Dot product

Single precision floating point.
System V AMD64 ABI convention.


sses_dot:
    movaps xmm0, [rdi]
    mulps xmm0, [rsi]
    haddps xmm0, xmm0
    haddps xmm0, xmm0
    ret

>>40
A lot of his points aren't true, they're based upon ignorance or are using old information from before 1998 standardization, or from before C++0x/C++11.