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Re: rtx_equal_function_value_matters
- To: Richard Henderson <rth at cygnus dot com>
- Subject: Re: rtx_equal_function_value_matters
- From: Jeffrey A Law <law at cygnus dot com>
- Date: Tue, 24 Nov 1998 11:37:45 -0700
- cc: Jakub Jelinek <jj at sunsite dot ms dot mff dot cuni dot cz>, davem at dm dot cobaltmicro dot com, egcs at cygnus dot com, crux at pool dot informatik dot rwth-aachen dot de
- Reply-To: law at cygnus dot com
In message <19981124103041.A7241@dot.cygnus.com>you write:
> On Tue, Nov 24, 1998 at 07:13:14PM +0100, Jakub Jelinek wrote:
> > That's what I proposed in my first mail. I think simply replacing a bunch
> of
> > (reload_in_progress || reload_completed) tests with
> > (cannot_generate_new_rtxs) or whatever (you'll probably name it better),
> it
> > would fix a lot of bugs that may show up randomly.
>
> While we should have some simple no_new_pseudos predicate, I wonder
> if you win creating new pseudos when cse_not_expected.
I suspect creating new pseudos after cse_not_expected doesn't win anything
at all except for the cases where we create them during regclass.
jeff