| commit | 87868c2418fb74357757e3b739ce5b76b17a8929 | |
| author | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | |
| Wed, 25 Jun 2014 16:54:31 +0000 (25 11:54 -0500) | ||
| committer | Adhemerval Zanella <azanella@linux.vnet.ibm.com> | |
| Mon, 7 Jul 2014 20:41:27 +0000 (7 15:41 -0500) | ||
| tree | 9ec2b1d9a4c0cf6af2a4306e09a11fc992bea94c | treesnapshot (tar.gz zip) |
| parent | 07aedd78b095093e866efd4809a80090e2b91a0b | commitdiff |
PowerPC: Align power7 memcpy using VSX to quadword
This patch changes power7 memcpy to use VSX instructions only when
memory is aligned to quardword. It is to avoid unaligned kernel traps
on non-cacheable memory (for instance, memory-mapped I/O).
This patch changes power7 memcpy to use VSX instructions only when
memory is aligned to quardword. It is to avoid unaligned kernel traps
on non-cacheable memory (for instance, memory-mapped I/O).
| ChangeLog | diffblobblamehistory | |
| sysdeps/powerpc/powerpc32/power7/memcpy.S | diffblobblamehistory | |
| sysdeps/powerpc/powerpc64/power7/memcpy.S | diffblobblamehistory |