Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/x86/vm/stubGenerator_x86_32.cpp
src/cpu/x86/vm/stubGenerator_x86_32.cpp
- changeset 454
- a73cc31728fe
- parent 451
- f8236e79048a
- child 684
- 910a4cb98e9e
- child 777
- 37f87013dfd8
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replaced
| 453:c7d713375c94 | 454:a73cc31728fe |
|---|---|
| 1414 &L_store_element, NULL); | 1414 &L_store_element, NULL); |
| 1415 // (On fall-through, we have failed the element type check.) | 1415 // (On fall-through, we have failed the element type check.) |
| 1416 // ======== end loop ======== | 1416 // ======== end loop ======== |
| 1417 | 1417 |
| 1418 // It was a real error; we must depend on the caller to finish the job. | 1418 // It was a real error; we must depend on the caller to finish the job. |
| 1419 // Register rdx = -1 * number of *remaining* oops, r14 = *total* oops. | 1419 // Register "count" = -1 * number of *remaining* oops, length_arg = *total* oops. |
| 1420 // Emit GC store barriers for the oops we have copied (r14 + rdx), | 1420 // Emit GC store barriers for the oops we have copied (length_arg + count), |
| 1421 // and report their number to the caller. | 1421 // and report their number to the caller. |
| 1422 __ addl(count, length_arg); // transfers = (length - remaining) | 1422 __ addl(count, length_arg); // transfers = (length - remaining) |
| 1423 __ movl(rax, count); // save the value | 1423 __ movl(rax, count); // save the value |
| 1424 __ notl(rax); // report (-1^K) to caller | 1424 __ notl(rax); // report (-1^K) to caller |
| 1425 __ movl(to, to_arg); // reload | 1425 __ movl(to, to_arg); // reload |
| 1428 __ jmpb(L_done); | 1428 __ jmpb(L_done); |
| 1429 | 1429 |
| 1430 // Come here on success only. | 1430 // Come here on success only. |
| 1431 __ BIND(L_do_card_marks); | 1431 __ BIND(L_do_card_marks); |
| 1432 __ movl(count, length_arg); | 1432 __ movl(count, length_arg); |
| 1433 __ movl(to, to_arg); // reload | |
| 1433 gen_write_ref_array_post_barrier(to, count); | 1434 gen_write_ref_array_post_barrier(to, count); |
| 1434 __ xorl(rax, rax); // return 0 on success | 1435 __ xorl(rax, rax); // return 0 on success |
| 1435 | 1436 |
| 1436 // Common exit point (success or failure). | 1437 // Common exit point (success or failure). |
| 1437 __ BIND(L_done); | 1438 __ BIND(L_done); |
