[X86] Use a MnemonicAlias instead of an InstAlias.

llvm-svn: 331157

diff --git a/llvm/lib/Target/X86/X86InstrInfo.td b/llvm/lib/Target/X86/X86InstrInfo.td
index 228c46e..ac35bca 100644 (file)
--- a/llvm/lib/Target/X86/X86InstrInfo.td
+++ b/llvm/lib/Target/X86/X86InstrInfo.td
@@ -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.

diff --git a/llvm/lib/Target/X86/X86InstrSystem.td b/llvm/lib/Target/X86/X86InstrSystem.td
index 245afa5..7d833b5 100644 (file)
--- a/llvm/lib/Target/X86/X86InstrSystem.td
+++ b/llvm/lib/Target/X86/X86InstrSystem.td
@@ -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 {