On Fri, Jun 03, 2016 at 04:50:00PM -0500, Evandro Menezes wrote:
> From 763562f829d4fec54d21555b2bfd6478d449294f Mon Sep 17 00:00:00 2001
> From: Evandro Menezes <e.mene...@samsung.com>
> Date: Thu, 3 Mar 2016 18:13:46 -0600
> Subject: [PATCH 1/3] [AArch64] Add more choices for the reciprocal square root
> approximation
>
> Allow a target to prefer such operation depending on the operation mode.
This is OK for trunk.
Thanks for the patch, and your work getting it ready for trunk.
Thanks,
James
>
> 2016-03-03 Evandro Menezes <e.mene...@samsung.com>
>
> gcc/
> * config/aarch64/aarch64-protos.h
> (AARCH64_APPROX_MODE): New macro.
> (AARCH64_APPROX_{NONE,ALL}): Likewise.
> (cpu_approx_modes): New structure.
> (tune_params): New member "approx_modes".
> * config/aarch64/aarch64-tuning-flags.def
> (AARCH64_EXTRA_TUNE_APPROX_RSQRT): Remove macro.
> * config/aarch64/aarch64.c
> ({generic,exynosm1,xgene1}_approx_modes): New core
> "cpu_approx_modes" structures.
> (generic_tunings): New member "approx_modes".
> (cortexa35_tunings): Likewise.
> (cortexa53_tunings): Likewise.
> (cortexa57_tunings): Likewise.
> (cortexa72_tunings): Likewise.
> (exynosm1_tunings): Likewise.
> (thunderx_tunings): Likewise.
> (xgene1_tunings): Likewise.
> (use_rsqrt_p): New argument for the mode and use new member from
> "tune_params".
> (aarch64_builtin_reciprocal): Devise mode from builtin.
> (aarch64_optab_supported_p): New argument for the mode.
> * doc/invoke.texi (-mlow-precision-recip-sqrt): Reword description.
