Cross Reference: /openjdk7/hotspot/src/share/vm/opto/regmask.hpp

Lines Matching refs:mask
68 int find_lowest_bit( uint32 mask );
70 int find_hihghest_bit( uint32 mask );
74 // as any notion of register classes.  We provide a register mask, which is
78 // RM_SIZE is the size of a register mask in words.
79 // FORALL_BODY replicates a BODY macro once per word in the register mask.
122   // A constructor only used by the ADLC output.  All mask fields are filled
141   // Construct an empty mask
144   // Construct a mask with a single bit
147   // Check for register being in mask
153   // The last bit in the register mask indicates that the mask should repeat
154   // indefinitely with ONE bits.  Returns TRUE if mask is infinite or
155   // unbounded in size.  Returns FALSE if mask is finite size.
166   // Test for being a not-empty mask.
175   // Find lowest-numbered register from mask, or BAD if mask is empty.
184   // Get highest-numbered register from mask, or BAD if mask is empty.
194   // Find the lowest-numbered register pair in the mask.  Return the
196   // Assert that the mask contains only bit pairs.
203   // Verify that the mask contains only aligned adjacent bit pairs
204   void verify_pairs() const { assert( is_aligned_pairs(), "mask is not aligned, adjacent pairs" ); }
205   // Test that the mask contains only aligned adjacent bit pairs
208   // mask is a pair of misaligned registers
225   // Find the lowest-numbered register set in the mask.  Return the
227   // Assert that the mask contains only bit sets.
234   // Verify that the mask contains only aligned adjacent bit sets
235   void verify_sets(int size) const { assert(is_aligned_sets(size), "mask is not aligned, adjacent sets"); }
236   // Test that the mask contains only aligned adjacent bit sets
239   // mask is a set of misaligned registers
261   // Clear a register mask
268   // Fill a register mask with 1's
275   // Insert register into mask
281   // Remove register from mask
308   // Compute size of register mask: number of bits
313   void dump(outputStream *st = tty) const; // Print a mask
316   static const RegMask Empty;   // Common empty mask
321     //       -7 is to keep mask aligned for largest value (VecY).
326     //       to keep mask aligned for largest value (VecY).