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dyncom: Remove PC dispatch from several instructions 

These instructions aren't capable of using the PC as a destination
This commit is contained in:
Lioncash 2015-12-19 18:51:02 -05:00
parent 5a531d7ec2
commit d09b7a3c12
1 changed files with 0 additions and 94 deletions
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94
src/core/arm/dyncom/arm_dyncom_interpreter.cpp
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@ -1623,9 +1623,6 @@ static ARM_INST_PTR INTERPRETER_TRANSLATE(ldrb)(unsigned int inst, int index)
inst_cream->inst = inst; inst_cream->inst = inst;
inst_cream->get_addr = get_calc_addr_op(inst); inst_cream->get_addr = get_calc_addr_op(inst);
if (BITS(inst, 12, 15) == 15) {
inst_base->br = INDIRECT_BRANCH;
}
return inst_base; return inst_base;
} }
static ARM_INST_PTR INTERPRETER_TRANSLATE(ldrbt)(unsigned int inst, int index) static ARM_INST_PTR INTERPRETER_TRANSLATE(ldrbt)(unsigned int inst, int index)
@ -1646,9 +1643,6 @@ static ARM_INST_PTR INTERPRETER_TRANSLATE(ldrbt)(unsigned int inst, int index)
DEBUG_MSG; DEBUG_MSG;
} }
if (BITS(inst, 12, 15) == 15) {
inst_base->br = INDIRECT_BRANCH;
}
return inst_base; return inst_base;
} }
static ARM_INST_PTR INTERPRETER_TRANSLATE(ldrd)(unsigned int inst, int index) static ARM_INST_PTR INTERPRETER_TRANSLATE(ldrd)(unsigned int inst, int index)
@ -1703,9 +1697,6 @@ static ARM_INST_PTR INTERPRETER_TRANSLATE(ldrh)(unsigned int inst, int index)
inst_cream->inst = inst; inst_cream->inst = inst;
inst_cream->get_addr = get_calc_addr_op(inst); inst_cream->get_addr = get_calc_addr_op(inst);
if (BITS(inst, 12, 15) == 15) {
inst_base->br = INDIRECT_BRANCH;
}
return inst_base; return inst_base;
} }
static ARM_INST_PTR INTERPRETER_TRANSLATE(ldrsb)(unsigned int inst, int index) static ARM_INST_PTR INTERPRETER_TRANSLATE(ldrsb)(unsigned int inst, int index)
@ -1720,9 +1711,6 @@ static ARM_INST_PTR INTERPRETER_TRANSLATE(ldrsb)(unsigned int inst, int index)
inst_cream->inst = inst; inst_cream->inst = inst;
inst_cream->get_addr = get_calc_addr_op(inst); inst_cream->get_addr = get_calc_addr_op(inst);
if (BITS(inst, 12, 15) == 15) {
inst_base->br = INDIRECT_BRANCH;
}
return inst_base; return inst_base;
} }
static ARM_INST_PTR INTERPRETER_TRANSLATE(ldrsh)(unsigned int inst, int index) static ARM_INST_PTR INTERPRETER_TRANSLATE(ldrsh)(unsigned int inst, int index)
@ -1737,9 +1725,6 @@ static ARM_INST_PTR INTERPRETER_TRANSLATE(ldrsh)(unsigned int inst, int index)
inst_cream->inst = inst; inst_cream->inst = inst;
inst_cream->get_addr = get_calc_addr_op(inst); inst_cream->get_addr = get_calc_addr_op(inst);
if (BITS(inst, 12, 15) == 15) {
inst_base->br = INDIRECT_BRANCH;
}
return inst_base; return inst_base;
} }
static ARM_INST_PTR INTERPRETER_TRANSLATE(ldrt)(unsigned int inst, int index) static ARM_INST_PTR INTERPRETER_TRANSLATE(ldrt)(unsigned int inst, int index)
@ -2597,9 +2582,6 @@ static ARM_INST_PTR INTERPRETER_TRANSLATE(str)(unsigned int inst, int index)
inst_cream->inst = inst; inst_cream->inst = inst;
inst_cream->get_addr = get_calc_addr_op(inst); inst_cream->get_addr = get_calc_addr_op(inst);
if (BITS(inst, 12, 15) == 15) {
inst_base->br = INDIRECT_BRANCH;
}
return inst_base; return inst_base;
} }
static ARM_INST_PTR INTERPRETER_TRANSLATE(uxtb)(unsigned int inst, int index) static ARM_INST_PTR INTERPRETER_TRANSLATE(uxtb)(unsigned int inst, int index)
@ -2645,9 +2627,6 @@ static ARM_INST_PTR INTERPRETER_TRANSLATE(strb)(unsigned int inst, int index)
inst_cream->inst = inst; inst_cream->inst = inst;
inst_cream->get_addr = get_calc_addr_op(inst); inst_cream->get_addr = get_calc_addr_op(inst);
if (BITS(inst, 12, 15) == 15) {
inst_base->br = INDIRECT_BRANCH;
}
return inst_base; return inst_base;
} }
static ARM_INST_PTR INTERPRETER_TRANSLATE(strbt)(unsigned int inst, int index) static ARM_INST_PTR INTERPRETER_TRANSLATE(strbt)(unsigned int inst, int index)
@ -2669,9 +2648,6 @@ static ARM_INST_PTR INTERPRETER_TRANSLATE(strbt)(unsigned int inst, int index)
DEBUG_MSG; DEBUG_MSG;
} }
if (BITS(inst, 12, 15) == 15) {
inst_base->br = INDIRECT_BRANCH;
}
return inst_base; return inst_base;
} }
static ARM_INST_PTR INTERPRETER_TRANSLATE(strd)(unsigned int inst, int index){ static ARM_INST_PTR INTERPRETER_TRANSLATE(strd)(unsigned int inst, int index){
@ -2685,9 +2661,6 @@ static ARM_INST_PTR INTERPRETER_TRANSLATE(strd)(unsigned int inst, int index){
inst_cream->inst = inst; inst_cream->inst = inst;
inst_cream->get_addr = get_calc_addr_op(inst); inst_cream->get_addr = get_calc_addr_op(inst);
if (BITS(inst, 12, 15) == 15) {
inst_base->br = INDIRECT_BRANCH;
}
return inst_base; return inst_base;
} }
static ARM_INST_PTR INTERPRETER_TRANSLATE(strex)(unsigned int inst, int index) static ARM_INST_PTR INTERPRETER_TRANSLATE(strex)(unsigned int inst, int index)
@ -2729,9 +2702,6 @@ static ARM_INST_PTR INTERPRETER_TRANSLATE(strh)(unsigned int inst, int index)
inst_cream->inst = inst; inst_cream->inst = inst;
inst_cream->get_addr = get_calc_addr_op(inst); inst_cream->get_addr = get_calc_addr_op(inst);
if (BITS(inst, 12, 15) == 15) {
inst_base->br = INDIRECT_BRANCH;
}
return inst_base; return inst_base;
} }
static ARM_INST_PTR INTERPRETER_TRANSLATE(strt)(unsigned int inst, int index) static ARM_INST_PTR INTERPRETER_TRANSLATE(strt)(unsigned int inst, int index)
@ -2757,9 +2727,6 @@ static ARM_INST_PTR INTERPRETER_TRANSLATE(strt)(unsigned int inst, int index)
DEBUG_MSG; DEBUG_MSG;
} }
if (BITS(inst, 12, 15) == 15) {
inst_base->br = INDIRECT_BRANCH;
}
return inst_base; return inst_base;
} }
static ARM_INST_PTR INTERPRETER_TRANSLATE(sub)(unsigned int inst, int index) static ARM_INST_PTR INTERPRETER_TRANSLATE(sub)(unsigned int inst, int index)
@ -2808,9 +2775,6 @@ static ARM_INST_PTR INTERPRETER_TRANSLATE(swp)(unsigned int inst, int index)
inst_cream->Rd = BITS(inst, 12, 15); inst_cream->Rd = BITS(inst, 12, 15);
inst_cream->Rm = BITS(inst, 0, 3); inst_cream->Rm = BITS(inst, 0, 3);
if (inst_cream->Rd == 15) {
inst_base->br = INDIRECT_BRANCH;
}
return inst_base; return inst_base;
} }
static ARM_INST_PTR INTERPRETER_TRANSLATE(swpb)(unsigned int inst, int index){ static ARM_INST_PTR INTERPRETER_TRANSLATE(swpb)(unsigned int inst, int index){
@ -2825,9 +2789,6 @@ static ARM_INST_PTR INTERPRETER_TRANSLATE(swpb)(unsigned int inst, int index){
inst_cream->Rd = BITS(inst, 12, 15); inst_cream->Rd = BITS(inst, 12, 15);
inst_cream->Rm = BITS(inst, 0, 3); inst_cream->Rm = BITS(inst, 0, 3);
if (inst_cream->Rd == 15) {
inst_base->br = INDIRECT_BRANCH;
}
return inst_base; return inst_base;
} }
static ARM_INST_PTR INTERPRETER_TRANSLATE(sxtab)(unsigned int inst, int index){ static ARM_INST_PTR INTERPRETER_TRANSLATE(sxtab)(unsigned int inst, int index){
@ -2915,9 +2876,6 @@ static ARM_INST_PTR INTERPRETER_TRANSLATE(tst)(unsigned int inst, int index)
inst_cream->shifter_operand = BITS(inst, 0, 11); inst_cream->shifter_operand = BITS(inst, 0, 11);
inst_cream->shtop_func = get_shtop(inst); inst_cream->shtop_func = get_shtop(inst);
if (inst_cream->Rd == 15)
inst_base->br = INDIRECT_BRANCH;
return inst_base; return inst_base;
} }
@ -4477,11 +4435,6 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
inst_cream->get_addr(cpu, inst_cream->inst, addr); inst_cream->get_addr(cpu, inst_cream->inst, addr);
cpu->Reg[BITS(inst_cream->inst, 12, 15)] = cpu->ReadMemory8(addr); cpu->Reg[BITS(inst_cream->inst, 12, 15)] = cpu->ReadMemory8(addr);
if (BITS(inst_cream->inst, 12, 15) == 15) {
INC_PC(sizeof(ldst_inst));
goto DISPATCH;
}
} }
cpu->Reg[15] += cpu->GetInstructionSize(); cpu->Reg[15] += cpu->GetInstructionSize();
INC_PC(sizeof(ldst_inst)); INC_PC(sizeof(ldst_inst));
@ -4502,11 +4455,6 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
cpu->ChangePrivilegeMode(previous_mode); cpu->ChangePrivilegeMode(previous_mode);
cpu->Reg[dest_index] = value; cpu->Reg[dest_index] = value;
if (dest_index == 15) {
INC_PC(sizeof(ldst_inst));
goto DISPATCH;
}
} }
cpu->Reg[15] += cpu->GetInstructionSize(); cpu->Reg[15] += cpu->GetInstructionSize();
INC_PC(sizeof(ldst_inst)); INC_PC(sizeof(ldst_inst));
@ -4542,10 +4490,6 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
cpu->SetExclusiveMemoryAddress(read_addr); cpu->SetExclusiveMemoryAddress(read_addr);
RD = cpu->ReadMemory32(read_addr); RD = cpu->ReadMemory32(read_addr);
if (inst_cream->Rd == 15) {
INC_PC(sizeof(generic_arm_inst));
goto DISPATCH;
}
} }
cpu->Reg[15] += cpu->GetInstructionSize(); cpu->Reg[15] += cpu->GetInstructionSize();
INC_PC(sizeof(generic_arm_inst)); INC_PC(sizeof(generic_arm_inst));
@ -4561,10 +4505,6 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
cpu->SetExclusiveMemoryAddress(read_addr); cpu->SetExclusiveMemoryAddress(read_addr);
RD = cpu->ReadMemory8(read_addr); RD = cpu->ReadMemory8(read_addr);
if (inst_cream->Rd == 15) {
INC_PC(sizeof(generic_arm_inst));
goto DISPATCH;
}
} }
cpu->Reg[15] += cpu->GetInstructionSize(); cpu->Reg[15] += cpu->GetInstructionSize();
INC_PC(sizeof(generic_arm_inst)); INC_PC(sizeof(generic_arm_inst));
@ -4580,10 +4520,6 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
cpu->SetExclusiveMemoryAddress(read_addr); cpu->SetExclusiveMemoryAddress(read_addr);
RD = cpu->ReadMemory16(read_addr); RD = cpu->ReadMemory16(read_addr);
if (inst_cream->Rd == 15) {
INC_PC(sizeof(generic_arm_inst));
goto DISPATCH;
}
} }
cpu->Reg[15] += cpu->GetInstructionSize(); cpu->Reg[15] += cpu->GetInstructionSize();
INC_PC(sizeof(generic_arm_inst)); INC_PC(sizeof(generic_arm_inst));
@ -4600,11 +4536,6 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
RD = cpu->ReadMemory32(read_addr); RD = cpu->ReadMemory32(read_addr);
RD2 = cpu->ReadMemory32(read_addr + 4); RD2 = cpu->ReadMemory32(read_addr + 4);
if (inst_cream->Rd == 15) {
INC_PC(sizeof(generic_arm_inst));
goto DISPATCH;
}
} }
cpu->Reg[15] += cpu->GetInstructionSize(); cpu->Reg[15] += cpu->GetInstructionSize();
INC_PC(sizeof(generic_arm_inst)); INC_PC(sizeof(generic_arm_inst));
@ -4618,10 +4549,6 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
inst_cream->get_addr(cpu, inst_cream->inst, addr); inst_cream->get_addr(cpu, inst_cream->inst, addr);
cpu->Reg[BITS(inst_cream->inst, 12, 15)] = cpu->ReadMemory16(addr); cpu->Reg[BITS(inst_cream->inst, 12, 15)] = cpu->ReadMemory16(addr);
if (BITS(inst_cream->inst, 12, 15) == 15) {
INC_PC(sizeof(ldst_inst));
goto DISPATCH;
}
} }
cpu->Reg[15] += cpu->GetInstructionSize(); cpu->Reg[15] += cpu->GetInstructionSize();
INC_PC(sizeof(ldst_inst)); INC_PC(sizeof(ldst_inst));
@ -4638,10 +4565,6 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
value |= 0xffffff00; value |= 0xffffff00;
} }
cpu->Reg[BITS(inst_cream->inst, 12, 15)] = value; cpu->Reg[BITS(inst_cream->inst, 12, 15)] = value;
if (BITS(inst_cream->inst, 12, 15) == 15) {
INC_PC(sizeof(ldst_inst));
goto DISPATCH;
}
} }
cpu->Reg[15] += cpu->GetInstructionSize(); cpu->Reg[15] += cpu->GetInstructionSize();
INC_PC(sizeof(ldst_inst)); INC_PC(sizeof(ldst_inst));
@ -4659,10 +4582,6 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
value |= 0xffff0000; value |= 0xffff0000;
} }
cpu->Reg[BITS(inst_cream->inst, 12, 15)] = value; cpu->Reg[BITS(inst_cream->inst, 12, 15)] = value;
if (BITS(inst_cream->inst, 12, 15) == 15) {
INC_PC(sizeof(ldst_inst));
goto DISPATCH;
}
} }
cpu->Reg[15] += cpu->GetInstructionSize(); cpu->Reg[15] += cpu->GetInstructionSize();
INC_PC(sizeof(ldst_inst)); INC_PC(sizeof(ldst_inst));
@ -4683,11 +4602,6 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
cpu->ChangePrivilegeMode(previous_mode); cpu->ChangePrivilegeMode(previous_mode);
cpu->Reg[dest_index] = value; cpu->Reg[dest_index] = value;
if (dest_index == 15) {
INC_PC(sizeof(ldst_inst));
goto DISPATCH;
}
} }
cpu->Reg[15] += cpu->GetInstructionSize(); cpu->Reg[15] += cpu->GetInstructionSize();
INC_PC(sizeof(ldst_inst)); INC_PC(sizeof(ldst_inst));
@ -4744,10 +4658,6 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
UPDATE_NFLAG(RD); UPDATE_NFLAG(RD);
UPDATE_ZFLAG(RD); UPDATE_ZFLAG(RD);
} }
if (inst_cream->Rd == 15) {
INC_PC(sizeof(mla_inst));
goto DISPATCH;
}
} }
cpu->Reg[15] += cpu->GetInstructionSize(); cpu->Reg[15] += cpu->GetInstructionSize();
INC_PC(sizeof(mla_inst)); INC_PC(sizeof(mla_inst));
@ -4896,10 +4806,6 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
UPDATE_NFLAG(RD); UPDATE_NFLAG(RD);
UPDATE_ZFLAG(RD); UPDATE_ZFLAG(RD);
} }
if (inst_cream->Rd == 15) {
INC_PC(sizeof(mul_inst));
goto DISPATCH;
}
} }
cpu->Reg[15] += cpu->GetInstructionSize(); cpu->Reg[15] += cpu->GetInstructionSize();
INC_PC(sizeof(mul_inst)); INC_PC(sizeof(mul_inst));