Searched refs:o_mask (Results 1 - 1 of 1) sorted by relevance

/openjdk7/hotspot/src/share/vm/opto/
H A Dreg_split.cpp82 const RegMask *o_mask = use ? &use->in_RegMask(uidx) : w_mask; local
88 if( w_mask->overlap( *o_mask ) && // Overlap AND
91 || !is_vect && o_mask->is_aligned_pairs()) ) {
92 assert(!is_vect || o_mask->is_aligned_sets(num_regs), "vectors are aligned");
95 } else { // wide ideal mask does not overlap with o_mask
97 w_o_mask = o_mask; // Must target desired registers
98 // Does the ideal-reg-mask overlap with o_mask? I.e., can I use
101 if( !C->matcher()->idealreg2regmask[ireg]->overlap( *o_mask) && o_mask->is_UP() )

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