2012-09-26 Ulrich Drepper <drepper@gmail.com> Optimize bulk mode for normal_distribution<double> for SSE3. * configure.host: Define cpu_opt_bits_random. * configure.ac: Substitute CPU_OPT_BITS_RANDOM. * include/Makefile.am (bits_headers): Add ${bits_host_headers}. (bits_host_headers): Define. * include/bits/random.tcc: Move __details::_Power_of_2 to... * include/bits/random.h: ...here. * include/std/random: Include <bits/opt_random.h>. * config/cpu/i486/opt/bits/opt_random.h: New file. * config/cpu/generic/opt/bits/opt_random.h: New file. * configure: Regenerated. * Makefile.in: Regenerated. * aclocal.m4: Regenerated. * doc/Makefile.in: Regenerated. * include/Makefile.in: Regenerated. * libsupc++/Makefile.in: Regenerated. * po/Makefile.in: Regenerated. * python/Makefile.in: Regenerated. * src/Makefile.in: Regenerated. * src/c++11/Makefile.in: Regenerated. * src/c++98/Makefile.in: Regenerated. * testsuite/Makefile.in: Regenerated. * config/cpu/generic/opt/ext/opt_random.h: Fix comment. From-SVN: r191758
