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Fix #113 - promotion of small static array arguments to registers.

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This commit is contained in:
David Nadlinger
2012-06-06 22:55:59 +02:00
parent ba9fb721ed
commit 62bfda0259
3 changed files with 33 additions and 49 deletions
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16
gen/abi-x86.cpp
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@@ -69,7 +69,7 @@ struct X86TargetABI : TargetABI
{
X87_complex_swap swapComplex;
X86_cfloat_rewrite cfloatToInt;
X86_struct_to_register structToReg;
CompositeToInt compositeToInt;
bool returnInArg(TypeFunction* tf)
{
@@ -150,19 +150,13 @@ struct X86TargetABI : TargetABI
else if (!lastTy->isfloating() && (sz == 1 || sz == 2 || sz == 4)) // right?
{
// rewrite the struct into an integer to make inreg work
if (lastTy->ty == Tstruct)
if (lastTy->ty == Tstruct || lastTy->ty == Tsarray)
{
last->rewrite = &structToReg;
last->ltype = structToReg.type(last->type, last->ltype);
last->rewrite = &compositeToInt;
last->ltype = compositeToInt.type(last->type, last->ltype);
last->byref = false;
// erase previous attributes
last->attrs = 0;
}
else if (lastTy->ty == Tsarray)
{
last->ltype = DtoType(last->type);
last->byref = false;
last->attrs &= ~llvm::Attribute::ByVal;
last->attrs = llvm::Attribute::None;
}
last->attrs |= llvm::Attribute::InReg;
}