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Re: [PATCH] Improve DSE to handle redundant zero initializations.

From: Jeff Law <law at redhat dot com>
To: Matthew Beliveau <mbelivea at redhat dot com>
Cc: Richard Biener <richard dot guenther at gmail dot com>, GCC Patches <gcc-patches at gcc dot gnu dot org>, Marek Polacek <polacek at redhat dot com>, Richard Sandiford <richard dot sandiford at arm dot com>
Date: Mon, 19 Aug 2019 16:54:45 -0600
Subject: Re: [PATCH] Improve DSE to handle redundant zero initializations.
References: <CAOrE4X0EB-sq3FeoARm1tCfsXuL6TwqkPhDRQrt9zQrr4Hnfhg@mail.gmail.com> <mptk1bhtr53.fsf@arm.com> <CAFiYyc3_N6cd6=QfAvt2CyGUKpB8oraOoDWSyfbjEmm4ckUEHQ@mail.gmail.com> <CAOrE4X0gECb9TCr4WU_nsp4D7EfEfPKsWkJQ-c-SOofMJhVBLA@mail.gmail.com> <44b25949-3409-f760-9fb7-05633078d46a@redhat.com> <CAOrE4X3hf4TeDUZ-EPyXGhFm8_KAU3ivFhm9knaQa=P9a3+YBQ@mail.gmail.com>

On 8/19/19 1:53 PM, Matthew Beliveau wrote:

>> Jeff
> 
> DSE-3.patch
> 
> Bootstrapped/regtested on x86_64-linux, ok for trunk?
> 
> 2019-08-19  Matthew Beliveau  <mbelivea@redhat.com>
> 
> 	* tree-ssa-dse.c (dse_optimize_redundant_stores): Improved check to
> 	catch more redundant zero initialization cases.
> 	(dse_dom_walker::dse_optimize_stmt): Likewise.
> 
> 	* gcc.dg/tree-ssa/redundant-assign-zero-1.c: New test.
> 	* gcc.dg/tree-ssa/redundant-assign-zero-2.c: New test.
OK for the trunk.  THanks for your patience.

Jeff

References:
- [PATCH] Improve DSE to handle redundant zero initializations.
  - From: Matthew Beliveau
- Re: [PATCH] Improve DSE to handle redundant zero initializations.
  - From: Richard Sandiford
- Re: [PATCH] Improve DSE to handle redundant zero initializations.
  - From: Richard Biener
- Re: [PATCH] Improve DSE to handle redundant zero initializations.
  - From: Matthew Beliveau
- Re: [PATCH] Improve DSE to handle redundant zero initializations.
  - From: Jeff Law
- Re: [PATCH] Improve DSE to handle redundant zero initializations.
  - From: Matthew Beliveau

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