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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:16:40 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-28 13:16:40 +0000
commit47ab3d4a42e9ab51c465c4322d2ec233f6324e6b (patch)
treea61a0ffd83f4a3def4b36e5c8e99630c559aa723 /src/math/asinh_s390x.s
parentInitial commit. (diff)
downloadgolang-1.18-upstream.tar.xz
golang-1.18-upstream.zip
Adding upstream version 1.18.10.upstream/1.18.10upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/math/asinh_s390x.s')
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1 files changed, 213 insertions, 0 deletions
diff --git a/src/math/asinh_s390x.s b/src/math/asinh_s390x.s
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+// Copyright 2017 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 ·asinhrodataL18<> + 0(SB)/8, $0.749999999977387502E-01
+DATA ·asinhrodataL18<> + 8(SB)/8, $-.166666666666657082E+00
+DATA ·asinhrodataL18<> + 16(SB)/8, $0.303819368237360639E-01
+DATA ·asinhrodataL18<> + 24(SB)/8, $-.446428569571752982E-01
+DATA ·asinhrodataL18<> + 32(SB)/8, $0.173500047922695924E-01
+DATA ·asinhrodataL18<> + 40(SB)/8, $-.223719767210027185E-01
+DATA ·asinhrodataL18<> + 48(SB)/8, $0.113655037946822130E-01
+DATA ·asinhrodataL18<> + 56(SB)/8, $0.579747490622448943E-02
+DATA ·asinhrodataL18<> + 64(SB)/8, $-.139372433914359122E-01
+DATA ·asinhrodataL18<> + 72(SB)/8, $-.218674325255800840E-02
+DATA ·asinhrodataL18<> + 80(SB)/8, $-.891074277756961157E-02
+DATA ·asinhrodataL18<> + 88(SB)/8, $.41375273347623353626
+DATA ·asinhrodataL18<> + 96(SB)/8, $.51487302528619766235E+04
+DATA ·asinhrodataL18<> + 104(SB)/8, $-1.67526912689208984375
+DATA ·asinhrodataL18<> + 112(SB)/8, $0.181818181818181826E+00
+DATA ·asinhrodataL18<> + 120(SB)/8, $-.165289256198351540E-01
+DATA ·asinhrodataL18<> + 128(SB)/8, $0.200350613573012186E-02
+DATA ·asinhrodataL18<> + 136(SB)/8, $-.273205381970859341E-03
+DATA ·asinhrodataL18<> + 144(SB)/8, $0.397389654305194527E-04
+DATA ·asinhrodataL18<> + 152(SB)/8, $0.938370938292558173E-06
+DATA ·asinhrodataL18<> + 160(SB)/8, $0.212881813645679599E-07
+DATA ·asinhrodataL18<> + 168(SB)/8, $-.602107458843052029E-05
+DATA ·asinhrodataL18<> + 176(SB)/8, $-.148682720127920854E-06
+DATA ·asinhrodataL18<> + 184(SB)/8, $-5.5
+DATA ·asinhrodataL18<> + 192(SB)/8, $1.0
+DATA ·asinhrodataL18<> + 200(SB)/8, $1.0E-20
+GLOBL ·asinhrodataL18<> + 0(SB), RODATA, $208
+
+// Table of log correction terms
+DATA ·asinhtab2080<> + 0(SB)/8, $0.585235384085551248E-01
+DATA ·asinhtab2080<> + 8(SB)/8, $0.412206153771168640E-01
+DATA ·asinhtab2080<> + 16(SB)/8, $0.273839003221648339E-01
+DATA ·asinhtab2080<> + 24(SB)/8, $0.166383778368856480E-01
+DATA ·asinhtab2080<> + 32(SB)/8, $0.866678223433169637E-02
+DATA ·asinhtab2080<> + 40(SB)/8, $0.319831684989627514E-02
+DATA ·asinhtab2080<> + 48(SB)/8, $0.0
+DATA ·asinhtab2080<> + 56(SB)/8, $-.113006378583725549E-02
+DATA ·asinhtab2080<> + 64(SB)/8, $-.367979419636602491E-03
+DATA ·asinhtab2080<> + 72(SB)/8, $0.213172484510484979E-02
+DATA ·asinhtab2080<> + 80(SB)/8, $0.623271047682013536E-02
+DATA ·asinhtab2080<> + 88(SB)/8, $0.118140812789696885E-01
+DATA ·asinhtab2080<> + 96(SB)/8, $0.187681358930914206E-01
+DATA ·asinhtab2080<> + 104(SB)/8, $0.269985148668178992E-01
+DATA ·asinhtab2080<> + 112(SB)/8, $0.364186619761331328E-01
+DATA ·asinhtab2080<> + 120(SB)/8, $0.469505379381388441E-01
+GLOBL ·asinhtab2080<> + 0(SB), RODATA, $128
+
+// Asinh returns the inverse hyperbolic sine of the argument.
+//
+// Special cases are:
+// Asinh(±0) = ±0
+// Asinh(±Inf) = ±Inf
+// Asinh(NaN) = NaN
+// The algorithm used is minimax polynomial approximation
+// with coefficients determined with a Remez exchange algorithm.
+
+TEXT ·asinhAsm(SB), NOSPLIT, $0-16
+ FMOVD x+0(FP), F0
+ MOVD $·asinhrodataL18<>+0(SB), R9
+ LGDR F0, R12
+ WORD $0xC0293FDF //iilf %r2,1071644671
+ BYTE $0xFF
+ BYTE $0xFF
+ SRAD $32, R12
+ WORD $0xB917001C //llgtr %r1,%r12
+ MOVW R1, R6
+ MOVW R2, R7
+ CMPBLE R6, R7, L2
+ WORD $0xC0295FEF //iilf %r2,1609564159
+ BYTE $0xFF
+ BYTE $0xFF
+ MOVW R2, R7
+ CMPBLE R6, R7, L14
+L3:
+ WORD $0xC0297FEF //iilf %r2,2146435071
+ BYTE $0xFF
+ BYTE $0xFF
+ CMPW R1, R2
+ BGT L1
+ LTDBR F0, F0
+ FMOVD F0, F10
+ BLTU L15
+L9:
+ FMOVD $0, F0
+ WFADB V0, V10, V0
+ WORD $0xC0398006 //iilf %r3,2147909631
+ BYTE $0x7F
+ BYTE $0xFF
+ LGDR F0, R5
+ SRAD $32, R5
+ MOVH $0x0, R2
+ SUBW R5, R3
+ FMOVD $0, F8
+ RISBGZ $32, $47, $0, R3, R4
+ BYTE $0x18 //lr %r1,%r4
+ BYTE $0x14
+ RISBGN $0, $31, $32, R4, R2
+ SUBW $0x100000, R1
+ SRAW $8, R1, R1
+ ORW $0x45000000, R1
+ BR L6
+L2:
+ MOVD $0x30000000, R2
+ CMPW R1, R2
+ BGT L16
+ FMOVD 200(R9), F2
+ FMADD F2, F0, F0
+L1:
+ FMOVD F0, ret+8(FP)
+ RET
+L14:
+ LTDBR F0, F0
+ BLTU L17
+ FMOVD F0, F10
+L4:
+ FMOVD 192(R9), F2
+ WFMADB V0, V0, V2, V0
+ LTDBR F0, F0
+ FSQRT F0, F8
+L5:
+ WFADB V8, V10, V0
+ WORD $0xC0398006 //iilf %r3,2147909631
+ BYTE $0x7F
+ BYTE $0xFF
+ LGDR F0, R5
+ SRAD $32, R5
+ MOVH $0x0, R2
+ SUBW R5, R3
+ RISBGZ $32, $47, $0, R3, R4
+ SRAW $8, R4, R1
+ RISBGN $0, $31, $32, R4, R2
+ ORW $0x45000000, R1
+L6:
+ LDGR R2, F2
+ FMOVD 184(R9), F0
+ WFMADB V8, V2, V0, V8
+ FMOVD 176(R9), F4
+ WFMADB V10, V2, V8, V2
+ FMOVD 168(R9), F0
+ FMOVD 160(R9), F6
+ FMOVD 152(R9), F1
+ WFMADB V2, V6, V4, V6
+ WFMADB V2, V1, V0, V1
+ WFMDB V2, V2, V4
+ FMOVD 144(R9), F0
+ WFMADB V6, V4, V1, V6
+ FMOVD 136(R9), F1
+ RISBGZ $57, $60, $51, R3, R3
+ WFMADB V2, V0, V1, V0
+ FMOVD 128(R9), F1
+ WFMADB V4, V6, V0, V6
+ FMOVD 120(R9), F0
+ WFMADB V2, V1, V0, V1
+ VLVGF $0, R1, V0
+ WFMADB V4, V6, V1, V4
+ LDEBR F0, F0
+ FMOVD 112(R9), F6
+ WFMADB V2, V4, V6, V4
+ MOVD $·asinhtab2080<>+0(SB), R1
+ FMOVD 104(R9), F1
+ WORD $0x68331000 //ld %f3,0(%r3,%r1)
+ FMOVD 96(R9), F6
+ WFMADB V2, V4, V3, V2
+ WFMADB V0, V1, V6, V0
+ FMOVD 88(R9), F4
+ WFMADB V0, V4, V2, V0
+ MOVD R12, R6
+ CMPBGT R6, $0, L1
+
+ WORD $0xB3130000 //lcdbr %f0,%f0
+ FMOVD F0, ret+8(FP)
+ RET
+L16:
+ WFMDB V0, V0, V1
+ FMOVD 80(R9), F6
+ WFMDB V1, V1, V4
+ FMOVD 72(R9), F2
+ WFMADB V4, V2, V6, V2
+ FMOVD 64(R9), F3
+ FMOVD 56(R9), F6
+ WFMADB V4, V2, V3, V2
+ FMOVD 48(R9), F3
+ WFMADB V4, V6, V3, V6
+ FMOVD 40(R9), F5
+ FMOVD 32(R9), F3
+ WFMADB V4, V2, V5, V2
+ WFMADB V4, V6, V3, V6
+ FMOVD 24(R9), F5
+ FMOVD 16(R9), F3
+ WFMADB V4, V2, V5, V2
+ WFMADB V4, V6, V3, V6
+ FMOVD 8(R9), F5
+ FMOVD 0(R9), F3
+ WFMADB V4, V2, V5, V2
+ WFMADB V4, V6, V3, V4
+ WFMDB V0, V1, V6
+ WFMADB V1, V4, V2, V4
+ FMADD F4, F6, F0
+ FMOVD F0, ret+8(FP)
+ RET
+L17:
+ WORD $0xB31300A0 //lcdbr %f10,%f0
+ BR L4
+L15:
+ WORD $0xB31300A0 //lcdbr %f10,%f0
+ BR L9