Exverge/suyu
3
0
Fork 0
forked from suyu/suyu
Code Pull requests Activity

Merge pull request #332 from lioncash/sel

Browse source 
dyncom: Move SEL over
This commit is contained in:
bunnei 2014-12-21 21:49:45 -05:00
commit ae76469373
1 changed files with 58 additions and 1 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

59
src/core/arm/dyncom/arm_dyncom_interpreter.cpp
View file

@ -2525,7 +2525,24 @@ ARM_INST_PTR INTERPRETER_TRANSLATE(sbc)(unsigned int inst, int index)
}
return inst_base;
}
ARM_INST_PTR INTERPRETER_TRANSLATE(sel)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("SEL"); }
ARM_INST_PTR INTERPRETER_TRANSLATE(sel)(unsigned int inst, int index)
{
arm_inst* const inst_base = (arm_inst*)AllocBuffer(sizeof(arm_inst) + sizeof(generic_arm_inst));
generic_arm_inst* const inst_cream = (generic_arm_inst*)inst_base->component;
inst_base->cond = BITS(inst, 28, 31);
inst_base->idx = index;
inst_base->br = NON_BRANCH;
inst_base->load_r15 = 0;
inst_cream->Rm = BITS(inst, 0, 3);
inst_cream->Rn = BITS(inst, 16, 19);
inst_cream->Rd = BITS(inst, 12, 15);
inst_cream->op1 = BITS(inst, 20, 22);
inst_cream->op2 = BITS(inst, 5, 7);
return inst_base;
}
ARM_INST_PTR INTERPRETER_TRANSLATE(setend)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("SETEND"); }
ARM_INST_PTR INTERPRETER_TRANSLATE(shadd16)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("SHADD16"); }
ARM_INST_PTR INTERPRETER_TRANSLATE(shadd8)(unsigned int inst, int index) { UNIMPLEMENTED_INSTRUCTION("SHADD8"); }
@ -5764,7 +5781,47 @@ unsigned InterpreterMainLoop(ARMul_State* state)
FETCH_INST;
GOTO_NEXT_INST;
}
SEL_INST:
{
INC_ICOUNTER;
if (inst_base->cond == 0xE || CondPassed(cpu, inst_base->cond)) {
generic_arm_inst* const inst_cream = (generic_arm_inst*)inst_base->component;
const u32 to = RM;
const u32 from = RN;
const u32 cpsr = cpu->Cpsr;
u32 result;
if (cpsr & (1 << 16))
result = from & 0xff;
else
result = to & 0xff;
if (cpsr & (1 << 17))
result |= from & 0x0000ff00;
else
result |= to & 0x0000ff00;
if (cpsr & (1 << 18))
result |= from & 0x00ff0000;
else
result |= to & 0x00ff0000;
if (cpsr & (1 << 19))
result |= from & 0xff000000;
else
result |= to & 0xff000000;
RD = result;
}
cpu->Reg[15] += GET_INST_SIZE(cpu);
INC_PC(sizeof(generic_arm_inst));
FETCH_INST;
GOTO_NEXT_INST;
}
SETEND_INST:
SHADD16_INST:
SHADD8_INST: