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Current Path: /opt/golang/1.17.2/src/math

📁 ..
📄 abs.go(363 B)
📄 acos_s390x.s(3.73 KB)
📄 acosh.go(1.71 KB)
📄 acosh_s390x.s(4.32 KB)
📄 all_test.go(85.27 KB)
📄 arith_s390x.go(3.73 KB)
📄 arith_s390x_test.go(10.78 KB)
📄 asin.go(1.08 KB)
📄 asin_s390x.s(4.16 KB)
📄 asinh.go(1.92 KB)
📄 asinh_s390x.s(5.74 KB)
📄 atan.go(3.03 KB)
📄 atan2.go(1.52 KB)
📄 atan2_s390x.s(6.93 KB)
📄 atan_s390x.s(3.69 KB)
📄 atanh.go(1.99 KB)
📄 atanh_s390x.s(5.36 KB)
📁 big
📁 bits
📄 bits.go(1.87 KB)
📄 cbrt.go(2.31 KB)
📄 cbrt_s390x.s(4.89 KB)
📁 cmplx
📄 const.go(2.33 KB)
📄 const_test.go(1.29 KB)
📄 copysign.go(378 B)
📄 cosh_s390x.s(5.59 KB)
📄 dim.go(1.68 KB)
📄 dim_amd64.s(1.92 KB)
📄 dim_arm64.s(963 B)
📄 dim_asm.go(380 B)
📄 dim_noasm.go(450 B)
📄 dim_riscv64.s(1.16 KB)
📄 dim_s390x.s(1.97 KB)
📄 erf.go(11.5 KB)
📄 erf_s390x.s(8.5 KB)
📄 erfc_s390x.s(14.4 KB)
📄 erfinv.go(3.36 KB)
📄 example_test.go(3.66 KB)
📄 exp.go(5.37 KB)
📄 exp2_asm.go(268 B)
📄 exp2_noasm.go(301 B)
📄 exp_amd64.go(277 B)
📄 exp_amd64.s(4.24 KB)
📄 exp_arm64.s(5.36 KB)
📄 exp_asm.go(296 B)
📄 exp_noasm.go(333 B)
📄 exp_s390x.s(4.65 KB)
📄 expm1.go(7.9 KB)
📄 expm1_s390x.s(5.29 KB)
📄 export_s390x_test.go(732 B)
📄 export_test.go(357 B)
📄 floor.go(3.28 KB)
📄 floor_386.s(1.47 KB)
📄 floor_amd64.s(2 KB)
📄 floor_arm64.s(573 B)
📄 floor_asm.go(482 B)
📄 floor_noasm.go(589 B)
📄 floor_ppc64x.s(523 B)
📄 floor_s390x.s(579 B)
📄 floor_wasm.s(459 B)
📄 fma.go(4.46 KB)
📄 frexp.go(926 B)
📄 gamma.go(5.52 KB)
📄 huge_test.go(2.56 KB)
📄 hypot.go(845 B)
📄 hypot_386.s(1.81 KB)
📄 hypot_amd64.s(1.05 KB)
📄 hypot_asm.go(284 B)
📄 hypot_noasm.go(319 B)
📄 j0.go(13.6 KB)
📄 j1.go(13.3 KB)
📄 jn.go(7.17 KB)
📄 ldexp.go(1.05 KB)
📄 lgamma.go(11.02 KB)
📄 log.go(3.86 KB)
📄 log10.go(869 B)
📄 log10_s390x.s(4.73 KB)
📄 log1p.go(6.34 KB)
📄 log1p_s390x.s(5.15 KB)
📄 log_amd64.s(3.67 KB)
📄 log_asm.go(281 B)
📄 log_s390x.s(4.31 KB)
📄 log_stub.go(316 B)
📄 logb.go(1014 B)
📄 mod.go(900 B)
📄 modf.go(910 B)
📄 modf_arm64.s(447 B)
📄 modf_asm.go(322 B)
📄 modf_noasm.go(359 B)
📄 modf_ppc64x.s(440 B)
📄 nextafter.go(1.2 KB)
📄 pow.go(3.22 KB)
📄 pow10.go(1.24 KB)
📄 pow_s390x.s(16.27 KB)
📁 rand
📄 remainder.go(2.04 KB)
📄 signbit.go(302 B)
📄 sin.go(6.35 KB)
📄 sin_s390x.s(8.34 KB)
📄 sincos.go(1.75 KB)
📄 sinh.go(1.69 KB)
📄 sinh_s390x.s(5.98 KB)
📄 sqrt.go(4.9 KB)
📄 sqrt_386.s(304 B)
📄 sqrt_amd64.s(334 B)
📄 sqrt_arm.s(529 B)
📄 sqrt_arm64.s(310 B)
📄 sqrt_asm.go(416 B)
📄 sqrt_mipsx.s(409 B)
📄 sqrt_noasm.go(469 B)
📄 sqrt_ppc64x.s(362 B)
📄 sqrt_riscv64.s(308 B)
📄 sqrt_s390x.s(309 B)
📄 sqrt_wasm.s(273 B)
📄 stubs.go(2.59 KB)
📄 stubs_s390x.s(12.38 KB)
📄 tan.go(3.67 KB)
📄 tan_s390x.s(2.73 KB)
📄 tanh.go(2.65 KB)
📄 tanh_s390x.s(4.57 KB)
📄 trig_reduce.go(3.33 KB)
📄 unsafe.go(1.27 KB)

Editing: log10_s390x.s

// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

#include "textflag.h"

// Minimax polynomial coefficients and other constants
DATA log10rodataL19<>+0(SB)/8, $0.000000000000000000E+00
DATA log10rodataL19<>+8(SB)/8, $-1.0
DATA log10rodataL19<>+16(SB)/8, $0x7FF8000000000000   //+NanN
DATA log10rodataL19<>+24(SB)/8, $.15375570329280596749
DATA log10rodataL19<>+32(SB)/8, $.60171950900703668594E+04
DATA log10rodataL19<>+40(SB)/8, $-1.9578460454940795898
DATA log10rodataL19<>+48(SB)/8, $0.78962633073318517310E-01
DATA log10rodataL19<>+56(SB)/8, $-.71784211884836937993E-02
DATA log10rodataL19<>+64(SB)/8, $0.87011165920689940661E-03
DATA log10rodataL19<>+72(SB)/8, $-.11865158981621437541E-03
DATA log10rodataL19<>+80(SB)/8, $0.17258413403018680410E-04
DATA log10rodataL19<>+88(SB)/8, $0.40752932047883484315E-06
DATA log10rodataL19<>+96(SB)/8, $-.26149194688832680410E-05
DATA log10rodataL19<>+104(SB)/8, $0.92453396963875026759E-08
DATA log10rodataL19<>+112(SB)/8, $-.64572084905921579630E-07
DATA log10rodataL19<>+120(SB)/8, $-5.5
DATA log10rodataL19<>+128(SB)/8, $18446744073709551616.
GLOBL log10rodataL19<>+0(SB), RODATA, $136

// Table of log10 correction terms
DATA log10tab2074<>+0(SB)/8, $0.254164497922885069E-01
DATA log10tab2074<>+8(SB)/8, $0.179018857989381839E-01
DATA log10tab2074<>+16(SB)/8, $0.118926768029048674E-01
DATA log10tab2074<>+24(SB)/8, $0.722595568238080033E-02
DATA log10tab2074<>+32(SB)/8, $0.376393570022739135E-02
DATA log10tab2074<>+40(SB)/8, $0.138901135928814326E-02
DATA log10tab2074<>+48(SB)/8, $0
DATA log10tab2074<>+56(SB)/8, $-0.490780466387818203E-03
DATA log10tab2074<>+64(SB)/8, $-0.159811431402137571E-03
DATA log10tab2074<>+72(SB)/8, $0.925796337165100494E-03
DATA log10tab2074<>+80(SB)/8, $0.270683176738357035E-02
DATA log10tab2074<>+88(SB)/8, $0.513079030821304758E-02
DATA log10tab2074<>+96(SB)/8, $0.815089785397996303E-02
DATA log10tab2074<>+104(SB)/8, $0.117253060262419215E-01
DATA log10tab2074<>+112(SB)/8, $0.158164239345343963E-01
DATA log10tab2074<>+120(SB)/8, $0.203903595489229786E-01
GLOBL log10tab2074<>+0(SB), RODATA, $128

// Log10 returns the decimal logarithm of the argument.
//
// Special cases are:
//      Log(+Inf) = +Inf
//      Log(0) = -Inf
//      Log(x < 0) = NaN
//      Log(NaN) = NaN
// The algorithm used is minimax polynomial approximation
// with coefficients determined with a Remez exchange algorithm.

TEXT ·log10Asm(SB),NOSPLIT,$8-16
	FMOVD   x+0(FP), F0
	MOVD    $log10rodataL19<>+0(SB), R9
	FMOVD   F0, x-8(SP)
	WORD    $0xC0298006     //iilf %r2,2147909631
	BYTE    $0x7F
	BYTE    $0xFF
	WORD    $0x5840F008     //l %r4, 8(%r15)
	SUBW    R4, R2, R3
	RISBGZ	$32, $47, $0, R3, R5
	MOVH    $0x0, R1
	RISBGN	$0, $31, $32, R5, R1
	WORD    $0xC0590016     //iilf %r5,1507327
	BYTE    $0xFF
	BYTE    $0xFF
	MOVW    R4, R10
	MOVW    R5, R11
	CMPBLE  R10, R11, L2
	WORD    $0xC0297FEF     //iilf %r2,2146435071
	BYTE    $0xFF
	BYTE    $0xFF
	MOVW    R4, R10
	MOVW    R2, R11
	CMPBLE  R10, R11, L16
L3:
L1:
	FMOVD   F0, ret+8(FP)
	RET

L2:
	LTDBR	F0, F0
	BLEU    L13
	WORD    $0xED009080     //mdb %f0,.L20-.L19(%r9)
	BYTE    $0x00
	BYTE    $0x1C
	FMOVD   F0, x-8(SP)
	WORD    $0x5B20F008     //s %r2, 8(%r15)
	RISBGZ	$57, $60, $51, R2, R3
	ANDW    $0xFFFF0000, R2
	RISBGN	$0, $31, $32, R2, R1
	ADDW    $0x4000000, R2
	BLEU    L17
L8:
	SRW     $8, R2, R2
	ORW     $0x45000000, R2
L4:
	FMOVD   log10rodataL19<>+120(SB), F2
	LDGR    R1, F4
	WFMADB  V4, V0, V2, V0
	FMOVD   log10rodataL19<>+112(SB), F4
	FMOVD   log10rodataL19<>+104(SB), F6
	WFMADB  V0, V6, V4, V6
	FMOVD   log10rodataL19<>+96(SB), F4
	FMOVD   log10rodataL19<>+88(SB), F1
	WFMADB  V0, V1, V4, V1
	WFMDB   V0, V0, V4
	FMOVD   log10rodataL19<>+80(SB), F2
	WFMADB  V6, V4, V1, V6
	FMOVD   log10rodataL19<>+72(SB), F1
	WFMADB  V0, V2, V1, V2
	FMOVD   log10rodataL19<>+64(SB), F1
	RISBGZ	$57, $60, $0, R3, R3
	WFMADB  V4, V6, V2, V6
	FMOVD   log10rodataL19<>+56(SB), F2
	WFMADB  V0, V1, V2, V1
	VLVGF   $0, R2, V2
	WFMADB  V4, V6, V1, V4
	LDEBR   F2, F2
	FMOVD   log10rodataL19<>+48(SB), F6
	WFMADB  V0, V4, V6, V4
	FMOVD   log10rodataL19<>+40(SB), F1
	FMOVD   log10rodataL19<>+32(SB), F6
	MOVD    $log10tab2074<>+0(SB), R1
	WFMADB  V2, V1, V6, V2
	WORD    $0x68331000     //ld %f3,0(%r3,%r1)
	WFMADB  V0, V4, V3, V0
	FMOVD   log10rodataL19<>+24(SB), F4
	FMADD   F4, F2, F0
	FMOVD   F0, ret+8(FP)
	RET

L16:
	RISBGZ	$40, $55, $56, R3, R2
	RISBGZ	$57, $60, $51, R3, R3
	ORW     $0x45000000, R2
	BR      L4
L13:
	BGE     L18     //jnl .L18
	BVS     L18
	FMOVD   log10rodataL19<>+16(SB), F0
	BR      L1
L17:
	SRAW    $1, R2, R2
	SUBW    $0x40000000, R2
	BR      L8
L18:
	FMOVD   log10rodataL19<>+8(SB), F0
	WORD    $0xED009000     //ddb %f0,.L36-.L19(%r9)
	BYTE    $0x00
	BYTE    $0x1D
	BR      L1

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