maxjhandsome
/
llvm-project
forked from OSchip/llvm-project
1
0
Fork 0
Code Issues Pull Requests Packages Releases Wiki Activity

x86_64 ABI: Classify <1 x i64> as INTEGER (match gcc not llvm-gcc). 

Also, make sure to pass <1 x i64> as i64 (not <1 x i64>, which doesn't
quite work yet in the backend).

llvm-svn: 65262
This commit is contained in:
Daniel Dunbar 2009-02-22 04:16:10 +00:00
parent f837924faf
commit f25afad9e5
1 changed files with 12 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

18
clang/lib/CodeGen/CGCall.cpp
View File

@ -524,11 +524,15 @@ void X86_64ABIInfo::classify(QualType Ty,
} else if (const VectorType *VT = Ty->getAsVectorType()) {
uint64_t Size = Context.getTypeSize(VT);
if (Size == 64) {
// gcc passes <1 x double> in memory.
if (VT->getElementType() == Context.DoubleTy)
// gcc passes <1 x double> in memory. :(
if (VT->getElementType()->isSpecificBuiltinType(BuiltinType::Double))
return;
Current = SSE;
// gcc passes <1 x long long> as INTEGER.
if (VT->getElementType()->isSpecificBuiltinType(BuiltinType::LongLong))
Current = Integer;
else
Current = SSE;
// If this type crosses an eightbyte boundary, it should be
// split.
@ -542,7 +546,7 @@ void X86_64ABIInfo::classify(QualType Ty,
QualType ET = Context.getCanonicalType(CT->getElementType());
uint64_t Size = Context.getTypeSize(Ty);
if (ET->isIntegerType()) {
if (ET->isIntegralType()) {
if (Size <= 64)
Current = Integer;
else if (Size <= 128)
@ -688,8 +692,9 @@ ABIArgInfo X86_64ABIInfo::getCoerceResult(QualType Ty,
if (CoerceTo == llvm::Type::Int64Ty) {
// Integer and pointer types will end up in a general purpose
// register.
if (Ty->isIntegerType() || Ty->isPointerType())
if (Ty->isIntegralType() || Ty->isPointerType())
return ABIArgInfo::getDirect();
} else if (CoerceTo == llvm::Type::DoubleTy) {
// FIXME: It would probably be better to make CGFunctionInfo only
// map using canonical types than to canonize here.
@ -698,6 +703,7 @@ ABIArgInfo X86_64ABIInfo::getCoerceResult(QualType Ty,
// Float and double end up in a single SSE reg.
if (CTy == Context.FloatTy || CTy == Context.DoubleTy)
return ABIArgInfo::getDirect();
}
return ABIArgInfo::getCoerce(CoerceTo);