// Some macros

// ROL rotates the uint32s in register R left by N bits, using temporary T.
#define ROL(N, R, T) \
	MOVO R, T; PSLLL $(N), T; PSRLL $(32-(N)), R; PXOR T, R

// ROL16 rotates the uint32s in register R left by 16, using temporary T if needed.
#ifdef GOAMD64_v2
#define ROL16(R, T) PSHUFB ·rol16<>(SB), R
#else
#define ROL16(R, T) ROL(16, R, T)
#endif

	v_1 := v.Args[1]
	v_0 := v.Args[0]
	// match: (ROL x (MOVDconst [val]))
	// result: (RORI [int64(int8(-val)&63)] x)
	for {
		x := v_0
		if v_1.Op != OpRISCV64MOVDconst {
			break
		}
		val := auxIntToInt64(v_1.AuxInt)
		v.reset(OpRISCV64RORI)
		v.AuxInt = int64ToAuxInt(int64(int8(-val) & 63))
		v.AddArg(x)
		return true
	}
	// match: (ROL x (NEG y))
	// result: (ROR x y)
	for {