1 /*
   2  * Copyright (c) 2016, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 package jdk.vm.ci.hotspot.amd64;
  24 
  25 import jdk.vm.ci.hotspot.HotSpotVMConfigAccess;
  26 import jdk.vm.ci.hotspot.HotSpotVMConfigStore;
  27 
  28 class AMD64HotSpotVMConfig extends HotSpotVMConfigAccess {
  29 
  30     AMD64HotSpotVMConfig(HotSpotVMConfigStore config) {
  31         super(config);
  32     }
  33 
  34     /**
  35      * Maximum allowed size of allocated area for a frame.
  36      */
  37     final int maxFrameSize = 16 * 1024;
  38 
  39     final boolean windowsOs = System.getProperty("os.name", "").startsWith("Windows");
  40 
  41     final boolean useCountLeadingZerosInstruction = getFlag("UseCountLeadingZerosInstruction", Boolean.class);
  42     final boolean useCountTrailingZerosInstruction = getFlag("UseCountTrailingZerosInstruction", Boolean.class);
  43     final boolean useCompressedOops = getFlag("UseCompressedOops", Boolean.class);
  44 
  45     // CPU capabilities
  46     final int useSSE = getFlag("UseSSE", Integer.class);
  47     final int useAVX = getFlag("UseAVX", Integer.class);
  48 
  49     final long vmVersionFeatures = getFieldValue("Abstract_VM_Version::_features", Long.class, "uint64_t");
  50 
  51     // CPU feature flags
  52     final long amd64CX8 = getConstant("VM_Version::CPU_CX8", Long.class);
  53     final long amd64CMOV = getConstant("VM_Version::CPU_CMOV", Long.class);
  54     final long amd64FXSR = getConstant("VM_Version::CPU_FXSR", Long.class);
  55     final long amd64HT = getConstant("VM_Version::CPU_HT", Long.class);
  56     final long amd64MMX = getConstant("VM_Version::CPU_MMX", Long.class);
  57     final long amd643DNOWPREFETCH = getConstant("VM_Version::CPU_3DNOW_PREFETCH", Long.class);
  58     final long amd64SSE = getConstant("VM_Version::CPU_SSE", Long.class);
  59     final long amd64SSE2 = getConstant("VM_Version::CPU_SSE2", Long.class);
  60     final long amd64SSE3 = getConstant("VM_Version::CPU_SSE3", Long.class);
  61     final long amd64SSSE3 = getConstant("VM_Version::CPU_SSSE3", Long.class);
  62     final long amd64SSE4A = getConstant("VM_Version::CPU_SSE4A", Long.class);
  63     final long amd64SSE41 = getConstant("VM_Version::CPU_SSE4_1", Long.class);
  64     final long amd64SSE42 = getConstant("VM_Version::CPU_SSE4_2", Long.class);
  65     final long amd64POPCNT = getConstant("VM_Version::CPU_POPCNT", Long.class);
  66     final long amd64LZCNT = getConstant("VM_Version::CPU_LZCNT", Long.class);
  67     final long amd64TSC = getConstant("VM_Version::CPU_TSC", Long.class);
  68     final long amd64TSCINV = getConstant("VM_Version::CPU_TSCINV", Long.class);
  69     final long amd64AVX = getConstant("VM_Version::CPU_AVX", Long.class);
  70     final long amd64AVX2 = getConstant("VM_Version::CPU_AVX2", Long.class);
  71     final long amd64AES = getConstant("VM_Version::CPU_AES", Long.class);
  72     final long amd64ERMS = getConstant("VM_Version::CPU_ERMS", Long.class);
  73     final long amd64CLMUL = getConstant("VM_Version::CPU_CLMUL", Long.class);
  74     final long amd64BMI1 = getConstant("VM_Version::CPU_BMI1", Long.class);
  75     final long amd64BMI2 = getConstant("VM_Version::CPU_BMI2", Long.class);
  76     final long amd64RTM = getConstant("VM_Version::CPU_RTM", Long.class);
  77     final long amd64ADX = getConstant("VM_Version::CPU_ADX", Long.class);
  78     final long amd64AVX512F = getConstant("VM_Version::CPU_AVX512F", Long.class);
  79     final long amd64AVX512DQ = getConstant("VM_Version::CPU_AVX512DQ", Long.class);
  80     final long amd64AVX512PF = getConstant("VM_Version::CPU_AVX512PF", Long.class);
  81     final long amd64AVX512ER = getConstant("VM_Version::CPU_AVX512ER", Long.class);
  82     final long amd64AVX512CD = getConstant("VM_Version::CPU_AVX512CD", Long.class);
  83     final long amd64AVX512BW = getConstant("VM_Version::CPU_AVX512BW", Long.class);
  84     final long amd64AVX512VL = getConstant("VM_Version::CPU_AVX512VL", Long.class);
  85     final long amd64SHA = getConstant("VM_Version::CPU_SHA", Long.class);
  86 }