From 339ba33b4f6f90b30f41705cfc71e1ec2b81ac27 Mon Sep 17 00:00:00 2001 From: Richard Sandiford Date: Mon, 19 May 2014 06:49:58 +0000 Subject: reg-notes.def (CROSSING_JUMP): Likewise. 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. From-SVN: r210603 --- gcc/emit-rtl.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'gcc/emit-rtl.c') diff --git a/gcc/emit-rtl.c b/gcc/emit-rtl.c index 9282a29..1d74c3f 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)) -- cgit v1.1