On Linux/x86_64,
88d16194d0c8a6bdc2896c8944bfbf3e6038c9d2 is the first bad commit
commit 88d16194d0c8a6bdc2896c8944bfbf3e6038c9d2
Author: Jeff Law <j...@ventanamicro.com>
Date: Mon Jul 22 08:45:10 2024 -0600
[NFC][PR rtl-optimization/115877] Avoid setting irrelevant bit groups as
live in ext-dce
caused
FAIL: c-c++-common/dfp/convert-bfp-10.c execution test
FAIL: c-c++-common/dfp/convert-bfp-10.c -std=c++14 execution test
FAIL: c-c++-common/dfp/convert-bfp-10.c -std=c++17 execution test
FAIL: c-c++-common/dfp/convert-bfp-10.c -std=c++20 execution test
FAIL: c-c++-common/dfp/convert-bfp-10.c -std=c++98 execution test
FAIL: c-c++-common/dfp/convert-bfp-6.c execution test
FAIL: c-c++-common/dfp/convert-bfp-6.c -std=gnu++14 execution test
FAIL: c-c++-common/dfp/convert-bfp-6.c -std=gnu++17 execution test
FAIL: c-c++-common/dfp/convert-bfp-6.c -std=gnu++20 execution test
FAIL: c-c++-common/dfp/convert-bfp-6.c -std=gnu++98 execution test
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r15-2196/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="dfp.exp=c-c++-common/dfp/convert-bfp-10.c
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dfp.exp=c-c++-common/dfp/convert-bfp-10.c
--target_board='unix{-m32\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dfp.exp=c-c++-common/dfp/convert-bfp-6.c
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="dfp.exp=c-c++-common/dfp/convert-bfp-6.c
--target_board='unix{-m32\ -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.)
