summaryrefslogtreecommitdiffstats
path: root/llvm/lib
diff options
context:
space:
mode:
authorBill Wendling <isanbard@gmail.com>2007-03-30 00:35:22 +0000
committerBill Wendling <isanbard@gmail.com>2007-03-30 00:35:22 +0000
commit2fbcbc16b4c395759490d9cb89adabbcda13e55c (patch)
treea9ddefdf279fe802499c568d8dba816726589aac /llvm/lib
parent045414aa8ed9c30be4876ee6c6e9212af9c19a4b (diff)
downloadbcm5719-llvm-2fbcbc16b4c395759490d9cb89adabbcda13e55c.tar.gz
bcm5719-llvm-2fbcbc16b4c395759490d9cb89adabbcda13e55c.zip
Add MMX calling conventions.
llvm-svn: 35489
Diffstat (limited to 'llvm/lib')
-rw-r--r--llvm/lib/Target/X86/X86CallingConv.td18
1 files changed, 14 insertions, 4 deletions
diff --git a/llvm/lib/Target/X86/X86CallingConv.td b/llvm/lib/Target/X86/X86CallingConv.td
index d397bf3369f..d9a63c4ecd3 100644
--- a/llvm/lib/Target/X86/X86CallingConv.td
+++ b/llvm/lib/Target/X86/X86CallingConv.td
@@ -30,7 +30,11 @@ def RetCC_X86Common : CallingConv<[
// 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 @@ def CC_X86_64_C : CallingConv<[
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 @@ def CC_X86_32_Common : CallingConv<[
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<[
OpenPOWER on IntegriCloud