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Merge pull request #818 from xsacha/cmp-jit

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ARMJIT: min, max implementations.
This commit is contained in:
Henrik Rydgård 2013-02-28 12:01:07 -08:00
commit f311bfba9d
1 changed files with 28 additions and 14 deletions
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42
Core/MIPS/ARM/ArmCompALU.cpp
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@ -159,11 +159,11 @@ namespace MIPSComp
switch (op & 63)
{
//case 10: if (!R(rt)) R(rd) = R(rs); break; //movz
//case 11: if (R(rt)) R(rd) = R(rs); break; //movn
//case 10: if (!R(rt)) R(rd) = R(rs); break; //movz
//case 11: if (R(rt)) R(rd) = R(rs); break; //movn
// case 32: //R(rd) = R(rs) + R(rt); break; //add
case 33: //R(rd) = R(rs) + R(rt); break; //addu
// case 32: //R(rd) = R(rs) + R(rt); break; //add
case 33: //R(rd) = R(rs) + R(rt); break; //addu
// Some optimized special cases
if (rs == 0) {
gpr.MapDirtyIn(rd, rt);
@ -176,25 +176,25 @@ namespace MIPSComp
ADD(gpr.R(rd), gpr.R(rs), gpr.R(rt));
}
break;
case 34: //R(rd) = R(rs) - R(rt); break; //sub
case 34: //R(rd) = R(rs) - R(rt); break; //sub
case 35:
gpr.MapDirtyInIn(rd, rs, rt);
SUB(gpr.R(rd), gpr.R(rs), gpr.R(rt));
break;
case 36: //R(rd) = R(rs) & R(rt); break; //and
case 36: //R(rd) = R(rs) & R(rt); break; //and
gpr.MapDirtyInIn(rd, rs, rt);
AND(gpr.R(rd), gpr.R(rs), gpr.R(rt));
break;
case 37: //R(rd) = R(rs) | R(rt); break; //or
case 37: //R(rd) = R(rs) | R(rt); break; //or
gpr.MapDirtyInIn(rd, rs, rt);
ORR(gpr.R(rd), gpr.R(rs), gpr.R(rt));
break;
case 38: //R(rd) = R(rs) ^ R(rt); break; //xor/eor
case 38: //R(rd) = R(rs) ^ R(rt); break; //xor/eor
gpr.MapDirtyInIn(rd, rs, rt);
EOR(gpr.R(rd), gpr.R(rs), gpr.R(rt));
break;
case 39: // R(rd) = ~(R(rs) | R(rt)); //nor
case 39: // R(rd) = ~(R(rs) | R(rt)); break; //nor
gpr.MapDirtyInIn(rd, rs, rt);
ORR(gpr.R(rd), gpr.R(rs), gpr.R(rt));
MVN(gpr.R(rd), gpr.R(rd));
@ -210,7 +210,7 @@ namespace MIPSComp
SetCC(CC_AL);
break;
case 43: //R(rd) = R(rs) < R(rt); break; //sltu
case 43: //R(rd) = R(rs) < R(rt); break; //sltu
gpr.MapDirtyInIn(rd, rs, rt);
CMP(gpr.R(rs), gpr.R(rt));
SetCC(CC_LO);
@ -220,11 +220,25 @@ namespace MIPSComp
SetCC(CC_AL);
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) = max(R(rs), R(rt); break; //max
gpr.MapDirtyInIn(rd, rs, rt);
CMP(gpr.R(rs), gpr.R(rt));
SetCC(CC_GT);
MOV(gpr.R(rd), gpr.R(rs));
SetCC(CC_LE);
MOV(gpr.R(rd), gpr.R(rt));
SetCC(CC_AL);
break;
// case 45: R(rd) = (R(rs) < R(rt)) ? R(rs) : R(rt); break; //min
// CMP(a,b); CMOVGT(a,b)
case 45: //R(rd) = min(R(rs), R(rt)); break; //min
gpr.MapDirtyInIn(rd, rs, rt);
CMP(gpr.R(rs), gpr.R(rt));
SetCC(CC_LT);
MOV(gpr.R(rd), gpr.R(rs));
SetCC(CC_GE);
MOV(gpr.R(rd), gpr.R(rt));
SetCC(CC_AL);
break;
default:
// gpr.UnlockAll();