Mercurial > hg > graal-jvmci-8

comparison src/cpu/sparc/vm/interp_masm_sparc.cpp @ 1579:e9ff18c4ace7

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Merge
author jrose
date Wed, 02 Jun 2010 22:45:42 -0700
parents c18cbe5936b8 ab102d5d923e
children d5d065957597
comparison
equal deleted inserted replaced
1562:dfe27f03244a 1579:e9ff18c4ace7
718 if (should_set_CC == set_CC) tst(Rdst); 718 if (should_set_CC == set_CC) tst(Rdst);
719 } 719 }
720 720
721 721
722 void InterpreterMacroAssembler::get_cache_index_at_bcp(Register cache, Register tmp, 722 void InterpreterMacroAssembler::get_cache_index_at_bcp(Register cache, Register tmp,
723 int bcp_offset, bool giant_index) { 723 int bcp_offset, size_t index_size) {
724 assert(bcp_offset > 0, "bcp is still pointing to start of bytecode"); 724 assert(bcp_offset > 0, "bcp is still pointing to start of bytecode");
725 if (!giant_index) { 725 if (index_size == sizeof(u2)) {
726 get_2_byte_integer_at_bcp(bcp_offset, cache, tmp, Unsigned); 726 get_2_byte_integer_at_bcp(bcp_offset, cache, tmp, Unsigned);
727 } else { 727 } else if (index_size == sizeof(u4)) {
728 assert(EnableInvokeDynamic, "giant index used only for EnableInvokeDynamic"); 728 assert(EnableInvokeDynamic, "giant index used only for EnableInvokeDynamic");
729 get_4_byte_integer_at_bcp(bcp_offset, cache, tmp); 729 get_4_byte_integer_at_bcp(bcp_offset, cache, tmp);
730 assert(constantPoolCacheOopDesc::decode_secondary_index(~123) == 123, "else change next line"); 730 assert(constantPoolCacheOopDesc::decode_secondary_index(~123) == 123, "else change next line");
731 xor3(tmp, -1, tmp); // convert to plain index 731 xor3(tmp, -1, tmp); // convert to plain index
732 } else if (index_size == sizeof(u1)) {
733 assert(EnableMethodHandles, "tiny index used only for EnableMethodHandles");
734 ldub(Lbcp, bcp_offset, tmp);
735 } else {
736 ShouldNotReachHere();
732 } 737 }
733 } 738 }
734 739
735 740
736 void InterpreterMacroAssembler::get_cache_and_index_at_bcp(Register cache, Register tmp, 741 void InterpreterMacroAssembler::get_cache_and_index_at_bcp(Register cache, Register tmp,
737 int bcp_offset, bool giant_index) { 742 int bcp_offset, size_t index_size) {
738 assert(bcp_offset > 0, "bcp is still pointing to start of bytecode"); 743 assert(bcp_offset > 0, "bcp is still pointing to start of bytecode");
739 assert_different_registers(cache, tmp); 744 assert_different_registers(cache, tmp);
740 assert_not_delayed(); 745 assert_not_delayed();
741 get_cache_index_at_bcp(cache, tmp, bcp_offset, giant_index); 746 get_cache_index_at_bcp(cache, tmp, bcp_offset, index_size);
742 // convert from field index to ConstantPoolCacheEntry index and from 747 // convert from field index to ConstantPoolCacheEntry index and from
743 // word index to byte offset 748 // word index to byte offset
744 sll(tmp, exact_log2(in_words(ConstantPoolCacheEntry::size()) * BytesPerWord), tmp); 749 sll(tmp, exact_log2(in_words(ConstantPoolCacheEntry::size()) * BytesPerWord), tmp);
745 add(LcpoolCache, tmp, cache); 750 add(LcpoolCache, tmp, cache);
746 } 751 }
747 752
748 753
749 void InterpreterMacroAssembler::get_cache_entry_pointer_at_bcp(Register cache, Register tmp, 754 void InterpreterMacroAssembler::get_cache_entry_pointer_at_bcp(Register cache, Register tmp,
750 int bcp_offset, bool giant_index) { 755 int bcp_offset, size_t index_size) {
751 assert(bcp_offset > 0, "bcp is still pointing to start of bytecode"); 756 assert(bcp_offset > 0, "bcp is still pointing to start of bytecode");
752 assert_different_registers(cache, tmp); 757 assert_different_registers(cache, tmp);
753 assert_not_delayed(); 758 assert_not_delayed();
754 assert(!giant_index,"NYI"); 759 if (index_size == sizeof(u2)) {
755 get_2_byte_integer_at_bcp(bcp_offset, cache, tmp, Unsigned); 760 get_2_byte_integer_at_bcp(bcp_offset, cache, tmp, Unsigned);
761 } else {
762 ShouldNotReachHere(); // other sizes not supported here
763 }
756 // convert from field index to ConstantPoolCacheEntry index 764 // convert from field index to ConstantPoolCacheEntry index
757 // and from word index to byte offset 765 // and from word index to byte offset
758 sll(tmp, exact_log2(in_words(ConstantPoolCacheEntry::size()) * BytesPerWord), tmp); 766 sll(tmp, exact_log2(in_words(ConstantPoolCacheEntry::size()) * BytesPerWord), tmp);
759 // skip past the header 767 // skip past the header
760 add(tmp, in_bytes(constantPoolCacheOopDesc::base_offset()), tmp); 768 add(tmp, in_bytes(constantPoolCacheOopDesc::base_offset()), tmp);