...with -sse3 flags the resulting asm is a jungle of the new registers :-)

Bye,
bearophile

...bits in one of a couple special registers. In practice though, these are pretty much...

...I was just making conversation :P.

Segment registers are still used though, in very special...

...segment registers, not in the pointer registers. Only the OS can change the segment registers...

...a microcontroller emulator that had a few write-only registers, serial port output, for example.

...no signed/unsigned, there are infinite registers available, registers are orthogonal, etc." Or they just...

...SSE2, but they use the 128 bit registers, obviously. There's some other cool instructions...

...this is, but: LLVM uses SSA for registers, and it seems to be simpler to...

...64 bit address space and all those registers, and that I max out the system...

...variables before the asm and to copy registers into some variable before the final return...