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comparison src/share/vm/opto/phaseX.cpp @ 1017:e715b51789d8

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Merge
author cfang
date Fri, 16 Oct 2009 14:08:44 -0700
parents 89e0543e1737 03b336640699
children c18cbe5936b8
comparison
equal deleted inserted replaced
1005:a2ad635573fb 1017:e715b51789d8
1500 } 1500 }
1501 1501
1502 //---------------------------------saturate------------------------------------ 1502 //---------------------------------saturate------------------------------------
1503 const Type* PhaseCCP::saturate(const Type* new_type, const Type* old_type, 1503 const Type* PhaseCCP::saturate(const Type* new_type, const Type* old_type,
1504 const Type* limit_type) const { 1504 const Type* limit_type) const {
1505 const Type* wide_type = new_type->widen(old_type); 1505 const Type* wide_type = new_type->widen(old_type, limit_type);
1506 if (wide_type != new_type) { // did we widen? 1506 if (wide_type != new_type) { // did we widen?
1507 // If so, we may have widened beyond the limit type. Clip it back down. 1507 // If so, we may have widened beyond the limit type. Clip it back down.
1508 new_type = wide_type->filter(limit_type); 1508 new_type = wide_type->filter(limit_type);
1509 } 1509 }
1510 return new_type; 1510 return new_type;