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Age	Commit message (Collapse)	Author	Files	Lines
2014-12-02	powerpc: Add powerpc64 strcspn optimization	Adhemerval Zanella	1	-40/+0
	This patch makes the POWER7 optimized strcspn generic by using default doubleword stores to zero the hash, instead of VSX instructions. Performance on POWER7/POWER8 does not change.
2014-03-20	PowerPC: optimized strcspn for PPC64/POWER7	Adhemerval Zanella	1	-0/+40
	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).