[llvm-commits] [llvm] r47483 - /llvm/trunk/lib/Target/X86/X86CallingConv.td

[Dale Johannesen]

Author: johannes
Date: Fri Feb 22 11:47:28 2008
New Revision: 47483

URL: http://llvm.org/viewvc/llvm-project?rev=47483&view=rev
Log:
MMX vectors are passed 4-byte aligned.


Modified:
    llvm/trunk/lib/Target/X86/X86CallingConv.td

Modified: llvm/trunk/lib/Target/X86/X86CallingConv.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86CallingConv.td?rev=47483&r1=47482&r2=47483&view=diff

==============================================================================
--- llvm/trunk/lib/Target/X86/X86CallingConv.td (original)
+++ llvm/trunk/lib/Target/X86/X86CallingConv.td Fri Feb 22 11:47:28 2008
@@ -203,16 +203,16 @@
   // 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<CCIfType<[v16i8, v8i16, v4i32, v2i64, v4f32, v2f64],
                 CCAssignToReg<[XMM0, XMM1, XMM2, XMM3]>>>,
 
-  // 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<[