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comparison src/share/vm/opto/loopnode.hpp @ 628:7bb995fbd3c0

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Merge
author trims
date Thu, 12 Mar 2009 18:16:36 -0700
parents 98cb887364d3
children 046932b72aa2
comparison
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580:ce2272390558 628:7bb995fbd3c0
388 // also gather the end of the first split and the start of the 2nd split. 388 // also gather the end of the first split and the start of the 2nd split.
389 bool policy_range_check( PhaseIdealLoop *phase ) const; 389 bool policy_range_check( PhaseIdealLoop *phase ) const;
390 390
391 // Return TRUE or FALSE if the loop should be cache-line aligned. 391 // Return TRUE or FALSE if the loop should be cache-line aligned.
392 // Gather the expression that does the alignment. Note that only 392 // Gather the expression that does the alignment. Note that only
393 // one array base can be aligned in a loop (unless the VM guarentees 393 // one array base can be aligned in a loop (unless the VM guarantees
394 // mutual alignment). Note that if we vectorize short memory ops 394 // mutual alignment). Note that if we vectorize short memory ops
395 // into longer memory ops, we may want to increase alignment. 395 // into longer memory ops, we may want to increase alignment.
396 bool policy_align( PhaseIdealLoop *phase ) const; 396 bool policy_align( PhaseIdealLoop *phase ) const;
397 397
398 // Compute loop trip count from profile data 398 // Compute loop trip count from profile data
401 // Reassociate invariant expressions. 401 // Reassociate invariant expressions.
402 void reassociate_invariants(PhaseIdealLoop *phase); 402 void reassociate_invariants(PhaseIdealLoop *phase);
403 // Reassociate invariant add and subtract expressions. 403 // Reassociate invariant add and subtract expressions.
404 Node* reassociate_add_sub(Node* n1, PhaseIdealLoop *phase); 404 Node* reassociate_add_sub(Node* n1, PhaseIdealLoop *phase);
405 // Return nonzero index of invariant operand if invariant and variant 405 // Return nonzero index of invariant operand if invariant and variant
406 // are combined with an Add or Sub. Helper for reassoicate_invariants. 406 // are combined with an Add or Sub. Helper for reassociate_invariants.
407 int is_invariant_addition(Node* n, PhaseIdealLoop *phase); 407 int is_invariant_addition(Node* n, PhaseIdealLoop *phase);
408 408
409 // Return true if n is invariant 409 // Return true if n is invariant
410 bool is_invariant(Node* n) const; 410 bool is_invariant(Node* n) const;
411 411