diff options
| -rw-r--r-- | lib/Target/X86/X86CallingConv.td | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/Target/X86/X86CallingConv.td b/lib/Target/X86/X86CallingConv.td index e32a891eba..60ee0a1bd3 100644 --- a/lib/Target/X86/X86CallingConv.td +++ b/lib/Target/X86/X86CallingConv.td @@ -83,6 +83,10 @@ def RetCC_X86_Win64_C : CallingConv<[ // The X86-Win64 calling convention always returns __m64 values in RAX. CCIfType<[v8i8, v4i16, v2i32, v1i64], CCAssignToReg<[RAX]>>, + // And FP in XMM0 only. + CCIfType<[f32], CCAssignToReg<[XMM0]>>, + CCIfType<[f64], CCAssignToReg<[XMM0]>>, + // Otherwise, everything is the same as 'normal' X86-64 C CC. CCDelegateTo<RetCC_X86_64_C> ]>; |