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Re: [PATCH] Fix bootstrap on m68k (PR target/69885)
- From: Andreas Schwab <schwab at linux-m68k dot org>
- To: Jakub Jelinek <jakub at redhat dot com>
- Cc: Jeff Law <law at redhat dot com>, gcc-patches at gcc dot gnu dot org, Matthias Klose <doko at ubuntu dot com>
- Date: Mon, 22 Feb 2016 15:40:56 +0100
- Subject: Re: [PATCH] Fix bootstrap on m68k (PR target/69885)
- Authentication-results: sourceware.org; auth=none
- References: <20160222130839 dot GJ3017 at tucnak dot redhat dot com> <56CB16A5 dot 4090007 at redhat dot com> <20160222142815 dot GK3017 at tucnak dot redhat dot com>
Jakub Jelinek <jakub@redhat.com> writes:
> Would you like to somehow stress that operand 2's mode must be specified
> in the instruction pattern or expander? As it says that the compiler will
> convert it to that mode, I'd kind of say that VOIDmode should not be used
> there.
Perhaps a warning could be emitted by genrecog to that effect? It
already warns for some uses of modeless match_operand.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
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