diff options
Diffstat (limited to 'gcc/opts.c')
| -rw-r--r-- | gcc/opts.c | 35 |
1 files changed, 24 insertions, 11 deletions
diff --git a/gcc/opts.c b/gcc/opts.c index a87fb498b15..42e3beeb926 100644 --- a/gcc/opts.c +++ b/gcc/opts.c @@ -870,9 +870,11 @@ decode_options (unsigned int argc, const char **argv) } } - /* Use IRA if it is implemented for the target. */ - if (targetm.ira_cover_classes) - flag_ira = 1; + flag_ira = 1; + /* Use priority coloring if cover classes is not defined for the + target. */ + if (targetm.ira_cover_classes == NULL) + flag_ira_algorithm = IRA_ALGORITHM_PRIORITY; /* -O1 optimizations. */ opt1 = (optimize >= 1); @@ -1096,10 +1098,12 @@ decode_options (unsigned int argc, const char **argv) if (!flag_sel_sched_pipelining) flag_sel_sched_pipelining_outer_loops = 0; - if (flag_ira && !targetm.ira_cover_classes) + if (flag_ira && !targetm.ira_cover_classes + && flag_ira_algorithm == IRA_ALGORITHM_CB) { - inform (input_location, "-fira does not work on this architecture"); - flag_ira = 0; + inform (input_location, + "-fira-algorithm=CB does not work on this architecture"); + flag_ira_algorithm = IRA_ALGORITHM_PRIORITY; } /* Save the current optimization options if this is the first call. */ @@ -1976,16 +1980,25 @@ common_handle_option (size_t scode, const char *arg, int value, break; case OPT_fira_algorithm_: - if (!strcmp (arg, "regional")) - flag_ira_algorithm = IRA_ALGORITHM_REGIONAL; - else if (!strcmp (arg, "CB")) + if (!strcmp (arg, "CB")) flag_ira_algorithm = IRA_ALGORITHM_CB; - else if (!strcmp (arg, "mixed")) - flag_ira_algorithm = IRA_ALGORITHM_MIXED; + else if (!strcmp (arg, "priority")) + flag_ira_algorithm = IRA_ALGORITHM_PRIORITY; else warning (0, "unknown ira algorithm \"%s\"", arg); break; + case OPT_fira_region_: + if (!strcmp (arg, "one")) + flag_ira_region = IRA_REGION_ONE; + else if (!strcmp (arg, "all")) + flag_ira_region = IRA_REGION_ALL; + else if (!strcmp (arg, "mixed")) + flag_ira_region = IRA_REGION_MIXED; + else + warning (0, "unknown ira region \"%s\"", arg); + break; + case OPT_fira_verbose_: flag_ira_verbose = value; break; |