* [r14-332 Regression] FAIL: gcc.target/i386/pr89618-2.c scan-tree-dump vect "loop vectorized using 16 byte vectors" on Linux/x86_64
@ 2023-05-01 19:36 haochen.jiang
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From: haochen.jiang @ 2023-05-01 19:36 UTC (permalink / raw)
To: rguenther, gcc-regression, gcc-patches, haochen.jiang
On Linux/x86_64,
24905a4bd1375ccd99c02510b9f9529015a48315 is the first bad commit
commit 24905a4bd1375ccd99c02510b9f9529015a48315
Author: Richard Biener <rguenther@suse.de>
Date: Wed Jan 18 11:04:49 2023 +0100
Adjust costing of emulated vectorized gather/scatter
caused
FAIL: gcc.target/i386/pr88531-2a.c scan-assembler-times mulps 1
FAIL: gcc.target/i386/pr88531-2b.c scan-assembler-times vmulps 1
FAIL: gcc.target/i386/pr88531-2c.c scan-assembler-times vmulps 1
FAIL: gcc.target/i386/pr89618-2.c scan-tree-dump vect "loop vectorized using 16 byte vectors"
with GCC configured with
../../gcc/configure --prefix=/export/users/haochenj/src/gcc-bisect/master/master/r14-332/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="i386.exp=gcc.target/i386/pr88531-2a.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr88531-2a.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr88531-2b.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr88531-2b.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr88531-2c.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr88531-2c.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr89618-2.c --target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr89618-2.c --target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr89618-2.c --target_board='unix{-m64}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/pr89618-2.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)
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2023-05-01 19:36 [r14-332 Regression] FAIL: gcc.target/i386/pr89618-2.c scan-tree-dump vect "loop vectorized using 16 byte vectors" on Linux/x86_64 haochen.jiang
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