Cross Reference: /openjdk7/hotspot/src/share/vm/opto/chaitin.cpp

Lines Matching defs:chunk
1136 static bool is_legal_reg(LRG &lrg, OptoReg::Name reg, int chunk) {
1137   if (reg >= chunk && reg < (chunk + RegMask::CHUNK_SIZE) &&
1138       lrg.mask().Member(OptoReg::add(reg,-chunk))) {
1163 OptoReg::Name PhaseChaitin::bias_color( LRG &lrg, int chunk ) {
1177       if (is_legal_reg(lrg, reg, chunk))
1188       if (is_legal_reg(lrg, reg, chunk))
1190     } else if( chunk == 0 ) {
1204     return OptoReg::add(lrg.mask().find_first_set(lrg.num_regs()),chunk);
1220   return OptoReg::add( reg, chunk );
1224 // Choose a color in the current chunk
1225 OptoReg::Name PhaseChaitin::choose_color( LRG &lrg, int chunk ) {
1226   assert( C->in_preserve_stack_slots() == 0 || chunk != 0 || lrg._is_bound || lrg.mask().is_bound1() || !lrg.mask().Member(OptoReg::Name(_matcher._old_SP-1)), "must not allocate stack0 (inside preserve area)");
1227   assert(C->out_preserve_stack_slots() == 0 || chunk != 0 || lrg._is_bound || lrg.mask().is_bound1() || !lrg.mask().Member(OptoReg::Name(_matcher._old_SP+0)), "must not allocate stack0 (inside preserve area)");
1232     return bias_color(lrg, chunk);
1240   assert( !chunk, "always color in 1st chunk" );
1278     // live range that cannot color in the current chunk, and it
1279     // has to move into the next free stack chunk.
1280     int chunk = 0;              // Current chunk is first chunk
1291       // of its color will be a no-op, since the spill_reg chunk is in outer
1292       // space.  Also, if neighbor is in a different chunk, this exclusion
1294       // its chunk, a new chunk of color may be tried, in which case
1298       // Only subtract masks in the same chunk
1299       if( nreg >= chunk && nreg < chunk + RegMask::CHUNK_SIZE ) {
1330     OptoReg::Name reg = choose_color( *lrg, chunk );
1338     // a chunk-rollover event
1339     if(!OptoReg::is_valid(OptoReg::add(reg,-chunk)) && is_allstack) {
1340       // Bump register mask up to next stack chunk
1341       chunk += RegMask::CHUNK_SIZE;
1360       reg = OptoReg::add(reg,-chunk);