diff options
| -rw-r--r-- | gcc/ChangeLog | 6 | ||||
| -rw-r--r-- | gcc/tree-vect-loop.c | 8 |
2 files changed, 12 insertions, 2 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 277c21c..c6c7daa 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,9 @@ +2019-11-08 Andre Vieira <andre.simoesdiasvieira@arm.com> + + * tree-vect-loop.c (vect_analyze_loop): Disable epilogue vectorization + for loops with SIMDUID set. Enable epilogue vectorization for loops + with SIMDLEN set after finding a main loop with a VF that matches it. + 2019-11-08 Jakub Jelinek <jakub@redhat.com> PR target/92038 diff --git a/gcc/tree-vect-loop.c b/gcc/tree-vect-loop.c index a2847ef..f25260c 100644 --- a/gcc/tree-vect-loop.c +++ b/gcc/tree-vect-loop.c @@ -2455,11 +2455,15 @@ vect_analyze_loop (class loop *loop, vec_info_shared *shared) delete loop_vinfo; /* Only vectorize epilogues if PARAM_VECT_EPILOGUES_NOMASK is - enabled, this is not a simd loop and it is the innermost loop. */ - vect_epilogues = (!loop->simdlen + enabled, SIMDUID is not set, it is the innermost loop and we have + either already found the loop's SIMDLEN or there was no SIMDLEN to + begin with. + TODO: Enable epilogue vectorization for loops with SIMDUID set. */ + vect_epilogues = (!simdlen && loop->inner == NULL && PARAM_VALUE (PARAM_VECT_EPILOGUES_NOMASK) && LOOP_VINFO_PEELING_FOR_NITER (first_loop_vinfo) + && !loop->simduid /* For now only allow one epilogue loop. */ && first_loop_vinfo->epilogue_vinfos.is_empty ()); |