diff options
Diffstat (limited to 'gcc/opts.c')
| -rw-r--r-- | gcc/opts.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/gcc/opts.c b/gcc/opts.c index 8cce46a2951..165d7ec3a55 100644 --- a/gcc/opts.c +++ b/gcc/opts.c @@ -289,6 +289,11 @@ init_options_struct (struct gcc_options *opts, struct gcc_options *opts_set) opts_set->x_param_values = XCNEWVEC (int, num_params); init_param_values (opts->x_param_values); + /* Use priority coloring if cover classes is not defined for the + target. */ + if (targetm.ira_cover_classes == NULL) + opts->x_flag_ira_algorithm = IRA_ALGORITHM_PRIORITY; + /* Initialize whether `char' is signed. */ opts->x_flag_signed_char = DEFAULT_SIGNED_CHAR; /* Set this to a special "uninitialized" value. The actual default @@ -753,6 +758,14 @@ finish_options (struct gcc_options *opts, struct gcc_options *opts_set, if (!opts->x_flag_sel_sched_pipelining) opts->x_flag_sel_sched_pipelining_outer_loops = 0; + if (!targetm.ira_cover_classes + && opts->x_flag_ira_algorithm == IRA_ALGORITHM_CB) + { + inform (loc, + "-fira-algorithm=CB does not work on this architecture"); + opts->x_flag_ira_algorithm = IRA_ALGORITHM_PRIORITY; + } + if (opts->x_flag_conserve_stack) { maybe_set_param_value (PARAM_LARGE_STACK_FRAME, 100, |