Mercurial > hg > truffle

comparison src/cpu/x86/vm/templateTable_x86_32.cpp @ 622:56aae7be60d4

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
6812678: macro assembler needs delayed binding of a few constants (for 6655638) Summary: minor assembler enhancements preparing for method handles Reviewed-by: kvn
author jrose
date Wed, 04 Mar 2009 09:58:39 -0800
parents 98cb887364d3
children 9adddb8c0fc8
comparison
equal deleted inserted replaced
621:19f25e603e7b 622:56aae7be60d4
294 } 294 }
295 295
296 296
297 void TemplateTable::sipush() { 297 void TemplateTable::sipush() {
298 transition(vtos, itos); 298 transition(vtos, itos);
299 __ load_unsigned_word(rax, at_bcp(1)); 299 __ load_unsigned_short(rax, at_bcp(1));
300 __ bswapl(rax); 300 __ bswapl(rax);
301 __ sarl(rax, 16); 301 __ sarl(rax, 16);
302 } 302 }
303 303
304 void TemplateTable::ldc(bool wide) { 304 void TemplateTable::ldc(bool wide) {
660 transition(itos, itos); 660 transition(itos, itos);
661 // rdx: array 661 // rdx: array
662 index_check(rdx, rax); // kills rbx, 662 index_check(rdx, rax); // kills rbx,
663 // rax,: index 663 // rax,: index
664 // can do better code for P5 - may want to improve this at some point 664 // can do better code for P5 - may want to improve this at some point
665 __ load_unsigned_word(rbx, Address(rdx, rax, Address::times_2, arrayOopDesc::base_offset_in_bytes(T_CHAR))); 665 __ load_unsigned_short(rbx, Address(rdx, rax, Address::times_2, arrayOopDesc::base_offset_in_bytes(T_CHAR)));
666 __ mov(rax, rbx); 666 __ mov(rax, rbx);
667 } 667 }
668 668
669 // iload followed by caload frequent pair 669 // iload followed by caload frequent pair
670 void TemplateTable::fast_icaload() { 670 void TemplateTable::fast_icaload() {
675 debug_only(__ verify_local_tag(frame::TagValue, rbx)); 675 debug_only(__ verify_local_tag(frame::TagValue, rbx));
676 676
677 // rdx: array 677 // rdx: array
678 index_check(rdx, rax); 678 index_check(rdx, rax);
679 // rax,: index 679 // rax,: index
680 __ load_unsigned_word(rbx, Address(rdx, rax, Address::times_2, arrayOopDesc::base_offset_in_bytes(T_CHAR))); 680 __ load_unsigned_short(rbx, Address(rdx, rax, Address::times_2, arrayOopDesc::base_offset_in_bytes(T_CHAR)));
681 __ mov(rax, rbx); 681 __ mov(rax, rbx);
682 } 682 }
683 683
684 void TemplateTable::saload() { 684 void TemplateTable::saload() {
685 transition(itos, itos); 685 transition(itos, itos);
686 // rdx: array 686 // rdx: array
687 index_check(rdx, rax); // kills rbx, 687 index_check(rdx, rax); // kills rbx,
688 // rax,: index 688 // rax,: index
689 // can do better code for P5 - may want to improve this at some point 689 // can do better code for P5 - may want to improve this at some point
690 __ load_signed_word(rbx, Address(rdx, rax, Address::times_2, arrayOopDesc::base_offset_in_bytes(T_SHORT))); 690 __ load_signed_short(rbx, Address(rdx, rax, Address::times_2, arrayOopDesc::base_offset_in_bytes(T_SHORT)));
691 __ mov(rax, rbx); 691 __ mov(rax, rbx);
692 } 692 }
693 693
694 694
695 void TemplateTable::iload(int n) { 695 void TemplateTable::iload(int n) {
2308 __ bind(notObj); 2308 __ bind(notObj);
2309 // ctos 2309 // ctos
2310 __ cmpl(flags, ctos ); 2310 __ cmpl(flags, ctos );
2311 __ jcc(Assembler::notEqual, notChar); 2311 __ jcc(Assembler::notEqual, notChar);
2312 2312
2313 __ load_unsigned_word(rax, lo ); 2313 __ load_unsigned_short(rax, lo );
2314 __ push(ctos); 2314 __ push(ctos);
2315 if (!is_static) { 2315 if (!is_static) {
2316 patch_bytecode(Bytecodes::_fast_cgetfield, rcx, rbx); 2316 patch_bytecode(Bytecodes::_fast_cgetfield, rcx, rbx);
2317 } 2317 }
2318 __ jmp(Done); 2318 __ jmp(Done);
2320 __ bind(notChar); 2320 __ bind(notChar);
2321 // stos 2321 // stos
2322 __ cmpl(flags, stos ); 2322 __ cmpl(flags, stos );
2323 __ jcc(Assembler::notEqual, notShort); 2323 __ jcc(Assembler::notEqual, notShort);
2324 2324
2325 __ load_signed_word(rax, lo ); 2325 __ load_signed_short(rax, lo );
2326 __ push(stos); 2326 __ push(stos);
2327 if (!is_static) { 2327 if (!is_static) {
2328 patch_bytecode(Bytecodes::_fast_sgetfield, rcx, rbx); 2328 patch_bytecode(Bytecodes::_fast_sgetfield, rcx, rbx);
2329 } 2329 }
2330 __ jmp(Done); 2330 __ jmp(Done);
2828 const Address hi = Address(rax, rbx, Address::times_1, 1*wordSize); 2828 const Address hi = Address(rax, rbx, Address::times_1, 1*wordSize);
2829 2829
2830 // access field 2830 // access field
2831 switch (bytecode()) { 2831 switch (bytecode()) {
2832 case Bytecodes::_fast_bgetfield: __ movsbl(rax, lo ); break; 2832 case Bytecodes::_fast_bgetfield: __ movsbl(rax, lo ); break;
2833 case Bytecodes::_fast_sgetfield: __ load_signed_word(rax, lo ); break; 2833 case Bytecodes::_fast_sgetfield: __ load_signed_short(rax, lo ); break;
2834 case Bytecodes::_fast_cgetfield: __ load_unsigned_word(rax, lo ); break; 2834 case Bytecodes::_fast_cgetfield: __ load_unsigned_short(rax, lo ); break;
2835 case Bytecodes::_fast_igetfield: __ movl(rax, lo); break; 2835 case Bytecodes::_fast_igetfield: __ movl(rax, lo); break;
2836 case Bytecodes::_fast_lgetfield: __ stop("should not be rewritten"); break; 2836 case Bytecodes::_fast_lgetfield: __ stop("should not be rewritten"); break;
2837 case Bytecodes::_fast_fgetfield: __ fld_s(lo); break; 2837 case Bytecodes::_fast_fgetfield: __ fld_s(lo); break;
2838 case Bytecodes::_fast_dgetfield: __ fld_d(lo); break; 2838 case Bytecodes::_fast_dgetfield: __ fld_d(lo); break;
2839 case Bytecodes::_fast_agetfield: __ movptr(rax, lo); __ verify_oop(rax); break; 2839 case Bytecodes::_fast_agetfield: __ movptr(rax, lo); __ verify_oop(rax); break;