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Add min and max to the x86 jit portfolio.

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Unknown W. Brackets 2013-02-20 00:48:05 -08:00
parent 7d4dd1b393
commit 0d6d58fed4
1 changed files with 60 additions and 20 deletions
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80
Core/MIPS/x86/CompALU.cpp
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@ -17,6 +17,7 @@
#include "Jit.h"
#include "RegCache.h"
#include <algorithm>
using namespace MIPSAnalyst;
#define _RS ((op>>21) & 0x1F)
@ -248,32 +249,71 @@ namespace MIPSComp
break;
case 42: //R(rd) = (int)R(rs) < (int)R(rt); break; //slt
gpr.Lock(rt, rs, rd);
gpr.BindToRegister(rs, true, true);
gpr.BindToRegister(rd, true, true);
XOR(32, R(EAX), R(EAX));
CMP(32, gpr.R(rs), gpr.R(rt));
SETcc(CC_L, R(EAX));
MOV(32, gpr.R(rd), R(EAX));
gpr.UnlockAll();
if (gpr.IsImmediate(rs) && gpr.IsImmediate(rt))
gpr.SetImmediate32(rd, (s32)gpr.GetImmediate32(rs) < (s32)gpr.GetImmediate32(rt));
else
{
gpr.Lock(rt, rs, rd);
gpr.BindToRegister(rs, true, false);
gpr.BindToRegister(rd, rd == rt, true);
XOR(32, R(EAX), R(EAX));
CMP(32, gpr.R(rs), gpr.R(rt));
SETcc(CC_L, R(EAX));
MOV(32, gpr.R(rd), R(EAX));
gpr.UnlockAll();
}
break;
case 43: //R(rd) = R(rs) < R(rt); break; //sltu
gpr.Lock(rd, rs, rt);
gpr.BindToRegister(rs, true, true);
gpr.BindToRegister(rd, true, true);
XOR(32, R(EAX), R(EAX));
CMP(32, gpr.R(rs), gpr.R(rt));
SETcc(CC_B, R(EAX));
MOV(32, gpr.R(rd), R(EAX));
gpr.UnlockAll();
if (gpr.IsImmediate(rs) && gpr.IsImmediate(rt))
gpr.SetImmediate32(rd, gpr.GetImmediate32(rs) < gpr.GetImmediate32(rt));
else
{
gpr.Lock(rd, rs, rt);
gpr.BindToRegister(rs, true, false);
gpr.BindToRegister(rd, rd == rt, true);
XOR(32, R(EAX), R(EAX));
CMP(32, gpr.R(rs), gpr.R(rt));
SETcc(CC_B, R(EAX));
MOV(32, gpr.R(rd), R(EAX));
gpr.UnlockAll();
}
break;
// case 44: R(rd) = (R(rs) > R(rt)) ? R(rs) : R(rt); break; //max
// CMP(a,b); CMOVLT(a,b)
case 44: //R(rd) = (R(rs) > R(rt)) ? R(rs) : R(rt); break; //max
if (gpr.IsImmediate(rs) && gpr.IsImmediate(rt))
gpr.SetImmediate32(rd, std::max((s32)gpr.GetImmediate32(rs), (s32)gpr.GetImmediate32(rt)));
else
{
int rsrc = rd == rt ? rs : rt;
gpr.Lock(rd, rs, rt);
gpr.KillImmediate(rsrc, true, false);
gpr.BindToRegister(rd, rd == rs || rd == rt, true);
if (rd != rt && rd != rs)
MOV(32, gpr.R(rd), gpr.R(rs));
CMP(32, gpr.R(rd), gpr.R(rsrc));
CMOVcc(32, gpr.RX(rd), gpr.R(rsrc), CC_L);
gpr.UnlockAll();
}
break;
case 45: //R(rd) = (R(rs) < R(rt)) ? R(rs) : R(rt); break; //min
if (gpr.IsImmediate(rs) && gpr.IsImmediate(rt))
gpr.SetImmediate32(rd, std::min((s32)gpr.GetImmediate32(rs), (s32)gpr.GetImmediate32(rt)));
else
{
int rsrc = rd == rt ? rs : rt;
gpr.Lock(rd, rs, rt);
gpr.KillImmediate(rsrc, true, false);
gpr.BindToRegister(rd, rd == rs || rd == rt, true);
if (rd != rt && rd != rs)
MOV(32, gpr.R(rd), gpr.R(rs));
CMP(32, gpr.R(rd), gpr.R(rsrc));
CMOVcc(32, gpr.RX(rd), gpr.R(rsrc), CC_G);
gpr.UnlockAll();
}
break;
// case 45: R(rd) = (R(rs) < R(rt)) ? R(rs) : R(rt); break; //min
// CMP(a,b); CMOVGT(a,b)
default:
Comp_Generic(op);
break;