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ppcfpopcodes: Fix lfs* opcodes.

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joevt 2023-11-25 13:34:50 -08:00 committed by Maxim Poliakovski
parent 0a8c1df968
commit bae488fd97
1 changed files with 8 additions and 9 deletions
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17
cpu/ppc/ppcfpopcodes.cpp
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@ -30,7 +30,6 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
#include <cfloat>
// Used for FP calcs
uint64_t ppc_result64_b;
uint64_t ppc_result64_d;
double ppc_dblresult64_d;
@ -699,8 +698,8 @@ void dppc_interpreter::ppc_lfs() {
ppc_grab_regsfpdia();
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address += (reg_a) ? val_reg_a : 0;
ppc_result64_d = mmu_read_vmem<uint32_t>(ppc_effective_address);
ppc_store_sfpresult_int(reg_d);
float result = (float)mmu_read_vmem<uint32_t>(ppc_effective_address);
ppc_state.fpr[reg_d].dbl64_r = (double)result;
}
@ -709,8 +708,8 @@ void dppc_interpreter::ppc_lfsu() {
if (reg_a) {
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address += (reg_a) ? val_reg_a : 0;
ppc_result64_d = mmu_read_vmem<uint32_t>(ppc_effective_address);
ppc_store_sfpresult_int(reg_d);
float result = (float)mmu_read_vmem<uint32_t>(ppc_effective_address);
ppc_state.fpr[reg_d].dbl64_r = (double)result;
ppc_state.gpr[reg_a] = ppc_effective_address;
} else {
ppc_exception_handler(Except_Type::EXC_PROGRAM, Exc_Cause::ILLEGAL_OP);
@ -720,16 +719,16 @@ void dppc_interpreter::ppc_lfsu() {
void dppc_interpreter::ppc_lfsx() {
ppc_grab_regsfpdiab();
ppc_effective_address = (reg_a) ? val_reg_a + val_reg_b : val_reg_b;
ppc_result64_d = mmu_read_vmem<uint32_t>(ppc_effective_address);
ppc_store_sfpresult_int(reg_d);
float result = (float)mmu_read_vmem<uint32_t>(ppc_effective_address);
ppc_state.fpr[reg_d].dbl64_r = (double)result;
}
void dppc_interpreter::ppc_lfsux() {
ppc_grab_regsfpdiab();
if (reg_a) {
ppc_effective_address = val_reg_a + val_reg_b;
ppc_result64_d = mmu_read_vmem<uint32_t>(ppc_effective_address);
ppc_store_sfpresult_int(reg_d);
float result = (float)mmu_read_vmem<uint32_t>(ppc_effective_address);
ppc_state.fpr[reg_d].dbl64_r = (double)result;
ppc_state.gpr[reg_a] = ppc_effective_address;
} else {
ppc_exception_handler(Except_Type::EXC_PROGRAM, Exc_Cause::ILLEGAL_OP);