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cpu: Add ppc_grab_regssash macro.

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This macro is like ppc_grab_regssa but includes rot_sh = (ppc_cur_instruction >> 11) & 0x1F;
This commit is contained in:
joevt
2024-04-08 21:26:14 -07:00
committed by dingusdev
parent 4f45d7de35
commit cb05bd05eb
3 changed files with 19 additions and 22 deletions
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cpu/ppc/poweropcodes.cpp
+5 -10
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@@ -372,8 +372,7 @@ template void dppc_interpreter::power_sleq<RC1>();
template <field_rc rec>
void dppc_interpreter::power_sliq() {
ppc_grab_regssa(ppc_cur_instruction);
unsigned rot_sh = (ppc_cur_instruction >> 11) & 0x1F;
ppc_grab_regssash(ppc_cur_instruction);
ppc_result_a = ppc_result_d << rot_sh;
ppc_state.spr[SPR::MQ] = ((ppc_result_d << rot_sh) | (ppc_result_d >> (32 - rot_sh)));
@@ -389,8 +388,7 @@ template void dppc_interpreter::power_sliq<RC1>();
template <field_rc rec>
void dppc_interpreter::power_slliq() {
ppc_grab_regssa(ppc_cur_instruction);
unsigned rot_sh = (ppc_cur_instruction >> 11) & 0x1F;
ppc_grab_regssash(ppc_cur_instruction);
uint32_t r = ((ppc_result_d << rot_sh) | (ppc_result_d >> (32 - rot_sh)));
uint32_t mask = power_rot_mask(0, 31 - rot_sh);
@@ -451,8 +449,7 @@ template void dppc_interpreter::power_slq<RC1>();
template <field_rc rec>
void dppc_interpreter::power_sraiq() {
ppc_grab_regssa(ppc_cur_instruction);
unsigned rot_sh = (ppc_cur_instruction >> 11) & 0x1F;
ppc_grab_regssash(ppc_cur_instruction);
uint32_t mask = (1 << rot_sh) - 1;
ppc_result_a = (int32_t)ppc_result_d >> rot_sh;
ppc_state.spr[SPR::MQ] = (ppc_result_d >> rot_sh) | (ppc_result_d << (32 - rot_sh));
@@ -557,8 +554,7 @@ template void dppc_interpreter::power_sreq<RC1>();
template <field_rc rec>
void dppc_interpreter::power_sriq() {
ppc_grab_regssa(ppc_cur_instruction);
unsigned rot_sh = (ppc_cur_instruction >> 11) & 0x1F;
ppc_grab_regssash(ppc_cur_instruction);
ppc_result_a = ppc_result_d >> rot_sh;
ppc_state.spr[SPR::MQ] = (ppc_result_d >> rot_sh) | (ppc_result_d << (32 - rot_sh));
@@ -573,8 +569,7 @@ template void dppc_interpreter::power_sriq<RC1>();
template <field_rc rec>
void dppc_interpreter::power_srliq() {
ppc_grab_regssa(ppc_cur_instruction);
unsigned rot_sh = (ppc_cur_instruction >> 11) & 0x1F;
ppc_grab_regssash(ppc_cur_instruction);
uint32_t r = (ppc_result_d >> rot_sh) | (ppc_result_d << (32 - rot_sh));
unsigned mask = power_rot_mask(rot_sh, 31);