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Merge pull request #3658 from Tilka/helpers 

Interpreter: simplify some helpers
This commit is contained in:
Matthew Parlane 2016-05-03 22:44:27 +12:00
parent 1634948b6e 3b2e170f0b
commit ea82fcc24f
3 changed files with 13 additions and 19 deletions
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8
Source/Core/Core/PowerPC/Interpreter/Interpreter_Integer.cpp
View File

@ -11,11 +11,7 @@
void Interpreter::Helper_UpdateCR0(u32 value)
{
s64 sign_extended = (s64)(s32)value;
u64 cr_val = (u64)sign_extended;
cr_val = (cr_val & ~(1ull << 61)) | ((u64)GetXER_SO() << 61);
PowerPC::ppcState.cr_val[0] = cr_val;
Helper_UpdateCRx(0, value);
}
void Interpreter::Helper_UpdateCRx(int idx, u32 value)
@ -37,7 +33,7 @@ u32 Interpreter::Helper_Mask(int mb, int me)
//first make 001111111111111 part
u32 begin = 0xFFFFFFFF >> mb;
//then make 000000000001111 part, which is used to flip the bits of the first one
u32 end = me < 31 ? (0xFFFFFFFF >> (me + 1)) : 0;
u32 end = 0x7FFFFFFF >> me;
//do the bitflip
u32 mask = begin ^ end;
//and invert if backwards

10
Source/Core/Core/PowerPC/Interpreter/Interpreter_Tables.cpp
View File

@ -19,11 +19,11 @@ static GekkoOPInfo unknownopinfo = { "unknown_instruction", OPTYPE_UNKNOWN, FL_E
static GekkoOPTemplate primarytable[] =
{
{4, Interpreter::RunTable4, {"RunTable4", OPTYPE_SUBTABLE | (4<<24), 0, 0, 0, 0, 0}},
{19, Interpreter::RunTable19, {"RunTable19", OPTYPE_SUBTABLE | (19<<24), 0, 0, 0, 0, 0}},
{31, Interpreter::RunTable31, {"RunTable31", OPTYPE_SUBTABLE | (31<<24), 0, 0, 0, 0, 0}},
{59, Interpreter::RunTable59, {"RunTable59", OPTYPE_SUBTABLE | (59<<24), 0, 0, 0, 0, 0}},
{63, Interpreter::RunTable63, {"RunTable63", OPTYPE_SUBTABLE | (63<<24), 0, 0, 0, 0, 0}},
{4, Interpreter::RunTable4, {"RunTable4", OPTYPE_SUBTABLE, 0, 0, 0, 0, 0}},
{19, Interpreter::RunTable19, {"RunTable19", OPTYPE_SUBTABLE, 0, 0, 0, 0, 0}},
{31, Interpreter::RunTable31, {"RunTable31", OPTYPE_SUBTABLE, 0, 0, 0, 0, 0}},
{59, Interpreter::RunTable59, {"RunTable59", OPTYPE_SUBTABLE, 0, 0, 0, 0, 0}},
{63, Interpreter::RunTable63, {"RunTable63", OPTYPE_SUBTABLE, 0, 0, 0, 0, 0}},
{16, Interpreter::bcx, {"bcx", OPTYPE_SYSTEM, FL_ENDBLOCK, 1, 0, 0, 0}},
{18, Interpreter::bx, {"bx", OPTYPE_SYSTEM, FL_ENDBLOCK, 1, 0, 0, 0}},

14
Source/Core/Core/PowerPC/PPCTables.cpp
View File

@ -37,10 +37,9 @@ const u64 m_crTable[16] =
GekkoOPInfo *GetOpInfo(UGeckoInstruction _inst)
{
GekkoOPInfo *info = m_infoTable[_inst.OPCD];
if ((info->type & 0xFFFFFF) == OPTYPE_SUBTABLE)
if (info->type == OPTYPE_SUBTABLE)
{
int table = info->type>>24;
switch (table)
switch (_inst.OPCD)
{
case 4: return m_infoTable4[_inst.SUBOP10];
case 19: return m_infoTable19[_inst.SUBOP10];
@ -54,7 +53,7 @@ GekkoOPInfo *GetOpInfo(UGeckoInstruction _inst)
}
else
{
if ((info->type & 0xFFFFFF) == OPTYPE_INVALID)
if (info->type == OPTYPE_INVALID)
{
_assert_msg_(POWERPC,0,"GetOpInfo - invalid op %08x @ %08x", _inst.hex, PC);
return nullptr;
@ -66,10 +65,9 @@ GekkoOPInfo *GetOpInfo(UGeckoInstruction _inst)
Interpreter::Instruction GetInterpreterOp(UGeckoInstruction _inst)
{
const GekkoOPInfo *info = m_infoTable[_inst.OPCD];
if ((info->type & 0xFFFFFF) == OPTYPE_SUBTABLE)
if (info->type == OPTYPE_SUBTABLE)
{
int table = info->type>>24;
switch (table)
switch (_inst.OPCD)
{
case 4: return Interpreter::m_opTable4[_inst.SUBOP10];
case 19: return Interpreter::m_opTable19[_inst.SUBOP10];
@ -83,7 +81,7 @@ Interpreter::Instruction GetInterpreterOp(UGeckoInstruction _inst)
}
else
{
if ((info->type & 0xFFFFFF) == OPTYPE_INVALID)
if (info->type == OPTYPE_INVALID)
{
_assert_msg_(POWERPC,0,"GetInterpreterOp - invalid op %08x @ %08x", _inst.hex, PC);
return nullptr;