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authorPaul E. Murphy <murphyp@linux.vnet.ibm.com>2016-03-14 17:40:46 -0400
committerPaul E. Murphy <murphyp@linux.vnet.ibm.com>2016-04-07 15:51:28 -0500
commit25dba0ad054723196fb633ba5d8a463ef5cb775c (patch)
tree03f9259662b03ea65b00bc6721afba2d47104bef /timezone
parent1d2a8245ff7bcc1d8be54f01e26c49297e446aba (diff)
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powerpc: Add optimized P8 strspn
This utilizes vectors and bitmasks.  For small needle, large
haystack, the performance improvement is upto 8x.  For short
strings (0-4B), the cost of computing the bitmask dominates,
and is a tad slower.
Diffstat (limited to 'timezone')
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