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| author | Jakub Jelinek <jakub@redhat.com> | 2017-02-11 09:15:30 +0100 |
|---|---|---|
| committer | Jakub Jelinek <jakub@gcc.gnu.org> | 2017-02-11 09:15:30 +0100 |
| commit | 6a5cdb0e9e1294a72f3be8237f8e48c86c8b8dba (patch) | |
| tree | a7769b7be78ac58f3188534f1365c9fa352a61f4 | |
| parent | b0c00c7a490de95a501c72ee5ffc2452666a02d4 (diff) | |
| download | gcc-6a5cdb0e9e1294a72f3be8237f8e48c86c8b8dba.zip gcc-6a5cdb0e9e1294a72f3be8237f8e48c86c8b8dba.tar.gz gcc-6a5cdb0e9e1294a72f3be8237f8e48c86c8b8dba.tar.bz2 | |
re PR middle-end/79454 (c-c++-common/ubsan/overflow-vec-*.c FAILs on some 64-bit BE targets)
PR middle-end/79454
* internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise
result computation whenever lhs doesn't have vector mode, not
just when it has BLKmode.
From-SVN: r245354
| -rw-r--r-- | gcc/ChangeLog | 7 | ||||
| -rw-r--r-- | gcc/internal-fn.c | 2 |
2 files changed, 8 insertions, 1 deletions
diff --git a/gcc/ChangeLog b/gcc/ChangeLog index 5496592..f37f49c 100644 --- a/gcc/ChangeLog +++ b/gcc/ChangeLog @@ -1,3 +1,10 @@ +2017-02-11 Jakub Jelinek <jakub@redhat.com> + + PR middle-end/79454 + * internal-fn.c (expand_vector_ubsan_overflow): Use piece-wise + result computation whenever lhs doesn't have vector mode, not + just when it has BLKmode. + 2017-02-10 Gerald Pfeifer <gerald@pfeifer.com> * doc/makefile.texi (profiledbootstrap): Refer to the diff --git a/gcc/internal-fn.c b/gcc/internal-fn.c index 1ccc803..1d84b26 100644 --- a/gcc/internal-fn.c +++ b/gcc/internal-fn.c @@ -1909,7 +1909,7 @@ expand_vector_ubsan_overflow (location_t loc, enum tree_code code, tree lhs, { optab op; lhsr = expand_expr (lhs, NULL_RTX, VOIDmode, EXPAND_WRITE); - if (GET_MODE (lhsr) == BLKmode + if (!VECTOR_MODE_P (GET_MODE (lhsr)) || (op = optab_for_tree_code (code, TREE_TYPE (arg0), optab_default)) == unknown_optab || (optab_handler (op, TYPE_MODE (TREE_TYPE (arg0))) |