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Fix disassembling of PAUSE instruction. Fixes PR10900. Also fixed NOP disassembling to ignore OpSize and REX.W.

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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@139484 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Craig Topper
2011-09-11 20:23:20 +00:00
parent e4481d8ce5
commit 842f58f9be
3 changed files with 9 additions and 3 deletions
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utils/TableGen/X86RecognizableInstr.cpp
+2 -1
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@@ -325,7 +325,7 @@ InstructionContext RecognizableInstr::insnContext() const {
insnContext = IC_OPSIZE;
else if (Prefix == X86Local::XD)
insnContext = IC_XD;
else if (Prefix == X86Local::XS)
else if (Prefix == X86Local::XS || Prefix == X86Local::REP)
insnContext = IC_XS;
else
insnContext = IC;
@@ -882,6 +882,7 @@ void RecognizableInstr::emitDecodePath(DisassemblerTables &tables) const {
}
opcodeToSet = 0xd8 + (Prefix - X86Local::D8);
break;
case X86Local::REP:
default:
opcodeType = ONEBYTE;
switch (Opcode) {