diff options
| -rw-r--r-- | lib/Target/X86/X86CallingConv.td | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/Target/X86/X86CallingConv.td b/lib/Target/X86/X86CallingConv.td index c5aef19c7e..385bd91618 100644 --- a/lib/Target/X86/X86CallingConv.td +++ b/lib/Target/X86/X86CallingConv.td @@ -28,10 +28,11 @@ def RetCC_X86Common : CallingConv<[ CCIfType<[i32], CCAssignToReg<[EAX, EDX]>>, CCIfType<[i64], CCAssignToReg<[RAX, RDX]>>, - // Vector types are returned in XMM0 and XMM1, when they fit. If the target - // doesn't have XMM registers, it won't have vector types. + // Vector types are returned in XMM0 and XMM1, when they fit. XMMM2 and XMM3 + // can only be used by ABI non-compliant code. If the target doesn't have XMM + // registers, it won't have vector types. CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64], - CCAssignToReg<[XMM0,XMM1]>>, + CCAssignToReg<[XMM0,XMM1,XMM2,XMM3]>>, // MMX vector types are always returned in MM0. If the target doesn't have // MM0, it doesn't support these vector types. |