symEffect:      SymWrite,
		asm:            x86.AMOVSS,
		reg: regInfo{
			inputs: []inputInfo{
				{1, 65280}, // X0 X1 X2 X3 X4 X5 X6 X7
				{0, 65791}, // AX CX DX BX SP BP SI DI SB
			},
		},
	},
	{
		name:           "MOVSDstore",
		auxType:        auxSymOff,
		argLen:         3,
		faultOnNilArg0: true,
		symEffect:      SymWrite,
		asm:            x86.AMOVSD,