diff options
Diffstat (limited to 'gcc/cfgrtl.c')
| -rw-r--r-- | gcc/cfgrtl.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/gcc/cfgrtl.c b/gcc/cfgrtl.c index 7426738..a31488ef 100644 --- a/gcc/cfgrtl.c +++ b/gcc/cfgrtl.c @@ -141,7 +141,10 @@ delete_insn (rtx insn) if (JUMP_P (insn) && JUMP_LABEL (insn) && LABEL_P (JUMP_LABEL (insn))) - LABEL_NUSES (JUMP_LABEL (insn))--; + { + LABEL_NUSES (JUMP_LABEL (insn))--; + JUMP_LABEL (insn) = NULL; + } /* Also if deleting an insn that references a label. */ else @@ -790,6 +793,7 @@ try_redirect_by_replacing_jump (edge e, basic_block target, bool in_cfglayout) { rtx target_label = block_label (target); rtx barrier, label, table; + bool jump_p; emit_jump_insn_after_noloc (gen_jump (target_label), insn); JUMP_LABEL (BB_END (src)) = target_label; @@ -799,13 +803,14 @@ try_redirect_by_replacing_jump (edge e, basic_block target, bool in_cfglayout) INSN_UID (insn), INSN_UID (BB_END (src))); - delete_insn_chain (kill_from, insn, false); - /* Recognize a tablejump that we are converting to a simple jump and remove its associated CODE_LABEL and ADDR_VEC or ADDR_DIFF_VEC. */ - if (tablejump_p (insn, &label, &table)) - delete_insn_chain (label, table, false); + jump_p = tablejump_p (insn, &label, &table); + + delete_insn_chain (kill_from, insn, false); + if (jump_p) + delete_insn_chain (label, table, false); barrier = next_nonnote_insn (BB_END (src)); if (!barrier || !BARRIER_P (barrier)) |