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comparison src/share/vm/opto/type.hpp @ 145:f3de1255b035

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6603011: RFE: Optimize long division Summary: Transform long division by constant into multiply Reviewed-by: never, kvn
author rasbold
date Wed, 07 May 2008 08:06:46 -0700
parents ba764ed4b6f2
children 885ed790ecf0
comparison
equal deleted inserted replaced
132:60b728ec77c1 145:f3de1255b035
440 // must always specify w 440 // must always specify w
441 static const TypeLong *make(jlong lo, jlong hi, int w); 441 static const TypeLong *make(jlong lo, jlong hi, int w);
442 442
443 // Check for single integer 443 // Check for single integer
444 int is_con() const { return _lo==_hi; } 444 int is_con() const { return _lo==_hi; }
445 bool is_con(int i) const { return is_con() && _lo == i; }
445 jlong get_con() const { assert( is_con(), "" ); return _lo; } 446 jlong get_con() const { assert( is_con(), "" ); return _lo; }
446 447
447 virtual bool is_finite() const; // Has a finite value 448 virtual bool is_finite() const; // Has a finite value
448 449
449 virtual const Type *xmeet( const Type *t ) const; 450 virtual const Type *xmeet( const Type *t ) const;