aaru-dps/Aaru
1
0
Fork 0
mirror of https://github.com/aaru-dps/Aaru.git synced 2025-12-16 19:24:25 +00:00
Code Issues Packages Projects Releases Wiki Activity

General cleanup and refactor.

Browse Source
This commit is contained in:
Natalia Portillo
2022-03-07 07:36:42 +00:00
parent db8c5c6a53
commit 19c7f3d4ff
22 changed files with 1076 additions and 1544 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
Adler32/neon.cs
View File

@@ -45,12 +45,12 @@
// Copyright 2017 The Chromium Authors. All rights reserved.
// ****************************************************************************/
namespace Aaru.Checksums.Adler32;
using System.Runtime.Intrinsics;
using System.Runtime.Intrinsics.Arm;
namespace Aaru.Checksums.Adler32;
internal static class neon
static class neon
{
internal static void Step(ref ushort preSum1, ref ushort preSum2, byte[] buf, uint len)
{
@@ -60,7 +60,7 @@ internal static class neon
uint s1 = preSum1;
uint s2 = preSum2;
int bufPos = 0;
var bufPos = 0;
/*
* Process the data in blocks.
@@ -81,8 +81,8 @@ internal static class neon
* Process n blocks of data. At most NMAX data bytes can be
* processed before s2 must be reduced modulo ADLER_MODULE.
*/
Vector128<uint> v_s2 = Vector128.Create(s1 * n, 0, 0, 0);
Vector128<uint> v_s1 = Vector128.Create(0u, 0, 0, 0);
var v_s2 = Vector128.Create(s1 * n, 0, 0, 0);
var v_s1 = Vector128.Create(0u, 0, 0, 0);
Vector128<ushort> v_column_sum_1 = AdvSimd.DuplicateToVector128((ushort)0);
Vector128<ushort> v_column_sum_2 = AdvSimd.DuplicateToVector128((ushort)0);
Vector128<ushort> v_column_sum_3 = AdvSimd.DuplicateToVector128((ushort)0);
@@ -93,21 +93,17 @@ internal static class neon
/*
* Load 32 input bytes.
*/
Vector128<byte> bytes1 = Vector128.Create(buf[bufPos], buf[bufPos + 1], buf[bufPos + 2],
buf[bufPos + 3], buf[bufPos + 4], buf[bufPos + 5],
buf[bufPos + 6], buf[bufPos + 7], buf[bufPos + 8],
buf[bufPos + 9], buf[bufPos + 10], buf[bufPos + 11],
buf[bufPos + 12], buf[bufPos + 13], buf[bufPos + 14],
buf[bufPos + 15]);
var bytes1 = Vector128.Create(buf[bufPos], buf[bufPos + 1], buf[bufPos + 2], buf[bufPos + 3],
buf[bufPos + 4], buf[bufPos + 5], buf[bufPos + 6], buf[bufPos + 7],
buf[bufPos + 8], buf[bufPos + 9], buf[bufPos + 10], buf[bufPos + 11],
buf[bufPos + 12], buf[bufPos + 13], buf[bufPos + 14], buf[bufPos + 15]);
bufPos += 16;
Vector128<byte> bytes2 = Vector128.Create(buf[bufPos], buf[bufPos + 1], buf[bufPos + 2],
buf[bufPos + 3], buf[bufPos + 4], buf[bufPos + 5],
buf[bufPos + 6], buf[bufPos + 7], buf[bufPos + 8],
buf[bufPos + 9], buf[bufPos + 10], buf[bufPos + 11],
buf[bufPos + 12], buf[bufPos + 13], buf[bufPos + 14],
buf[bufPos + 15]);
var bytes2 = Vector128.Create(buf[bufPos], buf[bufPos + 1], buf[bufPos + 2], buf[bufPos + 3],
buf[bufPos + 4], buf[bufPos + 5], buf[bufPos + 6], buf[bufPos + 7],
buf[bufPos + 8], buf[bufPos + 9], buf[bufPos + 10], buf[bufPos + 11],
buf[bufPos + 12], buf[bufPos + 13], buf[bufPos + 14], buf[bufPos + 15]);
bufPos += 16;
/*
@@ -204,9 +200,7 @@ internal static class neon
}
while(len-- != 0)
{
s2 += s1 += buf[bufPos++];
}
if(s1 >= Adler32Context.ADLER_MODULE)
s1 -= Adler32Context.ADLER_MODULE;

36
Adler32/ssse3.cs
View File

@@ -45,19 +45,19 @@
// Copyright 2017 The Chromium Authors. All rights reserved.
// ****************************************************************************/
namespace Aaru.Checksums.Adler32;
using System;
using System.Runtime.Intrinsics;
using System.Runtime.Intrinsics.X86;
namespace Aaru.Checksums.Adler32;
internal static class Ssse3
static class Ssse3
{
internal static void Step(ref ushort sum1, ref ushort sum2, byte[] buf, uint len)
{
uint s1 = sum1;
uint s2 = sum2;
int bufPos = 0;
var bufPos = 0;
/*
* Process the data in blocks.
@@ -78,33 +78,33 @@ internal static class Ssse3
Vector128<byte> tap1 = Vector128.Create(32, 31, 30, 29, 28, 27, 26, 25, 24, 23, 22, 21, 20, 19, 18, 17).
AsByte();
Vector128<byte> tap2 = Vector128.Create(16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1).AsByte();
Vector128<byte> zero = Vector128.Create(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0).AsByte();
Vector128<short> ones = Vector128.Create(1, 1, 1, 1, 1, 1, 1, 1);
Vector128<byte> tap2 = Vector128.Create(16, 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1).AsByte();
Vector128<byte> zero = Vector128.Create(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0).AsByte();
var ones = Vector128.Create(1, 1, 1, 1, 1, 1, 1, 1);
/*
* Process n blocks of data. At most NMAX data bytes can be
* processed before s2 must be reduced modulo BASE.
*/
Vector128<uint> v_ps = Vector128.Create(s1 * n, 0, 0, 0);
Vector128<uint> v_s2 = Vector128.Create(s2, 0, 0, 0);
Vector128<uint> v_s1 = Vector128.Create(0u, 0, 0, 0);
var v_ps = Vector128.Create(s1 * n, 0, 0, 0);
var v_s2 = Vector128.Create(s2, 0, 0, 0);
var v_s1 = Vector128.Create(0u, 0, 0, 0);
do
{
/*
* Load 32 input bytes.
*/
Vector128<uint> bytes1 = Vector128.Create(BitConverter.ToUInt32(buf, bufPos),
BitConverter.ToUInt32(buf, bufPos + 4),
BitConverter.ToUInt32(buf, bufPos + 8),
BitConverter.ToUInt32(buf, bufPos + 12));
var bytes1 = Vector128.Create(BitConverter.ToUInt32(buf, bufPos),
BitConverter.ToUInt32(buf, bufPos + 4),
BitConverter.ToUInt32(buf, bufPos + 8),
BitConverter.ToUInt32(buf, bufPos + 12));
bufPos += 16;
Vector128<uint> bytes2 = Vector128.Create(BitConverter.ToUInt32(buf, bufPos),
BitConverter.ToUInt32(buf, bufPos + 4),
BitConverter.ToUInt32(buf, bufPos + 8),
BitConverter.ToUInt32(buf, bufPos + 12));
var bytes2 = Vector128.Create(BitConverter.ToUInt32(buf, bufPos),
BitConverter.ToUInt32(buf, bufPos + 4),
BitConverter.ToUInt32(buf, bufPos + 8),
BitConverter.ToUInt32(buf, bufPos + 12));
bufPos += 16;