On Linux/x86_64,
b1f9fbb6da1a3ced57c3668cecc9f9449e1b237e is the first bad commit
commit b1f9fbb6da1a3ced57c3668cecc9f9449e1b237e
Author: Haochen Jiang <[email protected]>
Date: Mon Sep 2 10:24:29 2024 +0800
i386: Auto vectorize sdot_prod, usdot_prod, udot_prod with AVX10.2
instructions
caused
FAIL: gcc.target/i386/vnniint16-auto-vectorize-3.c (test for excess errors)
FAIL: gcc.target/i386/vnniint8-auto-vectorize-3.c (test for excess errors)
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r15-3352/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/vnniint16-auto-vectorize-3.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/vnniint16-auto-vectorize-3.c
--target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/vnniint8-auto-vectorize-3.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/vnniint8-auto-vectorize-3.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.)
(If you met problems with cascadelake related, disabling AVX512F in command
line might save that.)
(However, please make sure that there is no potential problems with AVX512.)
