Mercurial > hg > graal-jvmci-8
view jvmci/jdk.vm.ci.amd64/src/jdk/vm/ci/amd64/AMD64.java @ 23660:b5f3a471e646
Merge.
author | Doug Simon <doug.simon@oracle.com> |
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date | Wed, 01 Jun 2016 00:11:44 +0200 |
parents | 6758183dd36b |
children | 9e1235406b59 |
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/* * Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ package jdk.vm.ci.amd64; import static jdk.vm.ci.code.MemoryBarriers.LOAD_LOAD; import static jdk.vm.ci.code.MemoryBarriers.LOAD_STORE; import static jdk.vm.ci.code.MemoryBarriers.STORE_STORE; import static jdk.vm.ci.code.Register.SPECIAL; import java.nio.ByteOrder; import java.util.EnumSet; import jdk.vm.ci.code.Architecture; import jdk.vm.ci.code.Register; import jdk.vm.ci.code.Register.RegisterCategory; import jdk.vm.ci.meta.JavaKind; import jdk.vm.ci.meta.PlatformKind; /** * Represents the AMD64 architecture. */ public class AMD64 extends Architecture { public static final RegisterCategory CPU = new RegisterCategory("CPU"); // @formatter:off // General purpose CPU registers public static final Register rax = new Register(0, 0, "rax", CPU); public static final Register rcx = new Register(1, 1, "rcx", CPU); public static final Register rdx = new Register(2, 2, "rdx", CPU); public static final Register rbx = new Register(3, 3, "rbx", CPU); public static final Register rsp = new Register(4, 4, "rsp", CPU); public static final Register rbp = new Register(5, 5, "rbp", CPU); public static final Register rsi = new Register(6, 6, "rsi", CPU); public static final Register rdi = new Register(7, 7, "rdi", CPU); public static final Register r8 = new Register(8, 8, "r8", CPU); public static final Register r9 = new Register(9, 9, "r9", CPU); public static final Register r10 = new Register(10, 10, "r10", CPU); public static final Register r11 = new Register(11, 11, "r11", CPU); public static final Register r12 = new Register(12, 12, "r12", CPU); public static final Register r13 = new Register(13, 13, "r13", CPU); public static final Register r14 = new Register(14, 14, "r14", CPU); public static final Register r15 = new Register(15, 15, "r15", CPU); public static final Register[] cpuRegisters = { rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi, r8, r9, r10, r11, r12, r13, r14, r15 }; public static final RegisterCategory XMM = new RegisterCategory("XMM"); // XMM registers public static final Register xmm0 = new Register(16, 0, "xmm0", XMM); public static final Register xmm1 = new Register(17, 1, "xmm1", XMM); public static final Register xmm2 = new Register(18, 2, "xmm2", XMM); public static final Register xmm3 = new Register(19, 3, "xmm3", XMM); public static final Register xmm4 = new Register(20, 4, "xmm4", XMM); public static final Register xmm5 = new Register(21, 5, "xmm5", XMM); public static final Register xmm6 = new Register(22, 6, "xmm6", XMM); public static final Register xmm7 = new Register(23, 7, "xmm7", XMM); public static final Register xmm8 = new Register(24, 8, "xmm8", XMM); public static final Register xmm9 = new Register(25, 9, "xmm9", XMM); public static final Register xmm10 = new Register(26, 10, "xmm10", XMM); public static final Register xmm11 = new Register(27, 11, "xmm11", XMM); public static final Register xmm12 = new Register(28, 12, "xmm12", XMM); public static final Register xmm13 = new Register(29, 13, "xmm13", XMM); public static final Register xmm14 = new Register(30, 14, "xmm14", XMM); public static final Register xmm15 = new Register(31, 15, "xmm15", XMM); public static final Register xmm16 = new Register(32, 16, "xmm16", XMM); public static final Register xmm17 = new Register(33, 17, "xmm17", XMM); public static final Register xmm18 = new Register(34, 18, "xmm18", XMM); public static final Register xmm19 = new Register(35, 19, "xmm19", XMM); public static final Register xmm20 = new Register(36, 20, "xmm20", XMM); public static final Register xmm21 = new Register(37, 21, "xmm21", XMM); public static final Register xmm22 = new Register(38, 22, "xmm22", XMM); public static final Register xmm23 = new Register(39, 23, "xmm23", XMM); public static final Register xmm24 = new Register(40, 24, "xmm24", XMM); public static final Register xmm25 = new Register(41, 25, "xmm25", XMM); public static final Register xmm26 = new Register(42, 26, "xmm26", XMM); public static final Register xmm27 = new Register(43, 27, "xmm27", XMM); public static final Register xmm28 = new Register(44, 28, "xmm28", XMM); public static final Register xmm29 = new Register(45, 29, "xmm29", XMM); public static final Register xmm30 = new Register(46, 30, "xmm30", XMM); public static final Register xmm31 = new Register(47, 31, "xmm31", XMM); public static final Register[] xmmRegistersSSE = { xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15 }; public static final Register[] xmmRegistersAVX512 = { xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15, xmm16, xmm17, xmm18, xmm19, xmm20, xmm21, xmm22, xmm23, xmm24, xmm25, xmm26, xmm27, xmm28, xmm29, xmm30, xmm31 }; public static final RegisterCategory MASK = new RegisterCategory("MASK", false); public static final Register k0 = new Register(48, 0, "k0", MASK); public static final Register k1 = new Register(49, 1, "k1", MASK); public static final Register k2 = new Register(50, 2, "k2", MASK); public static final Register k3 = new Register(51, 3, "k3", MASK); public static final Register k4 = new Register(52, 4, "k4", MASK); public static final Register k5 = new Register(53, 5, "k5", MASK); public static final Register k6 = new Register(54, 6, "k6", MASK); public static final Register k7 = new Register(55, 7, "k7", MASK); public static final Register[] valueRegistersSSE = { rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi, r8, r9, r10, r11, r12, r13, r14, r15, xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15 }; public static final Register[] valueRegistersAVX512 = { rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi, r8, r9, r10, r11, r12, r13, r14, r15, xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15, xmm16, xmm17, xmm18, xmm19, xmm20, xmm21, xmm22, xmm23, xmm24, xmm25, xmm26, xmm27, xmm28, xmm29, xmm30, xmm31, k0, k1, k2, k3, k4, k5, k6, k7 }; /** * Register used to construct an instruction-relative address. */ public static final Register rip = new Register(56, -1, "rip", SPECIAL); public static final Register[] allRegisters = { rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi, r8, r9, r10, r11, r12, r13, r14, r15, xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7, xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15, xmm16, xmm17, xmm18, xmm19, xmm20, xmm21, xmm22, xmm23, xmm24, xmm25, xmm26, xmm27, xmm28, xmm29, xmm30, xmm31, k0, k1, k2, k3, k4, k5, k6, k7, rip }; // @formatter:on /** * Basic set of CPU features mirroring what is returned from the cpuid instruction. See: * {@code VM_Version::cpuFeatureFlags}. */ public enum CPUFeature { CX8, CMOV, FXSR, HT, MMX, AMD_3DNOW_PREFETCH, SSE, SSE2, SSE3, SSSE3, SSE4A, SSE4_1, SSE4_2, POPCNT, LZCNT, TSC, TSCINV, AVX, AVX2, AES, ERMS, CLMUL, BMI1, BMI2, RTM, ADX, AVX512F, AVX512DQ, AVX512PF, AVX512ER, AVX512CD, AVX512BW } private final EnumSet<CPUFeature> features; /** * Set of flags to control code emission. */ public enum Flag { UseCountLeadingZerosInstruction, UseCountTrailingZerosInstruction } private final EnumSet<Flag> flags; private final AMD64Kind largestKind; public AMD64(EnumSet<CPUFeature> features, EnumSet<Flag> flags) { super("AMD64", AMD64Kind.QWORD, ByteOrder.LITTLE_ENDIAN, true, allRegisters, LOAD_LOAD | LOAD_STORE | STORE_STORE, 1, 8); this.features = features; this.flags = flags; assert features.contains(CPUFeature.SSE2) : "minimum config for x64"; if (features.contains(CPUFeature.AVX512F)) { largestKind = AMD64Kind.V512_QWORD; } else if (features.contains(CPUFeature.AVX)) { largestKind = AMD64Kind.V256_QWORD; } else { largestKind = AMD64Kind.V128_QWORD; } } public EnumSet<CPUFeature> getFeatures() { return features; } public EnumSet<Flag> getFlags() { return flags; } @Override public Register[] getAvailableValueRegisters() { if (features.contains(CPUFeature.AVX512F)) { return valueRegistersAVX512; } else { return valueRegistersSSE; } } @Override public PlatformKind getPlatformKind(JavaKind javaKind) { switch (javaKind) { case Boolean: case Byte: return AMD64Kind.BYTE; case Short: case Char: return AMD64Kind.WORD; case Int: return AMD64Kind.DWORD; case Long: case Object: return AMD64Kind.QWORD; case Float: return AMD64Kind.SINGLE; case Double: return AMD64Kind.DOUBLE; default: return null; } } @Override public boolean canStoreValue(RegisterCategory category, PlatformKind platformKind) { AMD64Kind kind = (AMD64Kind) platformKind; if (kind.isInteger()) { return category.equals(CPU); } else if (kind.isXMM()) { return category.equals(XMM); } else { assert kind.isMask(); return category.equals(MASK); } } @Override public AMD64Kind getLargestStorableKind(RegisterCategory category) { if (category.equals(CPU)) { return AMD64Kind.QWORD; } else if (category.equals(XMM)) { return largestKind; } else if (category.equals(MASK)) { return AMD64Kind.MASK64; } else { return null; } } }