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| author | Jakub Jelinek <jakub@gcc.gnu.org> | 2016-08-15 10:31:05 +0200 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2016-08-15 10:31:05 +0200 |
| commit | 660880654ab4076aeb85498be24440dfb5a6638d (patch) | |
| tree | 8dab788dcaf37f22003b5950841f7d928b4c60f8 | |
| parent | 30211344085ab7adba71871b00ece6fb8b3a3db5 (diff) | |
| download | gcc-660880654ab4076aeb85498be24440dfb5a6638d.zip gcc-660880654ab4076aeb85498be24440dfb5a6638d.tar.gz gcc-660880654ab4076aeb85498be24440dfb5a6638d.tar.bz2 | |
re PR tree-optimization/72824 (Signed floating point zero semantics broken at optimization level -O3 (tree-loop-distribute-patterns))
PR tree-optimization/72824
* tree-loop-distribution.c (const_with_all_bytes_same)
<case VECTOR_CST>: Fix a typo.
* gcc.c-torture/execute/ieee/pr72824-2.c: New test.
From-SVN: r239461
| -rw-r--r-- | gcc/ChangeLog | 9 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.c-torture/execute/ieee/pr72824-2.c | 21 | ||||
| -rw-r--r-- | gcc/tree-loop-distribution.c | 2 |
4 files changed, 34 insertions, 3 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ac4732e..f71df9c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2016-08-15 Martin Liska <mliska@suse.cz> + Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/72824 + * tree-loop-distribution.c (const_with_all_bytes_same) + <case VECTOR_CST>: Fix a typo. + 2016-08-14 Uros Bizjak <ubizjak@gmail.com> PR target/76342 @@ -66,7 +73,6 @@ make sure we have a leader for it. 2016-08-12 Martin Liska <mliska@suse.cz> - Adam Fineman <afineman@afineman.com> * gcov.c (process_file): Create .gcov file when .gcda @@ -877,7 +883,6 @@ (aapcs_vfp_sub_candidate): Likewise. 2016-08-05 Martin Liska <mliska@suse.cz> - Joshua Cranmer <Pidgeot18@gmail.com> * gcov.c (line_t::has_block): New function. diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index ee1f86f..6fa7c1f 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2016-08-15 Jakub Jelinek <jakub@redhat.com> + + PR tree-optimization/72824 + * gcc.c-torture/execute/ieee/pr72824-2.c: New test. + 2016-08-14 Chung-Lin Tang <cltang@codesourcery.com> PR fortran/70598 diff --git a/gcc/testsuite/gcc.c-torture/execute/ieee/pr72824-2.c b/gcc/testsuite/gcc.c-torture/execute/ieee/pr72824-2.c new file mode 100644 index 0000000..0622d01 --- /dev/null +++ b/gcc/testsuite/gcc.c-torture/execute/ieee/pr72824-2.c @@ -0,0 +1,21 @@ +/* PR tree-optimization/72824 */ + +typedef float V __attribute__((vector_size (4 * sizeof (float)))); + +static inline void +foo (V *x, V value) +{ + int i; + for (i = 0; i < 32; ++i) + x[i] = value; +} + +int +main () +{ + V x[32]; + foo (x, (V) { 0.f, -0.f, 0.f, -0.f }); + if (__builtin_copysignf (1.0, x[3][1]) != -1.0f) + __builtin_abort (); + return 0; +} diff --git a/gcc/tree-loop-distribution.c b/gcc/tree-loop-distribution.c index 342b964..5580f28 100644 --- a/gcc/tree-loop-distribution.c +++ b/gcc/tree-loop-distribution.c @@ -774,7 +774,7 @@ const_with_all_bytes_same (tree val) case VECTOR_CST: unsigned int j; for (j = 0; j < VECTOR_CST_NELTS (val); ++j) - if (const_with_all_bytes_same (VECTOR_CST_ELT (val, i))) + if (const_with_all_bytes_same (VECTOR_CST_ELT (val, j))) break; if (j == VECTOR_CST_NELTS (val)) return 0; |