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Re: [SVE] PR91532
- From: Jeff Law <law at redhat dot com>
- To: Prathamesh Kulkarni <prathamesh dot kulkarni at linaro dot org>, Richard Sandiford <richard dot sandiford at arm dot com>, Richard Biener <rguenther at suse dot de>, gcc Patches <gcc-patches at gcc dot gnu dot org>
- Date: Fri, 20 Sep 2019 16:20:26 -0600
- Subject: Re: [SVE] PR91532
- References: <CAAgBjMmwn-kmhQTM8o2z=7hDtzO4g91GVs_PkHfLTFJ=2L3Rag@mail.gmail.com>
On 9/19/19 10:19 AM, Prathamesh Kulkarni wrote:
> Hi,
> For PR91532, the dead store is trivially deleted if we place dse pass
> between ifcvt and vect. Would it be OK to add another instance of dse there ?
> Or should we add an ad-hoc "basic-block dse" sub-pass to ifcvt that
> will clean up the dead store ?
I'd hesitate to add another DSE pass. If there's one nearby could we
move the existing pass?
Jeff