The three avx10.2 related test regression are all related to the usage of -mavx10.2 -march=cascadelake, which is unavoidable warning.
I am considering to change -march=cascadelake to a arch with AVX10 in the future to avoid these false alarms. Thx, Haochen > -----Original Message----- > From: haochen.jiang <haoch...@smtp.intel.com> > Sent: Tuesday, August 20, 2024 11:59 PM > To: Hu, Lin1 <lin1...@intel.com>; gcc-regression@gcc.gnu.org; gcc- > patc...@gcc.gnu.org; Jiang, Haochen <haochen.ji...@intel.com> > Subject: [r15-3000 Regression] FAIL: gcc.target/i386/avx10_2-rounding-3.c > (test for excess errors) on Linux/x86_64 > > On Linux/x86_64, > > 3d1b5530ea1d23e26dc5ab70aa4a2e7b9dc19b50 is the first bad commit > commit 3d1b5530ea1d23e26dc5ab70aa4a2e7b9dc19b50 > Author: Hu, Lin1 <lin1...@intel.com> > Date: Mon Aug 19 10:09:03 2024 +0800 > > AVX10.2 ymm rounding: Support vcvt{,u}w2ph and vdivp{s,d,h} intrins > > caused > > FAIL: gcc.target/i386/avx10_2-rounding-3.c (test for excess errors) > > with GCC configured with > > ../../gcc/configure --prefix=/export/users/haochenj/src/gcc- > bisect/master/master/r15-3000/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/avx10_2-rounding-3.c -- > target_board='unix{-m32\ -march=cascadelake}'" > $ cd {build_dir}/gcc && make check > RUNTESTFLAGS="i386.exp=gcc.target/i386/avx10_2-rounding-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.)