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Re: pointless expanders?
- To: Zack Weinberg <zack at wolery dot cumb dot org>
- Subject: Re: pointless expanders?
- From: Richard Henderson <rth at cygnus dot com>
- Date: Wed, 8 Mar 2000 15:36:39 -0800
- Cc: gcc at gcc dot gnu dot org
- References: <20000223215522.E1098@wolery.cumb.org>
On Wed, Feb 23, 2000 at 09:55:22PM -0800, Zack Weinberg wrote:
> Is there any functional difference between this:
[ expander and matching insn with no conditions ]
> and this:
[ insn with no conditions ]
Don't think so.
> And what's with the bare (match_operand) and (reg) expressions at top
> level of the pattern?
They should be wrapped in (use), but things will mostly
work without.
r~