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| author | Jakub Jelinek <jakub@redhat.com> | 2016-09-16 09:10:08 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2016-09-16 09:10:08 +0200 |
| commit | e43163aefb7276917ac116d9a992aa2ac18a6722 (patch) | |
| tree | 0cbebbc719b6ac7377fb5fee81b76274297b3dcd /gcc | |
| parent | 7d704548e7aabca540cc173f70df1e0dcfc6304c (diff) | |
| download | gcc-e43163aefb7276917ac116d9a992aa2ac18a6722.zip gcc-e43163aefb7276917ac116d9a992aa2ac18a6722.tar.gz gcc-e43163aefb7276917ac116d9a992aa2ac18a6722.tar.bz2 | |
re PR target/77526 (ICE: in verify_dominators, at dominance.c:1039 with -mstringop-strategy=byte_loop)
PR target/77526
* combine.c (rest_of_handle_combine): If any edges have been purged,
free dominators if available.
* gcc.target/i386/pr77526.c: New test.
From-SVN: r240174
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/combine.c | 2 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.target/i386/pr77526.c | 13 |
4 files changed, 26 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 0287d52..2d40745 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,4 +1,10 @@ 2016-09-16 Jakub Jelinek <jakub@redhat.com> + + PR target/77526 + * combine.c (rest_of_handle_combine): If any edges have been purged, + free dominators if available. + +2016-09-16 Jakub Jelinek <jakub@redhat.com> Eric Botcazou <ebotcazou@adacore.com> PR middle-end/77594 diff --git a/gcc/combine.c b/gcc/combine.c index 1b262f9..1e43d48 100644 --- a/gcc/combine.c +++ b/gcc/combine.c @@ -14393,6 +14393,8 @@ rest_of_handle_combine (void) instructions. */ if (rebuild_jump_labels_after_combine) { + if (dom_info_available_p (CDI_DOMINATORS)) + free_dominance_info (CDI_DOMINATORS); timevar_push (TV_JUMP); rebuild_jump_labels (get_insns ()); cleanup_cfg (0); diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index 8d739b5..91d1962 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,4 +1,9 @@ 2016-09-16 Jakub Jelinek <jakub@redhat.com> + + PR target/77526 + * gcc.target/i386/pr77526.c: New test. + +2016-09-16 Jakub Jelinek <jakub@redhat.com> Eric Botcazou <ebotcazou@adacore.com> PR middle-end/77594 diff --git a/gcc/testsuite/gcc.target/i386/pr77526.c b/gcc/testsuite/gcc.target/i386/pr77526.c new file mode 100644 index 0000000..91b946a --- /dev/null +++ b/gcc/testsuite/gcc.target/i386/pr77526.c @@ -0,0 +1,13 @@ +/* PR target/77526 */ +/* { dg-do compile { target int128 } } */ +/* { dg-options "-Os -fno-forward-propagate -fno-gcse -fno-rerun-cse-after-loop -mstringop-strategy=byte_loop -Wno-psabi" } */ + +typedef char U __attribute__((vector_size(64))); +typedef __int128 V __attribute__((vector_size(64))); + +V +foo (int a, int b, __int128 c, U u) +{ + u = (u >> (u & 7)) | (u << -(u & 7)); + return a + b + c + (V)u; +} |