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cfgrtl.c (try_redirect_by_replacing_jump): Fix typo, emit replacement jump after original jump.

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* cfgrtl.c (try_redirect_by_replacing_jump): Fix typo, emit
        replacement jump after original jump.

        (verify_flow_info): Remove redundent initialisation.
        Handle reaching end of insn list before finding a BARRIER.
        Only issue one missing barrier diagnostic.

From-SVN: r47269
This commit is contained in:
Graham Stott 2001-11-22 14:30:37 +00:00 committed by Graham Stott
parent 44a5da099e
commit 09eb1aab55
2 changed files with 13 additions and 3 deletions
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9
gcc/ChangeLog
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@ -1,3 +1,12 @@
2001-11-22 Graham Stott <grahams@redhat.com>
* cfgrtl.c (try_redirect_by_replacing_jump): Fix typo, emit
replacement jump after original jump.
(verify_flow_info): Remove redundent initialisation.
Handle reaching end of insn list before finding a BARRIER.
Only issue one missing barrier diagnostic.
2001-11-22 Graham Stott <grahams@redhat.com>
* local-alloc.c (combine_regs): Handle SUBREG_REG being a MEM.

7
gcc/cfgrtl.c
View File

@ -710,7 +710,7 @@ try_redirect_by_replacing_jump (e, target)
rtx target_label = block_label (target);
rtx barrier;
emit_jump_insn_after (gen_jump (target_label), kill_from);
emit_jump_insn_after (gen_jump (target_label), insn);
JUMP_LABEL (src->end) = target_label;
LABEL_NUSES (target_label)++;
if (rtl_dump_file)
@ -1634,10 +1634,10 @@ verify_flow_info ()
}
if (!has_fallthru)
{
rtx insn = bb->end;
rtx insn;
/* Ensure existence of barrier in BB with no fallthru edges. */
for (insn = bb->end; GET_CODE (insn) != BARRIER;
for (insn = bb->end; !insn || GET_CODE (insn) != BARRIER;
insn = NEXT_INSN (insn))
if (!insn
|| (GET_CODE (insn) == NOTE
@ -1645,6 +1645,7 @@ verify_flow_info ()
{
error ("Missing barrier after block %i", bb->index);
err = 1;
break;
}
}