[ast-optimizer-branch] simplify builtins

Richard Henderson rth@redhat.com
Fri Jun 28 17:35:00 GMT 2002


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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