From: Dale Johannesen <dalej@apple.com>
Date: Sat, 8 Nov 2008 00:01:16 +0000 (+0000)
Subject: Make testb optimization work on big-endian targets.
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=b514ac9e3cddb3663c74afcf7bfa359a867e2780;p=oota-llvm.git

Make testb optimization work on big-endian targets.



git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@58874 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/CodeGen/SelectionDAG/TargetLowering.cpp b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
index 0a8538ac7f1..cf26166875b 100644
--- a/lib/CodeGen/SelectionDAG/TargetLowering.cpp
+++ b/lib/CodeGen/SelectionDAG/TargetLowering.cpp
@@ -1370,7 +1370,10 @@ TargetLowering::SimplifySetCC(MVT VT, SDValue N0, SDValue N1,
             uint64_t newMask = (1ULL << width) - 1;
             for (unsigned offset=0; offset<origWidth/width; offset++) {
               if ((newMask & Mask)==Mask) {
-                bestOffset = (uint64_t)offset * (width/8);
+                if (!TD->isLittleEndian())
+                  bestOffset = (origWidth/width - offset - 1) * (width/8);
+                else 
+                  bestOffset = (uint64_t)offset * (width/8);
                 bestWidth = width;
                 break;
               }