+2012-10-31 Easwaran Raman <eraman@google.com>
+
+ PR target/54938
+ PR middle-end/54957
+ * optabs.c (emit_cmp_and_jump_insn_1): Add REG_BR_PROB note
+ only if it doesn't already exist.
+ * stmt.c (get_outgoing_edge_probs): Return 0 if BB is NULL.
+ (emit_case_dispatch_table): Handle the case where STMT_BB is
+ NULL.
+ (expand_sjlj_dispatch_table): Pass BB containing before_case
+ to emit_case_dispatch_table.
+
2012-10-31 Lawrence Crowl <crowl@google.com>
* is-a.h: New.
&& profile_status != PROFILE_ABSENT
&& insn
&& JUMP_P (insn)
- && any_condjump_p (insn))
- {
- gcc_assert (!find_reg_note (insn, REG_BR_PROB, 0));
- add_reg_note (insn, REG_BR_PROB, GEN_INT (prob));
- }
+ && any_condjump_p (insn)
+ && !find_reg_note (insn, REG_BR_PROB, 0))
+ add_reg_note (insn, REG_BR_PROB, GEN_INT (prob));
}
/* Generate code to compare X with Y so that the condition codes are
edge e;
edge_iterator ei;
int prob_sum = 0;
+ if (!bb)
+ return 0;
FOR_EACH_EDGE(e, ei, bb->succs)
prob_sum += e->probability;
return prob_sum;
rtx fallback_label = label_rtx (case_list->code_label);
rtx table_label = gen_label_rtx ();
bool has_gaps = false;
- edge default_edge = EDGE_SUCC(stmt_bb, 0);
- int default_prob = default_edge->probability;
+ edge default_edge = stmt_bb ? EDGE_SUCC(stmt_bb, 0) : NULL;
+ int default_prob = default_edge ? default_edge->probability : 0;
int base = get_outgoing_edge_probs (stmt_bb);
bool try_with_tablejump = false;
default_prob = 0;
}
- default_edge->probability = default_prob;
+ if (default_edge)
+ default_edge->probability = default_prob;
/* We have altered the probability of the default edge. So the probabilities
of all other edges need to be adjusted so that it sums up to
emit_case_dispatch_table (index_expr, index_type,
case_list, default_label,
- minval, maxval, range, NULL);
+ minval, maxval, range,
+ BLOCK_FOR_INSN (before_case));
emit_label (default_label);
free_alloc_pool (case_node_pool);
}