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Recognize loopz and loopnz as aliases for loope and loopne. 

From Dimitry Andric.

llvm-svn: 126168
This commit is contained in:
Joerg Sonnenberger 2011-02-22 00:43:07 +00:00
parent cc9c8eb837
commit 60e7629258
3 changed files with 19 additions and 0 deletions
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3
llvm/lib/Target/X86/X86InstrInfo.td
View File

@ -1296,6 +1296,9 @@ def : MnemonicAlias<"lret", "lretl">;
def : MnemonicAlias<"leavel", "leave">, Requires<[In32BitMode]>;
def : MnemonicAlias<"leaveq", "leave">, Requires<[In64BitMode]>;
def : MnemonicAlias<"loopz", "loope">;
def : MnemonicAlias<"loopnz", "loopne">;
def : MnemonicAlias<"pop", "popl">, Requires<[In32BitMode]>;
def : MnemonicAlias<"pop", "popq">, Requires<[In64BitMode]>;
def : MnemonicAlias<"popf", "popfl">, Requires<[In32BitMode]>;

8
llvm/test/MC/X86/x86-32.s
View File

@ -808,3 +808,11 @@ pshufw $90, %mm4, %mm0
// CHECK: ud2b
// CHECK: encoding: [0x0f,0xb9]
ud2b
// CHECK: loope 0
// CHECK: encoding: [0xe1,A]
loopz 0
// CHECK: loopne 0
// CHECK: encoding: [0xe0,A]
loopnz 0

8
llvm/test/MC/X86/x86-64.s
View File

@ -946,3 +946,11 @@ movdqu %xmm0, %xmm1 // CHECK: movdqu %xmm0, %xmm1 # encoding: [0xf3,0x0f,0x6f,0x
// PR8935
xgetbv // CHECK: xgetbv # encoding: [0x0f,0x01,0xd0]
xsetbv // CHECK: xsetbv # encoding: [0x0f,0x01,0xd1]
// CHECK: loope 0
// CHECK: encoding: [0xe1,A]
loopz 0
// CHECK: loopne 0
// CHECK: encoding: [0xe0,A]
loopnz 0