>>>>> "ILT" == Ian Lance Taylor <iant@xxxxxxxxxx> writes: ILT> The gcc documentation does not document the use of the Intel ILT> intrinsics. They are documented by Intel. I was thinking of (gcc.info.bz2)X86 Built-in Functions, documenting such builtins as v2df __builtin_ia32_hsubpd (v2df, v2df) and the like. -JimC -- James Cloos <cloos@xxxxxxxxxxx> OpenPGP: 1024D/ED7DAEA6