Mercurial > hg > graal-jvmci-8
annotate src/share/vm/opto/output.hpp @ 24234:ea6f94ab283b default tip
Added tag jvmci-0.36 for changeset 8128b98d4736
| author | Gilles Duboscq <gilles.m.duboscq@oracle.com> |
|---|---|
| date | Mon, 18 Sep 2017 18:49:45 +0200 |
| parents | dd9cc155639c |
| children |
| rev | line source |
|---|---|
| 0 | 1 /* |
|
22851
ddce0b7cee93
8072383: resolve conflicts between open and closed ports
dlong
parents:
14456
diff
changeset
|
2 * Copyright (c) 2000, 2015, Oracle and/or its affiliates. All rights reserved. |
| 0 | 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 * | |
|
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
|
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
21 * questions. |
| 0 | 22 * |
| 23 */ | |
| 24 | |
| 1972 | 25 #ifndef SHARE_VM_OPTO_OUTPUT_HPP |
| 26 #define SHARE_VM_OPTO_OUTPUT_HPP | |
| 27 | |
| 28 #include "opto/block.hpp" | |
| 29 #include "opto/node.hpp" | |
|
22851
ddce0b7cee93
8072383: resolve conflicts between open and closed ports
dlong
parents:
14456
diff
changeset
|
30 #if defined AD_MD_HPP |
|
ddce0b7cee93
8072383: resolve conflicts between open and closed ports
dlong
parents:
14456
diff
changeset
|
31 # include AD_MD_HPP |
|
ddce0b7cee93
8072383: resolve conflicts between open and closed ports
dlong
parents:
14456
diff
changeset
|
32 #elif defined TARGET_ARCH_MODEL_x86_32 |
| 1972 | 33 # include "adfiles/ad_x86_32.hpp" |
|
22851
ddce0b7cee93
8072383: resolve conflicts between open and closed ports
dlong
parents:
14456
diff
changeset
|
34 #elif defined TARGET_ARCH_MODEL_x86_64 |
| 1972 | 35 # include "adfiles/ad_x86_64.hpp" |
|
22851
ddce0b7cee93
8072383: resolve conflicts between open and closed ports
dlong
parents:
14456
diff
changeset
|
36 #elif defined TARGET_ARCH_MODEL_sparc |
| 1972 | 37 # include "adfiles/ad_sparc.hpp" |
|
22851
ddce0b7cee93
8072383: resolve conflicts between open and closed ports
dlong
parents:
14456
diff
changeset
|
38 #elif defined TARGET_ARCH_MODEL_zero |
| 1972 | 39 # include "adfiles/ad_zero.hpp" |
|
22851
ddce0b7cee93
8072383: resolve conflicts between open and closed ports
dlong
parents:
14456
diff
changeset
|
40 #elif defined TARGET_ARCH_MODEL_ppc_64 |
| 14391 | 41 # include "adfiles/ad_ppc_64.hpp" |
|
2192
b92c45f2bc75
7016023: Enable building ARM and PPC from src/closed repository
bobv
parents:
1972
diff
changeset
|
42 #endif |
| 1972 | 43 |
| 0 | 44 class Arena; |
| 45 class Bundle; | |
| 46 class Block; | |
| 47 class Block_Array; | |
| 48 class Node; | |
| 49 class Node_Array; | |
| 50 class Node_List; | |
| 51 class PhaseCFG; | |
| 52 class PhaseChaitin; | |
| 53 class Pipeline_Use_Element; | |
| 54 class Pipeline_Use; | |
| 55 | |
| 56 #ifndef PRODUCT | |
| 57 #define DEBUG_ARG(x) , x | |
| 58 #else | |
| 59 #define DEBUG_ARG(x) | |
| 60 #endif | |
| 61 | |
| 62 // Define the initial sizes for allocation of the resizable code buffer | |
| 63 enum { | |
| 64 initial_code_capacity = 16 * 1024, | |
| 65 initial_stub_capacity = 4 * 1024, | |
| 66 initial_const_capacity = 4 * 1024, | |
| 67 initial_locs_capacity = 3 * 1024 | |
| 68 }; | |
| 69 | |
| 70 //------------------------------Scheduling---------------------------------- | |
| 71 // This class contains all the information necessary to implement instruction | |
| 72 // scheduling and bundling. | |
| 73 class Scheduling { | |
| 74 | |
| 75 private: | |
| 76 // Arena to use | |
| 77 Arena *_arena; | |
| 78 | |
| 79 // Control-Flow Graph info | |
| 80 PhaseCFG *_cfg; | |
| 81 | |
| 82 // Register Allocation info | |
| 83 PhaseRegAlloc *_regalloc; | |
| 84 | |
| 85 // Number of nodes in the method | |
| 86 uint _node_bundling_limit; | |
| 87 | |
| 88 // List of scheduled nodes. Generated in reverse order | |
| 89 Node_List _scheduled; | |
| 90 | |
| 91 // List of nodes currently available for choosing for scheduling | |
| 92 Node_List _available; | |
| 93 | |
| 94 // For each instruction beginning a bundle, the number of following | |
| 95 // nodes to be bundled with it. | |
| 96 Bundle *_node_bundling_base; | |
| 97 | |
| 98 // Mapping from register to Node | |
| 99 Node_List _reg_node; | |
| 100 | |
| 101 // Free list for pinch nodes. | |
| 102 Node_List _pinch_free_list; | |
| 103 | |
| 104 // Latency from the beginning of the containing basic block (base 1) | |
| 105 // for each node. | |
| 106 unsigned short *_node_latency; | |
| 107 | |
| 108 // Number of uses of this node within the containing basic block. | |
| 109 short *_uses; | |
| 110 | |
| 111 // Schedulable portion of current block. Skips Region/Phi/CreateEx up | |
| 112 // front, branch+proj at end. Also skips Catch/CProj (same as | |
| 113 // branch-at-end), plus just-prior exception-throwing call. | |
| 114 uint _bb_start, _bb_end; | |
| 115 | |
| 116 // Latency from the end of the basic block as scheduled | |
| 117 unsigned short *_current_latency; | |
| 118 | |
| 119 // Remember the next node | |
| 120 Node *_next_node; | |
| 121 | |
| 122 // Use this for an unconditional branch delay slot | |
| 123 Node *_unconditional_delay_slot; | |
| 124 | |
| 125 // Pointer to a Nop | |
| 126 MachNopNode *_nop; | |
| 127 | |
| 128 // Length of the current bundle, in instructions | |
| 129 uint _bundle_instr_count; | |
| 130 | |
| 131 // Current Cycle number, for computing latencies and bundling | |
| 132 uint _bundle_cycle_number; | |
| 133 | |
| 134 // Bundle information | |
| 135 Pipeline_Use_Element _bundle_use_elements[resource_count]; | |
| 136 Pipeline_Use _bundle_use; | |
| 137 | |
| 138 // Dump the available list | |
| 139 void dump_available() const; | |
| 140 | |
| 141 public: | |
| 142 Scheduling(Arena *arena, Compile &compile); | |
| 143 | |
| 144 // Destructor | |
| 145 NOT_PRODUCT( ~Scheduling(); ) | |
| 146 | |
| 147 // Step ahead "i" cycles | |
| 148 void step(uint i); | |
| 149 | |
| 150 // Step ahead 1 cycle, and clear the bundle state (for example, | |
| 151 // at a branch target) | |
| 152 void step_and_clear(); | |
| 153 | |
| 154 Bundle* node_bundling(const Node *n) { | |
| 155 assert(valid_bundle_info(n), "oob"); | |
| 156 return (&_node_bundling_base[n->_idx]); | |
| 157 } | |
| 158 | |
| 159 bool valid_bundle_info(const Node *n) const { | |
| 160 return (_node_bundling_limit > n->_idx); | |
| 161 } | |
| 162 | |
| 163 bool starts_bundle(const Node *n) const { | |
| 164 return (_node_bundling_limit > n->_idx && _node_bundling_base[n->_idx].starts_bundle()); | |
| 165 } | |
| 166 | |
| 167 // Do the scheduling | |
| 168 void DoScheduling(); | |
| 169 | |
| 170 // Compute the local latencies walking forward over the list of | |
| 171 // nodes for a basic block | |
| 172 void ComputeLocalLatenciesForward(const Block *bb); | |
| 173 | |
| 174 // Compute the register antidependencies within a basic block | |
| 175 void ComputeRegisterAntidependencies(Block *bb); | |
| 176 void verify_do_def( Node *n, OptoReg::Name def, const char *msg ); | |
| 177 void verify_good_schedule( Block *b, const char *msg ); | |
| 178 void anti_do_def( Block *b, Node *def, OptoReg::Name def_reg, int is_def ); | |
| 179 void anti_do_use( Block *b, Node *use, OptoReg::Name use_reg ); | |
| 180 | |
| 181 // Add a node to the current bundle | |
| 182 void AddNodeToBundle(Node *n, const Block *bb); | |
| 183 | |
| 184 // Add a node to the list of available nodes | |
| 185 void AddNodeToAvailableList(Node *n); | |
| 186 | |
| 187 // Compute the local use count for the nodes in a block, and compute | |
| 188 // the list of instructions with no uses in the block as available | |
| 189 void ComputeUseCount(const Block *bb); | |
| 190 | |
| 191 // Choose an instruction from the available list to add to the bundle | |
| 192 Node * ChooseNodeToBundle(); | |
| 193 | |
| 194 // See if this Node fits into the currently accumulating bundle | |
| 195 bool NodeFitsInBundle(Node *n); | |
| 196 | |
| 197 // Decrement the use count for a node | |
| 198 void DecrementUseCounts(Node *n, const Block *bb); | |
| 199 | |
| 200 // Garbage collect pinch nodes for reuse by other blocks. | |
| 201 void garbage_collect_pinch_nodes(); | |
| 202 // Clean up a pinch node for reuse (helper for above). | |
| 203 void cleanup_pinch( Node *pinch ); | |
| 204 | |
| 205 // Information for statistics gathering | |
| 206 #ifndef PRODUCT | |
| 207 private: | |
| 208 // Gather information on size of nops relative to total | |
| 209 uint _branches, _unconditional_delays; | |
| 210 | |
| 211 static uint _total_nop_size, _total_method_size; | |
| 212 static uint _total_branches, _total_unconditional_delays; | |
| 213 static uint _total_instructions_per_bundle[Pipeline::_max_instrs_per_cycle+1]; | |
| 214 | |
| 215 public: | |
| 216 static void print_statistics(); | |
| 217 | |
| 218 static void increment_instructions_per_bundle(uint i) { | |
| 219 _total_instructions_per_bundle[i]++; | |
| 220 } | |
| 221 | |
| 222 static void increment_nop_size(uint s) { | |
| 223 _total_nop_size += s; | |
| 224 } | |
| 225 | |
| 226 static void increment_method_size(uint s) { | |
| 227 _total_method_size += s; | |
| 228 } | |
| 229 #endif | |
| 230 | |
| 231 }; | |
| 1972 | 232 |
| 233 #endif // SHARE_VM_OPTO_OUTPUT_HPP |