Controls the generation of SSE-2 instructions for single and double-precision floating point and 16-byte integer vector operations.
#pragma sse2 on | off | reset
NOTE When enabled, the autovectorize loops option (#pragma opt_vectorize_loops on) will use these instructions if possible.
This pragma corresponds to the Use extended instructions setting in the x86 CodeGen panel setting or #pragma use_extinst on. The default settings is off.