Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/cpu/sparc/vm/c1_Runtime1_sparc.cpp
src/cpu/sparc/vm/c1_Runtime1_sparc.cpp
- changeset 1079
- c517646eef23
- parent 777
- 37f87013dfd8
- child 1162
- 6b2273dd6fa9
equal
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inserted
replaced
| 1078:c771b7f43bbf | 1079:c517646eef23 |
|---|---|
| 712 // | 712 // |
| 713 // ret : G3 | 713 // ret : G3 |
| 714 // sub : G3, argument, destroyed | 714 // sub : G3, argument, destroyed |
| 715 // super: G1, argument, not changed | 715 // super: G1, argument, not changed |
| 716 // raddr: O7, blown by call | 716 // raddr: O7, blown by call |
| 717 Label loop, miss; | 717 Label miss; |
| 718 | 718 |
| 719 __ save_frame(0); // Blow no registers! | 719 __ save_frame(0); // Blow no registers! |
| 720 | 720 |
| 721 __ ld_ptr( G3, sizeof(oopDesc) + Klass::secondary_supers_offset_in_bytes(), L3 ); | 721 __ check_klass_subtype_slow_path(G3, G1, L0, L1, L2, L4, NULL, &miss); |
| 722 __ lduw(L3,arrayOopDesc::length_offset_in_bytes(),L0); // length in l0 | |
| 723 __ add(L3,arrayOopDesc::base_offset_in_bytes(T_OBJECT),L1); // ptr into array | |
| 724 __ clr(L4); // Index | |
| 725 // Load a little early; will load 1 off the end of the array. | |
| 726 // Ok for now; revisit if we have other uses of this routine. | |
| 727 __ ld_ptr(L1,0,L2); // Will load a little early | |
| 728 | |
| 729 // The scan loop | |
| 730 __ bind(loop); | |
| 731 __ add(L1,wordSize,L1); // Bump by OOP size | |
| 732 __ cmp(L4,L0); | |
| 733 __ br(Assembler::equal,false,Assembler::pn,miss); | |
| 734 __ delayed()->inc(L4); // Bump index | |
| 735 __ subcc(L2,G1,L3); // Check for match; zero in L3 for a hit | |
| 736 __ brx( Assembler::notEqual, false, Assembler::pt, loop ); | |
| 737 __ delayed()->ld_ptr(L1,0,L2); // Will load a little early | |
| 738 | |
| 739 // Got a hit; report success; set cache | |
| 740 __ st_ptr( G1, G3, sizeof(oopDesc) + Klass::secondary_super_cache_offset_in_bytes() ); | |
| 741 | 722 |
| 742 __ mov(1, G3); | 723 __ mov(1, G3); |
| 743 __ ret(); // Result in G5 is ok; flags set | 724 __ ret(); // Result in G5 is 'true' |
| 744 __ delayed()->restore(); // free copy or add can go here | 725 __ delayed()->restore(); // free copy or add can go here |
| 745 | 726 |
| 746 __ bind(miss); | 727 __ bind(miss); |
| 747 __ mov(0, G3); | 728 __ mov(0, G3); |
| 748 __ ret(); // Result in G5 is ok; flags set | 729 __ ret(); // Result in G5 is 'false' |
| 749 __ delayed()->restore(); // free copy or add can go here | 730 __ delayed()->restore(); // free copy or add can go here |
| 750 } | 731 } |
| 751 | 732 |
| 752 case monitorenter_nofpu_id: | 733 case monitorenter_nofpu_id: |
| 753 case monitorenter_id: | 734 case monitorenter_id: |
