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Re: [RS6000] Force source of fix_trunc<mode>si2 to reg
- From: Segher Boessenkool <segher at kernel dot crashing dot org>
- To: Alan Modra <amodra at gmail dot com>
- Cc: gcc-patches at gcc dot gnu dot org
- Date: Tue, 2 Aug 2016 10:16:38 -0500
- Subject: Re: [RS6000] Force source of fix_trunc<mode>si2 to reg
- Authentication-results: sourceware.org; auth=none
- References: <20160802143254.GF20904@bubble.grove.modra.org>
On Wed, Aug 03, 2016 at 12:02:54AM +0930, Alan Modra wrote:
> So this patch isn't a particularly good solution to pr71680, but
> a) force_reg for an operand that must be a reg is 100% safe, and
> b) it's good to expose more combine opportunities.
I'm not sure it actually does fix the PR. But the patch certainly is
good, so please apply it. Thanks,
Segher