Tue, 26 Jul 2016 17:06:17 +0800
Add multiply word to GPR instruction (mul) in MIPS assembler.
aoqi@1 | 1 | /* |
aoqi@1 | 2 | * Copyright (c) 1997, 2014, Oracle and/or its affiliates. All rights reserved. |
aoqi@1 | 3 | * Copyright (c) 2015, 2016, Loongson Technology. All rights reserved. |
aoqi@1 | 4 | * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
aoqi@1 | 5 | * |
aoqi@1 | 6 | * This code is free software; you can redistribute it and/or modify it |
aoqi@1 | 7 | * under the terms of the GNU General Public License version 2 only, as |
aoqi@1 | 8 | * published by the Free Software Foundation. |
aoqi@1 | 9 | * |
aoqi@1 | 10 | * This code is distributed in the hope that it will be useful, but WITHOUT |
aoqi@1 | 11 | * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
aoqi@1 | 12 | * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
aoqi@1 | 13 | * version 2 for more details (a copy is included in the LICENSE file that |
aoqi@1 | 14 | * accompanied this code). |
aoqi@1 | 15 | * |
aoqi@1 | 16 | * You should have received a copy of the GNU General Public License version |
aoqi@1 | 17 | * 2 along with this work; if not, write to the Free Software Foundation, |
aoqi@1 | 18 | * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
aoqi@1 | 19 | * |
aoqi@1 | 20 | * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
aoqi@1 | 21 | * or visit www.oracle.com if you need additional information or have any |
aoqi@1 | 22 | * questions. |
aoqi@1 | 23 | * |
aoqi@1 | 24 | */ |
aoqi@1 | 25 | |
aoqi@1 | 26 | #include "precompiled.hpp" |
aoqi@1 | 27 | #include "asm/macroAssembler.hpp" |
aoqi@1 | 28 | #include "asm/macroAssembler.inline.hpp" |
aoqi@1 | 29 | #include "memory/resourceArea.hpp" |
aoqi@1 | 30 | #include "runtime/java.hpp" |
aoqi@1 | 31 | #include "runtime/stubCodeGenerator.hpp" |
aoqi@1 | 32 | #include "vm_version_mips.hpp" |
aoqi@1 | 33 | #ifdef TARGET_OS_FAMILY_linux |
aoqi@1 | 34 | # include "os_linux.inline.hpp" |
aoqi@1 | 35 | #endif |
aoqi@1 | 36 | #ifdef TARGET_OS_FAMILY_solaris |
aoqi@1 | 37 | # include "os_solaris.inline.hpp" |
aoqi@1 | 38 | #endif |
aoqi@1 | 39 | #ifdef TARGET_OS_FAMILY_windows |
aoqi@1 | 40 | # include "os_windows.inline.hpp" |
aoqi@1 | 41 | #endif |
aoqi@1 | 42 | #ifdef TARGET_OS_FAMILY_bsd |
aoqi@1 | 43 | # include "os_bsd.inline.hpp" |
aoqi@1 | 44 | #endif |
aoqi@1 | 45 | /* |
aoqi@1 | 46 | int VM_Version::_cpu; |
aoqi@1 | 47 | int VM_Version::_model; |
aoqi@1 | 48 | int VM_Version::_stepping; |
aoqi@1 | 49 | int VM_Version::_cpuFeatures; |
aoqi@1 | 50 | const char* VM_Version::_features_str = ""; |
aoqi@1 | 51 | VM_Version::CpuidInfo VM_Version::_cpuid_info = { 0, }; |
aoqi@1 | 52 | |
aoqi@1 | 53 | static BufferBlob* stub_blob; |
aoqi@1 | 54 | static const int stub_size = 300; |
aoqi@1 | 55 | |
aoqi@1 | 56 | extern "C" { |
aoqi@1 | 57 | typedef void (*getPsrInfo_stub_t)(void*); |
aoqi@1 | 58 | } |
aoqi@1 | 59 | static getPsrInfo_stub_t getPsrInfo_stub = NULL; |
aoqi@1 | 60 | */ |
aoqi@1 | 61 | int VM_Version::_features = VM_Version::unknown_m; |
aoqi@1 | 62 | const char* VM_Version::_features_str = ""; |
aoqi@1 | 63 | /* |
aoqi@1 | 64 | class VM_Version_StubGenerator: public StubCodeGenerator { |
aoqi@1 | 65 | public: |
aoqi@1 | 66 | |
aoqi@1 | 67 | VM_Version_StubGenerator(CodeBuffer *c) : StubCodeGenerator(c) {} |
aoqi@1 | 68 | |
aoqi@1 | 69 | address generate_getPsrInfo() { |
aoqi@1 | 70 | }; |
aoqi@1 | 71 | }; |
aoqi@1 | 72 | |
aoqi@1 | 73 | |
aoqi@1 | 74 | void VM_Version::get_processor_features() { |
aoqi@1 | 75 | } |
aoqi@1 | 76 | */ |
aoqi@1 | 77 | void VM_Version::initialize() { |
aoqi@1 | 78 | _features = determine_features(); |
aoqi@1 | 79 | //no need, Abstract_VM_Version already define it as false |
aoqi@1 | 80 | _supports_cx8 = true; |
aoqi@1 | 81 | |
aoqi@1 | 82 | char buf[256]; |
aoqi@1 | 83 | jio_snprintf(buf, sizeof(buf), "%s, %s" |
aoqi@1 | 84 | #ifdef OPT_RANGECHECK |
aoqi@1 | 85 | ", optimized range check" |
aoqi@1 | 86 | #endif |
aoqi@1 | 87 | #ifdef OPT_PHI_1 |
aoqi@1 | 88 | ", optimized phi" |
aoqi@1 | 89 | #endif |
aoqi@1 | 90 | #ifdef OPT_MERGE |
aoqi@1 | 91 | ", optimized merge" |
aoqi@1 | 92 | #endif |
aoqi@1 | 93 | , (has_l2_cache() ? "has_l2_cache" : ""), (has_16k_page() ? "has_16k_page" : "") |
aoqi@1 | 94 | ); |
aoqi@1 | 95 | //////////////////////add some other feature here////////////////// |
aoqi@1 | 96 | |
aoqi@1 | 97 | // buf is started with ", " or is empty |
aoqi@1 | 98 | _features_str = strdup(buf); |
aoqi@1 | 99 | NOT_PRODUCT( if (PrintMiscellaneous && Verbose) print_features(); ); |
aoqi@1 | 100 | } |
aoqi@1 | 101 | |
aoqi@1 | 102 | void VM_Version::print_features() { |
aoqi@1 | 103 | tty->print_cr("Version:%s", cpu_features()); |
aoqi@1 | 104 | } |
aoqi@1 | 105 | |
aoqi@1 | 106 | int VM_Version::determine_features() { |
aoqi@1 | 107 | //////////////////////add some other feature here////////////////// |
aoqi@1 | 108 | return spt_16k_page_m; |
aoqi@1 | 109 | } |
aoqi@1 | 110 | |
aoqi@1 | 111 | static int saved_features = 0; |
aoqi@1 | 112 | |
aoqi@1 | 113 | void VM_Version::allow_all() { |
aoqi@1 | 114 | saved_features = _features; |
aoqi@1 | 115 | _features = all_features_m; |
aoqi@1 | 116 | } |
aoqi@1 | 117 | |
aoqi@1 | 118 | void VM_Version::revert() { |
aoqi@1 | 119 | _features = saved_features; |
aoqi@1 | 120 | } |