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authorAdhemerval Zanella <azanella@linux.vnet.ibm.com>2014-03-07 06:09:47 -0600
committerAdhemerval Zanella <azanella@linux.vnet.ibm.com>2014-03-10 07:25:09 -0500
commitba9cc0714e58a9e8fa73cf6b0e205cbf1e6b71f2 (patch)
treef22f21e3972b49599186258fb2e748af8405a880 /stdio-common/bug17.c
parent8b4ff97413fc32ea7f817586bc682ff2cc34527b (diff)
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PowerPC: strncat optimization for PPC64
The optimization is achieved by following techniques:
1. Doubleword aligned memory access and compares using
   cmpb instruction.
2. Loop unrolling for byte load/store.
3. CPU pre-fetch to avoid cache miss.
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