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src/hotspot/cpu/x86/c1_LIRGenerator_x86.cpp

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 227 
 228 
 229 void LIRGenerator::increment_counter(LIR_Address* addr, int step) {
 230   __ add((LIR_Opr)addr, LIR_OprFact::intConst(step), (LIR_Opr)addr);
 231 }
 232 
 233 void LIRGenerator::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) {
 234   __ cmp_mem_int(condition, base, disp, c, info);
 235 }
 236 
 237 
 238 void LIRGenerator::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Opr base, int disp, BasicType type, CodeEmitInfo* info) {
 239   __ cmp_reg_mem(condition, reg, new LIR_Address(base, disp, type), info);
 240 }
 241 
 242 
 243 bool LIRGenerator::strength_reduce_multiply(LIR_Opr left, jint c, LIR_Opr result, LIR_Opr tmp) {
 244   if (tmp->is_valid() && c > 0 && c < max_jint) {
 245     if (is_power_of_2(c + 1)) {
 246       __ move(left, tmp);
 247       __ shift_left(left, log2_intptr(c + 1), left);
 248       __ sub(left, tmp, result);
 249       return true;
 250     } else if (is_power_of_2(c - 1)) {
 251       __ move(left, tmp);
 252       __ shift_left(left, log2_intptr(c - 1), left);
 253       __ add(left, tmp, result);
 254       return true;
 255     }
 256   }
 257   return false;
 258 }
 259 
 260 
 261 void LIRGenerator::store_stack_parameter (LIR_Opr item, ByteSize offset_from_sp) {
 262   BasicType type = item->type();
 263   __ store(item, new LIR_Address(FrameMap::rsp_opr, in_bytes(offset_from_sp), type));
 264 }
 265 
 266 void LIRGenerator::array_store_check(LIR_Opr value, LIR_Opr array, CodeEmitInfo* store_check_info, ciMethod* profiled_method, int profiled_bci) {
 267   LIR_Opr tmp1 = new_register(objectType);
 268   LIR_Opr tmp2 = new_register(objectType);
 269   LIR_Opr tmp3 = new_register(objectType);
 270   __ store_check(value, array, tmp1, tmp2, tmp3, store_check_info, profiled_method, profiled_bci);
 271 }
 272 




 227 
 228 
 229 void LIRGenerator::increment_counter(LIR_Address* addr, int step) {
 230   __ add((LIR_Opr)addr, LIR_OprFact::intConst(step), (LIR_Opr)addr);
 231 }
 232 
 233 void LIRGenerator::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) {
 234   __ cmp_mem_int(condition, base, disp, c, info);
 235 }
 236 
 237 
 238 void LIRGenerator::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Opr base, int disp, BasicType type, CodeEmitInfo* info) {
 239   __ cmp_reg_mem(condition, reg, new LIR_Address(base, disp, type), info);
 240 }
 241 
 242 
 243 bool LIRGenerator::strength_reduce_multiply(LIR_Opr left, jint c, LIR_Opr result, LIR_Opr tmp) {
 244   if (tmp->is_valid() && c > 0 && c < max_jint) {
 245     if (is_power_of_2(c + 1)) {
 246       __ move(left, tmp);
 247       __ shift_left(left, log2_jint(c + 1), left);
 248       __ sub(left, tmp, result);
 249       return true;
 250     } else if (is_power_of_2(c - 1)) {
 251       __ move(left, tmp);
 252       __ shift_left(left, log2_jint(c - 1), left);
 253       __ add(left, tmp, result);
 254       return true;
 255     }
 256   }
 257   return false;
 258 }
 259 
 260 
 261 void LIRGenerator::store_stack_parameter (LIR_Opr item, ByteSize offset_from_sp) {
 262   BasicType type = item->type();
 263   __ store(item, new LIR_Address(FrameMap::rsp_opr, in_bytes(offset_from_sp), type));
 264 }
 265 
 266 void LIRGenerator::array_store_check(LIR_Opr value, LIR_Opr array, CodeEmitInfo* store_check_info, ciMethod* profiled_method, int profiled_bci) {
 267   LIR_Opr tmp1 = new_register(objectType);
 268   LIR_Opr tmp2 = new_register(objectType);
 269   LIR_Opr tmp3 = new_register(objectType);
 270   __ store_check(value, array, tmp1, tmp2, tmp3, store_check_info, profiled_method, profiled_bci);
 271 }
 272 


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