invalid use of a cast in a inline asm context requiring an l-value #991

nickdesaulniers · 2020-04-13T18:47:53Z

>> lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                   umul_ppmm(prod_high, prod_low, s1_ptr[j], s2_limb);
                   ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   lib/mpi/longlong.h:790:20: note: expanded from macro 'umul_ppmm'
           : "=r" ((USItype) ph) \
                   ~~~~~~~~~~^~
   1 error generated.
--
>> lib/mpi/generic_mpih-mul2.c:36:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                   umul_ppmm(prod_high, prod_low, s1_ptr[j], s2_limb);
                   ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   lib/mpi/longlong.h:790:20: note: expanded from macro 'umul_ppmm'
           : "=r" ((USItype) ph) \
                   ~~~~~~~~~~^~
   1 error generated.
--
>> lib/mpi/generic_mpih-mul3.c:36:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                   umul_ppmm(prod_high, prod_low, s1_ptr[j], s2_limb);
                   ~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   lib/mpi/longlong.h:790:20: note: expanded from macro 'umul_ppmm'
           : "=r" ((USItype) ph) \
                   ~~~~~~~~~~^~
   1 error generated.
--
>> lib/mpi/mpih-div.c:99:16: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                                   sub_ddmmss(n1, n0, n1, n0, d1, d0);
                                   ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
   lib/mpi/longlong.h:750:21: note: expanded from macro 'sub_ddmmss'
                   : "=r" ((USItype)(sh)), \
                           ~~~~~~~~~~^~~
   lib/mpi/mpih-div.c:99:20: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                                   sub_ddmmss(n1, n0, n1, n0, d1, d0);
                                   ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
   lib/mpi/longlong.h:751:20: note: expanded from macro 'sub_ddmmss'
                   "=&r" ((USItype)(sl)) \
                          ~~~~~~~~~~^~~
>> lib/mpi/mpih-div.c:99:16: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                                   sub_ddmmss(n1, n0, n1, n0, d1, d0);
                                   ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
   lib/mpi/longlong.h:757:21: note: expanded from macro 'sub_ddmmss'
                   : "=r" ((USItype)(sh)), \
                           ~~~~~~~~~~^~~
   lib/mpi/mpih-div.c:99:20: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                                   sub_ddmmss(n1, n0, n1, n0, d1, d0);
                                   ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
   lib/mpi/longlong.h:758:20: note: expanded from macro 'sub_ddmmss'
                   "=&r" ((USItype)(sl)) \
                          ~~~~~~~~~~^~~
>> lib/mpi/mpih-div.c:99:16: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                                   sub_ddmmss(n1, n0, n1, n0, d1, d0);
                                   ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
   lib/mpi/longlong.h:764:21: note: expanded from macro 'sub_ddmmss'
                   : "=r" ((USItype)(sh)), \
                           ~~~~~~~~~~^~~
   lib/mpi/mpih-div.c:99:20: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                                   sub_ddmmss(n1, n0, n1, n0, d1, d0);
                                   ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
   lib/mpi/longlong.h:765:20: note: expanded from macro 'sub_ddmmss'
                   "=&r" ((USItype)(sl)) \
                          ~~~~~~~~~~^~~
>> lib/mpi/mpih-div.c:99:16: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                                   sub_ddmmss(n1, n0, n1, n0, d1, d0);
                                   ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
   lib/mpi/longlong.h:771:21: note: expanded from macro 'sub_ddmmss'
                   : "=r" ((USItype)(sh)), \
                           ~~~~~~~~~~^~~
   lib/mpi/mpih-div.c:99:20: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                                   sub_ddmmss(n1, n0, n1, n0, d1, d0);
                                   ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
   lib/mpi/longlong.h:772:20: note: expanded from macro 'sub_ddmmss'
                   "=&r" ((USItype)(sl)) \
                          ~~~~~~~~~~^~~
>> lib/mpi/mpih-div.c:99:16: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                                   sub_ddmmss(n1, n0, n1, n0, d1, d0);
                                   ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
   lib/mpi/longlong.h:778:21: note: expanded from macro 'sub_ddmmss'
                   : "=r" ((USItype)(sh)), \
                           ~~~~~~~~~~^~~
   lib/mpi/mpih-div.c:99:20: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                                   sub_ddmmss(n1, n0, n1, n0, d1, d0);
                                   ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~
   lib/mpi/longlong.h:779:20: note: expanded from macro 'sub_ddmmss'
                   "=&r" ((USItype)(sl)) \
                          ~~~~~~~~~~^~~
   lib/mpi/mpih-div.c:120:18: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                                                   add_ssaaaa(n1, n0, r - d0,
                                                   ~~~~~~~~~~~^~~~~~~~~~~~~~~
   lib/mpi/longlong.h:725:21: note: expanded from macro 'add_ssaaaa'
                   : "=r" ((USItype)(sh)), \
                           ~~~~~~~~~~^~~
   lib/mpi/mpih-div.c:120:22: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                                                   add_ssaaaa(n1, n0, r - d0,
                                                   ~~~~~~~~~~~~~~~^~~~~~~~~~~
   lib/mpi/longlong.h:726:20: note: expanded from macro 'add_ssaaaa'
                   "=&r" ((USItype)(sl)) \
                          ~~~~~~~~~~^~~
   lib/mpi/mpih-div.c:120:18: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                                                   add_ssaaaa(n1, n0, r - d0,
                                                   ~~~~~~~~~~~^~~~~~~~~~~~~~~
   lib/mpi/longlong.h:732:21: note: expanded from macro 'add_ssaaaa'
                   : "=r" ((USItype)(sh)), \
                           ~~~~~~~~~~^~~
   lib/mpi/mpih-div.c:120:22: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                                                   add_ssaaaa(n1, n0, r - d0,
                                                   ~~~~~~~~~~~~~~~^~~~~~~~~~~
   lib/mpi/longlong.h:733:20: note: expanded from macro 'add_ssaaaa'
                   "=&r" ((USItype)(sl)) \
                          ~~~~~~~~~~^~~
   lib/mpi/mpih-div.c:120:18: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                                                   add_ssaaaa(n1, n0, r - d0,
                                                   ~~~~~~~~~~~^~~~~~~~~~~~~~~
   lib/mpi/longlong.h:739:21: note: expanded from macro 'add_ssaaaa'
                   : "=r" ((USItype)(sh)), \
                           ~~~~~~~~~~^~~
   lib/mpi/mpih-div.c:120:22: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                                                   add_ssaaaa(n1, n0, r - d0,
                                                   ~~~~~~~~~~~~~~~^~~~~~~~~~~
   lib/mpi/longlong.h:740:20: note: expanded from macro 'add_ssaaaa'
                   "=&r" ((USItype)(sl)) \
                          ~~~~~~~~~~^~~
   lib/mpi/mpih-div.c:129:16: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                                           umul_ppmm(n1, n0, d0, q);
                                           ~~~~~~~~~~^~~~~~~~~~~~~~
   lib/mpi/longlong.h:790:20: note: expanded from macro 'umul_ppmm'
           : "=r" ((USItype) ph) \
                   ~~~~~~~~~~^~
   lib/mpi/mpih-div.c:137:17: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                                           sub_ddmmss(n1, n0, n1, n0, 0, d0);
                                           ~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~
   lib/mpi/longlong.h:750:21: note: expanded from macro 'sub_ddmmss'
                   : "=r" ((USItype)(sh)), \
                           ~~~~~~~~~~^~~
   lib/mpi/mpih-div.c:137:21: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions
                                           sub_ddmmss(n1, n0, n1, n0, 0, d0);
                                           ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~
   lib/mpi/longlong.h:751:20: note: expanded from macro 'sub_ddmmss'
                   "=&r" ((USItype)(sl)) \
                          ~~~~~~~~~~^~~

we've seen these before, usually requires an update from the libgcc sources. see #605 #885

The text was updated successfully, but these errors were encountered:

nathanchance · 2020-04-13T19:52:21Z

Patch sent: https://lore.kernel.org/lkml/20200413195041.24064-1-natechancellor@gmail.com/

0day reports over and over on an powerpc randconfig with clang: lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions Remove the superfluous casts, which have been done previously for x86 and arm32 in commit dea632c ("lib/mpi: fix build with clang") and commit 7b7c1df ("lib/mpi/longlong.h: fix building with 32-bit x86"). Reported-by: kbuild test robot <lkp@intel.com> Link: ClangBuiltLinux#991 Signed-off-by: Nathan Chancellor <natechancellor@gmail.com>

0day reports over and over on an powerpc randconfig with clang: lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions Remove the superfluous casts, which have been done previously for x86 and arm32 in commit dea632c ("lib/mpi: fix build with clang") and commit 7b7c1df ("lib/mpi/longlong.h: fix building with 32-bit x86"). Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: ClangBuiltLinux#991 Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com

nathanchance · 2020-04-26T01:55:34Z

Patch accepted: https://git.kernel.org/powerpc/c/5990cdee689c6885b27c6d969a3d58b09002b0bc

nathanchance · 2020-04-26T22:32:50Z

Merged into mainline: https://git.kernel.org/linus/5990cdee689c6885b27c6d969a3d58b09002b0bc

[ Upstream commit 5990cde ] 0day reports over and over on an powerpc randconfig with clang: lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions Remove the superfluous casts, which have been done previously for x86 and arm32 in commit dea632c ("lib/mpi: fix build with clang") and commit 7b7c1df ("lib/mpi/longlong.h: fix building with 32-bit x86"). Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: ClangBuiltLinux#991 Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>

[ Upstream commit 5990cde ] 0day reports over and over on an powerpc randconfig with clang: lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions Remove the superfluous casts, which have been done previously for x86 and arm32 in commit dea632c ("lib/mpi: fix build with clang") and commit 7b7c1df ("lib/mpi/longlong.h: fix building with 32-bit x86"). Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: ClangBuiltLinux/linux#991 Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>

[ Upstream commit 5990cdee689c6885b27c6d969a3d58b09002b0bc ] 0day reports over and over on an powerpc randconfig with clang: lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions Remove the superfluous casts, which have been done previously for x86 and arm32 in commit dea632cadd12 ("lib/mpi: fix build with clang") and commit 7b7c1df2883d ("lib/mpi/longlong.h: fix building with 32-bit x86"). Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: ClangBuiltLinux/linux#991 Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>

[ Upstream commit 5990cde ] 0day reports over and over on an powerpc randconfig with clang: lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions Remove the superfluous casts, which have been done previously for x86 and arm32 in commit dea632c ("lib/mpi: fix build with clang") and commit 7b7c1df ("lib/mpi/longlong.h: fix building with 32-bit x86"). Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: ClangBuiltLinux#991 Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>

[ Upstream commit 5990cdee689c6885b27c6d969a3d58b09002b0bc ] 0day reports over and over on an powerpc randconfig with clang: lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions Remove the superfluous casts, which have been done previously for x86 and arm32 in commit dea632cadd12 ("lib/mpi: fix build with clang") and commit 7b7c1df2883d ("lib/mpi/longlong.h: fix building with 32-bit x86"). Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: ClangBuiltLinux/linux#991 Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>

[ Upstream commit 5990cdee689c6885b27c6d969a3d58b09002b0bc ] 0day reports over and over on an powerpc randconfig with clang: lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions Remove the superfluous casts, which have been done previously for x86 and arm32 in commit dea632c ("lib/mpi: fix build with clang") and commit 7b7c1df2883d ("lib/mpi/longlong.h: fix building with 32-bit x86"). Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: ClangBuiltLinux/linux#991 Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>

[ Upstream commit 5990cdee689c6885b27c6d969a3d58b09002b0bc ] 0day reports over and over on an powerpc randconfig with clang: lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions Remove the superfluous casts, which have been done previously for x86 and arm32 in commit dea632cadd12 ("lib/mpi: fix build with clang") and commit 7b7c1df2883d ("lib/mpi/longlong.h: fix building with 32-bit x86"). Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: ClangBuiltLinux/linux#991 Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Change-Id: Ice5b612d5a83fa8b80d9a1807bcbcc3b5ed1b58e

[ Upstream commit 5990cdee689c6885b27c6d969a3d58b09002b0bc ] 0day reports over and over on an powerpc randconfig with clang: lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions Remove the superfluous casts, which have been done previously for x86 and arm32 in commit dea632cadd12 ("lib/mpi: fix build with clang") and commit 7b7c1df2883d ("lib/mpi/longlong.h: fix building with 32-bit x86"). Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: ClangBuiltLinux/linux#991 Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>

[ Upstream commit 5990cdee689c6885b27c6d969a3d58b09002b0bc ] 0day reports over and over on an powerpc randconfig with clang: lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions Remove the superfluous casts, which have been done previously for x86 and arm32 in commit dea632c ("lib/mpi: fix build with clang") and commit 7b7c1df2883d ("lib/mpi/longlong.h: fix building with 32-bit x86"). Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: ClangBuiltLinux/linux#991 Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>

[ Upstream commit 5990cdee689c6885b27c6d969a3d58b09002b0bc ] 0day reports over and over on an powerpc randconfig with clang: lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions Remove the superfluous casts, which have been done previously for x86 and arm32 in commit dea632cadd12 ("lib/mpi: fix build with clang") and commit 7b7c1df2883d ("lib/mpi/longlong.h: fix building with 32-bit x86"). Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: ClangBuiltLinux/linux#991 Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>

[ Upstream commit 5990cdee689c6885b27c6d969a3d58b09002b0bc ] 0day reports over and over on an powerpc randconfig with clang: lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions Remove the superfluous casts, which have been done previously for x86 and arm32 in commit dea632c ("lib/mpi: fix build with clang") and commit 7b7c1df2883d ("lib/mpi/longlong.h: fix building with 32-bit x86"). Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: ClangBuiltLinux/linux#991 Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>

[ Upstream commit 5990cdee689c6885b27c6d969a3d58b09002b0bc ] 0day reports over and over on an powerpc randconfig with clang: lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions Remove the superfluous casts, which have been done previously for x86 and arm32 in commit dea632cadd12 ("lib/mpi: fix build with clang") and commit 7b7c1df2883d ("lib/mpi/longlong.h: fix building with 32-bit x86"). Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: ClangBuiltLinux/linux#991 Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>

[ Upstream commit 5990cdee689c6885b27c6d969a3d58b09002b0bc ] 0day reports over and over on an powerpc randconfig with clang: lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions Remove the superfluous casts, which have been done previously for x86 and arm32 in commit dea632c ("lib/mpi: fix build with clang") and commit 7b7c1df2883d ("lib/mpi/longlong.h: fix building with 32-bit x86"). Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: ClangBuiltLinux/linux#991 Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: John Vincent <git@tensevntysevn.cf> Signed-off-by: John Vincent <git@tenseventyseven.cf>

[ Upstream commit 5990cdee689c6885b27c6d969a3d58b09002b0bc ] 0day reports over and over on an powerpc randconfig with clang: lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions Remove the superfluous casts, which have been done previously for x86 and arm32 in commit dea632cadd12 ("lib/mpi: fix build with clang") and commit 7b7c1df2883d ("lib/mpi/longlong.h: fix building with 32-bit x86"). Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: ClangBuiltLinux/linux#991 Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>

[ Upstream commit 5990cdee689c6885b27c6d969a3d58b09002b0bc ] 0day reports over and over on an powerpc randconfig with clang: lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions Remove the superfluous casts, which have been done previously for x86 and arm32 in commit dea632c ("lib/mpi: fix build with clang") and commit 7b7c1df2883d ("lib/mpi/longlong.h: fix building with 32-bit x86"). Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: ClangBuiltLinux/linux#991 Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>

[ Upstream commit 5990cdee689c6885b27c6d969a3d58b09002b0bc ] 0day reports over and over on an powerpc randconfig with clang: lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions Remove the superfluous casts, which have been done previously for x86 and arm32 in commit dea632cadd12 ("lib/mpi: fix build with clang") and commit 7b7c1df2883d ("lib/mpi/longlong.h: fix building with 32-bit x86"). Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: ClangBuiltLinux/linux#991 Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>

[ Upstream commit 5990cdee689c6885b27c6d969a3d58b09002b0bc ] 0day reports over and over on an powerpc randconfig with clang: lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions Remove the superfluous casts, which have been done previously for x86 and arm32 in commit dea632c ("lib/mpi: fix build with clang") and commit 7b7c1df2883d ("lib/mpi/longlong.h: fix building with 32-bit x86"). Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: ClangBuiltLinux/linux#991 Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org>

[ Upstream commit 5990cdee689c6885b27c6d969a3d58b09002b0bc ] 0day reports over and over on an powerpc randconfig with clang: lib/mpi/generic_mpih-mul1.c:37:13: error: invalid use of a cast in a inline asm context requiring an l-value: remove the cast or build with -fheinous-gnu-extensions Remove the superfluous casts, which have been done previously for x86 and arm32 in commit dea632cadd12 ("lib/mpi: fix build with clang") and commit 7b7c1df2883d ("lib/mpi/longlong.h: fix building with 32-bit x86"). Reported-by: kbuild test robot <lkp@intel.com> Signed-off-by: Nathan Chancellor <natechancellor@gmail.com> Acked-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: Michael Ellerman <mpe@ellerman.id.au> Link: ClangBuiltLinux/linux#991 Link: https://lore.kernel.org/r/20200413195041.24064-1-natechancellor@gmail.com Signed-off-by: Sasha Levin <sashal@kernel.org> Signed-off-by: Lee Jones <lee.jones@linaro.org> Change-Id: Ice5b612d5a83fa8b80d9a1807bcbcc3b5ed1b58e

nickdesaulniers added [ARCH] powerpc This bug impacts ARCH=powerpc [BUG] linux A bug that should be fixed in the mainline kernel. [Reported-by] kbuild test robot Reported-by: kbuild test robot <lkp@intel.com> labels Apr 13, 2020

nathanchance self-assigned this Apr 13, 2020

nathanchance added the [PATCH] Submitted A patch has been submitted for review label Apr 13, 2020

nickdesaulniers mentioned this issue Apr 19, 2020

invalid use of a cast in a inline asm context requiring an l-value #885

Closed

nathanchance added [PATCH] Accepted A submitted patch has been accepted upstream and removed [PATCH] Submitted A patch has been submitted for review labels Apr 26, 2020

nathanchance closed this as completed Apr 26, 2020

nathanchance added [FIXED][LINUX] 5.7 This bug was fixed in Linux 5.7 and removed [PATCH] Accepted A submitted patch has been accepted upstream labels Apr 26, 2020

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invalid use of a cast in a inline asm context requiring an l-value #991

invalid use of a cast in a inline asm context requiring an l-value #991

nickdesaulniers commented Apr 13, 2020

nathanchance commented Apr 13, 2020

nathanchance commented Apr 26, 2020

nathanchance commented Apr 26, 2020

invalid use of a cast in a inline asm context requiring an l-value #991

invalid use of a cast in a inline asm context requiring an l-value #991

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nickdesaulniers commented Apr 13, 2020

nathanchance commented Apr 13, 2020

nathanchance commented Apr 26, 2020

nathanchance commented Apr 26, 2020