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-rw-r--r--lib/Target/X86/X86CallingConv.td6
-rw-r--r--lib/Target/X86/X86FloatingPoint.cpp5
2 files changed, 4 insertions, 7 deletions
diff --git a/lib/Target/X86/X86CallingConv.td b/lib/Target/X86/X86CallingConv.td
index 4f25f1f27a..70f18c5789 100644
--- a/lib/Target/X86/X86CallingConv.td
+++ b/lib/Target/X86/X86CallingConv.td
@@ -38,15 +38,15 @@ def RetCC_X86Common : CallingConv<[
CCIfType<[v8i8, v4i16, v2i32, v1i64], CCAssignToReg<[MM0]>>,
// Long double types are always returned in ST0 (even with SSE).
- CCIfType<[f80], CCAssignToReg<[ST0]>>
+ CCIfType<[f80], CCAssignToReg<[ST0, ST1]>>
]>;
// X86-32 C return-value convention.
def RetCC_X86_32_C : CallingConv<[
// The X86-32 calling convention returns FP values in ST0, otherwise it is the
// same as the common X86 calling conv.
- CCIfType<[f32], CCAssignToReg<[ST0]>>,
- CCIfType<[f64], CCAssignToReg<[ST0]>>,
+ CCIfType<[f32], CCAssignToReg<[ST0, ST1]>>,
+ CCIfType<[f64], CCAssignToReg<[ST0, ST1]>>,
CCDelegateTo<RetCC_X86Common>
]>;
diff --git a/lib/Target/X86/X86FloatingPoint.cpp b/lib/Target/X86/X86FloatingPoint.cpp
index ca965375f2..d9ab1ed415 100644
--- a/lib/Target/X86/X86FloatingPoint.cpp
+++ b/lib/Target/X86/X86FloatingPoint.cpp
@@ -1053,9 +1053,6 @@ void FPS::handleSpecialFP(MachineBasicBlock::iterator &I) {
return;
}
- assert(0 && "TODO: This code should work, but has never been tested."
- "Test it when we have multiple FP return values working");
-
// Otherwise, we are returning two values:
// 2) If returning the same value for both, we only have one thing in the FP
// stack. Consider: RET FP1, FP1
@@ -1083,7 +1080,7 @@ void FPS::handleSpecialFP(MachineBasicBlock::iterator &I) {
/// 4) Finally, FirstFPRegOp must be in ST(0) and SecondFPRegOp must be in
/// ST(1). Just remove both from our understanding of the stack and return.
assert(getStackEntry(0) == FirstFPRegOp && "Unknown regs live");
- assert(getStackEntry(0) == SecondFPRegOp && "Unknown regs live");
+ assert(getStackEntry(1) == SecondFPRegOp && "Unknown regs live");
StackTop = 0;
return;
}