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internal/abi: define riscv64 register ABI constants

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Add the riscv64 register ABI constants and allow regabi
value to be set for riscv64

Change-Id: I3ce98bf9a29d2acc00f92650b27bc59884ed62ad
Reviewed-on: https://go-review.googlesource.com/c/go/+/359336
Trust: mzh <mzh@golangcn.org>
Reviewed-by: Cherry Mui <cherryyz@google.com>
Run-TryBot: mzh <mzh@golangcn.org>
TryBot-Result: Gopher Robot <gobot@golang.org>
This commit is contained in:
Meng Zhuo 2021-11-03 16:17:45 +08:00 committed by mzh
parent 80a7504a13
commit 0652274c10
1 changed files with 19 additions and 0 deletions
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19
src/internal/abi/abi_riscv64.go Normal file
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// Copyright 2022 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.
//go:build goexperiment.regabiargs
package abi
const (
// See abi_generic.go.
// X8 - X23
IntArgRegs = 16
// F8 - F23.
FloatArgRegs = 16
EffectiveFloatRegSize = 8
)