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- Available_expression abstract "In the field of compiler optimizations, available expressions is an analysis algorithm that determines for each point in the program the set of expressions that need not be recomputed. Those expressions are said to be available at such a point. To be available on a program point, the operands of the expression should not be modified on any path from the occurrence of that expression to the program point.The analysis is an example of a forward data flow analysis problem. A set of available expressions is maintained. Each statement is analysed to see whether it changes the operands of one or more available expressions. This yields sets of available expressions at the end of each basic block, known as the outset in data flow analysis terms. An expression is available at the start of a basic block if it is available at the end of each of the basic block's predecessors. This gives a set of equations in terms of available sets, which can be solved by an iterative algorithm.Available expression analysis is used to do global common subexpression elimination (CSE). If an expression is available at a point, there is no need to re-evaluate it.".
- Available_expression wikiPageID "12274025".
- Available_expression wikiPageRevisionID "568907317".
- Available_expression hasPhotoCollection Available_expression.
- Available_expression subject Category:Compiler_optimizations.
- Available_expression subject Category:Data-flow_analysis.
- Available_expression type Abstraction100002137.
- Available_expression type Act100030358.
- Available_expression type Action100037396.
- Available_expression type Change100191142.
- Available_expression type ChangeOfState100199130.
- Available_expression type CompilerOptimizations.
- Available_expression type Event100029378.
- Available_expression type Improvement100248977.
- Available_expression type Optimization100260051.
- Available_expression type PsychologicalFeature100023100.
- Available_expression type YagoPermanentlyLocatedEntity.
- Available_expression comment "In the field of compiler optimizations, available expressions is an analysis algorithm that determines for each point in the program the set of expressions that need not be recomputed. Those expressions are said to be available at such a point. To be available on a program point, the operands of the expression should not be modified on any path from the occurrence of that expression to the program point.The analysis is an example of a forward data flow analysis problem.".
- Available_expression label "Available expression".
- Available_expression label "Доступное выражение".
- Available_expression sameAs Ανάλυση_διαθέσιμων_εκφράσεων.
- Available_expression sameAs m.02vyhvg.
- Available_expression sameAs Q2482359.
- Available_expression sameAs Q2482359.
- Available_expression sameAs Available_expression.
- Available_expression wasDerivedFrom Available_expression?oldid=568907317.
- Available_expression isPrimaryTopicOf Available_expression.