[luto:x86/fixes 21/26] arch/x86/entry/entry_32.S:819: Error: bad register name `%rsp'

[luto:x86/fixes 21/26] arch/x86/entry/entry_32.S:819: Error: bad register name `%rsp'

[kernel test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git x86/fixes
head:   5a71c0b98407b8fc659967e261ce84da00270892
commit: b529690d96d16fa95b3e6f7baed3f303d01e962c [21/26] x86/entry: Convert ret_from_fork to C
config: i386-randconfig-s002-20210302 (attached as .config)
compiler: gcc-9 (Debian 9.3.0-15) 9.3.0
reproduce:
        # apt-get install sparse
        # sparse version: v0.6.3-241-geaceeafa-dirty
        # https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git/commit/?id=b529690d96d16fa95b3e6f7baed3f303d01e962c
        git remote add luto https://git.kernel.org/pub/scm/linux/kernel/git/luto/linux.git
        git fetch --no-tags luto x86/fixes
        git checkout b529690d96d16fa95b3e6f7baed3f303d01e962c
        # save the attached .config to linux build tree
        make W=1 C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' ARCH=i386 

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@intel.com>

All errors (new ones prefixed by >>):

   arch/x86/entry/entry_32.S: Assembler messages:
>> arch/x86/entry/entry_32.S:819: Error: bad register name `%rsp'
   arch/x86/entry/entry_32.S:821: Error: bad register name `%rsp'


vim +819 arch/x86/entry/entry_32.S

   807	
   808	/*
   809	 * A newly forked process directly context switches into this address.
   810	 *
   811	 * eax: prev task we switched from
   812	 * ebx: kernel thread func (NULL for user thread)
   813	 * edi: kernel thread arg
   814	 */
   815	.pushsection .text, "ax"
   816	SYM_CODE_START(asm_ret_from_fork)
   817		movl	%ebx, %edx
   818		movl	%edi, %ecx
 > 819		pushl	%rsp
   820		call	ret_from_fork
   821		addl	$4, %rsp
   822		jmp	.Lsyscall_32_done
   823	SYM_CODE_END(asm_ret_from_fork)
   824	.popsection
   825	

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all(a)lists.01.org

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