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authorJan Hubicka <jh@suse.cz>2003-04-07 14:36:59 +0200
committerJan Hubicka <hubicka@gcc.gnu.org>2003-04-07 12:36:59 +0000
commitcde1d5bf91c64fd33b2b9ddd35cdc948344baed4 (patch)
tree99129eeef547cc25935d6cd0742982307faf653c /gcc/cfglayout.c
parent30da09694b77a86b0790f9480cf934120c5258d3 (diff)
downloadgcc-cde1d5bf91c64fd33b2b9ddd35cdc948344baed4.tar.gz
re PR rtl-optimization/10024 ([HP-PA] inline optimization ICE)
PR opt/10024 * cfglayout.c (cfg_layout_redirect_edge): Redirect any branch edges unified with the fallthru one. * cfgrtl.c (force_nonfallthru_and_redirect): Do not special case fallthru edges when called via cfglayout.c From-SVN: r65330
Diffstat (limited to 'gcc/cfglayout.c')
-rw-r--r--gcc/cfglayout.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/gcc/cfglayout.c b/gcc/cfglayout.c
index b5be7ca29b3..3420bd1322a 100644
--- a/gcc/cfglayout.c
+++ b/gcc/cfglayout.c
@@ -904,6 +904,13 @@ cfg_layout_redirect_edge (e, dest)
src->next_bb = NULL;
if (e->flags & EDGE_FALLTHRU)
{
+ /* Redirect any branch edges unified with the fallthru one. */
+ if (GET_CODE (src->end) == JUMP_INSN
+ && JUMP_LABEL (src->end) == e->dest->head)
+ {
+ if (!redirect_jump (src->end, block_label (dest), 0))
+ abort ();
+ }
/* In case we are redirecting fallthru edge to the branch edge
of conditional jump, remove it. */
if (src->succ->succ_next