diff options
Diffstat (limited to 'gcc/unroll.c')
| -rw-r--r-- | gcc/unroll.c | 29 |
1 files changed, 9 insertions, 20 deletions
diff --git a/gcc/unroll.c b/gcc/unroll.c index 03decb7..84ace29 100644 --- a/gcc/unroll.c +++ b/gcc/unroll.c @@ -1735,29 +1735,18 @@ final_reg_note_copy (notesp, map) if (GET_CODE (note) == INSN_LIST) { - /* Sometimes, we have a REG_WAS_0 note that points to a - deleted instruction. In that case, we can just delete the - note. */ - if (REG_NOTE_KIND (note) == REG_WAS_0) + rtx insn = map->insn_map[INSN_UID (XEXP (note, 0))]; + + /* If we failed to remap the note, something is awry. + Allow REG_LABEL as it may reference label outside + the unrolled loop. */ + if (!insn) { - *notesp = XEXP (note, 1); - continue; + if (REG_NOTE_KIND (note) != REG_LABEL) + abort (); } else - { - rtx insn = map->insn_map[INSN_UID (XEXP (note, 0))]; - - /* If we failed to remap the note, something is awry. - Allow REG_LABEL as it may reference label outside - the unrolled loop. */ - if (!insn) - { - if (REG_NOTE_KIND (note) != REG_LABEL) - abort (); - } - else - XEXP (note, 0) = insn; - } + XEXP (note, 0) = insn; } notesp = &XEXP (note, 1); |