diff options
| author | Joel Sing <joel@sing.id.au> | 2020-02-26 03:05:57 +1100 |
|---|---|---|
| committer | Robert Griesemer <gri@golang.org> | 2020-02-25 16:43:26 +0000 |
| commit | 89f249a40d6317620243bc2dac083dffafcb4448 (patch) | |
| tree | 80657e45dfc984d7429cdb1161852c322da73213 /src/math | |
| parent | 80e67324f0a722950cbf5b3ece461101996cc781 (diff) | |
| download | go-89f249a40d6317620243bc2dac083dffafcb4448.tar.xz | |
math: implement Sqrt in assembly for riscv64
Change-Id: I9a5dc33271434e58335f5562a30cc131c6a8332c
Reviewed-on: https://go-review.googlesource.com/c/go/+/220918
Reviewed-by: Robert Griesemer <gri@golang.org>
Diffstat (limited to 'src/math')
| -rw-r--r-- | src/math/sqrt_riscv64.s | 14 | ||||
| -rw-r--r-- | src/math/stubs_riscv64.s | 3 |
2 files changed, 14 insertions, 3 deletions
diff --git a/src/math/sqrt_riscv64.s b/src/math/sqrt_riscv64.s new file mode 100644 index 0000000000..048171b9fb --- /dev/null +++ b/src/math/sqrt_riscv64.s @@ -0,0 +1,14 @@ +// Copyright 2020 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. + +// +build riscv64 + +#include "textflag.h" + +// func Sqrt(x float64) float64 +TEXT ·Sqrt(SB),NOSPLIT,$0 + MOVD x+0(FP), F0 + FSQRTD F0, F0 + MOVD F0, ret+8(FP) + RET diff --git a/src/math/stubs_riscv64.s b/src/math/stubs_riscv64.s index 6a122125e6..ed2b572864 100644 --- a/src/math/stubs_riscv64.s +++ b/src/math/stubs_riscv64.s @@ -97,9 +97,6 @@ TEXT ·Cos(SB),NOSPLIT,$0 TEXT ·Cosh(SB),NOSPLIT,$0 JMP ·cosh(SB) -TEXT ·Sqrt(SB),NOSPLIT,$0 - JMP ·sqrt(SB) - TEXT ·Tan(SB),NOSPLIT,$0 JMP ·tan(SB) |