diff options
Diffstat (limited to 'gcc/combine.c')
| -rw-r--r-- | gcc/combine.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/gcc/combine.c b/gcc/combine.c index f6e1dbc..1b598b4 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -3902,8 +3902,11 @@ try_combine (rtx i3, rtx i2, rtx i1, rtx i0, int *new_direct_jump_p, next = XEXP (note, 1); if ((REG_NOTE_KIND (note) == REG_DEAD - || REG_NOTE_KIND (note) == REG_UNUSED) - && ! reg_set_p (XEXP (note, 0), PATTERN (undobuf.other_insn))) + && !reg_referenced_p (XEXP (note, 0), + PATTERN (undobuf.other_insn))) + ||(REG_NOTE_KIND (note) == REG_UNUSED + && !reg_set_p (XEXP (note, 0), + PATTERN (undobuf.other_insn)))) remove_note (undobuf.other_insn, note); } |