d0e086ae4f
__to_chars_10_impl is quite fast. According to the IACA the main loop takes only 6.0 cycles, the whole function with one iteration takes 10.0 cycles. Replacing the __first[pos] and __first[pos - 1] with __first[0] and __first[1] drops the function time to 7.53 cycles. 2019-09-09 Antony Polukhin <antoshkka@gmail.com> * include/bits/charconv.h (__detail::__to_chars_10_impl): Replace final offsets with constants. From-SVN: r275514 |
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README
This directory contains the GNU Compiler Collection (GCC). The GNU Compiler Collection is free software. See the files whose names start with COPYING for copying permission. The manuals, and some of the runtime libraries, are under different terms; see the individual source files for details. The directory INSTALL contains copies of the installation information as HTML and plain text. The source of this information is gcc/doc/install.texi. The installation information includes details of what is included in the GCC sources and what files GCC installs. See the file gcc/doc/gcc.texi (together with other files that it includes) for usage and porting information. An online readable version of the manual is in the files gcc/doc/gcc.info*. See http://gcc.gnu.org/bugs/ for how to report bugs usefully. Copyright years on GCC source files may be listed using range notation, e.g., 1987-2012, indicating that every year in the range, inclusive, is a copyrightable year that could otherwise be listed individually.