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Implement implicit return after inline asm on x86_64

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This commit is contained in:
Frits van Bommel
2009-02-15 18:04:22 +01:00
parent f0dc6cb13e
commit 2dec6aeb41
4 changed files with 262 additions and 15 deletions
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12
gen/asmstmt.cpp
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@@ -670,15 +670,19 @@ void AsmBlockStatement::toIR(IRState* p)
std::vector<LLValue*> args;
args.insert(args.end(), outargs.begin(), outargs.end());
args.insert(args.end(), inargs.begin(), inargs.end());
llvm::CallInst* call = p->ir->CreateCall(ia, args.begin(), args.end(), "");
llvm::CallInst* call = p->ir->CreateCall(ia, args.begin(), args.end(),
retty == LLType::VoidTy ? "" : "asm");
// capture abi return value
if (useabiret)
{
if (p->asmBlock->retemu)
p->asmBlock->asmBlock->abiret = DtoLoad(p->asmBlock->asmBlock->abiret);
IRAsmBlock* block = p->asmBlock;
if (block->retfixup)
block->asmBlock->abiret = (*block->retfixup)(p->ir, call);
else if (p->asmBlock->retemu)
block->asmBlock->abiret = DtoLoad(block->asmBlock->abiret);
else
p->asmBlock->asmBlock->abiret = call;
block->asmBlock->abiret = call;
}
p->asmBlock = NULL;