[quake3-commits] r1690 - trunk/code/qcommon
DONOTREPLY at icculus.org
DONOTREPLY at icculus.org
Tue Oct 20 07:44:26 EDT 2009
Author: tma
Date: 2009-10-20 07:44:25 -0400 (Tue, 20 Oct 2009)
New Revision: 1690
Modified:
trunk/code/qcommon/vm_ppc.c
Log:
* Sort out the white space disaster in vm_ppc.c
Modified: trunk/code/qcommon/vm_ppc.c
===================================================================
--- trunk/code/qcommon/vm_ppc.c 2009-10-20 11:36:45 UTC (rev 1689)
+++ trunk/code/qcommon/vm_ppc.c 2009-10-20 11:44:25 UTC (rev 1690)
@@ -118,9 +118,9 @@
#endif
typedef enum {
- R_REAL_STACK = 1,
+ R_REAL_STACK = 1,
// registers 3-11 are the parameter passing registers
-
+
// state
R_STACK = 3, // local
R_OPSTACK, // global
@@ -129,9 +129,9 @@
R_MEMBASE, // global
R_MEMMASK,
R_ASMCALL, // global
- R_INSTRUCTIONS, // global
- R_NUM_INSTRUCTIONS, // global
- R_CVM, // currentVM
+ R_INSTRUCTIONS, // global
+ R_NUM_INSTRUCTIONS, // global
+ R_CVM, // currentVM
// temps
R_TOP = 11,
@@ -470,39 +470,39 @@
}
static void Inst( char *opname, int opcode, int destReg, int aReg, int bReg ) {
- unsigned r;
+ unsigned r;
- #if DEBUG_VM
+#if DEBUG_VM
if(pass == 1)
printf("\t\t\t%p %s\tr%d,r%d,r%d\n",&buf[compiledOfs],opname,destReg,aReg,bReg);
- #endif
- r = opcode | ( destReg << 21 ) | ( aReg << 16 ) | ( bReg << 11 ) ;
- buf[ compiledOfs ] = r;
- compiledOfs++;
+#endif
+ r = opcode | ( destReg << 21 ) | ( aReg << 16 ) | ( bReg << 11 ) ;
+ buf[ compiledOfs ] = r;
+ compiledOfs++;
}
static void Inst4( char *opname, int opcode, int destReg, int aReg, int bReg, int cReg ) {
- unsigned r;
+ unsigned r;
- #if DEBUG_VM
+#if DEBUG_VM
if(pass == 1)
printf("\t\t\t%p %s\tr%d,r%d,r%d,r%d\n",&buf[compiledOfs],opname,destReg,aReg,bReg,cReg);
- #endif
- r = opcode | ( destReg << 21 ) | ( aReg << 16 ) | ( bReg << 11 ) | ( cReg << 6 );
- buf[ compiledOfs ] = r;
- compiledOfs++;
+#endif
+ r = opcode | ( destReg << 21 ) | ( aReg << 16 ) | ( bReg << 11 ) | ( cReg << 6 );
+ buf[ compiledOfs ] = r;
+ compiledOfs++;
}
static void InstImm( char *opname, int opcode, int destReg, int aReg, int immediate ) {
unsigned r;
-
+
if ( immediate > 32767 || immediate < -32768 ) {
- Com_Error( ERR_FATAL, "VM_Compile: immediate value %i out of range, opcode %x,%d,%d", immediate, opcode, destReg, aReg );
+ Com_Error( ERR_FATAL, "VM_Compile: immediate value %i out of range, opcode %x,%d,%d", immediate, opcode, destReg, aReg );
}
- #if DEBUG_VM
+#if DEBUG_VM
if(pass == 1)
printf("\t\t\t%p %s\tr%d,r%d,0x%x\n",&buf[compiledOfs],opname,destReg,aReg,immediate);
- #endif
+#endif
r = opcode | ( destReg << 21 ) | ( aReg << 16 ) | ( immediate & 0xffff );
buf[ compiledOfs ] = r;
compiledOfs++;
@@ -510,15 +510,15 @@
static void InstImmU( char *opname, int opcode, int destReg, int aReg, int immediate ) {
unsigned r;
-
+
if ( immediate > 0xffff || immediate < 0 ) {
Com_Error( ERR_FATAL, "VM_Compile: immediate value %i out of range", immediate );
}
- #if DEBUG_VM
+#if DEBUG_VM
if(pass == 1)
printf("\t\t\t%p %s\tr%d,r%d,0x%x\n",&buf[compiledOfs],opname,destReg,aReg,immediate);
- #endif
- r = opcode | ( destReg << 21 ) | ( aReg << 16 ) | ( immediate & 0xffff );
+#endif
+ r = opcode | ( destReg << 21 ) | ( aReg << 16 ) | ( immediate & 0xffff );
buf[ compiledOfs ] = r;
compiledOfs++;
}
@@ -532,7 +532,7 @@
{
// Store out each register on the operand stack to it's correct location.
int i;
-
+
for(i = 0; i < depth; i++)
{
assert(opStackRegType[i]);
@@ -553,10 +553,10 @@
static void loadOpStack(int depth)
{
// Back off operand stack pointer and reload all operands.
-// InstImm( "addi", PPC_ADDI, R_OPSTACK, R_OPSTACK, -(depth)*4 );
+ // InstImm( "addi", PPC_ADDI, R_OPSTACK, R_OPSTACK, -(depth)*4 );
int i;
-
+
for(i = 0; i < depth; i++)
{
assert(opStackRegType[i] == 0);
@@ -564,7 +564,7 @@
opStackLoadInstructionAddr[i] = &buf[compiledOfs];
InstImm( "lwz", PPC_LWZ, opStackIntRegisters[i], R_OPSTACK, i*4+4);
opStackRegType[i] = 1;
- }
+ }
}
static void makeFloat(int depth)
@@ -574,7 +574,7 @@
{
unsigned instruction;
unsigned destReg, aReg, bReg, imm;
-
+
if(opStackLoadInstructionAddr[depth])
{
// Repatch load instruction to use LFS instead of LWZ
@@ -588,7 +588,7 @@
destReg = (instruction >> 21) & 31;
aReg = (instruction >> 16) & 31;
imm = instruction & 0xffff;
-
+
// Calculate correct FP register to use.
// THIS ASSUMES REGISTER USAGE FOR THE STACK IS n, n+1, n+2, etc!
//printf("old dest: %ld\n",destReg);
@@ -690,1059 +690,1059 @@
buf = Z_Malloc( maxLength );
jused = Z_Malloc(jusedSize);
Com_Memset(jused, 0, jusedSize);
-
- // compile everything twice, so the second pass will have valid instruction
- // pointers for branches
- for ( pass = -1 ; pass < 2 ; pass++ ) {
- // translate all instructions
- pc = 0;
- mainFunction = 0;
- opStackDepth = 0;
-
- pop0 = 343545;
- pop1 = 2443545;
- oc0 = -2343535;
- oc1 = 24353454;
- tvm = vm;
- code = (byte *)header + header->codeOffset;
- compiledOfs = 0;
+ // compile everything twice, so the second pass will have valid instruction
+ // pointers for branches
+ for ( pass = -1 ; pass < 2 ; pass++ ) {
+
+ // translate all instructions
+ pc = 0;
+ mainFunction = 0;
+ opStackDepth = 0;
+
+ pop0 = 343545;
+ pop1 = 2443545;
+ oc0 = -2343535;
+ oc1 = 24353454;
+ tvm = vm;
+ code = (byte *)header + header->codeOffset;
+ compiledOfs = 0;
#ifndef __GNUC__
// metrowerks seems to require this header in front of functions
Emit4( (int)(buf+2) );
Emit4( 0 );
#endif
- for ( instruction = 0 ; instruction < header->instructionCount ; instruction++ ) {
- if ( compiledOfs*4 > maxLength - 16 ) {
- Com_Error( ERR_DROP, "VM_Compile: maxLength exceeded" );
- }
+ for ( instruction = 0 ; instruction < header->instructionCount ; instruction++ ) {
+ if ( compiledOfs*4 > maxLength - 16 ) {
+ Com_Error( ERR_DROP, "VM_Compile: maxLength exceeded" );
+ }
- op = code[ pc ];
- if ( !pass ) {
- vm->instructionPointers[ instruction ] = compiledOfs * 4;
- }
- pc++;
- switch ( op ) {
- case 0:
- break;
- case OP_BREAK:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08lx BREAK\n",instruction);
- #endif
- InstImmU( "addi", PPC_ADDI, R_TOP, 0, 0 );
- InstImm( "lwz", PPC_LWZ, R_TOP, R_TOP, 0 ); // *(int *)0 to crash to debugger
- break;
- case OP_ENTER:
- opStackDepth = 0;
- v = Constant4();
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x ENTER\t%04x\n",instruction,v);
- #endif
- opStackRegType[opStackDepth] = 0;
- mainFunction++;
- if(mainFunction == 1)
- {
- // Main VM entry point is the first thing we compile, so save off operand stack
- // registers here. This avoids issues with trying to trick the native compiler
- // into doing it, and properly matches the PowerPC ABI
- InstImm( "addi", PPC_ADDI, R_REAL_STACK, R_REAL_STACK, -OP_STACK_MAX_DEPTH*4 ); // sub R_STACK, R_STACK, imm
- for(i = 0; i < OP_STACK_MAX_DEPTH; i++)
- InstImm( "stw", PPC_STW, opStackIntRegisters[i], R_REAL_STACK, i*4);
- }
- InstImm( "addi", PPC_ADDI, R_STACK, R_STACK, -v ); // sub R_STACK, R_STACK, imm
- break;
- case OP_CONST:
- v = Constant4();
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x CONST\t%08x\n",instruction,v);
- #endif
- opStackLoadInstructionAddr[opStackDepth] = 0;
- if ( v < 32768 && v >= -32768 ) {
- InstImmU( "addi", PPC_ADDI, opStackIntRegisters[opStackDepth], 0, v & 0xffff );
- } else {
- InstImmU( "addis", PPC_ADDIS, opStackIntRegisters[opStackDepth], 0, (v >> 16)&0xffff );
- if ( v & 0xffff ) {
- InstImmU( "ori", PPC_ORI, opStackIntRegisters[opStackDepth], opStackIntRegisters[opStackDepth], v & 0xffff );
- }
- }
- opStackRegType[opStackDepth] = 1;
- opStackDepth += 1;
- if (code[pc] == OP_JUMP) {
- JUSED(v);
- }
- break;
- case OP_LOCAL:
- oc1 = Constant4();
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x LOCAL\t%08x\n",instruction,oc1);
- #endif
- if (code[pc] == OP_LOAD4 || code[pc] == OP_LOAD2 || code[pc] == OP_LOAD1) {
- oc1 &= vm->dataMask;
- }
- InstImm( "addi", PPC_ADDI, opStackIntRegisters[opStackDepth], R_STACK, oc1 );
- opStackRegType[opStackDepth] = 1;
- opStackLoadInstructionAddr[opStackDepth] = 0;
- opStackDepth += 1;
- break;
- case OP_ARG:
- v = Constant1();
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x ARG \t%08x\n",instruction,v);
- #endif
- InstImm( "addi", PPC_ADDI, R_EA, R_STACK, v ); // location to put it
- if(opStackRegType[opStackDepth-1] == 1)
- Inst( "stwx", PPC_STWX, opStackIntRegisters[opStackDepth-1], R_EA, R_MEMBASE );
- else
- Inst( "stfsx", PPC_STFSX, opStackFloatRegisters[opStackDepth-1], R_EA, R_MEMBASE );
- opStackRegType[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackDepth -= 1;
-
- break;
- case OP_CALL:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x CALL\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assert(opStackDepth > 0);
- Inst( "mflr", PPC_MFSPR, R_SECOND, 8, 0 ); // move from link register
- InstImm( "stwu", PPC_STWU, R_SECOND, R_REAL_STACK, -16 ); // save off the old return address
+ op = code[ pc ];
+ if ( !pass ) {
+ vm->instructionPointers[ instruction ] = compiledOfs * 4;
+ }
+ pc++;
+ switch ( op ) {
+ case 0:
+ break;
+ case OP_BREAK:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08lx BREAK\n",instruction);
+#endif
+ InstImmU( "addi", PPC_ADDI, R_TOP, 0, 0 );
+ InstImm( "lwz", PPC_LWZ, R_TOP, R_TOP, 0 ); // *(int *)0 to crash to debugger
+ break;
+ case OP_ENTER:
+ opStackDepth = 0;
+ v = Constant4();
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x ENTER\t%04x\n",instruction,v);
+#endif
+ opStackRegType[opStackDepth] = 0;
+ mainFunction++;
+ if(mainFunction == 1)
+ {
+ // Main VM entry point is the first thing we compile, so save off operand stack
+ // registers here. This avoids issues with trying to trick the native compiler
+ // into doing it, and properly matches the PowerPC ABI
+ InstImm( "addi", PPC_ADDI, R_REAL_STACK, R_REAL_STACK, -OP_STACK_MAX_DEPTH*4 ); // sub R_STACK, R_STACK, imm
+ for(i = 0; i < OP_STACK_MAX_DEPTH; i++)
+ InstImm( "stw", PPC_STW, opStackIntRegisters[i], R_REAL_STACK, i*4);
+ }
+ InstImm( "addi", PPC_ADDI, R_STACK, R_STACK, -v ); // sub R_STACK, R_STACK, imm
+ break;
+ case OP_CONST:
+ v = Constant4();
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x CONST\t%08x\n",instruction,v);
+#endif
+ opStackLoadInstructionAddr[opStackDepth] = 0;
+ if ( v < 32768 && v >= -32768 ) {
+ InstImmU( "addi", PPC_ADDI, opStackIntRegisters[opStackDepth], 0, v & 0xffff );
+ } else {
+ InstImmU( "addis", PPC_ADDIS, opStackIntRegisters[opStackDepth], 0, (v >> 16)&0xffff );
+ if ( v & 0xffff ) {
+ InstImmU( "ori", PPC_ORI, opStackIntRegisters[opStackDepth], opStackIntRegisters[opStackDepth], v & 0xffff );
+ }
+ }
+ opStackRegType[opStackDepth] = 1;
+ opStackDepth += 1;
+ if (code[pc] == OP_JUMP) {
+ JUSED(v);
+ }
+ break;
+ case OP_LOCAL:
+ oc1 = Constant4();
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x LOCAL\t%08x\n",instruction,oc1);
+#endif
+ if (code[pc] == OP_LOAD4 || code[pc] == OP_LOAD2 || code[pc] == OP_LOAD1) {
+ oc1 &= vm->dataMask;
+ }
+ InstImm( "addi", PPC_ADDI, opStackIntRegisters[opStackDepth], R_STACK, oc1 );
+ opStackRegType[opStackDepth] = 1;
+ opStackLoadInstructionAddr[opStackDepth] = 0;
+ opStackDepth += 1;
+ break;
+ case OP_ARG:
+ v = Constant1();
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x ARG \t%08x\n",instruction,v);
+#endif
+ InstImm( "addi", PPC_ADDI, R_EA, R_STACK, v ); // location to put it
+ if(opStackRegType[opStackDepth-1] == 1)
+ Inst( "stwx", PPC_STWX, opStackIntRegisters[opStackDepth-1], R_EA, R_MEMBASE );
+ else
+ Inst( "stfsx", PPC_STFSX, opStackFloatRegisters[opStackDepth-1], R_EA, R_MEMBASE );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackDepth -= 1;
- // Spill operand stack registers.
- spillOpStack(opStackDepth);
-
- // We need to leave R_OPSTACK pointing to the top entry on the stack, which is the call address.
- // It will be consumed (and R4 decremented) by the AsmCall code.
- InstImm( "addi", PPC_ADDI, R_OPSTACK, R_OPSTACK, opStackDepth*4);
+ break;
+ case OP_CALL:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x CALL\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assert(opStackDepth > 0);
+ Inst( "mflr", PPC_MFSPR, R_SECOND, 8, 0 ); // move from link register
+ InstImm( "stwu", PPC_STWU, R_SECOND, R_REAL_STACK, -16 ); // save off the old return address
- Inst( "mtctr", PPC_MTSPR, R_ASMCALL, 9, 0 ); // move to count register
- Inst( "bctrl", PPC_BCCTR | 1, 20, 0, 0 ); // jump and link to the count register
+ // Spill operand stack registers.
+ spillOpStack(opStackDepth);
- // R4 now points to the top of the operand stack, which has the return value in it. We want to
- // back off the pointer to point to the base of our local operand stack and then reload the stack.
-
- InstImm("addi", PPC_ADDI, R_OPSTACK, R_OPSTACK, -opStackDepth*4);
-
- // Reload operand stack.
- loadOpStack(opStackDepth);
+ // We need to leave R_OPSTACK pointing to the top entry on the stack, which is the call address.
+ // It will be consumed (and R4 decremented) by the AsmCall code.
+ InstImm( "addi", PPC_ADDI, R_OPSTACK, R_OPSTACK, opStackDepth*4);
- InstImm( "lwz", PPC_LWZ, R_SECOND, R_REAL_STACK, 0 ); // fetch the old return address
- InstImm( "addi", PPC_ADDI, R_REAL_STACK, R_REAL_STACK, 16 );
- Inst( "mtlr", PPC_MTSPR, R_SECOND, 8, 0 ); // move to link register
- break;
- case OP_PUSH:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x PUSH\n",instruction);
- #endif
- opStackRegType[opStackDepth] = 1; // Garbage int value.
- opStackDepth += 1;
- break;
- case OP_POP:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x POP\n",instruction);
- #endif
- opStackDepth -= 1;
- opStackRegType[opStackDepth] = 0; // ??
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- break;
- case OP_LEAVE:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x LEAVE\n",instruction);
- #endif
- assert(opStackDepth == 1);
- assert(opStackRegType[0] != 0);
- // Save return value onto top of op stack. We also have to increment R_OPSTACK
- switch(opStackRegType[0])
- {
- case 1: // Integer register
- InstImm( "stw", PPC_STWU, opStackIntRegisters[0], R_OPSTACK, 4);
- break;
- case 2: // Float register
- InstImm( "stfs", PPC_STFSU, opStackFloatRegisters[0], R_OPSTACK, 4);
- break;
- }
- InstImm( "addi", PPC_ADDI, R_STACK, R_STACK, Constant4() ); // add R_STACK, R_STACK, imm
- if(mainFunction == 1)
- {
- for(i = 0; i < OP_STACK_MAX_DEPTH; i++)
- InstImm( "lwz", PPC_LWZ, opStackIntRegisters[i], R_REAL_STACK, i*4);
- InstImm( "addi", PPC_ADDI, R_REAL_STACK, R_REAL_STACK, OP_STACK_MAX_DEPTH*4 );
- }
- opStackDepth--;
- opStackRegType[opStackDepth] = 0;
- opStackLoadInstructionAddr[opStackDepth] = 0;
- Inst( "blr", PPC_BCLR, 20, 0, 0 ); // branch unconditionally to link register
- break;
- case OP_LOAD4:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x LOAD4\n",instruction);
- #endif
- // We should try to figure out whether to use LWZX or LFSX based
- // on some kind of code analysis after subsequent passes. I think what
- // we could do is store the compiled load instruction address along with
- // the register type. When we hit the first mismatched operator, we go back
- // and patch the load. Since LCC's operand stack should be at 0 depth by the
- // time we hit a branch, this should work fairly well. FIXME FIXME FIXME.
- assertInteger(opStackDepth-1);
- opStackLoadInstructionAddr[opStackDepth-1] = &buf[ compiledOfs ];
- Inst( "lwzx", PPC_LWZX, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], R_MEMBASE );// load from memory base
- opStackRegType[opStackDepth-1] = 1;
- break;
- case OP_LOAD2:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x LOAD2\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- Inst( "lhzx", PPC_LHZX, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], R_MEMBASE );// load from memory base
- opStackRegType[opStackDepth-1] = 1;
- break;
- case OP_LOAD1:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x LOAD1\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- Inst( "lbzx", PPC_LBZX, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], R_MEMBASE );// load from memory base
- opStackRegType[opStackDepth-1] = 1;
- break;
- case OP_STORE4:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x STORE4\n",instruction);
- #endif
- assertInteger(opStackDepth-2);
- if(opStackRegType[opStackDepth-1] == 1)
- Inst( "stwx", PPC_STWX, opStackIntRegisters[opStackDepth-1],
- opStackIntRegisters[opStackDepth-2], R_MEMBASE ); // store from memory base
- else
- Inst( "stfsx", PPC_STFSX, opStackFloatRegisters[opStackDepth-1],
- opStackIntRegisters[opStackDepth-2], R_MEMBASE ); // store from memory base
- opStackRegType[opStackDepth-1] = 0;
- opStackRegType[opStackDepth-2] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-2] = 0;
- opStackDepth -= 2;
- break;
- case OP_STORE2:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x STORE2\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "sthx", PPC_STHX, opStackIntRegisters[opStackDepth-1],
- opStackIntRegisters[opStackDepth-2], R_MEMBASE ); // store from memory base
- opStackRegType[opStackDepth-1] = 0;
- opStackRegType[opStackDepth-2] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-2] = 0;
- opStackDepth -= 2;
- break;
- case OP_STORE1:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x STORE1\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "stbx", PPC_STBX, opStackIntRegisters[opStackDepth-1],
- opStackIntRegisters[opStackDepth-2], R_MEMBASE ); // store from memory base
- opStackRegType[opStackDepth-1] = 0;
- opStackRegType[opStackDepth-2] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-2] = 0;
- opStackDepth -= 2;
- break;
+ Inst( "mtctr", PPC_MTSPR, R_ASMCALL, 9, 0 ); // move to count register
+ Inst( "bctrl", PPC_BCCTR | 1, 20, 0, 0 ); // jump and link to the count register
- case OP_EQ:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x EQ\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "cmp", PPC_CMP, 0, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackRegType[opStackDepth-2] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-2] = 0;
- opStackDepth -= 2;
- i = Constant4();
- JUSED(i);
- InstImm( "bc", PPC_BC, 4, 2, 8 );
- if ( pass==1 ) {
- v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
- } else {
- v = 0;
- }
- Emit4("b", PPC_B | (v&0x3ffffff) );
- break;
- case OP_NE:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x NE\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "cmp", PPC_CMP, 0, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackRegType[opStackDepth-2] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-2] = 0;
- opStackDepth -= 2;
- i = Constant4();
- JUSED(i);
- InstImm( "bc", PPC_BC, 12, 2, 8 );
- if ( pass==1 ) {
- v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
- } else {
- v = 0;
- }
- Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
-// InstImm( "bc", PPC_BC, 4, 2, v );
+ // R4 now points to the top of the operand stack, which has the return value in it. We want to
+ // back off the pointer to point to the base of our local operand stack and then reload the stack.
- break;
- case OP_LTI:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x LTI\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "cmp", PPC_CMP, 0, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackRegType[opStackDepth-2] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-2] = 0;
- opStackDepth -= 2;
- i = Constant4();
- JUSED(i);
- InstImm( "bc", PPC_BC, 4, 0, 8 );
- if ( pass==1 ) {
- v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
- } else {
- v = 0;
- }
- Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
-// InstImm( "bc", PPC_BC, 12, 0, v );
- break;
- case OP_LEI:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x LEI\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "cmp", PPC_CMP, 0, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackRegType[opStackDepth-2] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-2] = 0;
- opStackDepth -= 2;
- i = Constant4();
- JUSED(i);
- InstImm( "bc", PPC_BC, 12, 1, 8 );
- if ( pass==1 ) {
- v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
- } else {
- v = 0;
- }
- Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
-// InstImm( "bc", PPC_BC, 4, 1, v );
- break;
- case OP_GTI:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x GTI\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "cmp", PPC_CMP, 0, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackRegType[opStackDepth-2] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-2] = 0;
- opStackDepth -= 2;
- i = Constant4();
- JUSED(i);
- InstImm( "bc", PPC_BC, 4, 1, 8 );
- if ( pass==1 ) {
- v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
- } else {
- v = 0;
- }
- Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
-// InstImm( "bc", PPC_BC, 12, 1, v );
- break;
- case OP_GEI:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x GEI\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "cmp", PPC_CMP, 0, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackRegType[opStackDepth-2] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-2] = 0;
- opStackDepth -= 2;
- i = Constant4();
- JUSED(i);
- InstImm( "bc", PPC_BC, 12, 0, 8 );
- if ( pass==1 ) {
- v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
- } else {
- v = 0;
- }
- Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
-// InstImm( "bc", PPC_BC, 4, 0, v );
- break;
- case OP_LTU:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x LTU\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "cmpl", PPC_CMPL, 0, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackRegType[opStackDepth-2] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-2] = 0;
- opStackDepth -= 2;
- i = Constant4();
- JUSED(i);
- InstImm( "bc", PPC_BC, 4, 0, 8 );
- if ( pass==1 ) {
- v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
- } else {
- v = 0;
- }
- Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
-// InstImm( "bc", PPC_BC, 12, 0, v );
- break;
- case OP_LEU:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x LEU\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "cmpl", PPC_CMPL, 0, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackRegType[opStackDepth-2] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-2] = 0;
- opStackDepth -= 2;
- i = Constant4();
- JUSED(i);
- InstImm( "bc", PPC_BC, 12, 1, 8 );
- if ( pass==1 ) {
- v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
- } else {
- v = 0;
- }
- Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
-// InstImm( "bc", PPC_BC, 4, 1, v );
- break;
- case OP_GTU:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x GTU\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "cmpl", PPC_CMPL, 0, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackRegType[opStackDepth-2] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-2] = 0;
- opStackDepth -= 2;
- i = Constant4();
- JUSED(i);
- InstImm( "bc", PPC_BC, 4, 1, 8 );
- if ( pass==1 ) {
- v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
- } else {
- v = 0;
- }
- Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
-// InstImm( "bc", PPC_BC, 12, 1, v );
- break;
- case OP_GEU:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x GEU\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "cmpl", PPC_CMPL, 0, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackRegType[opStackDepth-2] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-2] = 0;
- opStackDepth -= 2;
- i = Constant4();
- JUSED(i);
- InstImm( "bc", PPC_BC, 12, 0, 8 );
- if ( pass==1 ) {
- v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
- } else {
- v = 0;
- }
- Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
-// InstImm( "bc", PPC_BC, 4, 0, v );
- break;
-
- case OP_EQF:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x EQF\n",instruction);
- #endif
- makeFloat(opStackDepth-1);
- makeFloat(opStackDepth-2);
- Inst( "fcmpu", PPC_FCMPU, 0, opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackRegType[opStackDepth-2] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-2] = 0;
- opStackDepth -= 2;
- i = Constant4();
- JUSED(i);
- InstImm( "bc", PPC_BC, 4, 2, 8 );
- if ( pass==1 ) {
- v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
- } else {
- v = 0;
- }
- Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
-// InstImm( "bc", PPC_BC, 12, 2, v );
- break;
- case OP_NEF:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x NEF\n",instruction);
- #endif
- makeFloat(opStackDepth-1);
- makeFloat(opStackDepth-2);
- Inst( "fcmpu", PPC_FCMPU, 0, opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackRegType[opStackDepth-2] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-2] = 0;
- opStackDepth -= 2;
- i = Constant4();
- JUSED(i);
- InstImm( "bc", PPC_BC, 12, 2, 8 );
- if ( pass==1 ) {
- v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
- } else {
- v = 0;
- }
- Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
-// InstImm( "bc", PPC_BC, 4, 2, v );
- break;
- case OP_LTF:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x LTF\n",instruction);
- #endif
- makeFloat(opStackDepth-1);
- makeFloat(opStackDepth-2);
- Inst( "fcmpu", PPC_FCMPU, 0, opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackRegType[opStackDepth-2] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-2] = 0;
- opStackDepth -= 2;
- i = Constant4();
- JUSED(i);
- InstImm( "bc", PPC_BC, 4, 0, 8 );
- if ( pass==1 ) {
- v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
- } else {
- v = 0;
- }
- Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
-// InstImm( "bc", PPC_BC, 12, 0, v );
- break;
- case OP_LEF:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x LEF\n",instruction);
- #endif
- makeFloat(opStackDepth-1);
- makeFloat(opStackDepth-2);
- Inst( "fcmpu", PPC_FCMPU, 0, opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackRegType[opStackDepth-2] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-2] = 0;
- opStackDepth -= 2;
- i = Constant4();
- JUSED(i);
- InstImm( "bc", PPC_BC, 12, 1, 8 );
- if ( pass==1 ) {
- v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
- } else {
- v = 0;
- }
- Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
-// InstImm( "bc", PPC_BC, 4, 1, v );
- break;
- case OP_GTF:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x GTF\n",instruction);
- #endif
- makeFloat(opStackDepth-1);
- makeFloat(opStackDepth-2);
- Inst( "fcmpu", PPC_FCMPU, 0, opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackRegType[opStackDepth-2] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-2] = 0;
- opStackDepth -= 2;
- i = Constant4();
- JUSED(i);
- InstImm( "bc", PPC_BC, 4, 1, 8 );
- if ( pass==1 ) {
- v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
- } else {
- v = 0;
- }
- Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
-// InstImm( "bc", PPC_BC, 12, 1, v );
- break;
- case OP_GEF:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x GEF\n",instruction);
- #endif
- makeFloat(opStackDepth-1);
- makeFloat(opStackDepth-2);
- Inst( "fcmpu", PPC_FCMPU, 0, opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackRegType[opStackDepth-2] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-2] = 0;
- opStackDepth -= 2;
- i = Constant4();
- JUSED(i);
- InstImm( "bc", PPC_BC, 12, 0, 8 );
- if ( pass==1 ) {
- v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
- } else {
- v = 0;
- }
- Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
-// InstImm( "bc", PPC_BC, 4, 0, v );
- break;
+ InstImm("addi", PPC_ADDI, R_OPSTACK, R_OPSTACK, -opStackDepth*4);
- case OP_NEGI:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x NEGI\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- InstImm( "subfic", PPC_SUBFIC, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], 0 );
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- break;
- case OP_ADD:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x ADD\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "add", PPC_ADD, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-2] );
- opStackRegType[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackDepth -= 1;
- break;
- case OP_SUB:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x SUB\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "subf", PPC_SUBF, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-2] );
- opStackRegType[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackDepth -= 1;
- break;
- case OP_DIVI:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x DIVI\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "divw", PPC_DIVW, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackDepth -= 1;
- break;
- case OP_DIVU:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x DIVU\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "divwu", PPC_DIVWU, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackDepth -= 1;
- break;
- case OP_MODI:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x MODI\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "divw", PPC_DIVW, R_EA, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
- Inst( "mullw", PPC_MULLW, R_EA, opStackIntRegisters[opStackDepth-1], R_EA );
- Inst( "subf", PPC_SUBF, opStackIntRegisters[opStackDepth-2], R_EA, opStackIntRegisters[opStackDepth-2] );
- opStackRegType[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackDepth -= 1;
- break;
- case OP_MODU:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x MODU\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "divwu", PPC_DIVWU, R_EA, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
- Inst( "mullw", PPC_MULLW, R_EA, opStackIntRegisters[opStackDepth-1], R_EA );
- Inst( "subf", PPC_SUBF, opStackIntRegisters[opStackDepth-2], R_EA, opStackIntRegisters[opStackDepth-2] );
- opStackRegType[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackDepth -= 1;
- break;
- case OP_MULI:
- case OP_MULU:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x MULI\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "mullw", PPC_MULLW, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-2] );
- opStackRegType[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackDepth -= 1;
- break;
- case OP_BAND:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x BAND\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "and", PPC_AND, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackDepth -= 1;
- break;
- case OP_BOR:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x BOR\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "or", PPC_OR, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackDepth -= 1;
- break;
- case OP_BXOR:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x BXOR\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "xor", PPC_XOR, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackDepth -= 1;
- break;
- case OP_BCOM:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x BCOM\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- Inst( "nor", PPC_NOR, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1] );
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- break;
- case OP_LSH:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x LSH\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "slw", PPC_SLW, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackDepth -= 1;
- break;
- case OP_RSHI:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x RSHI\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "sraw", PPC_SRAW, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackDepth -= 1;
- break;
- case OP_RSHU:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x RSHU\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- Inst( "srw", PPC_SRW, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackDepth -= 1;
- break;
+ // Reload operand stack.
+ loadOpStack(opStackDepth);
- case OP_NEGF:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x NEGF\n",instruction);
- #endif
- makeFloat(opStackDepth-1);
- Inst( "fneg", PPC_FNEG, opStackFloatRegisters[opStackDepth-1], 0, opStackFloatRegisters[opStackDepth-1] );
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- break;
- case OP_ADDF:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x ADDF\n",instruction);
- #endif
- makeFloat(opStackDepth-1);
- makeFloat(opStackDepth-2);
- Inst( "fadds", PPC_FADDS, opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackDepth -= 1;
- break;
- case OP_SUBF:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x SUBF\n",instruction);
- #endif
- makeFloat(opStackDepth-1);
- makeFloat(opStackDepth-2);
- Inst( "fsubs", PPC_FSUBS, opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackDepth -= 1;
- break;
- case OP_DIVF:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x DIVF\n",instruction);
- #endif
- makeFloat(opStackDepth-1);
- makeFloat(opStackDepth-2);
- Inst( "fdivs", PPC_FDIVS, opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackDepth -= 1;
- break;
- case OP_MULF:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x MULF\n",instruction);
- #endif
- makeFloat(opStackDepth-1);
- makeFloat(opStackDepth-2);
- Inst4( "fmuls", PPC_FMULS, opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-2], 0, opStackFloatRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackDepth -= 1;
- break;
+ InstImm( "lwz", PPC_LWZ, R_SECOND, R_REAL_STACK, 0 ); // fetch the old return address
+ InstImm( "addi", PPC_ADDI, R_REAL_STACK, R_REAL_STACK, 16 );
+ Inst( "mtlr", PPC_MTSPR, R_SECOND, 8, 0 ); // move to link register
+ break;
+ case OP_PUSH:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x PUSH\n",instruction);
+#endif
+ opStackRegType[opStackDepth] = 1; // Garbage int value.
+ opStackDepth += 1;
+ break;
+ case OP_POP:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x POP\n",instruction);
+#endif
+ opStackDepth -= 1;
+ opStackRegType[opStackDepth] = 0; // ??
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ break;
+ case OP_LEAVE:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x LEAVE\n",instruction);
+#endif
+ assert(opStackDepth == 1);
+ assert(opStackRegType[0] != 0);
+ // Save return value onto top of op stack. We also have to increment R_OPSTACK
+ switch(opStackRegType[0])
+ {
+ case 1: // Integer register
+ InstImm( "stw", PPC_STWU, opStackIntRegisters[0], R_OPSTACK, 4);
+ break;
+ case 2: // Float register
+ InstImm( "stfs", PPC_STFSU, opStackFloatRegisters[0], R_OPSTACK, 4);
+ break;
+ }
+ InstImm( "addi", PPC_ADDI, R_STACK, R_STACK, Constant4() ); // add R_STACK, R_STACK, imm
+ if(mainFunction == 1)
+ {
+ for(i = 0; i < OP_STACK_MAX_DEPTH; i++)
+ InstImm( "lwz", PPC_LWZ, opStackIntRegisters[i], R_REAL_STACK, i*4);
+ InstImm( "addi", PPC_ADDI, R_REAL_STACK, R_REAL_STACK, OP_STACK_MAX_DEPTH*4 );
+ }
+ opStackDepth--;
+ opStackRegType[opStackDepth] = 0;
+ opStackLoadInstructionAddr[opStackDepth] = 0;
+ Inst( "blr", PPC_BCLR, 20, 0, 0 ); // branch unconditionally to link register
+ break;
+ case OP_LOAD4:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x LOAD4\n",instruction);
+#endif
+ // We should try to figure out whether to use LWZX or LFSX based
+ // on some kind of code analysis after subsequent passes. I think what
+ // we could do is store the compiled load instruction address along with
+ // the register type. When we hit the first mismatched operator, we go back
+ // and patch the load. Since LCC's operand stack should be at 0 depth by the
+ // time we hit a branch, this should work fairly well. FIXME FIXME FIXME.
+ assertInteger(opStackDepth-1);
+ opStackLoadInstructionAddr[opStackDepth-1] = &buf[ compiledOfs ];
+ Inst( "lwzx", PPC_LWZX, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], R_MEMBASE );// load from memory base
+ opStackRegType[opStackDepth-1] = 1;
+ break;
+ case OP_LOAD2:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x LOAD2\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ Inst( "lhzx", PPC_LHZX, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], R_MEMBASE );// load from memory base
+ opStackRegType[opStackDepth-1] = 1;
+ break;
+ case OP_LOAD1:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x LOAD1\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ Inst( "lbzx", PPC_LBZX, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], R_MEMBASE );// load from memory base
+ opStackRegType[opStackDepth-1] = 1;
+ break;
+ case OP_STORE4:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x STORE4\n",instruction);
+#endif
+ assertInteger(opStackDepth-2);
+ if(opStackRegType[opStackDepth-1] == 1)
+ Inst( "stwx", PPC_STWX, opStackIntRegisters[opStackDepth-1],
+ opStackIntRegisters[opStackDepth-2], R_MEMBASE ); // store from memory base
+ else
+ Inst( "stfsx", PPC_STFSX, opStackFloatRegisters[opStackDepth-1],
+ opStackIntRegisters[opStackDepth-2], R_MEMBASE ); // store from memory base
+ opStackRegType[opStackDepth-1] = 0;
+ opStackRegType[opStackDepth-2] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-2] = 0;
+ opStackDepth -= 2;
+ break;
+ case OP_STORE2:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x STORE2\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "sthx", PPC_STHX, opStackIntRegisters[opStackDepth-1],
+ opStackIntRegisters[opStackDepth-2], R_MEMBASE ); // store from memory base
+ opStackRegType[opStackDepth-1] = 0;
+ opStackRegType[opStackDepth-2] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-2] = 0;
+ opStackDepth -= 2;
+ break;
+ case OP_STORE1:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x STORE1\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "stbx", PPC_STBX, opStackIntRegisters[opStackDepth-1],
+ opStackIntRegisters[opStackDepth-2], R_MEMBASE ); // store from memory base
+ opStackRegType[opStackDepth-1] = 0;
+ opStackRegType[opStackDepth-2] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-2] = 0;
+ opStackDepth -= 2;
+ break;
- case OP_CVIF:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x CVIF\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- //makeInteger(opStackDepth-1);
- v = (int)&itofConvert;
- InstImmU( "addis", PPC_ADDIS, R_EA, 0, (v >> 16)&0xffff );
- InstImmU( "ori", PPC_ORI, R_EA, R_EA, v & 0xffff );
- InstImmU( "xoris", PPC_XORIS, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], 0x8000 );
- InstImm( "stw", PPC_STW, opStackIntRegisters[opStackDepth-1], R_EA, 12 );
- InstImm( "lfd", PPC_LFD, opStackFloatRegisters[opStackDepth-1], R_EA, 0 );
- Inst( "ori", PPC_ORI, 0, 0, 0);
- Inst( "ori", PPC_ORI, 0, 0, 0);
- Inst( "ori", PPC_ORI, 0, 0, 0);
- InstImm( "lfd", PPC_LFD, 13, R_EA, 8 );
- Inst( "fsub", PPC_FSUB, opStackFloatRegisters[opStackDepth-1], 13, opStackFloatRegisters[opStackDepth-1] );
- opStackRegType[opStackDepth-1] = 2;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- // Inst( PPC_FRSP, R_TOP, 0, R_TOP );
- break;
- case OP_CVFI:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x CVFI\n",instruction);
- #endif
- makeFloat(opStackDepth-1);
+ case OP_EQ:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x EQ\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "cmp", PPC_CMP, 0, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackRegType[opStackDepth-2] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-2] = 0;
+ opStackDepth -= 2;
+ i = Constant4();
+ JUSED(i);
+ InstImm( "bc", PPC_BC, 4, 2, 8 );
+ if ( pass==1 ) {
+ v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
+ } else {
+ v = 0;
+ }
+ Emit4("b", PPC_B | (v&0x3ffffff) );
+ break;
+ case OP_NE:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x NE\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "cmp", PPC_CMP, 0, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackRegType[opStackDepth-2] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-2] = 0;
+ opStackDepth -= 2;
+ i = Constant4();
+ JUSED(i);
+ InstImm( "bc", PPC_BC, 12, 2, 8 );
+ if ( pass==1 ) {
+ v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
+ } else {
+ v = 0;
+ }
+ Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
+ // InstImm( "bc", PPC_BC, 4, 2, v );
- InstImm( "addi", PPC_ADDI, R_OPSTACK, R_OPSTACK, opStackDepth*4);
+ break;
+ case OP_LTI:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x LTI\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "cmp", PPC_CMP, 0, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackRegType[opStackDepth-2] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-2] = 0;
+ opStackDepth -= 2;
+ i = Constant4();
+ JUSED(i);
+ InstImm( "bc", PPC_BC, 4, 0, 8 );
+ if ( pass==1 ) {
+ v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
+ } else {
+ v = 0;
+ }
+ Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
+ // InstImm( "bc", PPC_BC, 12, 0, v );
+ break;
+ case OP_LEI:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x LEI\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "cmp", PPC_CMP, 0, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackRegType[opStackDepth-2] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-2] = 0;
+ opStackDepth -= 2;
+ i = Constant4();
+ JUSED(i);
+ InstImm( "bc", PPC_BC, 12, 1, 8 );
+ if ( pass==1 ) {
+ v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
+ } else {
+ v = 0;
+ }
+ Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
+ // InstImm( "bc", PPC_BC, 4, 1, v );
+ break;
+ case OP_GTI:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x GTI\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "cmp", PPC_CMP, 0, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackRegType[opStackDepth-2] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-2] = 0;
+ opStackDepth -= 2;
+ i = Constant4();
+ JUSED(i);
+ InstImm( "bc", PPC_BC, 4, 1, 8 );
+ if ( pass==1 ) {
+ v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
+ } else {
+ v = 0;
+ }
+ Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
+ // InstImm( "bc", PPC_BC, 12, 1, v );
+ break;
+ case OP_GEI:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x GEI\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "cmp", PPC_CMP, 0, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackRegType[opStackDepth-2] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-2] = 0;
+ opStackDepth -= 2;
+ i = Constant4();
+ JUSED(i);
+ InstImm( "bc", PPC_BC, 12, 0, 8 );
+ if ( pass==1 ) {
+ v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
+ } else {
+ v = 0;
+ }
+ Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
+ // InstImm( "bc", PPC_BC, 4, 0, v );
+ break;
+ case OP_LTU:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x LTU\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "cmpl", PPC_CMPL, 0, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackRegType[opStackDepth-2] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-2] = 0;
+ opStackDepth -= 2;
+ i = Constant4();
+ JUSED(i);
+ InstImm( "bc", PPC_BC, 4, 0, 8 );
+ if ( pass==1 ) {
+ v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
+ } else {
+ v = 0;
+ }
+ Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
+ // InstImm( "bc", PPC_BC, 12, 0, v );
+ break;
+ case OP_LEU:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x LEU\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "cmpl", PPC_CMPL, 0, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackRegType[opStackDepth-2] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-2] = 0;
+ opStackDepth -= 2;
+ i = Constant4();
+ JUSED(i);
+ InstImm( "bc", PPC_BC, 12, 1, 8 );
+ if ( pass==1 ) {
+ v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
+ } else {
+ v = 0;
+ }
+ Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
+ // InstImm( "bc", PPC_BC, 4, 1, v );
+ break;
+ case OP_GTU:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x GTU\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "cmpl", PPC_CMPL, 0, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackRegType[opStackDepth-2] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-2] = 0;
+ opStackDepth -= 2;
+ i = Constant4();
+ JUSED(i);
+ InstImm( "bc", PPC_BC, 4, 1, 8 );
+ if ( pass==1 ) {
+ v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
+ } else {
+ v = 0;
+ }
+ Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
+ // InstImm( "bc", PPC_BC, 12, 1, v );
+ break;
+ case OP_GEU:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x GEU\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "cmpl", PPC_CMPL, 0, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackRegType[opStackDepth-2] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-2] = 0;
+ opStackDepth -= 2;
+ i = Constant4();
+ JUSED(i);
+ InstImm( "bc", PPC_BC, 12, 0, 8 );
+ if ( pass==1 ) {
+ v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
+ } else {
+ v = 0;
+ }
+ Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
+ // InstImm( "bc", PPC_BC, 4, 0, v );
+ break;
- Inst( "fctiwz", PPC_FCTIWZ, opStackFloatRegisters[opStackDepth-1], 0, opStackFloatRegisters[opStackDepth-1] );
- Inst( "stfiwx", PPC_STFIWX, opStackFloatRegisters[opStackDepth-1], 0, R_OPSTACK ); // save value to opstack (dummy area now)
- Inst( "ori", PPC_ORI, 0, 0, 0);
- Inst( "ori", PPC_ORI, 0, 0, 0);
- Inst( "ori", PPC_ORI, 0, 0, 0);
- Inst( "ori", PPC_ORI, 0, 0, 0);
- InstImm( "lwz", PPC_LWZ, opStackIntRegisters[opStackDepth-1], R_OPSTACK, 0 );
-
- InstImm( "addi", PPC_ADDI, R_OPSTACK, R_OPSTACK, -opStackDepth*4);
-
- opStackRegType[opStackDepth-1] = 1;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- break;
- case OP_SEX8:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x SEX8\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- Inst( "extsb", PPC_EXTSB, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], 0 );
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- break;
- case OP_SEX16:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x SEX16\n",instruction);
- #endif
- assertInteger(opStackDepth-1);
- Inst( "extsh", PPC_EXTSH, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], 0 );
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- break;
+ case OP_EQF:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x EQF\n",instruction);
+#endif
+ makeFloat(opStackDepth-1);
+ makeFloat(opStackDepth-2);
+ Inst( "fcmpu", PPC_FCMPU, 0, opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackRegType[opStackDepth-2] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-2] = 0;
+ opStackDepth -= 2;
+ i = Constant4();
+ JUSED(i);
+ InstImm( "bc", PPC_BC, 4, 2, 8 );
+ if ( pass==1 ) {
+ v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
+ } else {
+ v = 0;
+ }
+ Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
+ // InstImm( "bc", PPC_BC, 12, 2, v );
+ break;
+ case OP_NEF:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x NEF\n",instruction);
+#endif
+ makeFloat(opStackDepth-1);
+ makeFloat(opStackDepth-2);
+ Inst( "fcmpu", PPC_FCMPU, 0, opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackRegType[opStackDepth-2] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-2] = 0;
+ opStackDepth -= 2;
+ i = Constant4();
+ JUSED(i);
+ InstImm( "bc", PPC_BC, 12, 2, 8 );
+ if ( pass==1 ) {
+ v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
+ } else {
+ v = 0;
+ }
+ Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
+ // InstImm( "bc", PPC_BC, 4, 2, v );
+ break;
+ case OP_LTF:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x LTF\n",instruction);
+#endif
+ makeFloat(opStackDepth-1);
+ makeFloat(opStackDepth-2);
+ Inst( "fcmpu", PPC_FCMPU, 0, opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackRegType[opStackDepth-2] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-2] = 0;
+ opStackDepth -= 2;
+ i = Constant4();
+ JUSED(i);
+ InstImm( "bc", PPC_BC, 4, 0, 8 );
+ if ( pass==1 ) {
+ v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
+ } else {
+ v = 0;
+ }
+ Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
+ // InstImm( "bc", PPC_BC, 12, 0, v );
+ break;
+ case OP_LEF:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x LEF\n",instruction);
+#endif
+ makeFloat(opStackDepth-1);
+ makeFloat(opStackDepth-2);
+ Inst( "fcmpu", PPC_FCMPU, 0, opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackRegType[opStackDepth-2] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-2] = 0;
+ opStackDepth -= 2;
+ i = Constant4();
+ JUSED(i);
+ InstImm( "bc", PPC_BC, 12, 1, 8 );
+ if ( pass==1 ) {
+ v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
+ } else {
+ v = 0;
+ }
+ Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
+ // InstImm( "bc", PPC_BC, 4, 1, v );
+ break;
+ case OP_GTF:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x GTF\n",instruction);
+#endif
+ makeFloat(opStackDepth-1);
+ makeFloat(opStackDepth-2);
+ Inst( "fcmpu", PPC_FCMPU, 0, opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackRegType[opStackDepth-2] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-2] = 0;
+ opStackDepth -= 2;
+ i = Constant4();
+ JUSED(i);
+ InstImm( "bc", PPC_BC, 4, 1, 8 );
+ if ( pass==1 ) {
+ v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
+ } else {
+ v = 0;
+ }
+ Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
+ // InstImm( "bc", PPC_BC, 12, 1, v );
+ break;
+ case OP_GEF:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x GEF\n",instruction);
+#endif
+ makeFloat(opStackDepth-1);
+ makeFloat(opStackDepth-2);
+ Inst( "fcmpu", PPC_FCMPU, 0, opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackRegType[opStackDepth-2] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-2] = 0;
+ opStackDepth -= 2;
+ i = Constant4();
+ JUSED(i);
+ InstImm( "bc", PPC_BC, 12, 0, 8 );
+ if ( pass==1 ) {
+ v = vm->instructionPointers[ i ] - (int)&buf[compiledOfs];
+ } else {
+ v = 0;
+ }
+ Emit4("b", PPC_B | (unsigned int)(v&0x3ffffff) );
+ // InstImm( "bc", PPC_BC, 4, 0, v );
+ break;
- case OP_BLOCK_COPY:
- v = Constant4() >> 2;
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x BLOCK_COPY\t%08lx\n",instruction,v<<2);
- #endif
- assert(opStackDepth >= 2);
- assertInteger(opStackDepth-1);
- assertInteger(opStackDepth-2);
- InstImmU( "addi", PPC_ADDI, R_EA, 0, v ); // count
- // FIXME: range check
- Inst( "mtctr", PPC_MTSPR, R_EA, 9, 0 ); // move to count register
+ case OP_NEGI:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x NEGI\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ InstImm( "subfic", PPC_SUBFIC, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], 0 );
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ break;
+ case OP_ADD:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x ADD\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "add", PPC_ADD, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-2] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackDepth -= 1;
+ break;
+ case OP_SUB:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x SUB\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "subf", PPC_SUBF, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-2] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackDepth -= 1;
+ break;
+ case OP_DIVI:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x DIVI\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "divw", PPC_DIVW, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackDepth -= 1;
+ break;
+ case OP_DIVU:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x DIVU\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "divwu", PPC_DIVWU, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackDepth -= 1;
+ break;
+ case OP_MODI:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x MODI\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "divw", PPC_DIVW, R_EA, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
+ Inst( "mullw", PPC_MULLW, R_EA, opStackIntRegisters[opStackDepth-1], R_EA );
+ Inst( "subf", PPC_SUBF, opStackIntRegisters[opStackDepth-2], R_EA, opStackIntRegisters[opStackDepth-2] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackDepth -= 1;
+ break;
+ case OP_MODU:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x MODU\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "divwu", PPC_DIVWU, R_EA, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
+ Inst( "mullw", PPC_MULLW, R_EA, opStackIntRegisters[opStackDepth-1], R_EA );
+ Inst( "subf", PPC_SUBF, opStackIntRegisters[opStackDepth-2], R_EA, opStackIntRegisters[opStackDepth-2] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackDepth -= 1;
+ break;
+ case OP_MULI:
+ case OP_MULU:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x MULI\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "mullw", PPC_MULLW, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-2] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackDepth -= 1;
+ break;
+ case OP_BAND:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x BAND\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "and", PPC_AND, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackDepth -= 1;
+ break;
+ case OP_BOR:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x BOR\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "or", PPC_OR, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackDepth -= 1;
+ break;
+ case OP_BXOR:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x BXOR\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "xor", PPC_XOR, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackDepth -= 1;
+ break;
+ case OP_BCOM:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x BCOM\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ Inst( "nor", PPC_NOR, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1] );
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ break;
+ case OP_LSH:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x LSH\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "slw", PPC_SLW, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackDepth -= 1;
+ break;
+ case OP_RSHI:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x RSHI\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "sraw", PPC_SRAW, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackDepth -= 1;
+ break;
+ case OP_RSHU:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x RSHU\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ Inst( "srw", PPC_SRW, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackDepth -= 1;
+ break;
- Inst( "add", PPC_ADD, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], R_MEMBASE );
- InstImm( "addi", PPC_ADDI, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], -4 );
- Inst( "add", PPC_ADD, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-2], R_MEMBASE );
- InstImm( "addi", PPC_ADDI, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-2], -4 );
+ case OP_NEGF:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x NEGF\n",instruction);
+#endif
+ makeFloat(opStackDepth-1);
+ Inst( "fneg", PPC_FNEG, opStackFloatRegisters[opStackDepth-1], 0, opStackFloatRegisters[opStackDepth-1] );
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ break;
+ case OP_ADDF:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x ADDF\n",instruction);
+#endif
+ makeFloat(opStackDepth-1);
+ makeFloat(opStackDepth-2);
+ Inst( "fadds", PPC_FADDS, opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackDepth -= 1;
+ break;
+ case OP_SUBF:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x SUBF\n",instruction);
+#endif
+ makeFloat(opStackDepth-1);
+ makeFloat(opStackDepth-2);
+ Inst( "fsubs", PPC_FSUBS, opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackDepth -= 1;
+ break;
+ case OP_DIVF:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x DIVF\n",instruction);
+#endif
+ makeFloat(opStackDepth-1);
+ makeFloat(opStackDepth-2);
+ Inst( "fdivs", PPC_FDIVS, opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackDepth -= 1;
+ break;
+ case OP_MULF:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x MULF\n",instruction);
+#endif
+ makeFloat(opStackDepth-1);
+ makeFloat(opStackDepth-2);
+ Inst4( "fmuls", PPC_FMULS, opStackFloatRegisters[opStackDepth-2], opStackFloatRegisters[opStackDepth-2], 0, opStackFloatRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackDepth -= 1;
+ break;
- InstImm( "lwzu", PPC_LWZU, R_EA, opStackIntRegisters[opStackDepth-1], 4 ); // source
- InstImm( "stwu", PPC_STWU, R_EA, opStackIntRegisters[opStackDepth-2], 4 ); // dest
- Inst( "b", PPC_BC | 0xfff8 , 16, 0, 0 ); // loop
- opStackRegType[opStackDepth-1] = 0;
- opStackRegType[opStackDepth-2] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-2] = 0;
- opStackDepth -= 2;
- break;
+ case OP_CVIF:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x CVIF\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ //makeInteger(opStackDepth-1);
+ v = (int)&itofConvert;
+ InstImmU( "addis", PPC_ADDIS, R_EA, 0, (v >> 16)&0xffff );
+ InstImmU( "ori", PPC_ORI, R_EA, R_EA, v & 0xffff );
+ InstImmU( "xoris", PPC_XORIS, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], 0x8000 );
+ InstImm( "stw", PPC_STW, opStackIntRegisters[opStackDepth-1], R_EA, 12 );
+ InstImm( "lfd", PPC_LFD, opStackFloatRegisters[opStackDepth-1], R_EA, 0 );
+ Inst( "ori", PPC_ORI, 0, 0, 0);
+ Inst( "ori", PPC_ORI, 0, 0, 0);
+ Inst( "ori", PPC_ORI, 0, 0, 0);
+ InstImm( "lfd", PPC_LFD, 13, R_EA, 8 );
+ Inst( "fsub", PPC_FSUB, opStackFloatRegisters[opStackDepth-1], 13, opStackFloatRegisters[opStackDepth-1] );
+ opStackRegType[opStackDepth-1] = 2;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ // Inst( PPC_FRSP, R_TOP, 0, R_TOP );
+ break;
+ case OP_CVFI:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x CVFI\n",instruction);
+#endif
+ makeFloat(opStackDepth-1);
- case OP_JUMP:
- #if DEBUG_VM
- if(pass == 1)
- printf("%08x JUMP\n",instruction);
- #endif
- assert(opStackDepth == 1);
- assertInteger(opStackDepth-1);
+ InstImm( "addi", PPC_ADDI, R_OPSTACK, R_OPSTACK, opStackDepth*4);
- Inst( "rlwinm", PPC_RLWINM | ( 29 << 1 ), opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], 2 );
- // FIXME: range check
- Inst( "lwzx", PPC_LWZX, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], R_INSTRUCTIONS );
- Inst( "mtctr", PPC_MTSPR, opStackIntRegisters[opStackDepth-1], 9, 0 ); // move to count register
- Inst( "bctr", PPC_BCCTR, 20, 0, 0 ); // jump to the count register
- opStackRegType[opStackDepth-1] = 0;
- opStackLoadInstructionAddr[opStackDepth-1] = 0;
- opStackDepth -= 1;
- break;
- default:
- Com_Error( ERR_DROP, "VM_CompilePPC: bad opcode %i at instruction %i, offset %i", op, instruction, pc );
- }
- pop0 = pop1;
- pop1 = op;
- assert(opStackDepth >= 0);
- assert(opStackDepth < OP_STACK_MAX_DEPTH);
-
- //printf("%4d\t%s\n",opStackDepth,opnames[op]);
- }
+ Inst( "fctiwz", PPC_FCTIWZ, opStackFloatRegisters[opStackDepth-1], 0, opStackFloatRegisters[opStackDepth-1] );
+ Inst( "stfiwx", PPC_STFIWX, opStackFloatRegisters[opStackDepth-1], 0, R_OPSTACK ); // save value to opstack (dummy area now)
+ Inst( "ori", PPC_ORI, 0, 0, 0);
+ Inst( "ori", PPC_ORI, 0, 0, 0);
+ Inst( "ori", PPC_ORI, 0, 0, 0);
+ Inst( "ori", PPC_ORI, 0, 0, 0);
+ InstImm( "lwz", PPC_LWZ, opStackIntRegisters[opStackDepth-1], R_OPSTACK, 0 );
- Com_Printf( "VM file %s pass %d compiled to %i bytes of code\n", vm->name, (pass+1), compiledOfs*4 );
+ InstImm( "addi", PPC_ADDI, R_OPSTACK, R_OPSTACK, -opStackDepth*4);
- if ( pass == 0 ) {
- // copy to an exact size buffer on the hunk
- vm->codeLength = compiledOfs * 4;
- vm->codeBase = Hunk_Alloc( vm->codeLength, h_low );
- Com_Memcpy( vm->codeBase, buf, vm->codeLength );
-
- //printf("codeBase: %p\n",vm->codeBase);
-
- Z_Free( buf );
-
- // offset all the instruction pointers for the new location
- for ( i = 0 ; i < header->instructionCount ; i++ ) {
- vm->instructionPointers[i] += (int)vm->codeBase;
- //printf("%08x %08lx\n",i,vm->instructionPointers[i]);
- }
+ opStackRegType[opStackDepth-1] = 1;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ break;
+ case OP_SEX8:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x SEX8\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ Inst( "extsb", PPC_EXTSB, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], 0 );
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ break;
+ case OP_SEX16:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x SEX16\n",instruction);
+#endif
+ assertInteger(opStackDepth-1);
+ Inst( "extsh", PPC_EXTSH, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], 0 );
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ break;
- // go back over it in place now to fixup reletive jump targets
- buf = (unsigned *)vm->codeBase;
- } else if ( pass == 1 ) {
- // clear the instruction cache for generated code
- msync(vm->codeBase, vm->codeLength, MS_INVALIDATE);
- }
- }
- if(0)
- {
- char buf[256];
- printf("wait..\n");
- gets(buf);
- }
- Z_Free( jused );
+ case OP_BLOCK_COPY:
+ v = Constant4() >> 2;
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x BLOCK_COPY\t%08lx\n",instruction,v<<2);
+#endif
+ assert(opStackDepth >= 2);
+ assertInteger(opStackDepth-1);
+ assertInteger(opStackDepth-2);
+ InstImmU( "addi", PPC_ADDI, R_EA, 0, v ); // count
+ // FIXME: range check
+ Inst( "mtctr", PPC_MTSPR, R_EA, 9, 0 ); // move to count register
+
+ Inst( "add", PPC_ADD, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], R_MEMBASE );
+ InstImm( "addi", PPC_ADDI, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], -4 );
+ Inst( "add", PPC_ADD, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-2], R_MEMBASE );
+ InstImm( "addi", PPC_ADDI, opStackIntRegisters[opStackDepth-2], opStackIntRegisters[opStackDepth-2], -4 );
+
+ InstImm( "lwzu", PPC_LWZU, R_EA, opStackIntRegisters[opStackDepth-1], 4 ); // source
+ InstImm( "stwu", PPC_STWU, R_EA, opStackIntRegisters[opStackDepth-2], 4 ); // dest
+ Inst( "b", PPC_BC | 0xfff8 , 16, 0, 0 ); // loop
+ opStackRegType[opStackDepth-1] = 0;
+ opStackRegType[opStackDepth-2] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-2] = 0;
+ opStackDepth -= 2;
+ break;
+
+ case OP_JUMP:
+#if DEBUG_VM
+ if(pass == 1)
+ printf("%08x JUMP\n",instruction);
+#endif
+ assert(opStackDepth == 1);
+ assertInteger(opStackDepth-1);
+
+ Inst( "rlwinm", PPC_RLWINM | ( 29 << 1 ), opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], 2 );
+ // FIXME: range check
+ Inst( "lwzx", PPC_LWZX, opStackIntRegisters[opStackDepth-1], opStackIntRegisters[opStackDepth-1], R_INSTRUCTIONS );
+ Inst( "mtctr", PPC_MTSPR, opStackIntRegisters[opStackDepth-1], 9, 0 ); // move to count register
+ Inst( "bctr", PPC_BCCTR, 20, 0, 0 ); // jump to the count register
+ opStackRegType[opStackDepth-1] = 0;
+ opStackLoadInstructionAddr[opStackDepth-1] = 0;
+ opStackDepth -= 1;
+ break;
+ default:
+ Com_Error( ERR_DROP, "VM_CompilePPC: bad opcode %i at instruction %i, offset %i", op, instruction, pc );
+ }
+ pop0 = pop1;
+ pop1 = op;
+ assert(opStackDepth >= 0);
+ assert(opStackDepth < OP_STACK_MAX_DEPTH);
+
+ //printf("%4d\t%s\n",opStackDepth,opnames[op]);
+ }
+
+ Com_Printf( "VM file %s pass %d compiled to %i bytes of code\n", vm->name, (pass+1), compiledOfs*4 );
+
+ if ( pass == 0 ) {
+ // copy to an exact size buffer on the hunk
+ vm->codeLength = compiledOfs * 4;
+ vm->codeBase = Hunk_Alloc( vm->codeLength, h_low );
+ Com_Memcpy( vm->codeBase, buf, vm->codeLength );
+
+ //printf("codeBase: %p\n",vm->codeBase);
+
+ Z_Free( buf );
+
+ // offset all the instruction pointers for the new location
+ for ( i = 0 ; i < header->instructionCount ; i++ ) {
+ vm->instructionPointers[i] += (int)vm->codeBase;
+ //printf("%08x %08lx\n",i,vm->instructionPointers[i]);
+ }
+
+ // go back over it in place now to fixup reletive jump targets
+ buf = (unsigned *)vm->codeBase;
+ } else if ( pass == 1 ) {
+ // clear the instruction cache for generated code
+ msync(vm->codeBase, vm->codeLength, MS_INVALIDATE);
+ }
+ }
+ if(0)
+ {
+ char buf[256];
+ printf("wait..\n");
+ gets(buf);
+ }
+ Z_Free( jused );
}
/*
@@ -1762,7 +1762,7 @@
//printf("VM_CallCompiled: %p %08lx %08lx %08lx\n",
// vm, args[0],args[1],args[2]);
-
+
// interpret the code
vm->currentlyInterpreting = qtrue;
@@ -1770,7 +1770,7 @@
programStack = vm->programStack;
stackOnEntry = programStack;
image = vm->dataBase;
-
+
// set up the stack frame
programStack -= 48;
@@ -1793,20 +1793,20 @@
// no special asm code is needed here
#ifdef __GNUC__
((void(*)(int, int, int, int, int, int, int, int))(vm->codeBase))(
- programStack, (int)&stack,
- (int)image, vm->dataMask, (int)&AsmCall,
- (int)vm->instructionPointers, vm->instructionPointersLength,
- (int)vm );
+ programStack, (int)&stack,
+ (int)image, vm->dataMask, (int)&AsmCall,
+ (int)vm->instructionPointers, vm->instructionPointersLength,
+ (int)vm );
#else
((void(*)(int, int, int, int, int, int, int, int))(vm->codeBase))(
- programStack, (int)&stack,
- (int)image, vm->dataMask, *(int *)&AsmCall /* skip function pointer header */,
- (int)vm->instructionPointers, vm->instructionPointersLength,
- (int)vm );
+ programStack, (int)&stack,
+ (int)image, vm->dataMask, *(int *)&AsmCall /* skip function pointer header */,
+ (int)vm->instructionPointers, vm->instructionPointersLength,
+ (int)vm );
#endif
vm->programStack = stackOnEntry;
- vm->currentlyInterpreting = qfalse;
+ vm->currentlyInterpreting = qfalse;
return stack[1];
}
@@ -1822,89 +1822,89 @@
#ifdef __GNUC__
void AsmCall( void ) {
-asm (
- // pop off the destination instruction
-" lwz r12,0(r4) \n" // RG_TOP, 0(RG_OPSTACK)
-" addi r4,r4,-4 \n" // RG_OPSTACK, RG_OPSTACK, -4 \n"
+ asm (
+ // pop off the destination instruction
+ " lwz r12,0(r4) \n" // RG_TOP, 0(RG_OPSTACK)
+ " addi r4,r4,-4 \n" // RG_OPSTACK, RG_OPSTACK, -4 \n"
- // see if it is a system trap
-" cmpwi r12,0 \n" // RG_TOP, 0 \n"
-" bc 12,0, systemTrap \n"
+ // see if it is a system trap
+ " cmpwi r12,0 \n" // RG_TOP, 0 \n"
+ " bc 12,0, systemTrap \n"
- // calling another VM function, so lookup in instructionPointers
-" slwi r12,r12,2 \n" // RG_TOP,RG_TOP,2
- // FIXME: range check
-" lwzx r12, r8, r12 \n" // RG_TOP, RG_INSTRUCTIONS(RG_TOP)
-" mtctr r12 \n" // RG_TOP
-);
+ // calling another VM function, so lookup in instructionPointers
+ " slwi r12,r12,2 \n" // RG_TOP,RG_TOP,2
+ // FIXME: range check
+ " lwzx r12, r8, r12 \n" // RG_TOP, RG_INSTRUCTIONS(RG_TOP)
+ " mtctr r12 \n" // RG_TOP
+ );
#if defined(MACOS_X) && defined(__OPTIMIZE__)
- // On Mac OS X, gcc doesn't push a frame when we are optimized, so trying to tear it down results in grave disorder.
-//#warning Mac OS X optimization on, not popping GCC AsmCall frame
+ // On Mac OS X, gcc doesn't push a frame when we are optimized, so trying to tear it down results in grave disorder.
+ //#warning Mac OS X optimization on, not popping GCC AsmCall frame
#else
- // Mac OS X Server and unoptimized compiles include a GCC AsmCall frame
- asm (
-" lwz r1,0(r1) \n" // pop off the GCC AsmCall frame
-" lmw r30,-8(r1) \n"
-);
+ // Mac OS X Server and unoptimized compiles include a GCC AsmCall frame
+ asm (
+ " lwz r1,0(r1) \n" // pop off the GCC AsmCall frame
+ " lmw r30,-8(r1) \n"
+ );
#endif
-asm (
-" bcctr 20,0 \n" // when it hits a leave, it will branch to the current link register
+ asm (
+ " bcctr 20,0 \n" // when it hits a leave, it will branch to the current link register
- // calling a system trap
-"systemTrap: \n"
- // convert to positive system call number
-" subfic r12,r12,-1 \n"
+ // calling a system trap
+ "systemTrap: \n"
+ // convert to positive system call number
+ " subfic r12,r12,-1 \n"
- // save all our registers, including the current link register
-" mflr r13 \n" // RG_SECOND // copy off our link register
-" addi r1,r1,-92 \n" // required 24 byets of linkage, 32 bytes of parameter, plus our saves
-" stw r3,56(r1) \n" // RG_STACK, -36(REAL_STACK)
-" stw r4,60(r1) \n" // RG_OPSTACK, 4(RG_REAL_STACK)
-" stw r5,64(r1) \n" // RG_MEMBASE, 8(RG_REAL_STACK)
-" stw r6,68(r1) \n" // RG_MEMMASK, 12(RG_REAL_STACK)
-" stw r7,72(r1) \n" // RG_ASMCALL, 16(RG_REAL_STACK)
-" stw r8,76(r1) \n" // RG_INSTRUCTIONS, 20(RG_REAL_STACK)
-" stw r9,80(r1) \n" // RG_NUM_INSTRUCTIONS, 24(RG_REAL_STACK)
-" stw r10,84(r1) \n" // RG_VM, 28(RG_REAL_STACK)
-" stw r13,88(r1) \n" // RG_SECOND, 32(RG_REAL_STACK) // link register
+ // save all our registers, including the current link register
+ " mflr r13 \n" // RG_SECOND // copy off our link register
+ " addi r1,r1,-92 \n" // required 24 byets of linkage, 32 bytes of parameter, plus our saves
+ " stw r3,56(r1) \n" // RG_STACK, -36(REAL_STACK)
+ " stw r4,60(r1) \n" // RG_OPSTACK, 4(RG_REAL_STACK)
+ " stw r5,64(r1) \n" // RG_MEMBASE, 8(RG_REAL_STACK)
+ " stw r6,68(r1) \n" // RG_MEMMASK, 12(RG_REAL_STACK)
+ " stw r7,72(r1) \n" // RG_ASMCALL, 16(RG_REAL_STACK)
+ " stw r8,76(r1) \n" // RG_INSTRUCTIONS, 20(RG_REAL_STACK)
+ " stw r9,80(r1) \n" // RG_NUM_INSTRUCTIONS, 24(RG_REAL_STACK)
+ " stw r10,84(r1) \n" // RG_VM, 28(RG_REAL_STACK)
+ " stw r13,88(r1) \n" // RG_SECOND, 32(RG_REAL_STACK) // link register
- // save the vm stack position to allow recursive VM entry
-" addi r13,r3,-4 \n" // RG_TOP, RG_STACK, -4
-" stw r13,0(r10) \n" //RG_TOP, VM_OFFSET_PROGRAM_STACK(RG_VM)
+ // save the vm stack position to allow recursive VM entry
+ " addi r13,r3,-4 \n" // RG_TOP, RG_STACK, -4
+ " stw r13,0(r10) \n" //RG_TOP, VM_OFFSET_PROGRAM_STACK(RG_VM)
- // save the system call number as the 0th parameter
-" add r3,r3,r5 \n" // r3, RG_STACK, RG_MEMBASE // r3 is the first parameter to vm->systemCalls
-" stwu r12,4(r3) \n" // RG_TOP, 4(r3)
+ // save the system call number as the 0th parameter
+ " add r3,r3,r5 \n" // r3, RG_STACK, RG_MEMBASE // r3 is the first parameter to vm->systemCalls
+ " stwu r12,4(r3) \n" // RG_TOP, 4(r3)
- // make the system call with the address of all the VM parms as a parameter
- // vm->systemCalls( &parms )
-" lwz r12,4(r10) \n" // RG_TOP, VM_OFFSET_SYSTEM_CALL(RG_VM)
-" mtctr r12 \n" // RG_TOP
-" bcctrl 20,0 \n"
-" mr r12,r3 \n" // RG_TOP, r3
+ // make the system call with the address of all the VM parms as a parameter
+ // vm->systemCalls( &parms )
+ " lwz r12,4(r10) \n" // RG_TOP, VM_OFFSET_SYSTEM_CALL(RG_VM)
+ " mtctr r12 \n" // RG_TOP
+ " bcctrl 20,0 \n"
+ " mr r12,r3 \n" // RG_TOP, r3
- // pop our saved registers
-" lwz r3,56(r1) \n" // RG_STACK, 0(RG_REAL_STACK)
-" lwz r4,60(r1) \n" // RG_OPSTACK, 4(RG_REAL_STACK)
-" lwz r5,64(r1) \n" // RG_MEMBASE, 8(RG_REAL_STACK)
-" lwz r6,68(r1) \n" // RG_MEMMASK, 12(RG_REAL_STACK)
-" lwz r7,72(r1) \n" // RG_ASMCALL, 16(RG_REAL_STACK)
-" lwz r8,76(r1) \n" // RG_INSTRUCTIONS, 20(RG_REAL_STACK)
-" lwz r9,80(r1) \n" // RG_NUM_INSTRUCTIONS, 24(RG_REAL_STACK)
-" lwz r10,84(r1) \n" // RG_VM, 28(RG_REAL_STACK)
-" lwz r13,88(r1) \n" // RG_SECOND, 32(RG_REAL_STACK)
-" addi r1,r1,92 \n" // RG_REAL_STACK, RG_REAL_STACK, 36
+ // pop our saved registers
+ " lwz r3,56(r1) \n" // RG_STACK, 0(RG_REAL_STACK)
+ " lwz r4,60(r1) \n" // RG_OPSTACK, 4(RG_REAL_STACK)
+ " lwz r5,64(r1) \n" // RG_MEMBASE, 8(RG_REAL_STACK)
+ " lwz r6,68(r1) \n" // RG_MEMMASK, 12(RG_REAL_STACK)
+ " lwz r7,72(r1) \n" // RG_ASMCALL, 16(RG_REAL_STACK)
+ " lwz r8,76(r1) \n" // RG_INSTRUCTIONS, 20(RG_REAL_STACK)
+ " lwz r9,80(r1) \n" // RG_NUM_INSTRUCTIONS, 24(RG_REAL_STACK)
+ " lwz r10,84(r1) \n" // RG_VM, 28(RG_REAL_STACK)
+ " lwz r13,88(r1) \n" // RG_SECOND, 32(RG_REAL_STACK)
+ " addi r1,r1,92 \n" // RG_REAL_STACK, RG_REAL_STACK, 36
- // restore the old link register
-" mtlr r13 \n" // RG_SECOND
+ // restore the old link register
+ " mtlr r13 \n" // RG_SECOND
- // save off the return value
-" stwu r12,4(r4) \n" // RG_TOP, 0(RG_OPSTACK)
+ // save off the return value
+ " stwu r12,4(r4) \n" // RG_TOP, 0(RG_OPSTACK)
- // GCC adds its own prolog / epliog code
- );
+ // GCC adds its own prolog / epliog code
+ );
}
#else
@@ -1912,163 +1912,160 @@
void asm AsmCall( void ) {
- // pop off the destination instruction
+ // pop off the destination instruction
- lwz r12,0(r4) // RG_TOP, 0(RG_OPSTACK)
+ lwz r12,0(r4) // RG_TOP, 0(RG_OPSTACK)
- addi r4,r4,-4 // RG_OPSTACK, RG_OPSTACK, -4
+ addi r4,r4,-4 // RG_OPSTACK, RG_OPSTACK, -4
- // see if it is a system trap
+ // see if it is a system trap
- cmpwi r12,0 // RG_TOP, 0
+ cmpwi r12,0 // RG_TOP, 0
- bc 12,0, systemTrap
+ bc 12,0, systemTrap
- // calling another VM function, so lookup in instructionPointers
+ // calling another VM function, so lookup in instructionPointers
- slwi r12,r12,2 // RG_TOP,RG_TOP,2
+ slwi r12,r12,2 // RG_TOP,RG_TOP,2
- // FIXME: range check
+ // FIXME: range check
- lwzx r12, r8, r12 // RG_TOP, RG_INSTRUCTIONS(RG_TOP)
+ lwzx r12, r8, r12 // RG_TOP, RG_INSTRUCTIONS(RG_TOP)
- mtctr r12 // RG_TOP
+ mtctr r12 // RG_TOP
- bcctr 20,0 // when it hits a leave, it will branch to the current link register
+ bcctr 20,0 // when it hits a leave, it will branch to the current link register
- // calling a system trap
+ // calling a system trap
-systemTrap:
+ systemTrap:
- // convert to positive system call number
+ // convert to positive system call number
- subfic r12,r12,-1
+ subfic r12,r12,-1
- // save all our registers, including the current link register
+ // save all our registers, including the current link register
- mflr r13 // RG_SECOND // copy off our link register
+ mflr r13 // RG_SECOND // copy off our link register
- addi r1,r1,-92 // required 24 byets of linkage, 32 bytes of parameter, plus our saves
+ addi r1,r1,-92 // required 24 byets of linkage, 32 bytes of parameter, plus our saves
- stw r3,56(r1) // RG_STACK, -36(REAL_STACK)
+ stw r3,56(r1) // RG_STACK, -36(REAL_STACK)
- stw r4,60(r1) // RG_OPSTACK, 4(RG_REAL_STACK)
+ stw r4,60(r1) // RG_OPSTACK, 4(RG_REAL_STACK)
- stw r5,64(r1) // RG_MEMBASE, 8(RG_REAL_STACK)
+ stw r5,64(r1) // RG_MEMBASE, 8(RG_REAL_STACK)
- stw r6,68(r1) // RG_MEMMASK, 12(RG_REAL_STACK)
+ stw r6,68(r1) // RG_MEMMASK, 12(RG_REAL_STACK)
- stw r7,72(r1) // RG_ASMCALL, 16(RG_REAL_STACK)
+ stw r7,72(r1) // RG_ASMCALL, 16(RG_REAL_STACK)
- stw r8,76(r1) // RG_INSTRUCTIONS, 20(RG_REAL_STACK)
+ stw r8,76(r1) // RG_INSTRUCTIONS, 20(RG_REAL_STACK)
- stw r9,80(r1) // RG_NUM_INSTRUCTIONS, 24(RG_REAL_STACK)
+ stw r9,80(r1) // RG_NUM_INSTRUCTIONS, 24(RG_REAL_STACK)
- stw r10,84(r1) // RG_VM, 28(RG_REAL_STACK)
+ stw r10,84(r1) // RG_VM, 28(RG_REAL_STACK)
- stw r13,88(r1) // RG_SECOND, 32(RG_REAL_STACK) // link register
+ stw r13,88(r1) // RG_SECOND, 32(RG_REAL_STACK) // link register
- // save the vm stack position to allow recursive VM entry
+ // save the vm stack position to allow recursive VM entry
- addi r13,r3,-4 // RG_TOP, RG_STACK, -4
+ addi r13,r3,-4 // RG_TOP, RG_STACK, -4
- stw r13,0(r10) //RG_TOP, VM_OFFSET_PROGRAM_STACK(RG_VM)
+ stw r13,0(r10) //RG_TOP, VM_OFFSET_PROGRAM_STACK(RG_VM)
- // save the system call number as the 0th parameter
+ // save the system call number as the 0th parameter
- add r3,r3,r5 // r3, RG_STACK, RG_MEMBASE // r3 is the first parameter to vm->systemCalls
+ add r3,r3,r5 // r3, RG_STACK, RG_MEMBASE // r3 is the first parameter to vm->systemCalls
- stwu r12,4(r3) // RG_TOP, 4(r3)
+ stwu r12,4(r3) // RG_TOP, 4(r3)
- // make the system call with the address of all the VM parms as a parameter
+ // make the system call with the address of all the VM parms as a parameter
- // vm->systemCalls( &parms )
+ // vm->systemCalls( &parms )
- lwz r12,4(r10) // RG_TOP, VM_OFFSET_SYSTEM_CALL(RG_VM)
+ lwz r12,4(r10) // RG_TOP, VM_OFFSET_SYSTEM_CALL(RG_VM)
-
- // perform macos cross fragment fixup crap
- lwz r9,0(r12)
+ // perform macos cross fragment fixup crap
- stw r2,52(r1) // save old TOC
+ lwz r9,0(r12)
- lwz r2,4(r12)
+ stw r2,52(r1) // save old TOC
-
+ lwz r2,4(r12)
- mtctr r9 // RG_TOP
- bcctrl 20,0
-
+ mtctr r9 // RG_TOP
- lwz r2,52(r1) // restore TOC
+ bcctrl 20,0
-
- mr r12,r3 // RG_TOP, r3
+ lwz r2,52(r1) // restore TOC
- // pop our saved registers
- lwz r3,56(r1) // RG_STACK, 0(RG_REAL_STACK)
+ mr r12,r3 // RG_TOP, r3
- lwz r4,60(r1) // RG_OPSTACK, 4(RG_REAL_STACK)
- lwz r5,64(r1) // RG_MEMBASE, 8(RG_REAL_STACK)
- lwz r6,68(r1) // RG_MEMMASK, 12(RG_REAL_STACK)
+ // pop our saved registers
- lwz r7,72(r1) // RG_ASMCALL, 16(RG_REAL_STACK)
+ lwz r3,56(r1) // RG_STACK, 0(RG_REAL_STACK)
- lwz r8,76(r1) // RG_INSTRUCTIONS, 20(RG_REAL_STACK)
+ lwz r4,60(r1) // RG_OPSTACK, 4(RG_REAL_STACK)
- lwz r9,80(r1) // RG_NUM_INSTRUCTIONS, 24(RG_REAL_STACK)
+ lwz r5,64(r1) // RG_MEMBASE, 8(RG_REAL_STACK)
- lwz r10,84(r1) // RG_VM, 28(RG_REAL_STACK)
+ lwz r6,68(r1) // RG_MEMMASK, 12(RG_REAL_STACK)
- lwz r13,88(r1) // RG_SECOND, 32(RG_REAL_STACK)
+ lwz r7,72(r1) // RG_ASMCALL, 16(RG_REAL_STACK)
- addi r1,r1,92 // RG_REAL_STACK, RG_REAL_STACK, 36
+ lwz r8,76(r1) // RG_INSTRUCTIONS, 20(RG_REAL_STACK)
+ lwz r9,80(r1) // RG_NUM_INSTRUCTIONS, 24(RG_REAL_STACK)
+ lwz r10,84(r1) // RG_VM, 28(RG_REAL_STACK)
- // restore the old link register
+ lwz r13,88(r1) // RG_SECOND, 32(RG_REAL_STACK)
- mtlr r13 // RG_SECOND
+ addi r1,r1,92 // RG_REAL_STACK, RG_REAL_STACK, 36
- // save off the return value
+ // restore the old link register
- stwu r12,4(r4) // RG_TOP, 0(RG_OPSTACK)
+ mtlr r13 // RG_SECOND
- blr
+ // save off the return value
-}
+ stwu r12,4(r4) // RG_TOP, 0(RG_OPSTACK)
+ blr
+}
+
#endif
More information about the quake3-commits
mailing list