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From: "sunil.k.pandey" <skpandey@sc.intel.com>
To: gcc-patches@gcc.gnu.org, gcc-regression@gcc.gnu.org,
	roger@nextmovesoftware.com
Subject: [r12-4231 Regression] FAIL: gcc.target/i386/sse2-mmx-psubsb-2.c scan-assembler-times movl[ \\t]+\\$-128, 1 on Linux/x86_64
Date: Thu, 07 Oct 2021 12:41:30 -0700	[thread overview]
Message-ID: <20211007194130.5DAB4286470F@gskx-2.sc.intel.com> (raw)

On Linux/x86_64,

555fa3545efe23393ff21fe0928aa3942e1b90ed is the first bad commit
commit 555fa3545efe23393ff21fe0928aa3942e1b90ed
Author: Roger Sayle <roger@nextmovesoftware.com>
Date:   Thu Oct 7 15:42:09 2021 +0100

    Introduce smul_highpart and umul_highpart RTX for high-part multiplications

caused

FAIL: gcc.target/i386/sse2-mmx-paddsb-2.c scan-assembler-times movl[ \\t]+\\$-128, 1
FAIL: gcc.target/i386/sse2-mmx-paddusb-2.c scan-assembler-times movl[ \\t]+\\$-1, 1
FAIL: gcc.target/i386/sse2-mmx-psubsb-2.c scan-assembler-times movl[ \\t]+\\$-128, 1

with GCC configured with

../../gcc/configure --prefix=/local/skpandey/gccwork/toolwork/gcc-bisect-master/master/r12-4231/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/sse2-mmx-paddsb-2.c --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/sse2-mmx-paddusb-2.c --target_board='unix{-m64\ -march=cascadelake}'"
$ cd {build_dir}/gcc && make check RUNTESTFLAGS="i386.exp=gcc.target/i386/sse2-mmx-psubsb-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)


                 reply	other threads:[~2021-10-07 19:41 UTC|newest]

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