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Re: simplify_subreg vs gen_rtx_SUBREG vis WORDS_BIG_ENDIAN
- From: DJ Delorie <dj at redhat dot com>
- To: Ian Lance Taylor <iant at google dot com>
- Cc: gcc at gcc dot gnu dot org
- Date: Mon, 27 Oct 2008 16:01:23 -0400
- Subject: Re: simplify_subreg vs gen_rtx_SUBREG vis WORDS_BIG_ENDIAN
- References: <m3tzaxddob.fsf@google.com>
Ian Lance Taylor <iant@google.com> writes:
> simplify_gen_subreg will only return NULL when the RTL is already
> bogus.
Be that as it may, but it was returning NULL in my case. (I tried
calling simplify_gen_subreg too).
The code in expmed.c seemed to be OK with generating bogus subregs,
assuming that something else will reject them or they'll get fixed
later.