"Damm, Stephen" <stephen_d...@mentor.com> writes: > I was able to narrow down the cause. In GC 7.2.0 the GMP_LLIMB_MASK is wrong: > > =GCC 4.8.5= > GMP_LIMB_BITS=64 > GMP_LLIMB_MASK=4294967295=0xFFFFFFFF > > =GCC 7.2.0= > GMP_LIMB_BITS=64 > GMP_LLIMB_MASK=1=0x00000001 > > From my understanding this might be a difference in how GCC 7.2.0 handles > unsigned longs vs GCC 4.8.5. It also could be I am missing some vital > compiler flag for GMP.
Can you file a gcc bug? These constants are defined as #define GMP_LIMB_BITS (sizeof(mp_limb_t) * CHAR_BIT) /* 64, you say */ #define GMP_HLIMB_BIT ((mp_limb_t) 1 << (GMP_LIMB_BITS / 2)) #define GMP_LLIMB_MASK (GMP_HLIMB_BIT - 1) I see no reasonable way that can end up defining GMP_LLIMB_MASK as 1. Regards, /Niels -- Niels Möller. PGP-encrypted email is preferred. Keyid 368C6677. Internet email is subject to wholesale government surveillance. _______________________________________________ gmp-bugs mailing list gmp-bugs@gmplib.org https://gmplib.org/mailman/listinfo/gmp-bugs
