On Thu, Nov 16, 2017 at 2:46 PM, Dylan Baker <dy...@pnwbakers.com> wrote:
> This patch checks for an and then enables sse4.1 optimizations if the
> host machine will be x86/x86_64.
>
> v2: - Don't compile code, it's unnecessary since we require a compiler
> which always has SSE4.1 (Matt)
>
> Signed-off-by: Dylan Baker <dylanx.c.ba...@intel.com>
> Reviewed-by: Eric Engestrom <eric.engest...@imgtec.com> (v1)
> ---
> meson.build | 15 ++++++++++++++-
> src/mesa/meson.build | 14 +++++++++++---
> 2 files changed, 25 insertions(+), 4 deletions(-)
>
> diff --git a/meson.build b/meson.build
> index 383ebb36662..2df4610a2fd 100644
> --- a/meson.build
> +++ b/meson.build
> @@ -502,7 +502,20 @@ foreach a : ['-Wno-override-init',
> '-Wno-initializer-overrides']
> endif
> endforeach
>
> -# TODO: SSE41 (which is only required for core mesa)
> +if host_machine.cpu_family().startswith('x86')
> + pre_args += '-DHAVE_SSE41'
> + with_sse41 = true
> + sse41_args = ['-msse4.1']
> +
> + # GCC on x86 (not x64) with -msse* assumes a 16 byte aligned stack, but
Please s/x64/x86-64/ or s/x64/x86_64/ since you use .startswith('x86')
a few lines above (and I find x64 moniker annoying)
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