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allow vectors to be passed to stdcall/fastcall functions

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34590 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-02-25 09:14:25 +00:00
parent 2a9bdd74f2
commit 4dfccf4b48
1 changed files with 10 additions and 18 deletions
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28
lib/Target/X86/X86ISelLowering.cpp
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@ -645,8 +645,7 @@ HowToPassCallArgument(MVT::ValueType ObjectVT,
unsigned NumIntRegs, unsigned NumXMMRegs,
unsigned MaxNumIntRegs,
unsigned &ObjSize, unsigned &ObjIntRegs,
unsigned &ObjXMMRegs,
bool AllowVectors = true) {
unsigned &ObjXMMRegs) {
ObjSize = 0;
ObjIntRegs = 0;
ObjXMMRegs = 0;
@ -696,14 +695,11 @@ HowToPassCallArgument(MVT::ValueType ObjectVT,
case MVT::v2i64:
case MVT::v4f32:
case MVT::v2f64:
if (AllowVectors) {
if (NumXMMRegs < 4)
ObjXMMRegs = 1;
else
ObjSize = 16;
break;
} else
assert(0 && "Unhandled argument type [vector]!");
if (NumXMMRegs < 4)
ObjXMMRegs = 1;
else
ObjSize = 16;
break;
}
}
@ -764,8 +760,7 @@ SDOperand X86TargetLowering::LowerCCCArguments(SDOperand Op, SelectionDAG &DAG,
HowToPassCallArgument(ObjectVT,
ArgInRegs[i],
NumIntRegs, NumXMMRegs, 3,
ObjSize, ObjIntRegs, ObjXMMRegs,
!isStdCall);
ObjSize, ObjIntRegs, ObjXMMRegs);
if (ObjSize > 4)
ArgIncrement = ObjSize;
@ -884,8 +879,7 @@ SDOperand X86TargetLowering::LowerCCCCallTo(SDOperand Op, SelectionDAG &DAG,
HowToPassCallArgument(Arg.getValueType(),
ArgInRegs[i],
NumIntRegs, NumXMMRegs, 3,
ObjSize, ObjIntRegs, ObjXMMRegs,
CC != CallingConv::X86_StdCall);
ObjSize, ObjIntRegs, ObjXMMRegs);
if (ObjSize > 4)
ArgIncrement = ObjSize;
@ -918,8 +912,7 @@ SDOperand X86TargetLowering::LowerCCCCallTo(SDOperand Op, SelectionDAG &DAG,
HowToPassCallArgument(Arg.getValueType(),
ArgInRegs[i],
NumIntRegs, NumXMMRegs, 3,
ObjSize, ObjIntRegs, ObjXMMRegs,
CC != CallingConv::X86_StdCall);
ObjSize, ObjIntRegs, ObjXMMRegs);
if (ObjSize > 4)
ArgIncrement = ObjSize;
@ -1574,8 +1567,7 @@ X86TargetLowering::LowerFastCCArguments(SDOperand Op, SelectionDAG &DAG,
true, // Use as much registers as possible
NumIntRegs, NumXMMRegs,
(isFastCall ? 2 : FASTCC_NUM_INT_ARGS_INREGS),
ObjSize, ObjIntRegs, ObjXMMRegs,
!isFastCall);
ObjSize, ObjIntRegs, ObjXMMRegs);
if (ObjSize > 4)
ArgIncrement = ObjSize;