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

now that GetSSETypeAtOffset handles passing SSE class values as 

float, the special case hack in getCoerceResult can go away.

llvm-svn: 109804
This commit is contained in:
Chris Lattner 2010-07-29 21:22:50 +00:00
parent c0599ea1e7
commit 09794695ef
1 changed files with 0 additions and 14 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
clang/lib/CodeGen/TargetInfo.cpp
View File

@ -1127,21 +1127,7 @@ ABIArgInfo X86_64ABIInfo::getCoerceResult(QualType Ty,
return (Ty->isPromotableIntegerType() ? return (Ty->isPromotableIntegerType() ?
ABIArgInfo::getExtend() : ABIArgInfo::getDirect()); ABIArgInfo::getExtend() : ABIArgInfo::getDirect());
} else if (CoerceTo->isDoubleTy()) {
assert(Ty.isCanonical() && "should always have a canonical type here");
assert(!Ty.hasQualifiers() && "should never have a qualified type here");
// Float and double end up in a single SSE reg.
if (Ty == getContext().FloatTy || Ty == getContext().DoubleTy)
return ABIArgInfo::getDirect();
// If this is a 32-bit structure that is passed as a double, then it will be
// passed in the low 32-bits of the XMM register, which is the same as how a
// float is passed. Coerce to a float instead of a double.
if (getContext().getTypeSizeInChars(Ty).getQuantity() == 4)
CoerceTo = llvm::Type::getFloatTy(CoerceTo->getContext());
} }
return ABIArgInfo::getDirect(CoerceTo); return ABIArgInfo::getDirect(CoerceTo);
} }