1 files changed, 108 insertions, 0 deletions
diff --git a/js/src/jit/mips-shared/Lowering-mips-shared.h b/js/src/jit/mips-shared/Lowering-mips-shared.h
new file mode 100644
index 000000000..a92addfe3
--- /dev/null
+++ b/js/src/jit/mips-shared/Lowering-mips-shared.h
@@ -0,0 +1,108 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
+ * vim: set ts=8 sts=4 et sw=4 tw=99:
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef jit_mips_shared_Lowering_mips_shared_h
+#define jit_mips_shared_Lowering_mips_shared_h
+
+#include "jit/shared/Lowering-shared.h"
+
+namespace js {
+namespace jit {
+
+class LIRGeneratorMIPSShared : public LIRGeneratorShared
+{
+  protected:
+    LIRGeneratorMIPSShared(MIRGenerator* gen, MIRGraph& graph, LIRGraph& lirGraph)
+      : LIRGeneratorShared(gen, graph, lirGraph)
+    { }
+
+  protected:
+    // x86 has constraints on what registers can be formatted for 1-byte
+    // stores and loads; on MIPS all registers are okay.
+    LAllocation useByteOpRegister(MDefinition* mir);
+    LAllocation useByteOpRegisterAtStart(MDefinition* mir);
+    LAllocation useByteOpRegisterOrNonDoubleConstant(MDefinition* mir);
+    LDefinition tempByteOpRegister();
+
+    bool needTempForPostBarrier() { return false; }
+
+    void lowerForShift(LInstructionHelper<1, 2, 0>* ins, MDefinition* mir, MDefinition* lhs,
+                       MDefinition* rhs);
+    void lowerUrshD(MUrsh* mir);
+
+    void lowerForALU(LInstructionHelper<1, 1, 0>* ins, MDefinition* mir,
+                     MDefinition* input);
+    void lowerForALU(LInstructionHelper<1, 2, 0>* ins, MDefinition* mir,
+                     MDefinition* lhs, MDefinition* rhs);
+
+    void lowerForALUInt64(LInstructionHelper<INT64_PIECES, 2 * INT64_PIECES, 0>* ins,
+                          MDefinition* mir, MDefinition* lhs, MDefinition* rhs);
+    void lowerForMulInt64(LMulI64* ins, MMul* mir, MDefinition* lhs, MDefinition* rhs);
+    template<size_t Temps>
+    void lowerForShiftInt64(LInstructionHelper<INT64_PIECES, INT64_PIECES + 1, Temps>* ins,
+                            MDefinition* mir, MDefinition* lhs, MDefinition* rhs);
+
+    void lowerForFPU(LInstructionHelper<1, 1, 0>* ins, MDefinition* mir,
+                     MDefinition* src);
+    template<size_t Temps>
+    void lowerForFPU(LInstructionHelper<1, 2, Temps>* ins, MDefinition* mir,
+                     MDefinition* lhs, MDefinition* rhs);
+
+    void lowerForCompIx4(LSimdBinaryCompIx4* ins, MSimdBinaryComp* mir,
+                         MDefinition* lhs, MDefinition* rhs)
+    {
+        return lowerForFPU(ins, mir, lhs, rhs);
+    }
+    void lowerForCompFx4(LSimdBinaryCompFx4* ins, MSimdBinaryComp* mir,
+                         MDefinition* lhs, MDefinition* rhs)
+    {
+        return lowerForFPU(ins, mir, lhs, rhs);
+    }
+
+    void lowerForBitAndAndBranch(LBitAndAndBranch* baab, MInstruction* mir,
+                                 MDefinition* lhs, MDefinition* rhs);
+    void lowerDivI(MDiv* div);
+    void lowerModI(MMod* mod);
+    void lowerMulI(MMul* mul, MDefinition* lhs, MDefinition* rhs);
+    void lowerUDiv(MDiv* div);
+    void lowerUMod(MMod* mod);
+    void visitPowHalf(MPowHalf* ins);
+    void visitAsmJSNeg(MAsmJSNeg* ins);
+    void visitWasmLoad(MWasmLoad* ins);
+    void visitWasmStore(MWasmStore* ins);
+    void visitWasmSelect(MWasmSelect* ins);
+
+    LTableSwitch* newLTableSwitch(const LAllocation& in, const LDefinition& inputCopy,
+                                  MTableSwitch* ins);
+    LTableSwitchV* newLTableSwitchV(MTableSwitch* ins);
+
+  public:
+    void lowerPhi(MPhi* phi);
+    void visitGuardShape(MGuardShape* ins);
+    void visitGuardObjectGroup(MGuardObjectGroup* ins);
+    void visitWasmUnsignedToDouble(MWasmUnsignedToDouble* ins);
+    void visitWasmUnsignedToFloat32(MWasmUnsignedToFloat32* ins);
+    void visitAsmJSLoadHeap(MAsmJSLoadHeap* ins);
+    void visitAsmJSStoreHeap(MAsmJSStoreHeap* ins);
+    void visitAsmJSCompareExchangeHeap(MAsmJSCompareExchangeHeap* ins);
+    void visitAsmJSAtomicExchangeHeap(MAsmJSAtomicExchangeHeap* ins);
+    void visitAsmJSAtomicBinopHeap(MAsmJSAtomicBinopHeap* ins);
+    void visitStoreTypedArrayElementStatic(MStoreTypedArrayElementStatic* ins);
+    void visitCompareExchangeTypedArrayElement(MCompareExchangeTypedArrayElement* ins);
+    void visitAtomicExchangeTypedArrayElement(MAtomicExchangeTypedArrayElement* ins);
+    void visitAtomicTypedArrayElementBinop(MAtomicTypedArrayElementBinop* ins);
+    void visitSubstr(MSubstr* ins);
+    void visitWasmTruncateToInt64(MWasmTruncateToInt64* ins);
+    void visitInt64ToFloatingPoint(MInt64ToFloatingPoint* ins);
+    void visitCopySign(MCopySign* ins);
+    void visitExtendInt32ToInt64(MExtendInt32ToInt64* ins);
+
+};
+
+} // namespace jit
+} // namespace js
+
+#endif /* jit_mips_shared_Lowering_mips_shared_h */