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Re: [ping**2] Re: [patch, arm] align saved FP regs on stack

From: Sandra Loosemore <sandra at codesourcery dot com>
To: GCC Patches <gcc-patches at gcc dot gnu dot org>
Cc: Chris Jones <chrisj at nvidia dot com>, Joshua Conner <jconner at nvidia dot com>
Date: Thu, 8 Jan 2015 15:11:42 -0700
Subject: Re: [ping**2] Re: [patch, arm] align saved FP regs on stack
Authentication-results: sourceware.org; auth=none
References: <5466A26D dot 4040003 at codesourcery dot com> <54920129 dot 5080405 at codesourcery dot com>

On 12/17/2014 03:18 PM, Sandra Loosemore wrote:

On 11/14/2014 05:46 PM, Sandra Loosemore wrote:

2014-11-14  Sandra Loosemore  <sandra@codesourcery.com>
        Joshua Conner  <jconner@nvidia.com>
        Chris Jones  <chrisj@nvidia.com>

    gcc/
    * doc/invoke.texi (Option Summary): Add -malign-saved-fp-regs.
    (ARM options): Document it.
    * config/arm/arm.h (arm_stack_offsets): Add fp_regs_padding field.
    * config/arm/arm.opt (malign-saved-fp-regs): New option.
    * config/arm/arm.c (add_dummy_register_save_p): New function,
    split from...
    (arm_get_frame_offsets): Here.  Use this logic also for aligning
    saved VFP coprocessor registers if possible.
    (arm_expand_prologue): Add explicit padding for saved VFP registers.
    (arm_expand_epilogue): Undo explicit padding for saved VFP registers.


Ping?

https://gcc.gnu.org/ml/gcc-patches/2014-11/msg01914.html

Ping again? This patch was posted during stage 1; can somebody reviewthis before Stage 4 starts and it's too late to get it in GCC 5?


-Sandra

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