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Re: [PATCH], Improve moving SFmode to GPR on PowerPC, #7 of 8
- From: Segher Boessenkool <segher at kernel dot crashing dot org>
- To: Michael Meissner <meissner at linux dot vnet dot ibm dot com>, GCC Patches <gcc-patches at gcc dot gnu dot org>, David Edelsohn <dje dot gcc at gmail dot com>, Bill Schmidt <wschmidt at linux dot vnet dot ibm dot com>
- Date: Tue, 26 Sep 2017 16:56:54 -0500
- Subject: Re: [PATCH], Improve moving SFmode to GPR on PowerPC, #7 of 8
- Authentication-results: sourceware.org; auth=none
- References: <20170919191636.GA4037@ibm-tiger.the-meissners.org> <20170926144829.GG16177@ibm-tiger.the-meissners.org>
On Tue, Sep 26, 2017 at 10:48:29AM -0400, Michael Meissner wrote:
> * config/rs6000/vsx.md (peephole for optimizing move SF to GPR):
> Adjust code to eliminate needing to do the shift right 32-bits
> operation after XSCVDPSPN.
After staring at this way too long... Looks correct. What a monster :-)
Okay for trunk. Thanks!
Segher