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📄 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: cosh_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"

// Constants
DATA coshrodataL23<>+0(SB)/8, $0.231904681384629956E-16
DATA coshrodataL23<>+8(SB)/8, $0.693147180559945286E+00
DATA coshrodataL23<>+16(SB)/8, $0.144269504088896339E+01
DATA coshrodataL23<>+24(SB)/8, $704.E0
GLOBL coshrodataL23<>+0(SB), RODATA, $32
DATA coshxinf<>+0(SB)/8, $0x7FF0000000000000
GLOBL coshxinf<>+0(SB), RODATA, $8
DATA coshxlim1<>+0(SB)/8, $800.E0
GLOBL coshxlim1<>+0(SB), RODATA, $8
DATA coshxaddhy<>+0(SB)/8, $0xc2f0000100003fdf
GLOBL coshxaddhy<>+0(SB), RODATA, $8
DATA coshx4ff<>+0(SB)/8, $0x4ff0000000000000
GLOBL coshx4ff<>+0(SB), RODATA, $8
DATA coshe1<>+0(SB)/8, $0x3ff000000000000a
GLOBL coshe1<>+0(SB), RODATA, $8

// Log multiplier table
DATA coshtab<>+0(SB)/8, $0.442737824274138381E-01
DATA coshtab<>+8(SB)/8, $0.263602189790660309E-01
DATA coshtab<>+16(SB)/8, $0.122565642281703586E-01
DATA coshtab<>+24(SB)/8, $0.143757052860721398E-02
DATA coshtab<>+32(SB)/8, $-.651375034121276075E-02
DATA coshtab<>+40(SB)/8, $-.119317678849450159E-01
DATA coshtab<>+48(SB)/8, $-.150868749549871069E-01
DATA coshtab<>+56(SB)/8, $-.161992609578469234E-01
DATA coshtab<>+64(SB)/8, $-.154492360403337917E-01
DATA coshtab<>+72(SB)/8, $-.129850717389178721E-01
DATA coshtab<>+80(SB)/8, $-.892902649276657891E-02
DATA coshtab<>+88(SB)/8, $-.338202636596794887E-02
DATA coshtab<>+96(SB)/8, $0.357266307045684762E-02
DATA coshtab<>+104(SB)/8, $0.118665304327406698E-01
DATA coshtab<>+112(SB)/8, $0.214434994118118914E-01
DATA coshtab<>+120(SB)/8, $0.322580645161290314E-01
GLOBL coshtab<>+0(SB), RODATA, $128

// Minimax polynomial approximations
DATA coshe2<>+0(SB)/8, $0.500000000000004237e+00
GLOBL coshe2<>+0(SB), RODATA, $8
DATA coshe3<>+0(SB)/8, $0.166666666630345592e+00
GLOBL coshe3<>+0(SB), RODATA, $8
DATA coshe4<>+0(SB)/8, $0.416666664838056960e-01
GLOBL coshe4<>+0(SB), RODATA, $8
DATA coshe5<>+0(SB)/8, $0.833349307718286047e-02
GLOBL coshe5<>+0(SB), RODATA, $8
DATA coshe6<>+0(SB)/8, $0.138926439368309441e-02
GLOBL coshe6<>+0(SB), RODATA, $8

// Cosh returns the hyperbolic cosine of x.
//
// Special cases are:
//      Cosh(±0) = 1
//      Cosh(±Inf) = +Inf
//      Cosh(NaN) = NaN
// The algorithm used is minimax polynomial approximation
// with coefficients determined with a Remez exchange algorithm.

TEXT ·coshAsm(SB),NOSPLIT,$0-16
	FMOVD   x+0(FP), F0
	MOVD    $coshrodataL23<>+0(SB), R9
	LTDBR	F0, F0
	MOVD    $0x4086000000000000, R2
	MOVD    $0x4086000000000000, R3
	BLTU    L19
	FMOVD   F0, F4
L2:
	WORD    $0xED409018     //cdb %f4,.L24-.L23(%r9)
	BYTE    $0x00
	BYTE    $0x19
	BGE     L14     //jnl   .L14
	BVS     L14
	WFCEDBS V4, V4, V2
	BEQ     L20
L1:
	FMOVD   F0, ret+8(FP)
	RET

L14:
	WFCEDBS V4, V4, V2
	BVS     L1
	MOVD    $coshxlim1<>+0(SB), R1
	FMOVD   0(R1), F2
	WFCHEDBS        V4, V2, V2
	BEQ     L21
	MOVD    $coshxaddhy<>+0(SB), R1
	FMOVD   coshrodataL23<>+16(SB), F5
	FMOVD   0(R1), F2
	WFMSDB  V0, V5, V2, V5
	FMOVD   coshrodataL23<>+8(SB), F3
	FADD    F5, F2
	MOVD    $coshe6<>+0(SB), R1
	WFMSDB  V2, V3, V0, V3
	FMOVD   0(R1), F6
	WFMDB   V3, V3, V1
	MOVD    $coshe4<>+0(SB), R1
	FMOVD   coshrodataL23<>+0(SB), F7
	WFMADB  V2, V7, V3, V2
	FMOVD   0(R1), F3
	MOVD    $coshe5<>+0(SB), R1
	WFMADB  V1, V6, V3, V6
	FMOVD   0(R1), F7
	MOVD    $coshe3<>+0(SB), R1
	FMOVD   0(R1), F3
	WFMADB  V1, V7, V3, V7
	FNEG    F2, F3
	LGDR    F5, R1
	MOVD    $coshe2<>+0(SB), R3
	WFCEDBS V4, V0, V0
	FMOVD   0(R3), F5
	MOVD    $coshe1<>+0(SB), R3
	WFMADB  V1, V6, V5, V6
	FMOVD   0(R3), F5
	RISBGN	$0, $15, $48, R1, R2
	WFMADB  V1, V7, V5, V1
	BVS     L22
	RISBGZ	$57, $60, $3, R1, R4
	MOVD    $coshtab<>+0(SB), R3
	WFMADB  V3, V6, V1, V6
	WORD    $0x68043000     //ld    %f0,0(%r4,%r3)
	FMSUB   F0, F3, F2
	WORD    $0xA71AF000     //ahi   %r1,-4096
	WFMADB  V2, V6, V0, V6
L17:
	RISBGN	$0, $15, $48, R1, R2
	LDGR    R2, F2
	FMADD   F2, F6, F2
	MOVD    $coshx4ff<>+0(SB), R1
	FMOVD   0(R1), F0
	FMUL    F2, F0
	FMOVD   F0, ret+8(FP)
	RET

L19:
	FNEG    F0, F4
	BR      L2
L20:
	MOVD    $coshxaddhy<>+0(SB), R1
	FMOVD   coshrodataL23<>+16(SB), F3
	FMOVD   0(R1), F2
	WFMSDB  V0, V3, V2, V3
	FMOVD   coshrodataL23<>+8(SB), F4
	FADD    F3, F2
	MOVD    $coshe6<>+0(SB), R1
	FMSUB   F4, F2, F0
	FMOVD   0(R1), F6
	WFMDB   V0, V0, V1
	MOVD    $coshe4<>+0(SB), R1
	FMOVD   0(R1), F4
	MOVD    $coshe5<>+0(SB), R1
	FMOVD   coshrodataL23<>+0(SB), F5
	WFMADB  V1, V6, V4, V6
	FMADD   F5, F2, F0
	FMOVD   0(R1), F2
	MOVD    $coshe3<>+0(SB), R1
	FMOVD   0(R1), F4
	WFMADB  V1, V2, V4, V2
	MOVD    $coshe2<>+0(SB), R1
	FMOVD   0(R1), F5
	FNEG    F0, F4
	WFMADB  V1, V6, V5, V6
	MOVD    $coshe1<>+0(SB), R1
	FMOVD   0(R1), F5
	WFMADB  V1, V2, V5, V1
	LGDR    F3, R1
	MOVD    $coshtab<>+0(SB), R5
	WFMADB  V4, V6, V1, V3
	RISBGZ	$57, $60, $3, R1, R4
	WFMSDB  V4, V6, V1, V6
	WORD    $0x68145000     //ld %f1,0(%r4,%r5)
	WFMSDB  V4, V1, V0, V2
	WORD    $0xA7487FBE     //lhi %r4,32702
	FMADD   F3, F2, F1
	SUBW    R1, R4
	RISBGZ	$57, $60, $3, R4, R12
	WORD    $0x682C5000     //ld %f2,0(%r12,%r5)
	FMSUB   F2, F4, F0
	RISBGN	$0, $15, $48, R1, R2
	WFMADB  V0, V6, V2, V6
	RISBGN	$0, $15, $48, R4, R3
	LDGR    R2, F2
	LDGR    R3, F0
	FMADD   F2, F1, F2
	FMADD   F0, F6, F0
	FADD    F2, F0
	FMOVD   F0, ret+8(FP)
	RET

L22:
	WORD    $0xA7387FBE     //lhi %r3,32702
	MOVD    $coshtab<>+0(SB), R4
	SUBW    R1, R3
	WFMSDB  V3, V6, V1, V6
	RISBGZ	$57, $60, $3, R3, R3
	WORD    $0x68034000     //ld %f0,0(%r3,%r4)
	FMSUB   F0, F3, F2
	WORD    $0xA7386FBE     //lhi %r3,28606
	WFMADB  V2, V6, V0, V6
	SUBW    R1, R3, R1
	BR      L17
L21:
	MOVD    $coshxinf<>+0(SB), R1
	FMOVD   0(R1), F0
	FMOVD   F0, ret+8(FP)
	RET

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Editing: cosh_s390x.s

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