* [r14-2117 Regression] FAIL: gcc.dg/vect/slp-46.c scan-tree-dump-times vect "vectorizing stmts using SLP" 4 on Linux/x86_64
@ 2023-06-27 22:29 haochen.jiang
2023-06-28 6:54 ` Richard Biener
0 siblings, 1 reply; 2+ messages in thread
From: haochen.jiang @ 2023-06-27 22:29 UTC (permalink / raw)
To: rguenther, gcc-regression, gcc-patches, haochen.jiang
On Linux/x86_64,
dd86a5a69cbda40cf76388a65d3317c91cb2b501 is the first bad commit
commit dd86a5a69cbda40cf76388a65d3317c91cb2b501
Author: Richard Biener <rguenther@suse.de>
Date: Thu Jun 22 11:40:46 2023 +0200
tree-optimization/96208 - SLP of non-grouped loads
caused
FAIL: gcc.dg/vect/slp-46.c -flto -ffat-lto-objects scan-tree-dump-times vect "vectorizing stmts using SLP" 4
FAIL: gcc.dg/vect/slp-46.c scan-tree-dump-times vect "vectorizing stmts using SLP" 4
with GCC configured with
../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-2117/usr --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld --with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl --enable-libmpx x86_64-linux --disable-bootstrap
To reproduce:
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/slp-46.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/slp-46.c --target_board='unix{-m64\ -march=cascadelake}'"
(Please do not reply to this email, for question about this report, contact me at haochen dot jiang at intel.com)
^ permalink raw reply [flat|nested] 2+ messages in thread
* Re: [r14-2117 Regression] FAIL: gcc.dg/vect/slp-46.c scan-tree-dump-times vect "vectorizing stmts using SLP" 4 on Linux/x86_64
2023-06-27 22:29 [r14-2117 Regression] FAIL: gcc.dg/vect/slp-46.c scan-tree-dump-times vect "vectorizing stmts using SLP" 4 on Linux/x86_64 haochen.jiang
@ 2023-06-28 6:54 ` Richard Biener
0 siblings, 0 replies; 2+ messages in thread
From: Richard Biener @ 2023-06-28 6:54 UTC (permalink / raw)
To: gcc-patches; +Cc: haochen.jiang
On Wed, 28 Jun 2023, haochen.jiang wrote:
> On Linux/x86_64,
>
> dd86a5a69cbda40cf76388a65d3317c91cb2b501 is the first bad commit
> commit dd86a5a69cbda40cf76388a65d3317c91cb2b501
> Author: Richard Biener <rguenther@suse.de>
> Date: Thu Jun 22 11:40:46 2023 +0200
>
> tree-optimization/96208 - SLP of non-grouped loads
>
> caused
>
> FAIL: gcc.dg/vect/slp-46.c -flto -ffat-lto-objects scan-tree-dump-times vect "vectorizing stmts using SLP" 4
> FAIL: gcc.dg/vect/slp-46.c scan-tree-dump-times vect "vectorizing stmts using SLP" 4
>
> with GCC configured with
>
> ../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-2117/usr --enable-clocale=gnu --with-system-zlib --with-demangler-in-ld --with-fpmath=sse --enable-languages=c,c++,fortran --enable-cet --without-isl --enable-libmpx x86_64-linux --disable-bootstrap
>
> To reproduce:
>
> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/slp-46.c --target_board='unix{-m32\ -march=cascadelake}'"
> $ cd {build_dir}/gcc && make check RUNTESTFLAGS="vect.exp=gcc.dg/vect/slp-46.c --target_board='unix{-m64\ -march=cascadelake}'"
>
> (Please do not reply to this email, for question about this report, contact me at haochen dot jiang at intel.com)
I have opened PR110445 for the missed optimization.
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2023-06-27 22:29 [r14-2117 Regression] FAIL: gcc.dg/vect/slp-46.c scan-tree-dump-times vect "vectorizing stmts using SLP" 4 on Linux/x86_64 haochen.jiang
2023-06-28 6:54 ` Richard Biener
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