diff options
Diffstat (limited to 'gcc/flow.c')
| -rw-r--r-- | gcc/flow.c | 23 |
1 files changed, 10 insertions, 13 deletions
@@ -771,7 +771,7 @@ delete_noop_moves (f) next = NEXT_INSN (insn); if (INSN_P (insn) && noop_move_p (insn)) { - /* Do not call flow_delete_insn here to not confuse backward + /* Do not call delete_insn here to not confuse backward pointers of LIBCALL block. */ PUT_CODE (insn, NOTE); NOTE_LINE_NUMBER (insn) = NOTE_INSN_DELETED; @@ -802,8 +802,8 @@ delete_dead_jumptables () { if (rtl_dump_file) fprintf (rtl_dump_file, "Dead jumptable %i removed\n", INSN_UID (insn)); - flow_delete_insn (NEXT_INSN (insn)); - flow_delete_insn (insn); + delete_insn (NEXT_INSN (insn)); + delete_insn (insn); next = NEXT_INSN (next); } } @@ -1323,6 +1323,7 @@ propagate_block_delete_insn (bb, insn) rtx insn; { rtx inote = find_reg_note (insn, REG_LABEL, NULL_RTX); + bool purge = false; /* If the insn referred to a label, and that label was attached to an ADDR_VEC, it's safe to delete the ADDR_VEC. In fact, it's @@ -1360,16 +1361,15 @@ propagate_block_delete_insn (bb, insn) for (i = 0; i < len; i++) LABEL_NUSES (XEXP (XVECEXP (pat, diff_vec_p, i), 0))--; - flow_delete_insn (next); + delete_insn (next); } } if (bb->end == insn) - { - bb->end = PREV_INSN (insn); - purge_dead_edges (bb); - } - flow_delete_insn (insn); + purge = true; + delete_insn (insn); + if (purge) + purge_dead_edges (bb); } /* Delete dead libcalls for propagate_block. Return the insn @@ -1383,10 +1383,7 @@ propagate_block_delete_libcall (bb, insn, note) rtx first = XEXP (note, 0); rtx before = PREV_INSN (first); - if (insn == bb->end) - bb->end = before; - - flow_delete_insn_chain (first, insn); + delete_insn_chain (first, insn); return before; } |