diff options
Diffstat (limited to 'gcc/ira.c')
| -rw-r--r-- | gcc/ira.c | 24 |
1 files changed, 3 insertions, 21 deletions
@@ -490,23 +490,6 @@ setup_class_hard_regs (void) } } -/* Set up IRA_AVAILABLE_CLASS_REGS. */ -static void -setup_available_class_regs (void) -{ - int i, j; - - memset (ira_available_class_regs, 0, sizeof (ira_available_class_regs)); - for (i = 0; i < N_REG_CLASSES; i++) - { - COPY_HARD_REG_SET (temp_hard_regset, reg_class_contents[i]); - AND_COMPL_HARD_REG_SET (temp_hard_regset, no_unit_alloc_regs); - for (j = 0; j < FIRST_PSEUDO_REGISTER; j++) - if (TEST_HARD_REG_BIT (temp_hard_regset, j)) - ira_available_class_regs[i]++; - } -} - /* Set up global variables defining info about hard registers for the allocation. These depend on USE_HARD_FRAME_P whose TRUE value means that we can use the hard frame pointer for the allocation. */ @@ -520,7 +503,6 @@ setup_alloc_regs (bool use_hard_frame_p) if (! use_hard_frame_p) SET_HARD_REG_BIT (no_unit_alloc_regs, HARD_FRAME_POINTER_REGNUM); setup_class_hard_regs (); - setup_available_class_regs (); } @@ -799,9 +781,9 @@ setup_pressure_classes (void) n = 0; for (cl = 0; cl < N_REG_CLASSES; cl++) { - if (ira_available_class_regs[cl] == 0) + if (ira_class_hard_regs_num[cl] == 0) continue; - if (ira_available_class_regs[cl] != 1 + if (ira_class_hard_regs_num[cl] != 1 /* A register class without subclasses may contain a few hard registers and movement between them is costly (e.g. SPARC FPCC registers). We still should consider it @@ -1504,7 +1486,7 @@ ira_init_register_move_cost (enum machine_mode mode) { /* Some subclasses are to small to have enough registers to hold a value of MODE. Just ignore them. */ - if (ira_reg_class_max_nregs[cl1][mode] > ira_available_class_regs[cl1]) + if (ira_reg_class_max_nregs[cl1][mode] > ira_class_hard_regs_num[cl1]) continue; COPY_HARD_REG_SET (temp_hard_regset, reg_class_contents[cl1]); AND_COMPL_HARD_REG_SET (temp_hard_regset, no_unit_alloc_regs); |