diff options
Diffstat (limited to 'compiler_and_linker/FrontEnd/Optimizer/BitVector.h')
-rw-r--r-- | compiler_and_linker/FrontEnd/Optimizer/BitVector.h | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/compiler_and_linker/FrontEnd/Optimizer/BitVector.h b/compiler_and_linker/FrontEnd/Optimizer/BitVector.h new file mode 100644 index 0000000..a6830d6 --- /dev/null +++ b/compiler_and_linker/FrontEnd/Optimizer/BitVector.h @@ -0,0 +1,36 @@ +#ifndef COMPILER_IROBITVECT_H +#define COMPILER_IROBITVECT_H + +#include "compiler/common.h" +#include "compiler/CError.h" + +typedef struct BitVector { + UInt32 size; + UInt32 data[0]; +} BitVector; + +extern void Bv_AllocVector(BitVector **bv, UInt32 size); +extern void Bv_AllocVectorLocal(BitVector **bv, UInt32 size); +extern void Bv_ClearBit(UInt32 bit, BitVector *bv); +extern void Bv_And(const BitVector *a, BitVector *b); +extern void Bv_Or(const BitVector *a, BitVector *b); +extern Boolean Bv_BitsInCommon(const BitVector *a, const BitVector *b); +extern Boolean Bv_Compare(const BitVector *a, const BitVector *b); +extern void Bv_Minus(const BitVector *a, BitVector *b); +extern void Bv_Copy(const BitVector *src, BitVector *dst); +extern void Bv_Clear(BitVector *bv); +extern void Bv_Set(BitVector *bv); +extern Boolean Bv_IsSubset(const BitVector *a, const BitVector *b); +extern Boolean Bv_IsEmpty(const BitVector *bv); + +CW_INLINE void Bv_SetBit(UInt32 bit, BitVector *bv) { + if ((bit / 32) < bv->size) { + bv->data[bit / 32] |= 1 << (bit & 31); + } else { + CError_FATAL(56); + } +} + +#define Bv_IsBitSet(_bit, _bv) ( (((_bit) >> 5) < (_bv)->size) && ((_bv)->data[(_bit) >> 5] & (1 << ((_bit) & 31))) ) + +#endif |