[llvm] r254877 - [X86] Add support for loopz, loopnz for Intel syntax

[Marina Yatsina via llvm-commits]

Author: myatsina
Date: Sun Dec  6 09:31:47 2015
New Revision: 254877

URL: http://llvm.org/viewvc/llvm-project?rev=254877&view=rev
Log:
[X86]  Add support for loopz, loopnz for Intel syntax

According to x86 spec, loopz and loopnz should be supported for Intel syntax, where loopz is equivalent to loope and loopnz is equivalent to loopne.

Differential Revision: http://reviews.llvm.org/D15148


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=254877&r1=254876&r2=254877&view=diff
==============================================================================
--- llvm/trunk/lib/Target/X86/X86InstrInfo.td (original)
+++ llvm/trunk/lib/Target/X86/X86InstrInfo.td Sun Dec  6 09:31:47 2015
@@ -2572,8 +2572,8 @@ def : MnemonicAlias<"lret", "lretl", "at
 def : MnemonicAlias<"leavel", "leave", "att">, Requires<[Not64BitMode]>;
 def : MnemonicAlias<"leaveq", "leave", "att">, Requires<[In64BitMode]>;
 
-def : MnemonicAlias<"loopz",  "loope",  "att">;
-def : MnemonicAlias<"loopnz", "loopne", "att">;
+def : MnemonicAlias<"loopz",  "loope">;
+def : MnemonicAlias<"loopnz", "loopne">;
 
 def : MnemonicAlias<"pop",   "popw",  "att">, Requires<[In16BitMode]>;
 def : MnemonicAlias<"pop",   "popl",  "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=254877&r1=254876&r2=254877&view=diff
==============================================================================
--- llvm/trunk/test/MC/X86/intel-syntax.s (original)
+++ llvm/trunk/test/MC/X86/intel-syntax.s Sun Dec  6 09:31:47 2015
@@ -741,3 +741,8 @@ fcomip st, st(2)
 fucomip st, st(2)
 // CHECK: fcompi  %st(2)
 // CHECK: fucompi  %st(2)
+
+loopz _foo
+loopnz _foo
+// CHECK: loope _foo
+// CHECK: loopne _foo