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Re: [patch RFC] SH: Use FRAME_GROWS_DOWNWARD
- From: Joern RENNECKE <joern dot rennecke at st dot com>
- To: Kaz Kojima <kkojima at rr dot iij4u dot or dot jp>
- Cc: gcc-patches at gcc dot gnu dot org, aoliva at redhat dot com
- Date: Wed, 06 Jul 2005 22:02:23 +0100
- Subject: Re: [patch RFC] SH: Use FRAME_GROWS_DOWNWARD
- References: <20050707.054643.10316246.kkojima@rr.iij4u.or.jp>
200507062152-diffKaz Kojima wrote:
Hi,
The attached patch is to use the soft frame pointer on SH backend.
What problem are you trying to solve?
Due to the way that reloads spills the most improtant registers last,
I suppose you'll get better code for -fno-omit-frme-pointer, but
worse code for -fomit-frame-pointer.