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authorrsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4>2014-05-19 06:49:58 +0000
committerrsandifo <rsandifo@138bc75d-0d04-0410-961f-82ee72b054a4>2014-05-19 06:49:58 +0000
commit8f869004286e3c9ebca939700517ff6b0b222445 (patch)
tree17c4d542445096d484b3cb4f6aa83da151b3ee6b /gcc/emit-rtl.c
parent718d002121c011f7b09e0fbcf82291e8082c8ce7 (diff)
downloadgcc-8f869004286e3c9ebca939700517ff6b0b222445.tar.gz
gcc/
* reg-notes.def (CROSSING_JUMP): Likewise. * rtl.h (rtx_def): Update comment for jump flag. (CROSSING_JUMP_P): Define. * cfgcleanup.c (try_forward_edges, try_optimize_cfg): Use it instead of a REG_CROSSING_JUMP note. * cfghooks.c (tidy_fallthru_edges): Likewise. * cfgrtl.c (fixup_partition_crossing, rtl_verify_edges): Likewise. * emit-rtl.c (try_split): Likewise. * haifa-sched.c (sched_create_recovery_edges): Likewise. * ifcvt.c (find_if_case_1, find_if_case_2): Likewise. * jump.c (redirect_jump_2): Likewise. * reorg.c (follow_jumps, fill_slots_from_thread): Likewise. (relax_delay_slots): Likewise. * config/arc/arc.md (jump_i, cbranchsi4_scratch, *bbit): Likewise. (bbit_di): Likewise. * config/arc/arc.c (arc_reorg, arc_can_follow_jump): Likewise. * config/sh/sh.md (jump_compact): Likewise. * bb-reorder.c (rotate_loop): Likewise. (pass_duplicate_computed_gotos::execute): Likewise. (add_reg_crossing_jump_notes): Rename to... (update_crossing_jump_flags): ...this. (pass_partition_blocks::execute): Update accordingly. git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@210603 138bc75d-0d04-0410-961f-82ee72b054a4
Diffstat (limited to 'gcc/emit-rtl.c')
-rw-r--r--gcc/emit-rtl.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c
index 9282a29520b..1d74c3fded7 100644
--- a/gcc/emit-rtl.c
+++ b/gcc/emit-rtl.c
@@ -3590,11 +3590,13 @@ try_split (rtx pat, rtx trial, int last)
may have introduced invalid RTL sharing, so unshare the sequence now. */
unshare_all_rtl_in_chain (seq);
- /* Mark labels. */
+ /* Mark labels and copy flags. */
for (insn = insn_last; insn ; insn = PREV_INSN (insn))
{
if (JUMP_P (insn))
{
+ if (JUMP_P (trial))
+ CROSSING_JUMP_P (insn) = CROSSING_JUMP_P (trial);
mark_jump_label (PATTERN (insn), insn, 0);
njumps++;
if (probability != -1
@@ -3671,7 +3673,6 @@ try_split (rtx pat, rtx trial, int last)
break;
case REG_NON_LOCAL_GOTO:
- case REG_CROSSING_JUMP:
for (insn = insn_last; insn != NULL_RTX; insn = PREV_INSN (insn))
{
if (JUMP_P (insn))