Mercurial > hg > truffle

comparison src/share/vm/c1/c1_CodeStubs.hpp @ 8860:46f6f063b272

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
7153771: array bound check elimination for c1 Summary: when possible optimize out array bound checks, inserting predicates when needed. Reviewed-by: never, kvn, twisti Contributed-by: thomaswue <thomas.wuerthinger@oracle.com>
author roland
date Thu, 21 Mar 2013 09:27:54 +0100
parents db9981fd3124
children f98f5d48f511
comparison
equal deleted inserted replaced
8780:98f3af397705 8860:46f6f063b272
164 #ifndef PRODUCT 164 #ifndef PRODUCT
165 virtual void print_name(outputStream* out) const { out->print("RangeCheckStub"); } 165 virtual void print_name(outputStream* out) const { out->print("RangeCheckStub"); }
166 #endif // PRODUCT 166 #endif // PRODUCT
167 }; 167 };
168 168
169 // stub used when predicate fails and deoptimization is needed
170 class PredicateFailedStub: public CodeStub {
171 private:
172 CodeEmitInfo* _info;
173
174 public:
175 PredicateFailedStub(CodeEmitInfo* info);
176 virtual void emit_code(LIR_Assembler* e);
177 virtual CodeEmitInfo* info() const { return _info; }
178 virtual void visit(LIR_OpVisitState* visitor) {
179 visitor->do_slow_case(_info);
180 }
181 #ifndef PRODUCT
182 virtual void print_name(outputStream* out) const { out->print("PredicateFailedStub"); }
183 #endif // PRODUCT
184 };
169 185
170 class DivByZeroStub: public CodeStub { 186 class DivByZeroStub: public CodeStub {
171 private: 187 private:
172 CodeEmitInfo* _info; 188 CodeEmitInfo* _info;
173 int _offset; 189 int _offset;