diff options
Diffstat (limited to 'gcc/ira-build.c')
| -rw-r--r-- | gcc/ira-build.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/gcc/ira-build.c b/gcc/ira-build.c index dba1d467ad7..1181813d92b 100644 --- a/gcc/ira-build.c +++ b/gcc/ira-build.c @@ -3047,11 +3047,10 @@ update_conflict_hard_reg_costs (void) { reg_class_t aclass = ALLOCNO_CLASS (a); reg_class_t pref = reg_preferred_class (ALLOCNO_REGNO (a)); - - if (reg_class_size[(int) pref] != 1) + int singleton = ira_class_singleton[pref][ALLOCNO_MODE (a)]; + if (singleton < 0) continue; - index = ira_class_hard_reg_index[(int) aclass] - [ira_class_hard_regs[(int) pref][0]]; + index = ira_class_hard_reg_index[(int) aclass][singleton]; if (index < 0) continue; if (ALLOCNO_CONFLICT_HARD_REG_COSTS (a) == NULL |