------- Comment #2 from michael dot meissner at amd dot com 2008-02-13 23:55 ------- Umm, SSE4A is completely different from SSE4/SSE4.1/SSE4.2. SSE4A are the instructions added with AMD's Barcelona machine, while SSE4.1 is the instructions added with the current generation of Intel machines (Penryn if memory serves), and SSE4.2 will be the instructions in the next Intel release. The whole naming scheme is unfortunate, especially SSSE3 and SSE4A.
-- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=35189
