268 LIR_Opr temp = new_register(addr->type());
269 __ move(addr, temp);
270 __ add(temp, load_immediate(step, addr->type()), temp);
271 __ move(temp, addr);
272 }
273
274 void LIRGenerator::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) {
275 LIR_Opr o7opr = FrameMap::O7_opr;
276 __ load(new LIR_Address(base, disp, T_INT), o7opr, info);
277 __ cmp(condition, o7opr, c);
278 }
279
280
281 void LIRGenerator::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Opr base, int disp, BasicType type, CodeEmitInfo* info) {
282 LIR_Opr o7opr = FrameMap::O7_opr;
283 __ load(new LIR_Address(base, disp, type), o7opr, info);
284 __ cmp(condition, reg, o7opr);
285 }
286
287
288 void LIRGenerator::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Opr base, LIR_Opr disp, BasicType type, CodeEmitInfo* info) {
289 LIR_Opr o7opr = FrameMap::O7_opr;
290 __ load(new LIR_Address(base, disp, type), o7opr, info);
291 __ cmp(condition, reg, o7opr);
292 }
293
294
295 bool LIRGenerator::strength_reduce_multiply(LIR_Opr left, int c, LIR_Opr result, LIR_Opr tmp) {
296 assert(left != result, "should be different registers");
297 if (is_power_of_2(c + 1)) {
298 __ shift_left(left, log2_intptr(c + 1), result);
299 __ sub(result, left, result);
300 return true;
301 } else if (is_power_of_2(c - 1)) {
302 __ shift_left(left, log2_intptr(c - 1), result);
303 __ add(result, left, result);
304 return true;
305 }
306 return false;
307 }
308
309
310 void LIRGenerator::store_stack_parameter (LIR_Opr item, ByteSize offset_from_sp) {
311 BasicType t = item->type();
312 LIR_Opr sp_opr = FrameMap::SP_opr;
313 if ((t == T_LONG || t == T_DOUBLE) &&
314 ((in_bytes(offset_from_sp) - STACK_BIAS) % 8 != 0)) {
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268 LIR_Opr temp = new_register(addr->type());
269 __ move(addr, temp);
270 __ add(temp, load_immediate(step, addr->type()), temp);
271 __ move(temp, addr);
272 }
273
274 void LIRGenerator::cmp_mem_int(LIR_Condition condition, LIR_Opr base, int disp, int c, CodeEmitInfo* info) {
275 LIR_Opr o7opr = FrameMap::O7_opr;
276 __ load(new LIR_Address(base, disp, T_INT), o7opr, info);
277 __ cmp(condition, o7opr, c);
278 }
279
280
281 void LIRGenerator::cmp_reg_mem(LIR_Condition condition, LIR_Opr reg, LIR_Opr base, int disp, BasicType type, CodeEmitInfo* info) {
282 LIR_Opr o7opr = FrameMap::O7_opr;
283 __ load(new LIR_Address(base, disp, type), o7opr, info);
284 __ cmp(condition, reg, o7opr);
285 }
286
287
288 bool LIRGenerator::strength_reduce_multiply(LIR_Opr left, int c, LIR_Opr result, LIR_Opr tmp) {
289 assert(left != result, "should be different registers");
290 if (is_power_of_2(c + 1)) {
291 __ shift_left(left, log2_intptr(c + 1), result);
292 __ sub(result, left, result);
293 return true;
294 } else if (is_power_of_2(c - 1)) {
295 __ shift_left(left, log2_intptr(c - 1), result);
296 __ add(result, left, result);
297 return true;
298 }
299 return false;
300 }
301
302
303 void LIRGenerator::store_stack_parameter (LIR_Opr item, ByteSize offset_from_sp) {
304 BasicType t = item->type();
305 LIR_Opr sp_opr = FrameMap::SP_opr;
306 if ((t == T_LONG || t == T_DOUBLE) &&
307 ((in_bytes(offset_from_sp) - STACK_BIAS) % 8 != 0)) {
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