diff options
Diffstat (limited to 'gcc/sched-rgn.c')
| -rw-r--r-- | gcc/sched-rgn.c | 17 |
1 files changed, 10 insertions, 7 deletions
diff --git a/gcc/sched-rgn.c b/gcc/sched-rgn.c index db4cc877b36..c1c215a1ea9 100644 --- a/gcc/sched-rgn.c +++ b/gcc/sched-rgn.c @@ -1,6 +1,6 @@ /* Instruction scheduling pass. Copyright (C) 1992, 1993, 1994, 1995, 1996, 1997, 1998, - 1999, 2000 Free Software Foundation, Inc. + 1999, 2000, 2001 Free Software Foundation, Inc. Contributed by Michael Tiemann (tiemann@cygnus.com) Enhanced by, and currently maintained by, Jim Wilson (wilson@cygnus.com) @@ -349,13 +349,16 @@ is_cfg_nonregular () for (insn = BLOCK_HEAD (b);; insn = NEXT_INSN (insn)) { code = GET_CODE (insn); - if (GET_RTX_CLASS (code) == 'i') + if (GET_RTX_CLASS (code) == 'i' && code != JUMP_INSN) { - rtx note; - - for (note = REG_NOTES (insn); note; note = XEXP (note, 1)) - if (REG_NOTE_KIND (note) == REG_LABEL) - return 1; + rtx note = find_reg_note (REG_NOTES (insn), REG_LABEL, NULL_RTX); + + if (note + && ! (GET_CODE (NEXT_INSN (insn)) == JUMP_INSN + && find_reg_note (REG_NOTES (NEXT_INSN (insn)), + REG_LABEL, + XEXP (note, 0)))) + return 1; } if (insn == BLOCK_END (b)) |