Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/ppc/vm/macroAssembler_ppc.cpp
src/cpu/ppc/vm/macroAssembler_ppc.cpp
- changeset 6477
- eb178e97560c
- parent 6474
- a0d02bb625e2
- child 6486
- b0133e4187d3
equal
deleted
inserted
replaced
| 6476:600acc4b8b1e | 6477:eb178e97560c |
|---|---|
| 2380 } | 2380 } |
| 2381 | 2381 |
| 2382 | 2382 |
| 2383 void MacroAssembler::encode_klass_not_null(Register dst, Register src) { | 2383 void MacroAssembler::encode_klass_not_null(Register dst, Register src) { |
| 2384 if (src == noreg) src = dst; | 2384 if (src == noreg) src = dst; |
| 2385 assert(Universe::narrow_klass_base() != NULL, "Base should be initialized"); | 2385 if (Universe::narrow_klass_base() != 0) { |
| 2386 load_const(R0, Universe::narrow_klass_base()); | 2386 load_const(R0, Universe::narrow_klass_base()); |
| 2387 sub(dst, src, R0); | 2387 sub(dst, src, R0); |
| 2388 if (Universe::narrow_klass_shift() != 0) { | 2388 } |
| 2389 if (Universe::narrow_klass_shift() != 0 || | |
| 2390 Universe::narrow_klass_base() == 0 && src != dst) { // Move required. | |
| 2389 srdi(dst, src, Universe::narrow_klass_shift()); | 2391 srdi(dst, src, Universe::narrow_klass_shift()); |
| 2390 } | 2392 } |
| 2391 } | 2393 } |
| 2392 | 2394 |
| 2393 void MacroAssembler::store_klass(Register dst_oop, Register klass, Register ck) { | 2395 void MacroAssembler::store_klass(Register dst_oop, Register klass, Register ck) { |
| 2397 } else { | 2399 } else { |
| 2398 std(klass, oopDesc::klass_offset_in_bytes(), dst_oop); | 2400 std(klass, oopDesc::klass_offset_in_bytes(), dst_oop); |
| 2399 } | 2401 } |
| 2400 } | 2402 } |
| 2401 | 2403 |
| 2404 int MacroAssembler::instr_size_for_decode_klass_not_null() { | |
| 2405 if (!UseCompressedClassPointers) return 0; | |
| 2406 int num_instrs = 1; // shift or move | |
| 2407 if (Universe::narrow_klass_base() != 0) num_instrs = 7; // shift + load const + add | |
| 2408 return num_instrs * BytesPerInstWord; | |
| 2409 } | |
| 2410 | |
| 2402 void MacroAssembler::decode_klass_not_null(Register dst, Register src) { | 2411 void MacroAssembler::decode_klass_not_null(Register dst, Register src) { |
| 2403 if (src == noreg) src = dst; | 2412 if (src == noreg) src = dst; |
| 2404 Register shifted_src = src; | 2413 Register shifted_src = src; |
| 2405 assert(Universe::narrow_klass_base() != NULL, "Base should be initialized"); | 2414 if (Universe::narrow_klass_shift() != 0 || |
| 2406 if (Universe::narrow_klass_shift() != 0) { | 2415 Universe::narrow_klass_base() == 0 && src != dst) { // Move required. |
| 2407 shifted_src = dst; | 2416 shifted_src = dst; |
| 2408 sldi(shifted_src, src, Universe::narrow_klass_shift()); | 2417 sldi(shifted_src, src, Universe::narrow_klass_shift()); |
| 2409 } | 2418 } |
| 2410 load_const(R0, Universe::narrow_klass_base()); | 2419 if (Universe::narrow_klass_base() != 0) { |
| 2411 add(dst, shifted_src, R0); | 2420 load_const(R0, Universe::narrow_klass_base()); |
| 2421 add(dst, shifted_src, R0); | |
| 2422 } | |
| 2412 } | 2423 } |
| 2413 | 2424 |
| 2414 void MacroAssembler::load_klass(Register dst, Register src) { | 2425 void MacroAssembler::load_klass(Register dst, Register src) { |
| 2415 if (UseCompressedClassPointers) { | 2426 if (UseCompressedClassPointers) { |
| 2416 lwz(dst, oopDesc::klass_offset_in_bytes(), src); | 2427 lwz(dst, oopDesc::klass_offset_in_bytes(), src); |
