3 ms·
FWIW, RISC-V does have a invalid instruction trap mechanism that can be used to provide a software implementation of missing instructions. So at least if the p
by cbm-vic-20 5y ago
FWIW, RISC-V does have a invalid instruction trap mechanism that can be used to provide a software implementation of missing instructions. So at least if the platform provides a software implementation of the B instructions, user code can still use them (much more slowly, of course).
- ncmncm 5y agoEmulated B extension instructions would be no better than a cruel joke: "Ha, you thought you were optimizing? Here, see how you like extra-super-slow, instead!"