From: kernel test robot <lkp@intel.com>
To: Fangrui Song <maskray@google.com>
Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev,
Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Nathan Chancellor <natechancellor@gmail.com>,
Nick Desaulniers <ndesaulniers@google.com>,
Masahiro Yamada <masahiroy@kernel.org>
Subject: [stable:linux-4.19.y 2317/9999] lib/mpi/generic_mpih-mul2.c:49:24: error: invalid use of a cast in a inline asm context requiring an lvalue: remove the cast or build with -fheinous-gnu-extensions
Date: Mon, 31 Jul 2023 11:56:56 +0800 [thread overview]
Message-ID: <202307311111.jPEdYIJR-lkp@intel.com> (raw)
Hi Fangrui,
First bad commit (maybe != root cause):
tree: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux-stable.git linux-4.19.y
head: 767049cead76cf699707290d5aeefb3e4d0d5b43
commit: 69c122751164c3c343eea205fd5c3e1d5132f967 [2317/9999] Makefile: Fix GCC_TOOLCHAIN_DIR prefix for Clang cross compilation
config: mips-randconfig-r036-20230731 (https://download.01.org/0day-ci/archive/20230731/202307311111.jPEdYIJR-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce: (https://download.01.org/0day-ci/archive/20230731/202307311111.jPEdYIJR-lkp@intel.com/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202307311111.jPEdYIJR-lkp@intel.com/
All error/warnings (new ones prefixed by >>):
>> drivers/net/netdevsim/netdev.c:167:35: warning: unused variable 'nsim_switchdev_ops' [-Wunused-const-variable]
167 | static const struct switchdev_ops nsim_switchdev_ops = {
| ^
1 warning generated.
--
>> lib/mpi/generic_mpih-mul2.c:49:24: error: invalid use of a cast in a inline asm context requiring an lvalue: remove the cast or build with -fheinous-gnu-extensions
49 | umul_ppmm(prod_high, prod_low, s1_ptr[j], s2_limb);
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/mpi/longlong.h:652:20: note: expanded from macro 'umul_ppmm'
652 | : "=l" ((USItype)(w0)), \
| ~~~~~~~~~~^~~
>> lib/mpi/generic_mpih-mul2.c:49:3: error: invalid output constraint '=h' in asm
49 | umul_ppmm(prod_high, prod_low, s1_ptr[j], s2_limb);
| ^
lib/mpi/longlong.h:653:7: note: expanded from macro 'umul_ppmm'
653 | "=h" ((USItype)(w1)) \
| ^
2 errors generated.
--
lib/mpi/generic_mpih-mul3.c:49:24: error: invalid use of a cast in a inline asm context requiring an lvalue: remove the cast or build with -fheinous-gnu-extensions
49 | umul_ppmm(prod_high, prod_low, s1_ptr[j], s2_limb);
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/mpi/longlong.h:652:20: note: expanded from macro 'umul_ppmm'
652 | : "=l" ((USItype)(w0)), \
| ~~~~~~~~~~^~~
>> lib/mpi/generic_mpih-mul3.c:49:3: error: invalid output constraint '=h' in asm
49 | umul_ppmm(prod_high, prod_low, s1_ptr[j], s2_limb);
| ^
lib/mpi/longlong.h:653:7: note: expanded from macro 'umul_ppmm'
653 | "=h" ((USItype)(w1)) \
| ^
2 errors generated.
--
>> lib/mpi/mpih-div.c:142:20: error: invalid use of a cast in a inline asm context requiring an lvalue: remove the cast or build with -fheinous-gnu-extensions
142 | umul_ppmm(n1, n0, d0, q);
| ~~~~~~~~~~~~~~^~~~~~~~~~
lib/mpi/longlong.h:652:20: note: expanded from macro 'umul_ppmm'
652 | : "=l" ((USItype)(w0)), \
| ~~~~~~~~~~^~~
>> lib/mpi/mpih-div.c:142:6: error: invalid output constraint '=h' in asm
142 | umul_ppmm(n1, n0, d0, q);
| ^
lib/mpi/longlong.h:653:7: note: expanded from macro 'umul_ppmm'
653 | "=h" ((USItype)(w1)) \
| ^
lib/mpi/mpih-div.c:205:20: error: invalid use of a cast in a inline asm context requiring an lvalue: remove the cast or build with -fheinous-gnu-extensions
205 | umul_ppmm(n1, n0, d1, q);
| ~~~~~~~~~~~~~~^~~~~~~~~~
lib/mpi/longlong.h:652:20: note: expanded from macro 'umul_ppmm'
652 | : "=l" ((USItype)(w0)), \
| ~~~~~~~~~~^~~
lib/mpi/mpih-div.c:205:6: error: invalid output constraint '=h' in asm
205 | umul_ppmm(n1, n0, d1, q);
| ^
lib/mpi/longlong.h:653:7: note: expanded from macro 'umul_ppmm'
653 | "=h" ((USItype)(w1)) \
| ^
4 errors generated.
--
>> lib/mpi/generic_mpih-mul1.c:50:24: error: invalid use of a cast in a inline asm context requiring an lvalue: remove the cast or build with -fheinous-gnu-extensions
50 | umul_ppmm(prod_high, prod_low, s1_ptr[j], s2_limb);
| ~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
lib/mpi/longlong.h:652:20: note: expanded from macro 'umul_ppmm'
652 | : "=l" ((USItype)(w0)), \
| ~~~~~~~~~~^~~
>> lib/mpi/generic_mpih-mul1.c:50:3: error: invalid output constraint '=h' in asm
50 | umul_ppmm(prod_high, prod_low, s1_ptr[j], s2_limb);
| ^
lib/mpi/longlong.h:653:7: note: expanded from macro 'umul_ppmm'
653 | "=h" ((USItype)(w1)) \
| ^
2 errors generated.
vim +49 lib/mpi/generic_mpih-mul2.c
cdec9cb5167ab1 Dmitry Kasatkin 2011-08-31 31
cdec9cb5167ab1 Dmitry Kasatkin 2011-08-31 32 mpi_limb_t
cdec9cb5167ab1 Dmitry Kasatkin 2011-08-31 33 mpihelp_addmul_1(mpi_ptr_t res_ptr, mpi_ptr_t s1_ptr,
cdec9cb5167ab1 Dmitry Kasatkin 2011-08-31 34 mpi_size_t s1_size, mpi_limb_t s2_limb)
cdec9cb5167ab1 Dmitry Kasatkin 2011-08-31 35 {
cdec9cb5167ab1 Dmitry Kasatkin 2011-08-31 36 mpi_limb_t cy_limb;
cdec9cb5167ab1 Dmitry Kasatkin 2011-08-31 37 mpi_size_t j;
cdec9cb5167ab1 Dmitry Kasatkin 2011-08-31 38 mpi_limb_t prod_high, prod_low;
cdec9cb5167ab1 Dmitry Kasatkin 2011-08-31 39 mpi_limb_t x;
cdec9cb5167ab1 Dmitry Kasatkin 2011-08-31 40
cdec9cb5167ab1 Dmitry Kasatkin 2011-08-31 41 /* The loop counter and index J goes from -SIZE to -1. This way
cdec9cb5167ab1 Dmitry Kasatkin 2011-08-31 42 * the loop becomes faster. */
cdec9cb5167ab1 Dmitry Kasatkin 2011-08-31 43 j = -s1_size;
cdec9cb5167ab1 Dmitry Kasatkin 2011-08-31 44 res_ptr -= j;
cdec9cb5167ab1 Dmitry Kasatkin 2011-08-31 45 s1_ptr -= j;
cdec9cb5167ab1 Dmitry Kasatkin 2011-08-31 46
cdec9cb5167ab1 Dmitry Kasatkin 2011-08-31 47 cy_limb = 0;
cdec9cb5167ab1 Dmitry Kasatkin 2011-08-31 48 do {
cdec9cb5167ab1 Dmitry Kasatkin 2011-08-31 @49 umul_ppmm(prod_high, prod_low, s1_ptr[j], s2_limb);
:::::: The code at line 49 was first introduced by commit
:::::: cdec9cb5167ab1113ba9c58e395f664d9d3f9acb crypto: GnuPG based MPI lib - source files (part 1)
:::::: TO: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
:::::: CC: Dmitry Kasatkin <dmitry.kasatkin@intel.com>
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
next reply other threads:[~2023-07-31 3:57 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-31 3:56 kernel test robot [this message]
2023-08-01 20:15 ` [stable:linux-4.19.y 2317/9999] lib/mpi/generic_mpih-mul2.c:49:24: error: invalid use of a cast in a inline asm context requiring an lvalue: remove the cast or build with -fheinous-gnu-extensions Nick Desaulniers
2023-08-01 20:26 ` Nathan Chancellor
2023-08-16 16:16 ` Greg Kroah-Hartman
2023-08-01 20:27 ` Florian Fainelli
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