diff options
Diffstat (limited to 'gcc/toplev.c')
| -rw-r--r-- | gcc/toplev.c | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/gcc/toplev.c b/gcc/toplev.c index ada79f9..058ccfa 100644 --- a/gcc/toplev.c +++ b/gcc/toplev.c @@ -3311,7 +3311,21 @@ rest_of_compilation (decl) if (optimize > 0) { - TIMEVAR (combine_time, combine_instructions (insns, max_reg_num ())); + int rebuild_jump_labels_after_combine = 0; + + TIMEVAR (combine_time, + { + rebuild_jump_labels_after_combine = + combine_instructions (insns, max_reg_num ()); + }); + + /* Combining insns may have turned an indirect jump into a + direct jump. Rebuid the JUMP_LABEL fields of jumping + instructions. */ + if (rebuild_jump_labels_after_combine) + { + TIMEVAR (jump_time, rebuild_jump_labels (insns)); + } /* Dump rtl code after insn combination. */ |