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Re: head: MIPS: Complete the R4000 multiply/shift errata workaround
- From: "Maciej W. Rozycki" <macro at ds2 dot pg dot gda dot pl>
- To: Richard Sandiford <rsandifo at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org, echristo at redhat dot com
- Date: Mon, 1 Mar 2004 18:23:37 +0100 (CET)
- Subject: Re: head: MIPS: Complete the R4000 multiply/shift errata workaround
- Organization: Technical University of Gdansk
- References: <Pine.LNX.4.55.0402191618200.3794@jurand.ds.pg.gda.pl><87llmyj0h7.fsf@redhat.com> <Pine.LNX.4.55.0402201727290.29033@jurand.ds.pg.gda.pl><877jyf8or2.fsf@redhat.com> <87znbb790o.fsf@redhat.com><Pine.LNX.4.55.0402241340460.25829@jurand.ds.pg.gda.pl> <87vflwzfsb.fsf@redhat.com><Pine.LNX.4.55.0402261304390.11348@jurand.ds.pg.gda.pl> <87k7277xxf.fsf@redhat.com><Pine.LNX.4.55.0403011700080.1962@jurand.ds.pg.gda.pl> <87wu64ldjv.fsf@redhat.com>
On Mon, 1 Mar 2004, Richard Sandiford wrote:
> The decision about whether to use multiplication or shifts is
> controlled by mips_rtx_costs. It sounds like we might need an
> R4000 clause there.
Thanks for the hint -- I'll do some benchmarking.
--
+ Maciej W. Rozycki, Technical University of Gdansk, Poland +
+--------------------------------------------------------------+
+ e-mail: macro@ds2.pg.gda.pl, PGP key available +