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Re: flow.c and nested subregs
- To: amylaar at redhat dot com
- Subject: Re: flow.c and nested subregs
- From: Stephen Clarke <Stephen dot Clarke at st dot com>
- Date: Wed, 25 Jul 2001 11:23:11 -0700
- Cc: gcc at gcc dot gnu dot org
- Organization: STMicroelectronics
- References: <200107242247.f6OMlJh21566@phal.cambridge.redhat.com>
amylaar@redhat.com wrote:
>
> > 1. Is this kind of usage of subreg allowed (i.e. one subreg nested inside
> > another)?
>
> No. I suppose 2. is moot then.
Yes - if nested subregs aren't allowed, then question 2 is irrelevant.
I need to fix the machine description so that the problematic define_split
does not introduce a nested subreg.
Thanks,
Steve.
--
Stephen Clarke, Micro Cores & Development Tools, STMicroelectronics
Phone:1-408-922-4062, Fax:1-408-895-3069, mailto:Stephen.Clarke@st.com
Mail: STMicroelectronics, 1060 E. Brokaw Rd., San Jose, CA 95131.