From: Chris Lattner <sabre@nondot.org>
Date: Wed, 19 Jan 2005 03:36:30 +0000 (+0000)
Subject: X86 shifts mask the amount.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=009b55b6f69e56dc04054b00e5b249f5573ae340;p=oota-llvm.git

X86 shifts mask the amount.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@19678 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86ISelPattern.cpp b/lib/Target/X86/X86ISelPattern.cpp
index f6065b13374..1228d70bc04 100644
--- a/lib/Target/X86/X86ISelPattern.cpp
+++ b/lib/Target/X86/X86ISelPattern.cpp
@@ -43,6 +43,7 @@ namespace {
       // X86 is wierd, it always uses i8 for shift amounts and setcc results.
       setShiftAmountType(MVT::i8);
       setSetCCResultType(MVT::i8);
+      setShiftAmountFlavor(Mask);   // shl X, 32 == shl X, 0
 
       // Set up the register classes.
       addRegisterClass(MVT::i8, X86::R8RegisterClass);