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glibc/sysdeps/powerpc
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Adhemerval Zanella Netto b7060acfe8 powerpc64: Add optimized chacha20 
It adds vectorized ChaCha20 implementation based on libgcrypt
cipher/chacha20-ppc.c.  It targets POWER8 and it is used on default
for LE.

On a POWER8 it shows the following improvements (using formatted
bench-arc4random data):

POWER8

GENERIC                                    MB/s
-----------------------------------------------
arc4random [single-thread]               138.77
arc4random_buf(16) [single-thread]       174.36
arc4random_buf(32) [single-thread]       228.11
arc4random_buf(48) [single-thread]       252.31
arc4random_buf(64) [single-thread]       270.11
arc4random_buf(80) [single-thread]       278.97
arc4random_buf(96) [single-thread]       287.78
arc4random_buf(112) [single-thread]      291.92
arc4random_buf(128) [single-thread]      295.25

POWER8                                     MB/s
-----------------------------------------------
arc4random [single-thread]               198.06
arc4random_buf(16) [single-thread]       278.79
arc4random_buf(32) [single-thread]       448.89
arc4random_buf(48) [single-thread]       551.09
arc4random_buf(64) [single-thread]       646.12
arc4random_buf(80) [single-thread]       698.04
arc4random_buf(96) [single-thread]       756.06
arc4random_buf(112) [single-thread]      784.12
arc4random_buf(128) [single-thread]      808.04
-----------------------------------------------

Checked on powerpc64-linux-gnu and powerpc64le-linux-gnu.
Reviewed-by: Paul E. Murphy <murphyp@linux.ibm.com>
2022-07-22 11:58:27 -03:00
..
bits Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
fpu math: Add math-use-builtins-fabs (BZ#29027) 2022-05-23 17:49:18 -03:00
nofpu Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
nptl powerpc64: Set up thread register for _dl_relocate_static_pie 2022-04-10 08:33:40 +09:30
power4 Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
power6 Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
powerpc32 Add bounds check to __libc_ifunc_impl_list 2022-06-10 17:13:29 +01:00
powerpc64 powerpc64: Add optimized chacha20 2022-07-22 11:58:27 -03:00
sys/platform Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
abort-instr.h
atomic-machine.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
cpu-features.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
cpu-features.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
dl-lookupcfg.h elf: Issue la_symbind for bind-now (BZ #23734) 2022-02-01 14:49:46 -03:00
dl-procinfo.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
dl-procinfo.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-tunables.list Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
elf-initfini.h 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
fpu_control.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
gccframe.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
hwcapinfo.c powerpc64: Set up thread register for _dl_relocate_static_pie 2022-04-10 08:33:40 +09:30
hwcapinfo.h powerpc64: Set up thread register for _dl_relocate_static_pie 2022-04-10 08:33:40 +09:30
ifunc-sel.h Fix powerpc ifunc-sel.h build for -Os. 2018-03-02 22:27:56 +00:00
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
ldsodefs.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
libc-tls.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
locale-defines.sym powerpc: strcasestr optmization for power8 2016-04-22 19:23:13 +05:30
longjmp.c 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 powerpc: Fix unrecognized instruction errors with recent binutils 2021-09-29 14:42:20 -05:00
math-tests-snan-cast.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
mod-cache-ppc.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
mod-tlsopt-powerpc.c elf: Drop elf/tls-macros.h in favor of __thread and tls_model attributes [BZ #28152] [BZ #28205] 2021-08-16 09:59:30 -07:00
mp_clz_tab.c
novmx-longjmp.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
novmx-sigjmp.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
novmxsetjmp.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
preconfigure powerpc: Add support for POWER10 2020-06-29 10:08:38 -03:00
preconfigure.ac powerpc: Add support for POWER10 2020-06-29 10:08:38 -03:00
rtld-global-offsets.sym powerpc: Move cache line size to rtld_global_ro 2020-01-17 09:05:03 -03:00
sigjmp.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
sotruss-lib.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
stackinfo.h 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
test-arith.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
test-arithf.c
test-get_hwcap-static.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
test-get_hwcap.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
test-gettimebase.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-cache-ppc-static-dlopen.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-cache-ppc-static.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-cache-ppc.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-set_ppr.c Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-stack-align.h Update copyright dates with scripts/update-copyrights 2022-01-01 11:40:24 -08:00
tst-tlsifunc-static.c powerpc64: Set up thread register for _dl_relocate_static_pie 2022-04-10 08:33:40 +09:30
tst-tlsifunc.c elf: Replace PI_STATIC_AND_HIDDEN with opposite HIDDEN_VAR_NEEDS_DYNAMIC_RELOC 2022-04-26 09:26:22 -07:00
tst-tlsopt-powerpc.c tst-tlsopt-powerpc as a shared lib 2017-08-03 15:39:21 +09:30
Versions nptl: Move __pthread_unwind_next into libc 2021-04-21 19:49:50 +02:00