linux-kernel - s390: {standard input}:11: Error: Unrecognized opcode: `pushq'

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Date:   Tue, 26 Oct 2021 23:02:24 +0530
From:   Naresh Kamboju <naresh.kamboju@...aro.org>
To:     linux-s390@...r.kernel.org,
        open list <linux-kernel@...r.kernel.org>,
        Linux-Next Mailing List <linux-next@...r.kernel.org>
Cc:     Alexander Gordeev <agordeev@...ux.ibm.com>,
        Vasily Gorbik <gor@...ux.ibm.com>,
        Heiko Carstens <hca@...ux.ibm.com>,
        Christian Borntraeger <borntraeger@...ibm.com>,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: s390: {standard input}:11: Error: Unrecognized opcode: `pushq'

[Please ignore this email if it is already reported ]

Regression found on s390 gcc-8/9/10 and gcc-11 built with defconfig
Following build warnings / errors reported on linux next 20211025.

metadata:
    git_describe: next-20211025
    git_repo: https://gitlab.com/Linaro/lkft/mirrors/next/linux-next
    git_short_log: 9ae1fbdeabd3 (\"Add linux-next specific files for 20211025\")
    target_arch: s390
    toolchain: gcc-10

build error :
--------------
<stdin>:1559:2: warning: #warning syscall futex_waitv not implemented [-Wcpp]
{standard input}: Assembler messages:
{standard input}:11: Error: Unrecognized opcode: `pushq'
{standard input}:12: Error: Unrecognized opcode: `movq'
{standard input}:13: Error: Unrecognized opcode: `pushq'
{standard input}:14: Error: Unrecognized opcode: `movq'
{standard input}:15: Error: Unrecognized opcode: `call'
{standard input}:16: Error: Unrecognized opcode: `popq'
{standard input}:17: Error: Unrecognized opcode: `leave'
{standard input}:18: Error: Unrecognized opcode: `ret'
make[3]: *** [/builds/linux/scripts/Makefile.build:288:
samples/ftrace/ftrace-direct-multi.o] Error 1
make[3]: Target '__build' not remade because of errors.
make[2]: *** [/builds/linux/scripts/Makefile.build:571: samples/ftrace] Error 2


Reported-by: Linux Kernel Functional Testing <lkft@...aro.org>

build link:
-----------
https://builds.tuxbuild.com/1zzgG8V6qSBH9457ca0kOcQR756/build.log

build config:
-------------
https://builds.tuxbuild.com/1zzgG8V6qSBH9457ca0kOcQR756/config

# To install tuxmake on your system globally
# sudo pip3 install -U tuxmake
tuxmake --runtime podman --target-arch s390 --toolchain gcc-10
--kconfig defconfig

--
Linaro LKFT
https://lkft.linaro.org