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Re: [Qemu-devel] [PATCH v3 0/2] AVX2 configure fixes
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-devel] [PATCH v3 0/2] AVX2 configure fixes |
Date: |
Mon, 13 Jun 2016 11:31:00 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.1.0 |
On 10/06/2016 13:16, Dr. David Alan Gilbert (git) wrote:
> From: "Dr. David Alan Gilbert" <address@hidden>
>
> Hi,
> This pair of patches fixes a couple of issues that we found during test.
> The first is that the configure test is pessimistic when compiled with -O2,
> the second is that the explicit 4.9 gcc test is a bit coarse; I've removed
> that test but beefed up the ./configure test to actually use the avx2
> intrinsics and that fails in the same way as the main code, so it works
> in the same way as the explicit check but allows older gcc's to work
> when -save-temps isn't used.
>
> Dave
>
> v3
> Use compile_object rather than compile_prog as suggested by Peter to
> hopefully fail on his ccache setup.
Queued, thanks.
Paolo
> v2
> Remove the explicit version check
> Split the patches
>
>
> Dr. David Alan Gilbert (2):
> Make avx2 configure test work with -O2
> avx2 configure: Use primitives in test
>
> configure | 17 ++++++++++++-----
> util/cutils.c | 8 +-------
> 2 files changed, 13 insertions(+), 12 deletions(-)
>