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Re: Stop reload from using the hard frame pointer as a reload register

From: Ian Lance Taylor <iant at google dot com>
To: Richard Sandiford <richard at codesourcery dot com>
Cc: gcc-patches at gcc dot gnu dot org
Date: 26 Apr 2007 11:55:30 -0700
Subject: Re: Stop reload from using the hard frame pointer as a reload register
References: <87mz0y6v5q.fsf@firetop.home> <m3mz0xhlk1.fsf@localhost.localdomain> <87k5vzmwyy.fsf@firetop.home>

Richard Sandiford <richard@codesourcery.com> writes:

> gcc/
> 	* reload.h (elimination_target_reg_p): Declare.
> 	* reload.c (find_reloads): Don't apply the reg_rtx move
> 	optimization if the SET_DEST satisfies elimination_target_reg_p.
> 	* reload1.c (elimination_target_reg_p): New function.
> 	(gen_reload): In the move/add2 fallback, make sure that op0
> 	does not overlap the destination register.

This is OK.

Thanks.

Ian

References:
- Stop reload from using the hard frame pointer as a reload register
  - From: Richard Sandiford
- Re: Stop reload from using the hard frame pointer as a reload register
  - From: Ian Lance Taylor
- Re: Stop reload from using the hard frame pointer as a reload register
  - From: Richard Sandiford

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