diff options
| author | Dan Gohman <gohman@apple.com> | 2007-07-02 16:21:53 +0000 |
|---|---|---|
| committer | Dan Gohman <gohman@apple.com> | 2007-07-02 16:21:53 +0000 |
| commit | 1866f6ec7be6f9499d50fff6caea4007f000c82e (patch) | |
| tree | 4f7ba884897ba25b50717b5cf6551768787e0fbb | |
| parent | 27a70be55f8b63181598d144d034b396402be66e (diff) | |
Vector results may be returned in XMM0 and XMM1, not just XMM0. With
the recent lowering changes, this allows types like <4 x double> to
be returned, using two vector registers.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@37844 91177308-0d34-0410-b5e6-96231b3b80d8
| -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 d8942d8c4f..c98b3a2aec 100644 --- a/lib/Target/X86/X86CallingConv.td +++ b/lib/Target/X86/X86CallingConv.td @@ -28,9 +28,10 @@ def RetCC_X86Common : CallingConv<[ CCIfType<[i32], CCAssignToReg<[EAX, EDX]>>, CCIfType<[i64], CCAssignToReg<[RAX, RDX]>>, - // Vector types are always returned in XMM0. If the target doesn't have XMM0, - // it won't have vector types. - CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64], CCAssignToReg<[XMM0]>>, + // 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. + CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64], + CCAssignToReg<[XMM0,XMM1]>>, // MMX vector types are always returned in MM0. If the target doesn't have // MM0, it doesn't support these vector types. |