On Linux/x86_64,
9a76db24e044c8058497051a652cca4228cbc8e9 is the first bad commit
commit 9a76db24e044c8058497051a652cca4228cbc8e9
Author: Roger Sayle <[email protected]>
Date: Thu Jun 20 16:30:15 2024 +0100
i386: Allow all register_operand SUBREGs in x86_ternlog_idx.
caused
FAIL: gcc.target/i386/pr89984-2.c scan-assembler-not vmovaps
with GCC configured with
../../gcc/configure
--prefix=/export/users/haochenj/src/gcc-bisect/master/master/r15-1502/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/pr89984-2.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.)