7ad5be5d76
Changes between GMP version 6.0.* and 6.1.0 BUGS FIXED * The public function mpn_com is now correctly declared in gmp.h. * Healed possible failures of mpn_sec_sqr for non-cryptographic sizes for some obsolete CPUs. * The option --disable-assembly now disables all inlined asm. * Fixed bug affecting mini-gmp's bitwise functions mpz_setbit, mpz_clrbit, and mpz_combit. * Various problems related to precision for mpf have been fixed. * Fixed ABI incompatible stack alignment in calls from assembly code. * Fixed PIC bug in popcount affecting Intel processors using the 32-bit ABI. SPEEDUPS * Speedup for Intel Broadwell and Skylake though assembly code making use of new ADX instructions. * Square root is now faster when the remainder is not needed. Also the speed to compute the k-th root improved, for small sizes. * Improved arm64 support. FEATURES * New C++ functions gcd and lcm for mpz_class. * New public mpn functions mpn_divexact_1, mpn_zero_p, and mpn_cnd_swap. * New public mpq_cmp_z function, to efficiently compare rationals with integers. * Support for Darwin in all x86 code, thereby enabling fat builds on Darwin. * Support for more 32-bit arm processors. * Support for compilation with clang/llvm on more platforms. Caution: GMP triggers mis-compilation bugs in clang for many platforms, such as arm, x86 (32-bit and 64-bit), powerpc, mips. * Support for AVX-less modern x86 CPUs. (Such support might be missing either because the CPU vendor chose to disable AVX, or because the running kernel lacks AVX context switch support.) * Stack usage trimmed; we believe 512 KiB is now sufficient for any GMP call, irrespective of operand size. * Support for NetBSD under Xen; we switch off AVX unconditionally under NetBSD since a bug in NetBSD makes AVX fail under Xen. MISC * We now use manufacturers' code names for x86 CPUs, e.g., "haswell" instead of names derived from the commercial brands. * Small improvements and better coverage for the test suite. * The various FreeBSD problems listed for 6.0.0 affect this release too. * Tuned values for FFT multiplications are provided for larger number on many platforms. |
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