What is GCC ClooG?

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GCC ClooG is a free software tool that is used to generate code for loops in computer programs. It is part of the GNU Compiler Collection (GCC), which is a set of free software development tools that are used to compile and build software programs.

ClooG stands for “Code Generation Library for Optimized Code Generation” and is used to generate code for loops that are optimized for performance. It is particularly useful for optimizing code that is executed frequently or that has a high level of complexity.

GCC ClooG works by analyzing the structure of a loop and generating code that is optimized for the specific characteristics of the loop. It can generate code for loops that are written in C, C++, or other languages that are supported by GCC.

To use GCC ClooG, you will need to install the GCC compiler on your computer and then invoke the ClooG tool from the command line. You will need to provide the source code for the loop that you want to optimize and specify any optimization options that you want to use. GCC ClooG will then generate optimized code for the loop, which you can incorporate into your program.

CLooG-PPL – GCC Wiki

… CLooG-PPL is a branch of CLooG that contains a backend for the Parma Polyhedra Library. GCC 4.4 release depends on the code of the CLooG-PPL (1)

40516 – –without-mpc, –without-ppl

…  c >&5 configure:5172: $? = 0 configure:5265: checking for correct version of CLooG configure:5287: gcc -c -I/usr/system64/include -L/usr/ (2)

… Modifying GCC sources requires additional tools described below. Tools/packages necessary for building GCC. ISO C++11 compiler. Necessary to bootstrap GCC.(3)

…  The GNU Compiler Collection is an advanced piece of software with GCC optionally can make use of the CLooG and ISL libraries.(4)

for 32 and 64 bit Windows / Wiki2 / PPL, CLooG and GCC

… PPL and CLooG are used by GCC for high level optimizations. As of ust 2008 the new optimization method has been merged into GCC (4.4.0) mainline (5)