tree: https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master head: f2e19fd15bd7cba347ce50be71955f5cd28a6019 commit: b929926f01f2d14635345d22eafcf60feed1085e [11209/13751] sh: define __BIG_ENDIAN for math-emu config: sh-buildonly-randconfig-r005-20211028 (attached as .config) compiler: sh4-linux-gcc (GCC) 11.2.0 reproduce (this is a W=1 build): wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/commi... git remote add linux-next https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git git fetch --no-tags linux-next master git checkout b929926f01f2d14635345d22eafcf60feed1085e # save the attached .config to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=sh SHELL=/bin/bash If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; All warnings (new ones prefixed by >>): In file included from include/math-emu/soft-fp.h:27, from arch/sh/math-emu/math.c:22: 17 | #define __BYTE_ORDER __BIG_ENDIAN | In file included from arch/sh/math-emu/math.c:21: arch/sh/math-emu/sfp-util.h:71: note: this is the location of the previous definition 71 | #define __BYTE_ORDER __LITTLE_ENDIAN | arch/sh/math-emu/math.c:54: warning: "WRITE" redefined 54 | #define WRITE(d,a) ({if(put_user(d, (typeof (d) __user *)a)) return -EFAULT;}) | In file included from arch/sh/math-emu/math.c:10: include/linux/kernel.h:38: note: this is the location of the previous definition 38 | #define WRITE 1 | arch/sh/math-emu/math.c:55: warning: "READ" redefined 55 | #define READ(d,a) ({if(get_user(d, (typeof (d) __user *)a)) return -EFAULT;}) | In file included from arch/sh/math-emu/math.c:10: include/linux/kernel.h:37: note: this is the location of the previous definition 37 | #define READ 0 | In file included from include/math-emu/soft-fp.h:187, from arch/sh/math-emu/math.c:22: arch/sh/math-emu/math.c: In function 'fcmp_gt': arch/sh/math-emu/math.c:69:40: warning: variable 'Fn_c' set but not used [-Wunused-but-set-variable] 69 | FP_DECL_##SZ(Fm); FP_DECL_##SZ(Fn); \ | ^~ include/math-emu/op-common.h:28:14: note: in definition of macro '_FP_DECL' 28 | _FP_I_TYPE X##_c=0, X##_s=0, X##_e=0; \ | ^ arch/sh/math-emu/math.c:69:27: note: in expansion of macro 'FP_DECL_D' 69 | FP_DECL_##SZ(Fm); FP_DECL_##SZ(Fn); \ | ^~~~~~~~ arch/sh/math-emu/math.c:66:34: note: in expansion of macro 'CMP_X' 66 | FP_DECL_EX; if(FPSCR_PR) op(D,x,DRm,DRn); else op(S,x,FRm,FRn); | ^~ arch/sh/math-emu/math.c:76:27: note: in expansion of macro 'BOTH_PRmn' 76 | #define CMP(OP) ({ int r; BOTH_PRmn(OP##_X,r); r; }) | ^~~~~~~~~ arch/sh/math-emu/math.c:81:13: note: in expansion of macro 'CMP' 81 | if (CMP(CMP) > 0) | ^~~ arch/sh/math-emu/math.c:69:22: warning: variable 'Fm_c' set but not used [-Wunused-but-set-variable] 69 | FP_DECL_##SZ(Fm); FP_DECL_##SZ(Fn); \ | ^~ include/math-emu/op-common.h:28:14: note: in definition of macro '_FP_DECL' 28 | _FP_I_TYPE X##_c=0, X##_s=0, X##_e=0; \ | ^ arch/sh/math-emu/math.c:69:9: note: in expansion of macro 'FP_DECL_D' 69 | FP_DECL_##SZ(Fm); FP_DECL_##SZ(Fn); \ | ^~~~~~~~ arch/sh/math-emu/math.c:66:34: note: in expansion of macro 'CMP_X' 66 | FP_DECL_EX; if(FPSCR_PR) op(D,x,DRm,DRn); else op(S,x,FRm,FRn); | ^~ arch/sh/math-emu/math.c:76:27: note: in expansion of macro 'BOTH_PRmn' 76 | #define CMP(OP) ({ int r; BOTH_PRmn(OP##_X,r); r; }) | ^~~~~~~~~ arch/sh/math-emu/math.c:81:13: note: in expansion of macro 'CMP' 81 | if (CMP(CMP) > 0) | ^~~ arch/sh/math-emu/math.c:69:40: warning: variable 'Fn_c' set but not used [-Wunused-but-set-variable] 69 | FP_DECL_##SZ(Fm); FP_DECL_##SZ(Fn); \ | ^~ include/math-emu/op-common.h:28:14: note: in definition of macro '_FP_DECL' 28 | _FP_I_TYPE X##_c=0, X##_s=0, X##_e=0; \ | ^ arch/sh/math-emu/math.c:69:27: note: in expansion of macro 'FP_DECL_S' 69 | FP_DECL_##SZ(Fm); FP_DECL_##SZ(Fn); \ | ^~~~~~~~ arch/sh/math-emu/math.c:66:56: note: in expansion of macro 'CMP_X' 66 | FP_DECL_EX; if(FPSCR_PR) op(D,x,DRm,DRn); else op(S,x,FRm,FRn); | ^~ arch/sh/math-emu/math.c:76:27: note: in expansion of macro 'BOTH_PRmn' 76 | #define CMP(OP) ({ int r; BOTH_PRmn(OP##_X,r); r; }) | ^~~~~~~~~ arch/sh/math-emu/math.c:81:13: note: in expansion of macro 'CMP' 81 | if (CMP(CMP) > 0) | ^~~ arch/sh/math-emu/math.c:69:22: warning: variable 'Fm_c' set but not used [-Wunused-but-set-variable] 69 | FP_DECL_##SZ(Fm); FP_DECL_##SZ(Fn); \ | ^~ include/math-emu/op-common.h:28:14: note: in definition of macro '_FP_DECL' 28 | _FP_I_TYPE X##_c=0, X##_s=0, X##_e=0; \ | ^ arch/sh/math-emu/math.c:69:9: note: in expansion of macro 'FP_DECL_S' 69 | FP_DECL_##SZ(Fm); FP_DECL_##SZ(Fn); \ | ^~~~~~~~ arch/sh/math-emu/math.c:66:56: note: in expansion of macro 'CMP_X' 66 | FP_DECL_EX; if(FPSCR_PR) op(D,x,DRm,DRn); else op(S,x,FRm,FRn); | ^~ arch/sh/math-emu/math.c:76:27: note: in expansion of macro 'BOTH_PRmn' 76 | #define CMP(OP) ({ int r; BOTH_PRmn(OP##_X,r); r; }) | ^~~~~~~~~ arch/sh/math-emu/math.c:81:13: note: in expansion of macro 'CMP' 81 | if (CMP(CMP) > 0) | ^~~ arch/sh/math-emu/math.c: In function 'fcmp_eq': arch/sh/math-emu/math.c:69:40: warning: variable 'Fn_c' set but not used [-Wunused-but-set-variable] 69 | FP_DECL_##SZ(Fm); FP_DECL_##SZ(Fn); \ | ^~ include/math-emu/op-common.h:28:14: note: in definition of macro '_FP_DECL' vim +/__BYTE_ORDER +17 arch/sh/include/asm/sfp-machine.h 15 16 #ifdef __BIG_ENDIAN__ 18 #define __LITTLE_ENDIAN 0 19 #else 20 #define __BYTE_ORDER __LITTLE_ENDIAN 21 #define __BIG_ENDIAN 0 22 #endif 23 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org