piwalker/dolphin
1
0
Fork 0
mirror of https://github.com/dolphin-emu/dolphin.git synced 2025-07-24 22:59:47 -06:00
Code Issues Packages Projects Releases Wiki Activity

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

Browse Source 
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
Download Patch File Download Diff File Expand all files Collapse all files

17
Source/Core/Common/Src/x64Analyzer.cpp
View File

@ -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;
}