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Added support for using a temporary to implement emulated ABI return from inline asm, could be easier to use, but I think this will do. It's so extremely target dependent in any case that doing a completely generic approach seems hard.

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This commit is contained in:
Tomas Lindquist Olsen
2009-02-14 15:25:48 +01:00
parent 3e17a21e0b
commit 4dee095dc3
3 changed files with 31 additions and 2 deletions
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7
gen/asmstmt.cpp
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@@ -629,7 +629,7 @@ void AsmBlockStatement::toIR(IRState* p)
}
remap_inargs(a->code, inn+a->out.size(), asmIdx);
if (!code.empty())
code += " ; ";
code += "\n\t";
code += a->code;
}
asmblock->s.clear();
@@ -671,8 +671,13 @@ void AsmBlockStatement::toIR(IRState* p)
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(), "");
// capture abi return value
if (useabiret)
{
if (p->asmBlock->retemu)
p->asmBlock->asmBlock->abiret = DtoLoad(p->asmBlock->asmBlock->abiret);
else
p->asmBlock->asmBlock->abiret = call;
}