diff options
Diffstat (limited to 'gcc/ira-costs.cc')
| -rw-r--r-- | gcc/ira-costs.cc | 15 |
1 files changed, 9 insertions, 6 deletions
diff --git a/gcc/ira-costs.cc b/gcc/ira-costs.cc index 70cba94..faf706c 100644 --- a/gcc/ira-costs.cc +++ b/gcc/ira-costs.cc @@ -1926,12 +1926,15 @@ calculate_equiv_gains (void) || !bitmap_bit_p (&equiv_pseudos, regno)) continue; - rtx_insn_list *x; - for (x = ira_reg_equiv[regno].init_insns; x != NULL; x = x->next ()) - if (insn == x->insn ()) - break; - if (x != NULL) - continue; /* skip equiv init insn */ + if (ira_reg_equiv[regno].invariant != NULL) + { + rtx_insn_list *x = ira_reg_equiv[regno].init_insns; + for (; x != NULL; x = x->next ()) + if (insn == x->insn ()) + break; + if (x != NULL) + continue; /* skip equiv init insn for invariant */ + } rtx subst = ira_reg_equiv[regno].memory; |