9e433b3461
Thanks to Jakub's addition of the built-in, we can add this to the library now. The compiler tests for the built-in are quite extensive, including verifying the constraints, so this only adds minimal tests to the library testsuite. This doesn't add a new _GLIBCXX_HAVE_BUILTIN_BIT_CAST because using __has_builtin(__builtin_bit_cast) works for GCC and versions of Clang that provide the built-in. libstdc++-v3/ChangeLog: PR libstdc++/93121 * include/std/bit (__cpp_lib_bit_cast, bit_cast): Define. * include/std/version (__cpp_lib_bit_cast): Define. * testsuite/26_numerics/bit/bit.cast/bit_cast.cc: New test. * testsuite/26_numerics/bit/bit.cast/version.cc: New test. |
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| config | ||
| doc | ||
| include | ||
| libsupc++ | ||
| po | ||
| python | ||
| scripts | ||
| src | ||
| testsuite | ||
| acinclude.m4 | ||
| aclocal.m4 | ||
| ChangeLog | ||
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| ChangeLog-2018 | ||
| ChangeLog-2019 | ||
| config.h.in | ||
| configure | ||
| configure.ac | ||
| configure.host | ||
| crossconfig.m4 | ||
| fragment.am | ||
| linkage.m4 | ||
| Makefile.am | ||
| Makefile.in | ||
| README | ||
file: libstdc++-v3/README New users may wish to point their web browsers to the file index.html in the 'doc/html' subdirectory. It contains brief building instructions and notes on how to configure the library in interesting ways.