This is the mail archive of the gcc-patches@gcc.gnu.org mailing list for the GCC project.

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]
Other format:	[Raw text]

[Patch, ARM][1/2] Add prefer_ldrd_strd field to tune

From: "Greta Yorsh" <Greta dot Yorsh at arm dot com>
To: "GCC Patches" <gcc-patches at gcc dot gnu dot org>
Cc: "Richard Earnshaw" <Richard dot Earnshaw at arm dot com>, "Ramana Radhakrishnan" <Ramana dot Radhakrishnan at arm dot com>, <nickc at redhat dot com>, "'Paul Brook'" <paul at codesourcery dot com>, <sameera dot deshpande at gmail dot com>
Date: Fri, 20 Jul 2012 15:59:16 +0100
Subject: [Patch, ARM][1/2] Add prefer_ldrd_strd field to tune

Add a new field to tune_params structure to indicate whether LDRD/STRD
instructions are preferred over POP/PUSH/STM/LDM. Set the new field to false
for all existing tunes. Subsequent patches will set it to true for
Cortex-A15 and use it to determine which instructions to emit, in particular
for prologue and epilogue.

Ok for trunk?

Thanks,
Greta

Changelog

gcc/

2012-07-20  Sameera Deshpande  <sameera.deshpande@arm.com>
            Greta Yorsh  <Greta.Yorsh@arm.com>

        * config/arm/arm-protos.h (prefer_ldrd_strd): New field.
        * config/arm/arm.c (arm_slowmul_tune): Initialized the new field.
        (arm_fastmul_tune, arm_strongarm_tune): Likewise.
        (arm_xscale_tune, arm_9e_tune, arm_v6t2_tune): Likewise.
        (rm_cortex_tune, am_cortex_a5_tune, arm_cortex_a9_tune): Likewise.
        (arm_fa726te_tune): Likewise.

Attachment: 1-tune-prefer-ldrd-strd.patch.txt
Description: Text document

Follow-Ups:
- [Patch, ARM][2/2] Create tune for Cortex-A15.
  - From: Greta Yorsh
- Re: [Patch, ARM][1/2] Add prefer_ldrd_strd field to tune
  - From: Richard Earnshaw

Index Nav:	[Date Index] [Subject Index] [Author Index] [Thread Index]
Message Nav:	[Date Prev] [Date Next]	[Thread Prev] [Thread Next]