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fastcc functions that return double values now return them in xmm0 on x86-32.

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This implements CodeGen/X86/fp-stack-ret.ll:test[23]


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@34592 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Chris Lattner 2007-02-25 09:31:16 +00:00
parent 113296ba51
commit 5e265b29ea
1 changed files with 3 additions and 1 deletions
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4
lib/Target/X86/X86ISelLowering.cpp
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@ -434,7 +434,7 @@ X86TargetLowering::X86TargetLowering(TargetMachine &TM)
static void GetRetValueLocs(const MVT::ValueType *VTs, unsigned NumVTs, static void GetRetValueLocs(const MVT::ValueType *VTs, unsigned NumVTs,
unsigned *ResultRegs, unsigned *ResultRegs,
const X86Subtarget *Subtarget, const X86Subtarget *Subtarget,
unsigned CallingConv) { unsigned CC) {
if (NumVTs == 0) return; if (NumVTs == 0) return;
if (NumVTs == 2) { if (NumVTs == 2) {
@ -456,6 +456,8 @@ static void GetRetValueLocs(const MVT::ValueType *VTs, unsigned NumVTs,
case MVT::f64: case MVT::f64:
if (Subtarget->is64Bit()) if (Subtarget->is64Bit())
Reg = X86::XMM0; // FP values in X86-64 go in XMM0. Reg = X86::XMM0; // FP values in X86-64 go in XMM0.
else if (CC == CallingConv::Fast)
Reg = X86::XMM0; // FP values in X86-32 with fastcc go in XMM0.
else else
Reg = X86::ST0; // FP values in X86-32 go in ST0. Reg = X86::ST0; // FP values in X86-32 go in ST0.
break; break;