-- SPDX-License-Identifier: Apache-2.0
--
-- Copyright (c) 2022 onox <denkpadje@gmail.com>
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
with Ada.Unchecked_Conversion;
with Orka.SIMD.AVX.Integers.Swizzle;
with Orka.SIMD.SSE2.Integers;
with Orka.SIMD.SSE2.Longs.Shift;
with Orka.SIMD.SSSE3.Longs.Shift;
package body Orka.SIMD.AVX.Longs.Shift.Emulation is
use SIMD.AVX.Integers;
use SIMD.AVX.Integers.Swizzle;
use SIMD.SSE2.Integers;
use SIMD.SSE2.Longs;
use SIMD.SSE2.Longs.Shift;
use SIMD.SSSE3.Longs.Shift;
function Convert is new Ada.Unchecked_Conversion (m256i, m256l);
function Convert is new Ada.Unchecked_Conversion (m256l, m256i);
function Convert is new Ada.Unchecked_Conversion (m128i, m128l);
function Convert is new Ada.Unchecked_Conversion (m128l, m128i);
function Shift_Elements_Left_Zeros (Elements : m256l) return m256l is
Low : constant m128l := Convert (Extract (Convert (Elements), 0));
High : constant m128l := Convert (Extract (Convert (Elements), 1));
begin
return Convert (Pack
(High => Convert (Align_Right_Bytes
(High, Low, (m128l'Length - 1) * m128l'Component_Size)),
Low => Convert (Shift_Elements_Left_Zeros (Low))));
end Shift_Elements_Left_Zeros;
function Shift_Elements_Right_Zeros (Elements : m256l) return m256l is
Low : constant m128l := Convert (Extract (Convert (Elements), 0));
High : constant m128l := Convert (Extract (Convert (Elements), 1));
begin
return Convert (Pack
(High => Convert (Shift_Elements_Right_Zeros (High)),
Low => Convert (Align_Right_Bytes (High, Low, m128l'Component_Size))));
end Shift_Elements_Right_Zeros;
end Orka.SIMD.AVX.Longs.Shift.Emulation;