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Bug 597288 - alignment on call stack isn't 16byte on x86_64 CPU. r=dvander

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This commit is contained in:
Makoto Kato 2010-09-19 00:06:26 +09:00
parent 402dc1f5d2
commit c93588f2e2
1 changed files with 3 additions and 3 deletions
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6
js/src/methodjit/Compiler.cpp
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@ -2041,8 +2041,8 @@ mjit::Compiler::inlineCallHelper(uint32 argc, bool callingNew)
FrameAddress(offsetof(VMFrame, regs) + offsetof(JSFrameRegs, pc)));
stubcc.masm.fixScriptStack(frame.frameDepth());
stubcc.masm.setupVMFrame();
#if defined(JS_CPU_X86) || defined(JS_CPU_X64)
/* Need to stay 16-byte aligned on x86/x64. */
#if defined(JS_CPU_X86)
/* Need to stay 16-byte aligned on x86. */
stubcc.masm.subPtr(Imm32(8), JSC::MacroAssembler::stackPointerRegister);
#endif
stubcc.masm.push(dataReg);
@ -2051,7 +2051,7 @@ mjit::Compiler::inlineCallHelper(uint32 argc, bool callingNew)
stubcc.masm.wrapCall(pfun);
stubcc.masm.pop(t0);
stubcc.masm.pop(dataReg);
#if defined(JS_CPU_X86) || defined(JS_CPU_X64)
#if defined(JS_CPU_X86)
stubcc.masm.addPtr(Imm32(8), JSC::MacroAssembler::stackPointerRegister);
#endif
}