| 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... |
| 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... |
| 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... |
| 5517658 |
Method for testing design timing parameters using a timing shell generator |
| May-14-1996 |
A method for testing the timing parameters of a system design is presented, especially suited for use in testing for timing violations between the pins of a semiconductor device. A description of the timing... |
| 5513356 |
Information processing system for obtaining desired processing based upon output specifications input by user |
| Apr-30-1996 |
In an information processing systems a procedure to be processed is divided into a plurality of basic processing units and those basic processing units are stored in the system. The system further creates... |
| 5507030 |
Successive translation, execution and interpretation of computer program having code at unknown locations due to execution transfer instructions having computed destination addresses |
| Apr-9-1996 |
A program is translated by automatically generating a flowgraph, using the flowgraph to analyze the program to provide information about blocks of instructions in the flowgraph, and then using the flowgraph... |
| 5504901 |
Position independent code location system |
| Apr-2-1996 |
Disclosed is a position independent code system that enables a programmable digital data processing system to invoke and execute procedures and access data that are loaded into system memory at addresses... |
| 5493675 |
Compiler back end calling predetermined front end routines that use effect and dependency indicators to provide information to the compiler to determine the validity of an optimization |
| Feb-20-1996 |
A compiler framework uses a generic "shell" and a generic back end (where the code generator is target-specific). The generic back end provides the functions of optimization, register and memory allocation,... |
| 5459866 |
Method of automatically producing job flow specification |
| Oct-17-1995 |
In a support system for software development implemented on a computer, a file input/output distinction related to a utility whose program can not be analyzed is preliminarily registered in the support... |
| 5450575 |
Use of stack depth to identify machine code mistakes |
| Sep-12-1995 |
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... |
| 5408660 |
System for analyzing and displaying data in computer program |
| Apr-18-1995 |
A system for analyzing and displaying program data capable of generating effective information for assuming paths of program execution on the basis of memory dump information of a program during stalling... |
| 5327561 |
System and method for solving monotone information propagation problems |
| Jul-5-1994 |
A method and system is provided for constructing sparse evaluation graphs for forward or backward monotone data flow problems. The sparse graph combines information as early as possible, yet directly connects... |
| 5325531 |
Compiler using clean lines table with entries indicating unchanged text lines for incrementally compiling only changed source text lines |
| Jun-28-1994 |
A computer-aided software development system includes programs to implement edit, compile, link and run sequences, all from memory, at very high speed. The compiler operates on an incremental basis, line-by-line,... |
| 5287490 |
Identifying plausible variable length machine code of selecting address in numerical sequence, decoding code strings, and following execution transfer paths |
| Feb-15-1994 |
Information about the location of untranslated instructions in an original program is discovered during execution of a partial translation of the program, and that information is used later during re-translation... |
| 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... |
| 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... |
