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ppcopcodes: Cleanup lzu lzux lhau lhaux.

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joevt 2024-12-07 04:24:47 -08:00 committed by dingusdev
parent 78696aa822
commit cea889bde5
1 changed files with 4 additions and 16 deletions
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20
cpu/ppc/ppcopcodes.cpp
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@ -1659,10 +1659,8 @@ void dppc_interpreter::ppc_lzu(uint32_t opcode) {
ea += ppc_result_a;
uint32_t ppc_result_d = mmu_read_vmem<T>(opcode, ea);
ppc_store_iresult_reg(reg_d, ppc_result_d);
if (!(is_601 && (reg_a == 0))) {
uint32_t ppc_result_a = ea;
ppc_store_iresult_reg(reg_a, ppc_result_a);
}
uint32_t ppc_result_a = ea;
ppc_store_iresult_reg(reg_a, ppc_result_a);
} else {
ppc_exception_handler(Except_Type::EXC_PROGRAM, Exc_Cause::ILLEGAL_OP);
}
@ -1697,10 +1695,8 @@ void dppc_interpreter::ppc_lzux(uint32_t opcode) {
uint32_t ea = ppc_result_a + ppc_result_b;
uint32_t ppc_result_d = mmu_read_vmem<T>(opcode, ea);
ppc_store_iresult_reg(reg_d, ppc_result_d);
if (!(is_601 && (reg_a == 0))) {
uint32_t ppc_result_a = ea;
ppc_store_iresult_reg(reg_a, ppc_result_a);
}
ppc_result_a = ea;
ppc_store_iresult_reg(reg_a, ppc_result_a);
} else {
ppc_exception_handler(Except_Type::EXC_PROGRAM, Exc_Cause::ILLEGAL_OP);
}
@ -1733,10 +1729,6 @@ void dppc_interpreter::ppc_lhau(uint32_t opcode) {
ppc_store_iresult_reg(reg_d, int32_t(val));
uint32_t ppc_result_a = ea;
ppc_store_iresult_reg(reg_a, ppc_result_a);
if (!(is_601 && (reg_a == 0))) {
uint32_t ppc_result_a = ea;
ppc_store_iresult_reg(reg_a, ppc_result_a);
}
} else {
ppc_exception_handler(Except_Type::EXC_PROGRAM, Exc_Cause::ILLEGAL_OP);
}
@ -1753,10 +1745,6 @@ void dppc_interpreter::ppc_lhaux(uint32_t opcode) {
ppc_store_iresult_reg(reg_d, int32_t(val));
uint32_t ppc_result_a = ea;
ppc_store_iresult_reg(reg_a, ppc_result_a);
if (!(is_601 && (reg_a == 0))) {
uint32_t ppc_result_a = ea;
ppc_store_iresult_reg(reg_a, ppc_result_a);
}
}
else {
ppc_exception_handler(Except_Type::EXC_PROGRAM, Exc_Cause::ILLEGAL_OP);