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Re: altivec: memory vector moves from GPRs
- From: David Edelsohn <dje at watson dot ibm dot com>
- To: Aldy Hernandez <aldyh at redhat dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Tue, 12 Feb 2002 17:22:35 -0500
- Subject: Re: altivec: memory vector moves from GPRs
>>>>> Aldy Hernandez writes:
Aldy> i thought about that. i'm not sure. you mean of the kind:
Aldy> (subreg:V8HI (reg:V4SI 999))
Aldy> or
Aldy> (subreg:SI (reg:V4SI 999))
Aldy> the 2nd one no. the first one, i've never seen generated.
Aldy> geoff? anyone?
There's also the issue of memory SUBREGs. I'm just thinking of
the differences between register_operand and the predicate you wrote --
whether you intended all of the restrictions.
David