-- SPDX-License-Identifier: Apache-2.0
--
-- Copyright (c) 2021 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.SSE2.Longs;
package body Orka.SIMD.SSE2.Integers.Shift is
type All_Bits_Count is new Integer range 0 .. 128;
use SIMD.SSE2.Longs;
function Shift_All_Bits_Left_Zeros
(Elements : m128l; Bits : All_Bits_Count) return m128l
with Import, Convention => Intrinsic, External_Name => "__builtin_ia32_pslldqi128";
-- Shift each bit to the left by the given amount of bits, shifting in zeros
function Shift_All_Bits_Right_Zeros
(Elements : m128l; Bits : All_Bits_Count) return m128l
with Import, Convention => Intrinsic, External_Name => "__builtin_ia32_psrldqi128";
-- Shift each bit to the right by the given amount of bits, shifting in zeros
----------------------------------------------------------------------------
function Convert is new Ada.Unchecked_Conversion (m128i, m128l);
function Convert is new Ada.Unchecked_Conversion (m128l, m128i);
function Shift_Elements_Left_Zeros (Elements : m128i) return m128i is
(Convert (Shift_All_Bits_Left_Zeros (Convert (Elements), Integer_32'Size)));
function Shift_Elements_Right_Zeros (Elements : m128i) return m128i is
(Convert (Shift_All_Bits_Right_Zeros (Convert (Elements), Integer_32'Size)));
end Orka.SIMD.SSE2.Integers.Shift;