tree: https://git.kernel.org/pub/scm/linux/kernel/git/vgupta/arc.git topic-zol-remove head: bc44856c00c323436192ecb07490d6dec95f9cc3 commit: 8edf09c34e4cc21a34c2add480fa86d7dc498ed6 [11/23] ARC: head: elide ZOL, use double load/store config: arc-randconfig-a001-20200429 (attached as .config) compiler: arc-elf-gcc (GCC) 9.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross git checkout 8edf09c34e4cc21a34c2add480fa86d7dc498ed6 # save the attached .config to linux build tree COMPILER_INSTALL_PATH=$HOME/0day GCC_VERSION=9.3.0 make.cross ARCH=arc If you fix the issue, kindly add following tag as appropriate Reported-by: kbuild test robot <lkp@xxxxxxxxx> All errors (new ones prefixed by >>): arch/arc/kernel/head.S: Assembler messages: >> arch/arc/kernel/head.S:99: Error: opcode 'std' not supported for target arc700 vim +/std +99 arch/arc/kernel/head.S 95 96 ; Clear BSS before updating any globals 97 mov r5, __bss_start 98 mov r6, __bss_stop > 99 1: std.ab 0, [r5, 8] 100 brne r5, r6, 1b 101 102 ; Uboot - kernel ABI 103 ; r0 = [0] No uboot interaction, [1] cmdline in r2, [2] DTB in r2 104 ; r1 = magic number (always zero as of now) 105 ; r2 = pointer to uboot provided cmdline or external DTB in mem 106 ; These are handled later in handle_uboot_args() 107 st r0, [@uboot_tag] 108 st r1, [@uboot_magic] 109 st r2, [@uboot_arg] 110 111 ; setup "current" tsk and optionally cache it in dedicated r25 112 mov r9, @init_task 113 SET_CURR_TASK_ON_CPU r9, r0 ; r9 = tsk, r0 = scratch 114 115 ; setup stack (fp, sp) 116 mov fp, 0 117 118 ; tsk->thread_info is really a PAGE, whose bottom hoists stack 119 GET_TSK_STACK_BASE r9, sp ; r9 = tsk, sp = stack base(output) 120 121 j start_kernel ; "C" entry point 122 END(stext) 123 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx
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