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Re: [patch] More robust fix for PR target/66488
- From: Richard Biener <richard dot guenther at gmail dot com>
- To: Eric Botcazou <ebotcazou at adacore dot com>
- Cc: GCC Patches <gcc-patches at gcc dot gnu dot org>
- Date: Fri, 15 Dec 2017 11:51:09 +0100
- Subject: Re: [patch] More robust fix for PR target/66488
- Authentication-results: sourceware.org; auth=none
- References: <5525269.MjqfCIikzZ@polaris>
On Fri, Dec 15, 2017 at 10:38 AM, Eric Botcazou <ebotcazou@adacore.com> wrote:
> Hi,
>
> this PR was about the blow-up of the garbage collector on x86_64-w64-mingw32
> when more than 3 GB are allocated. The fix was to set HOST_BITS_PER_PTR to
> the appropriate value (64) in config/i386/xm-mingw32.h.
>
> This means that the same issue can happen on other P64 hosts so the attached
> patch replaces the fix by a more robust variant. And I'm proposing that it be
> installed on all active branches (the original fix is not on the 6 branch).
>
> Tested on x86_64-w64-mingw32 (6 branch) and x86_64-suse-linux (mainline), OK?
Ok.
Thanks,
Richard.
>
> 2017-12-15 Eric Botcazou <ebotcazou@adacore.com>
>
> PR target/66488
> * ggc-page.c (HOST_BITS_PER_PTR): Do not define here...
> * hwint.h (HOST_BITS_PER_PTR): ...but here instead.
> * config/i386/xm-mingw32.h (HOST_BITS_PER_PTR): Delete.
>
> --
> Eric Botcazou