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ir-jit: Fix bug in ext

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This commit is contained in:
Henrik Rydgard 2016-05-08 02:08:54 +02:00
parent 7d4774db4c
commit e750987052
1 changed files with 7 additions and 4 deletions
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11
Core/MIPS/IR/IRCompALU.cpp
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@ -224,7 +224,6 @@ void IRJit::Comp_ShiftType(MIPSOpcode op) {
void IRJit::Comp_Special3(MIPSOpcode op) {
CONDITIONAL_DISABLE;
MIPSGPReg rs = _RS;
MIPSGPReg rt = _RT;
@ -237,9 +236,13 @@ void IRJit::Comp_Special3(MIPSOpcode op) {
return;
switch (op & 0x3f) {
case 0x0: //ext
ir.Write(IROp::Shl, rt, rs);
ir.Write(IROp::AndConst, rt, rt, ir.AddConstant(mask));
case 0x0:
if (pos != 0) {
ir.Write(IROp::ShrImm, rt, rs, pos);
ir.Write(IROp::AndConst, rt, rt, ir.AddConstant(mask));
} else {
ir.Write(IROp::AndConst, rt, rs, ir.AddConstant(mask));
}
break;
case 0x4: //ins