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