From eac159c1f0890fc9ab014fec1531bf7d78e510a6 Mon Sep 17 00:00:00 2001 From: Dale Johannesen Date: Fri, 22 Feb 2008 17:47:28 +0000 Subject: [PATCH] MMX vectors are passed 4-byte aligned. llvm-svn: 47483 --- llvm/lib/Target/X86/X86CallingConv.td | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-) diff --git a/llvm/lib/Target/X86/X86CallingConv.td b/llvm/lib/Target/X86/X86CallingConv.td index eb88ce3052f9..4f25f1f27a1f 100644 --- a/llvm/lib/Target/X86/X86CallingConv.td +++ b/llvm/lib/Target/X86/X86CallingConv.td @@ -203,16 +203,16 @@ def CC_X86_32_Common : CallingConv<[ // Long doubles get slots whose size depends on the subtarget. CCIfType<[f80], CCAssignToStack<0, 4>>, - // The first 4 vector arguments are passed in XMM registers. + // The first 4 SSE vector arguments are passed in XMM registers. CCIfNotVarArg>>, - // Other vectors get 16-byte stack slots that are 16-byte aligned. + // Other SSE vectors get 16-byte stack slots that are 16-byte aligned. CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64], CCAssignToStack<16, 16>>, - // __m64 vectors get 8-byte stack slots that are 8-byte aligned. They are + // __m64 vectors get 8-byte stack slots that are 4-byte aligned. They are // passed in the parameter area. - CCIfType<[v8i8, v4i16, v2i32, v1i64], CCAssignToStack<8, 8>> + CCIfType<[v8i8, v4i16, v2i32, v1i64], CCAssignToStack<8, 4>> ]>; def CC_X86_32_C : CallingConv<[