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Re: [PATCH] reload: Remove dead set of used_spill_regs
- From: Ian Lance Taylor <iant at google dot com>
- To: Andreas Krebbel <krebbel1 at de dot ibm dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: 14 Jun 2006 08:14:47 -0700
- Subject: Re: [PATCH] reload: Remove dead set of used_spill_regs
- References: <20060614103709.GA3769@de.ibm.com>
Andreas Krebbel <krebbel1@de.ibm.com> writes:
> the code setting used_spill_regs at the end of reload seems
> pointless to me since used_spill_regs is a static variable
> and not used in function reload or its callees after that point.
When used_spill_regs was introduced, January 24, 1996, it was used to
communicate information to reorg.c. That use was removed October 15,
1998. So, yes, setting used_spill_regs at the end of reload is now
useless.
> 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
>
> * reload1.c (reload): Remove loop setting used_spill_regs.
This is OK when we go back to stage 1.
Thanks.
:REVIEWMAIL:
Ian