Some of the NetBSD contributed tests are gated behind the __HAVE_LONG_DOUBLE flag. This flag seems to be defined only for platforms whose long double is larger than their double. I could not find this explicitly documented anywhere, but it is implied by the definitions in NetBSD's sys/arch/${arch}/include/math.h headers, and the following assertion from the UBSAN code: #ifdef __HAVE_LONG_DOUBLE long double LD; ASSERT(sizeof(LD) > sizeof(uint64_t)); #endif RISC-V has 128-bit long doubles, so enable the tests on this platform, and update the comments to better explain the purpose of this flag. Reviewed by: ngie MFC after: 1 week Differential Revision: https://reviews.freebsd.org/D25419 |
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