// 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

	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")
	})
}

			// 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"},

		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 {

		} else {
			items = make([]lex.Token, 0, 3)
		}
		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 {

LICENSE file. //go:build (amd64 || arm64 || ppc64 || ppc64le || riscv64) && !purego package subtle //go:noescape func xorBytes(dst, a, b *byte, n int) golang.org/fips140@v1.26.0/fips140/v1.26.0/subtle/xor_generic.go // Copyright 2013 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 (!amd64 && !arm64 && !loong64 && !ppc64 && !ppc64le && !riscv64) || purego package subtle import ( "runtime" "unsafe" ) const...