diff options
Diffstat (limited to 'gcc/emit-rtl.c')
| -rw-r--r-- | gcc/emit-rtl.c | 33 |
1 files changed, 25 insertions, 8 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index f6e44f9c27d..9df2d6c4f8d 100644 --- a/gcc/emit-rtl.c +++ b/gcc/emit-rtl.c @@ -2910,11 +2910,19 @@ get_first_nonnote_insn (void) { rtx insn = first_insn; - while (insn) + if (insn) { - insn = next_insn (insn); - if (insn == 0 || GET_CODE (insn) != NOTE) - break; + if (NOTE_P (insn)) + for (insn = next_insn (insn); + insn && NOTE_P (insn); + insn = next_insn (insn)) + continue; + else + { + if (GET_CODE (insn) == INSN + && GET_CODE (PATTERN (insn)) == SEQUENCE) + insn = XVECEXP (PATTERN (insn), 0, 0); + } } return insn; @@ -2928,11 +2936,20 @@ get_last_nonnote_insn (void) { rtx insn = last_insn; - while (insn) + if (insn) { - insn = previous_insn (insn); - if (insn == 0 || GET_CODE (insn) != NOTE) - break; + if (NOTE_P (insn)) + for (insn = previous_insn (insn); + insn && NOTE_P (insn); + insn = previous_insn (insn)) + continue; + else + { + if (GET_CODE (insn) == INSN + && GET_CODE (PATTERN (insn)) == SEQUENCE) + insn = XVECEXP (PATTERN (insn), 0, + XVECLEN (PATTERN (insn), 0) - 1); + } } return insn; |