From: Marina Yatsina <marina.yatsina@intel.com>
Date: Tue, 11 Aug 2015 11:28:10 +0000 (+0000)
Subject: [X86] Fix REPE, REPZ, REPNZ for intel syntax
X-Git-Url: http://plrg.eecs.uci.edu/git/?a=commitdiff_plain;h=f815c87d9bdecbfc2892c7cc244ffe8e583dc3da;p=oota-llvm.git

[X86] Fix REPE, REPZ, REPNZ for intel syntax

REPE, REPZ, REPNZ, REPNE should have mnemonics for Intel syntax as well.
Currently using these instructions causes compilation errors for Intel syntax.

Differential Revision: http://reviews.llvm.org/D11794


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@244584 91177308-0d34-0410-b5e6-96231b3b80d8
---

diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 8e1d5b76d2e..fff094ddf43 100644
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -2540,9 +2540,9 @@ def : MnemonicAlias<"pusha",  "pushaw", "att">, Requires<[In16BitMode]>;
 def : MnemonicAlias<"popa",   "popal",  "att">, Requires<[In32BitMode]>;
 def : MnemonicAlias<"pusha",  "pushal", "att">, Requires<[In32BitMode]>;
 
-def : MnemonicAlias<"repe",  "rep",   "att">;
-def : MnemonicAlias<"repz",  "rep",   "att">;
-def : MnemonicAlias<"repnz", "repne", "att">;
+def : MnemonicAlias<"repe",  "rep">;
+def : MnemonicAlias<"repz",  "rep">;
+def : MnemonicAlias<"repnz", "repne">;
 
 def : MnemonicAlias<"ret", "retw", "att">, Requires<[In16BitMode]>;
 def : MnemonicAlias<"ret", "retl", "att">, Requires<[In32BitMode]>;
diff --git a/test/MC/X86/intel-syntax.s b/test/MC/X86/intel-syntax.s
index 98bec04f50f..8be9642bc5c 100644
--- a/test/MC/X86/intel-syntax.s
+++ b/test/MC/X86/intel-syntax.s
@@ -688,3 +688,16 @@ imul rbx, 123
 // CHECK: imulw $123, %bx
 // CHECK: imull $123, %ebx
 // CHECK: imulq $123, %rbx
+
+repe cmpsb
+repz cmpsb
+repne cmpsb
+repnz cmpsb
+// CHECK: rep
+// CHECK: cmpsb	%es:(%rdi), (%rsi)
+// CHECK: rep
+// CHECK: cmpsb	%es:(%rdi), (%rsi)
+// CHECK: repne
+// CHECK: cmpsb	%es:(%rdi), (%rsi)
+// CHECK: repne
+// CHECK: cmpsb	%es:(%rdi), (%rsi)