// 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.

// This file encapsulates some of the odd characteristics of the RISCV64
// instruction set, to minimize its interaction with the core of the
// assembler.

package arch

import (
	"cmd/internal/obj"
	"cmd/internal/obj/riscv"
	"fmt"
)

Qiu Weihong <******@****.***> 1758704620 +0800

	return 0
}

assert_is_supported_arch() {
	case "${ARCH}" in
	x86_64 | amd64 | aarch64 | ppc64le | arm* | s390x | loong64 | loongarch64 | riscv64)
		return
		;;
	*)
		echo "Arch '${ARCH}' is not supported. Supported Arch: [x86_64, amd64, aarch64, ppc64le, arm*, s390x, loong64, loongarch64, riscv64]"
		exit 1
		;;
	esac
}

assert_is_supported_os() {
	case "${KNAME}" in
	Linux | FreeBSD | OpenBSD | NetBSD | DragonFly | SunOS)

	testRISCV64AllProfiles(t, func(t *testing.T) {
		testEndToEnd(t, "riscv64", "riscv64")
	})
}

func TestRISCV64Errors(t *testing.T) {
	testRISCV64AllProfiles(t, func(t *testing.T) {
		testErrors(t, "riscv64", "riscv64error")
	})
}

func TestRISCV64Validation(t *testing.T) {
	testRISCV64AllProfiles(t, func(t *testing.T) {
		testErrors(t, "riscv64", "riscv64validation")
	})
}

	SUPPORTED_OSARCH="linux/ppc64le linux/mips64 linux/amd64 linux/arm64 linux/s390x darwin/arm64 darwin/amd64 freebsd/amd64 windows/amd64 linux/arm linux/386 netbsd/amd64 linux/mips openbsd/amd64 linux/riscv64"
}

function _build() {
	local osarch=$1
	IFS=/ read -r -a arr <<<"$osarch"
	os="${arr[0]}"
	arch="${arr[1]}"
	package=$(go list -f '{{.ImportPath}}')
	printf -- "--> %15s:%s\n" "${osarch}" "${package}"

			// passed RestArgs/AddRestSource
			switch a[1].Type {
			case obj.TYPE_REG:
				prog.Reg = p.getRegister(prog, op, &a[1])
			default:
				prog.AddRestSource(a[1])
			}
		case sys.RISCV64:
			// RISCV64 instructions with one input and two outputs.
			if arch.IsRISCV64AMO(op) {
				prog.From = a[0]
				prog.To = a[1]
				if a[2].Type != obj.TYPE_REG {

<code>softfloat</code>) is made available to assembly code by predefining either
<code>GOMIPS64_hardfloat</code> or <code>GOMIPS64_softfloat</code>.
</p>

<h3 id="riscv64">RISCV64</h3>

<p>
Reference: <a href="/pkg/cmd/internal/obj/riscv">Go RISCV64 Assembly Instructions Reference Manual</a>
</p>

<h3 id="unsupported_opcodes">Unsupported opcodes</h3>

<p>

pkg syscall (freebsd-arm-cgo), type SysProcAttr struct, Jail int #46259
pkg syscall (freebsd-arm), type SysProcAttr struct, Jail int #46259
pkg syscall (freebsd-riscv64-cgo), type SysProcAttr struct, Jail int #46259
pkg syscall (freebsd-riscv64), type SysProcAttr struct, Jail int #46259
pkg testing, func Testing() bool #52600
pkg testing/slogtest, func TestHandler(slog.Handler, func() []map[string]interface{}) error #56345

	{GOOS: "freebsd", GOARCH: "arm"},
	{GOOS: "freebsd", GOARCH: "arm64", CgoEnabled: true},
	{GOOS: "freebsd", GOARCH: "arm64"},
	{GOOS: "freebsd", GOARCH: "riscv64", CgoEnabled: true},
	{GOOS: "freebsd", GOARCH: "riscv64"},
	{GOOS: "netbsd", GOARCH: "386", CgoEnabled: true},
	{GOOS: "netbsd", GOARCH: "386"},
	{GOOS: "netbsd", GOARCH: "amd64", CgoEnabled: true},
	{GOOS: "netbsd", GOARCH: "amd64"},

		return archMips64(&mips.Linkmips64)
	case "mips64le":
		return archMips64(&mips.Linkmips64le)
	case "ppc64":
		return archPPC64(&ppc64.Linkppc64)
	case "ppc64le":
		return archPPC64(&ppc64.Linkppc64le)
	case "riscv64":
		return archRISCV64(shared)
	case "s390x":
		return archS390x()
	case "wasm":
		return archWasm()
	}
	return nil
}

func jumpX86(word string) bool {