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mips: refine getFeatureBits() to make it more clear what Mips features are supported

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This commit is contained in:
Nguyen Anh Quynh 2014-11-12 15:57:52 +08:00
parent 1ffc1b2201
commit c36e675213
1 changed files with 7 additions and 3 deletions
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10
arch/Mips/MipsDisassembler.c
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@ -205,7 +205,13 @@ static DecodeStatus DecodeBlezGroupBranch_4(MCInst *MI,
// Hacky: enable all features for disassembler
static uint64_t getFeatureBits(int mode)
{
uint64_t Bits = (uint64_t)-1; // include every features by default
uint64_t Bits = (uint64_t)-1; // include every features at first
// By default we do not support Mips1
Bits &= ~Mips_FeatureMips1;
// No MicroMips
Bits &= ~Mips_FeatureMicroMips;
// ref: MipsGenDisassemblerTables.inc::checkDecoderPredicate()
// some features are mutually execlusive
@ -238,8 +244,6 @@ static uint64_t getFeatureBits(int mode)
Bits |= Mips_FeatureMicroMips;
Bits &= ~Mips_FeatureMips4_32r2;
Bits &= ~Mips_FeatureMips2;
} else {
Bits &= ~Mips_FeatureMicroMips;
}
return Bits;