mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-26 23:10:06 +00:00
f53790272c
No bug. This commit adds optimized cased for less_vec memset case that uses the avx512vl/avx512bw mask store avoiding the excessive branches. test-memset and test-wmemset are passing. Signed-off-by: Noah Goldstein <goldstein.w.n@gmail.com>
25 lines
591 B
ArmAsm
25 lines
591 B
ArmAsm
#if IS_IN (libc)
|
|
# define VEC_SIZE 64
|
|
# define XMM0 xmm16
|
|
# define YMM0 ymm16
|
|
# define VEC0 zmm16
|
|
# define VEC(i) VEC##i
|
|
# define VMOVU vmovdqu64
|
|
# define VMOVA vmovdqa64
|
|
# define VZEROUPPER
|
|
|
|
# define MEMSET_VDUP_TO_VEC0_AND_SET_RETURN(d, r) \
|
|
movq r, %rax; \
|
|
vpbroadcastb d, %VEC0
|
|
|
|
# define WMEMSET_VDUP_TO_VEC0_AND_SET_RETURN(d, r) \
|
|
movq r, %rax; \
|
|
vpbroadcastd d, %VEC0
|
|
|
|
# define SECTION(p) p##.evex512
|
|
# define MEMSET_SYMBOL(p,s) p##_avx512_##s
|
|
# define WMEMSET_SYMBOL(p,s) p##_avx512_##s
|
|
# define USE_LESS_VEC_MASK_STORE 1
|
|
# include "memset-vec-unaligned-erms.S"
|
|
#endif
|