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| author | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2014-03-07 06:09:47 -0600 |
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| committer | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | 2014-03-10 07:25:09 -0500 |
| commit | ba9cc0714e58a9e8fa73cf6b0e205cbf1e6b71f2 (patch) | |
| tree | f22f21e3972b49599186258fb2e748af8405a880 /posix/tst-execlp2.c | |
| parent | 8b4ff97413fc32ea7f817586bc682ff2cc34527b (diff) | |
| download | glibc-ba9cc0714e58a9e8fa73cf6b0e205cbf1e6b71f2.tar.gz glibc-ba9cc0714e58a9e8fa73cf6b0e205cbf1e6b71f2.tar.xz glibc-ba9cc0714e58a9e8fa73cf6b0e205cbf1e6b71f2.zip | |
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.
Diffstat (limited to 'posix/tst-execlp2.c')
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