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Revert "Use std::bitset for SubtargetFeatures"

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This reverts commit r233055.

It still causes buildbot failures (gcc running out of memory on several platforms, and a self-host failure on arm), although less than the previous time.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@233068 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Michael Kuperstein
2015-03-24 12:56:59 +00:00
parent 9990bb34aa
commit 765aab84d6
33 changed files with 308 additions and 348 deletions
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10
utils/TableGen/FixedLenDecoderEmitter.cpp
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@ -848,7 +848,7 @@ emitPredicateFunction(formatted_raw_ostream &OS, PredicateSet &Predicates,
// The predicate function is just a big switch statement based on the
// input predicate index.
OS.indent(Indentation) << "static bool checkDecoderPredicate(unsigned Idx, "
<< "const FeatureBitset& Bits) {\n";
<< "uint64_t Bits) {\n";
Indentation += 2;
if (!Predicates.empty()) {
OS.indent(Indentation) << "switch (Idx) {\n";
@ -1102,10 +1102,10 @@ unsigned FilterChooser::getDecoderIndex(DecoderSet &Decoders,
static void emitSinglePredicateMatch(raw_ostream &o, StringRef str,
const std::string &PredicateNamespace) {
if (str[0] == '!')
o << "!Bits[" << PredicateNamespace << "::"
<< str.slice(1,str.size()) << "]";
o << "!(Bits & " << PredicateNamespace << "::"
<< str.slice(1,str.size()) << ")";
else
o << "Bits[" << PredicateNamespace << "::" << str << "]";
o << "(Bits & " << PredicateNamespace << "::" << str << ")";
}
bool FilterChooser::emitPredicateMatch(raw_ostream &o, unsigned &Indentation,
@ -2010,7 +2010,7 @@ static void emitDecodeInstruction(formatted_raw_ostream &OS) {
<< " InsnType insn, uint64_t Address,\n"
<< " const void *DisAsm,\n"
<< " const MCSubtargetInfo &STI) {\n"
<< " const FeatureBitset& Bits = STI.getFeatureBits();\n"
<< " uint64_t Bits = STI.getFeatureBits();\n"
<< "\n"
<< " const uint8_t *Ptr = DecodeTable;\n"
<< " uint32_t CurFieldValue = 0;\n"