[PATCH] AArch32 v8 NEON intrinsics for numeric max/min and directed rounding to integral

James Molloy james at jamesmolloy.co.uk
Fri Sep 5 07:00:27 PDT 2014


Hi Graham,

Committed as r217242.

Cheers,

James


On 5 September 2014 14:49, Graham Hunter <Graham.Hunter at arm.com> wrote:

> (Without the disclaimer this time -- oops)
>
> Hi James,
>
> Thanks for reviewing. (Tim as well)
>
> Updated patch attached, have retested and confirmed it all still passes.
>
> >  Do you need help committing?
>
> Yes please.
>
> -Graham
>
> From:  James Molloy <james at jamesmolloy.co.uk>
> Date:  Friday, 5 September 2014 13:35
> To:  Admin <Graham.Hunter at arm.com>
> Cc:  llvm cfe <cfe-commits at cs.uiuc.edu>
> Subject:  Re: [PATCH] AArch32 v8 NEON intrinsics for numeric max/min and
> directed rounding to integral
>
>
> Hi Graham,
> Thanks for working on this. The implementation looks fine to me, but in
> your testcase:
>
> +float32x2_t test_vrndx_f32(float32x2_t a) {
> +  // CHECK-LABEL: test_vrndx_f32
> +  // CHECK-LABEL: call <2 x float> @llvm.arm.neon.vrintx.v2f32(<2 x
> float> %a)
> +  return vrndx_f32(a);
> +}
>
>
> Only the first should be a CHECK-LABEL. The other should be a CHECK.
>
> CHECK-LABELs are only hints to FileCheck, used to help isolate individual
> testcases and prevent accidental crosstalk (matching one CHECK: line in
> another function accidentally).
>
> With those changed, LGTM.
>
> Do you need help committing?
>
> Cheers,
>
> James
>
>
>
> On 5 September 2014 12:12, Graham Hunter <Graham.Hunter at arm.com> wrote:
>
> Hi,
>
> This patch adds support for the 32bit numeric max/min and directed
> round-to-integral NEON intrinsics that were added as part of v8, along
> with unit tests.
>
> -Graham
>
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>
>
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>
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