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[X86] Disable sldtq parsing in 64-bit mode. 

llvm-svn: 322353
This commit is contained in:
Craig Topper 2018-01-12 05:38:15 +00:00
parent 3554a71cf1
commit 0ccbbf3f3b
1 changed files with 2 additions and 2 deletions
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4
llvm/lib/Target/X86/X86InstrSystem.td
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@ -417,10 +417,10 @@ def SLDT32r : I<0x00, MRM0r, (outs GR32:$dst), (ins),
// LLDT is not interpreted specially in 64-bit mode because there is no sign
// extension.
def SLDT64r : RI<0x00, MRM0r, (outs GR64:$dst), (ins),
"sldt{q}\t$dst", [], IIC_SLDT>, TB;
"sldt{q}\t$dst", [], IIC_SLDT>, TB, Requires<[In64BitMode]>;
let mayStore = 1 in
def SLDT64m : RI<0x00, MRM0m, (outs), (ins i16mem:$dst),
"sldt{q}\t$dst", [], IIC_SLDT>, TB;
"sldt{q}\t$dst", [], IIC_SLDT>, TB, Requires<[In64BitMode]>;
def LGDT16m : I<0x01, MRM2m, (outs), (ins opaque48mem:$src),
"lgdt{w}\t$src", [], IIC_LGDT>, TB, OpSize16, Requires<[Not64BitMode]>;