diff options
Diffstat (limited to 'media/ffvpx/libavutil/x86/x86inc.asm')
| -rw-r--r-- | media/ffvpx/libavutil/x86/x86inc.asm | 266 |
1 files changed, 204 insertions, 62 deletions
diff --git a/media/ffvpx/libavutil/x86/x86inc.asm b/media/ffvpx/libavutil/x86/x86inc.asm index 6a054a3e0..5044ee86f 100644 --- a/media/ffvpx/libavutil/x86/x86inc.asm +++ b/media/ffvpx/libavutil/x86/x86inc.asm @@ -1,12 +1,12 @@ ;***************************************************************************** ;* x86inc.asm: x264asm abstraction layer ;***************************************************************************** -;* Copyright (C) 2005-2017 x264 project +;* Copyright (C) 2005-2018 x264 project ;* ;* Authors: Loren Merritt <lorenm@u.washington.edu> +;* Henrik Gramner <henrik@gramner.com> ;* Anton Mitrofanov <BugMaster@narod.ru> ;* Fiona Glaser <fiona@x264.com> -;* Henrik Gramner <henrik@gramner.com> ;* ;* Permission to use, copy, modify, and/or distribute this software for any ;* purpose with or without fee is hereby granted, provided that the above @@ -90,6 +90,10 @@ SECTION .text %elifidn __OUTPUT_FORMAT__,coff SECTION .text + %elifidn __OUTPUT_FORMAT__,win32 + SECTION .rdata align=%1 + %elif WIN64 + SECTION .rdata align=%1 %else SECTION .rodata align=%1 %endif @@ -337,6 +341,8 @@ DECLARE_REG_TMP_SIZE 0,1,2,3,4,5,6,7,8,9,10,11,12,13,14 %endmacro %define required_stack_alignment ((mmsize + 15) & ~15) +%define vzeroupper_required (mmsize > 16 && (ARCH_X86_64 == 0 || xmm_regs_used > 16 || notcpuflag(avx512))) +%define high_mm_regs (16*cpuflag(avx512)) %macro ALLOC_STACK 1-2 0 ; stack_size, n_xmm_regs (for win64 only) %ifnum %1 @@ -450,15 +456,16 @@ DECLARE_REG 14, R13, 120 %macro WIN64_PUSH_XMM 0 ; Use the shadow space to store XMM6 and XMM7, the rest needs stack space allocated. - %if xmm_regs_used > 6 + %if xmm_regs_used > 6 + high_mm_regs movaps [rstk + stack_offset + 8], xmm6 %endif - %if xmm_regs_used > 7 + %if xmm_regs_used > 7 + high_mm_regs movaps [rstk + stack_offset + 24], xmm7 %endif - %if xmm_regs_used > 8 + %assign %%xmm_regs_on_stack xmm_regs_used - high_mm_regs - 8 + %if %%xmm_regs_on_stack > 0 %assign %%i 8 - %rep xmm_regs_used-8 + %rep %%xmm_regs_on_stack movaps [rsp + (%%i-8)*16 + stack_size + 32], xmm %+ %%i %assign %%i %%i+1 %endrep @@ -467,10 +474,11 @@ DECLARE_REG 14, R13, 120 %macro WIN64_SPILL_XMM 1 %assign xmm_regs_used %1 - ASSERT xmm_regs_used <= 16 - %if xmm_regs_used > 8 + ASSERT xmm_regs_used <= 16 + high_mm_regs + %assign %%xmm_regs_on_stack xmm_regs_used - high_mm_regs - 8 + %if %%xmm_regs_on_stack > 0 ; Allocate stack space for callee-saved xmm registers plus shadow space and align the stack. - %assign %%pad (xmm_regs_used-8)*16 + 32 + %assign %%pad %%xmm_regs_on_stack*16 + 32 %assign stack_size_padded %%pad + ((-%%pad-stack_offset-gprsize) & (STACK_ALIGNMENT-1)) SUB rsp, stack_size_padded %endif @@ -479,9 +487,10 @@ DECLARE_REG 14, R13, 120 %macro WIN64_RESTORE_XMM_INTERNAL 0 %assign %%pad_size 0 - %if xmm_regs_used > 8 - %assign %%i xmm_regs_used - %rep xmm_regs_used-8 + %assign %%xmm_regs_on_stack xmm_regs_used - high_mm_regs - 8 + %if %%xmm_regs_on_stack > 0 + %assign %%i xmm_regs_used - high_mm_regs + %rep %%xmm_regs_on_stack %assign %%i %%i-1 movaps xmm %+ %%i, [rsp + (%%i-8)*16 + stack_size + 32] %endrep @@ -494,10 +503,10 @@ DECLARE_REG 14, R13, 120 %assign %%pad_size stack_size_padded %endif %endif - %if xmm_regs_used > 7 + %if xmm_regs_used > 7 + high_mm_regs movaps xmm7, [rsp + stack_offset - %%pad_size + 24] %endif - %if xmm_regs_used > 6 + %if xmm_regs_used > 6 + high_mm_regs movaps xmm6, [rsp + stack_offset - %%pad_size + 8] %endif %endmacro @@ -509,12 +518,12 @@ DECLARE_REG 14, R13, 120 %assign xmm_regs_used 0 %endmacro -%define has_epilogue regs_used > 7 || xmm_regs_used > 6 || mmsize == 32 || stack_size > 0 +%define has_epilogue regs_used > 7 || stack_size > 0 || vzeroupper_required || xmm_regs_used > 6+high_mm_regs %macro RET 0 WIN64_RESTORE_XMM_INTERNAL POP_IF_USED 14, 13, 12, 11, 10, 9, 8, 7 - %if mmsize == 32 + %if vzeroupper_required vzeroupper %endif AUTO_REP_RET @@ -538,9 +547,10 @@ DECLARE_REG 12, R15, 56 DECLARE_REG 13, R12, 64 DECLARE_REG 14, R13, 72 -%macro PROLOGUE 2-5+ ; #args, #regs, #xmm_regs, [stack_size,] arg_names... +%macro PROLOGUE 2-5+ 0 ; #args, #regs, #xmm_regs, [stack_size,] arg_names... %assign num_args %1 %assign regs_used %2 + %assign xmm_regs_used %3 ASSERT regs_used >= num_args SETUP_STACK_POINTER %4 ASSERT regs_used <= 15 @@ -550,7 +560,7 @@ DECLARE_REG 14, R13, 72 DEFINE_ARGS_INTERNAL %0, %4, %5 %endmacro -%define has_epilogue regs_used > 9 || mmsize == 32 || stack_size > 0 +%define has_epilogue regs_used > 9 || stack_size > 0 || vzeroupper_required %macro RET 0 %if stack_size_padded > 0 @@ -561,7 +571,7 @@ DECLARE_REG 14, R13, 72 %endif %endif POP_IF_USED 14, 13, 12, 11, 10, 9 - %if mmsize == 32 + %if vzeroupper_required vzeroupper %endif AUTO_REP_RET @@ -606,7 +616,7 @@ DECLARE_ARG 7, 8, 9, 10, 11, 12, 13, 14 DEFINE_ARGS_INTERNAL %0, %4, %5 %endmacro -%define has_epilogue regs_used > 3 || mmsize == 32 || stack_size > 0 +%define has_epilogue regs_used > 3 || stack_size > 0 || vzeroupper_required %macro RET 0 %if stack_size_padded > 0 @@ -617,7 +627,7 @@ DECLARE_ARG 7, 8, 9, 10, 11, 12, 13, 14 %endif %endif POP_IF_USED 6, 5, 4, 3 - %if mmsize == 32 + %if vzeroupper_required vzeroupper %endif AUTO_REP_RET @@ -727,12 +737,22 @@ BRANCH_INSTR jz, je, jnz, jne, jl, jle, jnl, jnle, jg, jge, jng, jnge, ja, jae, %assign stack_offset 0 ; stack pointer offset relative to the return address %assign stack_size 0 ; amount of stack space that can be freely used inside a function %assign stack_size_padded 0 ; total amount of allocated stack space, including space for callee-saved xmm registers on WIN64 and alignment padding - %assign xmm_regs_used 0 ; number of XMM registers requested, used for dealing with callee-saved registers on WIN64 + %assign xmm_regs_used 0 ; number of XMM registers requested, used for dealing with callee-saved registers on WIN64 and vzeroupper %ifnidn %3, "" PROLOGUE %3 %endif %endmacro +; Create a global symbol from a local label with the correct name mangling and type +%macro cglobal_label 1 + %if FORMAT_ELF + global current_function %+ %1:function hidden + %else + global current_function %+ %1 + %endif + %1: +%endmacro + %macro cextern 1 %xdefine %1 mangle(private_prefix %+ _ %+ %1) CAT_XDEFINE cglobaled_, %1, 1 @@ -803,10 +823,10 @@ BRANCH_INSTR jz, je, jnz, jne, jl, jle, jnl, jnle, jg, jge, jng, jnge, ja, jae, %assign cpuflags_bmi1 (1<<17)| cpuflags_avx|cpuflags_lzcnt %assign cpuflags_bmi2 (1<<18)| cpuflags_bmi1 %assign cpuflags_avx2 (1<<19)| cpuflags_fma3|cpuflags_bmi2 +%assign cpuflags_avx512 (1<<20)| cpuflags_avx2 ; F, CD, BW, DQ, VL -%assign cpuflags_cache32 (1<<20) -%assign cpuflags_cache64 (1<<21) -%assign cpuflags_slowctz (1<<22) +%assign cpuflags_cache32 (1<<21) +%assign cpuflags_cache64 (1<<22) %assign cpuflags_aligned (1<<23) ; not a cpu feature, but a function variant %assign cpuflags_atom (1<<24) @@ -856,11 +876,12 @@ BRANCH_INSTR jz, je, jnz, jne, jl, jle, jnl, jnle, jg, jge, jng, jnge, ja, jae, %endif %endmacro -; Merge mmx and sse* +; Merge mmx, sse*, and avx* ; m# is a simd register of the currently selected size ; xm# is the corresponding xmm register if mmsize >= 16, otherwise the same as m# ; ym# is the corresponding ymm register if mmsize >= 32, otherwise the same as m# -; (All 3 remain in sync through SWAP.) +; zm# is the corresponding zmm register if mmsize >= 64, otherwise the same as m# +; (All 4 remain in sync through SWAP.) %macro CAT_XDEFINE 3 %xdefine %1%2 %3 @@ -870,69 +891,99 @@ BRANCH_INSTR jz, je, jnz, jne, jl, jle, jnl, jnle, jg, jge, jng, jnge, ja, jae, %undef %1%2 %endmacro +%macro DEFINE_MMREGS 1 ; mmtype + %assign %%prev_mmregs 0 + %ifdef num_mmregs + %assign %%prev_mmregs num_mmregs + %endif + + %assign num_mmregs 8 + %if ARCH_X86_64 && mmsize >= 16 + %assign num_mmregs 16 + %if cpuflag(avx512) || mmsize == 64 + %assign num_mmregs 32 + %endif + %endif + + %assign %%i 0 + %rep num_mmregs + CAT_XDEFINE m, %%i, %1 %+ %%i + CAT_XDEFINE nn%1, %%i, %%i + %assign %%i %%i+1 + %endrep + %if %%prev_mmregs > num_mmregs + %rep %%prev_mmregs - num_mmregs + CAT_UNDEF m, %%i + CAT_UNDEF nn %+ mmtype, %%i + %assign %%i %%i+1 + %endrep + %endif + %xdefine mmtype %1 +%endmacro + +; Prefer registers 16-31 over 0-15 to avoid having to use vzeroupper +%macro AVX512_MM_PERMUTATION 0-1 0 ; start_reg + %if ARCH_X86_64 && cpuflag(avx512) + %assign %%i %1 + %rep 16-%1 + %assign %%i_high %%i+16 + SWAP %%i, %%i_high + %assign %%i %%i+1 + %endrep + %endif +%endmacro + %macro INIT_MMX 0-1+ %assign avx_enabled 0 %define RESET_MM_PERMUTATION INIT_MMX %1 %define mmsize 8 - %define num_mmregs 8 %define mova movq %define movu movq %define movh movd %define movnta movntq - %assign %%i 0 - %rep 8 - CAT_XDEFINE m, %%i, mm %+ %%i - CAT_XDEFINE nnmm, %%i, %%i - %assign %%i %%i+1 - %endrep - %rep 8 - CAT_UNDEF m, %%i - CAT_UNDEF nnmm, %%i - %assign %%i %%i+1 - %endrep INIT_CPUFLAGS %1 + DEFINE_MMREGS mm %endmacro %macro INIT_XMM 0-1+ %assign avx_enabled 0 %define RESET_MM_PERMUTATION INIT_XMM %1 %define mmsize 16 - %define num_mmregs 8 - %if ARCH_X86_64 - %define num_mmregs 16 - %endif %define mova movdqa %define movu movdqu %define movh movq %define movnta movntdq - %assign %%i 0 - %rep num_mmregs - CAT_XDEFINE m, %%i, xmm %+ %%i - CAT_XDEFINE nnxmm, %%i, %%i - %assign %%i %%i+1 - %endrep INIT_CPUFLAGS %1 + DEFINE_MMREGS xmm + %if WIN64 + AVX512_MM_PERMUTATION 6 ; Swap callee-saved registers with volatile registers + %endif %endmacro %macro INIT_YMM 0-1+ %assign avx_enabled 1 %define RESET_MM_PERMUTATION INIT_YMM %1 %define mmsize 32 - %define num_mmregs 8 - %if ARCH_X86_64 - %define num_mmregs 16 - %endif %define mova movdqa %define movu movdqu %undef movh %define movnta movntdq - %assign %%i 0 - %rep num_mmregs - CAT_XDEFINE m, %%i, ymm %+ %%i - CAT_XDEFINE nnymm, %%i, %%i - %assign %%i %%i+1 - %endrep INIT_CPUFLAGS %1 + DEFINE_MMREGS ymm + AVX512_MM_PERMUTATION +%endmacro + +%macro INIT_ZMM 0-1+ + %assign avx_enabled 1 + %define RESET_MM_PERMUTATION INIT_ZMM %1 + %define mmsize 64 + %define mova movdqa + %define movu movdqu + %undef movh + %define movnta movntdq + INIT_CPUFLAGS %1 + DEFINE_MMREGS zmm + AVX512_MM_PERMUTATION %endmacro INIT_XMM @@ -941,18 +992,26 @@ INIT_XMM %define mmmm%1 mm%1 %define mmxmm%1 mm%1 %define mmymm%1 mm%1 + %define mmzmm%1 mm%1 %define xmmmm%1 mm%1 %define xmmxmm%1 xmm%1 %define xmmymm%1 xmm%1 + %define xmmzmm%1 xmm%1 %define ymmmm%1 mm%1 %define ymmxmm%1 xmm%1 %define ymmymm%1 ymm%1 + %define ymmzmm%1 ymm%1 + %define zmmmm%1 mm%1 + %define zmmxmm%1 xmm%1 + %define zmmymm%1 ymm%1 + %define zmmzmm%1 zmm%1 %define xm%1 xmm %+ m%1 %define ym%1 ymm %+ m%1 + %define zm%1 zmm %+ m%1 %endmacro %assign i 0 -%rep 16 +%rep 32 DECLARE_MMCAST i %assign i i+1 %endrep @@ -1087,12 +1146,17 @@ INIT_XMM ;============================================================================= %assign i 0 -%rep 16 +%rep 32 %if i < 8 CAT_XDEFINE sizeofmm, i, 8 + CAT_XDEFINE regnumofmm, i, i %endif CAT_XDEFINE sizeofxmm, i, 16 CAT_XDEFINE sizeofymm, i, 32 + CAT_XDEFINE sizeofzmm, i, 64 + CAT_XDEFINE regnumofxmm, i, i + CAT_XDEFINE regnumofymm, i, i + CAT_XDEFINE regnumofzmm, i, i %assign i i+1 %endrep %undef i @@ -1209,7 +1273,7 @@ INIT_XMM %endmacro %endmacro -; Instructions with both VEX and non-VEX encodings +; Instructions with both VEX/EVEX and legacy encodings ; Non-destructive instructions are written without parameters AVX_INSTR addpd, sse2, 1, 0, 1 AVX_INSTR addps, sse, 1, 0, 1 @@ -1231,10 +1295,42 @@ AVX_INSTR blendpd, sse4, 1, 1, 0 AVX_INSTR blendps, sse4, 1, 1, 0 AVX_INSTR blendvpd, sse4 ; can't be emulated AVX_INSTR blendvps, sse4 ; can't be emulated +AVX_INSTR cmpeqpd, sse2, 1, 0, 1 +AVX_INSTR cmpeqps, sse, 1, 0, 1 +AVX_INSTR cmpeqsd, sse2, 1, 0, 0 +AVX_INSTR cmpeqss, sse, 1, 0, 0 +AVX_INSTR cmplepd, sse2, 1, 0, 0 +AVX_INSTR cmpleps, sse, 1, 0, 0 +AVX_INSTR cmplesd, sse2, 1, 0, 0 +AVX_INSTR cmpless, sse, 1, 0, 0 +AVX_INSTR cmpltpd, sse2, 1, 0, 0 +AVX_INSTR cmpltps, sse, 1, 0, 0 +AVX_INSTR cmpltsd, sse2, 1, 0, 0 +AVX_INSTR cmpltss, sse, 1, 0, 0 +AVX_INSTR cmpneqpd, sse2, 1, 0, 1 +AVX_INSTR cmpneqps, sse, 1, 0, 1 +AVX_INSTR cmpneqsd, sse2, 1, 0, 0 +AVX_INSTR cmpneqss, sse, 1, 0, 0 +AVX_INSTR cmpnlepd, sse2, 1, 0, 0 +AVX_INSTR cmpnleps, sse, 1, 0, 0 +AVX_INSTR cmpnlesd, sse2, 1, 0, 0 +AVX_INSTR cmpnless, sse, 1, 0, 0 +AVX_INSTR cmpnltpd, sse2, 1, 0, 0 +AVX_INSTR cmpnltps, sse, 1, 0, 0 +AVX_INSTR cmpnltsd, sse2, 1, 0, 0 +AVX_INSTR cmpnltss, sse, 1, 0, 0 +AVX_INSTR cmpordpd, sse2 1, 0, 1 +AVX_INSTR cmpordps, sse 1, 0, 1 +AVX_INSTR cmpordsd, sse2 1, 0, 0 +AVX_INSTR cmpordss, sse 1, 0, 0 AVX_INSTR cmppd, sse2, 1, 1, 0 AVX_INSTR cmpps, sse, 1, 1, 0 AVX_INSTR cmpsd, sse2, 1, 1, 0 AVX_INSTR cmpss, sse, 1, 1, 0 +AVX_INSTR cmpunordpd, sse2, 1, 0, 1 +AVX_INSTR cmpunordps, sse, 1, 0, 1 +AVX_INSTR cmpunordsd, sse2, 1, 0, 0 +AVX_INSTR cmpunordss, sse, 1, 0, 0 AVX_INSTR comisd, sse2 AVX_INSTR comiss, sse AVX_INSTR cvtdq2pd, sse2 @@ -1545,6 +1641,52 @@ FMA4_INSTR fmsubadd, pd, ps FMA4_INSTR fnmadd, pd, ps, sd, ss FMA4_INSTR fnmsub, pd, ps, sd, ss +; Macros for converting VEX instructions to equivalent EVEX ones. +%macro EVEX_INSTR 2-3 0 ; vex, evex, prefer_evex + %macro %1 2-7 fnord, fnord, %1, %2, %3 + %ifidn %3, fnord + %define %%args %1, %2 + %elifidn %4, fnord + %define %%args %1, %2, %3 + %else + %define %%args %1, %2, %3, %4 + %endif + %assign %%evex_required cpuflag(avx512) & %7 + %ifnum regnumof%1 + %if regnumof%1 >= 16 || sizeof%1 > 32 + %assign %%evex_required 1 + %endif + %endif + %ifnum regnumof%2 + %if regnumof%2 >= 16 || sizeof%2 > 32 + %assign %%evex_required 1 + %endif + %endif + %if %%evex_required + %6 %%args + %else + %5 %%args ; Prefer VEX over EVEX due to shorter instruction length + %endif + %endmacro +%endmacro + +EVEX_INSTR vbroadcastf128, vbroadcastf32x4 +EVEX_INSTR vbroadcasti128, vbroadcasti32x4 +EVEX_INSTR vextractf128, vextractf32x4 +EVEX_INSTR vextracti128, vextracti32x4 +EVEX_INSTR vinsertf128, vinsertf32x4 +EVEX_INSTR vinserti128, vinserti32x4 +EVEX_INSTR vmovdqa, vmovdqa32 +EVEX_INSTR vmovdqu, vmovdqu32 +EVEX_INSTR vpand, vpandd +EVEX_INSTR vpandn, vpandnd +EVEX_INSTR vpor, vpord +EVEX_INSTR vpxor, vpxord +EVEX_INSTR vrcpps, vrcp14ps, 1 ; EVEX versions have higher precision +EVEX_INSTR vrcpss, vrcp14ss, 1 +EVEX_INSTR vrsqrtps, vrsqrt14ps, 1 +EVEX_INSTR vrsqrtss, vrsqrt14ss, 1 + ; workaround: vpbroadcastq is broken in x86_32 due to a yasm bug (fixed in 1.3.0) %ifdef __YASM_VER__ %if __YASM_VERSION_ID__ < 0x01030000 && ARCH_X86_64 == 0 |