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| author | Egor Bogatov <egorbo@gmail.com> | 2019-01-04 04:34:39 +0300 |
|---|---|---|
| committer | Jan Kotas <jkotas@microsoft.com> | 2019-01-03 15:34:39 -1000 |
| commit | 0a294abdcff0281da1ad8eeb450b4e812030b269 (patch) | |
| tree | 5e4365ef11e004b73cfa5fff8954c1360ce95758 /src/System.Private.CoreLib/shared/System | |
| parent | 8d2f4ed72a9d48164a4c8147fe7911e62a5d9594 (diff) | |
| download | coreclr-0a294abdcff0281da1ad8eeb450b4e812030b269.tar.gz coreclr-0a294abdcff0281da1ad8eeb450b4e812030b269.tar.bz2 coreclr-0a294abdcff0281da1ad8eeb450b4e812030b269.zip | |
Eliminate some bounds checks in Path (#21721)
Diffstat (limited to 'src/System.Private.CoreLib/shared/System')
| -rw-r--r-- | src/System.Private.CoreLib/shared/System/IO/Path.cs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/src/System.Private.CoreLib/shared/System/IO/Path.cs b/src/System.Private.CoreLib/shared/System/IO/Path.cs index 364b8472cf..3c9fc3ed24 100644 --- a/src/System.Private.CoreLib/shared/System/IO/Path.cs +++ b/src/System.Private.CoreLib/shared/System/IO/Path.cs @@ -673,6 +673,9 @@ namespace System.IO byte b3 = bytes[3]; byte b4 = bytes[4]; + // write to chars[11] first in order to eliminate redundant bounds checks + chars[11] = (char)Base32Char[bytes[7] & 0x1F]; + // Consume the 5 Least significant bits of the first 5 bytes chars[0] = (char)Base32Char[b0 & 0x1F]; chars[1] = (char)Base32Char[b1 & 0x1F]; @@ -707,7 +710,6 @@ namespace System.IO // Consume the 5 Least significant bits of the remaining 3 bytes chars[9] = (char)Base32Char[bytes[5] & 0x1F]; chars[10] = (char)Base32Char[bytes[6] & 0x1F]; - chars[11] = (char)Base32Char[bytes[7] & 0x1F]; } /// <summary> |