riscv.AAMOANDW, riscv.AAMOANDD, riscv.AAMOORW, riscv.AAMOORD, riscv.AAMOXORW, riscv.AAMOXORD,
		riscv.AAMOMINW, riscv.AAMOMIND, riscv.AAMOMINUW, riscv.AAMOMINUD,
		riscv.AAMOMAXW, riscv.AAMOMAXD, riscv.AAMOMAXUW, riscv.AAMOMAXUD:
		return true
	}
	return false
}

// IsRISCV64VTypeI reports whether op is a vtype immediate instruction that
// requires special handling.
func IsRISCV64VTypeI(op obj.As) bool {

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)

	defer func(orig int) { buildcfg.GORISCV64 = orig }(buildcfg.GORISCV64)

	for _, goriscv64 := range []int{20, 22, 23} {
		t.Run(fmt.Sprintf("rva%vu64", goriscv64), func(t *testing.T) {
			buildcfg.GORISCV64 = goriscv64
			testFn(t)
		})
	}
}

func TestRISCV64EndToEnd(t *testing.T) {
	testRISCV64AllProfiles(t, func(t *testing.T) {
		testEndToEnd(t, "riscv64", "riscv64")
	})
}

	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>

	{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"},

	register["TP"] = riscv.REG_TP
	register["T0"] = riscv.REG_T0
	register["T1"] = riscv.REG_T1
	register["T2"] = riscv.REG_T2
	register["S0"] = riscv.REG_S0
	register["S1"] = riscv.REG_S1
	register["A0"] = riscv.REG_A0
	register["A1"] = riscv.REG_A1
	register["A2"] = riscv.REG_A2
	register["A3"] = riscv.REG_A3
	register["A4"] = riscv.REG_A4
	register["A5"] = riscv.REG_A5
	register["A6"] = riscv.REG_A6

		}
		for {
			tok = p.nextToken()
			if len(operands) == 0 && len(items) == 0 {
				if p.arch.InFamily(sys.ARM, sys.ARM64, sys.AMD64, sys.I386, sys.Loong64, sys.RISCV64) && tok == '.' {
					// Suffixes: ARM conditionals, Loong64 vector instructions, RISCV rounding mode or x86 modifiers.
					tok = p.nextToken()
					str := p.lex.Text()
					if tok != scanner.Ident {