+ case MADD:
+ {
+ char* pipeline = (insn->flags & PIPE1) ? "1" : "";
+ int notsigned = (insn->flags & UNSIGNED);
+ char* prodtype = notsigned ? "uword64" : "word64";
+
+ printf("%s prod = (%s)WORD64(WORD64LO(HI%s),WORD64LO(LO%s)) + ((%s)%s(op1%s) * (%s)%s(op2%s));\n",
+ prodtype, prodtype, pipeline, pipeline,
+ prodtype, (notsigned ? "WORD64LO" : "SIGNEXTEND"), (notsigned ? "" : ",32"),
+ prodtype, (notsigned ? "WORD64LO" : "SIGNEXTEND"), (notsigned ? "" : ",32")
+ );
+ printf("LO%s = SIGNEXTEND(prod,32);\n", pipeline );
+ printf("HI%s = SIGNEXTEND( WORD64HI(prod), 32);\n", pipeline );
+ printf("if( destreg != 0 ) GPR[destreg] = LO%s;\n", pipeline );
+ break;
+ }
+
+/* start-sanitize-r5900 */
+ case MxSA:
+ {
+ if (insn->flags & TO)
+ printf("SA = op1;\n");
+ else
+ printf("GPR[destreg] = SA;\n");
+ break;
+ }
+
+ case MTSAB:
+ printf("SA = ((op1 & 0xF) ^ (op2 & 0xF)) * 8;\n");
+ break;
+
+ case MTSAH:
+ printf("SA = ((op1 & 0x7) ^ (op2 & 0x7)) * 16;\n");
+ break;
+
+ case QFSRV:
+ printf("int bytes = (SA / 8) %% 16;\n"); /* mod 16 to avoid garbage */
+ printf("if (SA %% 8)\n");
+ printf(" SignalException(ReservedInstruction,instruction);\n");
+ printf("else\n");
+ printf(" {\n");
+ printf(" int i;\n");
+ printf(" for(i=0;i<(16-bytes);i++)\n");
+ printf(" GPR_SB(destreg,i) = RT_SB(bytes+i);\n");
+ printf(" for(;i<16;i++)\n");
+ printf(" GPR_SB(destreg,i) = RS_SB(i-(16-bytes));\n");
+ printf(" }\n");
+ break;
+
+ case PADD:
+ {
+ char* op = (insn->flags & SUBTRACT) ? "-" : "+";
+ char* name = name_for_data_len( insn );
+ char* letter = letter_for_data_len( insn );
+
+ char* tmptype;
+ char* maximum;
+ char* maxsat;
+ char* minimum;
+ char* signletter;
+
+ if ( insn->flags & UNSIGNED )
+ {
+ tmptype = type_for_data_len( insn, 0/*unsigned*/ );
+ signletter = "U";
+ maximum = umax_for_data_len( insn );
+ maxsat = (insn->flags & SUBTRACT) ? "0" : maximum;
+ minimum = 0;
+ }
+ else if ( insn->flags & SATURATE )
+ {
+ tmptype = type_for_data_len( insn, 1/*signed*/ );
+ signletter = "S";
+ maximum = max_for_data_len( insn );
+ maxsat = maximum;
+ minimum = min_for_data_len( insn );
+ }
+ else
+ {
+ tmptype = type_for_data_len( insn, 1/*signed*/ );
+ signletter = "S";
+ maximum = 0;
+ maxsat = 0;
+ minimum = 0;
+ }
+
+ printf(" int i;\n");
+ printf(" for (i=0; i < %sS_IN_MMI_REGS; i++)\n", name );
+ printf(" {\n");
+ printf(" %s s = RS_%s%s(i);\n", tmptype, signletter, letter);
+ printf(" %s t = RT_%s%s(i);\n", tmptype, signletter, letter);
+ printf(" %s r = s %s t;\n", tmptype, op);
+ if ( maximum )
+ {
+ printf(" if (r > %s)\n", maximum);
+ printf(" GPR_%s%s(destreg,i) = %s;\n", signletter, letter, maxsat );
+ if ( minimum )
+ {
+ printf(" else if (r < %s)\n", minimum);
+ printf(" GPR_%s%s(destreg,i) = %s;\n", signletter, letter, minimum );
+ }
+ printf(" else\n");
+ printf(" ");
+ }
+ printf(" GPR_%s%s(destreg,i) = r;\n", signletter, letter );
+ printf(" }\n");
+ break;
+ }
+
+ case PMULTH:
+ {
+ char* op;
+ if ( insn->flags & SUBTRACT )
+ op = "-";
+ else if ( insn->flags & ADDITION )
+ op = "+";
+ else
+ op = "";
+
+ printf("GPR_SW(destreg,0) = LO_SW(0) %s= (RS_SH(0) * RT_SH(0));\n", op);
+ printf(" LO_SW(1) %s= (RS_SH(1) * RT_SH(1));\n", op);
+ printf("GPR_SW(destreg,1) = HI_SW(0) %s= (RS_SH(2) * RT_SH(2));\n", op);
+ printf(" HI_SW(1) %s= (RS_SH(3) * RT_SH(3));\n", op);
+ printf("GPR_SW(destreg,2) = LO_SW(2) %s= (RS_SH(4) * RT_SH(4));\n", op);
+ printf(" LO_SW(3) %s= (RS_SH(5) * RT_SH(5));\n", op);
+ printf("GPR_SW(destreg,3) = HI_SW(2) %s= (RS_SH(6) * RT_SH(6));\n", op);
+ printf(" HI_SW(3) %s= (RS_SH(7) * RT_SH(7));\n", op);
+ break;
+ }
+
+ case PMULTW:
+ {
+ char* op;
+ char* sign = (insn->flags & UNSIGNED) ? "U" : "S";
+ char* prodtype = (insn->flags & UNSIGNED) ? "unsigned64" : "signed64";
+ char* constructor = (insn->flags & UNSIGNED) ? "UWORD64" : "WORD64";
+
+ if ( insn->flags & SUBTRACT )
+ {
+ op = "-";
+ printf(" %s sum0 = %s( HI_SW(0), LO_SW(0) );\n", prodtype, constructor );
+ printf(" %s sum1 = %s( HI_SW(2), LO_SW(2) );\n", prodtype, constructor );
+ }
+ else if ( insn->flags & ADDITION )
+ {
+ op = "+";
+ printf(" %s sum0 = %s( HI_SW(0), LO_SW(0) );\n", prodtype, constructor );
+ printf(" %s sum1 = %s( HI_SW(2), LO_SW(2) );\n", prodtype, constructor );
+ }
+ else
+ {
+ op = "";
+ printf(" %s sum0 = 0;\n", prodtype );
+ printf(" %s sum1 = 0;\n", prodtype );
+ }
+
+ printf(" %s prod0 = (%s)RS_%sW(0) * (%s)RT_%sW(0);\n", prodtype, prodtype, sign, prodtype, sign );
+ printf(" %s prod1 = (%s)RS_%sW(2) * (%s)RT_%sW(2);\n", prodtype, prodtype, sign, prodtype, sign );
+
+ printf(" sum0 %s= prod0;\n", op );
+ printf(" sum1 %s= prod1;\n", op );
+
+ printf(" GPR_%sD(destreg,0) = sum0;\n", sign );
+ printf(" GPR_%sD(destreg,1) = sum1;\n", sign );
+
+ printf(" LO = SIGNEXTEND( sum0, 32 );\n");
+ printf(" HI = SIGNEXTEND( WORD64HI(sum0), 32 );\n");
+ printf(" LO1 = SIGNEXTEND( sum1, 32 );\n");
+ printf(" HI1 = SIGNEXTEND( WORD64HI(sum1), 32 );\n");
+ break;
+ }
+
+ case PDIVW:
+ {
+ char* sign = (insn->flags & UNSIGNED) ? "U" : "S";
+ int i;
+ for (i = 0; i < 2; i ++)
+ {
+ char hi = (i == 0 ? ' ' : '1');
+ int d = i * 2;
+ if (! (insn->flags & UNSIGNED))
+ {
+ printf("if (RT_SW(%d) == -1)\n", d );
+ printf(" {\n");
+ printf(" LO%c = -RS_%sW(%d);\n", hi, sign, d );
+ printf(" HI%c = 0;\n", hi );
+ printf(" }\nelse ");
+ };
+ printf("if (RT_UW(%d) != 0)\n", d );
+ printf(" {\n");
+ printf(" LO%c = (signed32)(RS_%sW(%d) / RT_%sW(%d));\n", hi, sign, d, sign, d );
+ printf(" HI%c = (signed32)(RS_%sW(%d) %% RT_%sW(%d));\n", hi, sign, d, sign, d );
+ printf(" }\n");
+ }
+ break;
+ }
+
+ case PDIVBW:
+ printf("signed32 devisor = RT_SH(0);\n");
+ printf("if (devisor == -1)\n");
+ printf(" {\n");
+ printf(" LO_SW(0) = -RS_SW(0);\n");
+ printf(" HI_SW(0) = 0;\n");
+ printf(" LO_SW(1) = -RS_SW(1);\n");
+ printf(" HI_SW(1) = 0;\n");
+ printf(" LO_SW(2) = -RS_SW(2);\n");
+ printf(" HI_SW(2) = 0;\n");
+ printf(" LO_SW(3) = -RS_SW(3);\n");
+ printf(" HI_SW(3) = 0;\n");
+ printf(" }\n");
+ printf("else if (devisor != 0)\n");
+ printf(" {\n");
+ printf(" LO_SW(0) = RS_SW(0) / devisor;\n");
+ printf(" HI_SW(0) = SIGNEXTEND( (RS_SW(0) %% devisor), 16 );\n");
+ printf(" LO_SW(1) = RS_SW(1) / devisor;\n");
+ printf(" HI_SW(1) = SIGNEXTEND( (RS_SW(1) %% devisor), 16 );\n");
+ printf(" LO_SW(2) = RS_SW(2) / devisor;\n");
+ printf(" HI_SW(2) = SIGNEXTEND( (RS_SW(2) %% devisor), 16 );\n");
+ printf(" LO_SW(3) = RS_SW(3) / devisor;\n");
+ printf(" HI_SW(3) = SIGNEXTEND( (RS_SW(3) %% devisor), 16 );\n");
+ printf(" }\n");
+ break;
+
+ case PADSBH:
+ printf("int i;\n");
+ printf("for(i=0;i<HALFWORDS_IN_MMI_REGS/2;i++)\n");
+ printf(" GPR_SH(destreg,i) = RS_SH(i) - RT_SH(i);\n");
+ printf("for(;i<HALFWORDS_IN_MMI_REGS;i++)\n");
+ printf(" GPR_SH(destreg,i) = RS_SH(i) + RT_SH(i);\n");
+ break;
+
+ case PHMADDH:
+ {
+ char* op = (insn->flags & SUBTRACT) ? "-" : "+";
+ printf("GPR_SW(destreg,0) = LO_SW(0) = (RS_SH(1) * RT_SH(1)) %s (RS_SH(0) * RT_SH(0));\n", op );
+ printf("GPR_SW(destreg,1) = HI_SW(0) = (RS_SH(3) * RT_SH(3)) %s (RS_SH(2) * RT_SH(2));\n", op );
+ printf("GPR_SW(destreg,2) = LO_SW(2) = (RS_SH(5) * RT_SH(5)) %s (RS_SH(4) * RT_SH(4));\n", op );
+ printf("GPR_SW(destreg,3) = HI_SW(2) = (RS_SH(7) * RT_SH(7)) %s (RS_SH(6) * RT_SH(6));\n", op );
+ }
+ break;
+
+ case PSHIFT:
+ {
+ char* name = name_for_data_len( insn );
+ char* letter = letter_for_data_len( insn );
+ char* bits = bits_for_data_len( insn );
+ char* shift = (insn->flags & RIGHT) ? ">>" : "<<";
+ char* sign = (insn->flags & ARITHMETIC) ? "S" : "U";
+
+ printf("int shift_by = op1 & (%s-1);\n", bits );
+ printf("int i;\n");
+ printf("for(i=0;i<%sS_IN_MMI_REGS;i++)\n", name );
+ printf(" GPR_%s%s(destreg,i) = ", sign, letter );
+ if ( insn->flags & ARITHMETIC )
+ printf("SIGNEXTEND( ");
+ printf("(RT_%s%s(i) %s shift_by)", sign, letter, shift );
+ if ( insn->flags & ARITHMETIC )
+ printf(", (%s-shift_by) )", bits );
+ printf(";\n");
+ break;
+ }
+
+ case PSLLVW:
+ printf("int s0 = (RS_UB(0) & 0x1F);\n");
+ printf("int s1 = (RS_UB(8) & 0x1F);\n");
+ printf("signed32 temp0 = RT_UW(0) << s0;\n");
+ printf("signed32 temp1 = RT_UW(2) << s1;\n");
+ printf("GPR_SD(destreg,0) = (signed64)temp0;\n");
+ printf("GPR_SD(destreg,1) = (signed64)temp1;\n");
+ break;
+
+ case PSRLVW:
+ printf("GPR_UD(destreg,0) = SIGNEXTEND ( RT_UW(0) >> (RS_UB(0) & 0x1F), 31);\n");
+ printf("GPR_UD(destreg,1) = SIGNEXTEND ( RT_UW(2) >> (RS_UB(8) & 0x1F), 31);\n");
+ break;
+
+ case PSRAVW:
+ printf("GPR_SD(destreg,0) = SIGNEXTEND( (RT_SW (0) >> (RS_UB(0) & 0x1F)), 32-(RS_UB(0) & 0x1F) );\n");
+ printf("GPR_SD(destreg,1) = SIGNEXTEND( (RT_SW (2) >> (RS_UB(8) & 0x1F)), 32-(RS_UB(8) & 0x1F) );\n");
+ break;
+
+ case POP:
+ {
+ char* op1;
+ char* op2;
+
+ if ( GET_OP_FROM_INSN(insn) == POP_AND )
+ {
+ op1 = "&";
+ op2 = "";
+ }
+ else if ( GET_OP_FROM_INSN(insn) == POP_OR )
+ {
+ op1 = "|";
+ op2 = "";
+ }
+ else if ( GET_OP_FROM_INSN(insn) == POP_NOR )
+ {
+ op1 = "|";
+ op2 = "~";
+ }
+ else if ( GET_OP_FROM_INSN(insn) == POP_XOR )
+ {
+ op1 = "^";
+ op2 = "";
+ }
+
+ printf("int i;\n");
+ printf("for(i=0;i<WORDS_IN_MMI_REGS;i++)\n");
+ printf(" GPR_UW(destreg,i) = %s(RS_UW(i) %s RT_UW(i));\n", op2, op1 );
+ break;
+ }
+
+ case PCMP:
+ {
+ char* name = name_for_data_len( insn );
+ char* letter = letter_for_data_len( insn );
+ char* maximum = umax_for_data_len( insn );
+ char* op = (insn->flags & GT) ? ">" : "==";
+
+ printf("int i;\n");
+ printf("for(i=0;i<%sS_IN_MMI_REGS;i++)\n", name );
+ printf(" {\n");
+ printf(" if (RS_S%s(i) %s RT_S%s(i)) GPR_S%s(destreg,i) = %s;\n",
+ letter, op, letter, letter, maximum );
+ printf(" else GPR_S%s(destreg,i) = 0;\n", letter );
+ printf(" }\n");
+ break;
+ }
+
+ case PMAXMIN:
+ {
+ char* name = name_for_data_len( insn );
+ char* letter = letter_for_data_len( insn );
+ char* op = (insn->flags & GT) ? ">" : "<";
+
+ printf("int i;\n");
+ printf("for(i=0;i<%sS_IN_MMI_REGS;i++)\n", name );
+ printf(" {\n");
+ printf(" if (RS_S%s(i) %s RT_S%s(i)) GPR_S%s(destreg,i) = RS_S%s(i);\n",
+ letter, op, letter, letter, letter );
+ printf(" else GPR_S%s(destreg,i) = RT_S%s(i);\n", letter, letter );
+ printf(" }\n");
+ break;
+ }
+
+ case PABS:
+ {
+ char* name = name_for_data_len( insn );
+ char* letter = letter_for_data_len( insn );
+ char* min = min_for_data_len( insn );
+ char* max = max_for_data_len( insn );
+
+ printf("int i;\n");
+ printf("for(i=0;i<%sS_IN_MMI_REGS;i++)\n", name );
+ printf(" {\n");
+ printf(" if (RT_S%s(i) >= 0)\n", letter );
+ printf(" GPR_S%s(destreg,i) = RT_S%s(i);\n", letter, letter );
+ printf(" else if (RT_S%s(i) == %s)\n", letter, min );
+ printf(" GPR_S%s(destreg,i) = %s;\n", letter, max );
+ printf(" else\n");
+ printf(" GPR_S%s(destreg,i) = -RT_S%s(i);\n", letter, letter );
+ printf(" }\n");
+ break;
+ }
+
+ case PCPYH:
+ printf("GPR_UH(destreg,7) = GPR_UH(destreg,6) = GPR_UH(destreg,5) = GPR_UH(destreg,4) = RT_UH(4);\n");
+ printf("GPR_UH(destreg,3) = GPR_UH(destreg,2) = GPR_UH(destreg,1) = GPR_UH(destreg,0) = RT_UH(0);\n");
+ break;
+
+ case PCPYLD:
+ printf("GPR_UD(destreg,0) = RT_UD(0);\n");
+ printf("GPR_UD(destreg,1) = RS_UD(0);\n");
+ break;
+
+ case PCPYUD:
+ printf("GPR_UD(destreg,0) = RS_UD(1);\n");
+ printf("GPR_UD(destreg,1) = RT_UD(1);\n");
+ break;
+
+ case PEXCH:
+ printf("GPR_UH(destreg,0) = RT_UH(0);\n");
+ printf("GPR_UH(destreg,1) = RT_UH(2);\n");
+ printf("GPR_UH(destreg,2) = RT_UH(1);\n");
+ printf("GPR_UH(destreg,3) = RT_UH(3);\n");
+ printf("GPR_UH(destreg,4) = RT_UH(4);\n");
+ printf("GPR_UH(destreg,5) = RT_UH(6);\n");
+ printf("GPR_UH(destreg,6) = RT_UH(5);\n");
+ printf("GPR_UH(destreg,7) = RT_UH(7);\n");
+ break;
+
+ case PEXCW:
+ printf("GPR_UW(destreg,0) = RT_UW(0);\n");
+ printf("GPR_UW(destreg,1) = RT_UW(2);\n");
+ printf("GPR_UW(destreg,2) = RT_UW(1);\n");
+ printf("GPR_UW(destreg,3) = RT_UW(3);\n");
+ break;
+
+ case PEXOH:
+ printf("GPR_UH(destreg,0) = RT_UH(2);\n");
+ printf("GPR_UH(destreg,1) = RT_UH(1);\n");
+ printf("GPR_UH(destreg,2) = RT_UH(0);\n");
+ printf("GPR_UH(destreg,3) = RT_UH(3);\n");
+ printf("GPR_UH(destreg,4) = RT_UH(6);\n");
+ printf("GPR_UH(destreg,5) = RT_UH(5);\n");
+ printf("GPR_UH(destreg,6) = RT_UH(4);\n");
+ printf("GPR_UH(destreg,7) = RT_UH(7);\n");
+ break;
+
+ case PEXOW:
+ printf("GPR_UW(destreg,0) = RT_UW(2);\n");
+ printf("GPR_UW(destreg,1) = RT_UW(1);\n");
+ printf("GPR_UW(destreg,2) = RT_UW(0);\n");
+ printf("GPR_UW(destreg,3) = RT_UW(3);\n");
+ break;
+
+ case PEXTLB:
+ printf("GPR_UB(destreg,0) = RT_UB(0);\n");
+ printf("GPR_UB(destreg,1) = RS_UB(0);\n");
+ printf("GPR_UB(destreg,2) = RT_UB(1);\n");
+ printf("GPR_UB(destreg,3) = RS_UB(1);\n");
+ printf("GPR_UB(destreg,4) = RT_UB(2);\n");
+ printf("GPR_UB(destreg,5) = RS_UB(2);\n");
+ printf("GPR_UB(destreg,6) = RT_UB(3);\n");
+ printf("GPR_UB(destreg,7) = RS_UB(3);\n");
+ printf("GPR_UB(destreg,8) = RT_UB(4);\n");
+ printf("GPR_UB(destreg,9) = RS_UB(4);\n");
+ printf("GPR_UB(destreg,10) = RT_UB(5);\n");
+ printf("GPR_UB(destreg,11) = RS_UB(5);\n");
+ printf("GPR_UB(destreg,12) = RT_UB(6);\n");
+ printf("GPR_UB(destreg,13) = RS_UB(6);\n");
+ printf("GPR_UB(destreg,14) = RT_UB(7);\n");
+ printf("GPR_UB(destreg,15) = RS_UB(7);\n");
+ break;
+
+ case PEXTLH:
+ printf("GPR_UH(destreg,0) = RT_UH(0);\n");
+ printf("GPR_UH(destreg,1) = RS_UH(0);\n");
+ printf("GPR_UH(destreg,2) = RT_UH(1);\n");
+ printf("GPR_UH(destreg,3) = RS_UH(1);\n");
+ printf("GPR_UH(destreg,4) = RT_UH(2);\n");
+ printf("GPR_UH(destreg,5) = RS_UH(2);\n");
+ printf("GPR_UH(destreg,6) = RT_UH(3);\n");
+ printf("GPR_UH(destreg,7) = RS_UH(3);\n");
+ break;
+
+ case PEXTLW:
+ printf("GPR_UW(destreg,0) = RT_UW(0);\n");
+ printf("GPR_UW(destreg,1) = RS_UW(0);\n");
+ printf("GPR_UW(destreg,2) = RT_UW(1);\n");
+ printf("GPR_UW(destreg,3) = RS_UW(1);\n");
+ break;
+
+ case PEXTUB:
+ printf("GPR_UB(destreg,0) = RT_UB(8);\n");
+ printf("GPR_UB(destreg,1) = RS_UB(8);\n");
+ printf("GPR_UB(destreg,2) = RT_UB(9);\n");
+ printf("GPR_UB(destreg,3) = RS_UB(9);\n");
+ printf("GPR_UB(destreg,4) = RT_UB(10);\n");
+ printf("GPR_UB(destreg,5) = RS_UB(10);\n");
+ printf("GPR_UB(destreg,6) = RT_UB(11);\n");
+ printf("GPR_UB(destreg,7) = RS_UB(11);\n");
+ printf("GPR_UB(destreg,8) = RT_UB(12);\n");
+ printf("GPR_UB(destreg,9) = RS_UB(12);\n");
+ printf("GPR_UB(destreg,10) = RT_UB(13);\n");
+ printf("GPR_UB(destreg,11) = RS_UB(13);\n");
+ printf("GPR_UB(destreg,12) = RT_UB(14);\n");
+ printf("GPR_UB(destreg,13) = RS_UB(14);\n");
+ printf("GPR_UB(destreg,14) = RT_UB(15);\n");
+ printf("GPR_UB(destreg,15) = RS_UB(15);\n");
+ break;
+
+ case PEXTUH:
+ printf("GPR_UH(destreg,0) = RT_UH(4);\n");
+ printf("GPR_UH(destreg,1) = RS_UH(4);\n");
+ printf("GPR_UH(destreg,2) = RT_UH(5);\n");
+ printf("GPR_UH(destreg,3) = RS_UH(5);\n");
+ printf("GPR_UH(destreg,4) = RT_UH(6);\n");
+ printf("GPR_UH(destreg,5) = RS_UH(6);\n");
+ printf("GPR_UH(destreg,6) = RT_UH(7);\n");
+ printf("GPR_UH(destreg,7) = RS_UH(7);\n");
+ break;
+
+ case PEXTUW:
+ printf("GPR_UW(destreg,0) = RT_UW(2);\n");
+ printf("GPR_UW(destreg,1) = RS_UW(2);\n");
+ printf("GPR_UW(destreg,2) = RT_UW(3);\n");
+ printf("GPR_UW(destreg,3) = RS_UW(3);\n");
+ break;
+
+ case PPACB:
+ printf("GPR_UB(destreg,0) = RT_UB(0);\n");
+ printf("GPR_UB(destreg,1) = RT_UB(2);\n");
+ printf("GPR_UB(destreg,2) = RT_UB(4);\n");
+ printf("GPR_UB(destreg,3) = RT_UB(6);\n");
+ printf("GPR_UB(destreg,4) = RT_UB(8);\n");
+ printf("GPR_UB(destreg,5) = RT_UB(10);\n");
+ printf("GPR_UB(destreg,6) = RT_UB(12);\n");
+ printf("GPR_UB(destreg,7) = RT_UB(14);\n");
+ printf("GPR_UB(destreg,8) = RS_UB(0);\n");
+ printf("GPR_UB(destreg,9) = RS_UB(2);\n");
+ printf("GPR_UB(destreg,10) = RS_UB(4);\n");
+ printf("GPR_UB(destreg,11) = RS_UB(6);\n");
+ printf("GPR_UB(destreg,12) = RS_UB(8);\n");
+ printf("GPR_UB(destreg,13) = RS_UB(10);\n");
+ printf("GPR_UB(destreg,14) = RS_UB(12);\n");
+ printf("GPR_UB(destreg,15) = RS_UB(14);\n");
+ break;
+
+ case PPACH:
+ printf("GPR_UH(destreg,0) = RT_UH(0);\n");
+ printf("GPR_UH(destreg,1) = RT_UH(2);\n");
+ printf("GPR_UH(destreg,2) = RT_UH(4);\n");
+ printf("GPR_UH(destreg,3) = RT_UH(6);\n");
+ printf("GPR_UH(destreg,4) = RS_UH(0);\n");
+ printf("GPR_UH(destreg,5) = RS_UH(2);\n");
+ printf("GPR_UH(destreg,6) = RS_UH(4);\n");
+ printf("GPR_UH(destreg,7) = RS_UH(6);\n");
+ break;
+
+ case PPACW:
+ printf("GPR_UW(destreg,0) = RT_UW(0);\n");
+ printf("GPR_UW(destreg,1) = RT_UW(2);\n");
+ printf("GPR_UW(destreg,2) = RS_UW(0);\n");
+ printf("GPR_UW(destreg,3) = RS_UW(2);\n");
+ break;
+
+ case PREVH:
+ printf("GPR_UH(destreg,0) = RT_UH(3);\n");
+ printf("GPR_UH(destreg,1) = RT_UH(2);\n");
+ printf("GPR_UH(destreg,2) = RT_UH(1);\n");
+ printf("GPR_UH(destreg,3) = RT_UH(0);\n");
+ printf("GPR_UH(destreg,4) = RT_UH(7);\n");
+ printf("GPR_UH(destreg,5) = RT_UH(6);\n");
+ printf("GPR_UH(destreg,6) = RT_UH(5);\n");
+ printf("GPR_UH(destreg,7) = RT_UH(4);\n");
+ break;
+
+ case PROT3W:
+ printf("GPR_UW(destreg,0) = RT_UW(0);\n");
+ printf("GPR_UW(destreg,1) = RT_UW(3);\n");
+ printf("GPR_UW(destreg,2) = RT_UW(1);\n");
+ printf("GPR_UW(destreg,3) = RT_UW(2);\n");
+ break;
+
+ case PINTH:
+ printf("GPR_UH(destreg,0) = RT_UH(0);\n");
+ printf("GPR_UH(destreg,1) = RS_UH(4);\n");
+ printf("GPR_UH(destreg,2) = RT_UH(1);\n");
+ printf("GPR_UH(destreg,3) = RS_UH(5);\n");
+ printf("GPR_UH(destreg,4) = RT_UH(2);\n");
+ printf("GPR_UH(destreg,5) = RS_UH(6);\n");
+ printf("GPR_UH(destreg,6) = RT_UH(3);\n");
+ printf("GPR_UH(destreg,7) = RS_UH(7);\n");
+ break;
+
+ case PINTOH:
+ printf("GPR_UH(destreg,0) = RT_UH(0);\n");
+ printf("GPR_UH(destreg,1) = RS_UH(0);\n");
+ printf("GPR_UH(destreg,2) = RT_UH(2);\n");
+ printf("GPR_UH(destreg,3) = RS_UH(2);\n");
+ printf("GPR_UH(destreg,4) = RT_UH(4);\n");
+ printf("GPR_UH(destreg,5) = RS_UH(4);\n");
+ printf("GPR_UH(destreg,6) = RT_UH(6);\n");
+ printf("GPR_UH(destreg,7) = RS_UH(6);\n");
+ break;
+
+ case PMXX: /* Parallel move HI or LO / TO or FROM */
+ {
+ if ( (insn->flags & (HI|FROM)) == (HI|FROM) )
+ {
+ printf("GPR_SD(destreg,0) = HI;\n");
+ printf("GPR_SD(destreg,1) = HI1;\n");
+ }
+ else if ( (insn->flags & (LO|FROM)) == (LO|FROM) )
+ {
+ printf("GPR_SD(destreg,0) = LO;\n");
+ printf("GPR_SD(destreg,1) = LO1;\n");
+ }
+ else if ( (insn->flags & (HI|TO)) == (HI|TO) )
+ {
+ printf("HI = RS_SD(0);\n");
+ printf("HI1 = RS_SD(1);\n");
+ }
+ else if ( (insn->flags & (LO|TO)) == (LO|TO) )
+ {
+ printf("LO = RS_SD(0);\n");
+ printf("LO1 = RS_SD(1);\n");
+ }
+ break;
+ }
+
+ case PMTHL:
+ printf("LO_UW(0) = RS_UW(0);\n");
+ printf("HI_UW(0) = RS_UW(1);\n");
+ printf("LO_UW(2) = RS_UW(2);\n");
+ printf("HI_UW(2) = RS_UW(3);\n");
+ break;
+
+ case PMFHL:
+ printf("if (op1 == 0)\n");
+ printf(" {\n");
+ printf(" GPR_UW(destreg,0) = LO_UW(0);\n");
+ printf(" GPR_UW(destreg,1) = HI_UW(0);\n");
+ printf(" GPR_UW(destreg,2) = LO_UW(2);\n");
+ printf(" GPR_UW(destreg,3) = HI_UW(2);\n");
+ printf(" }\n");
+ printf("else if (op1 == 1)\n");
+ printf(" {\n");
+ printf(" GPR_UW(destreg,0) = LO_UW(1);\n");
+ printf(" GPR_UW(destreg,1) = HI_UW(1);\n");
+ printf(" GPR_UW(destreg,2) = LO_UW(3);\n");
+ printf(" GPR_UW(destreg,3) = HI_UW(3);\n");
+ printf(" }\n");
+ printf("else if (op1 == 2)\n");
+ printf(" {\n");
+ printf(" /* NOTE: This code implements a saturate according to the\n");
+ printf(" figure on page B-115 and not according to the\n");
+ printf(" definition on page B-113 */\n");
+ printf(" signed64 t = ((unsigned64)HI_UW(0) << 32) | (unsigned64)LO_UW(0);\n");
+ printf(" signed64 u = ((unsigned64)HI_UW(2) << 32) | (unsigned64)LO_UW(2);\n");
+ printf(" if ( t > SIGNED64 (0x000000007FFFFFFF) )\n");
+ printf(" GPR_SD(destreg,0) = SIGNED64 (0x000000007FFFFFFF);\n");
+ printf(" else if ( t < - SIGNED64 (0x0000000080000000) )\n");
+ printf(" GPR_SD(destreg,0) = - SIGNED64 (0x0000000080000000);\n");
+ printf(" else\n");
+ printf(" GPR_SD(destreg,0) = t;\n");
+ printf(" if ( u > SIGNED64 (0x000000007FFFFFFF) )\n");
+ printf(" GPR_SD(destreg,1) = SIGNED64 (0x000000007FFFFFFF);\n");
+ printf(" else if ( u < - SIGNED64 (0x0000000080000000) )\n");
+ printf(" GPR_SD(destreg,1) = - SIGNED64 (0x0000000080000000);\n");
+ printf(" else\n");
+ printf(" GPR_SD(destreg,1) = u;\n");
+ printf(" }\n");
+ printf("else if (op1 == 3)\n");
+ printf(" {\n");
+ printf(" GPR_UH(destreg,0) = LO_UH(0);\n");
+ printf(" GPR_UH(destreg,1) = LO_UH(2);\n");
+ printf(" GPR_UH(destreg,2) = HI_UH(0);\n");
+ printf(" GPR_UH(destreg,3) = HI_UH(2);\n");
+ printf(" GPR_UH(destreg,4) = LO_UH(4);\n");
+ printf(" GPR_UH(destreg,5) = LO_UH(6);\n");
+ printf(" GPR_UH(destreg,6) = HI_UH(4);\n");
+ printf(" GPR_UH(destreg,7) = HI_UH(6);\n");
+ printf(" }\n");
+ printf("else if (op1 == 4)\n");
+ printf(" {\n");
+ printf(" if (LO_SW(0) > 0x7FFF)\n");
+ printf(" GPR_UH(destreg,0) = 0x7FFF;\n");
+ printf(" else if (LO_SW(0) < -0x8000)\n");
+ printf(" GPR_UH(destreg,0) = 0x8000;\n");
+ printf(" else\n");
+ printf(" GPR_UH(destreg,0) = LO_UH(0);\n");
+
+ printf(" if (LO_SW(1) > 0x7FFF)\n");
+ printf(" GPR_UH(destreg,1) = 0x7FFF;\n");
+ printf(" else if (LO_SW(1) < -0x8000)\n");
+ printf(" GPR_UH(destreg,1) = 0x8000;\n");
+ printf(" else\n");
+ printf(" GPR_UH(destreg,1) = LO_UH(2);\n");
+
+ printf(" if (HI_SW(0) > 0x7FFF)\n");
+ printf(" GPR_UH(destreg,2) = 0x7FFF;\n");
+ printf(" else if (HI_SW(0) < -0x8000)\n");
+ printf(" GPR_UH(destreg,2) = 0x8000;\n");
+ printf(" else\n");
+ printf(" GPR_UH(destreg,2) = HI_UH(0);\n");
+
+ printf(" if (HI_SW(1) > 0x7FFF)\n");
+ printf(" GPR_UH(destreg,3) = 0x7FFF;\n");
+ printf(" else if (HI_SW(1) < -0x8000)\n");
+ printf(" GPR_UH(destreg,3) = 0x8000;\n");
+ printf(" else\n");
+ printf(" GPR_UH(destreg,3) = HI_UH(2);\n");
+
+ printf(" if (LO_SW(2) > 0x7FFF)\n");
+ printf(" GPR_UH(destreg,4) = 0x7FFF;\n");
+ printf(" else if (LO_SW(2) < -0x8000)\n");
+ printf(" GPR_UH(destreg,4) = 0x8000;\n");
+ printf(" else\n");
+ printf(" GPR_UH(destreg,4) = LO_UH(4);\n");
+
+ printf(" if (LO_SW(3) > 0x7FFF)\n");
+ printf(" GPR_UH(destreg,5) = 0x7FFF;\n");
+ printf(" else if (LO_SW(3) < -0x8000)\n");
+ printf(" GPR_UH(destreg,5) = 0x8000;\n");
+ printf(" else\n");
+ printf(" GPR_UH(destreg,5) = LO_UH(6);\n");
+
+ printf(" if (HI_SW(2) > 0x7FFF)\n");
+ printf(" GPR_UH(destreg,6) = 0x7FFF;\n");
+ printf(" else if (HI_SW(2) < -0x8000)\n");
+ printf(" GPR_UH(destreg,6) = 0x8000;\n");
+ printf(" else\n");
+ printf(" GPR_UH(destreg,6) = HI_UH(4);\n");
+
+ printf(" if (HI_SW(3) > 0x7FFF)\n");
+ printf(" GPR_UH(destreg,7) = 0x7FFF;\n");
+ printf(" else if (HI_SW(3) < -0x8000)\n");
+ printf(" GPR_UH(destreg,7) = 0x8000;\n");
+ printf(" else\n");
+ printf(" GPR_UH(destreg,7) = HI_UH(6);\n");
+
+ printf(" }\n");
+ break;
+
+ case PLZCW:
+ printf("unsigned long value;\n");
+ printf("int test;\n");
+ printf("int count;\n");
+ printf("int i;\n");
+
+ printf("value = RS_UW(0);\n");
+ printf("count = 0;\n");
+ printf("test = !!(value & (1 << 31));\n");
+ printf("for(i=30; i>=0 && (test == !!(value & (1 << i))); i--)\n");
+ printf(" count++;\n");
+ printf("GPR_UW(destreg,0) = count;\n");
+
+ printf("value = RS_UW(1);\n");
+ printf("count = 0;\n");
+ printf("test = !!(value & (1 << 31));\n");
+ printf("for(i=30; i>=0 && (test == !!(value & (1 << i))); i--)\n");
+ printf(" count++;\n");
+ printf("GPR_UW(destreg,1) = count;\n");
+ break;
+
+ case PEXT5:
+ printf("int i;\n");
+ printf("for(i=0;i<WORDS_IN_MMI_REGS;i++)\n");
+ printf(" {\n");
+ printf(" unsigned32 x = RT_UW(i);\n");
+ printf(" GPR_UW(destreg,i) = ((x & (1 << 15)) << (31 - 15)) \n");
+ printf(" | ((x & (31 << 10)) << (19 - 10)) \n");
+ printf(" | ((x & (31 << 5)) << (11 - 5)) \n");
+ printf(" | ((x & (31 << 0)) << (3 - 0)); \n");
+ printf(" }\n");
+ break;
+
+ case PPAC5:
+ printf("int i;\n");
+ printf("for(i=0;i<WORDS_IN_MMI_REGS;i++)\n");
+ printf(" {\n");
+ printf(" unsigned32 x = RT_UW(i);\n");
+ printf(" GPR_UW(destreg,i) = ((x & (1 << 31)) >> (31 - 15)) \n");
+ printf(" | ((x & (31 << 19)) >> (19 - 10)) \n");
+ printf(" | ((x & (31 << 11)) >> (11 - 5)) \n");
+ printf(" | ((x & (31 << 3)) >> (3 - 0)); \n");
+ printf(" }\n");
+ break;
+/* end-sanitize-r5900 */
+
+ case NYI:
+ fprintf(stderr,"Warning: Unimplemented opcode: %s\n",insn->name) ;
+
+ printf("SignalException(ReservedInstruction,instruction);\n");
+ break;
+