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| author | Dan Gohman <gohman@apple.com> | 2008-04-09 17:54:37 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2008-04-09 17:54:37 +0000 |
| commit | c2ffd4b1cbf4f3c6bee973a5debd848b32b54a2b (patch) | |
| tree | cf8702a5d468a4badfe098553e704df4776edd45 | |
| parent | 719e64e8c15482667c1fe952174dea8ff88c0fd6 (diff) | |
| download | external_llvm-c2ffd4b1cbf4f3c6bee973a5debd848b32b54a2b.zip external_llvm-c2ffd4b1cbf4f3c6bee973a5debd848b32b54a2b.tar.gz external_llvm-c2ffd4b1cbf4f3c6bee973a5debd848b32b54a2b.tar.bz2 | |
Add XMM1 as a second return value register for f32 and f64 on x86-64. This
is needed for the x86-64-ABI handling of structs that contain floating-point
members that are returned by value.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@49441 91177308-0d34-0410-b5e6-96231b3b80d8
| -rw-r--r-- | lib/Target/X86/X86CallingConv.td | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/lib/Target/X86/X86CallingConv.td b/lib/Target/X86/X86CallingConv.td index dc21053..8a580df 100644 --- a/lib/Target/X86/X86CallingConv.td +++ b/lib/Target/X86/X86CallingConv.td @@ -65,16 +65,16 @@ def RetCC_X86_32_Fast : CallingConv<[ def RetCC_X86_32_SSE : CallingConv<[ // The X86-32 sseregparm calling convention returns FP values in XMM0 if the // target has SSE2, otherwise it is the C calling convention. - CCIfType<[f32], CCIfSubtarget<"hasSSE2()", CCAssignToReg<[XMM0]>>>, - CCIfType<[f64], CCIfSubtarget<"hasSSE2()", CCAssignToReg<[XMM0]>>>, + CCIfType<[f32], CCIfSubtarget<"hasSSE2()", CCAssignToReg<[XMM0, XMM1]>>>, + CCIfType<[f64], CCIfSubtarget<"hasSSE2()", CCAssignToReg<[XMM0, XMM1]>>>, CCDelegateTo<RetCC_X86Common> ]>; // X86-64 C return-value convention. def RetCC_X86_64_C : CallingConv<[ // The X86-64 calling convention always returns FP values in XMM0. - CCIfType<[f32], CCAssignToReg<[XMM0]>>, - CCIfType<[f64], CCAssignToReg<[XMM0]>>, + CCIfType<[f32], CCAssignToReg<[XMM0, XMM1]>>, + CCIfType<[f64], CCAssignToReg<[XMM0, XMM1]>>, CCDelegateTo<RetCC_X86Common> ]>; |