| 6301705 |
System and method for deferring exceptions generated during speculative execution |
| Oct-9-2001 |
The present invention is generally directed to a system and method for supporting speculative execution of an instruction set for a central processing unit (CPU) including non-speculative and speculative... |
| 6301700 |
Method and apparatus for slicing class hierarchies |
| Oct-9-2001 |
Given a class hierarchy (a collection of classes and inheritance relations among them) and a program P that uses the hierarchy, a slice of the class hierarchy is computed with respect to the program by... |
| 6301641 |
Method for reducing the frequency of cache misses in a computer |
| Oct-9-2001 |
A score is computed of how many cache misses occur for the execution of each of a number of blocks. The score is used as a heuristic in a local search in which an original selection is iteratively replaced... |
| 6292937 |
Program conversion device for translating an object-oriented language source program |
| Sep-18-2001 |
A program conversion device includes a formal initialization expression generating unit, an actual initialization expression generating unit, and an object generation statement translating unit. The formal... |
| 6286136 |
Compile processing apparatus and method and program executing apparatus and method |
| Sep-4-2001 |
A compile processing apparatus compiles a program formed of a plurality of classes having initializing procedures. The compile processing apparatus includes a specifying unit for specifying an initializing... |
| 6282705 |
Compiler capable of reducing interrupt handling in optimization and its optimization method |
| Aug-28-2001 |
A compiler comprises a using register control table by function, a using register extracting unit by function for extracting a using register and a call function name, in every function, based on the intermediate... |
| 6282704 |
Method for analyzing array summary for loop including loop exit statement |
| Aug-28-2001 |
A method for analyzing an array summary to improve the accuracy of an array summary analysis of a loop containing a loop exit statement, thereby to improve applicability of array privatization. If a loop... |
| 6282702 |
Method and apparatus of translating and executing native code in a virtual machine environment |
| Aug-28-2001 |
A method and apparatus of translating and executing native code in a virtual machine environment. Debugging of a virtual machine implementation is made easier through binary translation of native code,... |
| 6272676 |
Method and apparatus for finding loop-- lever parallelism in a pointer based application |
| Aug-7-2001 |
A method and apparatus for finding loop_level parallelism in a sequence of instructions. In one embodiment, the method includes the steps of determining if a variable which identifies a memory address... |
| 6256783 |
Object conversion apparatus, object conversion method and program storing medium |
| Jul-3-2001 |
The present invention introduces an object conversion apparatus with both advantages of the dynamic object conversion and advantages of the static object conversion. In the object conversion apparatus,... |
| 6253370 |
Method and apparatus for annotating a computer program to facilitate subsequent processing of the program |
| Jun-26-2001 |
A method and apparatus annotates a computer program to facilitate subsequent processing of the program. Code representing the program is generated at a first computer system. Annotations are generated... |
| 6247174 |
Optimization of source code with embedded machine instructions |
| Jun-12-2001 |
A software mechanism for enabling a programmer to embed selected machine instructions into program source code in a convenient fashion, and optionally restricting the re-ordering of such instructions by... |
| 6243864 |
Compiler for optimizing memory instruction sequences by marking instructions not having multiple memory address paths |
| Jun-5-2001 |
Internal variables generated by a compiler are assigned to machine resources such as registers and memory by the resource assigning unit 11, and when the assembler code generation unit 18 has outputted... |
| 6230314 |
Method and device for program transformation using class hierarchy transformation based upon type constraint analysis |
| May-8-2001 |
A mechanism is provided that eliminates redundant components from objects of a program. Specifically, the mechanism is capable of detecting situations where a member of a given class is used by some, but... |
| 6230182 |
Computer language interpreter which can perform time-consuming operations with minimal impact on interactive programs |
| May-8-2001 |
A method of interpreting a program and performing time consuming operations at various times in a manner whereby the probability that a user of the program perceives any delay in the execution of the program... |
| 6223341 |
Computer-program compilers comprising a program augmentation capability |
| Apr-24-2001 |
A method for optimizing and transforming a compiler program in a computer system. The method comprises the steps of constructing a compiler comprising a program augmentation capability; and, locating this... |
| 6223281 |
Method of controlling the degree of parallelism when performing parallel processing on an inherently serial computer program |
| Apr-24-2001 |
An inherently serial program is processed in parallel, thus leading to higher processing speeds, while maintaining a close approximation to the specific result obtained through a serial running of the... |
| 6202204 |
Comprehensive redundant load elimination for architectures supporting control and data speculation |
| Mar-13-2001 |
In one implementation of the invention, a computer implemented method used in compiling a program includes identifying a covering load, which may be one of a set of covering loads, and a redundant load.... |
| 6192517 |
Method, apparatus, and product for improved garbage collection in a memory system through the removal of reference conflicts |
| Feb-20-2001 |
In accordance with the present invention a method for modifying a sequence of instructions to improve memory management within a storage device during execution of the instructions, comprises the steps,... |
| 6179491 |
Method and apparatus for slicing class hierarchies |
| Jan-30-2001 |
Given a class hierarchy (a collection of classes and inheritance relations among them) and a program P that uses the hierarchy, a slice of the class hierarchy is computed with respect to the program by... |
| 6170998 |
Processor which returns from a subroutine at high speed and a program translating apparatus which generates machine programs that makes a high-speed return from a subroutine |
| Jan-9-2001 |
A processor detects a function which includes no function call instruction and no update of the return address /calculation register from an assembler program. After the detection, the processor outputs... |
| 6163882 |
Language processing apparatus for converting source program into object program |
| Dec-19-2000 |
For converting a source program into an object program, the source program is analyzed to individually detect a plurality of functions, and the called relationship between the functions is detected. An... |
| 6139200 |
Register resource allocation feedback |
| Oct-31-2000 |
Techniques for allocating registers when generating code is described. A snapshot is generated when generating code. The snapshot contains sufficient information to restore the state of generating code... |
| 6115811 |
Digital data process system including efficient arrangement to support branching within trap shadows |
| Sep-5-2000 |
A digital computer includes an efficient mechanism by which an exception handler can traverse the instruction stream in a reverse direction to identify the instruction which gave rise to the exception... |
| 6113651 |
Compile method, a compiler, an exception handler, and a program recording medium |
| Sep-5-2000 |
The present invention provides a compile method comprising steps of allocating a variable which is living and may be used after processing by an exception processing program, to a register whose contents... |
| 6099585 |
System and method for streamlined execution of instructions |
| Aug-8-2000 |
A system and method for the streamlined execution of complex or repeating instructions. The method comprises creating a specialized instruction unit for executing a group of operations and then executing... |
| 6086632 |
Register optimizing compiler using commutative operations |
| Jul-11-2000 |
A register optimizing compiler for use in a computer in which the type of a register for storing data to be used in each of a plurality of input operands is limited according to the location of each input... |
| 6085035 |
Method and apparatus for efficient operations on primary type values without static overloading |
| Jul-4-2000 |
Apparatus, methods, and computer program products are disclosed for providing optimized access to pointer or externally-tagged primitive type data-values. The invention maintains a type identifier external... |
| 6077314 |
Method of, system for, and computer program product for providing improved code motion and code redundancy removal using extended global value numbering |
| Jun-20-2000 |
Code motion and redundancy removal based on an Extended Global Value Numbering technique which performs value numbering beyond basic blocks and extended basic blocks. Full redundancies and partial redundancies... |
| 6076085 |
Routine executing method in database system |
| Jun-13-2000 |
In a parallel database system having an execution device on a front end side and a plurality of execution devices on a database operation side (hereinafter referred to as the "divided data side"), the... |
| 6074433 |
Optimization control apparatus and optimization control method for array descriptions |
| Jun-13-2000 |
In order to generate optimum codes for array descriptions having a new language specification, an optimization control apparatus or method for array description executes a function of determining a scope... |
| 6070011 |
Compiler for performing a loop fusion, dependent upon loop peeling and/or loop reversal |
| May-30-2000 |
A compile method employs loop fusion to improve execution of a first loop and a second loop in a code sequence. A compile method initially peels one or more loop iterations from one of the loops to cause... |
| 6070010 |
System and method of local data alignment for stack memory |
| May-30-2000 |
A system and method for aligning data in stack memory in a data processing system where the stack memory provides temporary storage for storing parameters for a function call. The method first determines... |
| 6070009 |
Method for estimating execution rates of program execution paths |
| May-30-2000 |
A method is provided for estimating execution rates of program executions paths. The method samples path-identifying state information of selected instructions while executing the program in a processor.... |
| 6064820 |
Apparatus and method to incrementally update single static assignment (SSA) form |
| May-16-2000 |
A method and apparatus for incrementally updating SSA form after loop unrolling. The incremental SSA tool generates a non-ambiguous new name, in SSA form, for each original name defined in a loop and used... |
| 6059841 |
Updating data dependencies for loop strip mining |
| May-9-2000 |
The inventive system and method uses two relationships to update the distance vector after the loop strip-mining optimization has been performed by the compiler. The invention applies the original distance... |
| 6059840 |
Automatic scheduling of instructions to reduce code size |
| May-9-2000 |
Scheduling instructions by eliminating COPY instructions to reduce code size and increase performance in a computer program compiler. According to one embodiment of the present invention COPY instructions... |
| 6059839 |
Apparatus and method for compiler identification of address data |
| May-9-2000 |
In a compiler for processing a software program and generating machine executable code, a method for optimizing a plurality of variables that have their addresses taken. The method is comprised of the... |
| 6047125 |
Garbage collection system for improved use of memory by removal of reference conflicts |
| Apr-4-2000 |
In accordance with the present invention a method for modifying a sequence of instructions to improve memory management within a storage device during execution of the instructions, comprises the steps,... |
| 6044223 |
Object code allocation in multiple systems |
| Mar-28-2000 |
This invention relates to the allocation of object code in multi-processor systems. In particular, techniques are disclosed for efficiently allocating signal processing instructions to a large array of... |
| 6041181 |
Method of, system for, and computer program product for providing quick fusion in WHERE constructs |
| Mar-21-2000 |
FORTRAN WHERE construct compilation and optimization is provided by excluding an assignment statement containing a transformational intrinsic function from loop fusion of the WHERE construct. To perform... |
| 6038397 |
System for allocating the memory area of second data which value need not be preserved to another data of some of the processes |
| Mar-14-2000 |
A compiling method comprises the steps of analyzing the characters and phrases in the source code of a program, analyzing the syntax of the program, and analyzing the meaning of the program, a program... |
| 6035121 |
Method and system for localizing a computer program |
| Mar-7-2000 |
A method and system are provided for converting a computer program from a current version first language to a localized version in a target language. All resource information of the program is stored in... |
| 6029001 |
Method of compiling a computer program for performing parallel image processing |
| Feb-22-2000 |
A system for compiling a computer program to implement parallel image processing on a computer having a plurality of arithmetic processors. The program is analyzed to determine whether it contains a parallel... |
| 6026239 |
Run-time code compiler for data block transfer |
| Feb-15-2000 |
A method and apparatus for efficiently transferring a data block of bytes from a source to a destination in memory of a computer system. The method transfers bytes in multiple-byte words on word-aligned... |
| 6021275 |
Object code structure and method for translation of architecture independent program implementations |
| Feb-1-2000 |
Endian format affects the representation of both literal data and pointer data whether represented in a global data specification (i.e., in a data section) or as immediate operand values in-line with Intercode... |
| 6021266 |
Method of designing an integrated circuit using scheduling and allocation with parallelism and handshaking communication, and an integrated circuit designed by such method |
| Feb-1-2000 |
An integrated circuit is designed by defining its functions in a programming language which supports parallelism and synchronized communication. The resulting source code is supplied to a compiler which... |
| 6014518 |
Terminating polymorphic type inference program analysis |
| Jan-11-2000 |
A terminating polymorphic type inference program analysis helps to better optimize, understand, and/or browse computer programs. The analysis represents parameter values for each function call in the program... |
| 6014516 |
Language processing system which generates debugging source file corresponding to optimization image and method therefor |
| Jan-11-2000 |
A language processing system including a parsing unit for receiving input of a source file to be processed and conducting parsing processing of the same, an optimization unit for receiving input of intermediate... |
| 6012836 |
Method of reducing boolean complements in code generated by a circuit compiler |
| Jan-11-2000 |
Methods and associated apparatus for simulating digital logic circuits with a general purpose computer system. A description of a digital logic circuit is converted into executable computer code. The code... |
