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32-bit speedup (videos mostly affected). Lots of various cleanup and future proofing. A small debugger feature.

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git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@162 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
hrydgard
2008-08-09 16:56:24 +00:00
parent 61398ea83f
commit e3d21c0b11
27 changed files with 604 additions and 448 deletions
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46
Source/Core/Common/Src/ABI.cpp
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@ -100,6 +100,7 @@ void ABI_CallFunctionAC(void *func, const Gen::OpArg &arg1, u32 param2)
}
#ifdef _WIN32
// Win64 Specific Code
// ====================================
void ABI_PushAllCalleeSavedRegsAndAdjustStack() {
@ -107,27 +108,54 @@ void ABI_PushAllCalleeSavedRegsAndAdjustStack() {
PUSH(RBX);
PUSH(RSI);
PUSH(RDI);
//PUSH(RBP);
PUSH(RBP);
PUSH(R12);
PUSH(R13);
PUSH(R14);
PUSH(R15);
//TODO: Also preserve XMM0-3?
SUB(64, R(RSP), Imm8(0x20));
SUB(64, R(RSP), Imm8(0x28));
}
void ABI_PopAllCalleeSavedRegsAndAdjustStack() {
ADD(64, R(RSP), Imm8(0x20));
ADD(64, R(RSP), Imm8(0x28));
POP(R15);
POP(R14);
POP(R13);
POP(R12);
//POP(RBP);
POP(RBP);
POP(RDI);
POP(RSI);
POP(RBX);
}
// Win64 Specific Code
// ====================================
void ABI_PushAllCallerSavedRegsAndAdjustStack() {
PUSH(RCX);
PUSH(RDX);
PUSH(RSI);
PUSH(RDI);
PUSH(R8);
PUSH(R9);
PUSH(R10);
PUSH(R11);
//TODO: Also preserve XMM0-15?
SUB(64, R(RSP), Imm8(0x28));
}
void ABI_PopAllCallerSavedRegsAndAdjustStack() {
ADD(64, R(RSP), Imm8(0x28));
POP(R11);
POP(R10);
POP(R9);
POP(R8);
POP(RDI);
POP(RSI);
POP(RDX);
POP(RCX);
}
#else
// Unix64 Specific Code
// ====================================
@ -151,6 +179,16 @@ void ABI_PopAllCalleeSavedRegsAndAdjustStack() {
POP(RBX);
}
void ABI_PushAllCallerSavedRegsAndAdjustStack() {
INT3();
//not yet supported
}
void ABI_PopAllCallerSavedRegsAndAdjustStack() {
INT3();
//not yet supported
}
#endif
#endif

9
Source/Core/Common/Src/ABI.h
View File

@ -92,8 +92,17 @@ void ABI_CallFunctionAC(void *func, const Gen::OpArg &arg1, u32 param2);
void ABI_CallFunctionR(void *func, Gen::X64Reg reg1);
void ABI_CallFunctionRR(void *func, Gen::X64Reg reg1, Gen::X64Reg reg2);
// A function that doesn't have any control over what it will do to regs,
// such as the dispatcher, should be surrounded by these.
void ABI_PushAllCalleeSavedRegsAndAdjustStack();
void ABI_PopAllCalleeSavedRegsAndAdjustStack();
// A function that doesn't know anything about it's surroundings, should
// be surrounded by these to establish a safe environment, where it can roam free.
// An example is a backpatch injected function.
void ABI_PushAllCallerSavedRegsAndAdjustStack();
void ABI_PopAllCallerSavedRegsAndAdjustStack();
#endif // _JIT_ABI_H

17
Source/Core/Common/Src/x64Analyzer.cpp
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@ -26,6 +26,9 @@ bool DisassembleMov(const unsigned char *codePtr, InstructionInfo &info, int acc
//Check for regular prefix
info.operandSize = 4;
info.zeroExtend = false;
info.signExtend = false;
info.hasImmediate = false;
info.isMemoryWrite = false;
int addressSize = 8;
u8 modRMbyte = 0;
@ -33,7 +36,6 @@ bool DisassembleMov(const unsigned char *codePtr, InstructionInfo &info, int acc
bool hasModRM = false;
bool hasSIBbyte = false;
bool hasDisplacement = false;
info.hasImmediate = false;
int displacementSize = 0;
@ -136,6 +138,7 @@ bool DisassembleMov(const unsigned char *codePtr, InstructionInfo &info, int acc
if (accessType == 1)
{
info.isMemoryWrite = true;
//Write access
switch (codeByte)
{
@ -179,7 +182,9 @@ bool DisassembleMov(const unsigned char *codePtr, InstructionInfo &info, int acc
}
else
{
//mov eax,dword ptr [rax] == 8b 00
// Memory read
//mov eax, dword ptr [rax] == 8b 00
switch (codeByte)
{
case 0x0F:
@ -193,6 +198,14 @@ bool DisassembleMov(const unsigned char *codePtr, InstructionInfo &info, int acc
info.zeroExtend = true;
info.operandSize = 2;
break;
case 0xBE: //movsx on byte
info.signExtend = true;
info.operandSize = 1;
break;
case 0xBF:
info.signExtend = true;
info.operandSize = 2;
break;
default:
return false;
}

2
Source/Core/Common/Src/x64Analyzer.h
View File

@ -27,7 +27,9 @@ struct InstructionInfo
int otherReg;
int scaledReg;
bool zeroExtend;
bool signExtend;
bool hasImmediate;
bool isMemoryWrite;
u64 immediate;
s32 displacement;
};