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glibc/sysdeps/ieee754/dbl-64
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Wilco Dijkstra 7a5640f23a [PATCH 2/7] sin/cos slow paths: remove large range reduction 
This patch removes the large range reduction code and defers to the huge range
reduction code.  The first level range reducer supports inputs up to 2^27,
which is way too large given that inputs for sin/cos are typically small
(< 10), and optimizing for a smaller range would give a significant speedup.

Input values above 2^27 are practically never used, so there is no reason for
supporting range reduction between 2^27 and 2^48.  Removing it significantly
simplifies code and enables further speedups.  There is about a 2.3x slowdown
in this range due to __branred being extremely slow  (a better algorithm could
easily more than double performance).

	* sysdeps/ieee754/dbl-64/s_sin.c (reduce_sincos_2): Remove function.
	(do_sincos_2): Likewise.
	(__sin): Remove middle range reduction case.
	(__cos): Likewise.
	* sysdeps/ieee754/dbl-64/s_sincos.c (__sincos): Remove middle range
	reduction case.
2018-04-03 16:52:17 +01:00
..
wordsize-64
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
2018-03-15 19:21:36 +00:00
asincos.tbl
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2018-01-01 00:32:25 +00:00
atnat2.h
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2018-01-01 00:32:25 +00:00
atnat.h
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2018-01-01 00:32:25 +00:00
branred.c
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2018-01-01 00:32:25 +00:00
branred.h
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2018-01-01 00:32:25 +00:00
dbl2mpn.c
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2018-01-01 00:32:25 +00:00
dla.h
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2018-01-01 00:32:25 +00:00
doasin.c
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2018-01-01 00:32:25 +00:00
doasin.h
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2018-01-01 00:32:25 +00:00
dosincos.c
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2018-01-01 00:32:25 +00:00
dosincos.h
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2018-01-01 00:32:25 +00:00
e_acos.c
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e_acosh.c
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
2018-03-15 19:21:36 +00:00
e_asin.c
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2018-01-01 00:32:25 +00:00
e_atan2.c
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2018-01-01 00:32:25 +00:00
e_atanh.c
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2018-01-01 00:32:25 +00:00
e_cosh.c
Consistently use uintN_t not u_intN_t in libm.
2017-08-03 19:55:04 +00:00
e_exp2.c
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2018-01-01 00:32:25 +00:00
e_exp10.c
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2018-01-01 00:32:25 +00:00
e_exp.c
Remove mplog and mpexp
2018-02-15 12:41:05 +00:00
e_fmod.c
Consistently use uintN_t not u_intN_t in libm.
2017-08-03 19:55:04 +00:00
e_gamma_r.c
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
2018-03-15 19:21:36 +00:00
e_hypot.c
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
2018-03-15 19:21:36 +00:00
e_ilogb.c
Format floating routines.
2013-10-17 16:03:24 +02:00
e_j0.c
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
2018-03-15 19:21:36 +00:00
e_j1.c
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
2018-03-15 19:21:36 +00:00
e_jn.c
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
2018-03-15 19:21:36 +00:00
e_lgamma_r.c
Use fabs(f/l) rather than __fabs
2017-09-29 18:54:24 +01:00
e_log2.c
Use fabs(f/l) rather than __fabs
2017-09-29 18:54:24 +01:00
e_log10.c
Use fabs(f/l) rather than __fabs
2017-09-29 18:54:24 +01:00
e_log.c
Remove slow paths from log
2018-02-07 12:24:43 +00:00
e_pow.c
Remove slow paths from pow
2018-02-12 10:47:09 +00:00
e_rem_pio2.c
Consistently use uintN_t not u_intN_t in libm.
2017-08-03 19:55:04 +00:00
e_remainder.c
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2018-01-01 00:32:25 +00:00
e_sinh.c
Consistently use uintN_t not u_intN_t in libm.
2017-08-03 19:55:04 +00:00
e_sqrt.c
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2018-01-01 00:32:25 +00:00
gamma_product.c
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2018-01-01 00:32:25 +00:00
gamma_productf.c
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2018-01-01 00:32:25 +00:00
k_cos.c
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k_rem_pio2.c
Narrowing the visibility of libc-internal.h even further.
2017-03-01 20:33:46 -05:00
k_sin.c
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k_tan.c
Replace sysdeps/ieee754/dbl-64/k_tan.c with empty file
2012-02-26 16:10:46 +01:00
lgamma_neg.c
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2018-01-01 00:32:25 +00:00
lgamma_product.c
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2018-01-01 00:32:25 +00:00
Makefile
Fix CFLAGS override in sysdeps/ieee754/dbl-64
2017-08-24 15:56:11 +01:00
MathLib.h
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2018-01-01 00:32:25 +00:00
mpa-arch.h
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2018-01-01 00:32:25 +00:00
mpa.c
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2018-01-01 00:32:25 +00:00
mpa.h
Remove mplog and mpexp
2018-02-15 12:41:05 +00:00
mpatan2.c
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2018-01-01 00:32:25 +00:00
mpatan.c
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2018-01-01 00:32:25 +00:00
mpatan.h
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2018-01-01 00:32:25 +00:00
mpn2dbl.c
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2018-01-01 00:32:25 +00:00
mpsqrt.c
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2018-01-01 00:32:25 +00:00
mpsqrt.h
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2018-01-01 00:32:25 +00:00
mptan.c
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2018-01-01 00:32:25 +00:00
mydefs.h
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2018-01-01 00:32:25 +00:00
powtwo.tbl
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2018-01-01 00:32:25 +00:00
root.tbl
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2018-01-01 00:32:25 +00:00
s_asinh.c
Rename all __ieee754_sqrt(f/l) calls to sqrt(f/l)
2018-03-15 19:21:36 +00:00
s_atan.c
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2018-01-01 00:32:25 +00:00
s_cbrt.c
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2018-01-01 00:32:25 +00:00
s_ceil.c
Use libm_alias_double for more dbl-64 functions.
2017-10-03 17:47:35 +00:00
s_copysign.c
Use libm_alias_double for some dbl-64 functions.
2017-09-29 23:54:33 +00:00
s_cos.c
…
s_erf.c
Use libm_alias_double for some dbl-64 functions.
2017-09-29 23:54:33 +00:00
s_expm1.c
Use libm_alias_double for some dbl-64 functions.
2017-09-29 23:54:33 +00:00
s_f32xaddf64.c
Add narrowing add functions.
2018-02-10 02:08:43 +00:00
s_f32xsubf64.c
Add narrowing subtract functions.
2018-03-20 00:34:52 +00:00
s_fabs.c
Use libm_alias_double for some dbl-64 functions.
2017-09-29 23:54:33 +00:00
s_fadd.c
Add narrowing add functions.
2018-02-10 02:08:43 +00:00
s_finite.c
Move LDBL_CLASSIFY_COMPAT to its own header.
2018-02-01 21:01:00 +00:00
s_floor.c
Use libm_alias_double for more dbl-64 functions.
2017-10-03 17:47:35 +00:00
s_fma.c
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2018-01-01 00:32:25 +00:00
s_fmaf.c
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2018-01-01 00:32:25 +00:00
s_fpclassify.c
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2018-01-01 00:32:25 +00:00
s_frexp.c
Use libm_alias_double for dbl-64 frexp.
2017-10-03 20:56:46 +00:00
s_fromfp_main.c
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2018-01-01 00:32:25 +00:00
s_fromfp.c
Use libm_alias_double for some dbl-64 functions.
2017-09-29 23:54:33 +00:00
s_fromfpx.c
Use libm_alias_double for some dbl-64 functions.
2017-09-29 23:54:33 +00:00
s_fsub.c
Add narrowing subtract functions.
2018-03-20 00:34:52 +00:00
s_getpayload.c
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2018-01-01 00:32:25 +00:00
s_isinf.c
Move LDBL_CLASSIFY_COMPAT to its own header.
2018-02-01 21:01:00 +00:00
s_isnan.c
Move LDBL_CLASSIFY_COMPAT to its own header.
2018-02-01 21:01:00 +00:00
s_issignaling.c
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2018-01-01 00:32:25 +00:00
s_llrint.c
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2018-01-01 00:32:25 +00:00
s_llround.c
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2018-01-01 00:32:25 +00:00
s_log1p.c
Fix -Os log1p, log1pf build (bug 21314).
2018-02-01 20:40:48 +00:00
s_logb.c
Use libm_alias_double for dbl-64 logb.
2017-10-03 23:44:41 +00:00
s_lrint.c
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2018-01-01 00:32:25 +00:00
s_lround.c
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2018-01-01 00:32:25 +00:00
s_modf.c
Use libm_alias_double for dbl-64 modf.
2017-10-03 23:46:23 +00:00
s_nearbyint.c
Use libm_alias_double for more dbl-64 functions.
2017-10-03 17:47:35 +00:00
s_nexttoward.c
…
s_nextup.c
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2018-01-01 00:32:25 +00:00
s_remquo.c
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2018-01-01 00:32:25 +00:00
s_rint.c
Use libm_alias_double for more dbl-64 functions.
2017-10-03 17:47:35 +00:00
s_round.c
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2018-01-01 00:32:25 +00:00
s_roundeven.c
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2018-01-01 00:32:25 +00:00
s_scalbln.c
[BZ #6803] Set errno for scalbln, scalbn
2014-06-20 07:48:20 +05:30
s_scalbn.c
Make scalbn set errno (bug 6803).
2015-09-16 21:11:00 +00:00
s_setpayload_main.c
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2018-01-01 00:32:25 +00:00
s_setpayload.c
Use libm_alias_double for some dbl-64 functions.
2017-09-29 23:54:33 +00:00
s_setpayloadsig.c
Use libm_alias_double for some dbl-64 functions.
2017-09-29 23:54:33 +00:00
s_signbit.c
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2018-01-01 00:32:25 +00:00
s_sin.c
[PATCH 2/7] sin/cos slow paths: remove large range reduction
2018-04-03 16:52:17 +01:00
s_sincos.c
[PATCH 2/7] sin/cos slow paths: remove large range reduction
2018-04-03 16:52:17 +01:00
s_tan.c
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2018-01-01 00:32:25 +00:00
s_tanh.c
Use libm_alias_double for some dbl-64 functions.
2017-09-29 23:54:33 +00:00
s_totalorder.c
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2018-01-01 00:32:25 +00:00
s_totalordermag.c
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2018-01-01 00:32:25 +00:00
s_trunc.c
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2018-01-01 00:32:25 +00:00
s_ufromfp.c
Use libm_alias_double for some dbl-64 functions.
2017-09-29 23:54:33 +00:00
s_ufromfpx.c
Use libm_alias_double for some dbl-64 functions.
2017-09-29 23:54:33 +00:00
sincos32.c
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2018-01-01 00:32:25 +00:00
sincos32.h
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2018-01-01 00:32:25 +00:00
sincostab.c
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2018-01-01 00:32:25 +00:00
t_exp2.h
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t_exp.c
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2018-01-01 00:32:25 +00:00
uasncs.h
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2018-01-01 00:32:25 +00:00
uatan.tbl
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2018-01-01 00:32:25 +00:00
uexp.h
Remove slow paths from exp
2018-02-12 11:33:33 +00:00
uexp.tbl
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2018-01-01 00:32:25 +00:00
ulog.h
Remove slow paths from log
2018-02-07 12:24:43 +00:00
ulog.tbl
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2018-01-01 00:32:25 +00:00
upow.h
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2018-01-01 00:32:25 +00:00
upow.tbl
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2018-01-01 00:32:25 +00:00
urem.h
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2018-01-01 00:32:25 +00:00
usncs.h
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2018-01-01 00:32:25 +00:00
utan.h
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2018-01-01 00:32:25 +00:00
utan.tbl
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2018-01-01 00:32:25 +00:00
x2y2m1.c
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2018-01-01 00:32:25 +00:00
x2y2m1f.c
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2018-01-01 00:32:25 +00:00