Examples with TrapCodeOperand org.jikesrvm.compilers.opt.ir.operand.TrapCodeOperand used on opensource projects

Example 6 with TrapCodeOperand

use of org.jikesrvm.compilers.opt.ir.operand.TrapCodeOperand in project JikesRVM by JikesRVM.

the class BURS_Helpers method TRAP.

// Take the generic LIR trap and coerce into the limited vocabulary
// understand by C trap handler on PPC.  See TrapConstants.java.
protected final void TRAP(Instruction s) {
    RegisterOperand gRes = Trap.getClearGuardResult(s);
    TrapCodeOperand tc = Trap.getClearTCode(s);
    switch(tc.getTrapCode()) {
        case RuntimeEntrypoints.TRAP_NULL_POINTER:
            {
                RVMMethod target = Entrypoints.raiseNullPointerException;
                mutateTrapToCall(s, target);
            }
            break;
        case RuntimeEntrypoints.TRAP_ARRAY_BOUNDS:
            {
                RVMMethod target = Entrypoints.raiseArrayBoundsException;
                mutateTrapToCall(s, target);
            }
            break;
        case RuntimeEntrypoints.TRAP_DIVIDE_BY_ZERO:
            {
                RVMMethod target = Entrypoints.raiseArithmeticException;
                mutateTrapToCall(s, target);
            }
            break;
        case RuntimeEntrypoints.TRAP_CHECKCAST:
            {
                EMIT(MIR_Trap.mutate(s, PPC_TWI, gRes, PowerPCTrapOperand.ALWAYS(), I(12), IC(CHECKCAST_TRAP & 0xffff), tc));
            }
            break;
        case RuntimeEntrypoints.TRAP_MUST_IMPLEMENT:
            {
                EMIT(MIR_Trap.mutate(s, PPC_TWI, gRes, PowerPCTrapOperand.ALWAYS(), I(12), IC(MUST_IMPLEMENT_TRAP & 0xffff), tc));
            }
            break;
        case RuntimeEntrypoints.TRAP_STORE_CHECK:
            {
                EMIT(MIR_Trap.mutate(s, PPC_TWI, gRes, PowerPCTrapOperand.ALWAYS(), I(12), IC(STORE_CHECK_TRAP & 0xffff), tc));
            }
            break;
        default:
            throw new OptimizingCompilerException("Unexpected case of trap_if" + s);
    }
}