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author | Vidya Ranganathan <vidya@linux.vnet.ibm.com> | 2014-05-05 19:10:45 -0500 |
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committer | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2014-05-06 09:54:25 -0500 |
commit | f360f94a05570045be615649e9a411cefba2e210 (patch) | |
tree | ac6fb86d01ea80b3bf914c2f74aa231b42bfda28 /sysdeps/unix/sysv/linux/sparc/bits | |
parent | 978a41c35738dbe4592edb7dcaa155fec31dab50 (diff) | |
download | glibc-f360f94a05570045be615649e9a411cefba2e210.tar.gz glibc-f360f94a05570045be615649e9a411cefba2e210.tar.xz glibc-f360f94a05570045be615649e9a411cefba2e210.zip |
PowerPC: strncpy/stpncpy optimization for PPC64/POWER7
The optimization is achieved by following techniques: > data alignment [gain from aligned memory access on read/write] > POWER7 gains performance with loop unrolling/unwinding [gain by reduction of branch penalty]. > zero padding done by calling optimized memset
Diffstat (limited to 'sysdeps/unix/sysv/linux/sparc/bits')
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