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Re: [ast-optimizer-branch] simplify builtins

From: Richard Henderson <rth at redhat dot com>
To: Aldy Hernandez <aldyh at redhat dot com>
Cc: Andreas Schwab <schwab at suse dot de>, gcc-patches at gcc dot gnu dot org
Date: Fri, 28 Jun 2002 17:32:37 -0700
Subject: Re: [ast-optimizer-branch] simplify builtins
References: <20020625032103.GA382@redhat.com> <jeadpjbx2n.fsf@sykes.suse.de> <20020625123259.GB801@redhat.com>

On Tue, Jun 25, 2002 at 05:32:59AM -0700, Aldy Hernandez wrote:
> +     case BUILT_IN_ARGS_INFO:
> +     case BUILT_IN_STDARG_START:
> +     case BUILT_IN_VA_END:
> +     case BUILT_IN_VA_COPY:
> +     case BUILT_IN_VARARGS_START:

Feel free to fix these (plus VA_ARG_EXPR) by changing the backend
hooks to return (unsimplified) trees instead of rtl.  In many cases
this can be done simply by not calling expand_expr.

r~

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References:
- [ast-optimizer-branch] simplify builtins
  - From: Aldy Hernandez
- Re: [ast-optimizer-branch] simplify builtins
  - From: Andreas Schwab
- Re: [ast-optimizer-branch] simplify builtins
  - From: Aldy Hernandez

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