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glibc/sysdeps/hppa
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Adhemerval Zanella bccb0648ea math: Use tanf from CORE-MATH 
The CORE-MATH implementation is correctly rounded (for any rounding mode)
and shows better performance to the generic tanf.

The code was adapted to glibc style, to use the definition of
math_config.h, to remove errno handling, and to use a generic
128 bit routine for ABIs that do not support it natively.

Benchtest on x64_64 (Ryzen 9 5900X, gcc 14.2.1), aarch64 (neoverse1,
gcc 13.2.1), and powerpc (POWER10, gcc 13.2.1):

latency                       master       patched  improvement
x86_64                       82.3961       54.8052       33.49%
x86_64v2                     82.3415       54.8052       33.44%
x86_64v3                     69.3661       50.4864       27.22%
i686                         219.271       45.5396       79.23%
aarch64                      29.2127       19.1951       34.29%
power10                      19.5060       16.2760       16.56%

reciprocal-throughput         master       patched  improvement
x86_64                       28.3976       19.7334       30.51%
x86_64v2                     28.4568       19.7334       30.65%
x86_64v3                     21.1815       16.1811       23.61%
i686                         105.016       15.1426       85.58%
aarch64                      18.1573       10.7681       40.70%
power10                       8.7207        8.7097        0.13%

Signed-off-by: Alexei Sibidanov <sibid@uvic.ca>
Signed-off-by: Paul Zimmermann <Paul.Zimmermann@inria.fr>
Signed-off-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Reviewed-by: DJ Delorie <dj@redhat.com>
2024-11-22 10:52:27 -03:00
..
bits Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
fpu math: Use tanf from CORE-MATH 2024-11-22 10:52:27 -03:00
hppa1.1 Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
nptl Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
__longjmp.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
abort-instr.h
add_n.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
bsd-_setjmp.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
bsd-setjmp.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
configure Convert to autoconf 2.72 (vanilla release, no distribution patches) 2024-06-17 21:15:28 +02:00
configure.ac elf: Replace PI_STATIC_AND_HIDDEN with opposite HIDDEN_VAR_NEEDS_DYNAMIC_RELOC 2022-04-26 09:26:22 -07:00
crti.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
crtn.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-fptr.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-fptr.h elf: Make dl-fptr and dl-symaddr hppa specific 2024-08-19 14:54:07 -03:00
dl-irel.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-lookupcfg.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-machine.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-runtime.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-runtime.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-symaddr.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-tls.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
dl-trampoline.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
elf-initfini.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
entry.h Restore ENTRY_POINT definition on hppa, ia64 (bug 28749) 2022-01-07 14:47:31 +01:00
gccframe.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
get-rounding-mode.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
jmpbuf-offsets.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
jmpbuf-unwind.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
ldsodefs.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
libc-tls.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
libgcc-compat.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
linkmap.h Rename bits/linkmap.h to linkmap.h (bug 14912). 2015-09-04 19:44:27 +00:00
lshift.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
machine-gmon.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
Makefile Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
math-tests-snan-payload.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
memcopy.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
mp_clz_tab.c
nan-high-order-bit.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
preconfigure
rshift.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
setjmp.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
shlib-versions Remove configuration name patterns from shlib-versions. 2014-09-12 12:28:47 +00:00
sotruss-lib.c Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
stackinfo.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
start.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
string-fzb.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
string-fzc.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
string-fzi.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
sub_n.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
sysdep.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
tininess.h
tst-audit.h Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
udiv_qrnnd.S Update copyright dates with scripts/update-copyrights 2024-01-01 10:53:40 -08:00
utmp-size.h login: Check default sizes of structs utmp, utmpx, lastlog 2024-04-19 14:38:17 +02:00
Versions hppa/ia64: _dl_unmap: make it hidden 2015-07-16 09:03:46 -04:00