// result: (SHLXL x y)
	for {
		x := v_0
		y := v_1
		if !(buildcfg.GOAMD64 >= 3) {
			break
		}
		v.reset(OpAMD64SHLXL)
		v.AddArg2(x, y)
		return true
	}
	return false
}
func rewriteValueAMD64latelower_OpAMD64SHLQ(v *Value) bool {
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	// match: (SHLQ x y)
	// cond: buildcfg.GOAMD64 >= 3
	// result: (SHLXQ x y)
	for {
		x := v_0

	"testing"
)

func TestConfigFlags(t *testing.T) {
	os.Setenv("GOAMD64", "v1")
	if goamd64() != 1 {
		t.Errorf("Wrong parsing of GOAMD64=v1")
	}
	os.Setenv("GOAMD64", "v4")
	if goamd64() != 4 {
		t.Errorf("Wrong parsing of GOAMD64=v4")
	}
	Error = nil
	os.Setenv("GOAMD64", "1")
	if goamd64(); Error == nil {
		t.Errorf("Wrong parsing of GOAMD64=1")
	}

	os.Setenv("GORISCV64", "rva20u64")
	if goriscv64() != 20 {

	if x := os.Getenv(key); x != "" {
		return x
	}
	return value
}

func goamd64() int {
	switch v := envOr("GOAMD64", defaultGOAMD64); v {
	case "v1":
		return 1
	case "v2":
		return 2
	case "v3":
		return 3
	case "v4":
		return 4
	}
	Error = fmt.Errorf("invalid GOAMD64: must be v1, v2, v3, v4")
	return int(defaultGOAMD64[len("v")] - '0')
}

type goarmFeatures struct {

(MOVWQZX x) && zeroUpper48Bits(x,3)...

	telemetry.Inc("go/platform/target/goarch:" + cfg.Goarch)
	switch cfg.Goarch {
	case "386":
		telemetry.Inc("go/platform/target/go386:" + cfg.GO386)
	case "amd64":
		telemetry.Inc("go/platform/target/goamd64:" + cfg.GOAMD64)
	case "arm":
		telemetry.Inc("go/platform/target/goarm:" + cfg.GOARM)
	case "arm64":
		telemetry.Inc("go/platform/target/goarm64:" + cfg.GOARM64)
	case "mips":

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// This package holds the race detector .syso for
// amd64 architectures with GOAMD64>=v3.

//go:build amd64 && linux && amd64.v3

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// This package holds the race detector .syso for
// amd64 architectures with GOAMD64<v3.

//go:build amd64 && ((linux && !amd64.v3) || darwin || freebsd || netbsd || openbsd || windows)

env GOOS=linux

env GOARCH=amd64
env GOAMD64=v3
go list -f '{{context.ToolTags}}'
stdout 'amd64.v1 amd64.v2 amd64.v3'

env GOARCH=arm
env GOARM=6
go list -f '{{context.ToolTags}}'
stdout 'arm.5 arm.6'

env GOARCH=mips
env GOMIPS=hardfloat
go list -f '{{context.ToolTags}}'
stdout 'mips.hardfloat'

env GOARCH=mips64
env GOMIPS=hardfloat
go list -f '{{context.ToolTags}}'
stdout 'mips64.hardfloat'

env GOARCH=ppc64

	CGO_CXXFLAGS_DISALLOW
	CGO_ENABLED
	CGO_FFLAGS
	CGO_FFLAGS_ALLOW
	CGO_FFLAGS_DISALLOW
	CGO_LDFLAGS
	CGO_LDFLAGS_ALLOW
	CGO_LDFLAGS_DISALLOW
	CXX
	FC
	GCCGO
	GO111MODULE
	GO386
	GOAMD64
	GOARCH
	GOARM
	GOARM64
	GOBIN
	GOCACHE
	GOCACHEPROG
	GOENV
	GOEXE
	GOEXPERIMENT
	GOFLAGS
	GOGCCFLAGS
	GOHOSTARCH
	GOHOSTOS
	GOINSECURE
	GOMIPS
	GOMIPS64
	GOMODCACHE

		t.Fatalf("HasAVX512F expected true when HasAVX512VL is true, got false")
	}
}

func TestDisableSSE3(t *testing.T) {
	if GetGOAMD64level() > 1 {
		t.Skip("skipping test: can't run on GOAMD64>v1 machines")
	}
	runDebugOptionsTest(t, "TestSSE3DebugOption", "cpu.sse3=off")
}

func TestSSE3DebugOption(t *testing.T) {
	MustHaveDebugOptionsSupport(t)

	if godebug.New("#cpu.sse3").Value() != "off" {