From: Dan Gohman <gohman@apple.com>
Date: Fri, 26 Feb 2010 16:49:27 +0000 (+0000)
Subject: movl is a cheaper way to materialize 0 without clobbering EFLAGS than movabsq.
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=6fe0df2abb9269d4c8377f2497281abc88baf543;p=oota-llvm.git

movl is a cheaper way to materialize 0 without clobbering EFLAGS than movabsq.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@97227 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86InstrInfo.cpp b/lib/Target/X86/X86InstrInfo.cpp
index baf6b63e5de..494949fab38 100644
--- a/lib/Target/X86/X86InstrInfo.cpp
+++ b/lib/Target/X86/X86InstrInfo.cpp
@@ -1083,7 +1083,7 @@ void X86InstrInfo::reMaterialize(MachineBasicBlock &MBB,
       case X86::MOV8r0:  Opc = X86::MOV8ri;  break;
       case X86::MOV16r0: Opc = X86::MOV16ri; break;
       case X86::MOV32r0: Opc = X86::MOV32ri; break;
-      case X86::MOV64r0: Opc = X86::MOV64ri; break;
+      case X86::MOV64r0: Opc = X86::MOV64ri64i32; break;
       }
       Clone = false;
     }