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| author | Eric Botcazou <ebotcazou@adacore.com> | 2014-11-15 12:06:23 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2014-11-15 12:06:23 +0000 |
| commit | d03f2c17a2152d2398ad30718d8f050fcd1304a0 (patch) | |
| tree | 7b3d8988a38dad612997cd12e4b8ddaee7fbf0a6 /gcc/tree-ssa-loop-ivcanon.c | |
| parent | ddc05d116529c5199e5d0dc8509b4042b4167b1f (diff) | |
| download | gcc-d03f2c17a2152d2398ad30718d8f050fcd1304a0.zip gcc-d03f2c17a2152d2398ad30718d8f050fcd1304a0.tar.gz gcc-d03f2c17a2152d2398ad30718d8f050fcd1304a0.tar.bz2 | |
tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Add log message for max-completely-peeled-insns limit.
* tree-ssa-loop-ivcanon.c (try_unroll_loop_completely): Add log message
for max-completely-peeled-insns limit.
From-SVN: r217601
Diffstat (limited to 'gcc/tree-ssa-loop-ivcanon.c')
| -rw-r--r-- | gcc/tree-ssa-loop-ivcanon.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/gcc/tree-ssa-loop-ivcanon.c b/gcc/tree-ssa-loop-ivcanon.c index 9bc8842..c874b8b 100644 --- a/gcc/tree-ssa-loop-ivcanon.c +++ b/gcc/tree-ssa-loop-ivcanon.c @@ -674,7 +674,7 @@ try_unroll_loop_completely (struct loop *loop, HOST_WIDE_INT maxiter, location_t locus) { - unsigned HOST_WIDE_INT n_unroll = 0, ninsns, max_unroll, unr_insns; + unsigned HOST_WIDE_INT n_unroll = 0, ninsns, unr_insns; gimple cond; struct loop_size size; bool n_unroll_found = false; @@ -720,9 +720,14 @@ try_unroll_loop_completely (struct loop *loop, if (!n_unroll_found) return false; - max_unroll = PARAM_VALUE (PARAM_MAX_COMPLETELY_PEEL_TIMES); - if (n_unroll > max_unroll) - return false; + if (n_unroll > (unsigned) PARAM_VALUE (PARAM_MAX_COMPLETELY_PEEL_TIMES)) + { + if (dump_file && (dump_flags & TDF_DETAILS)) + fprintf (dump_file, "Not unrolling loop %d " + "(--param max-completely-peeled-times limit reached).\n", + loop->num); + return false; + } if (!edge_to_cancel) edge_to_cancel = loop_edge_to_cancel (loop); |