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[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

llvm-svn: 254877
This commit is contained in:
Marina Yatsina 2015-12-06 15:31:47 +00:00
parent 3a5614599a
commit 1d1aa0b0a8
2 changed files with 7 additions and 2 deletions
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4
llvm/lib/Target/X86/X86InstrInfo.td
View File

@ -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]>;

5
llvm/test/MC/X86/intel-syntax.s
View File

@ -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