Richard Henderson <[EMAIL PROTECTED]> writes: > On Sun, Mar 20, 2005 at 01:59:44PM +0300, Denis Chertykov wrote: > > The reload will generate addhi3 and reload will have a problem with > > two modified regs (ZCMP_FLAGS, CARRY_FLAGS) which will be a bad > > surprise for reload. :( As I remember. > > In order to expose the flags register before reload, you *must*
Precisely to say while reload_in_progress. > have load, store, reg-reg move, and add operations that do not > modify the flags. They (load, store, add) can modify flags before reload. (while no reload_in_progress) Is this OK ? Denis.
