[linux-next:master 2516/4050] lib/zlib_dfltcc/dfltcc_util.h:109: Error: Unrecognized opcode: `stfle'

[linux-next:master 2516/4050] lib/zlib_dfltcc/dfltcc_util.h:109: Error: Unrecognized opcode: `stfle'

[kbuild test robot]

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tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   fca4fe890ea0352f7e9e4bf33ffed287946ff59e
commit: a3b396f93d16954b6e5c5e8e8f5ebbc27f8c30cc [2516/4050] lib/zlib: add s390 hardware support for kernel zlib_deflate
config: s390-randconfig-a001-20191217 (attached as .config)
compiler: s390-linux-gcc (GCC) 7.5.0
reproduce:
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        git checkout a3b396f93d16954b6e5c5e8e8f5ebbc27f8c30cc
        # save the attached .config to linux build tree
        GCC_VERSION=7.5.0 make.cross ARCH=s390 

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

All errors (new ones prefixed by >>):

   lib/zlib_dfltcc/dfltcc_util.h: Assembler messages:
>> lib/zlib_dfltcc/dfltcc_util.h:109: Error: Unrecognized opcode: `stfle'

vim +109 lib/zlib_dfltcc/dfltcc_util.h

   101	
   102	static inline int is_dfltcc_enabled(void)
   103	{
   104	    uint64_t facilities[(DFLTCC_FACILITY / 64) + 1];
   105	    register char r0 __asm__("r0");
   106	
   107	    memset(facilities, 0, sizeof(facilities));
   108	    r0 = sizeof(facilities) / sizeof(facilities[0]) - 1;
 > 109	    __asm__ volatile("stfle %[facilities]\n"
   110	                     : [facilities] "=Q" (facilities)
   111	                     , [r0] "+r" (r0)
   112	                     :
   113	                     : "cc");
   114	    return is_bit_set((const char *)facilities, DFLTCC_FACILITY);
   115	}
   116	

---
0-DAY kernel test infrastructure                 Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation

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