On Mon, Sep 20, 2021 at 4:13 AM Martin Sebor <mse...@gmail.com> wrote:
>
> On 9/16/21 3:03 AM, Hongtao Liu via Gcc-patches wrote:
> > On Thu, Sep 16, 2021 at 4:23 PM Richard Biener via Gcc-patches
> > <gcc-patches@gcc.gnu.org> wrote:
> >>
> >> On Thu, 16 Sep 2021, liuhongt wrote:
> >>
> >>> Ping
> >>> rebased on latest trunk.
> >>>
> >>> gcc/ChangeLog:
> >>>
> >>> * common.opt (ftree-vectorize): Add Var(flag_tree_vectorize).
> >>> * doc/invoke.texi (Options That Control Optimization): Update
> >>> documents.
> >>> * opts.c (default_options_table): Enable auto-vectorization at
> >>> O2 with very-cheap cost model.
> >>> (finish_options): Use cheap cost model for
> >>> explicit -ftree{,-loop}-vectorize.
> >>>
> >>> gcc/testsuite/ChangeLog:
> >>>
> >>> * c-c++-common/Wstringop-overflow-2.c: Adjust testcase.
> >>> * g++.dg/tree-ssa/pr81408.C: Ditto.
> >>> * g++.dg/warn/Wuninitialized-13.C: Ditto.
> >>> * gcc.dg/Warray-bounds-51.c: Ditto.
> >>> * gcc.dg/Warray-parameter-3.c: Ditto.
> >>> * gcc.dg/Wstringop-overflow-13.c: Ditto.
> >>> * gcc.dg/Wstringop-overflow-14.c: Ditto.
> >>> * gcc.dg/Wstringop-overflow-21.c: Ditto.
> >>> * gcc.dg/Wstringop-overflow-68.c: Ditto.
> >>> * gcc.dg/gomp/pr46032-2.c: Ditto.
> >>> * gcc.dg/gomp/pr46032-3.c: Ditto.
> >>> * gcc.dg/gomp/simd-2.c: Ditto.
> >>> * gcc.dg/gomp/simd-3.c: Ditto.
> >>> * gcc.dg/graphite/fuse-1.c: Ditto.
> >>> * gcc.dg/pr67089-6.c: Ditto.
> >>> * gcc.dg/pr82929-2.c: Ditto.
> >>> * gcc.dg/pr82929.c: Ditto.
> >>> * gcc.dg/store_merging_1.c: Ditto.
> >>> * gcc.dg/store_merging_11.c: Ditto.
> >>> * gcc.dg/store_merging_15.c: Ditto.
> >>> * gcc.dg/store_merging_16.c: Ditto.
> >>> * gcc.dg/store_merging_19.c: Ditto.
> >>> * gcc.dg/store_merging_24.c: Ditto.
> >>> * gcc.dg/store_merging_25.c: Ditto.
> >>> * gcc.dg/store_merging_28.c: Ditto.
> >>> * gcc.dg/store_merging_30.c: Ditto.
> >>> * gcc.dg/store_merging_5.c: Ditto.
> >>> * gcc.dg/store_merging_7.c: Ditto.
> >>> * gcc.dg/store_merging_8.c: Ditto.
> >>> * gcc.dg/strlenopt-85.c: Ditto.
> >>> * gcc.dg/tree-ssa/dump-6.c: Ditto.
> >>> * gcc.dg/tree-ssa/pr19210-1.c: Ditto.
> >>> * gcc.dg/tree-ssa/pr47059.c: Ditto.
> >>> * gcc.dg/tree-ssa/pr86017.c: Ditto.
> >>> * gcc.dg/tree-ssa/pr91482.c: Ditto.
> >>> * gcc.dg/tree-ssa/predcom-1.c: Ditto.
> >>> * gcc.dg/tree-ssa/predcom-dse-3.c: Ditto.
> >>> * gcc.dg/tree-ssa/prefetch-3.c: Ditto.
> >>> * gcc.dg/tree-ssa/prefetch-6.c: Ditto.
> >>> * gcc.dg/tree-ssa/prefetch-8.c: Ditto.
> >>> * gcc.dg/tree-ssa/prefetch-9.c: Ditto.
> >>> * gcc.dg/tree-ssa/ssa-dse-18.c: Ditto.
> >>> * gcc.dg/tree-ssa/ssa-dse-19.c: Ditto.
> >>> * gcc.dg/uninit-40.c: Ditto.
> >>> * gcc.dg/unroll-7.c: Ditto.
> >>> * gcc.misc-tests/help.exp: Ditto.
> >>> * gcc.target/i386/avx512vpopcntdqvl-vpopcntd-1.c: Ditto.
> >>> * gcc.target/i386/pr22141.c: Ditto.
> >>> * gcc.target/i386/pr34012.c: Ditto.
> >>> * gcc.target/i386/pr49781-1.c: Ditto.
> >>> * gcc.target/i386/pr95798-1.c: Ditto.
> >>> * gcc.target/i386/pr95798-2.c: Ditto.
> >>> * gfortran.dg/pr77498.f: Ditto.
> >>> ---
> >>> gcc/common.opt | 2 +-
> >>> gcc/doc/invoke.texi | 8 +++++---
> >>> gcc/opts.c | 18 +++++++++++++++---
> >>> .../c-c++-common/Wstringop-overflow-2.c | 2 +-
> >>> gcc/testsuite/g++.dg/tree-ssa/pr81408.C | 2 +-
> >>> gcc/testsuite/g++.dg/warn/Wuninitialized-13.C | 2 +-
> >>> gcc/testsuite/gcc.dg/Warray-bounds-51.c | 2 +-
> >>> gcc/testsuite/gcc.dg/Warray-parameter-3.c | 2 +-
> >>> gcc/testsuite/gcc.dg/Wstringop-overflow-13.c | 2 +-
> >>> gcc/testsuite/gcc.dg/Wstringop-overflow-14.c | 2 +-
> >>> gcc/testsuite/gcc.dg/Wstringop-overflow-21.c | 2 +-
> >>> gcc/testsuite/gcc.dg/Wstringop-overflow-68.c | 2 +-
> >>> gcc/testsuite/gcc.dg/gomp/pr46032-2.c | 2 +-
> >>> gcc/testsuite/gcc.dg/gomp/pr46032-3.c | 2 +-
> >>> gcc/testsuite/gcc.dg/gomp/simd-2.c | 2 +-
> >>> gcc/testsuite/gcc.dg/gomp/simd-3.c | 2 +-
> >>> gcc/testsuite/gcc.dg/graphite/fuse-1.c | 2 +-
> >>> gcc/testsuite/gcc.dg/pr67089-6.c | 2 +-
> >>> gcc/testsuite/gcc.dg/pr82929-2.c | 2 +-
> >>> gcc/testsuite/gcc.dg/pr82929.c | 2 +-
> >>> gcc/testsuite/gcc.dg/store_merging_1.c | 2 +-
> >>> gcc/testsuite/gcc.dg/store_merging_11.c | 2 +-
> >>> gcc/testsuite/gcc.dg/store_merging_15.c | 2 +-
> >>> gcc/testsuite/gcc.dg/store_merging_16.c | 2 +-
> >>> gcc/testsuite/gcc.dg/store_merging_19.c | 2 +-
> >>> gcc/testsuite/gcc.dg/store_merging_24.c | 2 +-
> >>> gcc/testsuite/gcc.dg/store_merging_25.c | 2 +-
> >>> gcc/testsuite/gcc.dg/store_merging_28.c | 2 +-
> >>> gcc/testsuite/gcc.dg/store_merging_30.c | 2 +-
> >>> gcc/testsuite/gcc.dg/store_merging_5.c | 2 +-
> >>> gcc/testsuite/gcc.dg/store_merging_7.c | 2 +-
> >>> gcc/testsuite/gcc.dg/store_merging_8.c | 2 +-
> >>> gcc/testsuite/gcc.dg/strlenopt-85.c | 2 +-
> >>> gcc/testsuite/gcc.dg/tree-ssa/dump-6.c | 2 +-
> >>> gcc/testsuite/gcc.dg/tree-ssa/pr19210-1.c | 2 +-
> >>> gcc/testsuite/gcc.dg/tree-ssa/pr47059.c | 2 +-
> >>> gcc/testsuite/gcc.dg/tree-ssa/pr86017.c | 2 +-
> >>> gcc/testsuite/gcc.dg/tree-ssa/pr91482.c | 2 +-
> >>> gcc/testsuite/gcc.dg/tree-ssa/predcom-1.c | 2 +-
> >>> gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-3.c | 2 +-
> >>> gcc/testsuite/gcc.dg/tree-ssa/prefetch-3.c | 2 +-
> >>> gcc/testsuite/gcc.dg/tree-ssa/prefetch-6.c | 2 +-
> >>> gcc/testsuite/gcc.dg/tree-ssa/prefetch-8.c | 2 +-
> >>> gcc/testsuite/gcc.dg/tree-ssa/prefetch-9.c | 2 +-
> >>> gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-18.c | 2 +-
> >>> gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-19.c | 2 +-
> >>> gcc/testsuite/gcc.dg/uninit-40.c | 2 +-
> >>> gcc/testsuite/gcc.dg/unroll-7.c | 2 +-
> >>> gcc/testsuite/gcc.misc-tests/help.exp | 2 +-
> >>> .../i386/avx512vpopcntdqvl-vpopcntd-1.c | 2 +-
> >>> gcc/testsuite/gcc.target/i386/pr22141.c | 2 +-
> >>> gcc/testsuite/gcc.target/i386/pr34012.c | 2 +-
> >>> gcc/testsuite/gcc.target/i386/pr49781-1.c | 2 +-
> >>> gcc/testsuite/gcc.target/i386/pr95798-1.c | 2 +-
> >>> gcc/testsuite/gcc.target/i386/pr95798-2.c | 2 +-
> >>> gcc/testsuite/gfortran.dg/pr77498.f | 2 +-
> >>> 56 files changed, 74 insertions(+), 60 deletions(-)
> >>>
> >>> diff --git a/gcc/common.opt b/gcc/common.opt
> >>> index b921f5e3b25..4f2c0294c29 100644
> >>> --- a/gcc/common.opt
> >>> +++ b/gcc/common.opt
> >>> @@ -3031,7 +3031,7 @@ Perform variable tracking and also tag variables
> >>> that are uninitialized.
> >>>
> >>> ; Alias to enable both -ftree-loop-vectorize and -ftree-slp-vectorize.
> >>> ftree-vectorize
> >>> -Common Optimization
> >>> +Common Var(flag_tree_vectorize) Optimization
> >>> Enable vectorization on trees.
> >>>
> >>> ftree-vectorizer-verbose=
> >>> diff --git a/gcc/doc/invoke.texi b/gcc/doc/invoke.texi
> >>> index 78cfc100ac2..be022ef8024 100644
> >>> --- a/gcc/doc/invoke.texi
> >>> +++ b/gcc/doc/invoke.texi
> >>> @@ -10409,9 +10409,13 @@ also turns on the following optimization flags:
> >>> -fstrict-aliasing @gol
> >>> -fthread-jumps @gol
> >>> -ftree-builtin-call-dce @gol
> >>> +-ftree-loop-vectorize @gol
> >>> -ftree-pre @gol
> >>> +-ftree-slp-vectorize @gol
> >>> -ftree-switch-conversion -ftree-tail-merge @gol
> >>> --ftree-vrp}
> >>> +-ftree-vrp @gol
> >>> +-fvect-cost-model @gol
> >>
> >> the above is redundant
> >>
> >>> +-fvect-cost-model=very-cheap}
> >>>
> >>> Please note the warning under @option{-fgcse} about
> >>> invoking @option{-O2} on programs that use computed gotos.
> >>> @@ -10431,9 +10435,7 @@ by @option{-O2} and also turns on the following
> >>> optimization flags:
> >>> -fsplit-loops @gol
> >>> -fsplit-paths @gol
> >>> -ftree-loop-distribution @gol
> >>> --ftree-loop-vectorize @gol
> >>> -ftree-partial-pre @gol
> >>> --ftree-slp-vectorize @gol
> >>> -funswitch-loops @gol
> >>> -fvect-cost-model @gol
> >>
> >> likewise - so just remove it here as you are around
> >>
> >>> -fvect-cost-model=dynamic @gol
> >>> diff --git a/gcc/opts.c b/gcc/opts.c
> >>> index 1d2d22d7a3f..cee372a3235 100644
> >>> --- a/gcc/opts.c
> >>> +++ b/gcc/opts.c
> >>> @@ -634,7 +634,8 @@ static const struct default_options
> >>> default_options_table[] =
> >>> { OPT_LEVELS_2_PLUS, OPT_ftree_switch_conversion, NULL, 1 },
> >>> { OPT_LEVELS_2_PLUS, OPT_ftree_tail_merge, NULL, 1 },
> >>> { OPT_LEVELS_2_PLUS, OPT_ftree_vrp, NULL, 1 },
> >>> - { OPT_LEVELS_2_PLUS, OPT_fvect_cost_model_, NULL,
> >>> VECT_COST_MODEL_CHEAP },
> >>> + { OPT_LEVELS_2_PLUS, OPT_fvect_cost_model_, NULL,
> >>> + VECT_COST_MODEL_VERY_CHEAP },
> >>> { OPT_LEVELS_2_PLUS, OPT_finline_functions, NULL, 1 },
> >>> { OPT_LEVELS_2_PLUS, OPT_ftree_loop_distribute_patterns, NULL, 1 },
> >>>
> >>> @@ -646,6 +647,9 @@ static const struct default_options
> >>> default_options_table[] =
> >>> { OPT_LEVELS_2_PLUS_SPEED_ONLY, OPT_foptimize_strlen, NULL, 1 },
> >>> { OPT_LEVELS_2_PLUS_SPEED_ONLY, OPT_freorder_blocks_algorithm_,
> >>> NULL,
> >>> REORDER_BLOCKS_ALGORITHM_STC },
> >>> + { OPT_LEVELS_2_PLUS_SPEED_ONLY, OPT_ftree_loop_vectorize, NULL, 1 },
> >>> + { OPT_LEVELS_2_PLUS_SPEED_ONLY, OPT_ftree_slp_vectorize, NULL, 1 },
> >>> +
> >>> #ifdef INSN_SCHEDULING
> >>> /* Only run the pre-regalloc scheduling pass if optimizing for speed.
> >>> */
> >>> { OPT_LEVELS_2_PLUS_SPEED_ONLY, OPT_fschedule_insns, NULL, 1 },
> >>> @@ -663,9 +667,7 @@ static const struct default_options
> >>> default_options_table[] =
> >>> { OPT_LEVELS_3_PLUS, OPT_fsplit_loops, NULL, 1 },
> >>> { OPT_LEVELS_3_PLUS, OPT_fsplit_paths, NULL, 1 },
> >>> { OPT_LEVELS_3_PLUS, OPT_ftree_loop_distribution, NULL, 1 },
> >>> - { OPT_LEVELS_3_PLUS, OPT_ftree_loop_vectorize, NULL, 1 },
> >>> { OPT_LEVELS_3_PLUS, OPT_ftree_partial_pre, NULL, 1 },
> >>> - { OPT_LEVELS_3_PLUS, OPT_ftree_slp_vectorize, NULL, 1 },
> >>> { OPT_LEVELS_3_PLUS, OPT_funswitch_loops, NULL, 1 },
> >>> { OPT_LEVELS_3_PLUS, OPT_fvect_cost_model_, NULL,
> >>> VECT_COST_MODEL_DYNAMIC },
> >>> { OPT_LEVELS_3_PLUS, OPT_fversion_loops_for_strides, NULL, 1 },
> >>> @@ -1331,6 +1333,16 @@ finish_options (struct gcc_options *opts, struct
> >>> gcc_options *opts_set,
> >>> = (opts->x_flag_unroll_loops
> >>> || opts->x_flag_peel_loops
> >>> || opts->x_optimize >= 3);
> >>> +
> >>> + /* Use -fvect-cost-model=cheap instead of -fvect-cost-mode=very-cheap
> >>> + by default with explicit -ftree-{loop,slp}-vectorize. */
> >>> + if (opts->x_optimize == 2
> >>> + && (opts_set->x_flag_tree_loop_vectorize
> >>> + || opts_set->x_flag_tree_vectorize))
> >>> + SET_OPTION_IF_UNSET (opts, opts_set, flag_vect_cost_model,
> >>> + VECT_COST_MODEL_CHEAP);
> >>> +
> >>> +
> >>
> >> please avoid adding excessive vertical space at the end of the function
> >>
> >>> }
> >>>
> >>> #define LEFT_COLUMN 27
> >>> diff --git a/gcc/testsuite/c-c++-common/Wstringop-overflow-2.c
> >>> b/gcc/testsuite/c-c++-common/Wstringop-overflow-2.c
> >>> index 1d79930cd58..9351f7e7a1a 100644
> >>> --- a/gcc/testsuite/c-c++-common/Wstringop-overflow-2.c
> >>> +++ b/gcc/testsuite/c-c++-common/Wstringop-overflow-2.c
> >>> @@ -1,7 +1,7 @@
> >>> /* PR middle-end/91458 - inconsistent warning for writing past the end
> >>> of an array member
> >>> { dg-do compile }
> >>> - { dg-options "-O2 -Wall -Wno-array-bounds -fno-ipa-icf" } */
> >>> + { dg-options "-O2 -Wall -Wno-array-bounds -fno-ipa-icf
> >>> -fno-tree-vectorize" } */
> >>
> >> The testcase is large - what part requires this change? Given the
> >> testcase was added for inconsistent warnings do they now become
> >> inconsistent again as we enable vectorization at -O2?
> >>
> >> That said, the testcase adjustments need some explaining - I suppose
> >> you didn't just slap -fno-tree-vectorize to all of those changing
> >> behavior?
> >>
> > void ga1_ (void)
> > {
> > a1_.a[0] = 0;
> > a1_.a[1] = 1; // { dg-warning "\\\[-Wstringop-overflow" }
> > a1_.a[2] = 2; // { dg-warning "\\\[-Wstringop-overflow" }
> >
> > struct A1 a;
> > a.a[0] = 0;
> > a.a[1] = 1; // { dg-warning "\\\[-Wstringop-overflow" }
> > a.a[2] = 2; // { dg-warning "\\\[-Wstringop-overflow" }
> > sink (&a);
> > }
> >
> > It's supposed to be 2 warning for a.a[1] = 1 and a.a[2] = 1 since
> > there are 2 accesses, but after enabling vectorization, there's only
> > one access, so one warning is missing which causes the failure.
>
> I would find it preferable to change the test code over disabling
> optimizations that are on by default. My concern is that the test
> would no longer exercise the default behavior. (The same goes for
> the -fno-ipa-icf option.)
Hmm, it's a middle-end test, for some backend, it may not do
vectorization(it depends on TARGET_VECTOR_MODE_SUPPORTED_P and
relative cost model).
>
> Thanks
> Martin
>
> >
> > <bb 2> [local count: 1073741824]:
> > a1__.a[0] = 0;
> > a1__.a[1] = 1;
> > a1__.a[2] = 2;
> > MEM <char[1]> [(struct A1 *)&a + 1B] = {};
> > a.n = 1;
> > MEM <vector(2) char> [(char *)&a + 2B] = { 1, 2 };
> > sink (&a);
> > a ={v} {CLOBBER};
> > return;
> >
> >
> >> Thanks,
> >> Richard.
> >>
> >>> void sink (void*);
> >>>
> >>> diff --git a/gcc/testsuite/g++.dg/tree-ssa/pr81408.C
> >>> b/gcc/testsuite/g++.dg/tree-ssa/pr81408.C
> >>> index 39e32fd4bc9..bc14309480c 100644
> >>> --- a/gcc/testsuite/g++.dg/tree-ssa/pr81408.C
> >>> +++ b/gcc/testsuite/g++.dg/tree-ssa/pr81408.C
> >>> @@ -1,5 +1,5 @@
> >>> /* { dg-do compile } */
> >>> -/* { dg-options "-O2 -std=gnu++11 -fopt-info-loop-missed" } */
> >>> +/* { dg-options "-O2 -std=gnu++11 -fopt-info-loop-missed
> >>> -fno-tree-vectorize" } */
> >>> struct p
> >>> {
> >>> char *ay;
> >>> diff --git a/gcc/testsuite/g++.dg/warn/Wuninitialized-13.C
> >>> b/gcc/testsuite/g++.dg/warn/Wuninitialized-13.C
> >>> index 49ee878806a..60e8dd4f0e2 100644
> >>> --- a/gcc/testsuite/g++.dg/warn/Wuninitialized-13.C
> >>> +++ b/gcc/testsuite/g++.dg/warn/Wuninitialized-13.C
> >>> @@ -1,6 +1,6 @@
> >>> /* PR c/98597 - ICE in -Wuninitialized printing a MEM_REF
> >>> { dg-do compile }
> >>> - { dg-options "-O2 -Wall" } */
> >>> + { dg-options "-O2 -Wall -fno-tree-vectorize" } */
> >>>
> >>> struct shared_count {
> >>> shared_count () { }
> >>> diff --git a/gcc/testsuite/gcc.dg/Warray-bounds-51.c
> >>> b/gcc/testsuite/gcc.dg/Warray-bounds-51.c
> >>> index 6028b11637c..8b81a0ccfa7 100644
> >>> --- a/gcc/testsuite/gcc.dg/Warray-bounds-51.c
> >>> +++ b/gcc/testsuite/gcc.dg/Warray-bounds-51.c
> >>> @@ -1,7 +1,7 @@
> >>> /* PR middle-end/92333 - missing variable name referencing VLA in
> >>> warnings
> >>> PR middle-end/82608 - missing -Warray-bounds on an out-of-bounds VLA
> >>> index
> >>> { dg-do compile }
> >>> - { dg-options "-O2 -Wall" } */
> >>> + { dg-options "-O2 -Wall -fno-tree-vectorize" } */
> >>>
> >>> void sink (void*);
> >>>
> >>> diff --git a/gcc/testsuite/gcc.dg/Warray-parameter-3.c
> >>> b/gcc/testsuite/gcc.dg/Warray-parameter-3.c
> >>> index cbf3e9339f5..fbef715aa99 100644
> >>> --- a/gcc/testsuite/gcc.dg/Warray-parameter-3.c
> >>> +++ b/gcc/testsuite/gcc.dg/Warray-parameter-3.c
> >>> @@ -59,7 +59,7 @@ void fas1 (int[static 2]); // { dg-warning
> >>> "\\\[-Warray-parameter=" }
> >>>
> >>> /* Also verify that -Warray-bounds doesn't trigger for ordinary array
> >>> parameters... */
> >>> -#pragma GCC optimize "2"
> >>> +#pragma GCC optimize ("2,-fno-tree-vectorize")
> >>>
> >>> __attribute__ ((noipa)) void
> >>> gca3 (char a[3])
> >>> diff --git a/gcc/testsuite/gcc.dg/Wstringop-overflow-13.c
> >>> b/gcc/testsuite/gcc.dg/Wstringop-overflow-13.c
> >>> index bd513151cea..a78242bf26e 100644
> >>> --- a/gcc/testsuite/gcc.dg/Wstringop-overflow-13.c
> >>> +++ b/gcc/testsuite/gcc.dg/Wstringop-overflow-13.c
> >>> @@ -3,7 +3,7 @@
> >>> PR middle-end/89911 - ICE on a call with no arguments to strnlen
> >>> declared with no prototype
> >>> { dg-do compile }
> >>> - { dg-options "-O2 -Wall" } */
> >>> + { dg-options "-O2 -Wall -fno-tree-vectorize" } */
> >>>
> >>> typedef __SIZE_TYPE__ size_t;
> >>>
> >>> diff --git a/gcc/testsuite/gcc.dg/Wstringop-overflow-14.c
> >>> b/gcc/testsuite/gcc.dg/Wstringop-overflow-14.c
> >>> index d6201b068b6..808bf87c386 100644
> >>> --- a/gcc/testsuite/gcc.dg/Wstringop-overflow-14.c
> >>> +++ b/gcc/testsuite/gcc.dg/Wstringop-overflow-14.c
> >>> @@ -2,7 +2,7 @@
> >>> types than char are diagnosed.
> >>> { dg-do compile }
> >>> { dg-require-effective-target int32plus }
> >>> - { dg-options "-O2 -Wall -Wno-array-bounds" } */
> >>> + { dg-options "-O2 -fno-tree-vectorize -Wall -Wno-array-bounds" } */
> >>>
> >>> typedef __INT16_TYPE__ int16_t;
> >>> typedef __INT32_TYPE__ int32_t;
> >>> diff --git a/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c
> >>> b/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c
> >>> index 3a27460220c..f418a17ca93 100644
> >>> --- a/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c
> >>> +++ b/gcc/testsuite/gcc.dg/Wstringop-overflow-21.c
> >>> @@ -1,7 +1,7 @@
> >>> /* PR middle-end/92312 - bogus -Wstringop-overflow storing into a
> >>> trailing
> >>> array backed by larger buffer
> >>> { dg-do compile }
> >>> - { dg-options "-O2 -Wall -Wno-array-bounds" } */
> >>> + { dg-options "-O2 -Wall -Wno-array-bounds -fno-tree-vectorize" } */
> >>>
> >>> struct S0 { char a, b[0]; };
> >>>
> >>> diff --git a/gcc/testsuite/gcc.dg/Wstringop-overflow-68.c
> >>> b/gcc/testsuite/gcc.dg/Wstringop-overflow-68.c
> >>> index 6bcba274541..7cc1012130c 100644
> >>> --- a/gcc/testsuite/gcc.dg/Wstringop-overflow-68.c
> >>> +++ b/gcc/testsuite/gcc.dg/Wstringop-overflow-68.c
> >>> @@ -2,7 +2,7 @@
> >>> a larger scalar into a smaller array
> >>> Verify overflow by aggregate stores.
> >>> { dg-do compile }
> >>> - { dg-options "-O2" } */
> >>> + { dg-options "-O2 -fno-tree-vectorize" } */
> >>>
> >>> #define A(N) (A ## N)
> >>> #define Ac1 (AC1){ 0 }
> >>> diff --git a/gcc/testsuite/gcc.dg/gomp/pr46032-2.c
> >>> b/gcc/testsuite/gcc.dg/gomp/pr46032-2.c
> >>> index e110880bd8e..2e562618489 100644
> >>> --- a/gcc/testsuite/gcc.dg/gomp/pr46032-2.c
> >>> +++ b/gcc/testsuite/gcc.dg/gomp/pr46032-2.c
> >>> @@ -1,5 +1,5 @@
> >>> /* { dg-do compile } */
> >>> -/* { dg-options "-O2 -fopenmp -std=c99 -fipa-pta -fdump-tree-optimized"
> >>> } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fopenmp -std=c99 -fipa-pta
> >>> -fdump-tree-optimized" } */
> >>>
> >>> #define N 2
> >>>
> >>> diff --git a/gcc/testsuite/gcc.dg/gomp/pr46032-3.c
> >>> b/gcc/testsuite/gcc.dg/gomp/pr46032-3.c
> >>> index a4af7ec4a8a..da1ab487385 100644
> >>> --- a/gcc/testsuite/gcc.dg/gomp/pr46032-3.c
> >>> +++ b/gcc/testsuite/gcc.dg/gomp/pr46032-3.c
> >>> @@ -1,5 +1,5 @@
> >>> /* { dg-do compile } */
> >>> -/* { dg-options "-O2 -fopenmp -std=c99 -fipa-pta -fdump-tree-optimized"
> >>> } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fopenmp -std=c99 -fipa-pta
> >>> -fdump-tree-optimized" } */
> >>>
> >>> #define N 2
> >>>
> >>> diff --git a/gcc/testsuite/gcc.dg/gomp/simd-2.c
> >>> b/gcc/testsuite/gcc.dg/gomp/simd-2.c
> >>> index 85acb980f10..f4912127b81 100644
> >>> --- a/gcc/testsuite/gcc.dg/gomp/simd-2.c
> >>> +++ b/gcc/testsuite/gcc.dg/gomp/simd-2.c
> >>> @@ -1,5 +1,5 @@
> >>> /* { dg-do compile } */
> >>> -/* { dg-options "-O2 -fopenmp -fdump-tree-vect-details" } */
> >>> +/* { dg-options "-O2 -fopenmp -fvect-cost-model=cheap
> >>> -fdump-tree-vect-details" } */
> >>> /* { dg-additional-options "-msse2" { target { i?86-*-* x86_64-*-* } }
> >>> } */
> >>> /* { dg-additional-options "-mavx" { target avx } } */
> >>> /* { dg-final { scan-tree-dump-times "vectorized \[1-9]\[0-9]* loops in
> >>> function" 5 "vect" { target i?86-*-* x86_64-*-* aarch64-*-* } } } */
> >>> diff --git a/gcc/testsuite/gcc.dg/gomp/simd-3.c
> >>> b/gcc/testsuite/gcc.dg/gomp/simd-3.c
> >>> index 86fee858673..c75060c07ae 100644
> >>> --- a/gcc/testsuite/gcc.dg/gomp/simd-3.c
> >>> +++ b/gcc/testsuite/gcc.dg/gomp/simd-3.c
> >>> @@ -1,5 +1,5 @@
> >>> /* { dg-do compile } */
> >>> -/* { dg-options "-O2 -fopenmp -fdump-tree-vect-details" } */
> >>> +/* { dg-options "-O2 -fopenmp -fvect-cost-model=cheap
> >>> -fdump-tree-vect-details" } */
> >>> /* { dg-additional-options "-msse2" { target { i?86-*-* x86_64-*-* } }
> >>> } */
> >>> /* { dg-additional-options "-mavx" { target avx } } */
> >>> /* { dg-final { scan-tree-dump-times "vectorized \[1-9]\[0-9]* loops in
> >>> function" 5 "vect" { target i?86-*-* x86_64-*-* aarch64-*-* } } } */
> >>> diff --git a/gcc/testsuite/gcc.dg/graphite/fuse-1.c
> >>> b/gcc/testsuite/gcc.dg/graphite/fuse-1.c
> >>> index 527b6e5c415..61289d312c2 100644
> >>> --- a/gcc/testsuite/gcc.dg/graphite/fuse-1.c
> >>> +++ b/gcc/testsuite/gcc.dg/graphite/fuse-1.c
> >>> @@ -1,6 +1,6 @@
> >>> /* Check that the two loops are fused and that we manage to fold the
> >>> two xor
> >>> operations. */
> >>> -/* { dg-options "-O2 -floop-nest-optimize -fdump-tree-forwprop4
> >>> -fdump-tree-graphite-all" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -floop-nest-optimize
> >>> -fdump-tree-forwprop4 -fdump-tree-graphite-all" } */
> >>>
> >>> /* Make sure we fuse the loops like this:
> >>> AST generated by isl:
> >>> diff --git a/gcc/testsuite/gcc.dg/pr67089-6.c
> >>> b/gcc/testsuite/gcc.dg/pr67089-6.c
> >>> index db2ffdfeca4..b59d75b2318 100644
> >>> --- a/gcc/testsuite/gcc.dg/pr67089-6.c
> >>> +++ b/gcc/testsuite/gcc.dg/pr67089-6.c
> >>> @@ -1,6 +1,6 @@
> >>> /* PR target/67089 */
> >>> /* { dg-do compile } */
> >>> -/* { dg-options "-O2 -ftree-loop-if-convert -fdump-tree-widening_mul" }
> >>> */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -ftree-loop-if-convert
> >>> -fdump-tree-widening_mul" } */
> >>>
> >>> extern void abort (void);
> >>>
> >>> diff --git a/gcc/testsuite/gcc.dg/pr82929-2.c
> >>> b/gcc/testsuite/gcc.dg/pr82929-2.c
> >>> index 3442f91af02..b886f1cce76 100644
> >>> --- a/gcc/testsuite/gcc.dg/pr82929-2.c
> >>> +++ b/gcc/testsuite/gcc.dg/pr82929-2.c
> >>> @@ -1,6 +1,6 @@
> >>> /* PR tree-optimization/82929 */
> >>> /* { dg-do compile { target store_merge } } */
> >>> -/* { dg-options "-O2 -fdump-tree-store-merging" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fdump-tree-store-merging" } */
> >>>
> >>> void
> >>> foo (short *p, short *q, short *r)
> >>> diff --git a/gcc/testsuite/gcc.dg/pr82929.c
> >>> b/gcc/testsuite/gcc.dg/pr82929.c
> >>> index bb84f2b21a3..123e1919cec 100644
> >>> --- a/gcc/testsuite/gcc.dg/pr82929.c
> >>> +++ b/gcc/testsuite/gcc.dg/pr82929.c
> >>> @@ -1,6 +1,6 @@
> >>> /* PR tree-optimization/82929 */
> >>> /* { dg-do compile { target store_merge } } */
> >>> -/* { dg-options "-O2 -fdump-tree-store-merging" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fdump-tree-store-merging" } */
> >>>
> >>> void
> >>> foo (short *p, short *q, short *r)
> >>> diff --git a/gcc/testsuite/gcc.dg/store_merging_1.c
> >>> b/gcc/testsuite/gcc.dg/store_merging_1.c
> >>> index 4cc43dfd9e1..91ca925be0e 100644
> >>> --- a/gcc/testsuite/gcc.dg/store_merging_1.c
> >>> +++ b/gcc/testsuite/gcc.dg/store_merging_1.c
> >>> @@ -1,6 +1,6 @@
> >>> /* { dg-do compile } */
> >>> /* { dg-require-effective-target store_merge } */
> >>> -/* { dg-options "-O2 -fdump-tree-store-merging" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fdump-tree-store-merging" } */
> >>>
> >>> struct bar {
> >>> int a;
> >>> diff --git a/gcc/testsuite/gcc.dg/store_merging_11.c
> >>> b/gcc/testsuite/gcc.dg/store_merging_11.c
> >>> index 2ec2394afb9..60ed5cd8bf9 100644
> >>> --- a/gcc/testsuite/gcc.dg/store_merging_11.c
> >>> +++ b/gcc/testsuite/gcc.dg/store_merging_11.c
> >>> @@ -1,6 +1,6 @@
> >>> /* { dg-do run } */
> >>> /* { dg-require-effective-target store_merge } */
> >>> -/* { dg-options "-O2 -fdump-tree-store-merging" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fdump-tree-store-merging" } */
> >>>
> >>> struct S { unsigned char b[2]; unsigned short c; unsigned char d[4];
> >>> unsigned long e; };
> >>>
> >>> diff --git a/gcc/testsuite/gcc.dg/store_merging_15.c
> >>> b/gcc/testsuite/gcc.dg/store_merging_15.c
> >>> index acd7de571f8..13fcca4aa11 100644
> >>> --- a/gcc/testsuite/gcc.dg/store_merging_15.c
> >>> +++ b/gcc/testsuite/gcc.dg/store_merging_15.c
> >>> @@ -1,6 +1,6 @@
> >>> /* { dg-do run } */
> >>> /* { dg-require-effective-target store_merge } */
> >>> -/* { dg-options "-O2 -fdump-tree-store-merging" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fdump-tree-store-merging" } */
> >>>
> >>> struct S { unsigned char a, b; unsigned short c; unsigned char d, e, f,
> >>> g; unsigned long long h; };
> >>>
> >>> diff --git a/gcc/testsuite/gcc.dg/store_merging_16.c
> >>> b/gcc/testsuite/gcc.dg/store_merging_16.c
> >>> index 9545dcce3de..cd83f1c0fe5 100644
> >>> --- a/gcc/testsuite/gcc.dg/store_merging_16.c
> >>> +++ b/gcc/testsuite/gcc.dg/store_merging_16.c
> >>> @@ -2,7 +2,7 @@
> >>> are either big or little endian (not pdp endian). */
> >>> /* { dg-do run { target { lp64 && { i?86-*-* x86_64-*-* powerpc*-*-*
> >>> aarch64*-*-* } } } } */
> >>> /* { dg-require-effective-target store_merge } */
> >>> -/* { dg-options "-O2 -fdump-tree-store-merging" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fdump-tree-store-merging" } */
> >>>
> >>> __attribute__((noipa)) void
> >>> f1 (unsigned char *p, unsigned long long q)
> >>> diff --git a/gcc/testsuite/gcc.dg/store_merging_19.c
> >>> b/gcc/testsuite/gcc.dg/store_merging_19.c
> >>> index 0841bb4deee..0a2bbc4bfde 100644
> >>> --- a/gcc/testsuite/gcc.dg/store_merging_19.c
> >>> +++ b/gcc/testsuite/gcc.dg/store_merging_19.c
> >>> @@ -1,6 +1,6 @@
> >>> /* PR tree-optimization/83843 */
> >>> /* { dg-do run } */
> >>> -/* { dg-options "-O2 -fdump-tree-store-merging" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fdump-tree-store-merging" } */
> >>> /* { dg-final { scan-tree-dump-times "Merging successful" 3
> >>> "store-merging" { target store_merge } } } */
> >>>
> >>> __attribute__((noipa)) void
> >>> diff --git a/gcc/testsuite/gcc.dg/store_merging_24.c
> >>> b/gcc/testsuite/gcc.dg/store_merging_24.c
> >>> index 744fe60e8e0..5291bb9e986 100644
> >>> --- a/gcc/testsuite/gcc.dg/store_merging_24.c
> >>> +++ b/gcc/testsuite/gcc.dg/store_merging_24.c
> >>> @@ -1,6 +1,6 @@
> >>> /* PR tree-optimization/87859 */
> >>> /* { dg-do run } */
> >>> -/* { dg-options "-O2 -fdump-tree-store-merging-details" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize
> >>> -fdump-tree-store-merging-details" } */
> >>> /* { dg-final { scan-tree-dump "New sequence of \[23] stores to replace
> >>> old one of 19 stores" "store-merging" { target i?86-*-* x86_64-*-* } } }
> >>> */
> >>> /* { dg-final { scan-tree-dump "New sequence of 1 stores to replace old
> >>> one of 6 stores" "store-merging" { target i?86-*-* x86_64-*-* } } } */
> >>>
> >>> diff --git a/gcc/testsuite/gcc.dg/store_merging_25.c
> >>> b/gcc/testsuite/gcc.dg/store_merging_25.c
> >>> index cf182190e91..96611b5e57b 100644
> >>> --- a/gcc/testsuite/gcc.dg/store_merging_25.c
> >>> +++ b/gcc/testsuite/gcc.dg/store_merging_25.c
> >>> @@ -1,6 +1,6 @@
> >>> /* PR tree-optimization/87859 */
> >>> /* { dg-do run } */
> >>> -/* { dg-options "-O2 -fdump-tree-store-merging-details" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize
> >>> -fdump-tree-store-merging-details" } */
> >>> /* { dg-final { scan-tree-dump "New sequence of \[23] stores to replace
> >>> old one of 14 stores" "store-merging" { target i?86-*-* x86_64-*-* } } }
> >>> */
> >>> /* { dg-final { scan-tree-dump "New sequence of 1 stores to replace old
> >>> one of 6 stores" "store-merging" { target i?86-*-* x86_64-*-* } } } */
> >>>
> >>> diff --git a/gcc/testsuite/gcc.dg/store_merging_28.c
> >>> b/gcc/testsuite/gcc.dg/store_merging_28.c
> >>> index 2d6cffc4694..fadb7fff993 100644
> >>> --- a/gcc/testsuite/gcc.dg/store_merging_28.c
> >>> +++ b/gcc/testsuite/gcc.dg/store_merging_28.c
> >>> @@ -1,7 +1,7 @@
> >>> /* PR tree-optimization/88709 */
> >>> /* { dg-do compile } */
> >>> /* { dg-require-effective-target store_merge } */
> >>> -/* { dg-options "-O2 -fno-ipa-icf -fdump-tree-store-merging-details" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fno-ipa-icf
> >>> -fdump-tree-store-merging-details" } */
> >>> /* { dg-final { scan-tree-dump-times "New sequence of \[24] stores to
> >>> replace old one of 16 stores" 8 "store-merging" { target { i?86-*-*
> >>> x86_64-*-* } } } } */
> >>> /* { dg-final { scan-tree-dump-times "New sequence of \[24] stores to
> >>> replace old one of 6 stores" 1 "store-merging" { target { ! arm*-*-* } }
> >>> } } */
> >>>
> >>> diff --git a/gcc/testsuite/gcc.dg/store_merging_30.c
> >>> b/gcc/testsuite/gcc.dg/store_merging_30.c
> >>> index 694d560a621..baf94efe733 100644
> >>> --- a/gcc/testsuite/gcc.dg/store_merging_30.c
> >>> +++ b/gcc/testsuite/gcc.dg/store_merging_30.c
> >>> @@ -1,7 +1,7 @@
> >>> /* PR tree-optimization/94573 */
> >>> /* { dg-do compile } */
> >>> /* { dg-require-effective-target store_merge } */
> >>> -/* { dg-options "-O2 -fdump-tree-store-merging-details" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize
> >>> -fdump-tree-store-merging-details" } */
> >>> /* { dg-final { scan-tree-dump "New sequence of 4 stores to replace old
> >>> one of 8 stores" "store-merging" { target lp64 } } } */
> >>>
> >>> int var[43][12];
> >>> diff --git a/gcc/testsuite/gcc.dg/store_merging_5.c
> >>> b/gcc/testsuite/gcc.dg/store_merging_5.c
> >>> index 6e7c72510ff..b0cb0da78e0 100644
> >>> --- a/gcc/testsuite/gcc.dg/store_merging_5.c
> >>> +++ b/gcc/testsuite/gcc.dg/store_merging_5.c
> >>> @@ -1,6 +1,6 @@
> >>> /* { dg-do compile } */
> >>> /* { dg-require-effective-target store_merge } */
> >>> -/* { dg-options "-O2 -fdump-tree-store-merging" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fdump-tree-store-merging" } */
> >>>
> >>> /* Make sure that non-aliasing non-constant interspersed stores do not
> >>> stop chains. */
> >>> diff --git a/gcc/testsuite/gcc.dg/store_merging_7.c
> >>> b/gcc/testsuite/gcc.dg/store_merging_7.c
> >>> index c744ece6407..dbe000a463e 100644
> >>> --- a/gcc/testsuite/gcc.dg/store_merging_7.c
> >>> +++ b/gcc/testsuite/gcc.dg/store_merging_7.c
> >>> @@ -1,6 +1,6 @@
> >>> /* { dg-do compile } */
> >>> /* { dg-require-effective-target store_merge } */
> >>> -/* { dg-options "-O2 -fdump-tree-store-merging" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fdump-tree-store-merging" } */
> >>>
> >>> /* Check that we can merge consecutive array members through the
> >>> pointer.
> >>> PR rtl-optimization/23684. */
> >>> diff --git a/gcc/testsuite/gcc.dg/store_merging_8.c
> >>> b/gcc/testsuite/gcc.dg/store_merging_8.c
> >>> index e710a544ff0..d719e0a2257 100644
> >>> --- a/gcc/testsuite/gcc.dg/store_merging_8.c
> >>> +++ b/gcc/testsuite/gcc.dg/store_merging_8.c
> >>> @@ -1,6 +1,6 @@
> >>> /* { dg-do compile } */
> >>> /* { dg-require-effective-target store_merge } */
> >>> -/* { dg-options "-O2 -fdump-tree-store-merging" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fdump-tree-store-merging" } */
> >>>
> >>> struct baz {
> >>> struct bar {
> >>> diff --git a/gcc/testsuite/gcc.dg/strlenopt-85.c
> >>> b/gcc/testsuite/gcc.dg/strlenopt-85.c
> >>> index e049e0c30e0..2ba1ee05700 100644
> >>> --- a/gcc/testsuite/gcc.dg/strlenopt-85.c
> >>> +++ b/gcc/testsuite/gcc.dg/strlenopt-85.c
> >>> @@ -4,7 +4,7 @@
> >>> of memory allocated by calloc() even if one or more nul bytes are
> >>> written into it.
> >>> { dg-do compile }
> >>> - { dg-options "-O2 -fdump-tree-optimized" } */
> >>> + { dg-options "-O2 -fno-tree-vectorize -fdump-tree-optimized" } */
> >>>
> >>> unsigned n0, n1;
> >>>
> >>> diff --git a/gcc/testsuite/gcc.dg/tree-ssa/dump-6.c
> >>> b/gcc/testsuite/gcc.dg/tree-ssa/dump-6.c
> >>> index 70659c00c0e..6c803908781 100644
> >>> --- a/gcc/testsuite/gcc.dg/tree-ssa/dump-6.c
> >>> +++ b/gcc/testsuite/gcc.dg/tree-ssa/dump-6.c
> >>> @@ -1,6 +1,6 @@
> >>> /* PR middle-end/90676 - default GIMPLE dumps lack information
> >>> { dg-do compile }
> >>> - { dg-options "-O2 -fdump-tree-store-merging" }
> >>> + { dg-options "-O2 -fno-tree-vectorize -fdump-tree-store-merging" }
> >>> { dg-require-effective-target int32plus }
> >>> { dg-require-effective-target store_merge } */
> >>>
> >>> diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr19210-1.c
> >>> b/gcc/testsuite/gcc.dg/tree-ssa/pr19210-1.c
> >>> index 50d86a00485..b9e40e964c1 100644
> >>> --- a/gcc/testsuite/gcc.dg/tree-ssa/pr19210-1.c
> >>> +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr19210-1.c
> >>> @@ -1,5 +1,5 @@
> >>> /* { dg-do compile } */
> >>> -/* { dg-options "-O2 -fopt-info-loop-missed" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fopt-info-loop-missed" } */
> >>> extern void g(void);
> >>>
> >>> void
> >>> diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr47059.c
> >>> b/gcc/testsuite/gcc.dg/tree-ssa/pr47059.c
> >>> index 9f9c61aa213..860cde12c0f 100644
> >>> --- a/gcc/testsuite/gcc.dg/tree-ssa/pr47059.c
> >>> +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr47059.c
> >>> @@ -1,5 +1,5 @@
> >>> /* { dg-do compile } */
> >>> -/* { dg-options "-Os -fdump-tree-optimized" } */
> >>> +/* { dg-options "-Os -fno-tree-vectorize -fdump-tree-optimized" } */
> >>>
> >>>
> >>> struct struct1
> >>> diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr86017.c
> >>> b/gcc/testsuite/gcc.dg/tree-ssa/pr86017.c
> >>> index f216e83c7b3..c7ef73ad59e 100644
> >>> --- a/gcc/testsuite/gcc.dg/tree-ssa/pr86017.c
> >>> +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr86017.c
> >>> @@ -1,5 +1,5 @@
> >>> /* { dg-do compile } */
> >>> -/* { dg-options "-O2 -fdump-tree-store-merging" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fdump-tree-store-merging" } */
> >>>
> >>> void f (void*);
> >>>
> >>> diff --git a/gcc/testsuite/gcc.dg/tree-ssa/pr91482.c
> >>> b/gcc/testsuite/gcc.dg/tree-ssa/pr91482.c
> >>> index 7d6a724e4ad..0ddad573129 100644
> >>> --- a/gcc/testsuite/gcc.dg/tree-ssa/pr91482.c
> >>> +++ b/gcc/testsuite/gcc.dg/tree-ssa/pr91482.c
> >>> @@ -1,5 +1,5 @@
> >>> /* { dg-do compile } */
> >>> -/* { dg-options "-O2 -fdump-tree-ccp1 -fdump-tree-store-merging" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fdump-tree-ccp1
> >>> -fdump-tree-store-merging" } */
> >>>
> >>> void write64 (void *p)
> >>> {
> >>> diff --git a/gcc/testsuite/gcc.dg/tree-ssa/predcom-1.c
> >>> b/gcc/testsuite/gcc.dg/tree-ssa/predcom-1.c
> >>> index f68be2b3379..8c3d9a4fc58 100644
> >>> --- a/gcc/testsuite/gcc.dg/tree-ssa/predcom-1.c
> >>> +++ b/gcc/testsuite/gcc.dg/tree-ssa/predcom-1.c
> >>> @@ -1,6 +1,6 @@
> >>> /* { dg-do compile } */
> >>> /* { dg-do run } */
> >>> -/* { dg-options "-O2 -funroll-loops --param max-unroll-times=8
> >>> -fpredictive-commoning -fdump-tree-pcom-details" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -funroll-loops --param
> >>> max-unroll-times=8 -fpredictive-commoning -fdump-tree-pcom-details" } */
> >>>
> >>> void abort (void);
> >>>
> >>> diff --git a/gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-3.c
> >>> b/gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-3.c
> >>> index ec08d6c0318..1fc8f089345 100644
> >>> --- a/gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-3.c
> >>> +++ b/gcc/testsuite/gcc.dg/tree-ssa/predcom-dse-3.c
> >>> @@ -1,5 +1,5 @@
> >>> /* { dg-do run } */
> >>> -/* { dg-options "-O2 -fno-inline -fno-tree-loop-distribute-patterns
> >>> -fpredictive-commoning -fdump-tree-pcom-details" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fno-inline
> >>> -fno-tree-loop-distribute-patterns -fpredictive-commoning
> >>> -fdump-tree-pcom-details" } */
> >>>
> >>> int arr1[105] = {2, 3, 5, 7, 11, 13, 0};
> >>> int arr2[105] = {2, 3, 5, 7, 11, 13, 0};
> >>> diff --git a/gcc/testsuite/gcc.dg/tree-ssa/prefetch-3.c
> >>> b/gcc/testsuite/gcc.dg/tree-ssa/prefetch-3.c
> >>> index 467903bf3fc..46f0d0c2317 100644
> >>> --- a/gcc/testsuite/gcc.dg/tree-ssa/prefetch-3.c
> >>> +++ b/gcc/testsuite/gcc.dg/tree-ssa/prefetch-3.c
> >>> @@ -1,7 +1,7 @@
> >>> /* Prefetching used to prefer nonsensical unroll factor of 5 in this
> >>> testcase. */
> >>>
> >>> /* { dg-do compile { target { i?86-*-* x86_64-*-* } } } */
> >>> -/* { dg-options "-O2 -fprefetch-loop-arrays -march=amdfam10
> >>> -fdump-tree-aprefetch-details" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fprefetch-loop-arrays
> >>> -march=amdfam10 -fdump-tree-aprefetch-details" } */
> >>>
> >>> #define N 1000000
> >>>
> >>> diff --git a/gcc/testsuite/gcc.dg/tree-ssa/prefetch-6.c
> >>> b/gcc/testsuite/gcc.dg/tree-ssa/prefetch-6.c
> >>> index 12f09016943..3fa71685ace 100644
> >>> --- a/gcc/testsuite/gcc.dg/tree-ssa/prefetch-6.c
> >>> +++ b/gcc/testsuite/gcc.dg/tree-ssa/prefetch-6.c
> >>> @@ -1,5 +1,5 @@
> >>> /* { dg-do compile { target { i?86-*-* x86_64-*-* } } } */
> >>> -/* { dg-options "-O2 -fprefetch-loop-arrays -march=amdfam10 --param
> >>> simultaneous-prefetches=100 --param min-insn-to-prefetch-ratio=6
> >>> -fdump-tree-aprefetch-details" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fprefetch-loop-arrays
> >>> -march=amdfam10 --param simultaneous-prefetches=100 --param
> >>> min-insn-to-prefetch-ratio=6 -fdump-tree-aprefetch-details" } */
> >>>
> >>> #define N 1000
> >>> #define K 900
> >>> diff --git a/gcc/testsuite/gcc.dg/tree-ssa/prefetch-8.c
> >>> b/gcc/testsuite/gcc.dg/tree-ssa/prefetch-8.c
> >>> index cbd6a80d345..00f41c3e4f4 100644
> >>> --- a/gcc/testsuite/gcc.dg/tree-ssa/prefetch-8.c
> >>> +++ b/gcc/testsuite/gcc.dg/tree-ssa/prefetch-8.c
> >>> @@ -1,5 +1,5 @@
> >>> /* { dg-do compile { target { i?86-*-* x86_64-*-* } } } */
> >>> -/* { dg-options "-O2 -fno-tree-loop-distribute-patterns
> >>> -fprefetch-loop-arrays -march=amdfam10 --param
> >>> simultaneous-prefetches=100 -fdump-tree-aprefetch-details
> >>> -fdump-tree-optimized" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize
> >>> -fno-tree-loop-distribute-patterns -fprefetch-loop-arrays -march=amdfam10
> >>> --param simultaneous-prefetches=100 -fdump-tree-aprefetch-details
> >>> -fdump-tree-optimized" } */
> >>>
> >>> #define K 1000000
> >>> int a[K];
> >>> diff --git a/gcc/testsuite/gcc.dg/tree-ssa/prefetch-9.c
> >>> b/gcc/testsuite/gcc.dg/tree-ssa/prefetch-9.c
> >>> index da4847320b1..e8848c30acc 100644
> >>> --- a/gcc/testsuite/gcc.dg/tree-ssa/prefetch-9.c
> >>> +++ b/gcc/testsuite/gcc.dg/tree-ssa/prefetch-9.c
> >>> @@ -1,5 +1,5 @@
> >>> /* { dg-do compile { target { i?86-*-* x86_64-*-* } } } */
> >>> -/* { dg-options "-O2 -fno-tree-loop-distribute-patterns
> >>> -fprefetch-loop-arrays -march=amdfam10 --param
> >>> simultaneous-prefetches=100 -fdump-tree-aprefetch-details
> >>> -fdump-tree-optimized" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize
> >>> -fno-tree-loop-distribute-patterns -fprefetch-loop-arrays -march=amdfam10
> >>> --param simultaneous-prefetches=100 -fdump-tree-aprefetch-details
> >>> -fdump-tree-optimized" } */
> >>>
> >>> #define K 1000000
> >>> int a[K], b[K];
> >>> diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-18.c
> >>> b/gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-18.c
> >>> index 92b2df80ec8..2e7b5b496ea 100644
> >>> --- a/gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-18.c
> >>> +++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-18.c
> >>> @@ -1,5 +1,5 @@
> >>> /* { dg-do compile } */
> >>> -/* { dg-options "-O2 -fdump-tree-optimized" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fdump-tree-optimized" } */
> >>> int g(_Complex int*);
> >>> int f(void)
> >>> {
> >>> diff --git a/gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-19.c
> >>> b/gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-19.c
> >>> index 718b7466e50..7bb8d060631 100644
> >>> --- a/gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-19.c
> >>> +++ b/gcc/testsuite/gcc.dg/tree-ssa/ssa-dse-19.c
> >>> @@ -1,5 +1,5 @@
> >>> /* { dg-do compile } */
> >>> -/* { dg-options "-O2 -fdump-tree-optimized" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fdump-tree-optimized" } */
> >>> int g(_Complex int*);
> >>> int f(void)
> >>> {
> >>> diff --git a/gcc/testsuite/gcc.dg/uninit-40.c
> >>> b/gcc/testsuite/gcc.dg/uninit-40.c
> >>> index c015191ca32..8708079d397 100644
> >>> --- a/gcc/testsuite/gcc.dg/uninit-40.c
> >>> +++ b/gcc/testsuite/gcc.dg/uninit-40.c
> >>> @@ -1,6 +1,6 @@
> >>> /* PR tree-optimization/98597 */
> >>> /* { dg-do compile } */
> >>> -/* { dg-options "-O2 -Wuninitialized" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -Wuninitialized" } */
> >>>
> >>> union U { double d; int i; float f; };
> >>> struct S { char a; int b; char c; unsigned d; union U e; int f[3];
> >>> unsigned g[3]; };
> >>> diff --git a/gcc/testsuite/gcc.dg/unroll-7.c
> >>> b/gcc/testsuite/gcc.dg/unroll-7.c
> >>> index 055369bf8b1..695af5757cc 100644
> >>> --- a/gcc/testsuite/gcc.dg/unroll-7.c
> >>> +++ b/gcc/testsuite/gcc.dg/unroll-7.c
> >>> @@ -1,5 +1,5 @@
> >>> /* { dg-do compile } */
> >>> -/* { dg-options "-O2 -fdump-rtl-loop2_unroll-details -funroll-loops" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fdump-rtl-loop2_unroll-details
> >>> -funroll-loops" } */
> >>> /* { dg-require-effective-target int32plus } */
> >>>
> >>> extern int *a;
> >>> diff --git a/gcc/testsuite/gcc.misc-tests/help.exp
> >>> b/gcc/testsuite/gcc.misc-tests/help.exp
> >>> index 5e034d26947..eb6d8686c6a 100644
> >>> --- a/gcc/testsuite/gcc.misc-tests/help.exp
> >>> +++ b/gcc/testsuite/gcc.misc-tests/help.exp
> >>> @@ -79,7 +79,7 @@ check_for_options c "--help=target,optimizers" "" "" ""
> >>> check_for_options c "--help=warnings,^joined,^undocumented" "" "" ""
> >>> check_for_options c "-Q -O2 --help=optimizers" {
> >>> -O
> >>> --ftree-loop-vectorize[^\n]*disabled
> >>> +-ftree-loop-vectorize[^\n]*enabled
> >>> } " -g " ""
> >>> check_for_options c "-Q -O3 --help=optimizers" {
> >>> -O
> >>> diff --git a/gcc/testsuite/gcc.target/i386/avx512vpopcntdqvl-vpopcntd-1.c
> >>> b/gcc/testsuite/gcc.target/i386/avx512vpopcntdqvl-vpopcntd-1.c
> >>> index 709cd21e671..a732bc466db 100644
> >>> --- a/gcc/testsuite/gcc.target/i386/avx512vpopcntdqvl-vpopcntd-1.c
> >>> +++ b/gcc/testsuite/gcc.target/i386/avx512vpopcntdqvl-vpopcntd-1.c
> >>> @@ -1,5 +1,5 @@
> >>> /* { dg-do run } */
> >>> -/* { dg-options "-O2 -mavx512vpopcntdq -mavx512bw -mavx512vl" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -mavx512vpopcntdq -mavx512bw
> >>> -mavx512vl" } */
> >>> /* { dg-require-effective-target avx512vl } */
> >>> /* { dg-require-effective-target avx512vpopcntdqvl } */
> >>> /* { dg-require-effective-target avx512bw } */
> >>> diff --git a/gcc/testsuite/gcc.target/i386/pr22141.c
> >>> b/gcc/testsuite/gcc.target/i386/pr22141.c
> >>> index 036422e8ccf..b68b97f3f72 100644
> >>> --- a/gcc/testsuite/gcc.target/i386/pr22141.c
> >>> +++ b/gcc/testsuite/gcc.target/i386/pr22141.c
> >>> @@ -1,6 +1,6 @@
> >>> /* PR middle-end/22141 */
> >>> /* { dg-do compile } */
> >>> -/* { dg-options "-Os" } */
> >>> +/* { dg-options "-Os -fno-tree-vectorize" } */
> >>>
> >>> extern void abort (void);
> >>>
> >>> diff --git a/gcc/testsuite/gcc.target/i386/pr34012.c
> >>> b/gcc/testsuite/gcc.target/i386/pr34012.c
> >>> index d0cffa05290..1c1f0eea52e 100644
> >>> --- a/gcc/testsuite/gcc.target/i386/pr34012.c
> >>> +++ b/gcc/testsuite/gcc.target/i386/pr34012.c
> >>> @@ -1,7 +1,7 @@
> >>> /* PR rtl-optimization/34012 */
> >>> /* { dg-do compile } */
> >>> /* { dg-require-effective-target lp64 } */
> >>> -/* { dg-options "-O2 -fno-store-merging" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fno-store-merging" } */
> >>>
> >>> void bar (long int *);
> >>> void
> >>> diff --git a/gcc/testsuite/gcc.target/i386/pr49781-1.c
> >>> b/gcc/testsuite/gcc.target/i386/pr49781-1.c
> >>> index 60f9d50d866..d5a2e32db97 100644
> >>> --- a/gcc/testsuite/gcc.target/i386/pr49781-1.c
> >>> +++ b/gcc/testsuite/gcc.target/i386/pr49781-1.c
> >>> @@ -1,5 +1,5 @@
> >>> /* { dg-do compile } */
> >>> -/* { dg-options "-O2 -fpic -mtune=generic" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -fpic -mtune=generic" } */
> >>> /* { dg-require-effective-target fpic } */
> >>>
> >>> static int heap[2*(256 +1+29)+1];
> >>> diff --git a/gcc/testsuite/gcc.target/i386/pr95798-1.c
> >>> b/gcc/testsuite/gcc.target/i386/pr95798-1.c
> >>> index 9a7e32d6f2f..526f48921fd 100644
> >>> --- a/gcc/testsuite/gcc.target/i386/pr95798-1.c
> >>> +++ b/gcc/testsuite/gcc.target/i386/pr95798-1.c
> >>> @@ -1,6 +1,6 @@
> >>> /* PR target/95798 */
> >>> /* { dg-do compile } */
> >>> -/* { dg-options "-O2 -masm=att -fomit-frame-pointer" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -masm=att -fomit-frame-pointer"
> >>> } */
> >>> /* { dg-final { scan-assembler "1, 8\\\(%rsp,%r\[a-z0-9]*,8\\\)" {
> >>> target lp64 } } } */
> >>> /* { dg-final { scan-assembler "2, 16\\\(%rsp,%r\[a-z0-9]*,8\\\)" {
> >>> target lp64 } } } */
> >>> /* { dg-final { scan-assembler "3, 24\\\(%rsp,%r\[a-z0-9]*,8\\\)" {
> >>> target lp64 } } } */
> >>> diff --git a/gcc/testsuite/gcc.target/i386/pr95798-2.c
> >>> b/gcc/testsuite/gcc.target/i386/pr95798-2.c
> >>> index c670d3780e8..6b5c5a73e96 100644
> >>> --- a/gcc/testsuite/gcc.target/i386/pr95798-2.c
> >>> +++ b/gcc/testsuite/gcc.target/i386/pr95798-2.c
> >>> @@ -1,6 +1,6 @@
> >>> /* PR target/95798 */
> >>> /* { dg-do compile } */
> >>> -/* { dg-options "-O2 -masm=att -fomit-frame-pointer" } */
> >>> +/* { dg-options "-O2 -fno-tree-vectorize -masm=att -fomit-frame-pointer"
> >>> } */
> >>> /* { dg-final { scan-assembler "1, 8\\\(%rsp,%r\[a-z0-9]*,8\\\)" {
> >>> target lp64 } } } */
> >>> /* { dg-final { scan-assembler "2, 16\\\(%rsp,%r\[a-z0-9]*,8\\\)" {
> >>> target lp64 } } } */
> >>> /* { dg-final { scan-assembler "3, 24\\\(%rsp,%r\[a-z0-9]*,8\\\)" {
> >>> target lp64 } } } */
> >>> diff --git a/gcc/testsuite/gfortran.dg/pr77498.f
> >>> b/gcc/testsuite/gfortran.dg/pr77498.f
> >>> index f957b57bb00..a0fc8275a84 100644
> >>> --- a/gcc/testsuite/gfortran.dg/pr77498.f
> >>> +++ b/gcc/testsuite/gfortran.dg/pr77498.f
> >>> @@ -1,5 +1,5 @@
> >>> ! { dg-do compile }
> >>> -! { dg-options "-O2 -ffast-math -fdump-tree-pre" }
> >>> +! { dg-options "-O2 -fno-tree-vectorize -ffast-math -fdump-tree-pre" }
> >>>
> >>> subroutine foo(U,V,R,N,A)
> >>> integer N
> >>>
> >>
> >> --
> >> Richard Biener <rguent...@suse.de>
> >> SUSE Software Solutions Germany GmbH, Maxfeldstrasse 5, 90409 Nuernberg,
> >> Germany; GF: Felix Imendörffer; HRB 36809 (AG Nuernberg)
> >
> >
> >
>
--
BR,
Hongtao
