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| author | Jakub Jelinek <jakub@redhat.com> | 2017-10-30 17:20:24 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2017-10-30 17:20:24 +0100 |
| commit | 4403d99aef3dddbd11cb3d444b0febf2ea89eca9 (patch) | |
| tree | 694ece5015c08fca7e5ec5585f7d24415357a5be /gcc | |
| parent | 6b139f0d931c20d442eefdfb176b2c0dddd9ccfb (diff) | |
| download | gcc-4403d99aef3dddbd11cb3d444b0febf2ea89eca9.zip gcc-4403d99aef3dddbd11cb3d444b0febf2ea89eca9.tar.gz gcc-4403d99aef3dddbd11cb3d444b0febf2ea89eca9.tar.bz2 | |
re PR middle-end/22141 (Missing optimization when storing structures)
PR middle-end/22141
* gimple-ssa-store-merging.c (merged_store_group::apply_stores): Fix
arguments to clear_bit_region_be.
From-SVN: r254228
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/gimple-ssa-store-merging.c | 4 |
2 files changed, 9 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index dcef7ec..711458f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2017-10-30 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/22141 + * gimple-ssa-store-merging.c (merged_store_group::apply_stores): Fix + arguments to clear_bit_region_be. + 2017-10-30 Jim Wilson <wilson@tuliptree.org> * gimplify.c: Include memmodel.h. diff --git a/gcc/gimple-ssa-store-merging.c b/gcc/gimple-ssa-store-merging.c index fb68a81..5a5b776 100644 --- a/gcc/gimple-ssa-store-merging.c +++ b/gcc/gimple-ssa-store-merging.c @@ -701,7 +701,9 @@ merged_store_group::apply_stores () return false; unsigned char *m = mask + (pos_in_buffer / BITS_PER_UNIT); if (BYTES_BIG_ENDIAN) - clear_bit_region_be (m, pos_in_buffer % BITS_PER_UNIT, info->bitsize); + clear_bit_region_be (m, (BITS_PER_UNIT - 1 + - (pos_in_buffer % BITS_PER_UNIT)), + info->bitsize); else clear_bit_region (m, pos_in_buffer % BITS_PER_UNIT, info->bitsize); } |