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src/cpu/sparc/vm/c1_MacroAssembler_sparc.hpp@1d7922586cf6 (annotated)
src/cpu/sparc/vm/c1_MacroAssembler_sparc.hpp
Tue, 24 Jul 2012 10:51:00 -0700
- author
- twisti
- date
- Tue, 24 Jul 2012 10:51:00 -0700
- changeset 3969
- 1d7922586cf6
- parent 2423
- b1a2afa37ec4
- child 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
7023639: JSR 292 method handle invocation needs a fast path for compiled code
6984705: JSR 292 method handle creation should not go through JNI
Summary: remove assembly code for JDK 7 chained method handles
Reviewed-by: jrose, twisti, kvn, mhaupt
Contributed-by: John Rose <john.r.rose@oracle.com>, Christian Thalinger <christian.thalinger@oracle.com>, Michael Haupt <michael.haupt@oracle.com>
| duke@435 | 1 | /* |
| phh@2423 | 2 | * Copyright (c) 1999, 2011, Oracle and/or its affiliates. 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 | * |
| trims@1907 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| trims@1907 | 20 | * or visit www.oracle.com if you need additional information or have any |
| trims@1907 | 21 | * questions. |
| duke@435 | 22 | * |
| duke@435 | 23 | */ |
| duke@435 | 24 | |
| stefank@2314 | 25 | #ifndef CPU_SPARC_VM_C1_MACROASSEMBLER_SPARC_HPP |
| stefank@2314 | 26 | #define CPU_SPARC_VM_C1_MACROASSEMBLER_SPARC_HPP |
| stefank@2314 | 27 | |
| duke@435 | 28 | void pd_init() { /* nothing to do */ } |
| duke@435 | 29 | |
| duke@435 | 30 | public: |
| duke@435 | 31 | void try_allocate( |
| duke@435 | 32 | Register obj, // result: pointer to object after successful allocation |
| duke@435 | 33 | Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise |
| duke@435 | 34 | int con_size_in_bytes, // object size in bytes if known at compile time |
| duke@435 | 35 | Register t1, // temp register |
| duke@435 | 36 | Register t2, // temp register |
| duke@435 | 37 | Label& slow_case // continuation point if fast allocation fails |
| duke@435 | 38 | ); |
| duke@435 | 39 | |
| duke@435 | 40 | void initialize_header(Register obj, Register klass, Register len, Register t1, Register t2); |
| duke@435 | 41 | void initialize_body(Register base, Register index); |
| duke@435 | 42 | |
| duke@435 | 43 | // locking/unlocking |
| duke@435 | 44 | void lock_object (Register Rmark, Register Roop, Register Rbox, Register Rscratch, Label& slow_case); |
| duke@435 | 45 | void unlock_object(Register Rmark, Register Roop, Register Rbox, Label& slow_case); |
| duke@435 | 46 | |
| duke@435 | 47 | void initialize_object( |
| duke@435 | 48 | Register obj, // result: pointer to object after successful allocation |
| duke@435 | 49 | Register klass, // object klass |
| duke@435 | 50 | Register var_size_in_bytes, // object size in bytes if unknown at compile time; invalid otherwise |
| duke@435 | 51 | int con_size_in_bytes, // object size in bytes if known at compile time |
| duke@435 | 52 | Register t1, // temp register |
| duke@435 | 53 | Register t2 // temp register |
| duke@435 | 54 | ); |
| duke@435 | 55 | |
| duke@435 | 56 | // allocation of fixed-size objects |
| duke@435 | 57 | // (can also be used to allocate fixed-size arrays, by setting |
| duke@435 | 58 | // hdr_size correctly and storing the array length afterwards) |
| duke@435 | 59 | void allocate_object( |
| duke@435 | 60 | Register obj, // result: pointer to object after successful allocation |
| duke@435 | 61 | Register t1, // temp register |
| duke@435 | 62 | Register t2, // temp register |
| duke@435 | 63 | Register t3, // temp register |
| duke@435 | 64 | int hdr_size, // object header size in words |
| duke@435 | 65 | int obj_size, // object size in words |
| duke@435 | 66 | Register klass, // object klass |
| duke@435 | 67 | Label& slow_case // continuation point if fast allocation fails |
| duke@435 | 68 | ); |
| duke@435 | 69 | |
| duke@435 | 70 | enum { |
| duke@435 | 71 | max_array_allocation_length = 0x01000000 // sparc friendly value, requires sethi only |
| duke@435 | 72 | }; |
| duke@435 | 73 | |
| duke@435 | 74 | // allocation of arrays |
| duke@435 | 75 | void allocate_array( |
| duke@435 | 76 | Register obj, // result: pointer to array after successful allocation |
| duke@435 | 77 | Register len, // array length |
| duke@435 | 78 | Register t1, // temp register |
| duke@435 | 79 | Register t2, // temp register |
| duke@435 | 80 | Register t3, // temp register |
| duke@435 | 81 | int hdr_size, // object header size in words |
| duke@435 | 82 | int elt_size, // element size in bytes |
| duke@435 | 83 | Register klass, // object klass |
| duke@435 | 84 | Label& slow_case // continuation point if fast allocation fails |
| duke@435 | 85 | ); |
| duke@435 | 86 | |
| duke@435 | 87 | // invalidates registers in this window |
| duke@435 | 88 | void invalidate_registers(bool iregisters, bool lregisters, bool oregisters, |
| duke@435 | 89 | Register preserve1 = noreg, Register preserve2 = noreg); |
| stefank@2314 | 90 | |
| stefank@2314 | 91 | #endif // CPU_SPARC_VM_C1_MACROASSEMBLER_SPARC_HPP |
