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412d103431
glibc/sysdeps/x86_64
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Noah Goldstein 412d103431 x86: Optimize strspn in strspn-c.c 
Use _mm_cmpeq_epi8 and _mm_movemask_epi8 to get strlen instead of
_mm_cmpistri. Also change offset to unsigned to avoid unnecessary
sign extensions.

geometric_mean(N=20) of all benchmarks that dont fallback on
sse2; New / Original: .901

All string/memory tests pass.
Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
2022-03-25 11:46:13 -05:00
..
64 Move architecture shlib-versions files to Linux-specific directories. 2014-07-17 14:31:12 +00:00
fpu x86_64: Fix svml_d_tanh8_core_avx512.S code formatting 2022-03-07 21:44:09 -08:00
multiarch x86: Optimize strspn in strspn-c.c 2022-03-25 11:46:13 -05:00
nptl Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
x32 Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
____longjmp_chk.S ____longjmp_chk is now OS-specific. 2009-07-30 21:42:27 -07:00
__longjmp.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
_mcount.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
abort-instr.h
add_n.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
addmul_1.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
bsd-_setjmp.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
bsd-setjmp.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
bzero.S Make an empty file. 2007-10-16 05:59:15 +00:00
configure x86/configure.ac: Define PI_STATIC_AND_HIDDEN/SUPPORT_STATIC_PIE 2022-02-14 07:34:54 -08:00
configure.ac x86/configure.ac: Define PI_STATIC_AND_HIDDEN/SUPPORT_STATIC_PIE 2022-02-14 07:34:54 -08:00
crti.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
crtn.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
dl-hwcaps-subdirs.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
dl-irel.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
dl-machine.h elf: Remove prelink support 2022-02-10 09:16:12 -03:00
dl-procinfo.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
dl-runtime.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
dl-tls.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
dl-tls.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
dl-tlsdesc.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
dl-tlsdesc.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
dl-trampoline.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
dl-trampoline.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
ffs.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
ffsll.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
htonl.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
ifuncmain8.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
ifuncmod8.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
Implies Remove dbl-64/wordsize-64 (part 2) 2021-01-07 15:26:26 +00:00
isa.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
jmpbuf-offsets.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
jmpbuf-unwind.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
l10nflist.c Minor optimization of popcount in l10nflist 2011-08-11 14:07:04 -04:00
link-defines.sym elf: Remove Intel MPX support (lazy PLT, ld.so profile, and LD_AUDIT) 2021-10-11 11:14:02 -07:00
locale-defines.sym Implement optimized strcaecmp for x86-64. 2010-07-30 00:14:04 -07:00
localplt.data mtrace: Wean away from malloc hooks 2021-07-22 18:38:06 +05:30
lshift.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
machine-gmon.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
Makefile build: Properly generate .d dependency files [BZ #28922] 2022-02-25 10:35:45 -08:00
memchr.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
memcmp.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
memcmpeq.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
memcpy_chk.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
memcpy.S X86-64: Remove previous default/SSE2/AVX2 memcpy/memmove 2016-06-08 13:58:08 -07:00
memmove_chk.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
memmove.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
mempcpy_chk.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
mempcpy.S X86-64: Remove previous default/SSE2/AVX2 memcpy/memmove 2016-06-08 13:58:08 -07:00
memrchr.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
memset_chk.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
memset.S x86-64: Optimize bzero 2022-02-08 15:58:56 -08:00
mp_clz_tab.c * sysdeps/x86_64/mp_clz_tab.c: New file. 2009-04-15 04:30:41 +00:00
mul_1.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
preconfigure rename configure.in to configure.ac 2013-10-30 17:32:08 +10:00
preconfigure.ac rename configure.in to configure.ac 2013-10-30 17:32:08 +10:00
rawmemchr.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
rshift.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
rtld-offsets.sym x86-64: Align the stack in __tls_get_addr [BZ #21609] 2017-07-06 04:43:20 -07:00
setjmp.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
stackguard-macros.h BZ #15754: CVE-2013-4788 2013-09-23 00:52:09 -04:00
stackinfo.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
start.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
stpcpy.S Update. 2004-05-28 06:56:51 +00:00
strcasecmp_l-nonascii.c Use locale_t, not __locale_t, throughout glibc 2017-06-20 20:30:06 -04:00
strcasecmp_l.S Implement optimized strcaecmp for x86-64. 2010-07-30 00:14:04 -07:00
strcasecmp.S Implement optimized strcaecmp for x86-64. 2010-07-30 00:14:04 -07:00
strcat.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
strchr.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
strchrnul.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
strcmp.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
strcpy.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
strcspn.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
strlen.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
strncase_l-nonascii.c Use locale_t, not __locale_t, throughout glibc 2017-06-20 20:30:06 -04:00
strncase_l.S Add optimized strncasecmp versions for x86-64. 2010-08-14 22:04:01 -07:00
strncase.S Add optimized strncasecmp versions for x86-64. 2010-08-14 22:04:01 -07:00
strncmp.S Add SSE2 support to str{,n}cmp for x86-64. 2009-07-26 13:32:28 -07:00
strnlen.S Faster strlen on x64. 2013-03-18 07:39:12 +01:00
strpbrk.S x86-64: Implement strcspn/strpbrk/strspn IFUNC selectors in C 2017-06-15 08:59:05 -07:00
strrchr.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
strspn.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
sub_n.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
submul_1.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
sysdep.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tls_get_addr.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tlsdesc.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tlsdesc.sym x86-64: Align the stack in __tls_get_addr [BZ #21609] 2017-07-06 04:43:20 -07:00
tst-audit3.c Modify several tests to use test-skeleton.c 2014-11-05 15:24:08 +05:30
tst-audit4-aux.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-audit4.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-audit5.c Modify several tests to use test-skeleton.c 2014-11-05 15:24:08 +05:30
tst-audit6.c Modify several tests to use test-skeleton.c 2015-07-15 15:10:23 +05:30
tst-audit7.c Move x86_64-specific audit tests to sysdeps/x86_64/. 2013-04-25 19:23:11 +00:00
tst-audit10-aux.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-audit10.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-audit.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-auditmod3a.c Move x86_64-specific audit tests to sysdeps/x86_64/. 2013-04-25 19:23:11 +00:00
tst-auditmod3b.c Add missing header files throughout the testsuite. 2017-02-16 17:33:18 -05:00
tst-auditmod4a.c Move x86_64-specific audit tests to sysdeps/x86_64/. 2013-04-25 19:23:11 +00:00
tst-auditmod4b.c Add missing header files throughout the testsuite. 2017-02-16 17:33:18 -05:00
tst-auditmod5a.c Move x86_64-specific audit tests to sysdeps/x86_64/. 2013-04-25 19:23:11 +00:00
tst-auditmod5b.c Add missing header files throughout the testsuite. 2017-02-16 17:33:18 -05:00
tst-auditmod6a.c Move x86_64-specific audit tests to sysdeps/x86_64/. 2013-04-25 19:23:11 +00:00
tst-auditmod6b.c Add missing header files throughout the testsuite. 2017-02-16 17:33:18 -05:00
tst-auditmod6c.c Add missing header files throughout the testsuite. 2017-02-16 17:33:18 -05:00
tst-auditmod7a.c Move x86_64-specific audit tests to sysdeps/x86_64/. 2013-04-25 19:23:11 +00:00
tst-auditmod7b.c Add missing header files throughout the testsuite. 2017-02-16 17:33:18 -05:00
tst-auditmod10a.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-auditmod10b.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-avx512-aux.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-avx512.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-avx512mod.c x86-64: Verify that _dl_runtime_resolve preserves vector registers 2017-02-09 12:19:58 -08:00
tst-avx-aux.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-avx.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-avxmod.c x86-64: Verify that _dl_runtime_resolve preserves vector registers 2017-02-09 12:19:58 -08:00
tst-glibc-hwcaps.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-platform-1.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-platformmod-1.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-platformmod-2.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-quad1.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-quad1pie.c Handle R_X86_64_RELATIVE64 and R_X86_64_64 for x32 2012-05-10 17:05:06 -07:00
tst-quad2.c Handle R_X86_64_RELATIVE64 and R_X86_64_64 for x32 2012-05-10 17:05:06 -07:00
tst-quad2pie.c Handle R_X86_64_RELATIVE64 and R_X86_64_64 for x32 2012-05-10 17:05:06 -07:00
tst-quadmod1.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-quadmod1pie.S Handle R_X86_64_RELATIVE64 and R_X86_64_64 for x32 2012-05-10 17:05:06 -07:00
tst-quadmod2.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-quadmod2pie.S Handle R_X86_64_RELATIVE64 and R_X86_64_64 for x32 2012-05-10 17:05:06 -07:00
tst-rsi-strlen.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-rsi-wcslen.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-split-dynreloc.c Fix dynamic linker issue with bind-now 2015-08-19 05:37:01 -07:00
tst-split-dynreloc.lds Fix dynamic linker issue with bind-now 2015-08-19 05:37:01 -07:00
tst-sse.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-ssemod.c x86-64: Verify that _dl_runtime_resolve preserves vector registers 2017-02-09 12:19:58 -08:00
tst-x86_64-1.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-x86_64mod-1.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-x86-64-tls-1.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
Versions Move __fentry__ version definition to sysdeps/{i386,x86_64} 2018-08-10 09:07:44 +02:00
wcschr.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
wcscmp.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
wcslen.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
wcsrchr.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
wmemset_chk.S Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
wmemset.S x86-64: Optimize wmemset with SSE2/AVX2/AVX512 2017-06-05 11:09:59 -07:00
wordcopy.c X86-64: Add dummy memcopy.h and wordcopy.c 2016-06-09 04:38:34 -07:00