210 }
211
212 void LIRGenerator::increment_counter(LIR_Address* addr, int step) {
213 __ add((LIR_Opr)addr, LIR_OprFact::intConst(step), (LIR_Opr)addr);
214 }
215
216 void LIRGenerator::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) {
217 LIR_Opr scratch = FrameMap::Z_R1_opr;
218 __ load(new LIR_Address(base, disp, T_INT), scratch, info);
219 __ cmp(condition, scratch, c);
220 }
221
222 void LIRGenerator::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Opr base, int disp, BasicType type, CodeEmitInfo* info) {
223 __ cmp_reg_mem(condition, reg, new LIR_Address(base, disp, type), info);
224 }
225
226 bool LIRGenerator::strength_reduce_multiply(LIR_Opr left, int c, LIR_Opr result, LIR_Opr tmp) {
227 if (tmp->is_valid()) {
228 if (is_power_of_2(c + 1)) {
229 __ move(left, tmp);
230 __ shift_left(left, log2_intptr(c + 1), left);
231 __ sub(left, tmp, result);
232 return true;
233 } else if (is_power_of_2(c - 1)) {
234 __ move(left, tmp);
235 __ shift_left(left, log2_intptr(c - 1), left);
236 __ add(left, tmp, result);
237 return true;
238 }
239 }
240 return false;
241 }
242
243 void LIRGenerator::store_stack_parameter (LIR_Opr item, ByteSize offset_from_sp) {
244 BasicType type = item->type();
245 __ store(item, new LIR_Address(FrameMap::Z_SP_opr, in_bytes(offset_from_sp), type));
246 }
247
248 //----------------------------------------------------------------------
249 // visitor functions
250 //----------------------------------------------------------------------
251
252 void LIRGenerator::array_store_check(LIR_Opr value, LIR_Opr array, CodeEmitInfo* store_check_info, ciMethod* profiled_method, int profiled_bci) {
253 LIR_Opr tmp1 = new_register(objectType);
254 LIR_Opr tmp2 = new_register(objectType);
255 LIR_Opr tmp3 = LIR_OprFact::illegalOpr;
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210 }
211
212 void LIRGenerator::increment_counter(LIR_Address* addr, int step) {
213 __ add((LIR_Opr)addr, LIR_OprFact::intConst(step), (LIR_Opr)addr);
214 }
215
216 void LIRGenerator::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) {
217 LIR_Opr scratch = FrameMap::Z_R1_opr;
218 __ load(new LIR_Address(base, disp, T_INT), scratch, info);
219 __ cmp(condition, scratch, c);
220 }
221
222 void LIRGenerator::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Opr base, int disp, BasicType type, CodeEmitInfo* info) {
223 __ cmp_reg_mem(condition, reg, new LIR_Address(base, disp, type), info);
224 }
225
226 bool LIRGenerator::strength_reduce_multiply(LIR_Opr left, int c, LIR_Opr result, LIR_Opr tmp) {
227 if (tmp->is_valid()) {
228 if (is_power_of_2(c + 1)) {
229 __ move(left, tmp);
230 __ shift_left(left, log2_int(c + 1), left);
231 __ sub(left, tmp, result);
232 return true;
233 } else if (is_power_of_2(c - 1)) {
234 __ move(left, tmp);
235 __ shift_left(left, log2_int(c - 1), left);
236 __ add(left, tmp, result);
237 return true;
238 }
239 }
240 return false;
241 }
242
243 void LIRGenerator::store_stack_parameter (LIR_Opr item, ByteSize offset_from_sp) {
244 BasicType type = item->type();
245 __ store(item, new LIR_Address(FrameMap::Z_SP_opr, in_bytes(offset_from_sp), type));
246 }
247
248 //----------------------------------------------------------------------
249 // visitor functions
250 //----------------------------------------------------------------------
251
252 void LIRGenerator::array_store_check(LIR_Opr value, LIR_Opr array, CodeEmitInfo* store_check_info, ciMethod* profiled_method, int profiled_bci) {
253 LIR_Opr tmp1 = new_register(objectType);
254 LIR_Opr tmp2 = new_register(objectType);
255 LIR_Opr tmp3 = LIR_OprFact::illegalOpr;
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