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Re: [PATCH] PR66870 PowerPC64 Enable gold linker with split stack

From: "Lynn A. Boger" <laboger at linux dot vnet dot ibm dot com>
To: David Edelsohn <dje dot gcc at gmail dot com>
Cc: Ian Lance Taylor <iant at golang dot org>, Matthias Klose <doko at ubuntu dot com>, gcc-patches <gcc-patches at gcc dot gnu dot org>, Alan Modra <amodra at gmail dot com>
Date: Wed, 30 Sep 2015 07:42:21 -0500
Subject: Re: [PATCH] PR66870 PowerPC64 Enable gold linker with split stack
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References: <55D39752 dot 5090602 at linux dot vnet dot ibm dot com> <55D4DA0B dot 6000106 at ubuntu dot com> <55D50BBA dot 6060909 at linux dot vnet dot ibm dot com> <55DF7A72 dot 2040208 at linux dot vnet dot ibm dot com> <CAGWvnym=hEBrUUtp=ZmGNex_N92rA-ME93pXVtG638UYATNFrw at mail dot gmail dot com> <55F86277 dot 8010100 at linux dot vnet dot ibm dot com> <CAKOQZ8zQWx4oiok0FHDxOm7pX0StLJvhS5d=8YG4NM4Zrb8PDA at mail dot gmail dot com> <55FB10E7 dot 9090607 at linux dot vnet dot ibm dot com> <CAGWvnymiUxeUW4sEsDj13v4BXa2cjeE2iBXRX4JX9-mfOv0zbQ at mail dot gmail dot com>

Any update on this patch?

On 09/18/2015 07:48 AM, David Edelsohn wrote:

On Thu, Sep 17, 2015 at 3:13 PM, Lynn A. Boger
<laboger@linux.vnet.ibm.com> wrote:

Here is my updated patch, with the changes suggested by
Ian for gcc/gospec.c and David for gcc/configure.ac.

Bootstrap built and tested on ppc64le, ppc64 multilib.

2015-09-17    Lynn Boger <laboger@linux.vnet.ibm.com>
gcc/
             PR target/66870
             config/rs6000/sysv4.h:  Define TARGET_CAN_SPLIT_STACK_64BIT
             config.in:  Set up HAVE_GOLD_ALTERNATE_SPLIT_STACK
             configure.ac:  Define HAVE_GOLD_ALTERNATE_SPLIT_STACK
             on Power based on gold linker version
             configure:  Regenerate
             gcc.c:  Add -fuse-ld=gold to STACK_SPLIT_SPEC if
             HAVE_GOLD_ALTERNATE_SPLIT_STACK defined
             go/gospec.c:  (lang_specific_driver):  Set appropriate split
stack
             options for 64 bit compiles based on
TARGET_CAN_SPLIT_STACK_64BIT

The rs6000 bits are okay with me.

Ian needs to approve the go bits.  And Ian or a configure maintainer
needs to approve the other bits.

Thanks, David

References:
- Re: [PATCH] PR66870 PowerPC64 Enable gold linker with split stack
  - From: David Edelsohn
- Re: [PATCH] PR66870 PowerPC64 Enable gold linker with split stack
  - From: Lynn A. Boger
- Re: [PATCH] PR66870 PowerPC64 Enable gold linker with split stack
  - From: Ian Lance Taylor
- Re: [PATCH] PR66870 PowerPC64 Enable gold linker with split stack
  - From: Lynn A. Boger
- Re: [PATCH] PR66870 PowerPC64 Enable gold linker with split stack
  - From: David Edelsohn

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