Adhemerval Zanella 6eaf95cbfa PowerPC: optimized strcspn for PPC64/POWER7 ...

This patch add a optimized strcspn for POWER7 by using a different
algorithm than default implementation: it constructs a table based on
the 'accept' argument and use this table to check for any occurance
on the input string. The idea is similar as x86_64 uses.
For PowerPC some tunings were added, such as unroll loops and align
stack memory to table to 16 bytes (so VSX clean can ran without
alignment issues).

2014-03-20 11:24:52 -05:00

1.2 KiB

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