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Re: IRA accumulated costs
- From: Richard Sandiford <rdsandiford at googlemail dot com>
- To: Vladimir Makarov <vmakarov at redhat dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: Wed, 01 Oct 2008 23:00:37 +0100
- Subject: Re: IRA accumulated costs
- References: <87prmpzup4.fsf@firetop.home> <48E14521.4030100@redhat.com> <48E38560.1060700@redhat.com>
Vladimir Makarov <vmakarov@redhat.com> writes:
> Hi, Richard. Returning to accurate cost accumulation issue you found
> recently. Here is the patch fixing it. You could try, if you want, how
> MIPS will behave with it. The patch also more accurately calculates
> ALLOCNO_CALL_FREQ which affects decision to spill allocno in
> assign_hard_reg if it is more profitable.
Thanks. I'll give the patch a go.
Richard