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comparison src/share/vm/opto/lcm.cpp @ 681:fbde8ec322d0

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6761600: Use sse 4.2 in intrinsics Summary: Use SSE 4.2 in intrinsics for String.{compareTo/equals/indexOf} and Arrays.equals. Reviewed-by: kvn, never, jrose
author cfang
date Tue, 31 Mar 2009 14:07:08 -0700
parents bd441136a5ce
children f96a1a986f7b
comparison
equal deleted inserted replaced
676:d3676b4cb78c 681:fbde8ec322d0
135 // If the value being nul-checked is in another slot, it means we 135 // If the value being nul-checked is in another slot, it means we
136 // are storing the checked value, which does NOT check the value! 136 // are storing the checked value, which does NOT check the value!
137 if( mach->in(2) != val ) continue; 137 if( mach->in(2) != val ) continue;
138 break; // Found a memory op? 138 break; // Found a memory op?
139 case Op_StrComp: 139 case Op_StrComp:
140 case Op_StrEquals:
141 case Op_StrIndexOf:
140 case Op_AryEq: 142 case Op_AryEq:
141 // Not a legit memory op for implicit null check regardless of 143 // Not a legit memory op for implicit null check regardless of
142 // embedded loads 144 // embedded loads
143 continue; 145 continue;
144 default: // Also check for embedded loads 146 default: // Also check for embedded loads