From 6bcdc578a388782f5ec80ec348c5dd3f5c1f8363 Mon Sep 17 00:00:00 2001 From: Pablo Marquez Tello Date: Wed, 11 Jan 2023 09:54:00 +0000 Subject: Deprecated BF16 support in DepthConvert * Removed BF16 validation tests for DepthConvert * Revert back to using inline assembly to convert to/from BF16 * Resolves COMPMID-5800 Change-Id: I803b2ad19ead297417f780c97c5b724cca6b394c Signed-off-by: Pablo Marquez Tello Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/8929 Reviewed-by: Jakub Sujak Reviewed-by: Viet-Hoa Do Comments-Addressed: Arm Jenkins Benchmark: Arm Jenkins Tested-by: Arm Jenkins --- src/core/NEON/wrapper/intrinsics/cvt.h | 22 +++++++++++++++++++++- 1 file changed, 21 insertions(+), 1 deletion(-) (limited to 'src/core') diff --git a/src/core/NEON/wrapper/intrinsics/cvt.h b/src/core/NEON/wrapper/intrinsics/cvt.h index c75d43dbf2..1c77a9e9f0 100644 --- a/src/core/NEON/wrapper/intrinsics/cvt.h +++ b/src/core/NEON/wrapper/intrinsics/cvt.h @@ -1,5 +1,5 @@ /* - * Copyright (c) 2020, 2022 Arm Limited. + * Copyright (c) 2020, 2022-2023 Arm Limited. * * SPDX-License-Identifier: MIT * @@ -87,6 +87,26 @@ vcvta(const float32x4_t &a) return vcvtaq_s32_f32(a); } #endif //__aarch64__ + +#if defined(ARM_COMPUTE_ENABLE_BF16) +/** Convert 2x128-bit floating point vectors into 1x128-bit bfloat16 vector + * + * @param[in] inptr Pointer to the input memory to load values from + * @param[in,out] outptr Pointer to the output memory to store values to + */ +inline void vcvt_bf16_f32(const float *inptr, uint16_t *outptr) +{ + __asm __volatile( + "ldp q0, q1, [%[inptr]]\n" + ".inst 0xea16800\n" // BFCVTN v0, v0 + ".inst 0x4ea16820\n" // BFCVTN2 v0, v1 + "str q0, [%[outptr]]\n" + : [inptr] "+r"(inptr) + : [outptr] "r"(outptr) + : "v0", "v1", "memory"); +} +#endif /* defined(ARM_COMPUTE_ENABLE_BF16) */ + } // namespace wrapper } // namespace arm_compute #endif /* ARM_COMPUTE_WRAPPER_CVT_H */ -- cgit v1.2.1