return op | (d&31)<<21 | (a&31)<<16 | (sbit&1)<<15 | (simm&0xF)<<11
}

/* VA-form 3-register + SHB operands */
func AOP_IRRR(op uint32, d uint32, a uint32, b uint32, simm uint32) uint32 {
	return op | (d&31)<<21 | (a&31)<<16 | (b&31)<<11 | (simm&0xF)<<6
}

/* VX-form 1-register + SIM operands */
func AOP_IR(op uint32, d uint32, simm uint32) uint32 {

}

// withT swaps out the testing struct. This allows executing sub tests.
func (sim *Simulation) withT(t *testing.T) *Simulation {
	cpy := *sim
	cpy.t = t
	return &cpy
}

func (sim *Simulation) RunExpectations(es []Expect) {
	for _, e := range es {
		sim.t.Run(e.Name, func(t *testing.T) {
			sim.withT(t).Run(e.Call).Matches(t, e.Result)
		})
	}
}

	HasSSE2             bool // Streaming SIMD extension 2 (always available on amd64)
	HasSSE3             bool // Streaming SIMD extension 3
	HasSSSE3            bool // Supplemental streaming SIMD extension 3
	HasSSE41            bool // Streaming SIMD extension 4 and 4.1
	HasSSE42            bool // Streaming SIMD extension 4 and 4.2
	_                   CacheLinePad
}

github.com/klauspost/cpuid/v2 v2.2.7 h1:ZWSB3igEs+d0qvnxR/ZBzXVmxkgt8DdzP6m9pfuVLDM=
github.com/klauspost/cpuid/v2 v2.2.7/go.mod h1:Lcz8mBdAVJIBVzewtcLocK12l3Y+JytZYpaMropDUws=
github.com/minio/md5-simd v1.1.2 h1:Gdi1DZK69+ZVMoNHRXJyNcxrMA4dSxoYHZSQbirFg34=
github.com/minio/md5-simd v1.1.2/go.mod h1:MzdKDxYpY2BT9XQFocsiZf/NKVtR7nkE4RoEpN+20RM=
github.com/minio/minio-go/v7 v7.0.70 h1:1u9NtMgfK1U42kUxcsl5v0yj6TEOPR497OAQxpJnn2g=

	github.com/goccy/go-json v0.10.2 // indirect
	github.com/google/uuid v1.6.0 // indirect
	github.com/klauspost/compress v1.17.8 // indirect
	github.com/klauspost/cpuid/v2 v2.2.7 // indirect
	github.com/minio/md5-simd v1.1.2 // indirect
	github.com/rs/xid v1.5.0 // indirect
	github.com/stretchr/testify v1.7.0 // indirect
	golang.org/x/crypto v0.23.0 // indirect
	golang.org/x/net v0.25.0 // indirect
	golang.org/x/sys v0.20.0 // indirect

A função não retorna um grande `str` contendo os dados no formato JSON (como uma string). Mas sim, retorna uma estrutura de dados padrão do Python (por exemplo, um `dict`) com valores e subvalores compatíveis com JSON.

!!! note "Nota"

		s := xds.NewFakeDiscoveryServer(t, o)
		sim := simulation.NewSimulation(t, s, s.SetupProxy(proxy))
		sim.RunExpectations(tt.calls)
		if t.Failed() && debugMode {
			t.Log(xdstest.MapKeys(xdstest.ExtractClusters(sim.Clusters)))
			t.Log(xdstest.ExtractListenerNames(sim.Listeners))
			t.Log(xdstest.DumpList(t, sim.Listeners))
			t.Log(xdstest.DumpList(t, sim.Routes))
			t.Log(tt.config)
			t.Log(tt.kubeConfig)

	re(`-fmessage-length=(.+)`),
	re(`-f(no-)?modules`),
	re(`-f(no-)?objc-arc`),
	re(`-f(no-)?objc-nonfragile-abi`),
	re(`-f(no-)?objc-legacy-dispatch`),
	re(`-f(no-)?omit-frame-pointer`),
	re(`-f(no-)?openmp(-simd)?`),
	re(`-f(no-)?permissive`),
	re(`-f(no-)?(pic|PIC|pie|PIE)`),
	re(`-f(no-)?plt`),
	re(`-f(no-)?rtti`),
	re(`-f(no-)?split-stack`),
	re(`-f(no-)?stack-(.+)`),
	re(`-f(no-)?strict-aliasing`),

	HasSHA2    bool
	HasSHA512  bool
	HasCRC32   bool
	HasATOMICS bool
	HasCPUID   bool
	IsNeoverse bool
	_          CacheLinePad
}

var MIPS64X struct {
	_      CacheLinePad
	HasMSA bool // MIPS SIMD architecture
	_      CacheLinePad
}

// For ppc64(le), it is safe to check only for ISA level starting on ISA v3.00,
// since there are no optional categories. There are some exceptions that also

						Configs:           istio,
						KubernetesObjects: kubeo,
					})
					sim := simulation.NewSimulation(t, s, s.SetupProxy(tt.proxy))
					xdstest.ValidateListeners(t, sim.Listeners)
					xdstest.ValidateRouteConfigurations(t, sim.Routes)
					r := xdstest.ExtractRouteConfigurations(sim.Routes)
					vh := r[tt.routeName]
					exp := tt.expected