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 }