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comparison src/cpu/x86/vm/templateTable_x86_64.cpp @ 622:56aae7be60d4

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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
305 __ load_signed_byte(rax, at_bcp(1)); 305 __ load_signed_byte(rax, at_bcp(1));
306 } 306 }
307 307
308 void TemplateTable::sipush() { 308 void TemplateTable::sipush() {
309 transition(vtos, itos); 309 transition(vtos, itos);
310 __ load_unsigned_word(rax, at_bcp(1)); 310 __ load_unsigned_short(rax, at_bcp(1));
311 __ bswapl(rax); 311 __ bswapl(rax);
312 __ sarl(rax, 16); 312 __ sarl(rax, 16);
313 } 313 }
314 314
315 void TemplateTable::ldc(bool wide) { 315 void TemplateTable::ldc(bool wide) {
643 transition(itos, itos); 643 transition(itos, itos);
644 __ pop_ptr(rdx); 644 __ pop_ptr(rdx);
645 // eax: index 645 // eax: index
646 // rdx: array 646 // rdx: array
647 index_check(rdx, rax); // kills rbx 647 index_check(rdx, rax); // kills rbx
648 __ load_unsigned_word(rax, 648 __ load_unsigned_short(rax,
649 Address(rdx, rax, 649 Address(rdx, rax,
650 Address::times_2, 650 Address::times_2,
651 arrayOopDesc::base_offset_in_bytes(T_CHAR))); 651 arrayOopDesc::base_offset_in_bytes(T_CHAR)));
652 } 652 }
653 653
654 // iload followed by caload frequent pair 654 // iload followed by caload frequent pair
655 void TemplateTable::fast_icaload() { 655 void TemplateTable::fast_icaload() {
656 transition(vtos, itos); 656 transition(vtos, itos);
661 661
662 // eax: index 662 // eax: index
663 // rdx: array 663 // rdx: array
664 __ pop_ptr(rdx); 664 __ pop_ptr(rdx);
665 index_check(rdx, rax); // kills rbx 665 index_check(rdx, rax); // kills rbx
666 __ load_unsigned_word(rax, 666 __ load_unsigned_short(rax,
667 Address(rdx, rax, 667 Address(rdx, rax,
668 Address::times_2, 668 Address::times_2,
669 arrayOopDesc::base_offset_in_bytes(T_CHAR))); 669 arrayOopDesc::base_offset_in_bytes(T_CHAR)));
670 } 670 }
671 671
672 void TemplateTable::saload() { 672 void TemplateTable::saload() {
673 transition(itos, itos); 673 transition(itos, itos);
674 __ pop_ptr(rdx); 674 __ pop_ptr(rdx);
675 // eax: index 675 // eax: index
676 // rdx: array 676 // rdx: array
677 index_check(rdx, rax); // kills rbx 677 index_check(rdx, rax); // kills rbx
678 __ load_signed_word(rax, 678 __ load_signed_short(rax,
679 Address(rdx, rax, 679 Address(rdx, rax,
680 Address::times_2, 680 Address::times_2,
681 arrayOopDesc::base_offset_in_bytes(T_SHORT))); 681 arrayOopDesc::base_offset_in_bytes(T_SHORT)));
682 } 682 }
683 683
684 void TemplateTable::iload(int n) { 684 void TemplateTable::iload(int n) {
685 transition(vtos, itos); 685 transition(vtos, itos);
686 __ movl(rax, iaddress(n)); 686 __ movl(rax, iaddress(n));
2274 2274
2275 __ bind(notInt); 2275 __ bind(notInt);
2276 __ cmpl(flags, ctos); 2276 __ cmpl(flags, ctos);
2277 __ jcc(Assembler::notEqual, notChar); 2277 __ jcc(Assembler::notEqual, notChar);
2278 // ctos 2278 // ctos
2279 __ load_unsigned_word(rax, field); 2279 __ load_unsigned_short(rax, field);
2280 __ push(ctos); 2280 __ push(ctos);
2281 // Rewrite bytecode to be faster 2281 // Rewrite bytecode to be faster
2282 if (!is_static) { 2282 if (!is_static) {
2283 patch_bytecode(Bytecodes::_fast_cgetfield, bc, rbx); 2283 patch_bytecode(Bytecodes::_fast_cgetfield, bc, rbx);
2284 } 2284 }
2286 2286
2287 __ bind(notChar); 2287 __ bind(notChar);
2288 __ cmpl(flags, stos); 2288 __ cmpl(flags, stos);
2289 __ jcc(Assembler::notEqual, notShort); 2289 __ jcc(Assembler::notEqual, notShort);
2290 // stos 2290 // stos
2291 __ load_signed_word(rax, field); 2291 __ load_signed_short(rax, field);
2292 __ push(stos); 2292 __ push(stos);
2293 // Rewrite bytecode to be faster 2293 // Rewrite bytecode to be faster
2294 if (!is_static) { 2294 if (!is_static) {
2295 patch_bytecode(Bytecodes::_fast_sgetfield, bc, rbx); 2295 patch_bytecode(Bytecodes::_fast_sgetfield, bc, rbx);
2296 } 2296 }
2749 break; 2749 break;
2750 case Bytecodes::_fast_bgetfield: 2750 case Bytecodes::_fast_bgetfield:
2751 __ movsbl(rax, field); 2751 __ movsbl(rax, field);
2752 break; 2752 break;
2753 case Bytecodes::_fast_sgetfield: 2753 case Bytecodes::_fast_sgetfield:
2754 __ load_signed_word(rax, field); 2754 __ load_signed_short(rax, field);
2755 break; 2755 break;
2756 case Bytecodes::_fast_cgetfield: 2756 case Bytecodes::_fast_cgetfield:
2757 __ load_unsigned_word(rax, field); 2757 __ load_unsigned_short(rax, field);
2758 break; 2758 break;
2759 case Bytecodes::_fast_fgetfield: 2759 case Bytecodes::_fast_fgetfield:
2760 __ movflt(xmm0, field); 2760 __ movflt(xmm0, field);
2761 break; 2761 break;
2762 case Bytecodes::_fast_dgetfield: 2762 case Bytecodes::_fast_dgetfield: