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Re: Fix prefetch address generation for XScale
- From: Aldy Hernandez <aldyh at redhat dot com>
- To: Nick Clifton <nickc at cambridge dot redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: 20 Dec 2001 10:23:12 -0800
- Subject: Re: Fix prefetch address generation for XScale
- References: <m3adwear8h.fsf@north-pole.nickc.cambridge.redhat.com>
>>>>> "Nick" == Nick Clifton <nickc@cambridge.redhat.com> writes:
> Hi Guys,
> The builtin-prefetch?.c tests have exposed a problem with the ARM
> port's implementation of the prefetch instruction. The tests could
> generate an instruction of the form:
> (prefetch (plus:SI (reg:SI) (const_int 0)))
why wasn't this folded?