Report: gmp-6.1.2 on MacOS 10.15 using GCC and two Clang

[Hans Åberg]

I have compiled gmp-6.1.2 on MacOS 10.15 using the inhouse Apple clang and the MacPorts gcc9 and clang9, with ‘make check’. All tests passed on gcc9, but the two clang had one error each.

% uname -a
Darwin Kernel Version 19.0.0: Wed Sep 25 20:18:50 PDT 2019; root:xnu-6153.11.26~2/RELEASE_X86_64 x86_64 


—— 

% /opt/local/bin/gcc-mp-9 --version
gcc-mp-9 (MacPorts gcc9 9.2.0_1) 9.2.0

Compiler warnings:

../../gmp-6.1.2/printf/obprintf.c:59: warning: ISO C forbids an empty translation unit [-Wpedantic]
   59 | #endif /* HAVE_OBSTACK_VPRINTF */

../../gmp-6.1.2/printf/obvprintf.c:52: warning: ISO C forbids an empty translation unit [-Wpedantic]
   52 | #endif /* HAVE_OBSTACK_VPRINTF */

../../gmp-6.1.2/printf/obprntffuns.c:72: warning: ISO C forbids an empty translation unit [-Wpedantic]
   72 | #endif /* HAVE_OBSTACK_VPRINTF */


% make check passed without errors

——

% /usr/bin/clang --version
Apple clang version 11.0.0 (clang-1100.0.33.8)
Target: x86_64-apple-darwin19.0.0
Thread model: posix
InstalledDir: /Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/bin

Compiler warnings:

libtool: compile:  /usr/bin/clang -DHAVE_CONFIG_H -I. -I../../gmp-6.1.2/mpn -I.. -D__GMP_WITHIN_GMP -I../../gmp-6.1.2 -DOPERATION_toom_interpolate_5pts -O2 -pedantic -fomit-frame-pointer -m64 -mtune=skylake -march=broadwell -c toom_interpolate_5pts.c  -fno-common -DPIC -o .libs/toom_interpolate_5pts.o
toom_interpolate_5pts.c:71:19: warning: expression result unused [-Wunused-value]
  ASSERT_NOCARRY (mpn_divexact_by3 (v2, v2, kk1));    /* v2 <- v2 / 3 */
  ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../gmp-6.1.2/gmp-impl.h:1621:6: note: expanded from macro 'mpn_divexact_by3'
  (3 & mpn_bdiv_dbm1 (dst, src, size, __GMP_CAST (mp_limb_t, GMP_NUMB_MASK / 3)))
   ~ ^
../../gmp-6.1.2/gmp-impl.h:2412:33: note: expanded from macro 'ASSERT_NOCARRY'
#define ASSERT_NOCARRY(expr)   (expr)
                                ^~~~
1 warning generated.


toom_interpolate_8pts.c:164:18: warning: expression result unused [-Wunused-value]
  ASSERT_NOCARRY(mpn_divexact_by3 (r5, r5, 3 * n + 1));
  ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../gmp-6.1.2/gmp-impl.h:1621:6: note: expanded from macro 'mpn_divexact_by3'
  (3 & mpn_bdiv_dbm1 (dst, src, size, __GMP_CAST (mp_limb_t, GMP_NUMB_MASK / 3)))
   ~ ^
../../gmp-6.1.2/gmp-impl.h:2412:33: note: expanded from macro 'ASSERT_NOCARRY'
#define ASSERT_NOCARRY(expr)   (expr)
                                ^~~~

../../gmp-6.1.2/printf/obprintf.c:59:34: warning: ISO C requires a translation unit to contain at least one declaration [-Wempty-translation-unit]
#endif /* HAVE_OBSTACK_VPRINTF */
                                 ^

../../gmp-6.1.2/printf/obvprintf.c:52:34: warning: ISO C requires a translation unit to contain at least one declaration [-Wempty-translation-unit]
#endif /* HAVE_OBSTACK_VPRINTF */
                                 ^

../../gmp-6.1.2/printf/repl-vsnprintf.c:396:30: warning: ISO C requires a translation unit to contain at least one declaration [-Wempty-translation-unit]
#endif /* ! HAVE_VSNPRINTF */
                             ^


% make check errors

../../../gmp-6.1.2/test-driver: line 107: 30266 Segmentation fault: 11  "$@" > $log_file 2>&1
FAIL: t-toom53

——

% /opt/local/bin/clang-mp-9.0 --version
clang version 9.0.0 (tags/RELEASE_900/final)
Target: x86_64-apple-darwin19.0.0
Thread model: posix
InstalledDir: /opt/local/libexec/llvm-9.0/bin

Compiler warnings:

toom_interpolate_5pts.c:71:19: warning: expression result unused [-Wunused-value]
  ASSERT_NOCARRY (mpn_divexact_by3 (v2, v2, kk1));    /* v2 <- v2 / 3 */
  ~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../gmp-6.1.2/gmp-impl.h:1621:6: note: expanded from macro 'mpn_divexact_by3'
  (3 & mpn_bdiv_dbm1 (dst, src, size, __GMP_CAST (mp_limb_t, GMP_NUMB_MASK / 3)))
   ~ ^
../../gmp-6.1.2/gmp-impl.h:2412:33: note: expanded from macro 'ASSERT_NOCARRY'
#define ASSERT_NOCARRY(expr)   (expr)
                                ^~~~


toom_interpolate_8pts.c:164:18: warning: expression result unused [-Wunused-value]
  ASSERT_NOCARRY(mpn_divexact_by3 (r5, r5, 3 * n + 1));
  ~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
../../gmp-6.1.2/gmp-impl.h:1621:6: note: expanded from macro 'mpn_divexact_by3'
  (3 & mpn_bdiv_dbm1 (dst, src, size, __GMP_CAST (mp_limb_t, GMP_NUMB_MASK / 3)))
   ~ ^
../../gmp-6.1.2/gmp-impl.h:2412:33: note: expanded from macro 'ASSERT_NOCARRY'
#define ASSERT_NOCARRY(expr)   (expr)
                                ^~~~


../../gmp-6.1.2/printf/obprintf.c:59:34: warning: ISO C requires a translation unit to contain at least one declaration [-Wempty-translation-unit]
#endif /* HAVE_OBSTACK_VPRINTF */
                                 ^


../../gmp-6.1.2/printf/obvprintf.c:52:34: warning: ISO C requires a translation unit to contain at least one declaration [-Wempty-translation-unit]
#endif /* HAVE_OBSTACK_VPRINTF */
                                 ^


../../gmp-6.1.2/printf/obprntffuns.c:72:34: warning: ISO C requires a translation unit to contain at least one declaration [-Wempty-translation-unit]
#endif /* HAVE_OBSTACK_VPRINTF */
                                 ^


../../gmp-6.1.2/printf/repl-vsnprintf.c:396:30: warning: ISO C requires a translation unit to contain at least one declaration [-Wempty-translation-unit]
#endif /* ! HAVE_VSNPRINTF */
                             ^


% make check error

../../../gmp-6.1.2/test-driver: line 107: 70037 Abort trap: 6           "$@" > $log_file 2>&1
FAIL: t-sqrlo

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