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[X86] Add support for loopz, loopnz for Intel syntax

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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
This commit is contained in:
Marina Yatsina 2015-12-06 15:31:47 +00:00
parent 023610af4f
commit 1c73aa0b63
2 changed files with 7 additions and 2 deletions
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4
lib/Target/X86/X86InstrInfo.td
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@ -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
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