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Re: [PATCH, rs6000] Remove optimize_insn_for_speed_p check on divide -> recip splitter
- From: Segher Boessenkool <segher at kernel dot crashing dot org>
- To: Pat Haugen <pthaugen at linux dot vnet dot ibm dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>, David Edelsohn <dje dot gcc at gmail dot com>
- Date: Tue, 13 Sep 2016 10:29:38 -0500
- Subject: Re: [PATCH, rs6000] Remove optimize_insn_for_speed_p check on divide -> recip splitter
- Authentication-results: sourceware.org; auth=none
- References: <07168a73-a63a-9699-3802-3311917db04b@linux.vnet.ibm.com>
On Tue, Sep 13, 2016 at 10:14:57AM -0500, Pat Haugen wrote:
> PRs 77536 and 68212 document cases where the estimated frequencies become unreliable to make appropriate decisions based on them. This patch removes the optimize_insn_for_speed_p check on the splitter so that the transformation will take place when -ffast-math is specified.
>
> Bootstrap/regtest on powerpc64le, ok for trunk?
Okay for trunk. Please mention the PRs in the changelog, i.e.:
> 2016-09-13 Pat Haugen <pthaugen@us.ibm.com>
>
PR tree-optimization/77536
PR rtl-optimization/68212
> * config/rs6000/rs6000.md (div->recip splitter): Remove
And you have trailing whitespace here ;-)
Thanks,
Segher