John Bowler fcc0263191 [libpng15] Paeth filter speed improvements from work by Siarhei Siamashka. This ...

changes the 'Paeth' reconstruction function to improve the GCC code
generation on x86. The changes are only part of the suggested ones;
just the changes that definitely improve speed and remain simple.
The changes also slightly increase the clarity of the code. In a

2011-11-03 18:31:00 -05:00

1.9 KiB

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