On Fri, 2005-02-25 at 12:18 +0100, Brian Budge wrote: > Hmmm, I doubt that. It seems very important that your data be in > registers when you want to do arithmetic on it. That's register allocation, not scheduling :) > > I can see that if your data was already in registers, maybe a > "randomized" instruction ordering would perform okay, but loading the > data properly is time consuming. At least these are the things I've > observed. > stevenb was the source of this information for me, so maybe he can confirm it (Steven, i mentioned to brian that icc 8.1 doesn't do scheduling for the pentium4 anymore, and he doubts it :P)
