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| author | Richard Biener <rguenther@suse.de> | 2019-11-19 07:31:28 +0000 |
|---|---|---|
| committer | Richard Biener <rguenth@gcc.gnu.org> | 2019-11-19 07:31:28 +0000 |
| commit | f1e0c7e0eb3eafb122fc3d00242828c82a9286a2 (patch) | |
| tree | 21c12315aceb4dfb0b97f02dd472639af34b368d /gcc | |
| parent | e89a689f0a1b94083af100314373a6c2ef2c280e (diff) | |
| download | gcc-f1e0c7e0eb3eafb122fc3d00242828c82a9286a2.zip gcc-f1e0c7e0eb3eafb122fc3d00242828c82a9286a2.tar.gz gcc-f1e0c7e0eb3eafb122fc3d00242828c82a9286a2.tar.bz2 | |
re PR tree-optimization/92555 (ICE in exact_div, at poly-int.h:2162)
2019-09-19 Richard Biener <rguenther@suse.de>
PR tree-optimization/92555
* tree-vect-loop.c (vect_update_vf_for_slp): Also scan PHIs
for non-SLP stmts.
* gcc.dg/vect/pr92555.c: New testcase.
From-SVN: r278430
Diffstat (limited to 'gcc')
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/testsuite/ChangeLog | 5 | ||||
| -rw-r--r-- | gcc/testsuite/gcc.dg/vect/pr92555.c | 22 | ||||
| -rw-r--r-- | gcc/tree-vect-loop.c | 12 |
4 files changed, 45 insertions, 0 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index ab841a2..98f5c2f 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2019-09-19 Richard Biener <rguenther@suse.de> + + PR tree-optimization/92555 + * tree-vect-loop.c (vect_update_vf_for_slp): Also scan PHIs + for non-SLP stmts. + 2019-11-19 Martin Liska <mliska@suse.cz> PR bootstrap/92540 diff --git a/gcc/testsuite/ChangeLog b/gcc/testsuite/ChangeLog index d258749..05f38c2 100644 --- a/gcc/testsuite/ChangeLog +++ b/gcc/testsuite/ChangeLog @@ -1,3 +1,8 @@ +2019-09-19 Richard Biener <rguenther@suse.de> + + PR tree-optimization/92555 + * gcc.dg/vect/pr92555.c: New testcase. + 2019-11-19 Joseph Myers <joseph@codesourcery.com> * gcc.dg/c2x-attr-fallthrough-5.c, gcc.dg/c2x-attr-syntax-5.c: New diff --git a/gcc/testsuite/gcc.dg/vect/pr92555.c b/gcc/testsuite/gcc.dg/vect/pr92555.c new file mode 100644 index 0000000..b174e1c --- /dev/null +++ b/gcc/testsuite/gcc.dg/vect/pr92555.c @@ -0,0 +1,22 @@ +/* { dg-do compile } */ +/* { dg-additional-options "-fwrapv" } */ + +signed char rq; + +signed char +pu (int tr, int al) +{ + signed char x8; + + while (tr != 0) + { + for (x8 = 0; x8 >= 0; x8 += 2) + ; + + rq ^= al ^ 1; + ++x8; + ++tr; + } + + return x8; +} diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c index 02e6bfb..5ca6b55 100644 --- a/gcc/tree-vect-loop.c +++ b/gcc/tree-vect-loop.c @@ -1398,6 +1398,18 @@ vect_update_vf_for_slp (loop_vec_info loop_vinfo) for (i = 0; i < nbbs; i++) { basic_block bb = bbs[i]; + for (gphi_iterator si = gsi_start_phis (bb); !gsi_end_p (si); + gsi_next (&si)) + { + stmt_vec_info stmt_info = loop_vinfo->lookup_stmt (si.phi ()); + if (!stmt_info) + continue; + if ((STMT_VINFO_RELEVANT_P (stmt_info) + || VECTORIZABLE_CYCLE_DEF (STMT_VINFO_DEF_TYPE (stmt_info))) + && !PURE_SLP_STMT (stmt_info)) + /* STMT needs both SLP and loop-based vectorization. */ + only_slp_in_loop = false; + } for (gimple_stmt_iterator si = gsi_start_bb (bb); !gsi_end_p (si); gsi_next (&si)) { |