Wed, 07 Jan 2009 11:23:28 -0800
6790182: matcher.cpp:1375: assert(false,"bad AD file")
Summary: Add a match rule for regD_low in regD definition.
Reviewed-by: never
duke@435 | 1 | /* |
duke@435 | 2 | * Copyright 1997-2006 Sun Microsystems, Inc. All Rights Reserved. |
duke@435 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
duke@435 | 4 | * |
duke@435 | 5 | * This code is free software; you can redistribute it and/or modify it |
duke@435 | 6 | * under the terms of the GNU General Public License version 2 only, as |
duke@435 | 7 | * published by the Free Software Foundation. |
duke@435 | 8 | * |
duke@435 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
duke@435 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
duke@435 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
duke@435 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
duke@435 | 13 | * accompanied this code). |
duke@435 | 14 | * |
duke@435 | 15 | * You should have received a copy of the GNU General Public License version |
duke@435 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
duke@435 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
duke@435 | 18 | * |
duke@435 | 19 | * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
duke@435 | 20 | * CA 95054 USA or visit www.sun.com if you need additional information or |
duke@435 | 21 | * have any questions. |
duke@435 | 22 | * |
duke@435 | 23 | */ |
duke@435 | 24 | |
duke@435 | 25 | #include "incls/_precompiled.incl" |
duke@435 | 26 | #include "incls/_icBuffer_sparc.cpp.incl" |
duke@435 | 27 | |
duke@435 | 28 | int InlineCacheBuffer::ic_stub_code_size() { |
duke@435 | 29 | #ifdef _LP64 |
duke@435 | 30 | if (TraceJumps) return 600 * wordSize; |
duke@435 | 31 | return (NativeMovConstReg::instruction_size + // sethi;add |
duke@435 | 32 | NativeJump::instruction_size + // sethi; jmp; delay slot |
duke@435 | 33 | (1*BytesPerInstWord) + 1); // flush + 1 extra byte |
duke@435 | 34 | #else |
duke@435 | 35 | if (TraceJumps) return 300 * wordSize; |
duke@435 | 36 | return (2+2+ 1) * wordSize + 1; // set/jump_to/nop + 1 byte so that code_end can be set in CodeBuffer |
duke@435 | 37 | #endif |
duke@435 | 38 | } |
duke@435 | 39 | |
duke@435 | 40 | void InlineCacheBuffer::assemble_ic_buffer_code(address code_begin, oop cached_oop, address entry_point) { |
duke@435 | 41 | ResourceMark rm; |
duke@435 | 42 | CodeBuffer code(code_begin, ic_stub_code_size()); |
duke@435 | 43 | MacroAssembler* masm = new MacroAssembler(&code); |
duke@435 | 44 | // note: even though the code contains an embedded oop, we do not need reloc info |
duke@435 | 45 | // because |
duke@435 | 46 | // (1) the oop is old (i.e., doesn't matter for scavenges) |
duke@435 | 47 | // (2) these ICStubs are removed *before* a GC happens, so the roots disappear |
duke@435 | 48 | assert(cached_oop == NULL || cached_oop->is_perm(), "must be old oop"); |
duke@435 | 49 | Address cached_oop_addr(G5_inline_cache_reg, address(cached_oop)); |
duke@435 | 50 | // Force the sethi to generate the fixed sequence so next_instruction_address works |
duke@435 | 51 | masm->sethi(cached_oop_addr, true /* ForceRelocatable */ ); |
duke@435 | 52 | masm->add(cached_oop_addr, G5_inline_cache_reg); |
duke@435 | 53 | assert(G3_scratch != G5_method, "Do not clobber the method oop in the transition stub"); |
duke@435 | 54 | assert(G3_scratch != G5_inline_cache_reg, "Do not clobber the inline cache register in the transition stub"); |
duke@435 | 55 | Address entry(G3_scratch, entry_point); |
duke@435 | 56 | masm->JUMP(entry, 0); |
duke@435 | 57 | masm->delayed()->nop(); |
duke@435 | 58 | masm->flush(); |
duke@435 | 59 | } |
duke@435 | 60 | |
duke@435 | 61 | |
duke@435 | 62 | address InlineCacheBuffer::ic_buffer_entry_point(address code_begin) { |
duke@435 | 63 | NativeMovConstReg* move = nativeMovConstReg_at(code_begin); // creation also verifies the object |
duke@435 | 64 | NativeJump* jump = nativeJump_at(move->next_instruction_address()); |
duke@435 | 65 | return jump->jump_destination(); |
duke@435 | 66 | } |
duke@435 | 67 | |
duke@435 | 68 | |
duke@435 | 69 | oop InlineCacheBuffer::ic_buffer_cached_oop(address code_begin) { |
duke@435 | 70 | NativeMovConstReg* move = nativeMovConstReg_at(code_begin); // creation also verifies the object |
duke@435 | 71 | NativeJump* jump = nativeJump_at(move->next_instruction_address()); |
duke@435 | 72 | return (oop)move->data(); |
duke@435 | 73 | } |