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Re: more stormy16 opcodes


> Date: Wed, 20 Nov 2002 14:17:01 -0500
> From: DJ Delorie <dj@redhat.com>
> Cc: gcc-patches@gcc.gnu.org
> X-OriginalArrivalTime: 20 Nov 2002 19:17:05.0567 (UTC) FILETIME=[69AE92F0:01C290C9]
> 
> 
> > The md file change is OK.  Why were the builtins needed?
> 
> They were requested by Sanyo.  I would have just used inline asms.
> 
> > GCC should be able to generate the patterns from plain C,
> 
> Nope.  It creates a call to __divsi3 if there isn't a divsi3 expander.
> I'm open to suggestions, though...

Oh, I see.  There's no actual divsi3 pattern, so initial codegen makes
a libcall and then the libcall can't be optimised down into the
patterns that are available.  The patch is OK, then.

-- 
- Geoffrey Keating <geoffk@geoffk.org>


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