[llvm-commits] [llvm] r148109 - /llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

[Craig Topper]

Author: ctopper
Date: Fri Jan 13 02:32:21 2012
New Revision: 148109

URL: http://llvm.org/viewvc/llvm-project?rev=148109&view=rev
Log:
use v8i32 as optimal mem type over v8f32 if AVX2 is enabled. Similar to SSE2 vs SSE1.

Modified:
    llvm/trunk/lib/Target/X86/X86ISelLowering.cpp

Modified: llvm/trunk/lib/Target/X86/X86ISelLowering.cpp
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86ISelLowering.cpp?rev=148109&r1=148108&r2=148109&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86ISelLowering.cpp (original)
+++ llvm/trunk/lib/Target/X86/X86ISelLowering.cpp Fri Jan 13 02:32:21 2012
@@ -1327,9 +1327,12 @@
          ((DstAlign == 0 || DstAlign >= 16) &&
           (SrcAlign == 0 || SrcAlign >= 16))) &&
         Subtarget->getStackAlignment() >= 16) {
-      if (Subtarget->hasAVX() &&
-          Subtarget->getStackAlignment() >= 32)
-        return MVT::v8f32;
+      if (Subtarget->getStackAlignment() >= 32) {
+        if (Subtarget->hasAVX2())
+          return MVT::v8i32;
+        if (Subtarget->hasAVX())
+          return MVT::v8f32;
+      }
       if (Subtarget->hasSSE2())
         return MVT::v4i32;
       if (Subtarget->hasSSE1())