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/*
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* Copyright (c) 2009, 2015, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package jdk.vm.ci.amd64;
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import static jdk.vm.ci.code.MemoryBarriers.LOAD_LOAD;
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import static jdk.vm.ci.code.MemoryBarriers.LOAD_STORE;
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import static jdk.vm.ci.code.MemoryBarriers.STORE_STORE;
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import static jdk.vm.ci.code.Register.SPECIAL;
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import java.nio.ByteOrder;
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import java.util.EnumSet;
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import jdk.vm.ci.code.Architecture;
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import jdk.vm.ci.code.Register;
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import jdk.vm.ci.code.Register.RegisterCategory;
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import jdk.vm.ci.code.RegisterArray;
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import jdk.vm.ci.meta.JavaKind;
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import jdk.vm.ci.meta.PlatformKind;
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/**
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* Represents the AMD64 architecture.
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*/
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public class AMD64 extends Architecture {
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public static final RegisterCategory CPU = new RegisterCategory("CPU");
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// @formatter:off
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// General purpose CPU registers
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public static final Register rax = new Register(0, 0, "rax", CPU);
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public static final Register rcx = new Register(1, 1, "rcx", CPU);
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public static final Register rdx = new Register(2, 2, "rdx", CPU);
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public static final Register rbx = new Register(3, 3, "rbx", CPU);
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public static final Register rsp = new Register(4, 4, "rsp", CPU);
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public static final Register rbp = new Register(5, 5, "rbp", CPU);
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public static final Register rsi = new Register(6, 6, "rsi", CPU);
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public static final Register rdi = new Register(7, 7, "rdi", CPU);
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public static final Register r8 = new Register(8, 8, "r8", CPU);
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public static final Register r9 = new Register(9, 9, "r9", CPU);
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public static final Register r10 = new Register(10, 10, "r10", CPU);
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public static final Register r11 = new Register(11, 11, "r11", CPU);
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public static final Register r12 = new Register(12, 12, "r12", CPU);
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public static final Register r13 = new Register(13, 13, "r13", CPU);
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public static final Register r14 = new Register(14, 14, "r14", CPU);
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public static final Register r15 = new Register(15, 15, "r15", CPU);
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public static final Register[] cpuRegisters = {
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rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi,
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r8, r9, r10, r11, r12, r13, r14, r15
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};
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public static final RegisterCategory XMM = new RegisterCategory("XMM");
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// XMM registers
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public static final Register xmm0 = new Register(16, 0, "xmm0", XMM);
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public static final Register xmm1 = new Register(17, 1, "xmm1", XMM);
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public static final Register xmm2 = new Register(18, 2, "xmm2", XMM);
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public static final Register xmm3 = new Register(19, 3, "xmm3", XMM);
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public static final Register xmm4 = new Register(20, 4, "xmm4", XMM);
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public static final Register xmm5 = new Register(21, 5, "xmm5", XMM);
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public static final Register xmm6 = new Register(22, 6, "xmm6", XMM);
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public static final Register xmm7 = new Register(23, 7, "xmm7", XMM);
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public static final Register xmm8 = new Register(24, 8, "xmm8", XMM);
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public static final Register xmm9 = new Register(25, 9, "xmm9", XMM);
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public static final Register xmm10 = new Register(26, 10, "xmm10", XMM);
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public static final Register xmm11 = new Register(27, 11, "xmm11", XMM);
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public static final Register xmm12 = new Register(28, 12, "xmm12", XMM);
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public static final Register xmm13 = new Register(29, 13, "xmm13", XMM);
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public static final Register xmm14 = new Register(30, 14, "xmm14", XMM);
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public static final Register xmm15 = new Register(31, 15, "xmm15", XMM);
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public static final Register xmm16 = new Register(32, 16, "xmm16", XMM);
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public static final Register xmm17 = new Register(33, 17, "xmm17", XMM);
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public static final Register xmm18 = new Register(34, 18, "xmm18", XMM);
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public static final Register xmm19 = new Register(35, 19, "xmm19", XMM);
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public static final Register xmm20 = new Register(36, 20, "xmm20", XMM);
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public static final Register xmm21 = new Register(37, 21, "xmm21", XMM);
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public static final Register xmm22 = new Register(38, 22, "xmm22", XMM);
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public static final Register xmm23 = new Register(39, 23, "xmm23", XMM);
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public static final Register xmm24 = new Register(40, 24, "xmm24", XMM);
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public static final Register xmm25 = new Register(41, 25, "xmm25", XMM);
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public static final Register xmm26 = new Register(42, 26, "xmm26", XMM);
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public static final Register xmm27 = new Register(43, 27, "xmm27", XMM);
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public static final Register xmm28 = new Register(44, 28, "xmm28", XMM);
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public static final Register xmm29 = new Register(45, 29, "xmm29", XMM);
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public static final Register xmm30 = new Register(46, 30, "xmm30", XMM);
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public static final Register xmm31 = new Register(47, 31, "xmm31", XMM);
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public static final Register[] xmmRegistersSSE = {
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xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7,
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xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15
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};
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public static final Register[] xmmRegistersAVX512 = {
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xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7,
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xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15,
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xmm16, xmm17, xmm18, xmm19, xmm20, xmm21, xmm22, xmm23,
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xmm24, xmm25, xmm26, xmm27, xmm28, xmm29, xmm30, xmm31
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};
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public static final RegisterCategory MASK = new RegisterCategory("MASK", false);
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public static final Register k0 = new Register(48, 0, "k0", MASK);
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public static final Register k1 = new Register(49, 1, "k1", MASK);
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public static final Register k2 = new Register(50, 2, "k2", MASK);
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public static final Register k3 = new Register(51, 3, "k3", MASK);
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public static final Register k4 = new Register(52, 4, "k4", MASK);
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public static final Register k5 = new Register(53, 5, "k5", MASK);
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public static final Register k6 = new Register(54, 6, "k6", MASK);
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public static final Register k7 = new Register(55, 7, "k7", MASK);
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public static final RegisterArray valueRegistersSSE = new RegisterArray(
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rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi,
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r8, r9, r10, r11, r12, r13, r14, r15,
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xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7,
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xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15
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);
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public static final RegisterArray valueRegistersAVX512 = new RegisterArray(
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rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi,
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r8, r9, r10, r11, r12, r13, r14, r15,
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xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7,
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xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15,
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xmm16, xmm17, xmm18, xmm19, xmm20, xmm21, xmm22, xmm23,
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xmm24, xmm25, xmm26, xmm27, xmm28, xmm29, xmm30, xmm31,
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k0, k1, k2, k3, k4, k5, k6, k7
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);
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/**
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* Register used to construct an instruction-relative address.
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*/
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public static final Register rip = new Register(56, -1, "rip", SPECIAL);
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public static final RegisterArray allRegisters = new RegisterArray(
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rax, rcx, rdx, rbx, rsp, rbp, rsi, rdi,
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r8, r9, r10, r11, r12, r13, r14, r15,
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xmm0, xmm1, xmm2, xmm3, xmm4, xmm5, xmm6, xmm7,
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xmm8, xmm9, xmm10, xmm11, xmm12, xmm13, xmm14, xmm15,
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xmm16, xmm17, xmm18, xmm19, xmm20, xmm21, xmm22, xmm23,
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xmm24, xmm25, xmm26, xmm27, xmm28, xmm29, xmm30, xmm31,
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k0, k1, k2, k3, k4, k5, k6, k7,
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rip
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);
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// @formatter:on
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/**
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* Basic set of CPU features mirroring what is returned from the cpuid instruction. See:
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* {@code VM_Version::cpuFeatureFlags}.
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*/
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public enum CPUFeature {
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CX8,
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CMOV,
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FXSR,
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HT,
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MMX,
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AMD_3DNOW_PREFETCH,
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SSE,
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SSE2,
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SSE3,
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SSSE3,
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SSE4A,
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SSE4_1,
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SSE4_2,
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POPCNT,
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LZCNT,
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TSC,
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TSCINV,
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AVX,
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AVX2,
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AES,
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ERMS,
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CLMUL,
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BMI1,
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BMI2,
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RTM,
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ADX,
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AVX512F,
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AVX512DQ,
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AVX512PF,
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AVX512ER,
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AVX512CD,
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AVX512BW,
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AVX512VL,
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SHA,
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FMA
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}
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private final EnumSet<CPUFeature> features;
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/**
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* Set of flags to control code emission.
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*/
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public enum Flag {
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UseCountLeadingZerosInstruction,
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UseCountTrailingZerosInstruction
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}
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private final EnumSet<Flag> flags;
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private final AMD64Kind largestKind;
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public AMD64(EnumSet<CPUFeature> features, EnumSet<Flag> flags) {
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super("AMD64", AMD64Kind.QWORD, ByteOrder.LITTLE_ENDIAN, true, allRegisters, LOAD_LOAD | LOAD_STORE | STORE_STORE, 1, 8);
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this.features = features;
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this.flags = flags;
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assert features.contains(CPUFeature.SSE2) : "minimum config for x64";
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if (features.contains(CPUFeature.AVX512F)) {
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largestKind = AMD64Kind.V512_QWORD;
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} else if (features.contains(CPUFeature.AVX)) {
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largestKind = AMD64Kind.V256_QWORD;
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} else {
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largestKind = AMD64Kind.V128_QWORD;
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}
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}
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public EnumSet<CPUFeature> getFeatures() {
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return features;
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}
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public EnumSet<Flag> getFlags() {
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return flags;
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}
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@Override
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public RegisterArray getAvailableValueRegisters() {
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if (features.contains(CPUFeature.AVX512F)) {
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return valueRegistersAVX512;
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} else {
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return valueRegistersSSE;
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}
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}
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@Override
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public PlatformKind getPlatformKind(JavaKind javaKind) {
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switch (javaKind) {
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case Boolean:
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case Byte:
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return AMD64Kind.BYTE;
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case Short:
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case Char:
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return AMD64Kind.WORD;
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case Int:
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return AMD64Kind.DWORD;
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case Long:
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case Object:
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return AMD64Kind.QWORD;
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case Float:
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return AMD64Kind.SINGLE;
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case Double:
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return AMD64Kind.DOUBLE;
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default:
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return null;
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}
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}
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@Override
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public boolean canStoreValue(RegisterCategory category, PlatformKind platformKind) {
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AMD64Kind kind = (AMD64Kind) platformKind;
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if (kind.isInteger()) {
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return category.equals(CPU);
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} else if (kind.isXMM()) {
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return category.equals(XMM);
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} else {
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assert kind.isMask();
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return category.equals(MASK);
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}
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}
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@Override
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public AMD64Kind getLargestStorableKind(RegisterCategory category) {
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if (category.equals(CPU)) {
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return AMD64Kind.QWORD;
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} else if (category.equals(XMM)) {
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return largestKind;
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} else if (category.equals(MASK)) {
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return AMD64Kind.MASK64;
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} else {
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return null;
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}
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}
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}
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