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comparison src/share/vm/opto/lcm.cpp @ 169:9148c65abefc

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6695049: (coll) Create an x86 intrinsic for Arrays.equals Summary: Intrinsify java/util/Arrays.equals(char[], char[]) Reviewed-by: kvn, never
author rasbold
date Thu, 29 May 2008 16:22:09 -0700
parents c436414a719e
children d1605aabd0a1 6aae2f9d0294
comparison
equal deleted inserted replaced
168:7793bd37a336 169:9148c65abefc
132 // If the value being nul-checked is in another slot, it means we 132 // If the value being nul-checked is in another slot, it means we
133 // are storing the checked value, which does NOT check the value! 133 // are storing the checked value, which does NOT check the value!
134 if( mach->in(2) != val ) continue; 134 if( mach->in(2) != val ) continue;
135 break; // Found a memory op? 135 break; // Found a memory op?
136 case Op_StrComp: 136 case Op_StrComp:
137 case Op_AryEq:
137 // Not a legit memory op for implicit null check regardless of 138 // Not a legit memory op for implicit null check regardless of
138 // embedded loads 139 // embedded loads
139 continue; 140 continue;
140 default: // Also check for embedded loads 141 default: // Also check for embedded loads
141 if( !mach->needs_anti_dependence_check() ) 142 if( !mach->needs_anti_dependence_check() )