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| author | Eric Botcazou <ebotcazou@adacore.com> | 2014-04-16 23:31:30 +0000 |
|---|---|---|
| committer | Eric Botcazou <ebotcazou@gcc.gnu.org> | 2014-04-16 23:31:30 +0000 |
| commit | 82b9c0158be32542295d88f64d1076f501ad4fff (patch) | |
| tree | f716b175fe81f560a5b2e542361bf644c423f907 /gcc | |
| parent | d2dfaca3b8bac6b00c0e8fddcc70d017c36e46f0 (diff) | |
| download | gcc-82b9c0158be32542295d88f64d1076f501ad4fff.zip gcc-82b9c0158be32542295d88f64d1076f501ad4fff.tar.gz gcc-82b9c0158be32542295d88f64d1076f501ad4fff.tar.bz2 | |
final.c (compute_alignments): Do not apply loop alignment to a block falling through to the exit.
* final.c (compute_alignments): Do not apply loop alignment to a block
falling through to the exit.
From-SVN: r209451
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/final.c | 2 |
2 files changed, 7 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index fe2d1ed..7865b8a 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,8 @@ +2014-04-16 Eric Botcazou <ebotcazou@adacore.com> + + * final.c (compute_alignments): Do not apply loop alignment to a block + falling through to the exit. + 2014-04-16 Catherine Moore <clm@codesourcery.com> * mips.md (*mov<mode>_internal, *movhi_internal, *movqi_internal): diff --git a/gcc/final.c b/gcc/final.c index 83abee2..b4b96b9 100644 --- a/gcc/final.c +++ b/gcc/final.c @@ -775,6 +775,8 @@ compute_alignments (void) /* In case block is frequent and reached mostly by non-fallthru edge, align it. It is most likely a first block of loop. */ if (has_fallthru + && !(single_succ_p (bb) + && single_succ (bb) == EXIT_BLOCK_PTR_FOR_FN (cfun)) && optimize_bb_for_speed_p (bb) && branch_frequency + fallthru_frequency > freq_threshold && (branch_frequency |