| 5548761 |
Compiler for target machine independent optimization of data movement, ownership transfer and device control |
| Aug-20-1996 |
A method and apparatus designed to expose the power of manipulating data transfer and ownership to the compiler has been given. The key ideas behind the XDP methodology are its separation of data transfer... |
| 5535394 |
Methods for distinguishing dynamically allocated storage along different call paths and for providing a compact representation of alias analysis |
| Jul-9-1996 |
The invention provides a method for improving the precision of interprocedural alias analysis by efficiently qualifying (naming) dynamically allocated storage locations with call path information and identifying... |
| 5535392 |
Using hint generation to cause portions of object files to remain the same |
| Jul-9-1996 |
A method and system for compiling a source program using smart recompilation. The invention allows fragments to contain "invocation specific" information, which is generated during a code generation phase... |
| 5530866 |
Register allocation methods having upward pass for determining and propagating variable usage information and downward pass for binding; both passes utilizing interference graphs via coloring |
| Jun-25-1996 |
The present invention provides methods for allocating physical registers within a compiler phase to achieve efficient operation of a target CPU. The methods of the present invention allocate variables... |
| 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... |
| 5442792 |
Expert system compilation method |
| Aug-15-1995 |
A computer implemented compilation method or compiler and translator that automatically converts an interpretive rule-based expert system into compact, compiled, parallel Ada code. The present compiler... |
| 5442790 |
Optimizing compiler for computers |
| Aug-15-1995 |
A method is described for compiling a source code listing into an object code listing and comprises the steps of: extracting a block of source code statements from a source code listings; mapping each... |
| 5396631 |
Compiling apparatus and a compiling method |
| Mar-7-1995 |
A compiling apparatus has a front end for providing intermediate representations according to a source program; an optimizing unit for optimizing the intermediate representations; an intermediate representation... |
| 5367687 |
Method and apparatus for optimizing cost-based heuristic instruction scheduling |
| Nov-22-1994 |
A method and apparatus for optimizing cost-based heuristic instruction scheduling for a pipelined processor is disclosed which has particular application to compile time instruction scheduling after code... |
| 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... |
| 5335351 |
Method for optimizing source program including variables necessary for synchronous/exclusive control |
| Aug-2-1994 |
In optimization processing performed by a compiler to execute a source program described in a high level language on the environment of a multiprocessor system, a judgment is made at the time of compiling... |
| 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... |
| 5293631 |
Analysis and optimization of array variables in compiler for instruction level parallel processor |
| Mar-8-1994 |
A process for optimizing compiler intermediate representation (IR) code, and data structures for implementing the process; the process is preferably embodied in a compiler computer program operating on... |
| 5280617 |
Automatic program code generation in a compiler system for an instantiation of a generic program structure and based on formal parameters and characteristics of actual parameters |
| Jan-18-1994 |
A compiler maintains a library of sharable program structures generated in response to instantiations of a generic program structure, along with characteristics of parameters which were used in generating... |
| 5249295 |
Digital computer register allocation and code spilling using interference graph coloring |
| Sep-28-1993 |
A method is disclosed for allocating internal machine registers in a digital computer for use in storing values defined and referenced by a computer program. An allocator in accordance with the present... |
| 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... |
| 5175856 |
Computer with integrated hierarchical representation (IHR) of program wherein IHR file is available for debugging and optimizing during target execution |
| Dec-29-1992 |
A modular compilation system that utilizes a fully integrated hierarchical representation as a common intermediate representation to compile source code programs written in one or more procedural programming... |
| 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... |
