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Diffstat (limited to 'ChangeLog')
| -rw-r--r-- | ChangeLog | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/ChangeLog b/ChangeLog index f33fecf2bd..a32946ab38 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,29 @@ +2016-04-12 H.J. Lu <hongjiu.lu@intel.com> + + [BZ #19928] + * sysdeps/x86_64/cacheinfo.c (__x86_shared_non_temporal_threshold): + New. + (init_cacheinfo): Set __x86_shared_non_temporal_threshold to 6 + times of shared cache size. + * sysdeps/x86_64/multiarch/memmove-avx-unaligned-erms.S + (VMOVNT): New. + * sysdeps/x86_64/multiarch/memmove-avx512-unaligned-erms.S + (VMOVNT): Likewise. + * sysdeps/x86_64/multiarch/memmove-sse2-unaligned-erms.S + (VMOVNT): Likewise. + (VMOVU): Changed to movups for smaller code sizes. + (VMOVA): Changed to movaps for smaller code sizes. + * sysdeps/x86_64/multiarch/memmove-vec-unaligned-erms.S: Update + comments. + (PREFETCH): New. + (PREFETCH_SIZE): Likewise. + (PREFETCHED_LOAD_SIZE): Likewise. + (PREFETCH_ONE_SET): Likewise. + Rewrite to use forward and backward loops, which move 4 vector + registers at a time, to support overlapping addresses and use + non temporal store if size is above the threshold and there is + no overlap between destination and source. + 2016-04-12 Alex Smith <alex.smith@imgtec.com> * sysdeps/unix/sysv/linux/mips/Makefile (sysdep_routines): |