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llvm-project/libclc
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Jan Vesely 85e2fa44c6 libclc/r600: Use target specific builtins to implement rsqrt and native_rsqrt 
Fixes OCL CTS rsqrt and half_rsqrt (1 thread, scalaer) tests on AMD Turks.

Reviewer: awatry
Differential Revision: https://reviews.llvm.org/D74016
 		2020-02-09 14:42:15 -05:00
..
amdgcn/lib amdgcn: Consolidate atomic minmax helpers 2018-11-27 16:01:13 +00:00
amdgcn-amdhsa/lib amdgcn-amdhsa: Convert get_{global,local}_size to clc for all llvm versions 2018-11-04 00:39:30 +00:00
amdgpu/lib Remove redundant OVERRRIDES file 2018-11-04 00:54:46 +00:00
cmake Add cmake build system 2018-11-27 16:07:19 +00:00
generic libclc: Move rsqrt implementation to a .cl file 2020-02-09 14:42:09 -05:00
ptx/lib ptx: Use __clc_nextafter to implement nextafter 2017-10-08 19:34:00 +00:00
ptx-nvidiacl/lib Implement mem_fence on ptx 2017-10-09 19:43:04 +00:00
r600/lib libclc/r600: Use target specific builtins to implement rsqrt and native_rsqrt 2020-02-09 14:42:15 -05:00
test
…
utils Revert "Rename F_{None,Text,Append} to OF_{None,Text,Append}. NFC" 2019-08-05 17:23:23 +00:00
www [www] Change URLs to HTTPS. 2019-10-24 13:25:15 -07:00
.gitignore .gitignore: Ignore amdgcn-mesa object directory 2017-02-24 20:32:18 +00:00
CMakeLists.txt cmake: Install libraries to DATADIR from GNUInstallDirs 2019-01-07 20:20:37 +00:00
CREDITS.TXT
…
LICENSE.TXT Fix typos throughout the license files that somehow I and my reviewers 2019-01-21 09:52:34 +00:00
README.TXT
…
amdgcn-mesa3d configure: Provide symlink for amdgcn-mesa3d instead of configure hack 2018-11-04 00:54:45 +00:00
check_external_calls.sh check_external_calls.sh: Print number of calls in tested file. 2017-10-08 20:07:56 +00:00
compile-test.sh
…
libclc.pc.in cmake: Install libraries to DATADIR from GNUInstallDirs 2019-01-07 20:20:37 +00:00

README.TXT

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libclc
------

libclc is an open source, BSD licensed implementation of the library
requirements of the OpenCL C programming language, as specified by the
OpenCL 1.1 Specification. The following sections of the specification
impose library requirements:

  * 6.1: Supported Data Types
  * 6.2.3: Explicit Conversions
  * 6.2.4.2: Reinterpreting Types Using as_type() and as_typen()
  * 6.9: Preprocessor Directives and Macros
  * 6.11: Built-in Functions
  * 9.3: Double Precision Floating-Point
  * 9.4: 64-bit Atomics
  * 9.5: Writing to 3D image memory objects
  * 9.6: Half Precision Floating-Point

libclc is intended to be used with the Clang compiler's OpenCL frontend.

libclc is designed to be portable and extensible. To this end, it provides
generic implementations of most library requirements, allowing the target
to override the generic implementation at the granularity of individual
functions.

libclc currently only supports the PTX target, but support for more
targets is welcome.

Compiling and installing with Make
----------------------------------

$ ./configure.py --with-llvm-config=/path/to/llvm-config && make
$ make install

Note you can use the DESTDIR Makefile variable to do staged installs.

$ make install DESTDIR=/path/for/staged/install

Compiling and installing with Ninja
-----------------------------------

$ ./configure.py -g ninja --with-llvm-config=/path/to/llvm-config && ninja
$ ninja install

Note you can use the DESTDIR environment variable to do staged installs.

$ DESTDIR=/path/for/staged/install ninja install

Website
-------

http://www.pcc.me.uk/~peter/libclc/