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| author | Přemysl Eric Janouch <p@janouch.name> | 2021-07-09 04:36:43 +0200 |
|---|---|---|
| committer | Přemysl Eric Janouch <p@janouch.name> | 2021-07-09 05:16:37 +0200 |
| commit | 98612f549202c491c9b97df54e77d413a8e35e8d (patch) | |
| tree | 0784249facf2d5a3911d420ceebe63411497a062 /sdn.1 | |
| parent | 1034321f812a3e620063c21b7ce7a0d88be8ede2 (diff) | |
| download | sdn-98612f549202c491c9b97df54e77d413a8e35e8d.tar.gz sdn-98612f549202c491c9b97df54e77d413a8e35e8d.tar.xz sdn-98612f549202c491c9b97df54e77d413a8e35e8d.zip | |
Improve C-char parsing
I was hoping that a superoptimiser would help me find a miraculous
branchless equation to cover it, but in the end the branching
doesn't hurt at all in our case.
It's more readable than `(((char >> 2) - 0x38) & 0x60) ^ char`
or `(char ^ 0x40) & (((char >> 1) ^ 0x20) | 0x5f)`.
Diffstat (limited to 'sdn.1')
0 files changed, 0 insertions, 0 deletions