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Merge pull request #1007 from lioncash/pc

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dyncom: Handle left-operand PC correctly for data-processing ops
This commit is contained in:
bunnei 2015-07-28 22:50:27 -04:00
commit 7c7eeb9d34
1 changed files with 33 additions and 7 deletions
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40
src/core/arm/dyncom/arm_dyncom_interpreter.cpp
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@ -3924,9 +3924,13 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) { if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) {
adc_inst* const inst_cream = (adc_inst*)inst_base->component; adc_inst* const inst_cream = (adc_inst*)inst_base->component;
u32 rn_val = RN;
if (inst_cream->Rn == 15)
rn_val += 2 * cpu->GetInstructionSize();
bool carry; bool carry;
bool overflow; bool overflow;
RD = AddWithCarry(RN, SHIFTER_OPERAND, cpu->CFlag, &carry, &overflow); RD = AddWithCarry(rn_val, SHIFTER_OPERAND, cpu->CFlag, &carry, &overflow);
if (inst_cream->S && (inst_cream->Rd == 15)) { if (inst_cream->S && (inst_cream->Rd == 15)) {
if (CurrentModeHasSPSR) { if (CurrentModeHasSPSR) {
@ -3987,11 +3991,17 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
} }
AND_INST: AND_INST:
{ {
and_inst *inst_cream = (and_inst *)inst_base->component; if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) {
if ((inst_base->cond == 0xe) || CondPassed(cpu, inst_base->cond)) { and_inst* const inst_cream = (and_inst*)inst_base->component;
u32 lop = RN; u32 lop = RN;
u32 rop = SHIFTER_OPERAND; u32 rop = SHIFTER_OPERAND;
if (inst_cream->Rn == 15)
lop += 2 * cpu->GetInstructionSize();
RD = lop & rop; RD = lop & rop;
if (inst_cream->S && (inst_cream->Rd == 15)) { if (inst_cream->S && (inst_cream->Rd == 15)) {
if (CurrentModeHasSPSR) { if (CurrentModeHasSPSR) {
cpu->Cpsr = cpu->Spsr_copy; cpu->Cpsr = cpu->Spsr_copy;
@ -4164,9 +4174,13 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) { if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) {
cmn_inst* const inst_cream = (cmn_inst*)inst_base->component; cmn_inst* const inst_cream = (cmn_inst*)inst_base->component;
u32 rn_val = RN;
if (inst_cream->Rn == 15)
rn_val += 2 * cpu->GetInstructionSize();
bool carry; bool carry;
bool overflow; bool overflow;
u32 result = AddWithCarry(RN, SHIFTER_OPERAND, 0, &carry, &overflow); u32 result = AddWithCarry(rn_val, SHIFTER_OPERAND, 0, &carry, &overflow);
UPDATE_NFLAG(result); UPDATE_NFLAG(result);
UPDATE_ZFLAG(result); UPDATE_ZFLAG(result);
@ -4905,6 +4919,10 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
u32 lop = RN; u32 lop = RN;
u32 rop = SHIFTER_OPERAND; u32 rop = SHIFTER_OPERAND;
if (inst_cream->Rn == 15)
lop += 2 * cpu->GetInstructionSize();
RD = lop | rop; RD = lop | rop;
if (inst_cream->S && (inst_cream->Rd == 15)) { if (inst_cream->S && (inst_cream->Rd == 15)) {
@ -5195,9 +5213,13 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) { if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) {
rsc_inst* const inst_cream = (rsc_inst*)inst_base->component; rsc_inst* const inst_cream = (rsc_inst*)inst_base->component;
u32 rn_val = RN;
if (inst_cream->Rn == 15)
rn_val += 2 * cpu->GetInstructionSize();
bool carry; bool carry;
bool overflow; bool overflow;
RD = AddWithCarry(~RN, SHIFTER_OPERAND, cpu->CFlag, &carry, &overflow); RD = AddWithCarry(~rn_val, SHIFTER_OPERAND, cpu->CFlag, &carry, &overflow);
if (inst_cream->S && (inst_cream->Rd == 15)) { if (inst_cream->S && (inst_cream->Rd == 15)) {
if (CurrentModeHasSPSR) { if (CurrentModeHasSPSR) {
@ -5335,9 +5357,13 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) { if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) {
sbc_inst* const inst_cream = (sbc_inst*)inst_base->component; sbc_inst* const inst_cream = (sbc_inst*)inst_base->component;
u32 rn_val = RN;
if (inst_cream->Rn == 15)
rn_val += 2 * cpu->GetInstructionSize();
bool carry; bool carry;
bool overflow; bool overflow;
RD = AddWithCarry(RN, ~SHIFTER_OPERAND, cpu->CFlag, &carry, &overflow); RD = AddWithCarry(rn_val, ~SHIFTER_OPERAND, cpu->CFlag, &carry, &overflow);
if (inst_cream->S && (inst_cream->Rd == 15)) { if (inst_cream->S && (inst_cream->Rd == 15)) {
if (CurrentModeHasSPSR) { if (CurrentModeHasSPSR) {
@ -6171,7 +6197,7 @@ unsigned InterpreterMainLoop(ARMul_State* cpu) {
u32 rn_val = RN; u32 rn_val = RN;
if (inst_cream->Rn == 15) if (inst_cream->Rn == 15)
rn_val += 8; rn_val += 2 * cpu->GetInstructionSize();
bool carry; bool carry;
bool overflow; bool overflow;