[llvm] r244584 - [X86] Fix REPE, REPZ, REPNZ for intel syntax

[Marina Yatsina via llvm-commits]

Author: myatsina
Date: Tue Aug 11 06:28:10 2015
New Revision: 244584

URL: http://llvm.org/viewvc/llvm-project?rev=244584&view=rev
Log:
[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

Modified:
    llvm/trunk/lib/Target/X86/X86InstrInfo.td
    llvm/trunk/test/MC/X86/intel-syntax.s

Modified: llvm/trunk/lib/Target/X86/X86InstrInfo.td
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/lib/Target/X86/X86InstrInfo.td?rev=244584&r1=244583&r2=244584&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrInfo.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrInfo.td Tue Aug 11 06:28:10 2015
@@ -2540,9 +2540,9 @@ def : MnemonicAlias<"pusha",  "pushaw",
 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]>;

Modified: llvm/trunk/test/MC/X86/intel-syntax.s
URL: http://llvm.org/viewvc/llvm-project/llvm/trunk/test/MC/X86/intel-syntax.s?rev=244584&r1=244583&r2=244584&view=diff
==============================================================================
--- llvm/trunk/test/MC/X86/intel-syntax.s (original)
+++ llvm/trunk/test/MC/X86/intel-syntax.s Tue Aug 11 06:28:10 2015
@@ -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)