c67-gen.c

Tiny C&C++,看看吧,也许用的着

	      (C67_map_regs(a) << 1) |	//side of src
	      (0 << 0));	//parallel
    } else if (strstr(s, "STW.D *") == s) {
	C67_g((C67_map_regn(a) << 23) |	//src
	      (C67_map_regn(b) << 18) |	//base reg A0
	      (0 << 13) |	//cst5
	      (1 << 9) |	//mode 1 = pos cst offset
	      (0 << 8) |	//r (LDDW bit 0)
	      (C67_map_regs(b) << 7) |	//y D1/D2 base reg side
	      (7 << 4) |	//ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU 
	      (1 << 2) |	//opcode
	      (C67_map_regs(a) << 1) |	//side of src
	      (0 << 0));	//parallel
    } else if (strstr(s, "STH.D *") == s) {
	C67_g((C67_map_regn(a) << 23) |	//src
	      (C67_map_regn(b) << 18) |	//base reg A0
	      (0 << 13) |	//cst5
	      (1 << 9) |	//mode 1 = pos cst offset
	      (0 << 8) |	//r (LDDW bit 0)
	      (C67_map_regs(b) << 7) |	//y D1/D2 base reg side
	      (5 << 4) |	//ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU 
	      (1 << 2) |	//opcode
	      (C67_map_regs(a) << 1) |	//side of src
	      (0 << 0));	//parallel
    } else if (strstr(s, "STB.D *") == s) {
	C67_g((C67_map_regn(a) << 23) |	//src
	      (C67_map_regn(b) << 18) |	//base reg A0
	      (0 << 13) |	//cst5
	      (1 << 9) |	//mode 1 = pos cst offset
	      (0 << 8) |	//r (LDDW bit 0)
	      (C67_map_regs(b) << 7) |	//y D1/D2 base reg side
	      (3 << 4) |	//ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU 
	      (1 << 2) |	//opcode
	      (C67_map_regs(a) << 1) |	//side of src
	      (0 << 0));	//parallel
    } else if (strstr(s, "STW.D +*") == s) {
	ALWAYS_ASSERT(c < 32);
	C67_g((C67_map_regn(a) << 23) |	//src
	      (C67_map_regn(b) << 18) |	//base reg A0
	      (c << 13) |	//cst5
	      (1 << 9) |	//mode 1 = pos cst offset
	      (0 << 8) |	//r (LDDW bit 0)
	      (C67_map_regs(b) << 7) |	//y D1/D2 base reg side
	      (7 << 4) |	//ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU 
	      (1 << 2) |	//opcode
	      (C67_map_regs(a) << 1) |	//side of src
	      (0 << 0));	//parallel
    } else if (strstr(s, "LDW.D SP PRE INC") == s) {
	C67_g((C67_map_regn(a) << 23) |	//dst
	      (15 << 18) |	//base reg B15
	      (2 << 13) |	//ucst5 (must keep 8 byte boundary)
	      (9 << 9) |	//mode 9 = pre inc ucst5
	      (0 << 8) |	//r (LDDW bit 0)
	      (1 << 7) |	//y D1/D2  B side
	      (6 << 4) |	//ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU
	      (1 << 2) |	//opcode
	      (C67_map_regs(a) << 1) |	//side of dst
	      (0 << 0));	//parallel
    } else if (strstr(s, "LDDW.D SP PRE INC") == s) {
	C67_g((C67_map_regn(a) << 23) |	//dst
	      (15 << 18) |	//base reg B15
	      (1 << 13) |	//ucst5 (must keep 8 byte boundary)
	      (9 << 9) |	//mode 9 = pre inc ucst5
	      (1 << 8) |	//r (LDDW bit 1)
	      (1 << 7) |	//y D1/D2  B side
	      (6 << 4) |	//ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU
	      (1 << 2) |	//opcode
	      (C67_map_regs(a) << 1) |	//side of dst
	      (0 << 0));	//parallel
    } else if (strstr(s, "LDW.D *+SP[A0]") == s) {
	C67_g((C67_map_regn(a) << 23) |	//dst
	      (15 << 18) |	//base reg A15
	      (0 << 13) |	//offset reg A0
	      (5 << 9) |	//mode 5 = pos offset, base reg + off reg
	      (0 << 8) |	//r (LDDW bit 0)
	      (0 << 7) |	//y D1/D2  A side
	      (6 << 4) |	//ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU
	      (1 << 2) |	//opcode
	      (C67_map_regs(a) << 1) |	//side of dst
	      (0 << 0));	//parallel
    } else if (strstr(s, "LDDW.D *+SP[A0]") == s) {
	C67_g((C67_map_regn(a) << 23) |	//dst
	      (15 << 18) |	//base reg A15
	      (0 << 13) |	//offset reg A0
	      (5 << 9) |	//mode 5 = pos offset, base reg + off reg
	      (1 << 8) |	//r (LDDW bit 1)
	      (0 << 7) |	//y D1/D2  A side
	      (6 << 4) |	//ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU
	      (1 << 2) |	//opcode
	      (C67_map_regs(a) << 1) |	//side of dst
	      (0 << 0));	//parallel
    } else if (strstr(s, "LDH.D *+SP[A0]") == s) {
	C67_g((C67_map_regn(a) << 23) |	//dst
	      (15 << 18) |	//base reg A15
	      (0 << 13) |	//offset reg A0
	      (5 << 9) |	//mode 5 = pos offset, base reg + off reg
	      (0 << 8) |	//r (LDDW bit 0)
	      (0 << 7) |	//y D1/D2  A side
	      (4 << 4) |	//ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU
	      (1 << 2) |	//opcode
	      (C67_map_regs(a) << 1) |	//side of dst
	      (0 << 0));	//parallel
    } else if (strstr(s, "LDB.D *+SP[A0]") == s) {
	C67_g((C67_map_regn(a) << 23) |	//dst
	      (15 << 18) |	//base reg A15
	      (0 << 13) |	//offset reg A0
	      (5 << 9) |	//mode 5 = pos offset, base reg + off reg
	      (0 << 8) |	//r (LDDW bit 0)
	      (0 << 7) |	//y D1/D2  A side
	      (2 << 4) |	//ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU
	      (1 << 2) |	//opcode
	      (C67_map_regs(a) << 1) |	//side of dst
	      (0 << 0));	//parallel
    } else if (strstr(s, "LDHU.D *+SP[A0]") == s) {
	C67_g((C67_map_regn(a) << 23) |	//dst
	      (15 << 18) |	//base reg A15
	      (0 << 13) |	//offset reg A0
	      (5 << 9) |	//mode 5 = pos offset, base reg + off reg
	      (0 << 8) |	//r (LDDW bit 0)
	      (0 << 7) |	//y D1/D2  A side
	      (0 << 4) |	//ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU
	      (1 << 2) |	//opcode
	      (C67_map_regs(a) << 1) |	//side of dst
	      (0 << 0));	//parallel
    } else if (strstr(s, "LDBU.D *+SP[A0]") == s) {
	C67_g((C67_map_regn(a) << 23) |	//dst
	      (15 << 18) |	//base reg A15
	      (0 << 13) |	//offset reg A0
	      (5 << 9) |	//mode 5 = pos offset, base reg + off reg
	      (0 << 8) |	//r (LDDW bit 0)
	      (0 << 7) |	//y D1/D2  A side
	      (1 << 4) |	//ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU
	      (1 << 2) |	//opcode
	      (C67_map_regs(a) << 1) |	//side of dst
	      (0 << 0));	//parallel
    } else if (strstr(s, "LDW.D *") == s) {
	C67_g((C67_map_regn(b) << 23) |	//dst
	      (C67_map_regn(a) << 18) |	//base reg A15
	      (0 << 13) |	//cst5
	      (1 << 9) |	//mode 1 = pos cst offset
	      (0 << 8) |	//r (LDDW bit 0)
	      (C67_map_regs(a) << 7) |	//y D1/D2  src side
	      (6 << 4) |	//ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU
	      (1 << 2) |	//opcode
	      (C67_map_regs(b) << 1) |	//side of dst
	      (0 << 0));	//parallel
    } else if (strstr(s, "LDDW.D *") == s) {
	C67_g((C67_map_regn(b) << 23) |	//dst
	      (C67_map_regn(a) << 18) |	//base reg A15
	      (0 << 13) |	//cst5
	      (1 << 9) |	//mode 1 = pos cst offset
	      (1 << 8) |	//r (LDDW bit 1)
	      (C67_map_regs(a) << 7) |	//y D1/D2  src side
	      (6 << 4) |	//ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU
	      (1 << 2) |	//opcode
	      (C67_map_regs(b) << 1) |	//side of dst
	      (0 << 0));	//parallel
    } else if (strstr(s, "LDH.D *") == s) {
	C67_g((C67_map_regn(b) << 23) |	//dst
	      (C67_map_regn(a) << 18) |	//base reg A15
	      (0 << 13) |	//cst5
	      (1 << 9) |	//mode 1 = pos cst offset
	      (0 << 8) |	//r (LDDW bit 0)
	      (C67_map_regs(a) << 7) |	//y D1/D2  src side
	      (4 << 4) |	//ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU
	      (1 << 2) |	//opcode
	      (C67_map_regs(b) << 1) |	//side of dst
	      (0 << 0));	//parallel
    } else if (strstr(s, "LDB.D *") == s) {
	C67_g((C67_map_regn(b) << 23) |	//dst
	      (C67_map_regn(a) << 18) |	//base reg A15
	      (0 << 13) |	//cst5
	      (1 << 9) |	//mode 1 = pos cst offset
	      (0 << 8) |	//r (LDDW bit 0)
	      (C67_map_regs(a) << 7) |	//y D1/D2  src side
	      (2 << 4) |	//ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU 
	      (1 << 2) |	//opcode
	      (C67_map_regs(b) << 1) |	//side of dst
	      (0 << 0));	//parallel
    } else if (strstr(s, "LDHU.D *") == s) {
	C67_g((C67_map_regn(b) << 23) |	//dst
	      (C67_map_regn(a) << 18) |	//base reg A15
	      (0 << 13) |	//cst5
	      (1 << 9) |	//mode 1 = pos cst offset
	      (0 << 8) |	//r (LDDW bit 0)
	      (C67_map_regs(a) << 7) |	//y D1/D2  src side
	      (0 << 4) |	//ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU 
	      (1 << 2) |	//opcode
	      (C67_map_regs(b) << 1) |	//side of dst
	      (0 << 0));	//parallel
    } else if (strstr(s, "LDBU.D *") == s) {
	C67_g((C67_map_regn(b) << 23) |	//dst
	      (C67_map_regn(a) << 18) |	//base reg A15
	      (0 << 13) |	//cst5
	      (1 << 9) |	//mode 1 = pos cst offset
	      (0 << 8) |	//r (LDDW bit 0)
	      (C67_map_regs(a) << 7) |	//y D1/D2  src side
	      (1 << 4) |	//ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU
	      (1 << 2) |	//opcode
	      (C67_map_regs(b) << 1) |	//side of dst
	      (0 << 0));	//parallel
    } else if (strstr(s, "LDW.D +*") == s) {
	C67_g((C67_map_regn(b) << 23) |	//dst
	      (C67_map_regn(a) << 18) |	//base reg A15
	      (1 << 13) |	//cst5
	      (1 << 9) |	//mode 1 = pos cst offset
	      (0 << 8) |	//r (LDDW bit 0)
	      (C67_map_regs(a) << 7) |	//y D1/D2  src side
	      (6 << 4) |	//ldst 3=STB, 5=STH 5, 7=STW, 6=LDW 4=LDH 2=LDB 0=LDHU 1=LDBU 
	      (1 << 2) |	//opcode
	      (C67_map_regs(b) << 1) |	//side of dst
	      (0 << 0));	//parallel
    } else if (strstr(s, "CMPLTSP") == s) {
	xpath = C67_map_regs(a) ^ C67_map_regs(b);
	ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a));

	C67_g((C67_map_regn(c) << 23) |	//dst
	      (C67_map_regn(b) << 18) |	//src2
	      (C67_map_regn(a) << 13) |	//src1
	      (xpath << 12) |	//x use cross path for src2
	      (0x3a << 6) |	//opcode
	      (0x8 << 2) |	//opcode fixed
	      (C67_map_regs(c) << 1) |	//side for reg c
	      (0 << 0));	//parallel
    } else if (strstr(s, "CMPGTSP") == s) {
	xpath = C67_map_regs(a) ^ C67_map_regs(b);
	ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a));

	C67_g((C67_map_regn(c) << 23) |	//dst
	      (C67_map_regn(b) << 18) |	//src2
	      (C67_map_regn(a) << 13) |	//src1
	      (xpath << 12) |	//x use cross path for src2
	      (0x39 << 6) |	//opcode
	      (0x8 << 2) |	//opcode fixed
	      (C67_map_regs(c) << 1) |	//side for reg c
	      (0 << 0));	//parallel
    } else if (strstr(s, "CMPEQSP") == s) {
	xpath = C67_map_regs(a) ^ C67_map_regs(b);
	ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a));

	C67_g((C67_map_regn(c) << 23) |	//dst
	      (C67_map_regn(b) << 18) |	//src2
	      (C67_map_regn(a) << 13) |	//src1
	      (xpath << 12) |	//x use cross path for src2
	      (0x38 << 6) |	//opcode
	      (0x8 << 2) |	//opcode fixed
	      (C67_map_regs(c) << 1) |	//side for reg c
	      (0 << 0));	//parallel
    }

    else if (strstr(s, "CMPLTDP") == s) {
	xpath = C67_map_regs(a) ^ C67_map_regs(b);
	ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a));

	C67_g((C67_map_regn(c) << 23) |	//dst
	      (C67_map_regn(b) << 18) |	//src2
	      (C67_map_regn(a) << 13) |	//src1
	      (xpath << 12) |	//x use cross path for src2
	      (0x2a << 6) |	//opcode
	      (0x8 << 2) |	//opcode fixed
	      (C67_map_regs(c) << 1) |	//side for reg c
	      (0 << 0));	//parallel
    } else if (strstr(s, "CMPGTDP") == s) {
	xpath = C67_map_regs(a) ^ C67_map_regs(b);
	ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a));

	C67_g((C67_map_regn(c) << 23) |	//dst
	      (C67_map_regn(b) << 18) |	//src2
	      (C67_map_regn(a) << 13) |	//src1
	      (xpath << 12) |	//x use cross path for src2
	      (0x29 << 6) |	//opcode
	      (0x8 << 2) |	//opcode fixed
	      (C67_map_regs(c) << 1) |	//side for reg c
	      (0 << 0));	//parallel
    } else if (strstr(s, "CMPEQDP") == s) {
	xpath = C67_map_regs(a) ^ C67_map_regs(b);
	ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a));

	C67_g((C67_map_regn(c) << 23) |	//dst
	      (C67_map_regn(b) << 18) |	//src2
	      (C67_map_regn(a) << 13) |	//src1
	      (xpath << 12) |	//x use cross path for src2
	      (0x28 << 6) |	//opcode
	      (0x8 << 2) |	//opcode fixed
	      (C67_map_regs(c) << 1) |	//side for reg c
	      (0 << 0));	//parallel
    } else if (strstr(s, "CMPLT") == s) {
	xpath = C67_map_regs(a) ^ C67_map_regs(b);
	ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a));

	C67_g((C67_map_regn(c) << 23) |	//dst
	      (C67_map_regn(b) << 18) |	//src2
	      (C67_map_regn(a) << 13) |	//src1
	      (xpath << 12) |	//x use cross path for src2
	      (0x57 << 5) |	//opcode
	      (0x6 << 2) |	//opcode fixed
	      (C67_map_regs(c) << 1) |	//side for reg c
	      (0 << 0));	//parallel
    } else if (strstr(s, "CMPGT") == s) {
	xpath = C67_map_regs(a) ^ C67_map_regs(b);
	ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a));

	C67_g((C67_map_regn(c) << 23) |	//dst
	      (C67_map_regn(b) << 18) |	//src2
	      (C67_map_regn(a) << 13) |	//src1
	      (xpath << 12) |	//x use cross path for src2
	      (0x47 << 5) |	//opcode
	      (0x6 << 2) |	//opcode fixed
	      (C67_map_regs(c) << 1) |	//side for reg c
	      (0 << 0));	//parallel
    } else if (strstr(s, "CMPEQ") == s) {
	xpath = C67_map_regs(a) ^ C67_map_regs(b);
	ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a));

	C67_g((C67_map_regn(c) << 23) |	//dst
	      (C67_map_regn(b) << 18) |	//src2
	      (C67_map_regn(a) << 13) |	//src1
	      (xpath << 12) |	//x use cross path for src2
	      (0x53 << 5) |	//opcode
	      (0x6 << 2) |	//opcode fixed
	      (C67_map_regs(c) << 1) |	//side for reg c
	      (0 << 0));	//parallel
    } else if (strstr(s, "CMPLTU") == s) {
	xpath = C67_map_regs(a) ^ C67_map_regs(b);
	ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a));

	C67_g((C67_map_regn(c) << 23) |	//dst
	      (C67_map_regn(b) << 18) |	//src2
	      (C67_map_regn(a) << 13) |	//src1
	      (xpath << 12) |	//x use cross path for src2
	      (0x5f << 5) |	//opcode
	      (0x6 << 2) |	//opcode fixed
	      (C67_map_regs(c) << 1) |	//side for reg c
	      (0 << 0));	//parallel
    } else if (strstr(s, "CMPGTU") == s) {
	xpath = C67_map_regs(a) ^ C67_map_regs(b);
	ALWAYS_ASSERT(C67_map_regs(c) == C67_map_regs(a));

	C67_g((C67_map_regn(c) << 23) |	//dst
	      (C67_map_regn(b) << 18) |	//src2
	      (C67_map_regn(a) << 13) |	//src1
	      (xpath << 12) |	//x use cross path for src2
	      (0x4f << 5) |	//opcode
	      (0x6 << 2) |	//opcode fixed
	      (C67_map_regs(c) << 1) |	//side for reg c
	      (0 << 0));	//parallel
    } else if (strstr(s, "B DISP") == s) {
	C67_g((0 << 29) |	//creg
	      (0 << 28) |	//z
	      (a << 7) |	//cnst
	      (0x4 << 2) |	//opcode fixed
	      (0 << 1) |	//S0/S1
	      (0 << 0));	//parallel
    } else if (strstr(s, "B.") == s) {
	xpath = C67_map_regs(c) ^ 1;

	C67_g((C67_map_regc(b) << 29) |	//creg
	      (a << 28) |	//inv
	      (0 << 23) |	//dst
	      (C67_map_regn(c) << 18) |	//src2
	      (0 << 13) |	//
	      (xpath << 12) |	//x cross path if !B side
	      (0xd << 6) |	//opcode
	      (0x8 << 2) |	//opcode fixed
	      (1 << 1) |	//must be S2
	      (0 << 0));	//parallel
    } else if (strstr(s, "MV.L") == s) {
	xpath = C67_map_regs(b) ^ C67_map_regs(c);

	C67_g((0 << 29) |	//creg
	      (0 << 28) |	//inv
	      (C67_map_regn(c) << 23) |	//dst
	      (C67_map_regn(b) << 18) |	//src2
	      (0 << 13) |	//src1 (cst5)
	      (xpath << 12) |	//x cross path if opposite sides
	      (0x2 << 5) |	//opcode
	      (0x6 << 2) |	//opcode fixed
	      (C67_map_regs(c) << 1) |	//side of dest
	      (0 << 0));	//parallel
    } else if (strstr(s, "SPTRUNC.L") == s) {
	xpath = C67_map_regs(b) ^ C67_map_regs(c);

	C67_g((0 << 29) |	//creg
	      (0 << 28) |	//inv
	      (C67_map_regn(c) << 23) |	//dst
	      (C67_map_regn(b) << 18) |	//src2
	      (0 << 13) |	//src1 NA
	      (xpath << 12) |	//x cross path if opposite sides
	      (0xb << 5) |	//opcode
	      (0x6 << 2) |	//opcode fixed
	      (C67_map_regs(c) << 1) |	//side of dest
	      (0 << 0));	//parallel
    } else if (strstr(s, "DPTRUNC.L") == s) {
	xpath = C67_map_regs(b) ^ C67_map_regs(c);

	C67_g((0 << 29) |	//creg
	      (0 << 28) |	//inv
	      (C67_map_regn(c) << 23) |	//dst
	      ((C67_map_regn(b) + 1) << 18) |	//src2   WEIRD CPU must specify odd reg for some reason
	      (0 << 13) |	//src1 NA
	      (xpath << 12) |	//x cross path if opposite sides
	      (0x1 << 5) |	//opcode
	      (0x6 << 2) |	//opcode fixed
	      (C67_map_regs(c) << 1) |	//side of dest
	      (0 << 0));	//parallel
    } else if (strstr(s, "INTSP.L") == s) {
	xpath = C67_map_regs(b) ^ C67_map_regs(c);

	C67_g((0 << 29) |	//creg
	      (0 << 28) |	//inv
	      (C67_map_regn(c) << 23) |	//dst
	      (C67_map_regn(b) << 18) |	//src2   
	      (0 << 13) |	//src1 NA
	      (xpath << 12) |	//x cross path if opposite sides
	      (0x4a << 5) |	//opcode
	      (0x6 << 2) |	//opcode fixed
	      (C67_map_regs(c) << 1) |	//side of dest
	      (0 << 0));	//parallel
    } else if (strstr(s, "INTSPU.L") == s) {
	xpath = C67_map_regs(b) ^ C67_map_regs(c);

	C67_g((0 << 29) |	//creg
	      (0 << 28) |	//inv
	      (C67_map_regn(c) << 23) |	//dst
	      (C67_map_regn(b) << 18) |	//src2  
	      (0 << 13) |	//src1 NA
	      (xpath << 12) |	//x cross path if opposite sides
	      (0x49 << 5) |	//opcode
	      (0x6 << 2) |	//opcode fixed
	      (C67_map_regs(c) << 1) |	//side of dest
	      (0 << 0));	//parallel
    } else if (strstr(s, "INTDP.L") == s) {
	xpath = C67_map_regs(b) ^ C67_map_regs(c);

	C67_g((0 << 29) |	//creg
	      (0 << 28) |	//inv
	      (C67_map_regn(c) << 23) |	//dst
	      (C67_map_regn(b) << 18) |	//src2  
	      (0 << 13) |	//src1 NA
	      (xpath << 12) |	//x cross path if opposite sides
	      (0x39 << 5) |	//opcode
	      (0x6 << 2) |	//opcode fixed
	      (C67_map_regs(c) << 1) |	//side of dest
	      (0 << 0));	//parallel
    } else if (strstr(s, "INTDPU.L") == s) {
	xpath = C67_map_regs(b) ^ C67_map_regs(c);

	C67_g((0 << 29) |	//creg
	      (0 << 28) |	//inv
	      (C67_map_regn(c) << 23) |	//dst
	      ((C67_map_regn(b) + 1) << 18) |	//src2   WEIRD CPU must specify odd reg for some reason
	      (0 << 13) |	//src1 NA
	      (xpath << 12) |	//x cross path if opposite sides
	      (0x3b << 5) |	//opcode
	      (0x6 << 2) |	//opcode fixed
	      (C67_map_regs(c) << 1) |	//side of dest