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Simplify code that filtered certain instructions in two different ways. No functional change. 

llvm-svn: 160948
This commit is contained in:
Craig Topper 2012-07-30 05:10:05 +00:00
parent 3cb72b476d
commit b58dc17025
1 changed files with 1 additions and 14 deletions
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15
llvm/utils/TableGen/X86RecognizableInstr.cpp
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@ -475,7 +475,7 @@ RecognizableInstr::filter_ret RecognizableInstr::filter() const {
if (HasFROperands && Name.find("MOV") != Name.npos && if (HasFROperands && Name.find("MOV") != Name.npos &&
((Name.find("2") != Name.npos && Name.find("32") == Name.npos) || ((Name.find("2") != Name.npos && Name.find("32") == Name.npos) ||
(Name.find("to") != Name.npos))) (Name.find("to") != Name.npos)))
return FILTER_WEAK; return FILTER_STRONG;
return FILTER_NORMAL; return FILTER_NORMAL;
} }
@ -568,9 +568,6 @@ void RecognizableInstr::emitInstructionSpecifier(DisassemblerTables &tables) {
// operandMapping maps from operands in OperandList to their originals. // operandMapping maps from operands in OperandList to their originals.
// If operandMapping[i] != i, then the entry is a duplicate. // If operandMapping[i] != i, then the entry is a duplicate.
unsigned operandMapping[X86_MAX_OPERANDS]; unsigned operandMapping[X86_MAX_OPERANDS];
bool hasFROperands = false;
assert(numOperands <= X86_MAX_OPERANDS && "X86_MAX_OPERANDS is not large enough"); assert(numOperands <= X86_MAX_OPERANDS && "X86_MAX_OPERANDS is not large enough");
for (unsigned operandIndex = 0; operandIndex < numOperands; ++operandIndex) { for (unsigned operandIndex = 0; operandIndex < numOperands; ++operandIndex) {
@ -588,18 +585,8 @@ void RecognizableInstr::emitInstructionSpecifier(DisassemblerTables &tables) {
++numPhysicalOperands; ++numPhysicalOperands;
operandMapping[operandIndex] = operandIndex; operandMapping[operandIndex] = operandIndex;
} }
const std::string &recName = OperandList[operandIndex].Rec->getName();
if (recName.find("FR") != recName.npos)
hasFROperands = true;
} }
if (hasFROperands && Name.find("MOV") != Name.npos &&
((Name.find("2") != Name.npos && Name.find("32") == Name.npos) ||
(Name.find("to") != Name.npos)))
ShouldBeEmitted = false;
if (!ShouldBeEmitted) if (!ShouldBeEmitted)
return; return;