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Ahmed Bougacha f1ac850e77 [Builtins] Implement half-precision conversions. 
Mostly uninteresting, except:
- in __extendXfYf2, when checking if the number is normal, the old
  code relied on the unsignedness of src_rep_t, which is a problem
  when sizeof(src_rep_t) < sizeof(int): the result gets promoted to
  int, the signedness of which breaks the comparison.
  I added an explicit cast; it shouldn't affect other types.
- we can't pass __fp16, so src_t and src_rep_t are the same.
- the gnu_*_ieee symbols are simply duplicated definitions, as aliases
  are problematic on mach-o (where only weak aliases are supported;
  that's not what we want).

Differential Revision: http://reviews.llvm.org/D9693

llvm-svn: 237161
 		2015-05-12 18:33:42 +00:00
..
cmake [asan] Use a version script to limit the symbols exported by the ASan shared runtime library. 2015-05-05 22:51:35 +00:00
include Add dfsan_weak_hook_memcmp 2015-05-07 00:04:39 +00:00
lib [Builtins] Implement half-precision conversions. 2015-05-12 18:33:42 +00:00
make builtins: Implement the functions from stdatomic.h 2015-05-08 05:39:05 +00:00
test [Builtins] Implement half-precision conversions. 2015-05-12 18:33:42 +00:00
unittests Use the newer python syntax for exceptions 2014-12-13 02:46:56 +00:00
www Rewrite compiler-rt.llvm.org to make it relevant 2014-02-27 14:39:48 +00:00
.arcconfig Update arc config to new domain. 2014-04-07 10:22:41 +00:00
.gitignore Add vim swap files to .gitignore 2014-03-20 19:44:33 +00:00
CMakeLists.txt [sanitizer][MIPS] Fix warnings on MIPS 2015-04-10 09:45:22 +00:00
CODE_OWNERS.TXT Add myself as a c-rt owner of ASan/Win 2014-02-27 12:07:43 +00:00
CREDITS.TXT Add Guan-Hong Liu. 2014-06-16 08:38:19 +00:00
LICENSE.TXT Update copyright year to 2015. 2015-03-12 19:53:06 +00:00
Makefile Revert r196490 and fix include paths in makefile-based build 2013-12-05 10:40:11 +00:00
README.txt Moved the builtins documentation to lib/builtins/ 2014-05-28 23:09:45 +00:00

README.txt 

Compiler-RT
================================

This directory and its subdirectories contain source code for the compiler
support routines.

Compiler-RT is open source software. You may freely distribute it under the
terms of the license agreement found in LICENSE.txt.

================================