Package org.jnode.assembler.x86

Examples of org.jnode.assembler.x86.X86Assembler.writeLEA()

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                break;

            case Kind.CONSTANT:
                pushConstant(ec, os);
                pushToFPU(os, helper.SP, 0);
                os.writeLEA(helper.SP, helper.SP, helper.SLOTSIZE);
                break;

            case Kind.FPUSTACK:
                // Assert this item is at the top of the stack
                stack.fpuStack.pop(this);
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            case Kind.STACK:
                if (VirtualStack.checkOperandStack) {
                    stack.operandStack.pop(this);
                }
                pushToFPU(os, helper.SP, 0);
                os.writeLEA(helper.SP, helper.SP, helper.SLOTSIZE);
                break;

            default:
                throw new IllegalArgumentException("Invalid item kind");
        }
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                final RefItem addr = vstack.popRef();
                ofs.load(ec);
                addr.load(ec);
                final GPR ofsr = ofs.getRegister();
                final GPR r = addr.getRegister();
                os.writeLEA(r, r, ofsr, 1, 0);
                final WordItem result = L1AHelper.requestWordRegister(ec, methodToType(mcode), true);
                final GPR resultr = result.getRegister();
                if (mcode == LOADCHAR_OFS) {
                    os.writeMOVZX(resultr, r, 0, methodToSize(mcode));
                } else {
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                final GPR resultr = result.getRegister();

                final GPR r = addr.getRegister();
                final GPR valr = val.getRegister();
                final GPR ofsr = ofs.getRegister();
                os.writeLEA(r, r, ofsr, 1, 0);
                os.writeCMPXCHG_EAX(r, 0, valr, true);
                os.writeSETCC(resultr, X86Constants.JZ);
                os.writeAND(resultr, 0xFF);

                ofs.release(ec);
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                final RefItem addr = vstack.popRef();
                ofs.load(ec);
                addr.load(ec);
                final GPR ofsr = ofs.getRegister();
                final GPR r = addr.getRegister();
                os.writeLEA(r, r, ofsr, 1, 0);
                final WordItem result = L1AHelper.requestWordRegister(ec, methodToType(mcode), true);
                final GPR resultr = result.getRegister();
                if (mcode == LOADCHAR_OFS) {
                    os.writeMOVZX(resultr, r, 0, methodToSize(mcode));
                } else {
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                if (os.isCode64()) {
                    GPR64 indexReg64 = L1AHelper.get64BitReg(ec, indexReg);
                    os.writeMOVSXD(indexReg64, (GPR32) indexReg);
                    indexReg = indexReg64;
                }
                os.writeLEA(itemReg, itemReg, indexReg, os.getWordSize(), VmArray.DATA_OFFSET * os.getWordSize());
                index.release(ec);
                vstack.push(item);
                break;
            }
            case GETISOLATEDSTATICSFIELDADDRESS: {
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                if (os.isCode64()) {
                    GPR64 indexReg64 = L1AHelper.get64BitReg(ec, indexReg);
                    os.writeMOVSXD(indexReg64, (GPR32) indexReg);
                    indexReg = indexReg64;
                }
                os.writeLEA(itemReg, itemReg, indexReg, os.getWordSize(), VmArray.DATA_OFFSET * os.getWordSize());
                index.release(ec);
                vstack.push(item);
                break;
            }
            case ISRUNNINGJNODE: {
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                final GPR resultr = result.getRegister();

                final GPR r = addr.getRegister();
                final GPR valr = val.getRegister();
                final GPR ofsr = ofs.getRegister();
                os.writeLEA(r, r, ofsr, 1, 0);
                os.writeCMPXCHG_EAX(r, 0, valr, true);
                os.writeSETCC(resultr, X86Constants.JZ);
                os.writeAND(resultr, 0xFF);

                ofs.release(ec);
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