[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index][Old Index]
Re: Please do not yell at people for trying to help you.
On Fri, Nov 12, 2010 at 09:29:58PM +0000, Eduardo Horvath wrote:
> > Doesn't really matter, as the compiler can reorder that and with the
> > right constraints, it certainly should.
> So instead of a single store you force a register spill, a load, and
> another store? That's even worse than 8 shifts, ands and ors.
What are you talking about? It doesn't make sense. If the assembler
constraint allow a register as input and a memory location as output,
the compiler (if it is smart enough *cough*) can and will replace the
assignment + macro with a direct store.
Main Index |
Thread Index |