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math, math/big: add support for riscv64 

Based on riscv-go port.

Updates #27532

Change-Id: Id8ae7d851c393ec3702e4176c363accb0a42587f
Reviewed-on: https://go-review.googlesource.com/c/go/+/204633
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
This commit is contained in:
Joel Sing 2019-11-04 05:06:56 +11:00 committed by Brad Fitzpatrick
parent 3743d21270
commit 5a3a5d3525
3 changed files with 115 additions and 2 deletions
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2
src/math/big/arith_decl.go
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@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !math_big_pure_go
// +build !math_big_pure_go,!riscv64
package big

2
src/math/big/arith_decl_pure.go
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@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build math_big_pure_go
// +build math_big_pure_go riscv64
package big

113
src/math/stubs_riscv64.s Normal file
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@ -0,0 +1,113 @@
// 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"
TEXT ·Asin(SB),NOSPLIT,$0
JMP ·asin(SB)
TEXT ·Acos(SB),NOSPLIT,$0
JMP ·acos(SB)
TEXT ·Asinh(SB),NOSPLIT,$0
JMP ·asinh(SB)
TEXT ·Acosh(SB),NOSPLIT,$0
JMP ·acosh(SB)
TEXT ·Atan2(SB),NOSPLIT,$0
JMP ·atan2(SB)
TEXT ·Atan(SB),NOSPLIT,$0
JMP ·atan(SB)
TEXT ·Atanh(SB),NOSPLIT,$0
JMP ·atanh(SB)
TEXT ·Min(SB),NOSPLIT,$0
JMP ·min(SB)
TEXT ·Max(SB),NOSPLIT,$0
JMP ·max(SB)
TEXT ·Erf(SB),NOSPLIT,$0
JMP ·erf(SB)
TEXT ·Erfc(SB),NOSPLIT,$0
JMP ·erfc(SB)
TEXT ·Exp2(SB),NOSPLIT,$0
JMP ·exp2(SB)
TEXT ·Expm1(SB),NOSPLIT,$0
JMP ·expm1(SB)
TEXT ·Exp(SB),NOSPLIT,$0
JMP ·exp(SB)
TEXT ·Floor(SB),NOSPLIT,$0
JMP ·floor(SB)
TEXT ·Ceil(SB),NOSPLIT,$0
JMP ·ceil(SB)
TEXT ·Trunc(SB),NOSPLIT,$0
JMP ·trunc(SB)
TEXT ·Frexp(SB),NOSPLIT,$0
JMP ·frexp(SB)
TEXT ·Hypot(SB),NOSPLIT,$0
JMP ·hypot(SB)
TEXT ·Ldexp(SB),NOSPLIT,$0
JMP ·ldexp(SB)
TEXT ·Log10(SB),NOSPLIT,$0
JMP ·log10(SB)
TEXT ·Log2(SB),NOSPLIT,$0
JMP ·log2(SB)
TEXT ·Log1p(SB),NOSPLIT,$0
JMP ·log1p(SB)
TEXT ·Log(SB),NOSPLIT,$0
JMP ·log(SB)
TEXT ·Modf(SB),NOSPLIT,$0
JMP ·modf(SB)
TEXT ·Mod(SB),NOSPLIT,$0
JMP ·mod(SB)
TEXT ·Remainder(SB),NOSPLIT,$0
JMP ·remainder(SB)
TEXT ·Sin(SB),NOSPLIT,$0
JMP ·sin(SB)
TEXT ·Sinh(SB),NOSPLIT,$0
JMP ·sinh(SB)
TEXT ·Cos(SB),NOSPLIT,$0
JMP ·cos(SB)
TEXT ·Cosh(SB),NOSPLIT,$0
JMP ·cosh(SB)
TEXT ·Sqrt(SB),NOSPLIT,$0
JMP ·sqrt(SB)
TEXT ·Tan(SB),NOSPLIT,$0
JMP ·tan(SB)
TEXT ·Tanh(SB),NOSPLIT,$0
JMP ·tanh(SB)
TEXT ·Cbrt(SB),NOSPLIT,$0
JMP ·cbrt(SB)
TEXT ·Pow(SB),NOSPLIT,$0
JMP ·pow(SB)