diff options
Diffstat (limited to 'gcc/ira.c')
| -rw-r--r-- | gcc/ira.c | 38 |
1 files changed, 15 insertions, 23 deletions
@@ -5205,35 +5205,27 @@ ira (FILE *f) /* Perform target specific PIC register initialization. */ targetm.init_pic_reg (); - if (optimize) - { - ira_conflicts_p = true; - - /* Determine the number of pseudos actually requiring coloring. */ - unsigned int num_used_regs = 0; - for (unsigned int i = FIRST_PSEUDO_REGISTER; i < DF_REG_SIZE (df); i++) - if (DF_REG_DEF_COUNT (i) || DF_REG_USE_COUNT (i)) - num_used_regs++; - - /* If there are too many pseudos and/or basic blocks (e.g. 10K - pseudos and 10K blocks or 100K pseudos and 1K blocks), we will - use simplified and faster algorithms in LRA. */ - lra_simple_p - = ira_use_lra_p - && num_used_regs >= (1U << 26) / last_basic_block_for_fn (cfun); - } - else - { - ira_conflicts_p = false; - lra_simple_p = ira_use_lra_p; - } + ira_conflicts_p = optimize > 0; + + /* Determine the number of pseudos actually requiring coloring. */ + unsigned int num_used_regs = 0; + for (unsigned int i = FIRST_PSEUDO_REGISTER; i < DF_REG_SIZE (df); i++) + if (DF_REG_DEF_COUNT (i) || DF_REG_USE_COUNT (i)) + num_used_regs++; + + /* If there are too many pseudos and/or basic blocks (e.g. 10K + pseudos and 10K blocks or 100K pseudos and 1K blocks), we will + use simplified and faster algorithms in LRA. */ + lra_simple_p + = ira_use_lra_p + && num_used_regs >= (1U << 26) / last_basic_block_for_fn (cfun); if (lra_simple_p) { /* It permits to skip live range splitting in LRA. */ flag_caller_saves = false; /* There is no sense to do regional allocation when we use - simplified LRA. */ + simplified LRA. */ flag_ira_region = IRA_REGION_ONE; ira_conflicts_p = false; } |