diff options
| author | Berkan Diler <b.diler@gmx.de> | 2022-02-17 21:38:50 +0100 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2022-02-17 21:38:50 +0100 |
| commit | 9ca040c0ff66e8ad928b6fb109401a5b4b53a74d (patch) | |
| tree | d8dd00bf459a2c894ff393c09afd60e96b57bcc4 /ARMeilleure/Instructions | |
| parent | 7e9011673b1593aa2b318e312e0b31379e2e57e4 (diff) | |
Use ReadOnlySpan<byte> compiler optimization for static data (#3130)1.1.34
Diffstat (limited to 'ARMeilleure/Instructions')
| -rw-r--r-- | ARMeilleure/Instructions/CryptoHelper.cs | 21 | ||||
| -rw-r--r-- | ARMeilleure/Instructions/SoftFallback.cs | 2 |
2 files changed, 12 insertions, 11 deletions
diff --git a/ARMeilleure/Instructions/CryptoHelper.cs b/ARMeilleure/Instructions/CryptoHelper.cs index b6b4a62d..e517c75d 100644 --- a/ARMeilleure/Instructions/CryptoHelper.cs +++ b/ARMeilleure/Instructions/CryptoHelper.cs @@ -1,13 +1,14 @@ // https://www.intel.com/content/dam/doc/white-paper/advanced-encryption-standard-new-instructions-set-paper.pdf using ARMeilleure.State; +using System; namespace ARMeilleure.Instructions { static class CryptoHelper { #region "LookUp Tables" - private static readonly byte[] _sBox = new byte[] + private static ReadOnlySpan<byte> _sBox => new byte[] { 0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5, 0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76, 0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0, 0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0, @@ -27,7 +28,7 @@ namespace ARMeilleure.Instructions 0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68, 0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16 }; - private static readonly byte[] _invSBox = new byte[] + private static ReadOnlySpan<byte> _invSBox => new byte[] { 0x52, 0x09, 0x6a, 0xd5, 0x30, 0x36, 0xa5, 0x38, 0xbf, 0x40, 0xa3, 0x9e, 0x81, 0xf3, 0xd7, 0xfb, 0x7c, 0xe3, 0x39, 0x82, 0x9b, 0x2f, 0xff, 0x87, 0x34, 0x8e, 0x43, 0x44, 0xc4, 0xde, 0xe9, 0xcb, @@ -47,7 +48,7 @@ namespace ARMeilleure.Instructions 0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26, 0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d }; - private static readonly byte[] _gfMul02 = new byte[] + private static ReadOnlySpan<byte> _gfMul02 => new byte[] { 0x00, 0x02, 0x04, 0x06, 0x08, 0x0a, 0x0c, 0x0e, 0x10, 0x12, 0x14, 0x16, 0x18, 0x1a, 0x1c, 0x1e, 0x20, 0x22, 0x24, 0x26, 0x28, 0x2a, 0x2c, 0x2e, 0x30, 0x32, 0x34, 0x36, 0x38, 0x3a, 0x3c, 0x3e, @@ -67,7 +68,7 @@ namespace ARMeilleure.Instructions 0xfb, 0xf9, 0xff, 0xfd, 0xf3, 0xf1, 0xf7, 0xf5, 0xeb, 0xe9, 0xef, 0xed, 0xe3, 0xe1, 0xe7, 0xe5 }; - private static readonly byte[] _gfMul03 = new byte[] + private static ReadOnlySpan<byte> _gfMul03 => new byte[] { 0x00, 0x03, 0x06, 0x05, 0x0c, 0x0f, 0x0a, 0x09, 0x18, 0x1b, 0x1e, 0x1d, 0x14, 0x17, 0x12, 0x11, 0x30, 0x33, 0x36, 0x35, 0x3c, 0x3f, 0x3a, 0x39, 0x28, 0x2b, 0x2e, 0x2d, 0x24, 0x27, 0x22, 0x21, @@ -87,7 +88,7 @@ namespace ARMeilleure.Instructions 0x0b, 0x08, 0x0d, 0x0e, 0x07, 0x04, 0x01, 0x02, 0x13, 0x10, 0x15, 0x16, 0x1f, 0x1c, 0x19, 0x1a }; - private static readonly byte[] _gfMul09 = new byte[] + private static ReadOnlySpan<byte> _gfMul09 => new byte[] { 0x00, 0x09, 0x12, 0x1b, 0x24, 0x2d, 0x36, 0x3f, 0x48, 0x41, 0x5a, 0x53, 0x6c, 0x65, 0x7e, 0x77, 0x90, 0x99, 0x82, 0x8b, 0xb4, 0xbd, 0xa6, 0xaf, 0xd8, 0xd1, 0xca, 0xc3, 0xfc, 0xf5, 0xee, 0xe7, @@ -107,7 +108,7 @@ namespace ARMeilleure.Instructions 0x31, 0x38, 0x23, 0x2a, 0x15, 0x1c, 0x07, 0x0e, 0x79, 0x70, 0x6b, 0x62, 0x5d, 0x54, 0x4f, 0x46 }; - private static readonly byte[] _gfMul0B = new byte[] + private static ReadOnlySpan<byte> _gfMul0B => new byte[] { 0x00, 0x0b, 0x16, 0x1d, 0x2c, 0x27, 0x3a, 0x31, 0x58, 0x53, 0x4e, 0x45, 0x74, 0x7f, 0x62, 0x69, 0xb0, 0xbb, 0xa6, 0xad, 0x9c, 0x97, 0x8a, 0x81, 0xe8, 0xe3, 0xfe, 0xf5, 0xc4, 0xcf, 0xd2, 0xd9, @@ -127,7 +128,7 @@ namespace ARMeilleure.Instructions 0xca, 0xc1, 0xdc, 0xd7, 0xe6, 0xed, 0xf0, 0xfb, 0x92, 0x99, 0x84, 0x8f, 0xbe, 0xb5, 0xa8, 0xa3 }; - private static readonly byte[] _gfMul0D = new byte[] + private static ReadOnlySpan<byte> _gfMul0D => new byte[] { 0x00, 0x0d, 0x1a, 0x17, 0x34, 0x39, 0x2e, 0x23, 0x68, 0x65, 0x72, 0x7f, 0x5c, 0x51, 0x46, 0x4b, 0xd0, 0xdd, 0xca, 0xc7, 0xe4, 0xe9, 0xfe, 0xf3, 0xb8, 0xb5, 0xa2, 0xaf, 0x8c, 0x81, 0x96, 0x9b, @@ -147,7 +148,7 @@ namespace ARMeilleure.Instructions 0xdc, 0xd1, 0xc6, 0xcb, 0xe8, 0xe5, 0xf2, 0xff, 0xb4, 0xb9, 0xae, 0xa3, 0x80, 0x8d, 0x9a, 0x97 }; - private static readonly byte[] _gfMul0E = new byte[] + private static ReadOnlySpan<byte> _gfMul0E => new byte[] { 0x00, 0x0e, 0x1c, 0x12, 0x38, 0x36, 0x24, 0x2a, 0x70, 0x7e, 0x6c, 0x62, 0x48, 0x46, 0x54, 0x5a, 0xe0, 0xee, 0xfc, 0xf2, 0xd8, 0xd6, 0xc4, 0xca, 0x90, 0x9e, 0x8c, 0x82, 0xa8, 0xa6, 0xb4, 0xba, @@ -167,12 +168,12 @@ namespace ARMeilleure.Instructions 0xd7, 0xd9, 0xcb, 0xc5, 0xef, 0xe1, 0xf3, 0xfd, 0xa7, 0xa9, 0xbb, 0xb5, 0x9f, 0x91, 0x83, 0x8d }; - private static readonly byte[] _srPerm = new byte[] + private static ReadOnlySpan<byte> _srPerm => new byte[] { 0, 13, 10, 7, 4, 1, 14, 11, 8, 5, 2, 15, 12, 9, 6, 3 }; - private static readonly byte[] _isrPerm = new byte[] + private static ReadOnlySpan<byte> _isrPerm => new byte[] { 0, 5, 10, 15, 4, 9, 14, 3, 8, 13, 2, 7, 12, 1, 6, 11 }; diff --git a/ARMeilleure/Instructions/SoftFallback.cs b/ARMeilleure/Instructions/SoftFallback.cs index 3ff6483d..d9e43021 100644 --- a/ARMeilleure/Instructions/SoftFallback.cs +++ b/ARMeilleure/Instructions/SoftFallback.cs @@ -824,7 +824,7 @@ namespace ARMeilleure.Instructions return (ulong)(size - 1); } - private static readonly byte[] ClzNibbleTbl = { 4, 3, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 }; + private static ReadOnlySpan<byte> ClzNibbleTbl => new byte[] { 4, 3, 2, 2, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0 }; public static ulong CountLeadingZeros(ulong value, int size) // size is 8, 16, 32 or 64 (SIMD&FP or Base Inst.). { |