1 files changed, 78 insertions, 0 deletions
diff --git a/js/src/jit/x86-shared/Lowering-x86-shared.h b/js/src/jit/x86-shared/Lowering-x86-shared.h
new file mode 100644
index 0000000000..69d367270a
--- /dev/null
+++ b/js/src/jit/x86-shared/Lowering-x86-shared.h
@@ -0,0 +1,78 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: set ts=8 sts=2 et sw=2 tw=80:
+ * 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_x86_shared_Lowering_x86_shared_h
+#define jit_x86_shared_Lowering_x86_shared_h
+
+#include "jit/shared/Lowering-shared.h"
+
+namespace js {
+namespace jit {
+
+class LIRGeneratorX86Shared : public LIRGeneratorShared {
+ protected:
+  LIRGeneratorX86Shared(MIRGenerator* gen, MIRGraph& graph, LIRGraph& lirGraph)
+      : LIRGeneratorShared(gen, graph, lirGraph) {}
+
+  LTableSwitch* newLTableSwitch(const LAllocation& in,
+                                const LDefinition& inputCopy,
+                                MTableSwitch* ins);
+  LTableSwitchV* newLTableSwitchV(MTableSwitch* ins);
+
+  void lowerForShift(LInstructionHelper<1, 2, 0>* ins, MDefinition* mir,
+                     MDefinition* lhs, MDefinition* rhs);
+  void lowerForALU(LInstructionHelper<1, 1, 0>* ins, MDefinition* mir,
+                   MDefinition* input);
+  void lowerForALU(LInstructionHelper<1, 2, 0>* ins, MDefinition* 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 lowerForCompareI64AndBranch(MTest* mir, MCompare* comp, JSOp op,
+                                   MDefinition* left, MDefinition* right,
+                                   MBasicBlock* ifTrue, MBasicBlock* ifFalse);
+  template <size_t Temps>
+  void lowerForFPU(LInstructionHelper<1, 2, Temps>* ins, MDefinition* mir,
+                   MDefinition* lhs, MDefinition* rhs);
+  void lowerForBitAndAndBranch(LBitAndAndBranch* baab, MInstruction* mir,
+                               MDefinition* lhs, MDefinition* rhs);
+  void lowerNegI(MInstruction* ins, MDefinition* input);
+  void lowerNegI64(MInstruction* ins, MDefinition* input);
+  void lowerMulI(MMul* mul, MDefinition* lhs, MDefinition* rhs);
+  void lowerDivI(MDiv* div);
+  void lowerModI(MMod* mod);
+  void lowerUDiv(MDiv* div);
+  void lowerUMod(MMod* mod);
+  void lowerUrshD(MUrsh* mir);
+  void lowerPowOfTwoI(MPow* mir);
+  void lowerWasmSelectI(MWasmSelect* select);
+  void lowerWasmSelectI64(MWasmSelect* select);
+  void lowerBigIntLsh(MBigIntLsh* ins);
+  void lowerBigIntRsh(MBigIntRsh* ins);
+  void lowerWasmBuiltinTruncateToInt32(MWasmBuiltinTruncateToInt32* ins);
+  void lowerTruncateDToInt32(MTruncateToInt32* ins);
+  void lowerTruncateFToInt32(MTruncateToInt32* ins);
+  void lowerCompareExchangeTypedArrayElement(
+      MCompareExchangeTypedArrayElement* ins, bool useI386ByteRegisters);
+  void lowerAtomicExchangeTypedArrayElement(
+      MAtomicExchangeTypedArrayElement* ins, bool useI386ByteRegisters);
+  void lowerAtomicTypedArrayElementBinop(MAtomicTypedArrayElementBinop* ins,
+                                         bool useI386ByteRegisters);
+
+#ifdef ENABLE_WASM_SIMD
+  bool isThreeOpAllowed() { return Assembler::HasAVX(); }
+  bool canFoldReduceSimd128AndBranch(wasm::SimdOp op);
+  bool canEmitWasmReduceSimd128AtUses(MWasmReduceSimd128* ins);
+#endif
+};
+
+}  // namespace jit
+}  // namespace js
+
+#endif /* jit_x86_shared_Lowering_x86_shared_h */