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Fixed CallAlloc to handle save correctly (Issue #9)

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kobalicekp
2014-03-25 22:34:27 +01:00
parent 3fb860e22f
commit 58d46c05c0
1 changed files with 5 additions and 2 deletions
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src/asmjit/x86/x86context.cpp
+5 -2
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@@ -3943,7 +3943,10 @@ ASMJIT_INLINE void X86X64CallAlloc::plan() {
inRegs = va->getAllocableRegs();
}
if (regMask & inRegs) {
// Optimize situation where the variable has to be allocated in a
// mandatory register, but it's already allocated in register that
// is not clobbered (i.e. it will survive function call).
if ((regMask & inRegs) != 0 || ((regMask & ~clobbered) != 0 && (vaFlags & kVarAttrUnuse) == 0)) {
va->setInRegIndex(regIndex);
va->addFlags(kVarAttrAllocInDone);
addVaDone(C);
@@ -4293,7 +4296,7 @@ ASMJIT_INLINE void X86X64CallAlloc::save() {
ASMJIT_ASSERT(vd->isModified());
VarAttr* va = vd->getVa();
if (va == NULL || !(va->getFlags() & kVarAttrInAll)) {
if (va == NULL || (va->getFlags() & (kVarAttrOutReg | kVarAttrUnuse)) == 0) {
_context->save<C>(vd);
}
}