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Merge pull request #649 from lioncash/clean

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dyncom: Minor cleanup
This commit is contained in:
bunnei 2015-03-10 12:01:22 -04:00
parent ec5bc54575 e34ba68e1f
commit 6c37a90d3f
1 changed files with 7 additions and 26 deletions
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33
src/core/arm/dyncom/arm_dyncom_interpreter.cpp
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@ -4488,10 +4488,6 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
unsigned int operand2 = ROTATE_RIGHT_32(RM, 8 * inst_cream->rotate) & 0xffff; unsigned int operand2 = ROTATE_RIGHT_32(RM, 8 * inst_cream->rotate) & 0xffff;
RD = RN + operand2; RD = RN + operand2;
if (inst_cream->Rn == 15 || inst_cream->Rm == 15) {
LOG_ERROR(Core_ARM11, "invalid operands for UXTAH");
CITRA_IGNORE_EXIT(-1);
}
} }
cpu->Reg[15] += GET_INST_SIZE(cpu); cpu->Reg[15] += GET_INST_SIZE(cpu);
INC_PC(sizeof(uxtah_inst)); INC_PC(sizeof(uxtah_inst));
@ -4822,10 +4818,7 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
uint64_t rm = RM; uint64_t rm = RM;
uint64_t rs = RS; uint64_t rs = RS;
uint64_t rn = RN; uint64_t rn = RN;
if (inst_cream->Rm == 15 || inst_cream->Rs == 15 || inst_cream->Rn == 15) {
LOG_ERROR(Core_ARM11, "invalid operands for MLA");
CITRA_IGNORE_EXIT(-1);
}
RD = static_cast<uint32_t>((rm * rs + rn) & 0xffffffff); RD = static_cast<uint32_t>((rm * rs + rn) & 0xffffffff);
if (inst_cream->S) { if (inst_cream->S) {
UPDATE_NFLAG(RD); UPDATE_NFLAG(RD);
@ -5104,10 +5097,10 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
PLD_INST: PLD_INST:
{ {
// Instruction not implemented // Not implemented. PLD is a hint instruction, so it's optional.
//LOG_CRITICAL(Core_ARM11, "unimplemented instruction");
cpu->Reg[15] += GET_INST_SIZE(cpu); cpu->Reg[15] += GET_INST_SIZE(cpu);
INC_PC(sizeof(stc_inst)); INC_PC(sizeof(pld_inst));
FETCH_INST; FETCH_INST;
GOTO_NEXT_INST; GOTO_NEXT_INST;
} }
@ -6033,15 +6026,12 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) { if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) {
sxtb_inst* inst_cream = (sxtb_inst*)inst_base->component; sxtb_inst* inst_cream = (sxtb_inst*)inst_base->component;
if (inst_cream->Rm == 15) {
LOG_ERROR(Core_ARM11, "invalid operand for SXTB");
CITRA_IGNORE_EXIT(-1);
}
unsigned int operand2 = ROTATE_RIGHT_32(RM, 8 * inst_cream->rotate); unsigned int operand2 = ROTATE_RIGHT_32(RM, 8 * inst_cream->rotate);
if (BIT(operand2, 7)) { if (BIT(operand2, 7)) {
operand2 |= 0xffffff00; operand2 |= 0xffffff00;
} else } else {
operand2 &= 0xff; operand2 &= 0xff;
}
RD = operand2; RD = operand2;
} }
cpu->Reg[15] += GET_INST_SIZE(cpu); cpu->Reg[15] += GET_INST_SIZE(cpu);
@ -6299,8 +6289,7 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
swp_inst* inst_cream = (swp_inst*)inst_base->component; swp_inst* inst_cream = (swp_inst*)inst_base->component;
addr = RN; addr = RN;
unsigned int value; unsigned int value = Memory::Read32(addr);
value = Memory::Read32(addr);
Memory::Write32(addr, RM); Memory::Write32(addr, RM);
RD = value; RD = value;
@ -6329,10 +6318,6 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) { if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) {
sxtab_inst* inst_cream = (sxtab_inst*)inst_base->component; sxtab_inst* inst_cream = (sxtab_inst*)inst_base->component;
// R15 should be check
if(inst_cream->Rn == 15 || inst_cream->Rm == 15 || inst_cream->Rd ==15){
CITRA_IGNORE_EXIT(-1);
}
unsigned int operand2 = ROTATE_RIGHT_32(RM, 8 * inst_cream->rotate) & 0xff; unsigned int operand2 = ROTATE_RIGHT_32(RM, 8 * inst_cream->rotate) & 0xff;
// Sign extend for byte // Sign extend for byte
@ -6383,10 +6368,6 @@ unsigned InterpreterMainLoop(ARMul_State* state) {
if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) { if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) {
sxtah_inst* inst_cream = (sxtah_inst*)inst_base->component; sxtah_inst* inst_cream = (sxtah_inst*)inst_base->component;
// R15 should be check
if(inst_cream->Rn == 15 || inst_cream->Rm == 15 || inst_cream->Rd ==15) {
CITRA_IGNORE_EXIT(-1);
}
unsigned int operand2 = ROTATE_RIGHT_32(RM, 8 * inst_cream->rotate) & 0xffff; unsigned int operand2 = ROTATE_RIGHT_32(RM, 8 * inst_cream->rotate) & 0xffff;
// Sign extend for half // Sign extend for half
operand2 = (0x8000 & operand2) ? (0xFFFF0000 | operand2) : operand2; operand2 = (0x8000 & operand2) ? (0xFFFF0000 | operand2) : operand2;