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Optimize SW in RSP Recompiler

This commit is contained in:
LegendOfDragoon 2016-08-23 01:17:01 -07:00
parent 3d8482f402
commit 7a5a0731bd
1 changed files with 29 additions and 8 deletions
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37
Source/RSP/Recompiler Ops.c
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@ -1031,17 +1031,38 @@ void Compile_SW ( void ) {
CPU_Message(" %X %s",CompilePC,RSPOpcodeName(RSPOpC.Hex,CompilePC));
if (IsRegConst(RSPOpC.base) == TRUE) {
char Address[32];
DWORD Addr = (MipsRegConst(RSPOpC.base) + Offset) & 0xfff;
if ((Addr & 3) != 0) {
CompilerWarning("Unaligned SW at constant address PC = %04X", CompilePC);
Cheat_r4300iOpcodeNoMessage(RSP_Opcode_SW,"RSP_Opcode_SW");
if (Addr > 0xFFC) {
DisplayError("hmmmm.... Problem with:\nRSP_SW_DMEM");
return;
}
if (IsRegConst(RSPOpC.rt) == TRUE) {
DWORD Value = MipsRegConst(RSPOpC.rt);
sprintf(Address, "Dmem + %Xh", (Addr + 0) ^ 3);
MoveConstByteToVariable((Value >> 24) & 0xFF, RSPInfo.DMEM + ((Addr + 0) ^ 3), Address);
sprintf(Address, "Dmem + %Xh", (Addr + 1) ^ 3);
MoveConstByteToVariable((Value >> 16) & 0xFF, RSPInfo.DMEM + ((Addr + 1) ^ 3), Address);
sprintf(Address, "Dmem + %Xh", (Addr + 2) ^ 3);
MoveConstByteToVariable((Value >> 8) & 0xFF, RSPInfo.DMEM + ((Addr + 2) ^ 3), Address);
sprintf(Address, "Dmem + %Xh", (Addr + 3) ^ 3);
MoveConstByteToVariable((Value >> 0) & 0xFF, RSPInfo.DMEM + ((Addr + 3) ^ 3), Address);
} else {
CompilerWarning("Unaligned SW at constant address PC = %04X", CompilePC);
Cheat_r4300iOpcodeNoMessage(RSP_Opcode_SW,"RSP_Opcode_SW");
}
return;
} else {
char Address[32];
sprintf(Address, "Dmem + %Xh", Addr);
MoveVariableToX86reg(&RSP_GPR[RSPOpC.rt].UW, GPR_Name(RSPOpC.rt), x86_EAX);
MoveX86regToVariable(x86_EAX, RSPInfo.DMEM + Addr, Address);
if (IsRegConst(RSPOpC.rt) == TRUE) {
MoveConstToVariable(MipsRegConst(RSPOpC.rt), RSPInfo.DMEM + Addr, Address);
} else {
MoveVariableToX86reg(&RSP_GPR[RSPOpC.rt].UW, GPR_Name(RSPOpC.rt), x86_EAX);
MoveX86regToVariable(x86_EAX, RSPInfo.DMEM + Addr, Address);
}
return;
}
}
@ -1088,12 +1109,12 @@ void Compile_SW ( void ) {
CompilerToggleBuffer();
if (RSPOpC.rt == 0) {
XorX86RegToX86Reg(x86_EAX,x86_EAX);
if (IsRegConst(RSPOpC.rt) == TRUE) {
MoveConstToN64Mem(MipsRegConst(RSPOpC.rt), x86_EBX);
} else {
MoveVariableToX86reg(&RSP_GPR[RSPOpC.rt].UW, GPR_Name(RSPOpC.rt), x86_EAX);
MoveX86regToN64Mem(x86_EAX, x86_EBX);
}
MoveX86regToN64Mem(x86_EAX, x86_EBX);
CPU_Message(" Done:");
x86_SetBranch32b(Jump[1], RecompPos);