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Re: Code gen error on PowerPC
- To: Franz Sirl <Franz dot Sirl-kernel at lauterbach dot com>, Gary Thomas <gdt at linuxppc dot org>, law at cygnus dot com
- Subject: Re: Code gen error on PowerPC
- From: Richard Henderson <rth at cygnus dot com>
- Date: Mon, 1 Mar 1999 09:26:43 -0800
- Cc: egcs-ppc at egcs dot cygnus dot com, egcs-bugs at egcs dot cygnus dot com
- References: <XFMail.990222102413.gdt@linuxppc.org> <4.2.0.25.19990301143643.0364a0d0@mail.lauterbach.com>
On Mon, Mar 01, 1999 at 02:52:15PM +0100, Franz Sirl wrote:
> Fri Jul 17 14:18:14 1998 Richard Henderson <rth@cygnus.com>
>
> * loop.h (struct induction): Add no_const_addval.
> * loop.c (the_movables, reg_address_cost): New variables.
> (init_loop): Init reg_address_cost.
> (loop_optimize): Call end_alias_analysis.
> (scan_loop): Init the_movables.
[...]
This is no bug fix patch. This is an optimization to recognize
more GIVs, and to better combine them.
r~