On Linux/x86_64,
c0c39a765b0714aed36fced6fbba452a6619acb0 is the first bad commit
commit c0c39a765b0714aed36fced6fbba452a6619acb0
Author: Jakub Jelinek <[email protected]>
Date: Wed May 13 11:21:02 2020 +0200
Fold single imm use of a FMA if it is a negation [PR95060]
caused
FAIL: gcc.target/i386/l_fma_double_2.c scan-assembler-times vfmadd[123]+sd 48
FAIL: gcc.target/i386/l_fma_double_2.c scan-assembler-times vfmsub[123]+sd 48
FAIL: gcc.target/i386/l_fma_double_2.c scan-assembler-times vfnmadd[123]+sd 16
FAIL: gcc.target/i386/l_fma_double_2.c scan-assembler-times vfnmsub[123]+sd 16
with GCC configured with
../../gcc/configure
--prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r11-350/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/l_fma_double_2.c
--target_board='unix{-m64\ -march=cascadelake}'"
(Please do not reply to this email, for question about this report, contact me
at skpgkp2 at gmail dot com)
