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| author | Jan Hubicka <hubicka@ucw.cz> | 2017-11-16 12:06:49 +0100 |
|---|---|---|
| committer | Jan Hubicka <hubicka@gcc.gnu.org> | 2017-11-16 11:06:49 +0000 |
| commit | 2a00666935fa4118b927c5d5cd500c08d41bb566 (patch) | |
| tree | 84f0a95ccbddc627833f757a4b83e7c9556b5c8c /gcc/tree-ssa-loop-manip.c | |
| parent | 00fa28d1b471a3aca9994a21363ce3f58b6bd2f2 (diff) | |
| download | gcc-2a00666935fa4118b927c5d5cd500c08d41bb566.zip gcc-2a00666935fa4118b927c5d5cd500c08d41bb566.tar.gz gcc-2a00666935fa4118b927c5d5cd500c08d41bb566.tar.bz2 | |
* tree-ssa-loop-manip.c
(scale_dominated_blocks_in_loop): Update to profile counts.
(tree_transform_and_unroll_loop): Likewise.
From-SVN: r254811
Diffstat (limited to 'gcc/tree-ssa-loop-manip.c')
| -rw-r--r-- | gcc/tree-ssa-loop-manip.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/gcc/tree-ssa-loop-manip.c b/gcc/tree-ssa-loop-manip.c index 1efcd27..12c49d7 100644 --- a/gcc/tree-ssa-loop-manip.c +++ b/gcc/tree-ssa-loop-manip.c @@ -1091,11 +1091,11 @@ determine_exit_conditions (struct loop *loop, struct tree_niter_desc *desc, static void scale_dominated_blocks_in_loop (struct loop *loop, basic_block bb, - int num, int den) + profile_count num, profile_count den) { basic_block son; - if (den == 0) + if (!den.nonzero_p () && !(num == profile_count::zero ())) return; for (son = first_dom_son (CDI_DOMINATORS, bb); @@ -1104,7 +1104,7 @@ scale_dominated_blocks_in_loop (struct loop *loop, basic_block bb, { if (!flow_bb_inside_loop_p (loop, son)) continue; - scale_bbs_frequencies_int (&son, 1, num, den); + scale_bbs_frequencies_profile_count (&son, 1, num, den); scale_dominated_blocks_in_loop (loop, son, num, den); } } @@ -1281,9 +1281,10 @@ tree_transform_and_unroll_loop (struct loop *loop, unsigned factor, scale_dominated_blocks_in_loop (loop, exit->src, /* We are scaling up here so probability does not fit. */ - REG_BR_PROB_BASE, - REG_BR_PROB_BASE - - exit->probability.to_reg_br_prob_base ()); + loop->header->count, + loop->header->count + - loop->header->count.apply_probability + (exit->probability)); bsi = gsi_last_bb (exit_bb); exit_if = gimple_build_cond (EQ_EXPR, integer_zero_node, @@ -1377,8 +1378,7 @@ tree_transform_and_unroll_loop (struct loop *loop, unsigned factor, { /* Avoid dropping loop body profile counter to 0 because of zero count in loop's preheader. */ - if (freq_e == profile_count::zero ()) - freq_e = profile_count::from_gcov_type (1); + freq_e = freq_e.force_nonzero (); scale_loop_frequencies (loop, freq_e.probability_in (freq_h)); } |