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Slightly faster typecasting

This commit is contained in:
dingusdev 2024-01-31 08:06:33 -07:00
parent ad58d102df
commit 52dfc0cf93
2 changed files with 25 additions and 25 deletions
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16
cpu/ppc/ppcfpopcodes.cpp
View File

@ -695,7 +695,7 @@ void dppc_interpreter::ppc_fctiwz() {
void dppc_interpreter::ppc_lfs() {
ppc_grab_regsfpdia();
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
ppc_effective_address += (reg_a) ? val_reg_a : 0;
float result = (float)mmu_read_vmem<uint32_t>(ppc_effective_address);
ppc_state.fpr[reg_d].dbl64_r = (double)result;
@ -705,7 +705,7 @@ void dppc_interpreter::ppc_lfs() {
void dppc_interpreter::ppc_lfsu() {
ppc_grab_regsfpdia();
if (reg_a) {
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
ppc_effective_address += (reg_a) ? val_reg_a : 0;
float result = (float)mmu_read_vmem<uint32_t>(ppc_effective_address);
ppc_state.fpr[reg_d].dbl64_r = (double)result;
@ -736,7 +736,7 @@ void dppc_interpreter::ppc_lfsux() {
void dppc_interpreter::ppc_lfd() {
ppc_grab_regsfpdia();
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
ppc_effective_address += (reg_a) ? val_reg_a : 0;
ppc_result64_d = mmu_read_vmem<uint64_t>(ppc_effective_address);
ppc_store_dfpresult_int(reg_d);
@ -745,7 +745,7 @@ void dppc_interpreter::ppc_lfd() {
void dppc_interpreter::ppc_lfdu() {
ppc_grab_regsfpdia();
if (reg_a != 0) {
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
ppc_effective_address += val_reg_a;
ppc_result64_d = mmu_read_vmem<uint64_t>(ppc_effective_address);
ppc_store_dfpresult_int(reg_d);
@ -776,7 +776,7 @@ void dppc_interpreter::ppc_lfdux() {
void dppc_interpreter::ppc_stfs() {
ppc_grab_regsfpsia();
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
ppc_effective_address += (reg_a) ? val_reg_a : 0;
float result = ppc_state.fpr[reg_s].dbl64_r;
mmu_write_vmem<uint32_t>(ppc_effective_address, uint32_t(result));
@ -785,7 +785,7 @@ void dppc_interpreter::ppc_stfs() {
void dppc_interpreter::ppc_stfsu() {
ppc_grab_regsfpsia();
if (reg_a != 0) {
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
ppc_effective_address += val_reg_a;
float result = ppc_state.fpr[reg_s].dbl64_r;
mmu_write_vmem<uint32_t>(ppc_effective_address, uint32_t(result));
@ -816,7 +816,7 @@ void dppc_interpreter::ppc_stfsux() {
void dppc_interpreter::ppc_stfd() {
ppc_grab_regsfpsia();
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
ppc_effective_address += (reg_a) ? val_reg_a : 0;
mmu_write_vmem<uint64_t>(ppc_effective_address, ppc_state.fpr[reg_s].int64_r);
}
@ -824,7 +824,7 @@ void dppc_interpreter::ppc_stfd() {
void dppc_interpreter::ppc_stfdu() {
ppc_grab_regsfpsia();
if (reg_a != 0) {
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
ppc_effective_address += val_reg_a;
mmu_write_vmem<uint64_t>(ppc_effective_address, ppc_state.fpr[reg_s].int64_r);
ppc_state.gpr[reg_a] = ppc_effective_address;

34
cpu/ppc/ppcopcodes.cpp
View File

@ -60,7 +60,7 @@ void ppc_store_result_rega() {
void ppc_grab_regsdasimm() {
reg_d = (ppc_cur_instruction >> 21) & 31;
reg_a = (ppc_cur_instruction >> 16) & 31;
simm = int32_t(int16_t(ppc_cur_instruction & 0xFFFFUL));
simm = int32_t(int16_t(ppc_cur_instruction));
ppc_result_a = ppc_state.gpr[reg_a];
}
@ -73,7 +73,7 @@ inline void ppc_grab_regsdauimm() {
inline void ppc_grab_regsasimm() {
reg_a = (ppc_cur_instruction >> 16) & 31;
simm = int32_t(int16_t(ppc_cur_instruction & 0xFFFFUL));
simm = int32_t(int16_t(ppc_cur_instruction));
ppc_result_a = ppc_state.gpr[reg_a];
}
@ -1577,7 +1577,7 @@ void dppc_interpreter::ppc_stb() {
num_int_stores++;
#endif
ppc_grab_regssa();
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
ppc_effective_address += reg_a ? ppc_result_a : 0;
mmu_write_vmem<uint8_t>(ppc_effective_address, ppc_result_d);
//mem_write_byte(ppc_effective_address, ppc_result_d);
@ -1599,7 +1599,7 @@ void dppc_interpreter::ppc_stbu() {
#endif
ppc_grab_regssa();
if (reg_a != 0) {
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
ppc_effective_address += ppc_result_a;
mmu_write_vmem<uint8_t>(ppc_effective_address, ppc_result_d);
//mem_write_byte(ppc_effective_address, ppc_result_d);
@ -1629,7 +1629,7 @@ void dppc_interpreter::ppc_sth() {
num_int_stores++;
#endif
ppc_grab_regssa();
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
ppc_effective_address += (reg_a > 0) ? ppc_result_a : 0;
mmu_write_vmem<uint16_t>(ppc_effective_address, ppc_result_d);
//mem_write_word(ppc_effective_address, ppc_result_d);
@ -1641,7 +1641,7 @@ void dppc_interpreter::ppc_sthu() {
#endif
ppc_grab_regssa();
if (reg_a != 0) {
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
ppc_effective_address += ppc_result_a;
mmu_write_vmem<uint16_t>(ppc_effective_address, ppc_result_d);
//mem_write_word(ppc_effective_address, ppc_result_d);
@ -1692,7 +1692,7 @@ void dppc_interpreter::ppc_stw() {
num_int_stores++;
#endif
ppc_grab_regssa();
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
ppc_effective_address += reg_a ? ppc_result_a : 0;
mmu_write_vmem<uint32_t>(ppc_effective_address, ppc_result_d);
//mem_write_dword(ppc_effective_address, ppc_result_d);
@ -1733,7 +1733,7 @@ void dppc_interpreter::ppc_stwu() {
#endif
ppc_grab_regssa();
if (reg_a != 0) {
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
ppc_effective_address += ppc_result_a;
mmu_write_vmem<uint32_t>(ppc_effective_address, ppc_result_d);
//mem_write_dword(ppc_effective_address, ppc_result_d);
@ -1774,7 +1774,7 @@ void dppc_interpreter::ppc_stmw() {
num_int_stores++;
#endif
ppc_grab_regssa();
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
ppc_effective_address += (reg_a > 0) ? ppc_result_a : 0;
/* what should we do if EA is unaligned? */
@ -1794,7 +1794,7 @@ void dppc_interpreter::ppc_lbz() {
num_int_loads++;
#endif
ppc_grab_regsda();
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
ppc_effective_address += (reg_a > 0) ? ppc_result_a : 0;
//ppc_result_d = mem_grab_byte(ppc_effective_address);
ppc_result_d = mmu_read_vmem<uint8_t>(ppc_effective_address);
@ -1806,7 +1806,7 @@ void dppc_interpreter::ppc_lbzu() {
num_int_loads++;
#endif
ppc_grab_regsda();
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
if ((reg_a != reg_d) || reg_a != 0) {
ppc_effective_address += ppc_result_a;
//ppc_result_d = mem_grab_byte(ppc_effective_address);
@ -1853,7 +1853,7 @@ void dppc_interpreter::ppc_lhz() {
num_int_loads++;
#endif
ppc_grab_regsda();
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
ppc_effective_address += reg_a ? ppc_result_a : 0;
//ppc_result_d = mem_grab_word(ppc_effective_address);
ppc_result_d = mmu_read_vmem<uint16_t>(ppc_effective_address);
@ -1866,7 +1866,7 @@ void dppc_interpreter::ppc_lhzu() {
#endif
ppc_grab_regsda();
if ((reg_a != reg_d) || reg_a != 0) {
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
ppc_effective_address += ppc_result_a;
//ppc_result_d = mem_grab_word(ppc_effective_address);
ppc_result_d = mmu_read_vmem<uint16_t>(ppc_effective_address);
@ -1911,7 +1911,7 @@ void dppc_interpreter::ppc_lha() {
num_int_loads++;
#endif
ppc_grab_regsda();
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
ppc_effective_address += (reg_a > 0) ? ppc_result_a : 0;
//uint16_t val = mem_grab_word(ppc_effective_address);
uint16_t val = mmu_read_vmem<uint16_t>(ppc_effective_address);
@ -1925,7 +1925,7 @@ void dppc_interpreter::ppc_lhau() {
#endif
ppc_grab_regsda();
if ((reg_a != reg_d) || reg_a != 0) {
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
ppc_effective_address += ppc_result_a;
//uint16_t val = mem_grab_word(ppc_effective_address);
uint16_t val = mmu_read_vmem<uint16_t>(ppc_effective_address);
@ -1985,7 +1985,7 @@ void dppc_interpreter::ppc_lwz() {
num_int_loads++;
#endif
ppc_grab_regsda();
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
ppc_effective_address += (reg_a > 0) ? ppc_result_a : 0;
//ppc_result_d = mem_grab_dword(ppc_effective_address);
ppc_result_d = mmu_read_vmem<uint32_t>(ppc_effective_address);
@ -2008,7 +2008,7 @@ void dppc_interpreter::ppc_lwzu() {
num_int_loads++;
#endif
ppc_grab_regsda();
ppc_effective_address = (int32_t)((int16_t)(ppc_cur_instruction & 0xFFFF));
ppc_effective_address = int32_t(int16_t(ppc_cur_instruction));
if ((reg_a != reg_d) || reg_a != 0) {
ppc_effective_address += ppc_result_a;
//ppc_result_d = mem_grab_dword(ppc_effective_address);