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[X86] Use a MnemonicAlias instead of an InstAlias.

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llvm-svn: 331157
This commit is contained in:
Craig Topper 2018-04-30 06:21:19 +00:00
parent ee59255cbe
commit b06e747f92
2 changed files with 8 additions and 9 deletions
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8
lib/Target/X86/X86InstrInfo.td
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@ -2917,6 +2917,14 @@ def : MnemonicAlias<"sgdt", "sgdtq", "att">, Requires<[In64BitMode]>;
def : MnemonicAlias<"sidt", "sidtw", "att">, Requires<[In16BitMode]>;
def : MnemonicAlias<"sidt", "sidtl", "att">, Requires<[In32BitMode]>;
def : MnemonicAlias<"sidt", "sidtq", "att">, Requires<[In64BitMode]>;
def : MnemonicAlias<"lgdt", "lgdtw", "intel">, Requires<[In16BitMode]>;
def : MnemonicAlias<"lgdt", "lgdtd", "intel">, Requires<[In32BitMode]>;
def : MnemonicAlias<"lidt", "lidtw", "intel">, Requires<[In16BitMode]>;
def : MnemonicAlias<"lidt", "lidtd", "intel">, Requires<[In32BitMode]>;
def : MnemonicAlias<"sgdt", "sgdtw", "intel">, Requires<[In16BitMode]>;
def : MnemonicAlias<"sgdt", "sgdtd", "intel">, Requires<[In32BitMode]>;
def : MnemonicAlias<"sidt", "sidtw", "intel">, Requires<[In16BitMode]>;
def : MnemonicAlias<"sidt", "sidtd", "intel">, Requires<[In32BitMode]>;
// Floating point stack aliases.

9
lib/Target/X86/X86InstrSystem.td
View File

@ -402,15 +402,6 @@ def LLDT16m : I<0x00, MRM2m, (outs), (ins i16mem:$src),
"lldt{w}\t$src", []>, TB;
} // SchedRW
def : InstAlias<"sgdt\t$dst", (SGDT16m opaque48mem:$dst), 0>, Requires<[In16BitMode]>;
def : InstAlias<"sgdt\t$dst", (SGDT32m opaque48mem:$dst), 0>, Requires<[In32BitMode]>;
def : InstAlias<"sidt\t$dst", (SIDT16m opaque48mem:$dst), 0>, Requires<[In16BitMode]>;
def : InstAlias<"sidt\t$dst", (SIDT32m opaque48mem:$dst), 0>, Requires<[In32BitMode]>;
def : InstAlias<"lgdt\t$src", (LGDT16m opaque48mem:$src), 0>, Requires<[In16BitMode]>;
def : InstAlias<"lgdt\t$src", (LGDT32m opaque48mem:$src), 0>, Requires<[In32BitMode]>;
def : InstAlias<"lidt\t$src", (LIDT16m opaque48mem:$src), 0>, Requires<[In16BitMode]>;
def : InstAlias<"lidt\t$src", (LIDT32m opaque48mem:$src), 0>, Requires<[In32BitMode]>;
//===----------------------------------------------------------------------===//
// Specialized register support
let SchedRW = [WriteSystem] in {