linux-kernel - [mark:treewide/gnu99 2/2] arch/sh/include/asm/pgtable.h:39:31: error: left shift of negative value

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Date:   Fri, 14 Jan 2022 06:03:19 +0800
From:   kernel test robot <lkp@...el.com>
To:     Mark Rutland <mark.rutland@....com>
Cc:     kbuild-all@...ts.01.org, linux-kernel@...r.kernel.org
Subject: [mark:treewide/gnu99 2/2] arch/sh/include/asm/pgtable.h:39:31:
 error: 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: sh-randconfig-r026-20220113 (https://download.01.org/0day-ci/archive/20220114/202201140534.ii9mlcnU-lkp@intel.com/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/mark/linux.git/commit/?id=4c56f3c557cbc276326c329e05f64a53398affec
        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=sh SHELL=/bin/bash

If you fix the issue, kindly add following tag as appropriate
Reported-by: kernel test robot <lkp@...el.com>

All errors (new ones prefixed by >>):

   cc1: error: arch/sh/include/mach-hp6xx: No such file or directory [-Werror=missing-include-dirs]
   cc1: error: arch/sh/include/mach-hp6xx: No such file or directory [-Werror=missing-include-dirs]
   In file included from include/linux/pgtable.h:6,
                    from arch/sh/include/asm/io.h:21,
                    from include/linux/io.h:13,
                    from include/linux/irq.h:20,
                    from include/asm-generic/hardirq.h:17,
                    from arch/sh/include/asm/hardirq.h:9,
                    from include/linux/hardirq.h:11,
                    from include/linux/interrupt.h:11,
                    from arch/sh/cchips/hd6446x/hd64461.c:11:
   arch/sh/include/asm/pgtable.h: In function 'neff_sign_extend':
>> arch/sh/include/asm/pgtable.h:39:31: error: left shift of negative value [-Werror=shift-negative-value]
      39 | #define NEFF_MASK       (-1LL << NEFF)
         |                               ^~
   arch/sh/include/asm/pgtable.h:44:53: note: in expansion of macro 'NEFF_MASK'
      44 |         return (extended & NEFF_SIGN) ? (extended | NEFF_MASK) : extended;
         |                                                     ^~~~~~~~~
   arch/sh/cchips/hd6446x/hd64461.c: At top level:
   arch/sh/cchips/hd6446x/hd64461.c:75:12: error: no previous prototype for 'setup_hd64461' [-Werror=missing-prototypes]
      75 | int __init setup_hd64461(void)
         |            ^~~~~~~~~~~~~
   cc1: all warnings being treated as errors


vim +39 arch/sh/include/asm/pgtable.h

^1da177e4c3f41 include/asm-sh/pgtable.h Linus Torvalds 2005-04-16  32  
36bcd39dbca824 include/asm-sh/pgtable.h Paul Mundt     2007-11-10  33  /*
36bcd39dbca824 include/asm-sh/pgtable.h Paul Mundt     2007-11-10  34   * Effective and physical address definitions, to aid with sign
36bcd39dbca824 include/asm-sh/pgtable.h Paul Mundt     2007-11-10  35   * extension.
36bcd39dbca824 include/asm-sh/pgtable.h Paul Mundt     2007-11-10  36   */
36bcd39dbca824 include/asm-sh/pgtable.h Paul Mundt     2007-11-10  37  #define NEFF		32
36bcd39dbca824 include/asm-sh/pgtable.h Paul Mundt     2007-11-10  38  #define	NEFF_SIGN	(1LL << (NEFF - 1))
36bcd39dbca824 include/asm-sh/pgtable.h Paul Mundt     2007-11-10 @39  #define	NEFF_MASK	(-1LL << NEFF)
36bcd39dbca824 include/asm-sh/pgtable.h Paul Mundt     2007-11-10  40  

:::::: The code at line 39 was first introduced by commit
:::::: 36bcd39dbca824daffe16d607ae574b6edc7d31a sh: Split out 29-bit and 32-bit physical mode definitions.

:::::: TO: Paul Mundt <lethal@...ux-sh.org>
:::::: CC: Paul Mundt <lethal@...ux-sh.org>

---
0-DAY CI Kernel Test Service, Intel Corporation
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org