mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-30 08:40:07 +00:00
7ebba91361
Since VZEROUPPER triggers RTM abort while VZEROALL won't, select AVX optimized string/memory functions with xtest jz 1f vzeroall ret 1: vzeroupper ret at function exit on processors with usable RTM, but without 256-bit EVEX instructions to avoid VZEROUPPER inside a transactionally executing RTM region.
11 lines
290 B
ArmAsm
11 lines
290 B
ArmAsm
#define ZERO_UPPER_VEC_REGISTERS_RETURN \
|
|
ZERO_UPPER_VEC_REGISTERS_RETURN_XTEST
|
|
|
|
#define VZEROUPPER_RETURN jmp L(return)
|
|
|
|
#define SECTION(p) p##.avx.rtm
|
|
#define MEMSET_SYMBOL(p,s) p##_avx2_##s##_rtm
|
|
#define WMEMSET_SYMBOL(p,s) p##_avx2_##s##_rtm
|
|
|
|
#include "memset-avx2-unaligned-erms.S"
|