glibc/sysdeps
H.J. Lu a182bb7a39 x86-64: Remove Prefer_AVX2_STRCMP
Remove Prefer_AVX2_STRCMP to enable EVEX strcmp.  When comparing 2 32-byte
strings, EVEX strcmp has been improved to require 1 load, 1 VPTESTM, 1
VPCMP, 1 KMOVD and 1 INCL instead of 2 loads, 3 VPCMPs, 2 KORDs, 1 KMOVD
and 1 TESTL while AVX2 strcmp requires 1 load, 2 VPCMPEQs, 1 VPMINU, 1
VPMOVMSKB and 1 TESTL.  EVEX strcmp is now faster than AVX2 strcmp by up
to 40% on Tiger Lake and Ice Lake.

(cherry picked from commit 14dbbf46a0)
2022-04-26 18:18:16 -07:00
..
aarch64 elf: Fix runtime linker auditing on aarch64 (BZ #26643) 2022-04-12 13:33:10 -04:00
alpha elf: Add _dl_audit_pltexit 2022-04-08 14:18:12 -04:00
arc elf: Fix dynamic-link.h usage on rtld.c 2022-04-08 14:18:11 -04:00
arm elf: Add _dl_audit_pltexit 2022-04-08 14:18:12 -04:00
csky elf: Fix dynamic-link.h usage on rtld.c 2022-04-08 14:18:11 -04:00
generic elf: Fix runtime linker auditing on aarch64 (BZ #26643) 2022-04-12 13:33:10 -04:00
gnu hurd: Fix glob lstat compatibility 2021-07-22 20:31:52 +02:00
hppa hppa: Fix bind-now audit (BZ #28857) 2022-04-12 13:33:17 -04:00
htl htl: Do not expose pthread hidden proto outside libpthread 2021-07-18 20:25:33 +00:00
hurd Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
i386 elf: Add _dl_audit_pltexit 2022-04-08 14:18:12 -04:00
ia64 elf: Issue la_symbind for bind-now (BZ #23734) 2022-04-12 13:32:59 -04:00
ieee754 Update math: redirect roundeven function 2021-06-27 07:56:57 -07:00
m68k elf: Add _dl_audit_pltexit 2022-04-08 14:18:12 -04:00
mach hurd if_index: Explicitly use AF_INET for if index discovery 2022-02-03 16:22:04 +01:00
microblaze elf: Fix dynamic-link.h usage on rtld.c 2022-04-08 14:18:11 -04:00
mips elf: Add _dl_audit_pltexit 2022-04-08 14:18:12 -04:00
nios2 elf: Fix dynamic-link.h usage on rtld.c 2022-04-08 14:18:11 -04:00
nptl nptl: Handle spurious EINTR when thread cancellation is disabled (BZ#29029) 2022-04-15 09:52:54 -03:00
posix getcwd: Set errno to ERANGE for size == 1 (CVE-2021-3999) 2022-01-24 11:37:06 +05:30
powerpc elf: Issue la_symbind for bind-now (BZ #23734) 2022-04-12 13:32:59 -04:00
pthread nptl: Handle spurious EINTR when thread cancellation is disabled (BZ#29029) 2022-04-15 09:52:54 -03:00
riscv elf: Fix dynamic-link.h usage on rtld.c 2022-04-08 14:18:11 -04:00
s390 S390: Add new s390 platform z16. 2022-04-14 14:21:57 +02:00
sh elf: Add _dl_audit_pltexit 2022-04-08 14:18:12 -04:00
sparc elf: Add _dl_audit_pltexit 2022-04-08 14:18:12 -04:00
unix Default to --with-default-link=no (bug 25812) 2022-04-22 11:31:14 +02:00
wordsize-32 Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
wordsize-64 Update copyright dates with scripts/update-copyrights 2021-01-02 12:17:34 -08:00
x86 x86-64: Remove Prefer_AVX2_STRCMP 2022-04-26 18:18:16 -07:00
x86_64 x86-64: Remove Prefer_AVX2_STRCMP 2022-04-26 18:18:16 -07:00