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re PR middle-end/48367 (200.sixtrack/301.apsi in SPEC CPU 2000 are miscompiled)

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2011-03-30  Vladimir Makarov  <vmakarov@redhat.com>

	PR middle-end/48367
	* ira-costs.c (find_costs_and_classes): Fix a typo in i_mem_cost
	calculation.

From-SVN: r171767
This commit is contained in:
Vladimir Makarov 2011-03-31 01:04:43 +00:00 • committed by Vladimir Makarov
parent 23b03b777b
commit bddc98e135
2 changed files with 8 additions and 2 deletions
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6
gcc/ChangeLog
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@ -1,3 +1,9 @@
2011-03-30 Vladimir Makarov <vmakarov@redhat.com>
PR middle-end/48367
* ira-costs.c (find_costs_and_classes): Fix a typo in i_mem_cost
calculation.
2011-03-30 Jeff Law <law@redhat.com>
* PR bootstrap/48371

4
gcc/ira-costs.c
View file

@ -1652,7 +1652,7 @@ find_costs_and_classes (FILE *dump_file)
i_costs[k] += add_cost;
}
add_cost = COSTS (costs, a_num)->mem_cost;
if (add_cost && INT_MAX - add_cost < i_mem_cost)
if (add_cost > 0 && INT_MAX - add_cost < i_mem_cost)
i_mem_cost = INT_MAX;
else
i_mem_cost += add_cost;
@ -1887,7 +1887,7 @@ process_bb_node_for_hard_reg_moves (ira_loop_tree_node_t loop_tree_node)
ALLOCNO_HARD_REG_COSTS (a)[i] -= cost;
ALLOCNO_CONFLICT_HARD_REG_COSTS (a)[i] -= cost;
ALLOCNO_CLASS_COST (a) = MIN (ALLOCNO_CLASS_COST (a),
ALLOCNO_HARD_REG_COSTS (a)[i]);
ALLOCNO_HARD_REG_COSTS (a)[i]);
}
}