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<title>libclc</title>
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<h1>libclc</h1>
<p>
libclc is an open source, BSD/MIT dual licensed
implementation of the library requirements of the
OpenCL C programming language, as specified by the <a
href="https://www.khronos.org/registry/OpenCL/specs/opencl-1.1.pdf">OpenCL
1.1 Specification</a>. The following sections of the specification
impose library requirements:
<ul>
<li>6.1: Supported Data Types
<li>6.2.3: Explicit Conversions
<li>6.2.4.2: Reinterpreting Types Using as_type() and as_typen()
<li>6.9: Preprocessor Directives and Macros
<li>6.11: Built-in Functions
<li>9.3: Double Precision Floating-Point
<li>9.4: 64-bit Atomics
<li>9.5: Writing to 3D image memory objects
<li>9.6: Half Precision Floating-Point
</ul>
</p>
<p>
libclc is intended to be used with the <a href="https://clang.llvm.org/">Clang</a>
compiler's OpenCL frontend.
</p>
<p>
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.
</p>
<p>
libclc currently supports the AMDGCN, and R600 and NVPTX targets, but
support for more targets is welcome.
</p>
<h2>Download</h2>
<tt>git clone https://github.com/llvm/llvm-project.git</tt> (<a href="https://github.com/llvm/llvm-project/tree/libclc">View sources</a>)
<h2>Mailing List</h2>
libclc-dev@lists.llvm.org (<a href="https://lists.llvm.org/cgi-bin/mailman/listinfo/libclc-dev">subscribe/unsubscribe</a>, <a href="https://lists.llvm.org/pipermail/libclc-dev/">archives</a>)
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