[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

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@254877 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Target/X86/X86InstrInfo.td b/lib/Target/X86/X86InstrInfo.td
index 1c21a098bc6c93f06020bba9a17d0ec7972868e6..4a4ceaca88f47b4c0668fe519b91e816c9aa6510 100644 (file)
--- a/lib/Target/X86/X86InstrInfo.td
+++ b/lib/Target/X86/X86InstrInfo.td
@@ -2572,8 +2572,8 @@ def : MnemonicAlias<"lret", "lretl", "att">, Requires<[Not16BitMode]>;
 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]>;

diff --git a/test/MC/X86/intel-syntax.s b/test/MC/X86/intel-syntax.s
index 71bf6cc0ffdbba0cadd0b2efd779e989486f8dad..214d827168b80218568137e52e1dc3161502eb56 100644 (file)
--- a/test/MC/X86/intel-syntax.s
+++ b/test/MC/X86/intel-syntax.s
@@ -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