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Re: fixed_scalar_and_varying_struct_p and varies_p
- From: Eric Botcazou <ebotcazou at adacore dot com>
- To: Richard Guenther <richard dot guenther at gmail dot com>
- Cc: Richard Sandiford <richard dot sandiford at linaro dot org>, gcc at gcc dot gnu dot org, rdsandiford at googlemail dot com, DJ Delorie <dj at redhat dot com>
- Date: Mon, 2 Jan 2012 19:54:37 +0100
- Subject: Re: fixed_scalar_and_varying_struct_p and varies_p
- References: <g4boqrqufn.fsf@richards-thinkpad.stglab.manchester.uk.ibm.com> <87y5tqrwsj.fsf@firetop.home> <CAFiYyc2zYA0+jTR_yXygRFHM4pCx5Kn-pqLw-wAAO7PMPzEh9g@mail.gmail.com>
> I'd say open a missed optimization bug with the testcase and go ahead
> with both patches. Let's see if Eric has some comments first though.
None, but the m32c maintainer may have some.
DJ, do you happen to know the rationale for the use of the MEM_SCALAR_P and
MEM_IN_STRUCT_P flags in m32c_immd_dbl_mov? What condition do these tests try
to model exactly?
--
Eric Botcazou