SSE intrinsic functions reference

c++ c gcc sse simd
NGaffney picture NGaffney · Aug 23, 2011 · Viewed 35.7k times · Source

Does anyone know of a reference listing the operation of the SSE intrinsic functions for gcc, i.e. the functions in the <*mmintrin.h> header files?

Thanks.

Answer

Paul R picture Paul R · Aug 25, 2011

As well as all the online PDF documentation already mentioned, there is also a very useful utility which summarizes all the instructions and intrinsics and groups them by technology. It runs on Linux, Windows and Mac OS X. It's hidden away on Intel's AVX technology page but it's equally useful for SSE programming. Go to http://software.intel.com/en-us/articles/intel-intrinsics-guide and then select the Intel Intrinsics Guide for your platform of choice.

UPDATE

There is now an online version of the intrinsics guide, so you no longer need to install anything, and it's always up-to-date.

Related questions

Convert char to int in C and C++

How do I convert a char to an int in C and C++?

Read More
Debug vs Release in CMake

In a GCC compiled project, How do I run CMake for each target type (debug/release)? How do I specify debug and release C/C++ flags using CMake? How do I express that the main executable will be compiled with …

Read More
How do I list the symbols in a .so file

How do I list the symbols being exported from a .so file? If possible, I'd also like to know their source (e.g. if they are pulled in from a static library). I'm using gcc 4.0.2, if that makes a difference.

Read More