Mercurial > jdk8-mips64-public > hotspot / annotate
src/share/vm/runtime/stackValueCollection.cpp@2a33b32dd03c (annotated)
src/share/vm/runtime/stackValueCollection.cpp
Thu, 24 May 2018 19:24:53 +0800
- author
- aoqi
- date
- Thu, 24 May 2018 19:24:53 +0800
- changeset 8861
- 2a33b32dd03c
- parent 6876
- 710a3c8b516e
- permissions
- -rw-r--r--
#7046 Disable the compilation when branch offset is beyond short branch
Contributed-by: fujie, aoqi
| aoqi@0 | 1 | /* |
| aoqi@0 | 2 | * Copyright (c) 2001, 2014, Oracle and/or its affiliates. All rights reserved. |
| aoqi@0 | 3 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| aoqi@0 | 4 | * |
| aoqi@0 | 5 | * This code is free software; you can redistribute it and/or modify it |
| aoqi@0 | 6 | * under the terms of the GNU General Public License version 2 only, as |
| aoqi@0 | 7 | * published by the Free Software Foundation. |
| aoqi@0 | 8 | * |
| aoqi@0 | 9 | * This code is distributed in the hope that it will be useful, but WITHOUT |
| aoqi@0 | 10 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| aoqi@0 | 11 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| aoqi@0 | 12 | * version 2 for more details (a copy is included in the LICENSE file that |
| aoqi@0 | 13 | * accompanied this code). |
| aoqi@0 | 14 | * |
| aoqi@0 | 15 | * You should have received a copy of the GNU General Public License version |
| aoqi@0 | 16 | * 2 along with this work; if not, write to the Free Software Foundation, |
| aoqi@0 | 17 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| aoqi@0 | 18 | * |
| aoqi@0 | 19 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| aoqi@0 | 20 | * or visit www.oracle.com if you need additional information or have any |
| aoqi@0 | 21 | * questions. |
| aoqi@0 | 22 | * |
| aoqi@0 | 23 | */ |
| aoqi@0 | 24 | |
| aoqi@1 | 25 | /* |
| aoqi@1 | 26 | * This file has been modified by Loongson Technology in 2015. These |
| aoqi@1 | 27 | * modifications are Copyright (c) 2015 Loongson Technology, and are made |
| aoqi@1 | 28 | * available on the same license terms set forth above. |
| aoqi@1 | 29 | */ |
| aoqi@1 | 30 | |
| aoqi@0 | 31 | #include "precompiled.hpp" |
| aoqi@0 | 32 | #include "runtime/stackValueCollection.hpp" |
| aoqi@0 | 33 | #ifdef TARGET_ARCH_x86 |
| aoqi@0 | 34 | # include "jniTypes_x86.hpp" |
| aoqi@0 | 35 | #endif |
| aoqi@0 | 36 | #ifdef TARGET_ARCH_sparc |
| aoqi@0 | 37 | # include "jniTypes_sparc.hpp" |
| aoqi@0 | 38 | #endif |
| aoqi@0 | 39 | #ifdef TARGET_ARCH_zero |
| aoqi@0 | 40 | # include "jniTypes_zero.hpp" |
| aoqi@0 | 41 | #endif |
| aoqi@0 | 42 | #ifdef TARGET_ARCH_arm |
| aoqi@0 | 43 | # include "jniTypes_arm.hpp" |
| aoqi@0 | 44 | #endif |
| aoqi@0 | 45 | #ifdef TARGET_ARCH_ppc |
| aoqi@0 | 46 | # include "jniTypes_ppc.hpp" |
| aoqi@0 | 47 | #endif |
| aoqi@1 | 48 | #ifdef TARGET_ARCH_mips |
| aoqi@1 | 49 | # include "jniTypes_mips.hpp" |
| aoqi@1 | 50 | #endif |
| aoqi@0 | 51 | |
| aoqi@0 | 52 | PRAGMA_FORMAT_MUTE_WARNINGS_FOR_GCC |
| aoqi@0 | 53 | |
| aoqi@0 | 54 | jint StackValueCollection::int_at(int slot) const { |
| aoqi@0 | 55 | intptr_t val = at(slot)->get_int(); |
| aoqi@0 | 56 | jint ival = *((jint*) (&val)); |
| aoqi@0 | 57 | return ival; |
| aoqi@0 | 58 | } |
| aoqi@0 | 59 | |
| aoqi@0 | 60 | jlong StackValueCollection::long_at(int slot) const { |
| aoqi@0 | 61 | #ifdef _LP64 |
| aoqi@0 | 62 | return at(slot+1)->get_int(); |
| aoqi@0 | 63 | #else |
| aoqi@0 | 64 | union { |
| aoqi@0 | 65 | jlong jl; |
| aoqi@0 | 66 | jint array[2]; |
| aoqi@0 | 67 | } value; |
| aoqi@0 | 68 | // Interpreter stack is reversed in memory: |
| aoqi@0 | 69 | // low memory location is in higher java local slot. |
| aoqi@0 | 70 | value.array[0] = at(slot+1)->get_int(); |
| aoqi@0 | 71 | value.array[1] = at(slot )->get_int(); |
| aoqi@0 | 72 | return value.jl; |
| aoqi@0 | 73 | #endif |
| aoqi@0 | 74 | } |
| aoqi@0 | 75 | |
| aoqi@0 | 76 | Handle StackValueCollection::obj_at(int slot) const { |
| aoqi@0 | 77 | return at(slot)->get_obj(); |
| aoqi@0 | 78 | } |
| aoqi@0 | 79 | |
| aoqi@0 | 80 | jfloat StackValueCollection::float_at(int slot) const { |
| aoqi@0 | 81 | intptr_t res = at(slot)->get_int(); |
| aoqi@0 | 82 | return *((jfloat*) (&res)); |
| aoqi@0 | 83 | } |
| aoqi@0 | 84 | |
| aoqi@0 | 85 | jdouble StackValueCollection::double_at(int slot) const { |
| aoqi@0 | 86 | #ifdef _LP64 |
| aoqi@0 | 87 | intptr_t res = at(slot+1)->get_int(); |
| aoqi@0 | 88 | return *((jdouble*) (&res)); |
| aoqi@0 | 89 | #else |
| aoqi@0 | 90 | union { |
| aoqi@0 | 91 | jdouble jd; |
| aoqi@0 | 92 | jint array[2]; |
| aoqi@0 | 93 | } value; |
| aoqi@0 | 94 | // Interpreter stack is reversed in memory: |
| aoqi@0 | 95 | // low memory location is in higher java local slot. |
| aoqi@0 | 96 | value.array[0] = at(slot+1)->get_int(); |
| aoqi@0 | 97 | value.array[1] = at(slot )->get_int(); |
| aoqi@0 | 98 | return value.jd; |
| aoqi@0 | 99 | #endif |
| aoqi@0 | 100 | } |
| aoqi@0 | 101 | |
| aoqi@0 | 102 | void StackValueCollection::set_int_at(int slot, jint value) { |
| aoqi@0 | 103 | intptr_t val; |
| aoqi@0 | 104 | *((jint*) (&val)) = value; |
| aoqi@0 | 105 | at(slot)->set_int(val); |
| aoqi@0 | 106 | } |
| aoqi@0 | 107 | |
| aoqi@0 | 108 | void StackValueCollection::set_long_at(int slot, jlong value) { |
| aoqi@0 | 109 | #ifdef _LP64 |
| aoqi@0 | 110 | at(slot+1)->set_int(value); |
| aoqi@0 | 111 | #else |
| aoqi@0 | 112 | union { |
| aoqi@0 | 113 | jlong jl; |
| aoqi@0 | 114 | jint array[2]; |
| aoqi@0 | 115 | } x; |
| aoqi@0 | 116 | // Interpreter stack is reversed in memory: |
| aoqi@0 | 117 | // low memory location is in higher java local slot. |
| aoqi@0 | 118 | x.jl = value; |
| aoqi@0 | 119 | at(slot+1)->set_int(x.array[0]); |
| aoqi@0 | 120 | at(slot+0)->set_int(x.array[1]); |
| aoqi@0 | 121 | #endif |
| aoqi@0 | 122 | } |
| aoqi@0 | 123 | |
| aoqi@0 | 124 | void StackValueCollection::set_obj_at(int slot, Handle value) { |
| aoqi@0 | 125 | at(slot)->set_obj(value); |
| aoqi@0 | 126 | } |
| aoqi@0 | 127 | |
| aoqi@0 | 128 | void StackValueCollection::set_float_at(int slot, jfloat value) { |
| aoqi@0 | 129 | #ifdef _LP64 |
| aoqi@0 | 130 | union { |
| aoqi@0 | 131 | intptr_t jd; |
| aoqi@0 | 132 | jint array[2]; |
| aoqi@0 | 133 | } val; |
| aoqi@0 | 134 | // Interpreter stores 32 bit floats in first half of 64 bit word. |
| aoqi@0 | 135 | val.array[0] = *(jint*)(&value); |
| aoqi@0 | 136 | val.array[1] = 0; |
| aoqi@0 | 137 | at(slot)->set_int(val.jd); |
| aoqi@0 | 138 | #else |
| aoqi@0 | 139 | at(slot)->set_int(*(jint*)(&value)); |
| aoqi@0 | 140 | #endif |
| aoqi@0 | 141 | } |
| aoqi@0 | 142 | |
| aoqi@0 | 143 | void StackValueCollection::set_double_at(int slot, jdouble value) { |
| aoqi@0 | 144 | #ifdef _LP64 |
| aoqi@0 | 145 | at(slot+1)->set_int(*(intptr_t*)(&value)); |
| aoqi@0 | 146 | #else |
| aoqi@0 | 147 | union { |
| aoqi@0 | 148 | jdouble jd; |
| aoqi@0 | 149 | jint array[2]; |
| aoqi@0 | 150 | } x; |
| aoqi@0 | 151 | // Interpreter stack is reversed in memory: |
| aoqi@0 | 152 | // low memory location is in higher java local slot. |
| aoqi@0 | 153 | x.jd = value; |
| aoqi@0 | 154 | at(slot+1)->set_int(x.array[0]); |
| aoqi@0 | 155 | at(slot+0)->set_int(x.array[1]); |
| aoqi@0 | 156 | #endif |
| aoqi@0 | 157 | } |
| aoqi@0 | 158 | |
| aoqi@0 | 159 | #ifndef PRODUCT |
| aoqi@0 | 160 | void StackValueCollection::print() { |
| aoqi@0 | 161 | for(int index = 0; index < size(); index++) { |
| aoqi@0 | 162 | tty->print("\t %2d ", index); |
| aoqi@0 | 163 | at(index)->print_on(tty); |
| aoqi@0 | 164 | if( at(index )->type() == T_INT && |
| aoqi@0 | 165 | index+1 < size() && |
| aoqi@0 | 166 | at(index+1)->type() == T_INT ) { |
| aoqi@0 | 167 | tty->print(" " INT64_FORMAT " (long)", long_at(index)); |
| aoqi@0 | 168 | tty->cr(); |
| aoqi@0 | 169 | tty->print("\t %.15e (double)", double_at(index)); |
| aoqi@0 | 170 | tty->print(" " PTR64_FORMAT " (longhex)", long_at(index)); |
| aoqi@0 | 171 | } |
| aoqi@0 | 172 | tty->cr(); |
| aoqi@0 | 173 | } |
| aoqi@0 | 174 | } |
| aoqi@0 | 175 | #endif |
