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Re: contributing altivec changes
- To: Dale Johannesen <dalej at apple dot com>
- Subject: Re: contributing altivec changes
- From: Aldy Hernandez <aldyh at redhat dot com>
- Date: 31 Oct 2001 19:10:06 -0500
- Cc: Geoff Keating <geoffk at redhat dot com>, gcc at gcc dot gnu dot org
- References: <3C14D236-CE53-11D5-AEDD-003065C86F94@apple.com>
> I suggest you add VRSAVE now; you'll need it eventually.
vrsave, alignment, and the functional units are all on my todo list.
(see my other post regarding what's left to implement).
>
> > ;; Define an insn type attribute. This is used in function unit delay
> > ;; computations.
> > ! (define_attr "type"
> > "integer,load,store,fpload,fpstore,imul,lmul,idiv,ldiv,branch,compare,cr_logical,
> > delayed_compare,fpcompare,mtjmpr,fp,dmul,sdiv,ddiv,ssqrt,dsqrt,jmpreg,altivec"
> > (const_string "integer"))
>
> You'll need more than one altivec insn type also. Take a look at the
> functional units.
--
Aldy Hernandez E-mail: aldyh@redhat.com
Professional Gypsy
Red Hat, Inc.