Hi Dennis,
On 3/2/20 5:41 PM, Dennis Zhang wrote:
Hi all,
On 17/01/2020 16:46, Dennis Zhang wrote:
> Hi all,
>
> This patch is part of a series adding support for Armv8.6-A features.
> It depends on Arm BFMode patch
> https://gcc.gnu.org/ml/gcc-patches/2019-12/msg01448.html
>
> This patch implements intrinsics to convert between bfloat16 and
float32
> formats.
> ACLE documents are at https://developer.arm.com/docs/101028/latest
> ISA documents are at https://developer.arm.com/docs/ddi0596/latest
>
> Regression tested.
>
> Is it OK for trunk please?
Ok.
Thanks,
Kyrill
>
> Thanks,
> Dennis
>
> gcc/ChangeLog:
>
> 2020-01-17 Dennis Zhang <dennis.zh...@arm.com>
>
> * config/arm/arm_bf16.h (vcvtah_f32_bf16, vcvth_bf16_f32): New.
> * config/arm/arm_neon.h (vcvt_f32_bf16, vcvtq_low_f32_bf16): New.
> (vcvtq_high_f32_bf16, vcvt_bf16_f32): New.
> (vcvtq_low_bf16_f32, vcvtq_high_bf16_f32): New.
> * config/arm/arm_neon_builtins.def (vbfcvt, vbfcvt_high): New
entries.
> (vbfcvtv4sf, vbfcvtv4sf_high): Likewise.
> * config/arm/iterators.md (VBFCVT, VBFCVTM): New mode iterators.
> (V_bf_low, V_bf_cvt_m): New mode attributes.
> * config/arm/neon.md (neon_vbfcvtv4sf<VBFCVT:mode>): New.
> (neon_vbfcvtv4sf_highv8bf, neon_vbfcvtsf): New.
> (neon_vbfcvt<VBFCVT:mode>, neon_vbfcvt_highv8bf): New.
> (neon_vbfcvtbf_cvtmode<mode>, neon_vbfcvtbf): New
> * config/arm/unspecs.md (UNSPEC_BFCVT, UNSPEC_BFCVT_HIG): New.
>
> gcc/testsuite/ChangeLog:
>
> 2020-01-17 Dennis Zhang <dennis.zh...@arm.com>
>
> * gcc.target/arm/simd/bf16_cvt_1.c: New test.
>
>
The tests are updated in this patch for assembly test.
Rebased to trunk top.
Is it OK to commit please?
Cheers
Dennis
