Examples with LLVMAMD64GetTlsNode com.oracle.truffle.llvm.nodes.asm.support.LLVMAMD64GetTlsNode used on opensource projects

Example 1 with LLVMAMD64GetTlsNode

use of com.oracle.truffle.llvm.nodes.asm.support.LLVMAMD64GetTlsNode in project sulong by graalvm.

the class AsmFactory method getOperandAddress.

private LLVMExpressionNode getOperandAddress(Type type, AsmOperand operand) {
    if (operand instanceof AsmRegisterOperand) {
        AsmRegisterOperand op = (AsmRegisterOperand) operand;
        FrameSlot frame = getRegisterSlot(op.getBaseRegister());
        if (type instanceof PointerType) {
            return LLVMAddressReadNodeGen.create(frame);
        } else {
            throw new AsmParseException("not a pointer");
        }
    } else if (operand instanceof AsmArgumentOperand) {
        AsmArgumentOperand op = (AsmArgumentOperand) operand;
        Argument info = argInfo.get(op.getIndex());
        FrameSlot frame = getArgumentSlot(op.getIndex(), type);
        if (info.isMemory()) {
            return LLVMAddressReadNodeGen.create(frame);
        } else {
            throw new AsmParseException("not a pointer");
        }
    } else if (operand instanceof AsmMemoryOperand) {
        AsmMemoryOperand op = (AsmMemoryOperand) operand;
        int displacement = op.getDisplacement();
        AsmOperand base = op.getBase();
        AsmOperand offset = op.getOffset();
        int shift = op.getShift();
        LLVMExpressionNode baseAddress;
        assert op.getSegment() == null || op.getSegment().equals("%fs");
        LLVMExpressionNode segment = null;
        if (op.getSegment() != null) {
            segment = new LLVMAMD64GetTlsNode();
        }
        if (base != null) {
            baseAddress = getOperandLoad(new PointerType(type), base);
        } else if (offset != null) {
            LLVMExpressionNode offsetNode = getOperandLoad(null, offset);
            if (op.getSegment() != null) {
                return LLVMAMD64AddressOffsetComputationNodeGen.create(displacement, shift, segment, offsetNode);
            } else {
                return LLVMAMD64AddressNoBaseOffsetComputationNodeGen.create(displacement, shift, offsetNode);
            }
        } else if (op.getSegment() != null) {
            return LLVMAMD64AddressDisplacementComputationNodeGen.create(displacement, segment);
        } else {
            if (type instanceof PrimitiveType) {
                switch(((PrimitiveType) type).getPrimitiveKind()) {
                    case I16:
                        return LLVMAMD64I16NodeGen.create((short) displacement);
                    case I32:
                        return LLVMAMD64I32NodeGen.create(displacement);
                    case I64:
                        return LLVMAMD64I64NodeGen.create(displacement);
                    default:
                        throw new AsmParseException("unknown type: " + type);
                }
            } else if (type instanceof PointerType) {
                return LLVMAMD64I64NodeGen.create(displacement);
            } else {
                throw new AsmParseException("invalid type: " + type);
            }
        }
        LLVMExpressionNode address;
        if (offset == null) {
            address = LLVMAMD64AddressDisplacementComputationNodeGen.create(displacement, baseAddress);
        } else {
            LLVMExpressionNode offsetNode = getOperandLoad(null, offset);
            address = LLVMAMD64AddressOffsetComputationNodeGen.create(displacement, shift, baseAddress, offsetNode);
        }
        if (op.getSegment() != null) {
            address = LLVMAMD64AddressSegmentComputationNodeGen.create(address, segment);
        }
        return address;
    } else {
        throw new AsmParseException("unsupported operand: " + operand);
    }
}