| /* |
| * 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.code.RegisterArray; |
| 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 RegisterArray valueRegistersSSE = new RegisterArray( |
| 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 RegisterArray valueRegistersAVX512 = new RegisterArray( |
| 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 RegisterArray allRegisters = new RegisterArray( |
| 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, |
| AVX512VL, |
| SHA, |
| FMA |
| } |
| |
| 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 RegisterArray 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; |
| } |
| } |
| } |