src/hotspot/share/opto/chaitin.cpp

rev 59103 : imported patch hotspot

*** 867,890 ****
            // IA64     1     1     1          1    1         50          41
            // SPARC    2     2     2          2    2         48 (24)     52 (26)
            // SPARCV9  2     2     2          2    2         48 (24)     52 (26)
            // AMD64    1     1     1          1    1         14          15
            // -----------------------------------------------------
- #if defined(SPARC)
-           lrg.set_reg_pressure(2);  // use for v9 as well
- #else
            lrg.set_reg_pressure(1);  // normally one value per register
- #endif
            if( n_type->isa_oop_ptr() ) {
              lrg._is_oop = 1;
            }
            break;
          case Op_RegL:           // Check for long or double
          case Op_RegD:
            lrg.set_num_regs(2);
            // Define platform specific register pressure
! #if defined(SPARC) || defined(ARM32)
            lrg.set_reg_pressure(2);
  #elif defined(IA32)
            if( ireg == Op_RegL ) {
              lrg.set_reg_pressure(2);
            } else {
--- 867,886 ----
            // IA64     1     1     1          1    1         50          41
            // SPARC    2     2     2          2    2         48 (24)     52 (26)
            // SPARCV9  2     2     2          2    2         48 (24)     52 (26)
            // AMD64    1     1     1          1    1         14          15
            // -----------------------------------------------------
            lrg.set_reg_pressure(1);  // normally one value per register
            if( n_type->isa_oop_ptr() ) {
              lrg._is_oop = 1;
            }
            break;
          case Op_RegL:           // Check for long or double
          case Op_RegD:
            lrg.set_num_regs(2);
            // Define platform specific register pressure
! #if defined(ARM32)
            lrg.set_reg_pressure(2);
  #elif defined(IA32)
            if( ireg == Op_RegL ) {
              lrg.set_reg_pressure(2);
            } else {
*** 907,921 ****
          case Op_RegI:
          case Op_RegN:
          case Op_RegFlags:
          case 0:                 // not an ideal register
            lrg.set_num_regs(1);
- #ifdef SPARC
-           lrg.set_reg_pressure(2);
- #else
            lrg.set_reg_pressure(1);
- #endif
            break;
          case Op_VecS:
            assert(Matcher::vector_size_supported(T_BYTE,4), "sanity");
            assert(RegMask::num_registers(Op_VecS) == RegMask::SlotsPerVecS, "sanity");
            lrg.set_num_regs(RegMask::SlotsPerVecS);
--- 903,913 ----
*** 1484,1497 ****
        lrg->clear_to_sets();
      }
  
      // Check if a color is available and if so pick the color
      OptoReg::Name reg = choose_color( *lrg, chunk );
- #ifdef SPARC
-     debug_only(lrg->compute_set_mask_size());
-     assert(lrg->num_regs() < 2 || lrg->is_bound() || is_even(reg-1), "allocate all doubles aligned");
- #endif
  
      //---------------
      // If we fail to color and the AllStack flag is set, trigger
      // a chunk-rollover event
      if(!OptoReg::is_valid(OptoReg::add(reg,-chunk)) && is_allstack) {
--- 1476,1485 ----