From ddb93bbf12fc9d685e7ddbef703a886d67cbda9b Mon Sep 17 00:00:00 2001 From: Georgios Pinitas Date: Fri, 2 Oct 2020 16:38:59 +0100 Subject: COMPMID-3637: Move wrapper to src Signed-off-by: Georgios Pinitas Change-Id: I524b0c4b49c7a7035b7d078b9585d77b0d438e10 Reviewed-on: https://review.mlplatform.org/c/ml/ComputeLibrary/+/4083 Reviewed-by: Michele Di Giorgio Reviewed-by: Michalis Spyrou Comments-Addressed: Arm Jenkins --- src/core/NEON/wrapper/intrinsics/cvt.h | 96 ++++++++++++++++++++++++++++++++++ 1 file changed, 96 insertions(+) create mode 100644 src/core/NEON/wrapper/intrinsics/cvt.h (limited to 'src/core/NEON/wrapper/intrinsics/cvt.h') diff --git a/src/core/NEON/wrapper/intrinsics/cvt.h b/src/core/NEON/wrapper/intrinsics/cvt.h new file mode 100644 index 0000000000..6e79a92bc2 --- /dev/null +++ b/src/core/NEON/wrapper/intrinsics/cvt.h @@ -0,0 +1,96 @@ +/* + * Copyright (c) 2020 Arm Limited. + * + * SPDX-License-Identifier: MIT + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to + * deal in the Software without restriction, including without limitation the + * rights to use, copy, modify, merge, publish, distribute, sublicense, and/or + * sell copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in all + * copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE + * SOFTWARE. + */ +#ifndef ARM_COMPUTE_WRAPPER_CVT_H +#define ARM_COMPUTE_WRAPPER_CVT_H + +#include + +namespace arm_compute +{ +namespace wrapper +{ +#define VCVT_TO_F32_IMPL(ptype, vtype, prefix, postfix1, postfix2) \ + template \ + inline typename std::enable_if::value, float32x4_t>::type \ + vcvt(const vtype &a) \ + { \ + return prefix##_##postfix1##_##postfix2(a); \ + } + +VCVT_TO_F32_IMPL(float32x4_t, uint32x4_t, vcvtq, f32, u32) +VCVT_TO_F32_IMPL(float32x4_t, int32x4_t, vcvtq, f32, s32) +#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC +VCVT_TO_F32_IMPL(float32x4_t, float16x4_t, vcvt, f32, f16) +#endif // __ARM_FEATURE_FP16_VECTOR_ARITHMETIC +#undef VCVT_TO_F32_IMPL + +#ifdef __ARM_FEATURE_FP16_VECTOR_ARITHMETIC +#define VCVT_TO_F16_IMPL(ptype, vtype, prefix, postfix1, postfix2) \ + template \ + inline typename std::enable_if::value, float16x4_t>::type \ + vcvt(const vtype &a) \ + { \ + return prefix##_##postfix1##_##postfix2(a); \ + } + +VCVT_TO_F16_IMPL(float16x4_t, float32x4_t, vcvt, f16, f32) +#undef VCVT_TO_F16_IMPL +#endif // __ARM_FEATURE_FP16_VECTOR_ARITHMETIC + +template +inline typename std::enable_if::value, uint32x4_t>::type +vcvt(const float32x4_t &a) +{ + return vcvtq_u32_f32(a); +} + +template +inline typename std::enable_if::value, int32x4_t>::type +vcvt(const float32x4_t &a) +{ + return vcvtq_s32_f32(a); +} + +#if defined(__ARM_FEATURE_BF16_VECTOR_ARITHMETIC) || defined(ARM_COMPUTE_FORCE_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_FEATURE_BF16_VECTOR_ARITHMETIC) || defined(ARM_COMPUTE_FORCE_BF16) */ + +} // namespace wrapper +} // namespace arm_compute +#endif /* ARM_COMPUTE_WRAPPER_CVT_H */ -- cgit v1.2.1