On Linux/x86_64,
f6859fb621179ec9bf5631eb8902619ab8d4467b is the first bad commit
commit f6859fb621179ec9bf5631eb8902619ab8d4467b
Author: Jan Hubicka <hubi...@ucw.cz>
Date: Sat Apr 19 18:51:27 2025 +0200
Add tables for SSE fp conversion costs
caused
FAIL: gcc.target/i386/avx512fp16-trunc-extendvnhf.c scan-assembler-times
vcvtpd2phx[ \\t]+[^{\n]*[^\n\r]*%xmm[0-9]+(?:\n|[ \\t]+#) 1
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r16-39/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/avx512fp16-trunc-extendvnhf.c
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check
RUNTESTFLAGS="i386.exp=gcc.target/i386/avx512fp16-trunc-extendvnhf.c
--target_board='unix{-m64}'"
(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.)
