Changes in directory llvm/lib/Target/X86:
X86CallingConv.td updated: 1.10 -> 1.11
---
Log message:
Add MMX calling conventions.
---
Diffs of the changes: (+14 -4)
X86CallingConv.td | 18 ++++++++++++++----
1 files changed, 14 insertions(+), 4 deletions(-)
Index: llvm/lib/Target/X86/X86CallingConv.td
diff -u llvm/lib/Target/X86/X86CallingConv.td:1.10
llvm/lib/Target/X86/X86CallingConv.td:1.11
--- llvm/lib/Target/X86/X86CallingConv.td:1.10 Wed Feb 28 12:35:11 2007
+++ llvm/lib/Target/X86/X86CallingConv.td Thu Mar 29 19:35:22 2007
@@ -30,7 +30,11 @@
// 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]>>
+ CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64], CCAssignToReg<[XMM0]>>,
+
+ // MMX vector types are always returned in MM0. If the target doesn't have
+ // MM0, it doesn't support these vector types.
+ CCIfType<[v8i8, v4i16, v2i32, v1i64], CCAssignToReg<[MM0]>>
]>;
// X86-32 C return-value convention.
@@ -102,8 +106,10 @@
CCIfType<[i32, i64, f32, f64], CCAssignToStack<8, 8>>,
// Vectors get 16-byte stack slots that are 16-byte aligned.
- CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64],
- CCAssignToStack<16, 16>>
+ CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64], CCAssignToStack<16,
16>>,
+
+ // __m64 vectors get 8-byte stack slots that are 8-byte aligned.
+ CCIfType<[v8i8, v4i16, v2i32, v1i64], CCAssignToStack<8, 8>>
]>;
@@ -127,7 +133,11 @@
CCAssignToReg<[XMM0, XMM1, XMM2, XMM3]>>,
// Other vectors get 16-byte stack slots that are 16-byte aligned.
- CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64], CCAssignToStack<16, 16>>
+ CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64], CCAssignToStack<16,
16>>,
+
+ // __m64 vectors get 8-byte stack slots that are 8-byte aligned. They are
+ // passed in the parameter area.
+ CCIfType<[v8i8, v4i16, v2i32, v1i64], CCAssignToStack<8, 8>>
]>;
def CC_X86_32_C : CallingConv<[
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