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arm_types: Implement LocationDescription::FPSCR_RMode

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This commit is contained in:
MerryMage 2016-08-23 02:22:04 +01:00
parent 0ebad78432
commit 2471be317e
1 changed files with 8 additions and 0 deletions
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8
src/frontend/arm_types.h
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@ -64,6 +64,13 @@ enum class SignExtendRotation {
ROR_24 ///< ROR #24
};
enum class FPRoundingMode {
RoundToNearest,
RoundTowardsPositiveInfinity,
RoundTowardsNegativeInfinity,
RoundTowardsZero,
};
/**
* LocationDescriptor describes the location of a basic block.
* The location is not solely based on the PC because other flags influence the way
@ -84,6 +91,7 @@ struct LocationDescriptor {
bool FPSCR_DN() const { return Common::Bit<25>(fpscr); }
u32 FPSCR_Len() const { return Common::Bits<16, 18>(fpscr) + 1; }
u32 FPSCR_Stride() const { return Common::Bits<20, 21>(fpscr) + 1; }
FPRoundingMode FPSCR_RMode() const { return static_cast<FPRoundingMode>(Common::Bits<22, 23>(fpscr)); }
bool operator == (const LocationDescriptor& o) const {
return std::tie(arm_pc, tflag, eflag, fpscr) == std::tie(o.arm_pc, o.tflag, o.eflag, o.fpscr);