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Bug 1258910 - OdinMonkey: MIPS64: Implement AsmSelectI64. r=bbouvier

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---
 js/src/jit/mips64/CodeGenerator-mips64.cpp | 21 +++++++++++++++++++++
 js/src/jit/mips64/CodeGenerator-mips64.h   |  1 +
 2 files changed, 22 insertions(+)
This commit is contained in:
Heiher 2016-03-24 11:51:30 +08:00
parent 2de1fdd4f0
commit 83da00f716
2 changed files with 22 additions and 0 deletions
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21
js/src/jit/mips64/CodeGenerator-mips64.cpp
View File

@ -278,6 +278,27 @@ CodeGeneratorMIPS64::visitCompareBitwiseAndBranch(LCompareBitwiseAndBranch* lir)
emitBranch(lhs.valueReg(), rhs.valueReg(), cond, lir->ifTrue(), lir->ifFalse());
}
void
CodeGeneratorMIPS64::visitAsmSelectI64(LAsmSelectI64* lir)
{
MOZ_ASSERT(lir->mir()->type() == MIRType_Int64);
Register cond = ToRegister(lir->condExpr());
Operand falseExpr = ToOperand(lir->falseExpr());
Register out = ToRegister(lir->output());
MOZ_ASSERT(ToRegister(lir->trueExpr()) == out, "true expr is reused for input");
if (falseExpr.getTag() == Operand::REG) {
masm.as_movz(out, falseExpr.toReg(), cond);
} else {
Label done;
masm.ma_b(cond, cond, &done, Assembler::NonZero, ShortJump);
masm.loadPtr(falseExpr.toAddress(), out);
masm.bind(&done);
}
}
void
CodeGeneratorMIPS64::setReturnDoubleRegs(LiveRegisterSet* regs)
{

1
js/src/jit/mips64/CodeGenerator-mips64.h
View File

@ -44,6 +44,7 @@ class CodeGeneratorMIPS64 : public CodeGeneratorMIPSShared
virtual void visitCompareBAndBranch(LCompareBAndBranch* lir);
virtual void visitCompareBitwise(LCompareBitwise* lir);
virtual void visitCompareBitwiseAndBranch(LCompareBitwiseAndBranch* lir);
virtual void visitAsmSelectI64(LAsmSelectI64* ins);
// Out of line visitors.
void visitOutOfLineBailout(OutOfLineBailout* ool);