commit 7c36683fa33afe91da0b5e08ca3064c633dc3f77
author Rafael Espindola <rafael.espindola@gmail.com> Thu Apr 16 12:34:53 2009 +0000
committer Rafael Espindola <rafael.espindola@gmail.com> Thu Apr 16 12:34:53 2009 +0000
tree 1e1cdb5f716c80e0c0e41314e881cdb45597f4cb
parent bfc0104c762e385ce2b834e264b447be884c1c90

fix PR3995. A scale must be 1, 2, 4 or 8.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@69284 91177308-0d34-0410-b5e6-96231b3b80d8

lib/Target/X86/X86ISelDAGToDAG.cpp

diff --git a/lib/Target/X86/X86ISelDAGToDAG.cpp b/lib/Target/X86/X86ISelDAGToDAG.cpp
index 18a574f..4b698ce 100644
--- a/lib/Target/X86/X86ISelDAGToDAG.cpp
+++ b/lib/Target/X86/X86ISelDAGToDAG.cpp
@@ -1041,7 +1041,7 @@
     // a scaled index.
     if (Shift.getOpcode() == ISD::SRL && Shift.hasOneUse()) {
       unsigned ScaleLog = 8 - C1->getZExtValue();
-      if (ScaleLog > 0 && ScaleLog < 64 &&
+      if (ScaleLog > 0 && ScaleLog < 4 &&
           C2->getZExtValue() == (UINT64_C(0xff) << ScaleLog)) {
         SDValue Eight = CurDAG->getConstant(8, MVT::i8);
         SDValue Mask = CurDAG->getConstant(0xff, N.getValueType());