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Fixed the disassembler to handle two new X86

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instruction forms.  Now the ENTER instruction
disassembles correctly.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@115573 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Sean Callanan 2010-10-04 22:45:51 +00:00
parent 2a135ae530
commit 6aeb2e32b7
1 changed files with 16 additions and 1 deletions
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17
utils/TableGen/X86RecognizableInstr.cpp
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@ -51,10 +51,11 @@ namespace X86Local {
MRM0m = 24, MRM1m = 25, MRM2m = 26, MRM3m = 27,
MRM4m = 28, MRM5m = 29, MRM6m = 30, MRM7m = 31,
MRMInitReg = 32,
#define MAP(from, to) MRM_##from = to,
MRM_MAPPING
#undef MAP
RawFrmImm8 = 43,
RawFrmImm16 = 44,
lastMRM
};
@ -587,6 +588,20 @@ void RecognizableInstr::emitInstructionSpecifier(DisassemblerTables &tables) {
HANDLE_OPERAND(memory)
HANDLE_OPTIONAL(relocation)
break;
case X86Local::RawFrmImm8:
// operand 1 is a 16-bit immediate
// operand 2 is an 8-bit immediate
assert(numPhysicalOperands == 2 &&
"Unexpected number of operands for X86Local::RawFrmImm8");
HANDLE_OPERAND(immediate)
HANDLE_OPERAND(immediate)
break;
case X86Local::RawFrmImm16:
// operand 1 is a 16-bit immediate
// operand 2 is a 16-bit immediate
HANDLE_OPERAND(immediate)
HANDLE_OPERAND(immediate)
break;
case X86Local::MRMInitReg:
// Ignored.
break;