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-rw-r--r--lib/Target/X86/X86ISelLowering.cpp4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/Target/X86/X86ISelLowering.cpp b/lib/Target/X86/X86ISelLowering.cpp
index af8abf15fc..ffd24ee80b 100644
--- a/lib/Target/X86/X86ISelLowering.cpp
+++ b/lib/Target/X86/X86ISelLowering.cpp
@@ -434,7 +434,7 @@ X86TargetLowering::X86TargetLowering(TargetMachine &TM)
static void GetRetValueLocs(const MVT::ValueType *VTs, unsigned NumVTs,
unsigned *ResultRegs,
const X86Subtarget *Subtarget,
- unsigned CallingConv) {
+ unsigned CC) {
if (NumVTs == 0) return;
if (NumVTs == 2) {
@@ -456,6 +456,8 @@ static void GetRetValueLocs(const MVT::ValueType *VTs, unsigned NumVTs,
case MVT::f64:
if (Subtarget->is64Bit())
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
Reg = X86::ST0; // FP values in X86-32 go in ST0.
break;