Nathan Chancellor <natechancellor@xxxxxxxxx> writes: > 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@xxxxxxxxx> > Link: https://github.com/ClangBuiltLinux/linux/issues/991 > Signed-off-by: Nathan Chancellor <natechancellor@xxxxxxxxx> > --- > > Herbet seems to take lib/mpi patches but there does not seem to be a > formal maintainer so Michael could take it since it is just a powerpc > thing. Oh you mean it's inside: #if (defined(_ARCH_PPC) || defined(_IBMR2)) && W_TYPE_SIZE == 32 I don't mind taking it with Herbet's ack, or he could just merge it. cheers > > lib/mpi/longlong.h | 34 +++++++++++++++++----------------- > 1 file changed, 17 insertions(+), 17 deletions(-) > > diff --git a/lib/mpi/longlong.h b/lib/mpi/longlong.h > index 2dceaca27489..891e1c3549c4 100644 > --- a/lib/mpi/longlong.h > +++ b/lib/mpi/longlong.h > @@ -722,22 +722,22 @@ do { \ > do { \ > if (__builtin_constant_p(bh) && (bh) == 0) \ > __asm__ ("{a%I4|add%I4c} %1,%3,%4\n\t{aze|addze} %0,%2" \ > - : "=r" ((USItype)(sh)), \ > - "=&r" ((USItype)(sl)) \ > + : "=r" (sh), \ > + "=&r" (sl) \ > : "%r" ((USItype)(ah)), \ > "%r" ((USItype)(al)), \ > "rI" ((USItype)(bl))); \ > else if (__builtin_constant_p(bh) && (bh) == ~(USItype) 0) \ > __asm__ ("{a%I4|add%I4c} %1,%3,%4\n\t{ame|addme} %0,%2" \ > - : "=r" ((USItype)(sh)), \ > - "=&r" ((USItype)(sl)) \ > + : "=r" (sh), \ > + "=&r" (sl) \ > : "%r" ((USItype)(ah)), \ > "%r" ((USItype)(al)), \ > "rI" ((USItype)(bl))); \ > else \ > __asm__ ("{a%I5|add%I5c} %1,%4,%5\n\t{ae|adde} %0,%2,%3" \ > - : "=r" ((USItype)(sh)), \ > - "=&r" ((USItype)(sl)) \ > + : "=r" (sh), \ > + "=&r" (sl) \ > : "%r" ((USItype)(ah)), \ > "r" ((USItype)(bh)), \ > "%r" ((USItype)(al)), \ > @@ -747,36 +747,36 @@ do { \ > do { \ > if (__builtin_constant_p(ah) && (ah) == 0) \ > __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{sfze|subfze} %0,%2" \ > - : "=r" ((USItype)(sh)), \ > - "=&r" ((USItype)(sl)) \ > + : "=r" (sh), \ > + "=&r" (sl) \ > : "r" ((USItype)(bh)), \ > "rI" ((USItype)(al)), \ > "r" ((USItype)(bl))); \ > else if (__builtin_constant_p(ah) && (ah) == ~(USItype) 0) \ > __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{sfme|subfme} %0,%2" \ > - : "=r" ((USItype)(sh)), \ > - "=&r" ((USItype)(sl)) \ > + : "=r" (sh), \ > + "=&r" (sl) \ > : "r" ((USItype)(bh)), \ > "rI" ((USItype)(al)), \ > "r" ((USItype)(bl))); \ > else if (__builtin_constant_p(bh) && (bh) == 0) \ > __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{ame|addme} %0,%2" \ > - : "=r" ((USItype)(sh)), \ > - "=&r" ((USItype)(sl)) \ > + : "=r" (sh), \ > + "=&r" (sl) \ > : "r" ((USItype)(ah)), \ > "rI" ((USItype)(al)), \ > "r" ((USItype)(bl))); \ > else if (__builtin_constant_p(bh) && (bh) == ~(USItype) 0) \ > __asm__ ("{sf%I3|subf%I3c} %1,%4,%3\n\t{aze|addze} %0,%2" \ > - : "=r" ((USItype)(sh)), \ > - "=&r" ((USItype)(sl)) \ > + : "=r" (sh), \ > + "=&r" (sl) \ > : "r" ((USItype)(ah)), \ > "rI" ((USItype)(al)), \ > "r" ((USItype)(bl))); \ > else \ > __asm__ ("{sf%I4|subf%I4c} %1,%5,%4\n\t{sfe|subfe} %0,%3,%2" \ > - : "=r" ((USItype)(sh)), \ > - "=&r" ((USItype)(sl)) \ > + : "=r" (sh), \ > + "=&r" (sl) \ > : "r" ((USItype)(ah)), \ > "r" ((USItype)(bh)), \ > "rI" ((USItype)(al)), \ > @@ -787,7 +787,7 @@ do { \ > do { \ > USItype __m0 = (m0), __m1 = (m1); \ > __asm__ ("mulhwu %0,%1,%2" \ > - : "=r" ((USItype) ph) \ > + : "=r" (ph) \ > : "%r" (__m0), \ > "r" (__m1)); \ > (pl) = __m0 * __m1; \ > > base-commit: 8f3d9f354286745c751374f5f1fcafee6b3f3136 > -- > 2.26.0