{name: "CMPL", argLength: 2, reg: gp2flags, asm: "CMPL", typ: "Flags"},                    // arg0 compare to arg1
		{name: "CMPW", argLength: 2, reg: gp2flags, asm: "CMPW", typ: "Flags"},                    // arg0 compare to arg1
		{name: "CMPB", argLength: 2, reg: gp2flags, asm: "CMPB", typ: "Flags"},                    // arg0 compare to arg1

		for x := 0; x <= size-n; x = x*7 + 1 { // offset in src
			for y := 0; y <= size-n; y = y*9 + 1 { // offset in dst
				copy(dst[y:y+n], src[x:x+n])
				copyref(ref[y:y+n], src[x:x+n])
				p := cmpb(dst, ref)
				if p >= 0 {
					t.Fatalf("Copy failed, copying from src[%d:%d] to dst[%d:%d].\nOffset %d is different, %v != %v", x, x+n, y, y+n, p, dst[p], ref[p])
				}
			}
		}
	}
}

//go:build !purego

// func addMulVVW1024(z *uint, x *uint, y uint) (c uint)
// Requires: ADX, BMI2
TEXT ·addMulVVW1024(SB), $0-32
	CMPB ·supportADX+0(SB), $0x01
	JEQ  adx
	MOVQ z+0(FP), CX
	MOVQ x+8(FP), BX
	MOVQ y+16(FP), SI
	XORQ DI, DI

	// Iteration 0
	MOVQ (BX), AX
	MULQ SI
	ADDQ (CX), AX
	ADCQ $0x00, DX
	ADDQ DI, AX

	MOVL	$1, 0(SP)
	CALL	runtime·exit(SB)
	CALL	runtime·abort(SB)

has_cpuid:
	MOVL	$0, AX
	CPUID
	MOVL	AX, SI
	CMPL	AX, $0
	JE	nocpuinfo

	CMPL	BX, $0x756E6547  // "Genu"
	JNE	notintel
	CMPL	DX, $0x49656E69  // "ineI"
	JNE	notintel
	CMPL	CX, $0x6C65746E  // "ntel"
	JNE	notintel
	MOVB	$1, runtime·isIntel(SB)
notintel:

	// Load EAX=1 cpuid flags
	MOVL	$1, AX
	CPUID

	v_2 := v.Args[2]
	v_1 := v.Args[1]
	v_0 := v.Args[0]
	b := v.Block
	typ := &b.Func.Config.Types
	// match: (CMPBload {sym} [off] ptr x mem)
	// result: (CMPB (MOVBload {sym} [off] ptr mem) x)
	for {
		off := auxIntToInt32(v.AuxInt)
		sym := auxToSym(v.Aux)
		ptr := v_0
		x := v_1
		mem := v_2
		v.reset(OpAMD64CMPB)

	v := reflect.ValueOf(x)
	return v.Len()
}

func len5(x chan int) int { // ERROR "x does not escape"
	v := reflect.ValueOf(x)
	return v.Len()
}

func cap1(x []int) int { // ERROR "x does not escape"
	v := reflect.ValueOf(x) // ERROR "x does not escape"
	return v.Cap()
}

func cap2(x [3]int) int {
	v := reflect.ValueOf(x) // ERROR "x does not escape"

				// but not the two instructions that led to them being combined here.  For example
				// (CMPBconstload c (ADDQ x y)) -> (CMPBconstloadidx1 c x y) -> (CMPB c (MOVBloadidx1 x y))
				// The final pair of instructions turns out to be notably faster, at least in some benchmarks.
				f.Config.splitLoad(v)
			}
		}
	}
}

	SHA256RNDS2		msg, state1, state0		\
	sha256Msg1		(m,a)

TEXT ·block(SB), 0, $536-32
	CMPB	·useSHA(SB), $1
	JE	sha_ni
	CMPB	·useAVX2(SB), $1
	JE	avx2

	MOVQ p_base+8(FP), SI
	MOVQ p_len+16(FP), DX
	SHRQ $6, DX
	SHLQ $6, DX

	LEAQ (SI)(DX*1), DI
	MOVQ DI, 256(SP)
	CMPQ SI, DI
	JEQ  end

	MOVQ dig+0(FP), BP
	MOVL (0*4)(BP), R8  // a = H0
	MOVL (1*4)(BP), R9  // b = H1

	_ = append(f0 /* ERROR "used as value" */ ())
	_ = append(f1())
	_ = append(f2())
	_ = append(f3())
	_ = append(f5())
	_ = append(ff /* ERROR "must be a slice" */ ()) // TODO(gri) better error message
}

func cap1() {
	var a [10]bool
	var p *[20]int
	var c chan string
	_ = cap() // ERROR "not enough arguments"
	_ = cap(1, 2) // ERROR "too many arguments"
	_ = cap(42 /* ERROR "invalid" */)
	const _3 = cap(a)
	assert(_3 == 10)

	// When the user specifies a fraction of pods that must be available, we
	// use as the fraction's denominator
	// SUM_{all c in C} scale(c)
	// where C is the union of C_p1, C_p2, ..., C_pN
	// and each C_pi is the set of controllers controlling the pod pi

	// k8s only defines what will happens when 0 or 1 controllers control a