shithub: amd64-simd

ref: cc3307440e698d58843a5273519f4988c01937f1
dir: /sse.h/

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#define OP(o, m, ro, rm)	WORD $0x0F66; BYTE $(o);	\
			BYTE $(((m)<<6)|((ro)<<3)|(rm))
#define OPi(o, m, ro, rm, i)	OP((o), (m), (ro), (rm));	\
			BYTE $(i)
#define OP4(o, m, ro, rm)	WORD $0x0F66; WORD $(o);	\
			BYTE $(((m)<<6)|((ro)<<3)|(rm))
#define OP4i(o, m, ro, rm, i)	OP4((o), (m), (ro), (rm));	\
			BYTE $(i)


/* MOVLPD */
//opcode = 660F12
//modrm  = 01 000 000 [AX → X0] / 01 001 000 [AX → X1]
//disp8 = 8 / 32
#define MOVLPD(off, s, d) OPi(0x12, 0x1, (d), (s), (off))

/* MOVHPD */
//opcode = 660F16
//modrm  = 01 000 000 [AX → X0] / 01 001 000 [AX → X1]
//disp8 = 16 / 40
#define MOVHPD(off, s, d) OPi(0x16, 0x1, (d), (s), (off))

/* HSUBPD */
//opcode = 660F7D = 01100110 00001111 01111101
//modrm = 11 000 000 [X0 → X0]
#define HSUBPD(s, d) OP(0x7D, 0x3, (d), (s))

/* DPPD */
//opcode = 660F3A41 = 01100110 00001111 00111010 01000001
//modrm  = 11 000 001 [X1 → X0]
//imm8   = 0011 0001
#define DPPD(s, d) OP4i(0x413A, 0x3, (d), (s), 0x31)