(MOVWZreg (SRWconst [c] (MOVWZreg x))) => (SRWconst [c] (MOVWZreg x))
(MOV(B|H|W)reg (SRAWconst [c] (MOVBreg x))) => (SRAWconst [c] (MOVBreg x))
(MOV(H|W)reg (SRAWconst [c] (MOVHreg x))) => (SRAWconst [c] (MOVHreg x))
(MOVWreg (SRAWconst [c] (MOVWreg x))) => (SRAWconst [c] (MOVWreg x))

(MOV(WZ|W)reg (S(R|RA)Wconst [c] x)) && sizeof(x.Type) <= 32 => (S(R|RA)Wconst [c] x)

			break
		}
		c := auxIntToInt64(y.AuxInt)
		if !(uint64(c) <= 0x7F) {
			break
		}
		v.copyOf(y)
		return true
	}
	// match: (MOVBreg (SRAWconst [c] (MOVBreg x)))
	// result: (SRAWconst [c] (MOVBreg x))
	for {
		if v_0.Op != OpPPC64SRAWconst {
			break
		}
		c := auxIntToInt64(v_0.AuxInt)
		v_0_0 := v_0.Args[0]
		if v_0_0.Op != OpPPC64MOVBreg {
			break

(S(LW|RW|RAW) x (MOVDconst [c])) && c&32 == 0 => (S(LW|RW|RAW)const x [uint8(c&31)])
(S(LW|RW)     _ (MOVDconst [c])) && c&32 != 0 => (MOVDconst [0])
(SRAW         x (MOVDconst [c])) && c&32 != 0 => (SRAWconst x [31])

// Shifts only use the rightmost 6 bits of the shift value.
(S(LD|RD|RAD|LW|RW|RAW) x (RISBGZ y {r}))
  && r.Amount == 0
  && r.OutMask()&63 == 63
  => (S(LD|RD|RAD|LW|RW|RAW) x y)

		{name: "SRADconst", argLength: 1, reg: gp11cxer, asm: "SRAD", aux: "Int64"}, // signed arg0 >> auxInt, 0 <= auxInt < 64, 64 bit width
		{name: "SRAWconst", argLength: 1, reg: gp11cxer, asm: "SRAW", aux: "Int64"}, // signed arg0 >> auxInt, 0 <= auxInt < 32, 32 bit width

		{name: "SRADconst", argLength: 1, reg: gp11, asm: "SRAD", aux: "UInt8", clobberFlags: true}, // signed arg0 >> auxint, shift amount 0-63
		{name: "SRAWconst", argLength: 1, reg: gp11, asm: "SRAW", aux: "UInt8", clobberFlags: true}, // signed int32(arg0) >> auxint, shift amount 0-31

		// Rotate instructions.
		// Note: no RLLGconst - use RISBGZ instead.

	return false
}
func rewriteValueS390X_OpS390XSRAWconst(v *Value) bool {
	v_0 := v.Args[0]
	// match: (SRAWconst x [0])
	// result: x
	for {
		if auxIntToUint8(v.AuxInt) != 0 {
			break
		}
		x := v_0
		v.copyOf(x)
		return true
	}
	// match: (SRAWconst [c] (MOVDconst [d]))
	// result: (MOVDconst [int64(int32(d))>>uint64(c)])
	for {
		c := auxIntToUint8(v.AuxInt)

			outputs: []outputInfo{
				{0, 1073733624}, // R3 R4 R5 R6 R7 R8 R9 R10 R11 R12 R14 R15 R16 R17 R18 R19 R20 R21 R22 R23 R24 R25 R26 R27 R28 R29
			},
		},
	},
	{
		name:    "SRAWconst",
		auxType: auxInt64,
		argLen:  1,
		asm:     ppc64.ASRAW,
		reg: regInfo{
			inputs: []inputInfo{