Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2012 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | |
| 17 | #include "dex/compiler_ir.h" |
Vladimir Marko | 5c96e6b | 2013-11-14 15:34:17 +0000 | [diff] [blame] | 18 | #include "dex/frontend.h" |
| 19 | #include "dex/quick/dex_file_method_inliner.h" |
| 20 | #include "dex/quick/dex_file_to_method_inliner_map.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 21 | #include "dex_file-inl.h" |
Ian Rogers | 166db04 | 2013-07-26 12:05:57 -0700 | [diff] [blame] | 22 | #include "entrypoints/quick/quick_entrypoints.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 23 | #include "invoke_type.h" |
| 24 | #include "mirror/array.h" |
| 25 | #include "mirror/string.h" |
| 26 | #include "mir_to_lir-inl.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 27 | #include "x86/codegen_x86.h" |
| 28 | |
| 29 | namespace art { |
| 30 | |
| 31 | /* |
| 32 | * This source files contains "gen" codegen routines that should |
| 33 | * be applicable to most targets. Only mid-level support utilities |
| 34 | * and "op" calls may be used here. |
| 35 | */ |
| 36 | |
| 37 | /* |
| 38 | * To save scheduling time, helper calls are broken into two parts: generation of |
| 39 | * the helper target address, and the actuall call to the helper. Because x86 |
| 40 | * has a memory call operation, part 1 is a NOP for x86. For other targets, |
| 41 | * load arguments between the two parts. |
| 42 | */ |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 43 | int Mir2Lir::CallHelperSetup(ThreadOffset helper_offset) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 44 | return (cu_->instruction_set == kX86) ? 0 : LoadHelper(helper_offset); |
| 45 | } |
| 46 | |
| 47 | /* NOTE: if r_tgt is a temp, it will be freed following use */ |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 48 | LIR* Mir2Lir::CallHelper(int r_tgt, ThreadOffset helper_offset, bool safepoint_pc) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 49 | LIR* call_inst; |
| 50 | if (cu_->instruction_set == kX86) { |
| 51 | call_inst = OpThreadMem(kOpBlx, helper_offset); |
| 52 | } else { |
| 53 | call_inst = OpReg(kOpBlx, r_tgt); |
| 54 | FreeTemp(r_tgt); |
| 55 | } |
| 56 | if (safepoint_pc) { |
| 57 | MarkSafepointPC(call_inst); |
| 58 | } |
| 59 | return call_inst; |
| 60 | } |
| 61 | |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 62 | void Mir2Lir::CallRuntimeHelperImm(ThreadOffset helper_offset, int arg0, bool safepoint_pc) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 63 | int r_tgt = CallHelperSetup(helper_offset); |
| 64 | LoadConstant(TargetReg(kArg0), arg0); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame^] | 65 | ClobberCallerSave(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 66 | CallHelper(r_tgt, helper_offset, safepoint_pc); |
| 67 | } |
| 68 | |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 69 | void Mir2Lir::CallRuntimeHelperReg(ThreadOffset helper_offset, int arg0, bool safepoint_pc) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 70 | int r_tgt = CallHelperSetup(helper_offset); |
| 71 | OpRegCopy(TargetReg(kArg0), arg0); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame^] | 72 | ClobberCallerSave(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 73 | CallHelper(r_tgt, helper_offset, safepoint_pc); |
| 74 | } |
| 75 | |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 76 | void Mir2Lir::CallRuntimeHelperRegLocation(ThreadOffset helper_offset, RegLocation arg0, |
| 77 | bool safepoint_pc) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 78 | int r_tgt = CallHelperSetup(helper_offset); |
| 79 | if (arg0.wide == 0) { |
| 80 | LoadValueDirectFixed(arg0, TargetReg(kArg0)); |
| 81 | } else { |
| 82 | LoadValueDirectWideFixed(arg0, TargetReg(kArg0), TargetReg(kArg1)); |
| 83 | } |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame^] | 84 | ClobberCallerSave(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 85 | CallHelper(r_tgt, helper_offset, safepoint_pc); |
| 86 | } |
| 87 | |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 88 | void Mir2Lir::CallRuntimeHelperImmImm(ThreadOffset helper_offset, int arg0, int arg1, |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 89 | bool safepoint_pc) { |
| 90 | int r_tgt = CallHelperSetup(helper_offset); |
| 91 | LoadConstant(TargetReg(kArg0), arg0); |
| 92 | LoadConstant(TargetReg(kArg1), arg1); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame^] | 93 | ClobberCallerSave(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 94 | CallHelper(r_tgt, helper_offset, safepoint_pc); |
| 95 | } |
| 96 | |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 97 | void Mir2Lir::CallRuntimeHelperImmRegLocation(ThreadOffset helper_offset, int arg0, |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 98 | RegLocation arg1, bool safepoint_pc) { |
| 99 | int r_tgt = CallHelperSetup(helper_offset); |
| 100 | if (arg1.wide == 0) { |
| 101 | LoadValueDirectFixed(arg1, TargetReg(kArg1)); |
| 102 | } else { |
| 103 | LoadValueDirectWideFixed(arg1, TargetReg(kArg1), TargetReg(kArg2)); |
| 104 | } |
| 105 | LoadConstant(TargetReg(kArg0), arg0); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame^] | 106 | ClobberCallerSave(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 107 | CallHelper(r_tgt, helper_offset, safepoint_pc); |
| 108 | } |
| 109 | |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 110 | void Mir2Lir::CallRuntimeHelperRegLocationImm(ThreadOffset helper_offset, RegLocation arg0, int arg1, |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 111 | bool safepoint_pc) { |
| 112 | int r_tgt = CallHelperSetup(helper_offset); |
| 113 | LoadValueDirectFixed(arg0, TargetReg(kArg0)); |
| 114 | LoadConstant(TargetReg(kArg1), arg1); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame^] | 115 | ClobberCallerSave(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 116 | CallHelper(r_tgt, helper_offset, safepoint_pc); |
| 117 | } |
| 118 | |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 119 | void Mir2Lir::CallRuntimeHelperImmReg(ThreadOffset helper_offset, int arg0, int arg1, |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 120 | bool safepoint_pc) { |
| 121 | int r_tgt = CallHelperSetup(helper_offset); |
| 122 | OpRegCopy(TargetReg(kArg1), arg1); |
| 123 | LoadConstant(TargetReg(kArg0), arg0); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame^] | 124 | ClobberCallerSave(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 125 | CallHelper(r_tgt, helper_offset, safepoint_pc); |
| 126 | } |
| 127 | |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 128 | void Mir2Lir::CallRuntimeHelperRegImm(ThreadOffset helper_offset, int arg0, int arg1, |
| 129 | bool safepoint_pc) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 130 | int r_tgt = CallHelperSetup(helper_offset); |
| 131 | OpRegCopy(TargetReg(kArg0), arg0); |
| 132 | LoadConstant(TargetReg(kArg1), arg1); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame^] | 133 | ClobberCallerSave(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 134 | CallHelper(r_tgt, helper_offset, safepoint_pc); |
| 135 | } |
| 136 | |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 137 | void Mir2Lir::CallRuntimeHelperImmMethod(ThreadOffset helper_offset, int arg0, bool safepoint_pc) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 138 | int r_tgt = CallHelperSetup(helper_offset); |
| 139 | LoadCurrMethodDirect(TargetReg(kArg1)); |
| 140 | LoadConstant(TargetReg(kArg0), arg0); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame^] | 141 | ClobberCallerSave(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 142 | CallHelper(r_tgt, helper_offset, safepoint_pc); |
| 143 | } |
| 144 | |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 145 | void Mir2Lir::CallRuntimeHelperRegLocationRegLocation(ThreadOffset helper_offset, RegLocation arg0, |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 146 | RegLocation arg1, bool safepoint_pc) { |
| 147 | int r_tgt = CallHelperSetup(helper_offset); |
| 148 | if (arg0.wide == 0) { |
| 149 | LoadValueDirectFixed(arg0, arg0.fp ? TargetReg(kFArg0) : TargetReg(kArg0)); |
| 150 | if (arg1.wide == 0) { |
| 151 | if (cu_->instruction_set == kMips) { |
| 152 | LoadValueDirectFixed(arg1, arg1.fp ? TargetReg(kFArg2) : TargetReg(kArg1)); |
| 153 | } else { |
| 154 | LoadValueDirectFixed(arg1, TargetReg(kArg1)); |
| 155 | } |
| 156 | } else { |
| 157 | if (cu_->instruction_set == kMips) { |
| 158 | LoadValueDirectWideFixed(arg1, arg1.fp ? TargetReg(kFArg2) : TargetReg(kArg1), arg1.fp ? TargetReg(kFArg3) : TargetReg(kArg2)); |
| 159 | } else { |
| 160 | LoadValueDirectWideFixed(arg1, TargetReg(kArg1), TargetReg(kArg2)); |
| 161 | } |
| 162 | } |
| 163 | } else { |
| 164 | LoadValueDirectWideFixed(arg0, arg0.fp ? TargetReg(kFArg0) : TargetReg(kArg0), arg0.fp ? TargetReg(kFArg1) : TargetReg(kArg1)); |
| 165 | if (arg1.wide == 0) { |
| 166 | LoadValueDirectFixed(arg1, arg1.fp ? TargetReg(kFArg2) : TargetReg(kArg2)); |
| 167 | } else { |
| 168 | LoadValueDirectWideFixed(arg1, arg1.fp ? TargetReg(kFArg2) : TargetReg(kArg2), arg1.fp ? TargetReg(kFArg3) : TargetReg(kArg3)); |
| 169 | } |
| 170 | } |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame^] | 171 | ClobberCallerSave(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 172 | CallHelper(r_tgt, helper_offset, safepoint_pc); |
| 173 | } |
| 174 | |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 175 | void Mir2Lir::CallRuntimeHelperRegReg(ThreadOffset helper_offset, int arg0, int arg1, |
| 176 | bool safepoint_pc) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 177 | int r_tgt = CallHelperSetup(helper_offset); |
| 178 | DCHECK_NE(TargetReg(kArg0), arg1); // check copy into arg0 won't clobber arg1 |
| 179 | OpRegCopy(TargetReg(kArg0), arg0); |
| 180 | OpRegCopy(TargetReg(kArg1), arg1); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame^] | 181 | ClobberCallerSave(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 182 | CallHelper(r_tgt, helper_offset, safepoint_pc); |
| 183 | } |
| 184 | |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 185 | void Mir2Lir::CallRuntimeHelperRegRegImm(ThreadOffset helper_offset, int arg0, int arg1, |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 186 | int arg2, bool safepoint_pc) { |
| 187 | int r_tgt = CallHelperSetup(helper_offset); |
| 188 | DCHECK_NE(TargetReg(kArg0), arg1); // check copy into arg0 won't clobber arg1 |
| 189 | OpRegCopy(TargetReg(kArg0), arg0); |
| 190 | OpRegCopy(TargetReg(kArg1), arg1); |
| 191 | LoadConstant(TargetReg(kArg2), arg2); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame^] | 192 | ClobberCallerSave(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 193 | CallHelper(r_tgt, helper_offset, safepoint_pc); |
| 194 | } |
| 195 | |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 196 | void Mir2Lir::CallRuntimeHelperImmMethodRegLocation(ThreadOffset helper_offset, |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 197 | int arg0, RegLocation arg2, bool safepoint_pc) { |
| 198 | int r_tgt = CallHelperSetup(helper_offset); |
| 199 | LoadValueDirectFixed(arg2, TargetReg(kArg2)); |
| 200 | LoadCurrMethodDirect(TargetReg(kArg1)); |
| 201 | LoadConstant(TargetReg(kArg0), arg0); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame^] | 202 | ClobberCallerSave(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 203 | CallHelper(r_tgt, helper_offset, safepoint_pc); |
| 204 | } |
| 205 | |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 206 | void Mir2Lir::CallRuntimeHelperImmMethodImm(ThreadOffset helper_offset, int arg0, |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 207 | int arg2, bool safepoint_pc) { |
| 208 | int r_tgt = CallHelperSetup(helper_offset); |
| 209 | LoadCurrMethodDirect(TargetReg(kArg1)); |
| 210 | LoadConstant(TargetReg(kArg2), arg2); |
| 211 | LoadConstant(TargetReg(kArg0), arg0); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame^] | 212 | ClobberCallerSave(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 213 | CallHelper(r_tgt, helper_offset, safepoint_pc); |
| 214 | } |
| 215 | |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 216 | void Mir2Lir::CallRuntimeHelperImmRegLocationRegLocation(ThreadOffset helper_offset, |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 217 | int arg0, RegLocation arg1, |
| 218 | RegLocation arg2, bool safepoint_pc) { |
| 219 | int r_tgt = CallHelperSetup(helper_offset); |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 220 | DCHECK_EQ(arg1.wide, 0U); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 221 | LoadValueDirectFixed(arg1, TargetReg(kArg1)); |
| 222 | if (arg2.wide == 0) { |
| 223 | LoadValueDirectFixed(arg2, TargetReg(kArg2)); |
| 224 | } else { |
| 225 | LoadValueDirectWideFixed(arg2, TargetReg(kArg2), TargetReg(kArg3)); |
| 226 | } |
| 227 | LoadConstant(TargetReg(kArg0), arg0); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame^] | 228 | ClobberCallerSave(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 229 | CallHelper(r_tgt, helper_offset, safepoint_pc); |
| 230 | } |
| 231 | |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 232 | void Mir2Lir::CallRuntimeHelperRegLocationRegLocationRegLocation(ThreadOffset helper_offset, |
| 233 | RegLocation arg0, RegLocation arg1, |
| 234 | RegLocation arg2, |
| 235 | bool safepoint_pc) { |
| 236 | int r_tgt = CallHelperSetup(helper_offset); |
| 237 | DCHECK_EQ(arg0.wide, 0U); |
| 238 | LoadValueDirectFixed(arg0, TargetReg(kArg0)); |
| 239 | DCHECK_EQ(arg1.wide, 0U); |
| 240 | LoadValueDirectFixed(arg1, TargetReg(kArg1)); |
| 241 | DCHECK_EQ(arg1.wide, 0U); |
| 242 | LoadValueDirectFixed(arg2, TargetReg(kArg2)); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame^] | 243 | ClobberCallerSave(); |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 244 | CallHelper(r_tgt, helper_offset, safepoint_pc); |
| 245 | } |
| 246 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 247 | /* |
| 248 | * If there are any ins passed in registers that have not been promoted |
| 249 | * to a callee-save register, flush them to the frame. Perform intial |
| 250 | * assignment of promoted arguments. |
| 251 | * |
| 252 | * ArgLocs is an array of location records describing the incoming arguments |
| 253 | * with one location record per word of argument. |
| 254 | */ |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 255 | void Mir2Lir::FlushIns(RegLocation* ArgLocs, RegLocation rl_method) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 256 | /* |
| 257 | * Dummy up a RegLocation for the incoming Method* |
| 258 | * It will attempt to keep kArg0 live (or copy it to home location |
| 259 | * if promoted). |
| 260 | */ |
| 261 | RegLocation rl_src = rl_method; |
| 262 | rl_src.location = kLocPhysReg; |
| 263 | rl_src.low_reg = TargetReg(kArg0); |
| 264 | rl_src.home = false; |
| 265 | MarkLive(rl_src.low_reg, rl_src.s_reg_low); |
| 266 | StoreValue(rl_method, rl_src); |
| 267 | // If Method* has been promoted, explicitly flush |
| 268 | if (rl_method.location == kLocPhysReg) { |
| 269 | StoreWordDisp(TargetReg(kSp), 0, TargetReg(kArg0)); |
| 270 | } |
| 271 | |
| 272 | if (cu_->num_ins == 0) |
| 273 | return; |
| 274 | const int num_arg_regs = 3; |
| 275 | static SpecialTargetRegister arg_regs[] = {kArg1, kArg2, kArg3}; |
| 276 | int start_vreg = cu_->num_dalvik_registers - cu_->num_ins; |
| 277 | /* |
| 278 | * Copy incoming arguments to their proper home locations. |
| 279 | * NOTE: an older version of dx had an issue in which |
| 280 | * it would reuse static method argument registers. |
| 281 | * This could result in the same Dalvik virtual register |
| 282 | * being promoted to both core and fp regs. To account for this, |
| 283 | * we only copy to the corresponding promoted physical register |
| 284 | * if it matches the type of the SSA name for the incoming |
| 285 | * argument. It is also possible that long and double arguments |
| 286 | * end up half-promoted. In those cases, we must flush the promoted |
| 287 | * half to memory as well. |
| 288 | */ |
| 289 | for (int i = 0; i < cu_->num_ins; i++) { |
| 290 | PromotionMap* v_map = &promotion_map_[start_vreg + i]; |
| 291 | if (i < num_arg_regs) { |
| 292 | // If arriving in register |
| 293 | bool need_flush = true; |
| 294 | RegLocation* t_loc = &ArgLocs[i]; |
| 295 | if ((v_map->core_location == kLocPhysReg) && !t_loc->fp) { |
| 296 | OpRegCopy(v_map->core_reg, TargetReg(arg_regs[i])); |
| 297 | need_flush = false; |
| 298 | } else if ((v_map->fp_location == kLocPhysReg) && t_loc->fp) { |
| 299 | OpRegCopy(v_map->FpReg, TargetReg(arg_regs[i])); |
| 300 | need_flush = false; |
| 301 | } else { |
| 302 | need_flush = true; |
| 303 | } |
| 304 | |
buzbee | d0a03b8 | 2013-09-14 08:21:05 -0700 | [diff] [blame] | 305 | // For wide args, force flush if not fully promoted |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 306 | if (t_loc->wide) { |
| 307 | PromotionMap* p_map = v_map + (t_loc->high_word ? -1 : +1); |
buzbee | d0a03b8 | 2013-09-14 08:21:05 -0700 | [diff] [blame] | 308 | // Is only half promoted? |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 309 | need_flush |= (p_map->core_location != v_map->core_location) || |
| 310 | (p_map->fp_location != v_map->fp_location); |
buzbee | d0a03b8 | 2013-09-14 08:21:05 -0700 | [diff] [blame] | 311 | if ((cu_->instruction_set == kThumb2) && t_loc->fp && !need_flush) { |
| 312 | /* |
| 313 | * In Arm, a double is represented as a pair of consecutive single float |
| 314 | * registers starting at an even number. It's possible that both Dalvik vRegs |
| 315 | * representing the incoming double were independently promoted as singles - but |
| 316 | * not in a form usable as a double. If so, we need to flush - even though the |
| 317 | * incoming arg appears fully in register. At this point in the code, both |
| 318 | * halves of the double are promoted. Make sure they are in a usable form. |
| 319 | */ |
| 320 | int lowreg_index = start_vreg + i + (t_loc->high_word ? -1 : 0); |
| 321 | int low_reg = promotion_map_[lowreg_index].FpReg; |
| 322 | int high_reg = promotion_map_[lowreg_index + 1].FpReg; |
| 323 | if (((low_reg & 0x1) != 0) || (high_reg != (low_reg + 1))) { |
| 324 | need_flush = true; |
| 325 | } |
| 326 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 327 | } |
| 328 | if (need_flush) { |
| 329 | StoreBaseDisp(TargetReg(kSp), SRegOffset(start_vreg + i), |
| 330 | TargetReg(arg_regs[i]), kWord); |
| 331 | } |
| 332 | } else { |
| 333 | // If arriving in frame & promoted |
| 334 | if (v_map->core_location == kLocPhysReg) { |
| 335 | LoadWordDisp(TargetReg(kSp), SRegOffset(start_vreg + i), |
| 336 | v_map->core_reg); |
| 337 | } |
| 338 | if (v_map->fp_location == kLocPhysReg) { |
| 339 | LoadWordDisp(TargetReg(kSp), SRegOffset(start_vreg + i), |
| 340 | v_map->FpReg); |
| 341 | } |
| 342 | } |
| 343 | } |
| 344 | } |
| 345 | |
| 346 | /* |
| 347 | * Bit of a hack here - in the absence of a real scheduling pass, |
| 348 | * emit the next instruction in static & direct invoke sequences. |
| 349 | */ |
| 350 | static int NextSDCallInsn(CompilationUnit* cu, CallInfo* info, |
| 351 | int state, const MethodReference& target_method, |
| 352 | uint32_t unused, |
| 353 | uintptr_t direct_code, uintptr_t direct_method, |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 354 | InvokeType type) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 355 | Mir2Lir* cg = static_cast<Mir2Lir*>(cu->cg.get()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 356 | if (direct_code != 0 && direct_method != 0) { |
| 357 | switch (state) { |
| 358 | case 0: // Get the current Method* [sets kArg0] |
| 359 | if (direct_code != static_cast<unsigned int>(-1)) { |
Ian Rogers | 83883d7 | 2013-10-21 21:07:24 -0700 | [diff] [blame] | 360 | if (cu->instruction_set != kX86) { |
| 361 | cg->LoadConstant(cg->TargetReg(kInvokeTgt), direct_code); |
| 362 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 363 | } else { |
| 364 | CHECK_EQ(cu->dex_file, target_method.dex_file); |
| 365 | LIR* data_target = cg->ScanLiteralPool(cg->code_literal_list_, |
| 366 | target_method.dex_method_index, 0); |
| 367 | if (data_target == NULL) { |
| 368 | data_target = cg->AddWordData(&cg->code_literal_list_, target_method.dex_method_index); |
| 369 | data_target->operands[1] = type; |
| 370 | } |
| 371 | LIR* load_pc_rel = cg->OpPcRelLoad(cg->TargetReg(kInvokeTgt), data_target); |
| 372 | cg->AppendLIR(load_pc_rel); |
| 373 | DCHECK_EQ(cu->instruction_set, kThumb2) << reinterpret_cast<void*>(data_target); |
| 374 | } |
| 375 | if (direct_method != static_cast<unsigned int>(-1)) { |
| 376 | cg->LoadConstant(cg->TargetReg(kArg0), direct_method); |
| 377 | } else { |
| 378 | CHECK_EQ(cu->dex_file, target_method.dex_file); |
| 379 | LIR* data_target = cg->ScanLiteralPool(cg->method_literal_list_, |
| 380 | target_method.dex_method_index, 0); |
| 381 | if (data_target == NULL) { |
| 382 | data_target = cg->AddWordData(&cg->method_literal_list_, target_method.dex_method_index); |
| 383 | data_target->operands[1] = type; |
| 384 | } |
| 385 | LIR* load_pc_rel = cg->OpPcRelLoad(cg->TargetReg(kArg0), data_target); |
| 386 | cg->AppendLIR(load_pc_rel); |
| 387 | DCHECK_EQ(cu->instruction_set, kThumb2) << reinterpret_cast<void*>(data_target); |
| 388 | } |
| 389 | break; |
| 390 | default: |
| 391 | return -1; |
| 392 | } |
| 393 | } else { |
| 394 | switch (state) { |
| 395 | case 0: // Get the current Method* [sets kArg0] |
| 396 | // TUNING: we can save a reg copy if Method* has been promoted. |
| 397 | cg->LoadCurrMethodDirect(cg->TargetReg(kArg0)); |
| 398 | break; |
| 399 | case 1: // Get method->dex_cache_resolved_methods_ |
| 400 | cg->LoadWordDisp(cg->TargetReg(kArg0), |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 401 | mirror::ArtMethod::DexCacheResolvedMethodsOffset().Int32Value(), cg->TargetReg(kArg0)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 402 | // Set up direct code if known. |
| 403 | if (direct_code != 0) { |
| 404 | if (direct_code != static_cast<unsigned int>(-1)) { |
| 405 | cg->LoadConstant(cg->TargetReg(kInvokeTgt), direct_code); |
| 406 | } else { |
| 407 | CHECK_EQ(cu->dex_file, target_method.dex_file); |
Ian Rogers | 83883d7 | 2013-10-21 21:07:24 -0700 | [diff] [blame] | 408 | CHECK_LT(target_method.dex_method_index, target_method.dex_file->NumMethodIds()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 409 | LIR* data_target = cg->ScanLiteralPool(cg->code_literal_list_, |
| 410 | target_method.dex_method_index, 0); |
| 411 | if (data_target == NULL) { |
| 412 | data_target = cg->AddWordData(&cg->code_literal_list_, target_method.dex_method_index); |
| 413 | data_target->operands[1] = type; |
| 414 | } |
| 415 | LIR* load_pc_rel = cg->OpPcRelLoad(cg->TargetReg(kInvokeTgt), data_target); |
| 416 | cg->AppendLIR(load_pc_rel); |
| 417 | DCHECK_EQ(cu->instruction_set, kThumb2) << reinterpret_cast<void*>(data_target); |
| 418 | } |
| 419 | } |
| 420 | break; |
| 421 | case 2: // Grab target method* |
| 422 | CHECK_EQ(cu->dex_file, target_method.dex_file); |
| 423 | cg->LoadWordDisp(cg->TargetReg(kArg0), |
| 424 | mirror::Array::DataOffset(sizeof(mirror::Object*)).Int32Value() + |
| 425 | (target_method.dex_method_index * 4), |
| 426 | cg-> TargetReg(kArg0)); |
| 427 | break; |
| 428 | case 3: // Grab the code from the method* |
| 429 | if (cu->instruction_set != kX86) { |
| 430 | if (direct_code == 0) { |
| 431 | cg->LoadWordDisp(cg->TargetReg(kArg0), |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 432 | mirror::ArtMethod::GetEntryPointFromCompiledCodeOffset().Int32Value(), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 433 | cg->TargetReg(kInvokeTgt)); |
| 434 | } |
| 435 | break; |
| 436 | } |
| 437 | // Intentional fallthrough for x86 |
| 438 | default: |
| 439 | return -1; |
| 440 | } |
| 441 | } |
| 442 | return state + 1; |
| 443 | } |
| 444 | |
| 445 | /* |
| 446 | * Bit of a hack here - in the absence of a real scheduling pass, |
| 447 | * emit the next instruction in a virtual invoke sequence. |
| 448 | * We can use kLr as a temp prior to target address loading |
| 449 | * Note also that we'll load the first argument ("this") into |
| 450 | * kArg1 here rather than the standard LoadArgRegs. |
| 451 | */ |
| 452 | static int NextVCallInsn(CompilationUnit* cu, CallInfo* info, |
| 453 | int state, const MethodReference& target_method, |
| 454 | uint32_t method_idx, uintptr_t unused, uintptr_t unused2, |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 455 | InvokeType unused3) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 456 | Mir2Lir* cg = static_cast<Mir2Lir*>(cu->cg.get()); |
| 457 | /* |
| 458 | * This is the fast path in which the target virtual method is |
| 459 | * fully resolved at compile time. |
| 460 | */ |
| 461 | switch (state) { |
| 462 | case 0: { // Get "this" [set kArg1] |
| 463 | RegLocation rl_arg = info->args[0]; |
| 464 | cg->LoadValueDirectFixed(rl_arg, cg->TargetReg(kArg1)); |
| 465 | break; |
| 466 | } |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 467 | case 1: // Is "this" null? [use kArg1] |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 468 | cg->GenNullCheck(info->args[0].s_reg_low, cg->TargetReg(kArg1), info->opt_flags); |
| 469 | // get this->klass_ [use kArg1, set kInvokeTgt] |
| 470 | cg->LoadWordDisp(cg->TargetReg(kArg1), mirror::Object::ClassOffset().Int32Value(), |
| 471 | cg->TargetReg(kInvokeTgt)); |
| 472 | break; |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 473 | case 2: // Get this->klass_->vtable [usr kInvokeTgt, set kInvokeTgt] |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 474 | cg->LoadWordDisp(cg->TargetReg(kInvokeTgt), mirror::Class::VTableOffset().Int32Value(), |
| 475 | cg->TargetReg(kInvokeTgt)); |
| 476 | break; |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 477 | case 3: // Get target method [use kInvokeTgt, set kArg0] |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 478 | cg->LoadWordDisp(cg->TargetReg(kInvokeTgt), (method_idx * 4) + |
| 479 | mirror::Array::DataOffset(sizeof(mirror::Object*)).Int32Value(), |
| 480 | cg->TargetReg(kArg0)); |
| 481 | break; |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 482 | case 4: // Get the compiled code address [uses kArg0, sets kInvokeTgt] |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 483 | if (cu->instruction_set != kX86) { |
| 484 | cg->LoadWordDisp(cg->TargetReg(kArg0), |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 485 | mirror::ArtMethod::GetEntryPointFromCompiledCodeOffset().Int32Value(), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 486 | cg->TargetReg(kInvokeTgt)); |
| 487 | break; |
| 488 | } |
| 489 | // Intentional fallthrough for X86 |
| 490 | default: |
| 491 | return -1; |
| 492 | } |
| 493 | return state + 1; |
| 494 | } |
| 495 | |
| 496 | /* |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 497 | * Emit the next instruction in an invoke interface sequence. This will do a lookup in the |
| 498 | * class's IMT, calling either the actual method or art_quick_imt_conflict_trampoline if |
| 499 | * more than one interface method map to the same index. Note also that we'll load the first |
| 500 | * argument ("this") into kArg1 here rather than the standard LoadArgRegs. |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 501 | */ |
| 502 | static int NextInterfaceCallInsn(CompilationUnit* cu, CallInfo* info, int state, |
| 503 | const MethodReference& target_method, |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 504 | uint32_t method_idx, uintptr_t unused, |
| 505 | uintptr_t direct_method, InvokeType unused2) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 506 | Mir2Lir* cg = static_cast<Mir2Lir*>(cu->cg.get()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 507 | |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 508 | switch (state) { |
| 509 | case 0: // Set target method index in case of conflict [set kHiddenArg, kHiddenFpArg (x86)] |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 510 | CHECK_EQ(cu->dex_file, target_method.dex_file); |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 511 | CHECK_LT(target_method.dex_method_index, target_method.dex_file->NumMethodIds()); |
| 512 | cg->LoadConstant(cg->TargetReg(kHiddenArg), target_method.dex_method_index); |
| 513 | if (cu->instruction_set == kX86) { |
| 514 | cg->OpRegCopy(cg->TargetReg(kHiddenFpArg), cg->TargetReg(kHiddenArg)); |
| 515 | } |
| 516 | break; |
| 517 | case 1: { // Get "this" [set kArg1] |
| 518 | RegLocation rl_arg = info->args[0]; |
| 519 | cg->LoadValueDirectFixed(rl_arg, cg->TargetReg(kArg1)); |
| 520 | break; |
| 521 | } |
| 522 | case 2: // Is "this" null? [use kArg1] |
| 523 | cg->GenNullCheck(info->args[0].s_reg_low, cg->TargetReg(kArg1), info->opt_flags); |
| 524 | // Get this->klass_ [use kArg1, set kInvokeTgt] |
| 525 | cg->LoadWordDisp(cg->TargetReg(kArg1), mirror::Object::ClassOffset().Int32Value(), |
| 526 | cg->TargetReg(kInvokeTgt)); |
| 527 | break; |
| 528 | case 3: // Get this->klass_->imtable [use kInvokeTgt, set kInvokeTgt] |
| 529 | cg->LoadWordDisp(cg->TargetReg(kInvokeTgt), mirror::Class::ImTableOffset().Int32Value(), |
| 530 | cg->TargetReg(kInvokeTgt)); |
| 531 | break; |
| 532 | case 4: // Get target method [use kInvokeTgt, set kArg0] |
| 533 | cg->LoadWordDisp(cg->TargetReg(kInvokeTgt), ((method_idx % ClassLinker::kImtSize) * 4) + |
| 534 | mirror::Array::DataOffset(sizeof(mirror::Object*)).Int32Value(), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 535 | cg->TargetReg(kArg0)); |
| 536 | break; |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 537 | case 5: // Get the compiled code address [use kArg0, set kInvokeTgt] |
| 538 | if (cu->instruction_set != kX86) { |
| 539 | cg->LoadWordDisp(cg->TargetReg(kArg0), |
| 540 | mirror::ArtMethod::GetEntryPointFromCompiledCodeOffset().Int32Value(), |
| 541 | cg->TargetReg(kInvokeTgt)); |
| 542 | break; |
| 543 | } |
| 544 | // Intentional fallthrough for X86 |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 545 | default: |
| 546 | return -1; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 547 | } |
| 548 | return state + 1; |
| 549 | } |
| 550 | |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 551 | static int NextInvokeInsnSP(CompilationUnit* cu, CallInfo* info, ThreadOffset trampoline, |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 552 | int state, const MethodReference& target_method, |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 553 | uint32_t method_idx) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 554 | Mir2Lir* cg = static_cast<Mir2Lir*>(cu->cg.get()); |
| 555 | /* |
| 556 | * This handles the case in which the base method is not fully |
| 557 | * resolved at compile time, we bail to a runtime helper. |
| 558 | */ |
| 559 | if (state == 0) { |
| 560 | if (cu->instruction_set != kX86) { |
| 561 | // Load trampoline target |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 562 | cg->LoadWordDisp(cg->TargetReg(kSelf), trampoline.Int32Value(), cg->TargetReg(kInvokeTgt)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 563 | } |
| 564 | // Load kArg0 with method index |
| 565 | CHECK_EQ(cu->dex_file, target_method.dex_file); |
| 566 | cg->LoadConstant(cg->TargetReg(kArg0), target_method.dex_method_index); |
| 567 | return 1; |
| 568 | } |
| 569 | return -1; |
| 570 | } |
| 571 | |
| 572 | static int NextStaticCallInsnSP(CompilationUnit* cu, CallInfo* info, |
| 573 | int state, |
| 574 | const MethodReference& target_method, |
| 575 | uint32_t method_idx, |
| 576 | uintptr_t unused, uintptr_t unused2, |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 577 | InvokeType unused3) { |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 578 | ThreadOffset trampoline = QUICK_ENTRYPOINT_OFFSET(pInvokeStaticTrampolineWithAccessCheck); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 579 | return NextInvokeInsnSP(cu, info, trampoline, state, target_method, 0); |
| 580 | } |
| 581 | |
| 582 | static int NextDirectCallInsnSP(CompilationUnit* cu, CallInfo* info, int state, |
| 583 | const MethodReference& target_method, |
| 584 | uint32_t method_idx, uintptr_t unused, |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 585 | uintptr_t unused2, InvokeType unused3) { |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 586 | ThreadOffset trampoline = QUICK_ENTRYPOINT_OFFSET(pInvokeDirectTrampolineWithAccessCheck); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 587 | return NextInvokeInsnSP(cu, info, trampoline, state, target_method, 0); |
| 588 | } |
| 589 | |
| 590 | static int NextSuperCallInsnSP(CompilationUnit* cu, CallInfo* info, int state, |
| 591 | const MethodReference& target_method, |
| 592 | uint32_t method_idx, uintptr_t unused, |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 593 | uintptr_t unused2, InvokeType unused3) { |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 594 | ThreadOffset trampoline = QUICK_ENTRYPOINT_OFFSET(pInvokeSuperTrampolineWithAccessCheck); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 595 | return NextInvokeInsnSP(cu, info, trampoline, state, target_method, 0); |
| 596 | } |
| 597 | |
| 598 | static int NextVCallInsnSP(CompilationUnit* cu, CallInfo* info, int state, |
| 599 | const MethodReference& target_method, |
| 600 | uint32_t method_idx, uintptr_t unused, |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 601 | uintptr_t unused2, InvokeType unused3) { |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 602 | ThreadOffset trampoline = QUICK_ENTRYPOINT_OFFSET(pInvokeVirtualTrampolineWithAccessCheck); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 603 | return NextInvokeInsnSP(cu, info, trampoline, state, target_method, 0); |
| 604 | } |
| 605 | |
| 606 | static int NextInterfaceCallInsnWithAccessCheck(CompilationUnit* cu, |
| 607 | CallInfo* info, int state, |
| 608 | const MethodReference& target_method, |
| 609 | uint32_t unused, |
| 610 | uintptr_t unused2, uintptr_t unused3, |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 611 | InvokeType unused4) { |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 612 | ThreadOffset trampoline = QUICK_ENTRYPOINT_OFFSET(pInvokeInterfaceTrampolineWithAccessCheck); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 613 | return NextInvokeInsnSP(cu, info, trampoline, state, target_method, 0); |
| 614 | } |
| 615 | |
| 616 | int Mir2Lir::LoadArgRegs(CallInfo* info, int call_state, |
| 617 | NextCallInsn next_call_insn, |
| 618 | const MethodReference& target_method, |
| 619 | uint32_t vtable_idx, uintptr_t direct_code, |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 620 | uintptr_t direct_method, InvokeType type, bool skip_this) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 621 | int last_arg_reg = TargetReg(kArg3); |
| 622 | int next_reg = TargetReg(kArg1); |
| 623 | int next_arg = 0; |
| 624 | if (skip_this) { |
| 625 | next_reg++; |
| 626 | next_arg++; |
| 627 | } |
| 628 | for (; (next_reg <= last_arg_reg) && (next_arg < info->num_arg_words); next_reg++) { |
| 629 | RegLocation rl_arg = info->args[next_arg++]; |
| 630 | rl_arg = UpdateRawLoc(rl_arg); |
| 631 | if (rl_arg.wide && (next_reg <= TargetReg(kArg2))) { |
| 632 | LoadValueDirectWideFixed(rl_arg, next_reg, next_reg + 1); |
| 633 | next_reg++; |
| 634 | next_arg++; |
| 635 | } else { |
| 636 | if (rl_arg.wide) { |
| 637 | rl_arg.wide = false; |
| 638 | rl_arg.is_const = false; |
| 639 | } |
| 640 | LoadValueDirectFixed(rl_arg, next_reg); |
| 641 | } |
| 642 | call_state = next_call_insn(cu_, info, call_state, target_method, vtable_idx, |
| 643 | direct_code, direct_method, type); |
| 644 | } |
| 645 | return call_state; |
| 646 | } |
| 647 | |
| 648 | /* |
| 649 | * Load up to 5 arguments, the first three of which will be in |
| 650 | * kArg1 .. kArg3. On entry kArg0 contains the current method pointer, |
| 651 | * and as part of the load sequence, it must be replaced with |
| 652 | * the target method pointer. Note, this may also be called |
| 653 | * for "range" variants if the number of arguments is 5 or fewer. |
| 654 | */ |
| 655 | int Mir2Lir::GenDalvikArgsNoRange(CallInfo* info, |
| 656 | int call_state, LIR** pcrLabel, NextCallInsn next_call_insn, |
| 657 | const MethodReference& target_method, |
| 658 | uint32_t vtable_idx, uintptr_t direct_code, |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 659 | uintptr_t direct_method, InvokeType type, bool skip_this) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 660 | RegLocation rl_arg; |
| 661 | |
| 662 | /* If no arguments, just return */ |
| 663 | if (info->num_arg_words == 0) |
| 664 | return call_state; |
| 665 | |
| 666 | call_state = next_call_insn(cu_, info, call_state, target_method, vtable_idx, |
| 667 | direct_code, direct_method, type); |
| 668 | |
| 669 | DCHECK_LE(info->num_arg_words, 5); |
| 670 | if (info->num_arg_words > 3) { |
| 671 | int32_t next_use = 3; |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 672 | // Detect special case of wide arg spanning arg3/arg4 |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 673 | RegLocation rl_use0 = info->args[0]; |
| 674 | RegLocation rl_use1 = info->args[1]; |
| 675 | RegLocation rl_use2 = info->args[2]; |
| 676 | if (((!rl_use0.wide && !rl_use1.wide) || rl_use0.wide) && |
| 677 | rl_use2.wide) { |
| 678 | int reg = -1; |
| 679 | // Wide spans, we need the 2nd half of uses[2]. |
| 680 | rl_arg = UpdateLocWide(rl_use2); |
| 681 | if (rl_arg.location == kLocPhysReg) { |
| 682 | reg = rl_arg.high_reg; |
| 683 | } else { |
| 684 | // kArg2 & rArg3 can safely be used here |
| 685 | reg = TargetReg(kArg3); |
| 686 | LoadWordDisp(TargetReg(kSp), SRegOffset(rl_arg.s_reg_low) + 4, reg); |
| 687 | call_state = next_call_insn(cu_, info, call_state, target_method, |
| 688 | vtable_idx, direct_code, direct_method, type); |
| 689 | } |
| 690 | StoreBaseDisp(TargetReg(kSp), (next_use + 1) * 4, reg, kWord); |
| 691 | StoreBaseDisp(TargetReg(kSp), 16 /* (3+1)*4 */, reg, kWord); |
| 692 | call_state = next_call_insn(cu_, info, call_state, target_method, vtable_idx, |
| 693 | direct_code, direct_method, type); |
| 694 | next_use++; |
| 695 | } |
| 696 | // Loop through the rest |
| 697 | while (next_use < info->num_arg_words) { |
| 698 | int low_reg; |
| 699 | int high_reg = -1; |
| 700 | rl_arg = info->args[next_use]; |
| 701 | rl_arg = UpdateRawLoc(rl_arg); |
| 702 | if (rl_arg.location == kLocPhysReg) { |
| 703 | low_reg = rl_arg.low_reg; |
| 704 | high_reg = rl_arg.high_reg; |
| 705 | } else { |
| 706 | low_reg = TargetReg(kArg2); |
| 707 | if (rl_arg.wide) { |
| 708 | high_reg = TargetReg(kArg3); |
| 709 | LoadValueDirectWideFixed(rl_arg, low_reg, high_reg); |
| 710 | } else { |
| 711 | LoadValueDirectFixed(rl_arg, low_reg); |
| 712 | } |
| 713 | call_state = next_call_insn(cu_, info, call_state, target_method, |
| 714 | vtable_idx, direct_code, direct_method, type); |
| 715 | } |
| 716 | int outs_offset = (next_use + 1) * 4; |
| 717 | if (rl_arg.wide) { |
| 718 | StoreBaseDispWide(TargetReg(kSp), outs_offset, low_reg, high_reg); |
| 719 | next_use += 2; |
| 720 | } else { |
| 721 | StoreWordDisp(TargetReg(kSp), outs_offset, low_reg); |
| 722 | next_use++; |
| 723 | } |
| 724 | call_state = next_call_insn(cu_, info, call_state, target_method, vtable_idx, |
| 725 | direct_code, direct_method, type); |
| 726 | } |
| 727 | } |
| 728 | |
| 729 | call_state = LoadArgRegs(info, call_state, next_call_insn, |
| 730 | target_method, vtable_idx, direct_code, direct_method, |
| 731 | type, skip_this); |
| 732 | |
| 733 | if (pcrLabel) { |
| 734 | *pcrLabel = GenNullCheck(info->args[0].s_reg_low, TargetReg(kArg1), info->opt_flags); |
| 735 | } |
| 736 | return call_state; |
| 737 | } |
| 738 | |
| 739 | /* |
| 740 | * May have 0+ arguments (also used for jumbo). Note that |
| 741 | * source virtual registers may be in physical registers, so may |
| 742 | * need to be flushed to home location before copying. This |
| 743 | * applies to arg3 and above (see below). |
| 744 | * |
| 745 | * Two general strategies: |
| 746 | * If < 20 arguments |
| 747 | * Pass args 3-18 using vldm/vstm block copy |
| 748 | * Pass arg0, arg1 & arg2 in kArg1-kArg3 |
| 749 | * If 20+ arguments |
| 750 | * Pass args arg19+ using memcpy block copy |
| 751 | * Pass arg0, arg1 & arg2 in kArg1-kArg3 |
| 752 | * |
| 753 | */ |
| 754 | int Mir2Lir::GenDalvikArgsRange(CallInfo* info, int call_state, |
| 755 | LIR** pcrLabel, NextCallInsn next_call_insn, |
| 756 | const MethodReference& target_method, |
| 757 | uint32_t vtable_idx, uintptr_t direct_code, uintptr_t direct_method, |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 758 | InvokeType type, bool skip_this) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 759 | // If we can treat it as non-range (Jumbo ops will use range form) |
| 760 | if (info->num_arg_words <= 5) |
| 761 | return GenDalvikArgsNoRange(info, call_state, pcrLabel, |
| 762 | next_call_insn, target_method, vtable_idx, |
| 763 | direct_code, direct_method, type, skip_this); |
| 764 | /* |
| 765 | * First load the non-register arguments. Both forms expect all |
| 766 | * of the source arguments to be in their home frame location, so |
| 767 | * scan the s_reg names and flush any that have been promoted to |
| 768 | * frame backing storage. |
| 769 | */ |
| 770 | // Scan the rest of the args - if in phys_reg flush to memory |
| 771 | for (int next_arg = 0; next_arg < info->num_arg_words;) { |
| 772 | RegLocation loc = info->args[next_arg]; |
| 773 | if (loc.wide) { |
| 774 | loc = UpdateLocWide(loc); |
| 775 | if ((next_arg >= 2) && (loc.location == kLocPhysReg)) { |
| 776 | StoreBaseDispWide(TargetReg(kSp), SRegOffset(loc.s_reg_low), |
| 777 | loc.low_reg, loc.high_reg); |
| 778 | } |
| 779 | next_arg += 2; |
| 780 | } else { |
| 781 | loc = UpdateLoc(loc); |
| 782 | if ((next_arg >= 3) && (loc.location == kLocPhysReg)) { |
| 783 | StoreBaseDisp(TargetReg(kSp), SRegOffset(loc.s_reg_low), |
| 784 | loc.low_reg, kWord); |
| 785 | } |
| 786 | next_arg++; |
| 787 | } |
| 788 | } |
| 789 | |
| 790 | int start_offset = SRegOffset(info->args[3].s_reg_low); |
| 791 | int outs_offset = 4 /* Method* */ + (3 * 4); |
| 792 | if (cu_->instruction_set != kThumb2) { |
| 793 | // Generate memcpy |
| 794 | OpRegRegImm(kOpAdd, TargetReg(kArg0), TargetReg(kSp), outs_offset); |
| 795 | OpRegRegImm(kOpAdd, TargetReg(kArg1), TargetReg(kSp), start_offset); |
Ian Rogers | 7655f29 | 2013-07-29 11:07:13 -0700 | [diff] [blame] | 796 | CallRuntimeHelperRegRegImm(QUICK_ENTRYPOINT_OFFSET(pMemcpy), TargetReg(kArg0), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 797 | TargetReg(kArg1), (info->num_arg_words - 3) * 4, false); |
| 798 | } else { |
| 799 | if (info->num_arg_words >= 20) { |
| 800 | // Generate memcpy |
| 801 | OpRegRegImm(kOpAdd, TargetReg(kArg0), TargetReg(kSp), outs_offset); |
| 802 | OpRegRegImm(kOpAdd, TargetReg(kArg1), TargetReg(kSp), start_offset); |
Ian Rogers | 7655f29 | 2013-07-29 11:07:13 -0700 | [diff] [blame] | 803 | CallRuntimeHelperRegRegImm(QUICK_ENTRYPOINT_OFFSET(pMemcpy), TargetReg(kArg0), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 804 | TargetReg(kArg1), (info->num_arg_words - 3) * 4, false); |
| 805 | } else { |
| 806 | // Use vldm/vstm pair using kArg3 as a temp |
| 807 | int regs_left = std::min(info->num_arg_words - 3, 16); |
| 808 | call_state = next_call_insn(cu_, info, call_state, target_method, vtable_idx, |
| 809 | direct_code, direct_method, type); |
| 810 | OpRegRegImm(kOpAdd, TargetReg(kArg3), TargetReg(kSp), start_offset); |
| 811 | LIR* ld = OpVldm(TargetReg(kArg3), regs_left); |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 812 | // TUNING: loosen barrier |
buzbee | b48819d | 2013-09-14 16:15:25 -0700 | [diff] [blame] | 813 | ld->u.m.def_mask = ENCODE_ALL; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 814 | SetMemRefType(ld, true /* is_load */, kDalvikReg); |
| 815 | call_state = next_call_insn(cu_, info, call_state, target_method, vtable_idx, |
| 816 | direct_code, direct_method, type); |
| 817 | OpRegRegImm(kOpAdd, TargetReg(kArg3), TargetReg(kSp), 4 /* Method* */ + (3 * 4)); |
| 818 | call_state = next_call_insn(cu_, info, call_state, target_method, vtable_idx, |
| 819 | direct_code, direct_method, type); |
| 820 | LIR* st = OpVstm(TargetReg(kArg3), regs_left); |
| 821 | SetMemRefType(st, false /* is_load */, kDalvikReg); |
buzbee | b48819d | 2013-09-14 16:15:25 -0700 | [diff] [blame] | 822 | st->u.m.def_mask = ENCODE_ALL; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 823 | call_state = next_call_insn(cu_, info, call_state, target_method, vtable_idx, |
| 824 | direct_code, direct_method, type); |
| 825 | } |
| 826 | } |
| 827 | |
| 828 | call_state = LoadArgRegs(info, call_state, next_call_insn, |
| 829 | target_method, vtable_idx, direct_code, direct_method, |
| 830 | type, skip_this); |
| 831 | |
| 832 | call_state = next_call_insn(cu_, info, call_state, target_method, vtable_idx, |
| 833 | direct_code, direct_method, type); |
| 834 | if (pcrLabel) { |
| 835 | *pcrLabel = GenNullCheck(info->args[0].s_reg_low, TargetReg(kArg1), info->opt_flags); |
| 836 | } |
| 837 | return call_state; |
| 838 | } |
| 839 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 840 | RegLocation Mir2Lir::InlineTarget(CallInfo* info) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 841 | RegLocation res; |
| 842 | if (info->result.location == kLocInvalid) { |
| 843 | res = GetReturn(false); |
| 844 | } else { |
| 845 | res = info->result; |
| 846 | } |
| 847 | return res; |
| 848 | } |
| 849 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 850 | RegLocation Mir2Lir::InlineTargetWide(CallInfo* info) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 851 | RegLocation res; |
| 852 | if (info->result.location == kLocInvalid) { |
| 853 | res = GetReturnWide(false); |
| 854 | } else { |
| 855 | res = info->result; |
| 856 | } |
| 857 | return res; |
| 858 | } |
| 859 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 860 | bool Mir2Lir::GenInlinedCharAt(CallInfo* info) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 861 | if (cu_->instruction_set == kMips) { |
| 862 | // TODO - add Mips implementation |
| 863 | return false; |
| 864 | } |
| 865 | // Location of reference to data array |
| 866 | int value_offset = mirror::String::ValueOffset().Int32Value(); |
| 867 | // Location of count |
| 868 | int count_offset = mirror::String::CountOffset().Int32Value(); |
| 869 | // Starting offset within data array |
| 870 | int offset_offset = mirror::String::OffsetOffset().Int32Value(); |
| 871 | // Start of char data with array_ |
| 872 | int data_offset = mirror::Array::DataOffset(sizeof(uint16_t)).Int32Value(); |
| 873 | |
| 874 | RegLocation rl_obj = info->args[0]; |
| 875 | RegLocation rl_idx = info->args[1]; |
| 876 | rl_obj = LoadValue(rl_obj, kCoreReg); |
| 877 | rl_idx = LoadValue(rl_idx, kCoreReg); |
| 878 | int reg_max; |
| 879 | GenNullCheck(rl_obj.s_reg_low, rl_obj.low_reg, info->opt_flags); |
| 880 | bool range_check = (!(info->opt_flags & MIR_IGNORE_RANGE_CHECK)); |
| 881 | LIR* launch_pad = NULL; |
| 882 | int reg_off = INVALID_REG; |
| 883 | int reg_ptr = INVALID_REG; |
| 884 | if (cu_->instruction_set != kX86) { |
| 885 | reg_off = AllocTemp(); |
| 886 | reg_ptr = AllocTemp(); |
| 887 | if (range_check) { |
| 888 | reg_max = AllocTemp(); |
| 889 | LoadWordDisp(rl_obj.low_reg, count_offset, reg_max); |
| 890 | } |
| 891 | LoadWordDisp(rl_obj.low_reg, offset_offset, reg_off); |
| 892 | LoadWordDisp(rl_obj.low_reg, value_offset, reg_ptr); |
| 893 | if (range_check) { |
| 894 | // Set up a launch pad to allow retry in case of bounds violation */ |
buzbee | 0d82948 | 2013-10-11 15:24:55 -0700 | [diff] [blame] | 895 | launch_pad = RawLIR(0, kPseudoIntrinsicRetry, WrapPointer(info)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 896 | intrinsic_launchpads_.Insert(launch_pad); |
| 897 | OpRegReg(kOpCmp, rl_idx.low_reg, reg_max); |
| 898 | FreeTemp(reg_max); |
| 899 | OpCondBranch(kCondCs, launch_pad); |
Brian Carlstrom | 6f485c6 | 2013-07-18 15:35:35 -0700 | [diff] [blame] | 900 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 901 | } else { |
| 902 | if (range_check) { |
| 903 | reg_max = AllocTemp(); |
| 904 | LoadWordDisp(rl_obj.low_reg, count_offset, reg_max); |
| 905 | // Set up a launch pad to allow retry in case of bounds violation */ |
buzbee | 0d82948 | 2013-10-11 15:24:55 -0700 | [diff] [blame] | 906 | launch_pad = RawLIR(0, kPseudoIntrinsicRetry, WrapPointer(info)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 907 | intrinsic_launchpads_.Insert(launch_pad); |
| 908 | OpRegReg(kOpCmp, rl_idx.low_reg, reg_max); |
| 909 | FreeTemp(reg_max); |
| 910 | OpCondBranch(kCondCc, launch_pad); |
| 911 | } |
| 912 | reg_off = AllocTemp(); |
| 913 | reg_ptr = AllocTemp(); |
| 914 | LoadWordDisp(rl_obj.low_reg, offset_offset, reg_off); |
| 915 | LoadWordDisp(rl_obj.low_reg, value_offset, reg_ptr); |
| 916 | } |
| 917 | OpRegImm(kOpAdd, reg_ptr, data_offset); |
| 918 | OpRegReg(kOpAdd, reg_off, rl_idx.low_reg); |
| 919 | FreeTemp(rl_obj.low_reg); |
| 920 | FreeTemp(rl_idx.low_reg); |
| 921 | RegLocation rl_dest = InlineTarget(info); |
| 922 | RegLocation rl_result = EvalLoc(rl_dest, kCoreReg, true); |
| 923 | LoadBaseIndexed(reg_ptr, reg_off, rl_result.low_reg, 1, kUnsignedHalf); |
| 924 | FreeTemp(reg_off); |
| 925 | FreeTemp(reg_ptr); |
| 926 | StoreValue(rl_dest, rl_result); |
| 927 | if (range_check) { |
| 928 | launch_pad->operands[2] = 0; // no resumption |
| 929 | } |
| 930 | // Record that we've already inlined & null checked |
| 931 | info->opt_flags |= (MIR_INLINED | MIR_IGNORE_NULL_CHECK); |
| 932 | return true; |
| 933 | } |
| 934 | |
| 935 | // Generates an inlined String.is_empty or String.length. |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 936 | bool Mir2Lir::GenInlinedStringIsEmptyOrLength(CallInfo* info, bool is_empty) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 937 | if (cu_->instruction_set == kMips) { |
| 938 | // TODO - add Mips implementation |
| 939 | return false; |
| 940 | } |
| 941 | // dst = src.length(); |
| 942 | RegLocation rl_obj = info->args[0]; |
| 943 | rl_obj = LoadValue(rl_obj, kCoreReg); |
| 944 | RegLocation rl_dest = InlineTarget(info); |
| 945 | RegLocation rl_result = EvalLoc(rl_dest, kCoreReg, true); |
| 946 | GenNullCheck(rl_obj.s_reg_low, rl_obj.low_reg, info->opt_flags); |
| 947 | LoadWordDisp(rl_obj.low_reg, mirror::String::CountOffset().Int32Value(), rl_result.low_reg); |
| 948 | if (is_empty) { |
| 949 | // dst = (dst == 0); |
| 950 | if (cu_->instruction_set == kThumb2) { |
| 951 | int t_reg = AllocTemp(); |
| 952 | OpRegReg(kOpNeg, t_reg, rl_result.low_reg); |
| 953 | OpRegRegReg(kOpAdc, rl_result.low_reg, rl_result.low_reg, t_reg); |
| 954 | } else { |
| 955 | DCHECK_EQ(cu_->instruction_set, kX86); |
| 956 | OpRegImm(kOpSub, rl_result.low_reg, 1); |
| 957 | OpRegImm(kOpLsr, rl_result.low_reg, 31); |
| 958 | } |
| 959 | } |
| 960 | StoreValue(rl_dest, rl_result); |
| 961 | return true; |
| 962 | } |
| 963 | |
Vladimir Marko | 6bdf1ff | 2013-10-29 17:40:46 +0000 | [diff] [blame] | 964 | bool Mir2Lir::GenInlinedReverseBytes(CallInfo* info, OpSize size) { |
| 965 | if (cu_->instruction_set == kMips) { |
| 966 | // TODO - add Mips implementation |
| 967 | return false; |
| 968 | } |
| 969 | RegLocation rl_src_i = info->args[0]; |
| 970 | RegLocation rl_dest = InlineTarget(info); // result reg |
| 971 | RegLocation rl_result = EvalLoc(rl_dest, kCoreReg, true); |
| 972 | if (size == kLong) { |
| 973 | RegLocation rl_i = LoadValueWide(rl_src_i, kCoreReg); |
Vladimir Marko | f246af2 | 2013-11-27 12:30:15 +0000 | [diff] [blame] | 974 | int r_i_low = rl_i.low_reg; |
| 975 | if (rl_i.low_reg == rl_result.low_reg) { |
| 976 | // First REV shall clobber rl_result.low_reg, save the value in a temp for the second REV. |
| 977 | r_i_low = AllocTemp(); |
| 978 | OpRegCopy(r_i_low, rl_i.low_reg); |
| 979 | } |
Vladimir Marko | 6bdf1ff | 2013-10-29 17:40:46 +0000 | [diff] [blame] | 980 | OpRegReg(kOpRev, rl_result.low_reg, rl_i.high_reg); |
Vladimir Marko | f246af2 | 2013-11-27 12:30:15 +0000 | [diff] [blame] | 981 | OpRegReg(kOpRev, rl_result.high_reg, r_i_low); |
| 982 | if (rl_i.low_reg == rl_result.low_reg) { |
| 983 | FreeTemp(r_i_low); |
| 984 | } |
Vladimir Marko | 6bdf1ff | 2013-10-29 17:40:46 +0000 | [diff] [blame] | 985 | StoreValueWide(rl_dest, rl_result); |
| 986 | } else { |
| 987 | DCHECK(size == kWord || size == kSignedHalf); |
| 988 | OpKind op = (size == kWord) ? kOpRev : kOpRevsh; |
| 989 | RegLocation rl_i = LoadValue(rl_src_i, kCoreReg); |
| 990 | OpRegReg(op, rl_result.low_reg, rl_i.low_reg); |
| 991 | StoreValue(rl_dest, rl_result); |
| 992 | } |
| 993 | return true; |
| 994 | } |
| 995 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 996 | bool Mir2Lir::GenInlinedAbsInt(CallInfo* info) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 997 | if (cu_->instruction_set == kMips) { |
| 998 | // TODO - add Mips implementation |
| 999 | return false; |
| 1000 | } |
| 1001 | RegLocation rl_src = info->args[0]; |
| 1002 | rl_src = LoadValue(rl_src, kCoreReg); |
| 1003 | RegLocation rl_dest = InlineTarget(info); |
| 1004 | RegLocation rl_result = EvalLoc(rl_dest, kCoreReg, true); |
| 1005 | int sign_reg = AllocTemp(); |
| 1006 | // abs(x) = y<=x>>31, (x+y)^y. |
| 1007 | OpRegRegImm(kOpAsr, sign_reg, rl_src.low_reg, 31); |
| 1008 | OpRegRegReg(kOpAdd, rl_result.low_reg, rl_src.low_reg, sign_reg); |
| 1009 | OpRegReg(kOpXor, rl_result.low_reg, sign_reg); |
| 1010 | StoreValue(rl_dest, rl_result); |
| 1011 | return true; |
| 1012 | } |
| 1013 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 1014 | bool Mir2Lir::GenInlinedAbsLong(CallInfo* info) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1015 | if (cu_->instruction_set == kMips) { |
| 1016 | // TODO - add Mips implementation |
| 1017 | return false; |
| 1018 | } |
| 1019 | if (cu_->instruction_set == kThumb2) { |
| 1020 | RegLocation rl_src = info->args[0]; |
| 1021 | rl_src = LoadValueWide(rl_src, kCoreReg); |
| 1022 | RegLocation rl_dest = InlineTargetWide(info); |
| 1023 | RegLocation rl_result = EvalLoc(rl_dest, kCoreReg, true); |
| 1024 | int sign_reg = AllocTemp(); |
| 1025 | // abs(x) = y<=x>>31, (x+y)^y. |
| 1026 | OpRegRegImm(kOpAsr, sign_reg, rl_src.high_reg, 31); |
| 1027 | OpRegRegReg(kOpAdd, rl_result.low_reg, rl_src.low_reg, sign_reg); |
| 1028 | OpRegRegReg(kOpAdc, rl_result.high_reg, rl_src.high_reg, sign_reg); |
| 1029 | OpRegReg(kOpXor, rl_result.low_reg, sign_reg); |
| 1030 | OpRegReg(kOpXor, rl_result.high_reg, sign_reg); |
| 1031 | StoreValueWide(rl_dest, rl_result); |
| 1032 | return true; |
| 1033 | } else { |
| 1034 | DCHECK_EQ(cu_->instruction_set, kX86); |
| 1035 | // Reuse source registers to avoid running out of temps |
| 1036 | RegLocation rl_src = info->args[0]; |
| 1037 | rl_src = LoadValueWide(rl_src, kCoreReg); |
| 1038 | RegLocation rl_dest = InlineTargetWide(info); |
| 1039 | RegLocation rl_result = EvalLoc(rl_dest, kCoreReg, true); |
| 1040 | OpRegCopyWide(rl_result.low_reg, rl_result.high_reg, rl_src.low_reg, rl_src.high_reg); |
| 1041 | FreeTemp(rl_src.low_reg); |
| 1042 | FreeTemp(rl_src.high_reg); |
| 1043 | int sign_reg = AllocTemp(); |
| 1044 | // abs(x) = y<=x>>31, (x+y)^y. |
| 1045 | OpRegRegImm(kOpAsr, sign_reg, rl_result.high_reg, 31); |
| 1046 | OpRegReg(kOpAdd, rl_result.low_reg, sign_reg); |
| 1047 | OpRegReg(kOpAdc, rl_result.high_reg, sign_reg); |
| 1048 | OpRegReg(kOpXor, rl_result.low_reg, sign_reg); |
| 1049 | OpRegReg(kOpXor, rl_result.high_reg, sign_reg); |
| 1050 | StoreValueWide(rl_dest, rl_result); |
| 1051 | return true; |
| 1052 | } |
| 1053 | } |
| 1054 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 1055 | bool Mir2Lir::GenInlinedFloatCvt(CallInfo* info) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1056 | if (cu_->instruction_set == kMips) { |
| 1057 | // TODO - add Mips implementation |
| 1058 | return false; |
| 1059 | } |
| 1060 | RegLocation rl_src = info->args[0]; |
| 1061 | RegLocation rl_dest = InlineTarget(info); |
| 1062 | StoreValue(rl_dest, rl_src); |
| 1063 | return true; |
| 1064 | } |
| 1065 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 1066 | bool Mir2Lir::GenInlinedDoubleCvt(CallInfo* info) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1067 | if (cu_->instruction_set == kMips) { |
| 1068 | // TODO - add Mips implementation |
| 1069 | return false; |
| 1070 | } |
| 1071 | RegLocation rl_src = info->args[0]; |
| 1072 | RegLocation rl_dest = InlineTargetWide(info); |
| 1073 | StoreValueWide(rl_dest, rl_src); |
| 1074 | return true; |
| 1075 | } |
| 1076 | |
| 1077 | /* |
| 1078 | * Fast string.index_of(I) & (II). Tests for simple case of char <= 0xffff, |
| 1079 | * otherwise bails to standard library code. |
| 1080 | */ |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 1081 | bool Mir2Lir::GenInlinedIndexOf(CallInfo* info, bool zero_based) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1082 | if (cu_->instruction_set == kMips) { |
| 1083 | // TODO - add Mips implementation |
| 1084 | return false; |
| 1085 | } |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame^] | 1086 | ClobberCallerSave(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1087 | LockCallTemps(); // Using fixed registers |
| 1088 | int reg_ptr = TargetReg(kArg0); |
| 1089 | int reg_char = TargetReg(kArg1); |
| 1090 | int reg_start = TargetReg(kArg2); |
| 1091 | |
| 1092 | RegLocation rl_obj = info->args[0]; |
| 1093 | RegLocation rl_char = info->args[1]; |
| 1094 | RegLocation rl_start = info->args[2]; |
| 1095 | LoadValueDirectFixed(rl_obj, reg_ptr); |
| 1096 | LoadValueDirectFixed(rl_char, reg_char); |
| 1097 | if (zero_based) { |
| 1098 | LoadConstant(reg_start, 0); |
| 1099 | } else { |
| 1100 | LoadValueDirectFixed(rl_start, reg_start); |
| 1101 | } |
Ian Rogers | 7655f29 | 2013-07-29 11:07:13 -0700 | [diff] [blame] | 1102 | int r_tgt = (cu_->instruction_set != kX86) ? LoadHelper(QUICK_ENTRYPOINT_OFFSET(pIndexOf)) : 0; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1103 | GenNullCheck(rl_obj.s_reg_low, reg_ptr, info->opt_flags); |
buzbee | 0d82948 | 2013-10-11 15:24:55 -0700 | [diff] [blame] | 1104 | LIR* launch_pad = RawLIR(0, kPseudoIntrinsicRetry, WrapPointer(info)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1105 | intrinsic_launchpads_.Insert(launch_pad); |
| 1106 | OpCmpImmBranch(kCondGt, reg_char, 0xFFFF, launch_pad); |
| 1107 | // NOTE: not a safepoint |
| 1108 | if (cu_->instruction_set != kX86) { |
| 1109 | OpReg(kOpBlx, r_tgt); |
| 1110 | } else { |
Ian Rogers | 7655f29 | 2013-07-29 11:07:13 -0700 | [diff] [blame] | 1111 | OpThreadMem(kOpBlx, QUICK_ENTRYPOINT_OFFSET(pIndexOf)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1112 | } |
| 1113 | LIR* resume_tgt = NewLIR0(kPseudoTargetLabel); |
buzbee | 0d82948 | 2013-10-11 15:24:55 -0700 | [diff] [blame] | 1114 | launch_pad->operands[2] = WrapPointer(resume_tgt); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1115 | // Record that we've already inlined & null checked |
| 1116 | info->opt_flags |= (MIR_INLINED | MIR_IGNORE_NULL_CHECK); |
| 1117 | RegLocation rl_return = GetReturn(false); |
| 1118 | RegLocation rl_dest = InlineTarget(info); |
| 1119 | StoreValue(rl_dest, rl_return); |
| 1120 | return true; |
| 1121 | } |
| 1122 | |
| 1123 | /* Fast string.compareTo(Ljava/lang/string;)I. */ |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 1124 | bool Mir2Lir::GenInlinedStringCompareTo(CallInfo* info) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1125 | if (cu_->instruction_set == kMips) { |
| 1126 | // TODO - add Mips implementation |
| 1127 | return false; |
| 1128 | } |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame^] | 1129 | ClobberCallerSave(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1130 | LockCallTemps(); // Using fixed registers |
| 1131 | int reg_this = TargetReg(kArg0); |
| 1132 | int reg_cmp = TargetReg(kArg1); |
| 1133 | |
| 1134 | RegLocation rl_this = info->args[0]; |
| 1135 | RegLocation rl_cmp = info->args[1]; |
| 1136 | LoadValueDirectFixed(rl_this, reg_this); |
| 1137 | LoadValueDirectFixed(rl_cmp, reg_cmp); |
| 1138 | int r_tgt = (cu_->instruction_set != kX86) ? |
Ian Rogers | 7655f29 | 2013-07-29 11:07:13 -0700 | [diff] [blame] | 1139 | LoadHelper(QUICK_ENTRYPOINT_OFFSET(pStringCompareTo)) : 0; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1140 | GenNullCheck(rl_this.s_reg_low, reg_this, info->opt_flags); |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 1141 | // TUNING: check if rl_cmp.s_reg_low is already null checked |
buzbee | 0d82948 | 2013-10-11 15:24:55 -0700 | [diff] [blame] | 1142 | LIR* launch_pad = RawLIR(0, kPseudoIntrinsicRetry, WrapPointer(info)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1143 | intrinsic_launchpads_.Insert(launch_pad); |
| 1144 | OpCmpImmBranch(kCondEq, reg_cmp, 0, launch_pad); |
| 1145 | // NOTE: not a safepoint |
| 1146 | if (cu_->instruction_set != kX86) { |
| 1147 | OpReg(kOpBlx, r_tgt); |
| 1148 | } else { |
Ian Rogers | 7655f29 | 2013-07-29 11:07:13 -0700 | [diff] [blame] | 1149 | OpThreadMem(kOpBlx, QUICK_ENTRYPOINT_OFFSET(pStringCompareTo)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1150 | } |
| 1151 | launch_pad->operands[2] = 0; // No return possible |
| 1152 | // Record that we've already inlined & null checked |
| 1153 | info->opt_flags |= (MIR_INLINED | MIR_IGNORE_NULL_CHECK); |
| 1154 | RegLocation rl_return = GetReturn(false); |
| 1155 | RegLocation rl_dest = InlineTarget(info); |
| 1156 | StoreValue(rl_dest, rl_return); |
| 1157 | return true; |
| 1158 | } |
| 1159 | |
| 1160 | bool Mir2Lir::GenInlinedCurrentThread(CallInfo* info) { |
| 1161 | RegLocation rl_dest = InlineTarget(info); |
| 1162 | RegLocation rl_result = EvalLoc(rl_dest, kCoreReg, true); |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1163 | ThreadOffset offset = Thread::PeerOffset(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1164 | if (cu_->instruction_set == kThumb2 || cu_->instruction_set == kMips) { |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1165 | LoadWordDisp(TargetReg(kSelf), offset.Int32Value(), rl_result.low_reg); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1166 | } else { |
| 1167 | CHECK(cu_->instruction_set == kX86); |
Brian Carlstrom | 2d88862 | 2013-07-18 17:02:00 -0700 | [diff] [blame] | 1168 | reinterpret_cast<X86Mir2Lir*>(this)->OpRegThreadMem(kOpMov, rl_result.low_reg, offset); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1169 | } |
| 1170 | StoreValue(rl_dest, rl_result); |
| 1171 | return true; |
| 1172 | } |
| 1173 | |
| 1174 | bool Mir2Lir::GenInlinedUnsafeGet(CallInfo* info, |
| 1175 | bool is_long, bool is_volatile) { |
| 1176 | if (cu_->instruction_set == kMips) { |
| 1177 | // TODO - add Mips implementation |
| 1178 | return false; |
| 1179 | } |
| 1180 | // Unused - RegLocation rl_src_unsafe = info->args[0]; |
| 1181 | RegLocation rl_src_obj = info->args[1]; // Object |
| 1182 | RegLocation rl_src_offset = info->args[2]; // long low |
| 1183 | rl_src_offset.wide = 0; // ignore high half in info->args[3] |
| 1184 | RegLocation rl_dest = InlineTarget(info); // result reg |
| 1185 | if (is_volatile) { |
| 1186 | GenMemBarrier(kLoadLoad); |
| 1187 | } |
| 1188 | RegLocation rl_object = LoadValue(rl_src_obj, kCoreReg); |
| 1189 | RegLocation rl_offset = LoadValue(rl_src_offset, kCoreReg); |
| 1190 | RegLocation rl_result = EvalLoc(rl_dest, kCoreReg, true); |
| 1191 | if (is_long) { |
| 1192 | OpRegReg(kOpAdd, rl_object.low_reg, rl_offset.low_reg); |
| 1193 | LoadBaseDispWide(rl_object.low_reg, 0, rl_result.low_reg, rl_result.high_reg, INVALID_SREG); |
| 1194 | StoreValueWide(rl_dest, rl_result); |
| 1195 | } else { |
| 1196 | LoadBaseIndexed(rl_object.low_reg, rl_offset.low_reg, rl_result.low_reg, 0, kWord); |
| 1197 | StoreValue(rl_dest, rl_result); |
| 1198 | } |
| 1199 | return true; |
| 1200 | } |
| 1201 | |
| 1202 | bool Mir2Lir::GenInlinedUnsafePut(CallInfo* info, bool is_long, |
| 1203 | bool is_object, bool is_volatile, bool is_ordered) { |
| 1204 | if (cu_->instruction_set == kMips) { |
| 1205 | // TODO - add Mips implementation |
| 1206 | return false; |
| 1207 | } |
| 1208 | if (cu_->instruction_set == kX86 && is_object) { |
| 1209 | // TODO: fix X86, it exhausts registers for card marking. |
| 1210 | return false; |
| 1211 | } |
| 1212 | // Unused - RegLocation rl_src_unsafe = info->args[0]; |
| 1213 | RegLocation rl_src_obj = info->args[1]; // Object |
| 1214 | RegLocation rl_src_offset = info->args[2]; // long low |
| 1215 | rl_src_offset.wide = 0; // ignore high half in info->args[3] |
| 1216 | RegLocation rl_src_value = info->args[4]; // value to store |
| 1217 | if (is_volatile || is_ordered) { |
| 1218 | GenMemBarrier(kStoreStore); |
| 1219 | } |
| 1220 | RegLocation rl_object = LoadValue(rl_src_obj, kCoreReg); |
| 1221 | RegLocation rl_offset = LoadValue(rl_src_offset, kCoreReg); |
| 1222 | RegLocation rl_value; |
| 1223 | if (is_long) { |
| 1224 | rl_value = LoadValueWide(rl_src_value, kCoreReg); |
| 1225 | OpRegReg(kOpAdd, rl_object.low_reg, rl_offset.low_reg); |
| 1226 | StoreBaseDispWide(rl_object.low_reg, 0, rl_value.low_reg, rl_value.high_reg); |
| 1227 | } else { |
| 1228 | rl_value = LoadValue(rl_src_value, kCoreReg); |
| 1229 | StoreBaseIndexed(rl_object.low_reg, rl_offset.low_reg, rl_value.low_reg, 0, kWord); |
| 1230 | } |
| 1231 | if (is_volatile) { |
| 1232 | GenMemBarrier(kStoreLoad); |
| 1233 | } |
| 1234 | if (is_object) { |
| 1235 | MarkGCCard(rl_value.low_reg, rl_object.low_reg); |
| 1236 | } |
| 1237 | return true; |
| 1238 | } |
| 1239 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 1240 | void Mir2Lir::GenInvoke(CallInfo* info) { |
Vladimir Marko | 5c96e6b | 2013-11-14 15:34:17 +0000 | [diff] [blame] | 1241 | if (!(info->opt_flags & MIR_INLINED)) { |
| 1242 | if (inliner_ == nullptr) { |
| 1243 | QuickCompilerContext* context = reinterpret_cast<QuickCompilerContext*>( |
| 1244 | cu_->compiler_driver->GetCompilerContext()); |
| 1245 | inliner_ = &context->GetInlinerMap()->GetMethodInliner(cu_->dex_file); |
| 1246 | } |
| 1247 | if (inliner_->GenIntrinsic(this, info)) { |
| 1248 | return; |
| 1249 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1250 | } |
| 1251 | InvokeType original_type = info->type; // avoiding mutation by ComputeInvokeInfo |
| 1252 | int call_state = 0; |
| 1253 | LIR* null_ck; |
| 1254 | LIR** p_null_ck = NULL; |
| 1255 | NextCallInsn next_call_insn; |
| 1256 | FlushAllRegs(); /* Everything to home location */ |
| 1257 | // Explicit register usage |
| 1258 | LockCallTemps(); |
| 1259 | |
| 1260 | DexCompilationUnit* cUnit = mir_graph_->GetCurrentDexCompilationUnit(); |
| 1261 | MethodReference target_method(cUnit->GetDexFile(), info->index); |
| 1262 | int vtable_idx; |
| 1263 | uintptr_t direct_code; |
| 1264 | uintptr_t direct_method; |
| 1265 | bool skip_this; |
| 1266 | bool fast_path = |
| 1267 | cu_->compiler_driver->ComputeInvokeInfo(mir_graph_->GetCurrentDexCompilationUnit(), |
| 1268 | current_dalvik_offset_, |
Ian Rogers | 65ec92c | 2013-09-06 10:49:58 -0700 | [diff] [blame] | 1269 | true, true, |
| 1270 | &info->type, &target_method, |
| 1271 | &vtable_idx, |
| 1272 | &direct_code, &direct_method) && !SLOW_INVOKE_PATH; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1273 | if (info->type == kInterface) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1274 | next_call_insn = fast_path ? NextInterfaceCallInsn : NextInterfaceCallInsnWithAccessCheck; |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 1275 | skip_this = fast_path; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1276 | } else if (info->type == kDirect) { |
| 1277 | if (fast_path) { |
| 1278 | p_null_ck = &null_ck; |
| 1279 | } |
| 1280 | next_call_insn = fast_path ? NextSDCallInsn : NextDirectCallInsnSP; |
| 1281 | skip_this = false; |
| 1282 | } else if (info->type == kStatic) { |
| 1283 | next_call_insn = fast_path ? NextSDCallInsn : NextStaticCallInsnSP; |
| 1284 | skip_this = false; |
| 1285 | } else if (info->type == kSuper) { |
| 1286 | DCHECK(!fast_path); // Fast path is a direct call. |
| 1287 | next_call_insn = NextSuperCallInsnSP; |
| 1288 | skip_this = false; |
| 1289 | } else { |
| 1290 | DCHECK_EQ(info->type, kVirtual); |
| 1291 | next_call_insn = fast_path ? NextVCallInsn : NextVCallInsnSP; |
| 1292 | skip_this = fast_path; |
| 1293 | } |
| 1294 | if (!info->is_range) { |
| 1295 | call_state = GenDalvikArgsNoRange(info, call_state, p_null_ck, |
| 1296 | next_call_insn, target_method, |
| 1297 | vtable_idx, direct_code, direct_method, |
| 1298 | original_type, skip_this); |
| 1299 | } else { |
| 1300 | call_state = GenDalvikArgsRange(info, call_state, p_null_ck, |
| 1301 | next_call_insn, target_method, vtable_idx, |
| 1302 | direct_code, direct_method, original_type, |
| 1303 | skip_this); |
| 1304 | } |
| 1305 | // Finish up any of the call sequence not interleaved in arg loading |
| 1306 | while (call_state >= 0) { |
| 1307 | call_state = next_call_insn(cu_, info, call_state, target_method, |
| 1308 | vtable_idx, direct_code, direct_method, |
| 1309 | original_type); |
| 1310 | } |
| 1311 | LIR* call_inst; |
| 1312 | if (cu_->instruction_set != kX86) { |
| 1313 | call_inst = OpReg(kOpBlx, TargetReg(kInvokeTgt)); |
| 1314 | } else { |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 1315 | if (fast_path) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1316 | call_inst = OpMem(kOpBlx, TargetReg(kArg0), |
Brian Carlstrom | ea46f95 | 2013-07-30 01:26:50 -0700 | [diff] [blame] | 1317 | mirror::ArtMethod::GetEntryPointFromCompiledCodeOffset().Int32Value()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1318 | } else { |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 1319 | ThreadOffset trampoline(-1); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1320 | switch (info->type) { |
| 1321 | case kInterface: |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 1322 | trampoline = QUICK_ENTRYPOINT_OFFSET(pInvokeInterfaceTrampolineWithAccessCheck); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1323 | break; |
| 1324 | case kDirect: |
Ian Rogers | 7655f29 | 2013-07-29 11:07:13 -0700 | [diff] [blame] | 1325 | trampoline = QUICK_ENTRYPOINT_OFFSET(pInvokeDirectTrampolineWithAccessCheck); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1326 | break; |
| 1327 | case kStatic: |
Ian Rogers | 7655f29 | 2013-07-29 11:07:13 -0700 | [diff] [blame] | 1328 | trampoline = QUICK_ENTRYPOINT_OFFSET(pInvokeStaticTrampolineWithAccessCheck); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1329 | break; |
| 1330 | case kSuper: |
Ian Rogers | 7655f29 | 2013-07-29 11:07:13 -0700 | [diff] [blame] | 1331 | trampoline = QUICK_ENTRYPOINT_OFFSET(pInvokeSuperTrampolineWithAccessCheck); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1332 | break; |
| 1333 | case kVirtual: |
Ian Rogers | 7655f29 | 2013-07-29 11:07:13 -0700 | [diff] [blame] | 1334 | trampoline = QUICK_ENTRYPOINT_OFFSET(pInvokeVirtualTrampolineWithAccessCheck); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1335 | break; |
| 1336 | default: |
| 1337 | LOG(FATAL) << "Unexpected invoke type"; |
| 1338 | } |
| 1339 | call_inst = OpThreadMem(kOpBlx, trampoline); |
| 1340 | } |
| 1341 | } |
| 1342 | MarkSafepointPC(call_inst); |
| 1343 | |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame^] | 1344 | ClobberCallerSave(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1345 | if (info->result.location != kLocInvalid) { |
| 1346 | // We have a following MOVE_RESULT - do it now. |
| 1347 | if (info->result.wide) { |
| 1348 | RegLocation ret_loc = GetReturnWide(info->result.fp); |
| 1349 | StoreValueWide(info->result, ret_loc); |
| 1350 | } else { |
| 1351 | RegLocation ret_loc = GetReturn(info->result.fp); |
| 1352 | StoreValue(info->result, ret_loc); |
| 1353 | } |
| 1354 | } |
| 1355 | } |
| 1356 | |
| 1357 | } // namespace art |