C++ (Cpp) MAsmJSLoadGlobalVar示例

示例#1

文件： CodeGenerator-x64.cpp 项目： kleopatra999/system-addons

void
CodeGeneratorX64::visitAsmJSLoadGlobalVar(LAsmJSLoadGlobalVar* ins)
{
    MAsmJSLoadGlobalVar* mir = ins->mir();

    MIRType type = mir->type();
    MOZ_ASSERT(IsNumberType(type) || IsSimdType(type));

    CodeOffsetLabel label;
    switch (type) {
      case MIRType_Int32:
        label = masm.loadRipRelativeInt32(ToRegister(ins->output()));
        break;
      case MIRType_Float32:
        label = masm.loadRipRelativeFloat32(ToFloatRegister(ins->output()));
        break;
      case MIRType_Double:
        label = masm.loadRipRelativeDouble(ToFloatRegister(ins->output()));
        break;
      // Aligned access: code is aligned on PageSize + there is padding
      // before the global data section.
      case MIRType_Int32x4:
        label = masm.loadRipRelativeInt32x4(ToFloatRegister(ins->output()));
        break;
      case MIRType_Float32x4:
        label = masm.loadRipRelativeFloat32x4(ToFloatRegister(ins->output()));
        break;
      default:
        MOZ_CRASH("unexpected type in visitAsmJSLoadGlobalVar");
    }

    masm.append(AsmJSGlobalAccess(label, mir->globalDataOffset()));
}

示例#2

文件： CodeGenerator-x86.cpp 项目： AlexOreshkevich/mongo

void
CodeGeneratorX86::visitAsmJSLoadGlobalVar(LAsmJSLoadGlobalVar* ins)
{
    MAsmJSLoadGlobalVar* mir = ins->mir();
    MIRType type = mir->type();
    MOZ_ASSERT(IsNumberType(type) || IsSimdType(type));

    CodeOffset label;
    switch (type) {
      case MIRType_Int32:
        label = masm.movlWithPatch(PatchedAbsoluteAddress(), ToRegister(ins->output()));
        break;
      case MIRType_Float32:
        label = masm.vmovssWithPatch(PatchedAbsoluteAddress(), ToFloatRegister(ins->output()));
        break;
      case MIRType_Double:
        label = masm.vmovsdWithPatch(PatchedAbsoluteAddress(), ToFloatRegister(ins->output()));
        break;
      // Aligned access: code is aligned on PageSize + there is padding
      // before the global data section.
      case MIRType_Int32x4:
        label = masm.vmovdqaWithPatch(PatchedAbsoluteAddress(), ToFloatRegister(ins->output()));
        break;
      case MIRType_Float32x4:
        label = masm.vmovapsWithPatch(PatchedAbsoluteAddress(), ToFloatRegister(ins->output()));
        break;
      default:
        MOZ_CRASH("unexpected type in visitAsmJSLoadGlobalVar");
    }
    masm.append(AsmJSGlobalAccess(label, mir->globalDataOffset()));
}

示例#3

文件： CodeGenerator-x64.cpp 项目： Nebelhom/mozilla-central

bool
CodeGeneratorX64::visitAsmJSLoadGlobalVar(LAsmJSLoadGlobalVar *ins)
{
    MAsmJSLoadGlobalVar *mir = ins->mir();

    CodeOffsetLabel label;
    if (mir->type() == MIRType_Int32)
        label = masm.loadRipRelativeInt32(ToRegister(ins->output()));
    else
        label = masm.loadRipRelativeDouble(ToFloatRegister(ins->output()));

    return gen->noteGlobalAccess(label.offset(), mir->globalDataOffset());
}

示例#4

bool
CodeGeneratorX86::visitAsmJSLoadGlobalVar(LAsmJSLoadGlobalVar *ins)
{
    MAsmJSLoadGlobalVar *mir = ins->mir();

    CodeOffsetLabel label;
    if (mir->type() == MIRType_Int32)
        label = masm.movlWithPatch(NULL, ToRegister(ins->output()));
    else
        label = masm.movsdWithPatch(NULL, ToFloatRegister(ins->output()));

    return gen->noteGlobalAccess(label.offset(), mir->globalDataOffset());
}