| 5590329 |
Method and apparatus for detecting memory access errors |
| Dec-31-1996 |
Disclosed is a software generation system (SGS) based memory error detection system which may be utilized to detect various memory access errors, such as array dimension violations, dereferencing of invalid... |
| 5577253 |
Analyzing inductive expressions in a multilanguage optimizing compiler |
| Nov-19-1996 |
A compiler framework comprises a generic compiler back end which may be used by a plurality of front ends to generate object code for a target computer system. Each front end scans and parses a source... |
| 5557761 |
System and method of generating object code using aggregate instruction movement |
| Sep-17-1996 |
A system and method of generating object code from an intermediate representation of source code is described. The intermediate representation includes a plurality of basic blocks each being represented... |
| 5555417 |
Method and apparatus for compiling computer programs with interprocedural register allocation |
| Sep-10-1996 |
Optimization techniques are implemented by means of a program analyzer used in connection with a program compiler to optimize usage of limited register resources in a computer processor. The first optimization... |
| 5555412 |
Complier and method for alias checking in a complier |
| Sep-10-1996 |
An aliasing method and apparatus carried out on a digital computer are provided for generating an object code from a source program. An aliasing data structure is defined and includes an initial empty... |
| 5511198 |
Optimizing compiler for shortening execution time of object program |
| Apr-23-1996 |
An optimizing compiler has a function of determining whether the result of a statement to be executed precedent to a conditional branch statement is not referred to by one destination of the conditional... |
| 5450588 |
Reducing pipeline delays in compilers by code hoisting |
| Sep-12-1995 |
This invention permits an optimizing compiler to minimize the effect of pipeline delays, which are typically introduced by branching code. This invention employs code hoisting to introduce computations... |
| 5450585 |
Compiler with delayed conditional branching |
| Sep-12-1995 |
An optimization method or apparatus adapted for use on a compiler for generating machine code optimized for a pipeline processor. A compute-compare-branch sequence in a loop is replaced with a compare-compute-branch... |
| 5450554 |
Apparatus for detecting possibility of parallel processing and method thereof and a program translation apparatus utilized therein |
| Sep-12-1995 |
The present invention provides an apparatus for detecting whether a program having an iterative loop can be processed in parallel. The apparatus includes including a simulation unit for simulating each... |
| 5448737 |
System and method for optimizing computer code using a compact data flow representation |
| Sep-5-1995 |
The present invention provides a system and method for optimizing or parallelizing computer code typically represented by a source program. The source program is represented by a control flow graph. The... |
| 5442797 |
Latency tolerant risc-based multiple processor with event driven locality managers resulting from variable tagging |
| Aug-15-1995 |
A method and an apparatus for reconciling communication and locality by enabling a user/programmer to write programs in an extended procedural language which explicitly manipulate locality. The multiprocessor... |
| 5418958 |
Register allocation by decomposing, re-connecting and coloring hierarchical program regions |
| May-23-1995 |
During code generation, a routine is first decomposed into regions. Then, starting from the highest plateau, i.e. the inner most control flow level, the interference graph of each region in a plateau is... |
| 5396627 |
Method of producing object program based on interprocedural dataflow analysis of a source program |
| Mar-7-1995 |
A method of producing an object program from an inputted source program with a compiler using a computer, includes the steps of: performing an interprocedural dataflow analysis of a variable associated... |
| 5339238 |
Register usage tracking in translating code for different machine architectures by forward and reverse tracing through the program flow graph |
| Aug-16-1994 |
A code translator, constructed similar to a compiler, accepts as an input to be translated the assembly code written for one architecture (e.g., VAX), and produces as an output object code for a different... |
| 5317734 |
Method of synchronizing parallel processors employing channels and compiling method minimizing cross-processor data dependencies |
| May-31-1994 |
A method of synchronizing the parallel processors of a multiple instruction stream multiprocessor employs a limited number of register channels, which may be re-used, for enforcing cross-stream data or... |
| 5307498 |
Automated method for adding hooks to software |
| Apr-26-1994 |
The automatic addition of hooks to software is provided by greatly simplified steps. A function which is to be hooked is renamed. A new function is then created utilizing the original function name to... |
| 5307492 |
Mapping assembly language argument list references in translating code for different machine architectures |
| Apr-26-1994 |
A code translator, constructed similar to a compiler, accepts as an input to be translated the assembly code written for one architecture (e.g., VAX), and produces as an output object code for a different... |
| 5301325 |
Use of stack depth to identify architechture and calling standard dependencies in machine code |
| Apr-5-1994 |
A code translator, constructed similar to a compiler, accepts as an input to be translated the assembly code written for one architecture (e.g., VAX), and produces as an output object code for a different... |
| 5283901 |
Microcomputer with high speed access memory and language processing program execution system |
| Feb-1-1994 |
A microcomputer having a high speed access memory and a language processing program execution system capable of producing a compact object including a high speed variable operation is disclosed. As to... |
| 5230053 |
Processor scheduling method for iterative loops |
| Jul-20-1993 |
A compiling method is described whereby a source program written in a conventional high-language for execution by a serial architecture computer can be automatically converted to an object program for... |
| 5210837 |
Methods and apparatus for transforming machine language program control into high-level language constructs by manipulating graphical program representations |
| May-11-1993 |
A method for translating an initial program flow representation of a computer program into a modified program flow representation examines paths in the initial program flow representation, selects for... |
| 5193190 |
Partitioning optimizations in an optimizing compiler |
| Mar-9-1993 |
A computer program to be compiled is optimized prior to carrying out the final compilation. Subgraphs within the program are identified and examined for optimization beginning with the entire program as... |
| 5161216 |
Interprocedural slicing of computer programs using dependence graphs |
| Nov-3-1992 |
Programs having multiple procedures are analyzed by creating a syst This invention was made with U.S. Government support awarded by the National Science Foundation (NSF), Grant #DCR-8603356 and PYI Award... |
| 5146594 |
Method of producing object program based on interprocedural dataflow analysis of a source program |
| Sep-8-1992 |
A method of producing an object program from an inputted source program with a compiler using a computer, includes the steps of: performing an interprocedural dataflow analysis of a variable associated... |
| 5125092 |
Method and apparatus for providing multiple condition code fields to to allow pipelined instructions contention free access to separate condition codes |
| Jun-23-1992 |
A computer system includes a condition register having multiple fields. Each field may be used as an independent condition register. A compiler which generates executable code for the computer system assigns... |
| 4885684 |
Method for compiling a master task definition data set for defining the logical data flow of a distributed processing network |
| Dec-5-1989 |
A compiler method is disclosed which defines a data flow for a specific complex function to be executed on a plurality of data processing elements in a distributed processing system, by means of defining... |
| 4571678 |
Register allocation and spilling via graph coloring |
| Feb-18-1986 |
In an optimizing compiler which receives a high level source language program and produces machine interpretable instructions, a method for assigning computational data utilized by the program to a limited... |
