On Linux/x86_64,

896fec24c8ef59b3520f5ded69dcd5bcf643c1f9 is the first bad commit
commit 896fec24c8ef59b3520f5ded69dcd5bcf643c1f9
Author: qing zhao <qing.z...@oracle.com>
Date:   Fri Sep 17 10:33:47 2021 -0700

    testsuite: Fix gcc.target/i386/auto-init-* tests.

caused

FAIL: gcc.target/i386/auto-init-3.c scan-assembler-times fldz 3

with GCC configured with

../../gcc/configure 
--prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r12-3630/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/auto-init-3.c 
--target_board='unix{-m32}'"
$ cd {build_dir}/gcc && make check 
RUNTESTFLAGS="i386.exp=gcc.target/i386/auto-init-3.c --target_board='unix{-m32\ 
-march=cascadelake}'"

(Please do not reply to this email, for question about this report, contact me 
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