mirror
/
go
mirror of https://github.com/golang/go.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
go/src/math
History
erifan01 5714c91b53 cmd/compile: intrinsify math/bits.Add64 for arm64 
This CL instrinsifies Add64 with arm64 instruction sequence ADDS, ADCS
and ADC, and optimzes the case of carry chains.The CL also changes the
test code so that the intrinsic implementation can be tested.

Benchmarks:
name               old time/op       new time/op       delta
Add-224            2.500000ns +- 0%  2.090000ns +- 4%  -16.40%  (p=0.000 n=9+10)
Add32-224          2.500000ns +- 0%  2.500000ns +- 0%     ~     (all equal)
Add64-224          2.500000ns +- 0%  1.577778ns +- 2%  -36.89%  (p=0.000 n=10+9)
Add64multiple-224  6.000000ns +- 0%  2.000000ns +- 0%  -66.67%  (p=0.000 n=10+10)

Change-Id: I6ee91c9a85c16cc72ade5fd94868c579f16c7615
Reviewed-on: https://go-review.googlesource.com/c/go/+/159017
Run-TryBot: Ben Shi <powerman1st@163.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Cherry Zhang <cherryyz@google.com>
 		2019-03-20 05:39:49 +00:00
..
big math/big: add support for underscores '_' in numbers 2019-03-12 22:58:58 +00:00
bits cmd/compile: intrinsify math/bits.Add64 for arm64 2019-03-20 05:39:49 +00:00
cmplx math/cmplx: avoid panic in Pow(x, NaN()) 2019-02-27 14:01:03 +00:00
rand math/rand: improve package documentation 2018-08-03 23:08:42 +00:00
abs.go cmd/compile,math: improve code generation for math.Abs 2017-08-25 19:15:01 +00:00
acos_s390x.s math: use s390x mnemonics rather than binary encodings 2018-08-20 17:42:08 +00:00
acosh.go math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
acosh_s390x.s math: use s390x mnemonics rather than binary encodings 2018-08-20 17:42:08 +00:00
all_test.go math: fix math.Remainder(-x,x) (for Inf > x > 0) 2019-03-15 14:52:51 +00:00
arith_s390x.go math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
arith_s390x_test.go math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
asin.go
…
asin_386.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
asin_amd64.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
asin_amd64p32.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
asin_arm.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
asin_s390x.s math: use s390x mnemonics rather than binary encodings 2018-08-20 17:42:08 +00:00
asinh.go math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
asinh_s390x.s math: use s390x mnemonics rather than binary encodings 2018-08-20 17:42:08 +00:00
asinh_stub.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
atan.go
…
atan2.go
…
atan2_386.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
atan2_amd64.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
atan2_amd64p32.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
atan2_arm.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
atan2_s390x.s math: use s390x mnemonics rather than binary encodings 2018-08-20 17:42:08 +00:00
atan_386.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
atan_amd64.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
atan_amd64p32.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
atan_arm.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
atan_s390x.s math: use s390x mnemonics rather than binary encodings 2018-08-20 17:42:08 +00:00
atanh.go math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
atanh_s390x.s math: use s390x mnemonics rather than binary encodings 2018-08-20 17:42:08 +00:00
bits.go math: add RoundToEven function 2017-10-24 22:33:09 +00:00
cbrt.go math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
cbrt_s390x.s math: use s390x mnemonics rather than binary encodings 2018-08-20 17:42:08 +00:00
cbrt_stub.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
const.go math: change oeis.org urls to https 2017-08-08 08:56:40 +00:00
copysign.go
…
cosh_s390x.s cmd/asm, math: add s390x floating point test instructions 2018-04-03 16:08:04 +00:00
dim.go math: remove asm version of Dim 2017-11-30 21:00:33 +00:00
dim_386.s math: remove asm version of Dim 2017-11-30 21:00:33 +00:00
dim_amd64.s math: remove asm version of Dim 2017-11-30 21:00:33 +00:00
dim_amd64p32.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
dim_arm.s math: remove asm version of Dim 2017-11-30 21:00:33 +00:00
dim_arm64.s math: remove asm version of Dim 2017-11-30 21:00:33 +00:00
dim_s390x.s math: optimize dim and remove s390x assembly implementation 2017-10-30 19:05:51 +00:00
erf.go math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
erf_s390x.s math: use s390x mnemonics rather than binary encodings 2018-08-20 17:42:08 +00:00
erf_stub.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
erfc_s390x.s math: use s390x mnemonics rather than binary encodings 2018-08-20 17:42:08 +00:00
erfinv.go all: update comment URLs from HTTP to HTTPS, where possible 2018-06-01 21:52:00 +00:00
example_test.go math: add Round and RoundToEven examples 2018-08-28 05:22:41 +00:00
exp.go math: fix inaccurate result of Exp(1) 2017-08-17 09:01:27 +00:00
exp2_386.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
exp2_amd64.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
exp2_amd64p32.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
exp2_arm.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
exp_386.s math: use portable Exp instead of 387 instructions on 386 2016-10-05 03:53:11 +00:00
exp_amd64.s all: update comment URLs from HTTP to HTTPS, where possible 2018-06-01 21:52:00 +00:00
exp_amd64p32.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
exp_arm.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
exp_arm64.s math: optimize Exp and Exp2 on arm64 2018-03-27 19:55:02 +00:00
exp_asm.go math: implement fast path for Exp 2017-09-20 21:43:00 +00:00
exp_s390x.s math: use s390x mnemonics rather than binary encodings 2018-08-20 17:42:08 +00:00
expm1.go all: unindent some big chunks of code 2017-08-18 06:59:48 +00:00
expm1_386.s all: this big patch remove whitespace from assembly files 2018-10-03 15:28:51 +00:00
expm1_amd64.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
expm1_amd64p32.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
expm1_arm.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
expm1_s390x.s math: use s390x mnemonics rather than binary encodings 2018-08-20 17:42:08 +00:00
export_s390x_test.go math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
export_test.go math: use constant rather than variable for exported test threshold 2018-12-13 06:33:18 +00:00
floor.go math: add RoundToEven function 2017-10-24 22:33:09 +00:00
floor_386.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
floor_amd64.s cmd/compile: intrinsify math.{Trunc/Ceil/Floor} on amd64 2017-10-31 19:30:54 +00:00
floor_amd64p32.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
floor_arm.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
floor_arm64.s math: add some assembly implementations on ARM64 2016-09-27 23:52:12 +00:00
floor_ppc64x.s math, cmd/internal/obj/ppc64: improve floor, ceil, trunc with asm 2016-09-23 13:03:08 +00:00
floor_s390x.s math: optimize Ceil, Floor and Trunc on s390x 2016-08-26 17:27:13 +00:00
floor_wasm.s math, math/big: add wasm architecture 2018-05-08 13:29:22 +00:00
frexp.go
…
frexp_386.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
frexp_amd64.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
frexp_amd64p32.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
frexp_arm.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
gamma.go math: speed up Gamma(+Inf) 2016-10-18 22:12:03 +00:00
huge_test.go math: don't run huge argument tests on s390x 2018-12-13 22:13:57 +00:00
hypot.go math: use Abs rather than if x < 0 { x = -x } 2018-02-13 20:12:23 +00:00
hypot_386.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
hypot_amd64.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
hypot_amd64p32.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
hypot_arm.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
j0.go math: use Abs rather than if x < 0 { x = -x } 2018-02-13 20:12:23 +00:00
j1.go math: speed up bessel functions on AMD64 2016-08-31 14:45:29 +00:00
jn.go math: fix typos in Bessel function docs 2017-02-16 22:41:34 +00:00
ldexp.go math: fix Ldexp when result is below ldexp(2, -1075) 2018-03-29 23:14:13 +00:00
ldexp_386.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
ldexp_amd64.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
ldexp_amd64p32.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
ldexp_arm.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
lgamma.go go/printer, gofmt: tuned table alignment for better results 2018-04-04 13:39:34 -07:00
log.go all: single space after period. 2016-03-02 00:13:47 +00:00
log1p.go math: fix ternary correction statement in Log1p 2019-01-07 18:57:45 +00:00
log1p_386.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
log1p_amd64.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
log1p_amd64p32.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
log1p_arm.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
log1p_s390x.s math: use s390x mnemonics rather than binary encodings 2018-08-20 17:42:08 +00:00
log10.go math: fix Log2 test failures on ppc64 (and s390) 2015-07-15 05:35:22 +00:00
log10_386.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
log10_amd64.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
log10_amd64p32.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
log10_arm.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
log10_s390x.s cmd/asm, math: add s390x floating point test instructions 2018-04-03 16:08:04 +00:00
log_386.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
log_amd64.s math: speed up Log on amd64 2017-03-29 20:36:29 +00:00
log_amd64p32.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
log_arm.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
log_s390x.s math: use s390x mnemonics rather than binary encodings 2018-08-20 17:42:08 +00:00
logb.go
…
mod.go math: use Abs in Mod rather than if x < 0 { x = -x} 2018-10-04 17:32:44 +00:00
mod_386.s
…
mod_amd64.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
mod_amd64p32.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
mod_arm.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
modf.go all: single space after period. 2016-03-02 00:13:47 +00:00
modf_386.s all: fix assembly vet issues 2016-08-25 18:52:31 +00:00
modf_amd64.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
modf_amd64p32.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
modf_arm.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
modf_arm64.s all: minor vet fixes 2016-10-24 17:27:37 +00:00
modf_ppc64x.s math: implement asm modf for ppc64x 2017-11-02 13:24:32 +00:00
nextafter.go
…
pow.go math: use Abs in Pow rather than if x < 0 { x = -x } 2018-10-04 17:33:04 +00:00
pow10.go math: speed up and improve accuracy of Pow10 2017-02-22 19:17:04 +00:00
pow_s390x.s math: use s390x mnemonics rather than binary encodings 2018-08-20 17:42:08 +00:00
pow_stub.s math: use SIMD to accelerate additional scalar math functions on s390x 2017-05-08 19:52:30 +00:00
remainder.go math: fix math.Remainder(-x,x) (for Inf > x > 0) 2019-03-15 14:52:51 +00:00
remainder_386.s
…
remainder_amd64.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
remainder_amd64p32.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
remainder_arm.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
signbit.go all: use "reports whether" consistently in the few places that didn't 2018-11-02 22:47:58 +00:00
sin.go src, misc: apply gofmt 2019-02-19 20:38:28 +00:00
sin_386.s math: implement trignometric range reduction for huge arguments 2018-12-13 06:01:42 +00:00
sin_amd64.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
sin_amd64p32.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
sin_arm.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
sin_s390x.s cmd/asm, math: add s390x floating point test instructions 2018-04-03 16:08:04 +00:00
sincos.go src, misc: apply gofmt 2019-02-19 20:38:28 +00:00
sinh.go math,net: omit explicit true tag expr in switch 2018-08-20 22:15:59 +00:00
sinh_s390x.s cmd/asm, math: add s390x floating point test instructions 2018-04-03 16:08:04 +00:00
sinh_stub.s math: use SIMD to accelerate some scalar math functions on s390x 2016-11-11 20:20:23 +00:00
sqrt.go math: delete unused function sqrtC 2016-03-03 02:29:09 +00:00
sqrt_386.s all: this big patch remove whitespace from assembly files 2018-10-03 15:28:51 +00:00
sqrt_amd64.s math: make sqrt smaller on AMD64 2016-09-29 15:56:52 +00:00
sqrt_amd64p32.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
sqrt_arm.s all: this big patch remove whitespace from assembly files 2018-10-03 15:28:51 +00:00
sqrt_arm64.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
sqrt_mipsx.s runtime/cgo, math: don't use FP instructions for soft-float mips{,le} 2017-11-30 17:12:32 +00:00
sqrt_ppc64x.s all: make copyright headers consistent with one space after period 2016-05-02 13:43:18 +00:00
sqrt_s390x.s math: add functions and stubs for s390x 2016-04-06 23:35:56 +00:00
sqrt_wasm.s math, math/big: add wasm architecture 2018-05-08 13:29:22 +00:00
stubs_arm64.s math: optimize Exp and Exp2 on arm64 2018-03-27 19:55:02 +00:00
stubs_mips64x.s math: remove asm version of Dim 2017-11-30 21:00:33 +00:00
stubs_mipsx.s math: remove asm version of Dim 2017-11-30 21:00:33 +00:00
stubs_ppc64x.s math: remove asm version of Dim 2017-11-30 21:00:33 +00:00
stubs_s390x.s math: remove asm version of Dim 2017-11-30 21:00:33 +00:00
stubs_wasm.s math, math/big: add wasm architecture 2018-05-08 13:29:22 +00:00
tan.go src, misc: apply gofmt 2019-02-19 20:38:28 +00:00
tan_386.s math: implement trignometric range reduction for huge arguments 2018-12-13 06:01:42 +00:00
tan_amd64.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
tan_amd64p32.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
tan_arm.s all: make copyright headers consistent with one space after period 2016-03-01 23:34:33 +00:00
tan_s390x.s math: use s390x mnemonics rather than binary encodings 2018-08-20 17:42:08 +00:00
tanh.go src, misc: apply gofmt 2019-02-19 20:38:28 +00:00
tanh_s390x.s cmd/asm, math: add s390x floating point test instructions 2018-04-03 16:08:04 +00:00
trig_reduce.go math: correct mPi4 comment 2018-12-13 20:35:45 +00:00
unsafe.go math: document sign bit correspondence for floating-point/bits conversions 2018-12-06 22:27:54 +00:00