = src0, l = 0; threeOpVex(ty, r, x, b, m, w, v, l, opcode); registerModRM(rm, reg); } #endif // Byte-operands: // // These methods format byte operations. Byte operations differ from // the normal formatters in the circumstances under which they will // decide to emit REX prefixes. These should be used where any register // operand signifies a byte register. // // The disctinction is due to the handling of register numbers in the // range 4..7 on x86-64. These register numbers may either represent // the second byte of the first four registers (ah..bh) or the first // byte of the second four registers (spl..dil). // // Address operands should still be checked using regRequiresRex(), // while byteRegRequiresRex() is provided to check byte register // operands. void oneByteOp8(OneByteOpcodeID opcode) { m_buffer.ensureSpace(MaxInstructionSize); m_buffer.putByteUnchecked(opcode); } void oneByteOp8(OneByteOpcodeID opcode, RegisterID r) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIf(byteRegRequiresRex(r), 0, 0, r); m_buffer.putByteUnchecked(opcode + (r & 7)); } void oneByteOp8(OneByteOpcodeID opcode, RegisterID rm, GroupOpcodeID groupOp) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIf(byteRegRequiresRex(rm), 0, 0, rm); m_buffer.putByteUnchecked(opcode); registerModRM(rm, groupOp); } // Like oneByteOp8, but never emits a REX prefix. void oneByteOp8_norex(OneByteOpcodeID opcode, HRegisterID rm, GroupOpcodeID groupOp) { MOZ_ASSERT(!regRequiresRex(RegisterID(rm))); m_buffer.ensureSpace(MaxInstructionSize); m_buffer.putByteUnchecked(opcode); registerModRM(RegisterID(rm), groupOp); } void oneByteOp8(OneByteOpcodeID opcode, int32_t offset, RegisterID base, RegisterID reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIf(byteRegRequiresRex(reg), reg, 0, base); m_buffer.putByteUnchecked(opcode); memoryModRM(offset, base, reg); } void oneByteOp8_disp32(OneByteOpcodeID opcode, int32_t offset, RegisterID base, RegisterID reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIf(byteRegRequiresRex(reg), reg, 0, base); m_buffer.putByteUnchecked(opcode); memoryModRM_disp32(offset, base, reg); } void oneByteOp8(OneByteOpcodeID opcode, int32_t offset, RegisterID base, RegisterID index, int scale, RegisterID reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIf(byteRegRequiresRex(reg), reg, index, base); m_buffer.putByteUnchecked(opcode); memoryModRM(offset, base, index, scale, reg); } void oneByteOp8(OneByteOpcodeID opcode, const void* address, RegisterID reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIf(byteRegRequiresRex(reg), reg, 0, 0); m_buffer.putByteUnchecked(opcode); memoryModRM_disp32(address, reg); } void twoByteOp8(TwoByteOpcodeID opcode, RegisterID rm, RegisterID reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIf(byteRegRequiresRex(reg)|byteRegRequiresRex(rm), reg, 0, rm); m_buffer.putByteUnchecked(OP_2BYTE_ESCAPE); m_buffer.putByteUnchecked(opcode); registerModRM(rm, reg); } void twoByteOp8(TwoByteOpcodeID opcode, int32_t offset, RegisterID base, RegisterID reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIf(byteRegRequiresRex(reg)|regRequiresRex(base), reg, 0, base); m_buffer.putByteUnchecked(OP_2BYTE_ESCAPE); m_buffer.putByteUnchecked(opcode); memoryModRM(offset, base, reg); } void twoByteOp8(TwoByteOpcodeID opcode, int32_t offset, RegisterID base, RegisterID index, int scale, RegisterID reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIf(byteRegRequiresRex(reg)|regRequiresRex(base)|regRequiresRex(index), reg, index, base); m_buffer.putByteUnchecked(OP_2BYTE_ESCAPE); m_buffer.putByteUnchecked(opcode); memoryModRM(offset, base, index, scale, reg); } // Like twoByteOp8 but doesn't add a REX prefix if the destination reg // is in esp..edi. This may be used when the destination is not an 8-bit // register (as in a movzbl instruction), so it doesn't need a REX // prefix to disambiguate it from ah..bh. void twoByteOp8_movx(TwoByteOpcodeID opcode, RegisterID rm, RegisterID reg) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIf(regRequiresRex(reg)|byteRegRequiresRex(rm), reg, 0, rm); m_buffer.putByteUnchecked(OP_2BYTE_ESCAPE); m_buffer.putByteUnchecked(opcode); registerModRM(rm, reg); } void twoByteOp8(TwoByteOpcodeID opcode, RegisterID rm, GroupOpcodeID groupOp) { m_buffer.ensureSpace(MaxInstructionSize); emitRexIf(byteRegRequiresRex(rm), 0, 0, rm); m_buffer.putByteUnchecked(OP_2BYTE_ESCAPE); m_buffer.putByteUnchecked(opcode); registerModRM(rm, groupOp); } // Immediates: // // An immedaite should be appended where appropriate after an op has // been emitted. The writes are unchecked since the opcode formatters // above will have ensured space. // A signed 8-bit immediate. MOZ_ALWAYS_INLINE void immediate8s(int32_t imm) { MOZ_ASSERT(CAN_SIGN_EXTEND_8_32(imm)); m_buffer.putByteUnchecked(imm); } // An unsigned 8-bit immediate. MOZ_ALWAYS_INLINE void immediate8u(uint32_t imm) { MOZ_ASSERT(CAN_ZERO_EXTEND_8_32(imm)); m_buffer.putByteUnchecked(int32_t(imm)); } // An 8-bit immediate with is either signed or unsigned, for use in // instructions which actually only operate on 8 bits. MOZ_ALWAYS_INLINE void immediate8(int32_t imm) { m_buffer.putByteUnchecked(imm); } // A signed 16-bit immediate. MOZ_ALWAYS_INLINE void immediate16s(int32_t imm) { MOZ_ASSERT(CAN_SIGN_EXTEND_16_32(imm)); m_buffer.putShortUnchecked(imm); } // An unsigned 16-bit immediate. MOZ_ALWAYS_INLINE void immediate16u(int32_t imm) { MOZ_ASSERT(CAN_ZERO_EXTEND_16_32(imm)); m_buffer.putShortUnchecked(imm); } // A 16-bit immediate with is either signed or unsigned, for use in // instructions which actually only operate on 16 bits. MOZ_ALWAYS_INLINE void immediate16(int32_t imm) { m_buffer.putShortUnchecked(imm); } MOZ_ALWAYS_INLINE void immediate32(int32_t imm) { m_buffer.putIntUnchecked(imm); } MOZ_ALWAYS_INLINE void immediate64(int64_t imm) { m_buffer.putInt64Unchecked(imm); } MOZ_ALWAYS_INLINE MOZ_MUST_USE JmpSrc immediateRel32() { m_buffer.putIntUnchecked(0); return JmpSrc(m_buffer.size()); } // Data: void jumpTablePointer(uintptr_t ptr) { m_buffer.ensureSpace(sizeof(uintptr_t)); #ifdef JS_CODEGEN_X64 m_buffer.putInt64Unchecked(ptr); #else m_buffer.putIntUnchecked(ptr); #endif } void doubleConstant(double d) { m_buffer.ensureSpace(sizeof(double)); m_buffer.putInt64Unchecked(mozilla::BitwiseCast<uint64_t>(d)); } void floatConstant(float f) { m_buffer.ensureSpace(sizeof(float)); m_buffer.putIntUnchecked(mozilla::BitwiseCast<uint32_t>(f)); } void simd128Constant(const void* data) { const uint8_t* bytes = reinterpret_cast<const uint8_t*>(data); m_buffer.ensureSpace(16); for (size_t i = 0; i < 16; ++i) m_buffer.putByteUnchecked(bytes[i]); } void int64Constant(int64_t i) { m_buffer.ensureSpace(sizeof(int64_t)); m_buffer.putInt64Unchecked(i); } void int32Constant(int32_t i) { m_buffer.ensureSpace(sizeof(int32_t)); m_buffer.putIntUnchecked(i); } // Administrative methods: size_t size() const { return m_buffer.size(); } const unsigned char* buffer() const { return m_buffer.buffer(); } bool oom() const { return m_buffer.oom(); } bool isAligned(int alignment) const { return m_buffer.isAligned(alignment); } unsigned char* data() { return m_buffer.data(); } MOZ_MUST_USE bool append(const unsigned char* values, size_t size) { return m_buffer.append(values, size); } void unprotectDataRegion(size_t firstByteOffset, size_t lastByteOffset) { m_buffer.unprotectDataRegion(firstByteOffset, lastByteOffset); } void reprotectDataRegion(size_t firstByteOffset, size_t lastByteOffset) { m_buffer.reprotectDataRegion(firstByteOffset, lastByteOffset); } private: // Internals; ModRm and REX formatters. // Byte operand register spl & above requir a REX prefix, which precludes // use of the h registers in the same instruction. static bool byteRegRequiresRex(RegisterID reg) { #ifdef JS_CODEGEN_X64 return reg >= rsp; #else return false; #endif } // For non-byte sizes, registers r8 & above always require a REX prefix. static bool regRequiresRex(RegisterID reg) { #ifdef JS_CODEGEN_X64 return reg >= r8; #else return false; #endif } #ifdef JS_CODEGEN_X64 // Format a REX prefix byte. void emitRex(bool w, int r, int x, int b) { m_buffer.putByteUnchecked(PRE_REX | ((int)w << 3) | ((r>>3)<<2) | ((x>>3)<<1) | (b>>3)); } // Used to plant a REX byte with REX.w set (for 64-bit operations). void emitRexW(int r, int x, int b) { emitRex(true, r, x, b); } // Used for operations with byte operands - use byteRegRequiresRex() to // check register operands, regRequiresRex() to check other registers // (i.e. address base & index). // // NB: WebKit's use of emitRexIf() is limited such that the // reqRequiresRex() checks are not needed. SpiderMonkey extends // oneByteOp8 and twoByteOp8 functionality such that r, x, and b // can all be used. void emitRexIf(bool condition, int r, int x, int b) { if (condition || regRequiresRex(RegisterID(r)) || regRequiresRex(RegisterID(x)) || regRequiresRex(RegisterID(b))) { emitRex(false, r, x, b); } } // Used for word sized operations, will plant a REX prefix if necessary // (if any register is r8 or above). void emitRexIfNeeded(int r, int x, int b) { emitRexIf(false, r, x, b); } #else // No REX prefix bytes on 32-bit x86. void emitRexIf(bool condition, int, int, int) { MOZ_ASSERT(!condition, "32-bit x86 should never use a REX prefix"); } void emitRexIfNeeded(int, int, int) {} #endif void putModRm(ModRmMode mode, RegisterID rm, int reg) { m_buffer.putByteUnchecked((mode << 6) | ((reg & 7) << 3) | (rm & 7)); } void putModRmSib(ModRmMode mode, RegisterID base, RegisterID index, int scale, int reg) { MOZ_ASSERT(mode != ModRmRegister); putModRm(mode, hasSib, reg); m_buffer.putByteUnchecked((scale << 6) | ((index & 7) << 3) | (base & 7)); } void registerModRM(RegisterID rm, int reg) { putModRm(ModRmRegister, rm, reg); } void memoryModRM(int32_t offset, RegisterID base, int reg) { // A base of esp or r12 would be interpreted as a sib, so force a // sib with no index & put the base in there. #ifdef JS_CODEGEN_X64 if ((base == hasSib) || (base == hasSib2)) #else if (base == hasSib) #endif { if (!offset) // No need to check if the base is noBase, since we know it is hasSib! putModRmSib(ModRmMemoryNoDisp, base, noIndex, 0, reg); else if (CAN_SIGN_EXTEND_8_32(offset)) { putModRmSib(ModRmMemoryDisp8, base, noIndex, 0, reg); m_buffer.putByteUnchecked(offset); } else { putModRmSib(ModRmMemoryDisp32, base, noIndex, 0, reg); m_buffer.putIntUnchecked(offset); } } else { #ifdef JS_CODEGEN_X64 if (!offset && (base != noBase) && (base != noBase2)) #else if (!offset && (base != noBase)) #endif putModRm(ModRmMemoryNoDisp, base, reg); else if (CAN_SIGN_EXTEND_8_32(offset)) { putModRm(ModRmMemoryDisp8, base, reg); m_buffer.putByteUnchecked(offset); } else { putModRm(ModRmMemoryDisp32, base, reg); m_buffer.putIntUnchecked(offset); } } } void memoryModRM_disp32(int32_t offset, RegisterID base, int reg) { // A base of esp or r12 would be interpreted as a sib, so force a // sib with no index & put the base in there. #ifdef JS_CODEGEN_X64 if ((base == hasSib) || (base == hasSib2)) #else if (base == hasSib) #endif { putModRmSib(ModRmMemoryDisp32, base, noIndex, 0, reg); m_buffer.putIntUnchecked(offset); } else { putModRm(ModRmMemoryDisp32, base, reg); m_buffer.putIntUnchecked(offset); } } void memoryModRM(int32_t offset, RegisterID base, RegisterID index, int scale, int reg) { MOZ_ASSERT(index != noIndex); #ifdef JS_CODEGEN_X64 if (!offset && (base != noBase) && (base != noBase2)) #else if (!offset && (base != noBase)) #endif putModRmSib(ModRmMemoryNoDisp, base, index, scale, reg); else if (CAN_SIGN_EXTEND_8_32(offset)) { putModRmSib(ModRmMemoryDisp8, base, index, scale, reg); m_buffer.putByteUnchecked(offset); } else { putModRmSib(ModRmMemoryDisp32, base, index, scale, reg); m_buffer.putIntUnchecked(offset); } } void memoryModRM_disp32(int32_t offset, RegisterID index, int scale, int reg) { MOZ_ASSERT(index != noIndex); // NB: the base-less memoryModRM overloads generate different code // then the base-full memoryModRM overloads in the base == noBase // case. The base-less overloads assume that the desired effective // address is: // // reg := [scaled index] + disp32 // // which means the mod needs to be ModRmMemoryNoDisp. The base-full // overloads pass ModRmMemoryDisp32 in all cases and thus, when // base == noBase (== ebp), the effective address is: // // reg := [scaled index] + disp32 + [ebp] // // See Intel developer manual, Vol 2, 2.1.5, Table 2-3. putModRmSib(ModRmMemoryNoDisp, noBase, index, scale, reg); m_buffer.putIntUnchecked(offset); } void memoryModRM_disp32(const void* address, int reg) { int32_t disp = AddressImmediate(address); #ifdef JS_CODEGEN_X64 // On x64-64, non-RIP-relative absolute mode requires a SIB. putModRmSib(ModRmMemoryNoDisp, noBase, noIndex, 0, reg); #else // noBase + ModRmMemoryNoDisp means noBase + ModRmMemoryDisp32! putModRm(ModRmMemoryNoDisp, noBase, reg); #endif m_buffer.putIntUnchecked(disp); } void memoryModRM(const void* address, int reg) { memoryModRM_disp32(address, reg); } void threeOpVex(VexOperandType p, int r, int x, int b, int m, int w, int v, int l, int opcode) { m_buffer.ensureSpace(MaxInstructionSize); if (v == invalid_xmm) v = XMMRegisterID(0); if (x == 0 && b == 0 && m == 1 && w == 0) { // Two byte VEX. m_buffer.putByteUnchecked(PRE_VEX_C5); m_buffer.putByteUnchecked(((r << 7) | (v << 3) | (l << 2) | p) ^ 0xf8); } else { // Three byte VEX. m_buffer.putByteUnchecked(PRE_VEX_C4); m_buffer.putByteUnchecked(((r << 7) | (x << 6) | (b << 5) | m) ^ 0xe0); m_buffer.putByteUnchecked(((w << 7) | (v << 3) | (l << 2) | p) ^ 0x78); } m_buffer.putByteUnchecked(opcode); } AssemblerBuffer m_buffer; } m_formatter; bool useVEX_; }; MOZ_ALWAYS_INLINE AutoUnprotectAssemblerBufferRegion::AutoUnprotectAssemblerBufferRegion(BaseAssembler& holder, int32_t offset, size_t size) { assembler = &holder; MOZ_ASSERT(offset >= 0); firstByteOffset = size_t(offset); lastByteOffset = firstByteOffset + (size - 1); assembler->unprotectDataRegion(firstByteOffset, lastByteOffset); } MOZ_ALWAYS_INLINE AutoUnprotectAssemblerBufferRegion::~AutoUnprotectAssemblerBufferRegion() { assembler->reprotectDataRegion(firstByteOffset, lastByteOffset); } } // namespace X86Encoding } // namespace jit } // namespace js #endif /* jit_x86_shared_BaseAssembler_x86_shared_h */