From ba7b1c4db4ae5250564f5cab53e8f0f35c661a94 Mon Sep 17 00:00:00 2001
From: Eli Friedman <eli.friedman@gmail.com>
Date: Sat, 26 Dec 2009 20:08:30 +0000
Subject: [PATCH] PR5886: Make sure IMUL32m is marked as setting EFLAGS, so
 scheduling doesn't do illegal stuff around it.  No testcase because the issue
 is very fragile.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@92167 91177308-0d34-0410-b5e6-96231b3b80d8
---
 lib/Target/X86/X86InstrInfo.td | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 51a128aaf51..4d922a54ec2 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -1128,7 +1128,7 @@ def IMUL8m  : I<0xF6, MRM5m, (outs), (ins i8mem :$src),
 let Defs = [AX,DX,EFLAGS], Uses = [AX] in
 def IMUL16m : I<0xF7, MRM5m, (outs), (ins i16mem:$src),
                 "imul{w}\t$src", []>, OpSize; // AX,DX = AX*[mem16]
-let Defs = [EAX,EDX], Uses = [EAX] in
+let Defs = [EAX,EDX,EFLAGS], Uses = [EAX] in
 def IMUL32m : I<0xF7, MRM5m, (outs), (ins i32mem:$src),
                 "imul{l}\t$src", []>;  // EAX,EDX = EAX*[mem32]
 }