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LLE JIT:

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* Optimised out the R11 ImmPtr instructions
* Made the whitespacing a little more consistent
* Disabled block linking while it is being reworked

git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6688 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
skidau
2010-12-30 00:10:18 +00:00
parent 98752f2a1e
commit 469e81e2fd
9 changed files with 362 additions and 307 deletions
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58
Source/Core/DSPCore/Src/DSPEmitter.cpp
View File

@ -33,6 +33,7 @@ using namespace Gen;
const u8 *stubEntryPoint;
u16 blocksCompiled;
u16 unresolvedCalls;
u16 unresolvedCallsThisBlock;
DSPEmitter::DSPEmitter() : storeIndex(-1), storeIndex2(-1)
{
@ -105,7 +106,7 @@ void DSPEmitter::checkExceptions(u32 retval)
// ABI_RestoreStack(0);
ABI_PopAllCalleeSavedRegsAndAdjustStack();
MOV(32,R(EAX),Imm32(retval));
MOV(32, R(EAX), Imm32(retval));
RET();
SetJumpTarget(skipCheck);
@ -127,7 +128,9 @@ void DSPEmitter::Default(UDSPInstruction inst)
}
// Fall back to interpreter
SaveDSPRegs();
ABI_CallFunctionC16((void*)opTable[inst]->intFunc, inst);
LoadDSPRegs();
}
void DSPEmitter::EmitInstruction(UDSPInstruction inst)
@ -140,8 +143,10 @@ void DSPEmitter::EmitInstruction(UDSPInstruction inst)
if ((inst >> 12) == 0x3) {
if (! extOpTable[inst & 0x7F]->jitFunc) {
// Fall back to interpreter
SaveDSPRegs();
ABI_CallFunctionC16((void*)extOpTable[inst & 0x7F]->intFunc, inst);
INFO_LOG(DSPLLE,"Instruction not JITed(ext part): %04x\n",inst);
LoadDSPRegs();
INFO_LOG(DSPLLE, "Instruction not JITed(ext part): %04x\n", inst);
ext_is_jit = false;
} else {
(this->*extOpTable[inst & 0x7F]->jitFunc)(inst);
@ -150,8 +155,10 @@ void DSPEmitter::EmitInstruction(UDSPInstruction inst)
} else {
if (!extOpTable[inst & 0xFF]->jitFunc) {
// Fall back to interpreter
SaveDSPRegs();
ABI_CallFunctionC16((void*)extOpTable[inst & 0xFF]->intFunc, inst);
INFO_LOG(DSPLLE,"Instruction not JITed(ext part): %04x\n",inst);
LoadDSPRegs();
INFO_LOG(DSPLLE, "Instruction not JITed(ext part): %04x\n", inst);
ext_is_jit = false;
} else {
(this->*extOpTable[inst & 0xFF]->jitFunc)(inst);
@ -163,7 +170,7 @@ void DSPEmitter::EmitInstruction(UDSPInstruction inst)
// Main instruction
if (!opTable[inst]->jitFunc) {
Default(inst);
INFO_LOG(DSPLLE,"Instruction not JITed(main part): %04x\n",inst);
INFO_LOG(DSPLLE, "Instruction not JITed(main part): %04x\n", inst);
}
else
{
@ -175,7 +182,9 @@ void DSPEmitter::EmitInstruction(UDSPInstruction inst)
if (!ext_is_jit) {
//need to call the online cleanup function because
//the writeBackLog gets populated at runtime
SaveDSPRegs();
ABI_CallFunction((void*)::applyWriteBackLog);
LoadDSPRegs();
} else {
popExtValueToReg();
}
@ -189,8 +198,7 @@ void DSPEmitter::unknown_instruction(UDSPInstruction inst)
void DSPEmitter::ClearCallFlag()
{
DSPAnalyzer::code_flags[startAddr] &= ~DSPAnalyzer::CODE_CALL;
--unresolvedCalls;
--unresolvedCallsThisBlock;
}
void DSPEmitter::Compile(int start_addr)
@ -198,11 +206,12 @@ void DSPEmitter::Compile(int start_addr)
// Remember the current block address for later
startAddr = start_addr;
blocksCompiled++;
unresolvedCallsThisBlock = 0;
// If the number of unresolved calls exceeds 50, there is a critical
// If the number of unresolved calls exceeds 8, there is a critical
// block that probably cannot be resolved. If this occurs, quit linking
// blocks. Currently occurs in the zelda ucode.
if (unresolvedCalls <= 50)
if (unresolvedCalls <= 8)
{
// After every 10 blocks, clear out the blocks that have unresolved
// calls, and reattempt relinking.
@ -219,6 +228,7 @@ void DSPEmitter::Compile(int start_addr)
}
// Reset and reattempt relinking
blocksCompiled = 0;
unresolvedCalls = 0;
}
}
@ -269,6 +279,8 @@ void DSPEmitter::Compile(int start_addr)
bool fixup_pc = false;
blockSize[start_addr] = 0;
LoadDSPRegs();
while (compilePC < start_addr + MAX_BLOCK_SIZE)
{
checkExceptions(blockSize[start_addr]);
@ -277,10 +289,11 @@ void DSPEmitter::Compile(int start_addr)
const DSPOPCTemplate *opcode = GetOpTemplate(inst);
// Scan for CALL's to delay block link. TODO: Scan for J_CC after it is jitted.
if (opcode->jitFunc && (opcode->opcode >= 0x02b0 && opcode->opcode <= 0x02bf))
if (opcode->jitFunc &&
((opcode->opcode >= 0x0290 && opcode->opcode <= 0x029f) ||
(opcode->opcode >= 0x02b0 && opcode->opcode <= 0x02bf)))
{
DSPAnalyzer::code_flags[start_addr] |= DSPAnalyzer::CODE_CALL;
++unresolvedCalls;
++unresolvedCallsThisBlock;
}
EmitInstruction(inst);
@ -298,15 +311,15 @@ void DSPEmitter::Compile(int start_addr)
MOVZX(32, 16, EAX, M(&(g_dsp.r.st[2])));
#else
MOV(64, R(R11), ImmPtr(&g_dsp.r));
MOVZX(32, 16, EAX, MDisp(R11,STRUCT_OFFSET(g_dsp.r, st[2])));
MOVZX(32, 16, EAX, MDisp(R11, STRUCT_OFFSET(g_dsp.r, st[2])));
#endif
CMP(32, R(EAX), Imm32(0));
FixupBranch rLoopAddressExit = J_CC(CC_LE, true);
#ifdef _M_IX86 // All32
MOVZX(32, 16, EAX, M(&g_dsp.r.st[3]));
#else
MOVZX(32, 16, EAX, MDisp(R11,STRUCT_OFFSET(g_dsp.r, st[3])));
MOVZX(32, 16, EAX, MDisp(R11, STRUCT_OFFSET(g_dsp.r, st[3])));
#endif
CMP(32, R(EAX), Imm32(0));
FixupBranch rLoopCounterExit = J_CC(CC_LE, true);
@ -398,8 +411,17 @@ void DSPEmitter::Compile(int start_addr)
// Mark this block as a linkable destination if it does not contain
// any unresolved CALL's
if (!(DSPAnalyzer::code_flags[start_addr] & DSPAnalyzer::CODE_CALL))
if (unresolvedCallsThisBlock == 0)
{
DSPAnalyzer::code_flags[start_addr] &= ~DSPAnalyzer::CODE_CALL;
blockLinks[start_addr] = (CompiledCode)blockLinkEntry;
}
else
{
DSPAnalyzer::code_flags[start_addr] |= DSPAnalyzer::CODE_CALL;
blockLinks[start_addr] = 0;
++unresolvedCalls;
}
if (blockSize[start_addr] == 0)
{
@ -409,6 +431,8 @@ void DSPEmitter::Compile(int start_addr)
blockSize[start_addr] = 1;
}
SaveDSPRegs();
// ABI_RestoreStack(0);
ABI_PopAllCalleeSavedRegsAndAdjustStack();
if (DSPAnalyzer::code_flags[start_addr] & DSPAnalyzer::CODE_IDLE_SKIP)
@ -459,8 +483,8 @@ void DSPEmitter::CompileDispatcher()
#ifdef _M_IX86
TEST(8, M(&g_dsp.cr), Imm8(CR_HALT));
#else
MOV(64, R(R11), ImmPtr(&g_dsp.cr));
TEST(8, MatR(R11), Imm8(CR_HALT));
MOV(64, R(RAX), ImmPtr(&g_dsp.cr));
TEST(8, MatR(RAX), Imm8(CR_HALT));
#endif
FixupBranch halt = J_CC(CC_NE);