[linux-next:master 5117/5337] lib/zlib_deflate/../zlib_dfltcc/dfltcc_util.h:114: Error: Unrecognized opcode: `stfle'

[linux-next:master 5117/5337] lib/zlib_deflate/../zlib_dfltcc/dfltcc_util.h:114: 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:   7ddd09fc4b745fb1d8942f95389583e08412e0cd
commit: 1a28157f60da8f60b9021ba0b2f1b1d47854a230 [5117/5337] lib/zlib: add zlib_deflate_dfltcc_enabled() function
config: s390-randconfig-a001-20200103 (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 1a28157f60da8f60b9021ba0b2f1b1d47854a230
        # 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_deflate/../zlib_dfltcc/dfltcc_util.h: Assembler messages:
>> lib/zlib_deflate/../zlib_dfltcc/dfltcc_util.h:114: Error: Unrecognized opcode: `stfle'

vim +114 lib/zlib_deflate/../zlib_dfltcc/dfltcc_util.h

09c70dfa9baf2e Mikhail Zaslonko 2019-12-18  102  
09c70dfa9baf2e Mikhail Zaslonko 2019-12-18  103  static inline int is_dfltcc_enabled(void)
09c70dfa9baf2e Mikhail Zaslonko 2019-12-18  104  {
09c70dfa9baf2e Mikhail Zaslonko 2019-12-18  105      uint64_t facilities[(DFLTCC_FACILITY / 64) + 1];
09c70dfa9baf2e Mikhail Zaslonko 2019-12-18  106      register char r0 __asm__("r0");
09c70dfa9baf2e Mikhail Zaslonko 2019-12-18  107  
7ac8eafa5b48ca Mikhail Zaslonko 2019-12-18  108      /* Check for kernel dfltcc command line parameter */
7ac8eafa5b48ca Mikhail Zaslonko 2019-12-18  109      if (zlib_dfltcc_support == ZLIB_DFLTCC_DISABLED)
7ac8eafa5b48ca Mikhail Zaslonko 2019-12-18  110          return 0;
7ac8eafa5b48ca Mikhail Zaslonko 2019-12-18  111  
09c70dfa9baf2e Mikhail Zaslonko 2019-12-18  112      memset(facilities, 0, sizeof(facilities));
09c70dfa9baf2e Mikhail Zaslonko 2019-12-18  113      r0 = sizeof(facilities) / sizeof(facilities[0]) - 1;
09c70dfa9baf2e Mikhail Zaslonko 2019-12-18 @114      __asm__ volatile("stfle %[facilities]\n"
09c70dfa9baf2e Mikhail Zaslonko 2019-12-18  115                       : [facilities] "=Q" (facilities)
09c70dfa9baf2e Mikhail Zaslonko 2019-12-18  116                       , [r0] "+r" (r0)
09c70dfa9baf2e Mikhail Zaslonko 2019-12-18  117                       :
09c70dfa9baf2e Mikhail Zaslonko 2019-12-18  118                       : "cc");
09c70dfa9baf2e Mikhail Zaslonko 2019-12-18  119      return is_bit_set((const char *)facilities, DFLTCC_FACILITY);
09c70dfa9baf2e Mikhail Zaslonko 2019-12-18  120  }
09c70dfa9baf2e Mikhail Zaslonko 2019-12-18  121  

:::::: The code at line 114 was first introduced by commit
:::::: 09c70dfa9baf2e77aa78293f6ea3ca3e53ea98db lib/zlib: add s390 hardware support for kernel zlib_deflate

:::::: TO: Mikhail Zaslonko <zaslonko@linux.ibm.com>
:::::: CC: Stephen Rothwell <sfr@canb.auug.org.au>

---
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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