...called function reads them from the XMM registers or the regular stack.

If I remember...

...statement.


The SIMD registers are also a "completely different set of registers".


Since they are...

...via a completely different (legacy) set of registers on x64 (most
arch's don't...

...the variable around between RAM and various registers as the function progressed, so all of...

...to transfer the arguments from the SSE registers onto the x87 stack and then convert...

...the only reasonable way to access hardware registers. The only others I have seen are...

...operations do this and multiplication of two registers with byte size results in placing product...

...my cpu a little faster code if I don't use sse registers.)

Bye,
bearophile

...double point scalars around in the xmm registers.   vectors require writing a bunch of helper...

...https://github.com/JinShil/stm32_registers/blob/master/source/stm32/registers/rcc.d https://github...