ShuriZma
/
project64
mirror of https://github.com/project64/project64.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Optimize LW in RSP Recompiler

This commit is contained in:
LegendOfDragoon 2015-09-07 14:36:42 -07:00
parent 48baf1df7c
commit 237b21a596
1 changed files with 10 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
Source/RSP/Recompiler Ops.c
View File

@ -715,9 +715,18 @@ void Compile_LW ( void ) {
if (IsRegConst(RSPOpC.base) == TRUE) { if (IsRegConst(RSPOpC.base) == TRUE) {
DWORD Addr = (MipsRegConst(RSPOpC.base) + Offset) & 0xfff; DWORD Addr = (MipsRegConst(RSPOpC.base) + Offset) & 0xfff;
if ((Addr & 3) != 0) { if ((Addr & 1) != 0) {
CompilerWarning("Unaligned LW at constant address PC = %04X", CompilePC); CompilerWarning("Unaligned LW at constant address PC = %04X", CompilePC);
Cheat_r4300iOpcodeNoMessage(RSP_Opcode_LW,"RSP_Opcode_LW"); Cheat_r4300iOpcodeNoMessage(RSP_Opcode_LW,"RSP_Opcode_LW");
} else if ((Addr & 2) != 0) {
char Address[32];
sprintf(Address, "Dmem + %Xh", Addr - 2);
MoveVariableToX86regHalf(RSPInfo.DMEM + Addr - 2, Address, x86_EAX);
sprintf(Address, "Dmem + %Xh", Addr);
MoveVariableToX86regHalf(RSPInfo.DMEM + Addr + 4, Address, x86_ECX);
MoveX86regHalfToVariable(x86_EAX, &RSP_GPR[RSPOpC.rt].UHW[1], GPR_Name(RSPOpC.rt));
MoveX86regHalfToVariable(x86_ECX, &RSP_GPR[RSPOpC.rt].UHW[0], GPR_Name(RSPOpC.rt));
} else { } else {
char Address[32]; char Address[32];
sprintf(Address, "Dmem + %Xh", Addr); sprintf(Address, "Dmem + %Xh", Addr);