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Re: Deprecating Itanium1 for GCC 4.4
On Sun, 29 Mar 2009, Steven Bosscher wrote:
> On Mon, Mar 23, 2009 at 7:28 PM, Steve Ellcey <email@example.com> wrote:
> > I think
> > depreciating Itanium1 tuning for 4.4 and removing it in 4.5 is
> > reasonable. ?Code generated and tuned for Itanium2 should run fine on
> > Itanium1 (Merced). ?It won't be scheduled optimally of course, but it
> > should run correctly.
> > I will approve this patch, but it should say "Itanium1 tuning support"
> > or something like that. ?The code will run on Itanium1, just not
> > optimally.
> Like so (with same changelog). I'll commit this before the end of the
> week to the gcc-4_4-branch if no-one objects. Bootstrapped and tested
> on ia64 with gcc-4_4-branch.
> For gcc 4.5, should I wait with posting the cleanup patch until the
> end of the development cycle, or can we go ahead and clean things up
> now in stage 1?
If the cleanup doesn't go on trunk at the same time as the deprecation
patch goes on 4.4, the deprecation patch should go on trunk at that time
until the cleanup is done, to avoid this being deprecated only on 4.4. (I
think early stage 1 is a fine time for doing the cleanup.)
Joseph S. Myers