Adding upstream version 1.16.10.upstream/1.16.10upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 211 insertions, 0 deletions

diff --git a/src/math/cosh_s390x.s b/src/math/cosh_s390x.s
new file mode 100644
index 0000000..ca1d86e
--- /dev/null
+++ b/src/math/cosh_s390x.s
@@ -0,0 +1,211 @@
+// 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
+