Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/ppc/vm/macroAssembler_ppc.cpp
src/cpu/ppc/vm/macroAssembler_ppc.cpp
- changeset 7222
- f6bde7889409
- parent 6515
- 71a71b0bc844
- child 7358
- 327e7269f90d
equal
deleted
inserted
replaced
| 7221:43ce58b4717b | 7222:f6bde7889409 |
|---|---|
| 2363 bind(filtered_int); | 2363 bind(filtered_int); |
| 2364 } | 2364 } |
| 2365 #endif // INCLUDE_ALL_GCS | 2365 #endif // INCLUDE_ALL_GCS |
| 2366 | 2366 |
| 2367 // Values for last_Java_pc, and last_Java_sp must comply to the rules | 2367 // Values for last_Java_pc, and last_Java_sp must comply to the rules |
| 2368 // in frame_ppc64.hpp. | 2368 // in frame_ppc.hpp. |
| 2369 void MacroAssembler::set_last_Java_frame(Register last_Java_sp, Register last_Java_pc) { | 2369 void MacroAssembler::set_last_Java_frame(Register last_Java_sp, Register last_Java_pc) { |
| 2370 // Always set last_Java_pc and flags first because once last_Java_sp | 2370 // Always set last_Java_pc and flags first because once last_Java_sp |
| 2371 // is visible has_last_Java_frame is true and users will look at the | 2371 // is visible has_last_Java_frame is true and users will look at the |
| 2372 // rest of the fields. (Note: flags should always be zero before we | 2372 // rest of the fields. (Note: flags should always be zero before we |
| 2373 // get here so doesn't need to be set.) | 2373 // get here so doesn't need to be set.) |
| 2490 if (Universe::narrow_klass_base() != 0) num_instrs = 7; // shift + load const + add | 2490 if (Universe::narrow_klass_base() != 0) num_instrs = 7; // shift + load const + add |
| 2491 return num_instrs * BytesPerInstWord; | 2491 return num_instrs * BytesPerInstWord; |
| 2492 } | 2492 } |
| 2493 | 2493 |
| 2494 void MacroAssembler::decode_klass_not_null(Register dst, Register src) { | 2494 void MacroAssembler::decode_klass_not_null(Register dst, Register src) { |
| 2495 assert(dst != R0, "Dst reg may not be R0, as R0 is used here."); | |
| 2495 if (src == noreg) src = dst; | 2496 if (src == noreg) src = dst; |
| 2496 Register shifted_src = src; | 2497 Register shifted_src = src; |
| 2497 if (Universe::narrow_klass_shift() != 0 || | 2498 if (Universe::narrow_klass_shift() != 0 || |
| 2498 Universe::narrow_klass_base() == 0 && src != dst) { // Move required. | 2499 Universe::narrow_klass_base() == 0 && src != dst) { // Move required. |
| 2499 shifted_src = dst; | 2500 shifted_src = dst; |
| 2524 load_klass(dst, src); | 2525 load_klass(dst, src); |
| 2525 } | 2526 } |
| 2526 | 2527 |
| 2527 void MacroAssembler::reinit_heapbase(Register d, Register tmp) { | 2528 void MacroAssembler::reinit_heapbase(Register d, Register tmp) { |
| 2528 if (Universe::heap() != NULL) { | 2529 if (Universe::heap() != NULL) { |
| 2529 if (Universe::narrow_oop_base() == NULL) { | 2530 load_const_optimized(R30, Universe::narrow_ptrs_base(), tmp); |
| 2530 Assembler::xorr(R30, R30, R30); | |
| 2531 } else { | |
| 2532 load_const(R30, Universe::narrow_ptrs_base(), tmp); | |
| 2533 } | |
| 2534 } else { | 2531 } else { |
| 2535 load_const(R30, Universe::narrow_ptrs_base_addr(), tmp); | 2532 // Heap not yet allocated. Load indirectly. |
| 2536 ld(R30, 0, R30); | 2533 int simm16_offset = load_const_optimized(R30, Universe::narrow_ptrs_base_addr(), tmp, true); |
| 2534 ld(R30, simm16_offset, R30); | |
| 2537 } | 2535 } |
| 2538 } | 2536 } |
| 2539 | 2537 |
| 2540 // Clear Array | 2538 // Clear Array |
| 2541 // Kills both input registers. tmp == R0 is allowed. | 2539 // Kills both input registers. tmp == R0 is allowed. |
