Messages in this thread | | | Date | Tue, 5 Apr 2022 03:50:36 +0800 | From | kernel test robot <> | Subject | cc1: warning: result of '-117440512 << 16' requires 44 bits to represent, but 'int' only has 32 bits |
| |
tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 3123109284176b1532874591f7c81f3837bbdc17 commit: e8c07082a810fbb9db303a2b66b66b8d7e588b53 Kbuild: move to -std=gnu11 date: 3 weeks ago config: mips-rb532_defconfig (https://download.01.org/0day-ci/archive/20220405/202204050337.o0LrtuSN-lkp@intel.com/config) compiler: mipsel-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/torvalds/linux.git/commit/?id=e8c07082a810fbb9db303a2b66b66b8d7e588b53 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout e8c07082a810fbb9db303a2b66b66b8d7e588b53 # 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=mips SHELL=/bin/bash
If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp@intel.com>
All warnings (new ones prefixed by >>):
>> cc1: warning: result of '-117440512 << 16' requires 44 bits to represent, but 'int' only has 32 bits [-Wshift-overflow=] arch/mips/pci/pci-rc32434.c: In function 'rc32434_pcibridge_init': arch/mips/pci/pci-rc32434.c:111:22: warning: variable 'dummyread' set but not used [-Wunused-but-set-variable] 111 | unsigned int dummyread, pcicntlval; | ^~~~~~~~~
-- 0-DAY CI Kernel Test Service https://01.org/lkp
| |