[kbuild-all] [mark:treewide/gnu99 2/2] arch/arc/include/asm/disasm.h:32:60: warning: left shift of negative value

tree: https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git treewide/gnu99 head: 4c56f3c557cbc276326c329e05f64a53398affec commit: 4c56f3c557cbc276326c329e05f64a53398affec [2/2] treewide: use -std=gnu99 config: arc-randconfig-r033-20220113 (https://download.01.org/0day-ci/archive/20220114/202201140413.8kgvmUzA-lk...) compiler: arc-elf-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/mark/linux.git/commit/?id... git remote add mark https://git.kernel.org/pub/scm/linux/kernel/git/mark/linux.git git fetch --no-tags mark treewide/gnu99 git checkout 4c56f3c557cbc276326c329e05f64a53398affec # save the config file to linux build tree mkdir build_dir COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.2.0 make.cross O=build_dir ARCH=arc SHELL=/bin/bash arch/arc/kernel/ 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 arch/arc/kernel/disasm.c:13: arch/arc/kernel/disasm.c: In function 'disasm_instr': 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:50:47: note: in expansion of macro 'BITS' 50 | #define FIELD_s25(word) sign_extend(((BITS(word, 0, 3) << 21) | \ | ^~~~ arch/arc/kernel/disasm.c:73:25: note: in expansion of macro 'FIELD_s25' 73 | FIELD_s25(state->words[0]) : | ^~~~~~~~~ 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:51:42: note: in expansion of macro 'BITS' 51 | (BITS(word, 6, 15) << 11) | \ | ^~~~ arch/arc/kernel/disasm.c:73:25: note: in expansion of macro 'FIELD_s25' 73 | FIELD_s25(state->words[0]) : | ^~~~~~~~~ 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:52:42: note: in expansion of macro 'BITS' 52 | (BITS(word, 17, 26) << 1)), 12) | ^~~~ arch/arc/kernel/disasm.c:73:25: note: in expansion of macro 'FIELD_s25' 73 | FIELD_s25(state->words[0]) : | ^~~~~~~~~ 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:48:47: note: in expansion of macro 'BITS' 48 | #define FIELD_s21(word) sign_extend(((BITS(word, 6, 15) << 11) | \ | ^~~~ arch/arc/kernel/disasm.c:74:25: note: in expansion of macro 'FIELD_s21' 74 | FIELD_s21(state->words[0]); | ^~~~~~~~~ 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:49:42: note: in expansion of macro 'BITS' 49 | (BITS(word, 17, 26) << 1)), 12) | ^~~~ arch/arc/kernel/disasm.c:74:25: note: in expansion of macro 'FIELD_s21' 74 | FIELD_s21(state->words[0]); | ^~~~~~~~~ 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:50:47: note: in expansion of macro 'BITS' 50 | #define FIELD_s25(word) sign_extend(((BITS(word, 0, 3) << 21) | \ | ^~~~ arch/arc/kernel/disasm.c:86:34: note: in expansion of macro 'FIELD_s25' 86 | (FIELD_s25(state->words[0]) & ~0x3) : | ^~~~~~~~~ 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:51:42: note: in expansion of macro 'BITS' 51 | (BITS(word, 6, 15) << 11) | \ | ^~~~ arch/arc/kernel/disasm.c:86:34: note: in expansion of macro 'FIELD_s25' 86 | (FIELD_s25(state->words[0]) & ~0x3) : | ^~~~~~~~~ 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:52:42: note: in expansion of macro 'BITS' 52 | (BITS(word, 17, 26) << 1)), 12) | ^~~~ arch/arc/kernel/disasm.c:86:34: note: in expansion of macro 'FIELD_s25' 86 | (FIELD_s25(state->words[0]) & ~0x3) : | ^~~~~~~~~ 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:48:47: note: in expansion of macro 'BITS' 48 | #define FIELD_s21(word) sign_extend(((BITS(word, 6, 15) << 11) | \ | ^~~~ arch/arc/kernel/disasm.c:87:33: note: in expansion of macro 'FIELD_s21' 87 | FIELD_s21(state->words[0]); | ^~~~~~~~~ 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:49:42: note: in expansion of macro 'BITS' 49 | (BITS(word, 17, 26) << 1)), 12) | ^~~~ arch/arc/kernel/disasm.c:87:33: note: in expansion of macro 'FIELD_s21' 87 | FIELD_s21(state->words[0]); | ^~~~~~~~~ 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:46:47: note: in expansion of macro 'BITS' 46 | #define FIELD_s9(word) sign_extend(((BITS(word, 15, 15) << 8) | \ | ^~~~ arch/arc/kernel/disasm.c:92:34: note: in expansion of macro 'FIELD_s9' 92 | fieldA = FIELD_s9(state->words[0]) & ~0x3; | ^~~~~~~~ 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:47:41: note: in expansion of macro 'BITS' 47 | BITS(word, 16, 23)), 9) | ^~~~ arch/arc/kernel/disasm.c:92:34: note: in expansion of macro 'FIELD_s9' 92 | fieldA = FIELD_s9(state->words[0]) & ~0x3; | ^~~~~~~~ 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/kernel/disasm.c:103:29: note: in expansion of macro 'BITS' 103 | state->di = BITS(state->words[0], 11, 11); | ^~~~ 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/kernel/disasm.c:106:28: note: in expansion of macro 'BITS' 106 | state->x = BITS(state->words[0], 6, 6); | ^~~~ 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/kernel/disasm.c:107:29: note: in expansion of macro 'BITS' 107 | state->zz = BITS(state->words[0], 7, 8); | ^~~~ 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/kernel/disasm.c:108:29: note: in expansion of macro 'BITS' 108 | state->aa = BITS(state->words[0], 9, 10); | ^~~~ 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:37:35: note: in expansion of macro 'BITS' 37 | #define FIELD_B(word) ((BITS((word), 12, 14)<<3) | \ | ^~~~ arch/arc/kernel/disasm.c:109:33: note: in expansion of macro 'FIELD_B' 109 | state->wb_reg = FIELD_B(state->words[0]); | ^~~~~~~ 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:38:34: note: in expansion of macro 'BITS' 38 | (BITS((word), 24, 26))) | ^~~~ arch/arc/kernel/disasm.c:109:33: note: in expansion of macro 'FIELD_B' 109 | state->wb_reg = FIELD_B(state->words[0]); | ^~~~~~~ 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:46:47: note: in expansion of macro 'BITS' 46 | #define FIELD_s9(word) sign_extend(((BITS(word, 15, 15) << 8) | \ | ^~~~ arch/arc/kernel/disasm.c:117:31: note: in expansion of macro 'FIELD_s9' 117 | state->src2 = FIELD_s9(state->words[0]); | ^~~~~~~~ 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:47:41: note: in expansion of macro 'BITS' 47 | BITS(word, 16, 23)), 9) | ^~~~ arch/arc/kernel/disasm.c:117:31: note: in expansion of macro 'FIELD_s9' 117 | state->src2 = FIELD_s9(state->words[0]); | ^~~~~~~~ arch/arc/include/asm/disasm.h:32:60: warning: left shift of negative value [-Wshift-negative-value] 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:36:34: note: in expansion of macro 'BITS' 36 | #define FIELD_A(word) (BITS((word), 0, 5)) | ^~~~ arch/arc/kernel/disasm.c:118:31: note: in expansion of macro 'FIELD_A' 118 | state->dest = FIELD_A(state->words[0]); | ^~~~~~~ arch/arc/include/asm/disasm.h:32:60: warning: left shift of negative value [-Wshift-negative-value] 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/kernel/disasm.c:124:29: note: in expansion of macro 'BITS' 124 | state->di = BITS(state->words[0], 5, 5); | ^~~~ arch/arc/include/asm/disasm.h:32:60: warning: left shift of negative value [-Wshift-negative-value] 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/kernel/disasm.c:127:29: note: in expansion of macro 'BITS' 127 | state->aa = BITS(state->words[0], 3, 4); | ^~~~ arch/arc/include/asm/disasm.h:32:60: warning: left shift of negative value [-Wshift-negative-value] 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/kernel/disasm.c:128:29: note: in expansion of macro 'BITS' 128 | state->zz = BITS(state->words[0], 1, 2); | ^~~~ arch/arc/include/asm/disasm.h:32:60: warning: left shift of negative value [-Wshift-negative-value] 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:39:34: note: in expansion of macro 'BITS' 39 | #define FIELD_C(word) (BITS((word), 6, 11)) | ^~~~ arch/arc/kernel/disasm.c:129:31: note: in expansion of macro 'FIELD_C' 129 | state->src1 = FIELD_C(state->words[0]); | ^~~~~~~ arch/arc/include/asm/disasm.h:32:60: warning: left shift of negative value [-Wshift-negative-value] 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:37:35: note: in expansion of macro 'BITS' 37 | #define FIELD_B(word) ((BITS((word), 12, 14)<<3) | \ | ^~~~ arch/arc/kernel/disasm.c:136:33: note: in expansion of macro 'FIELD_B' 136 | state->wb_reg = FIELD_B(state->words[0]); | ^~~~~~~ arch/arc/include/asm/disasm.h:32:60: warning: left shift of negative value [-Wshift-negative-value] 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:38:34: note: in expansion of macro 'BITS' 38 | (BITS((word), 24, 26))) | ^~~~ arch/arc/kernel/disasm.c:136:33: note: in expansion of macro 'FIELD_B' 136 | state->wb_reg = FIELD_B(state->words[0]); | ^~~~~~~ arch/arc/include/asm/disasm.h:32:60: warning: left shift of negative value [-Wshift-negative-value] 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:46:47: note: in expansion of macro 'BITS' 46 | #define FIELD_s9(word) sign_extend(((BITS(word, 15, 15) << 8) | \ | ^~~~ arch/arc/kernel/disasm.c:144:31: note: in expansion of macro 'FIELD_s9' 144 | state->src3 = FIELD_s9(state->words[0]); | ^~~~~~~~ arch/arc/include/asm/disasm.h:32:60: warning: left shift of negative value [-Wshift-negative-value] 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:47:41: note: in expansion of macro 'BITS' 47 | BITS(word, 16, 23)), 9) | ^~~~ arch/arc/kernel/disasm.c:144:31: note: in expansion of macro 'FIELD_s9' 144 | state->src3 = FIELD_s9(state->words[0]); | ^~~~~~~~ arch/arc/include/asm/disasm.h:32:60: warning: left shift of negative value [-Wshift-negative-value] 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:35:34: note: in expansion of macro 'BITS' 35 | #define MINOR_OPCODE(word) (BITS((word), 16, 21)) | ^~~~ arch/arc/kernel/disasm.c:148:29: note: in expansion of macro 'MINOR_OPCODE' 148 | subopcode = MINOR_OPCODE(state->words[0]); | ^~~~~~~~~~~~ arch/arc/include/asm/disasm.h:32:60: warning: left shift of negative value [-Wshift-negative-value] 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/kernel/disasm.c:163:37: note: in expansion of macro 'BITS' 163 | op_format = BITS(state->words[0], 22, 23); | ^~~~ arch/arc/include/asm/disasm.h:32:60: warning: left shift of negative value [-Wshift-negative-value] 32 | #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) | ^~ arch/arc/include/asm/disasm.h:39:34: note: in expansion of macro 'BITS' 39 | #define FIELD_C(word) (BITS((word), 6, 11)) vim +32 arch/arc/include/asm/disasm.h e65ab5a875d9e8 Vineet Gupta 2013-01-30 30 e65ab5a875d9e8 Vineet Gupta 2013-01-30 31 #define IS_BIT(word, n) ((word) & (1<<n)) e65ab5a875d9e8 Vineet Gupta 2013-01-30 @32 #define BITS(word, s, e) (((word) >> (s)) & (~((-2) << ((e) - (s))))) e65ab5a875d9e8 Vineet Gupta 2013-01-30 33 :::::: The code at line 32 was first introduced by commit :::::: e65ab5a875d9e8ad8ff37529c2ae844699fefad1 ARC: disassembly (needed by kprobes/kgdb/unaligned-access-emul) :::::: TO: Vineet Gupta <vgupta(a)synopsys.com&gt; :::::: CC: Vineet Gupta <vgupta(a)synopsys.com&gt; --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org