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* predict.c (estimate_probability): Fix LOOP_EXIT heuristic.

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From-SVN: r48010
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Jan Hubicka 2001-12-14 22:28:49 +01:00 • committed by Jan Hubicka
parent 29655d3d5c
commit 27b2c32e31
2 changed files with 5 additions and 1 deletions
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4
gcc/ChangeLog
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@ -1,3 +1,7 @@
Fri Dec 14 22:14:44 CET 2001 Jan Hubicka <jh@suse.cz>
* predict.c (estimate_probability): Fix LOOP_EXIT heuristic.
2001-12-14 Zack Weinberg <zack@codesourcery.com>
* combine.c (record_dead_and_set_regs): Use

2
gcc/predict.c
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@ -358,7 +358,7 @@ estimate_probability (loops_info)
successors. */
if (!header_found)
for (e = BASIC_BLOCK(j)->succ; e; e = e->succ_next)
if (e->dest->index <= 0
if (e->dest->index < 0
|| !TEST_BIT (loop->nodes, e->dest->index))
predict_edge (e, PRED_LOOP_EXIT,
(REG_BR_PROB_BASE