js/src/jit/mips64/CodeGenerator-mips64.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
   2  * vim: set ts=8 sts=2 et sw=2 tw=80:
   3  * This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef jit_mips64_CodeGenerator_mips64_h
   8 #define jit_mips64_CodeGenerator_mips64_h
   9
  10 #include "jit/mips-shared/CodeGenerator-mips-shared.h"
  11
  12 namespace js {
  13 namespace jit {
  14
  15 class CodeGeneratorMIPS64 : public CodeGeneratorMIPSShared {
  16  protected:
  17   CodeGeneratorMIPS64(MIRGenerator* gen, LIRGraph* graph, MacroAssembler* masm)
  18       : CodeGeneratorMIPSShared(gen, graph, masm) {}
  19
  20   void testNullEmitBranch(Assembler::Condition cond, const ValueOperand& value,
  21                           MBasicBlock* ifTrue, MBasicBlock* ifFalse) {
  22     MOZ_ASSERT(value.valueReg() != SecondScratchReg);
  23     masm.splitTag(value.valueReg(), SecondScratchReg);
  24     emitBranch(SecondScratchReg, ImmTag(JSVAL_TAG_NULL), cond, ifTrue, ifFalse);
  25   }
  26   void testUndefinedEmitBranch(Assembler::Condition cond,
  27                                const ValueOperand& value, MBasicBlock* ifTrue,
  28                                MBasicBlock* ifFalse) {
  29     MOZ_ASSERT(value.valueReg() != SecondScratchReg);
  30     masm.splitTag(value.valueReg(), SecondScratchReg);
  31     emitBranch(SecondScratchReg, ImmTag(JSVAL_TAG_UNDEFINED), cond, ifTrue,
  32                ifFalse);
  33   }
  34   void testObjectEmitBranch(Assembler::Condition cond,
  35                             const ValueOperand& value, MBasicBlock* ifTrue,
  36                             MBasicBlock* ifFalse) {
  37     MOZ_ASSERT(value.valueReg() != SecondScratchReg);
  38     masm.splitTag(value.valueReg(), SecondScratchReg);
  39     emitBranch(SecondScratchReg, ImmTag(JSVAL_TAG_OBJECT), cond, ifTrue,
  40                ifFalse);
  41   }
  42
  43   void emitBigIntDiv(LBigIntDiv* ins, Register dividend, Register divisor,
  44                      Register output, Label* fail);
  45   void emitBigIntMod(LBigIntMod* ins, Register dividend, Register divisor,
  46                      Register output, Label* fail);
  47
  48   template <typename T>
  49   void emitWasmLoadI64(T* ins);
  50   template <typename T>
  51   void emitWasmStoreI64(T* ins);
  52
  53   ValueOperand ToValue(LInstruction* ins, size_t pos);
  54   ValueOperand ToTempValue(LInstruction* ins, size_t pos);
  55
  56   // Functions for LTestVAndBranch.
  57   void splitTagForTest(const ValueOperand& value, ScratchTagScope& tag);
  58 };
  59
  60 typedef CodeGeneratorMIPS64 CodeGeneratorSpecific;
  61
  62 }  // namespace jit
  63 }  // namespace js
  64
  65 #endif /* jit_mips64_CodeGenerator_mips64_h */