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" |
Dmitry Petrochenko | 37498b6 | 2014-05-05 20:33:38 +0700 | [diff] [blame] | 25 | #include "mirror/object_array-inl.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 26 | #include "mirror/string.h" |
| 27 | #include "mir_to_lir-inl.h" |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 28 | #include "x86/codegen_x86.h" |
| 29 | |
| 30 | namespace art { |
| 31 | |
Dmitry Petrochenko | 37498b6 | 2014-05-05 20:33:38 +0700 | [diff] [blame] | 32 | // Shortcuts to repeatedly used long types. |
| 33 | typedef mirror::ObjectArray<mirror::Object> ObjArray; |
| 34 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 35 | /* |
| 36 | * This source files contains "gen" codegen routines that should |
| 37 | * be applicable to most targets. Only mid-level support utilities |
| 38 | * and "op" calls may be used here. |
| 39 | */ |
| 40 | |
Mingyao Yang | 3a74d15 | 2014-04-21 15:39:44 -0700 | [diff] [blame] | 41 | void Mir2Lir::AddIntrinsicSlowPath(CallInfo* info, LIR* branch, LIR* resume) { |
| 42 | class IntrinsicSlowPathPath : public Mir2Lir::LIRSlowPath { |
Vladimir Marko | 3bc8615 | 2014-03-13 14:11:28 +0000 | [diff] [blame] | 43 | public: |
Mingyao Yang | 3a74d15 | 2014-04-21 15:39:44 -0700 | [diff] [blame] | 44 | IntrinsicSlowPathPath(Mir2Lir* m2l, CallInfo* info, LIR* branch, LIR* resume = nullptr) |
Vladimir Marko | 3bc8615 | 2014-03-13 14:11:28 +0000 | [diff] [blame] | 45 | : LIRSlowPath(m2l, info->offset, branch, resume), info_(info) { |
| 46 | } |
| 47 | |
| 48 | void Compile() { |
| 49 | m2l_->ResetRegPool(); |
| 50 | m2l_->ResetDefTracking(); |
Mingyao Yang | 6ffcfa0 | 2014-04-25 11:06:00 -0700 | [diff] [blame] | 51 | GenerateTargetLabel(kPseudoIntrinsicRetry); |
Vladimir Marko | 3bc8615 | 2014-03-13 14:11:28 +0000 | [diff] [blame] | 52 | // NOTE: GenInvokeNoInline() handles MarkSafepointPC. |
| 53 | m2l_->GenInvokeNoInline(info_); |
| 54 | if (cont_ != nullptr) { |
| 55 | m2l_->OpUnconditionalBranch(cont_); |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | private: |
| 60 | CallInfo* const info_; |
| 61 | }; |
| 62 | |
Mingyao Yang | 3a74d15 | 2014-04-21 15:39:44 -0700 | [diff] [blame] | 63 | AddSlowPath(new (arena_) IntrinsicSlowPathPath(this, info, branch, resume)); |
Vladimir Marko | 3bc8615 | 2014-03-13 14:11:28 +0000 | [diff] [blame] | 64 | } |
| 65 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 66 | // Macro to help instantiate. |
| 67 | // TODO: This might be used to only instantiate <4> on pure 32b systems. |
| 68 | #define INSTANTIATE(sig_part1, ...) \ |
| 69 | template sig_part1(ThreadOffset<4>, __VA_ARGS__); \ |
| 70 | template sig_part1(ThreadOffset<8>, __VA_ARGS__); \ |
| 71 | |
| 72 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 73 | /* |
| 74 | * To save scheduling time, helper calls are broken into two parts: generation of |
Dave Allison | d6ed642 | 2014-04-09 23:36:15 +0000 | [diff] [blame] | 75 | * the helper target address, and the actual call to the helper. Because x86 |
| 76 | * has a memory call operation, part 1 is a NOP for x86. For other targets, |
| 77 | * load arguments between the two parts. |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 78 | */ |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 79 | // template <size_t pointer_size> |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 80 | RegStorage Mir2Lir::CallHelperSetup(ThreadOffset<4> helper_offset) { |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 81 | // All CallRuntimeHelperXXX call this first. So make a central check here. |
| 82 | DCHECK_EQ(4U, GetInstructionSetPointerSize(cu_->instruction_set)); |
| 83 | |
| 84 | if (cu_->instruction_set == kX86 || cu_->instruction_set == kX86_64) { |
| 85 | return RegStorage::InvalidReg(); |
| 86 | } else { |
| 87 | return LoadHelper(helper_offset); |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | RegStorage Mir2Lir::CallHelperSetup(ThreadOffset<8> helper_offset) { |
| 92 | // All CallRuntimeHelperXXX call this first. So make a central check here. |
| 93 | DCHECK_EQ(8U, GetInstructionSetPointerSize(cu_->instruction_set)); |
| 94 | |
| 95 | if (cu_->instruction_set == kX86 || cu_->instruction_set == kX86_64) { |
| 96 | return RegStorage::InvalidReg(); |
| 97 | } else { |
| 98 | return LoadHelper(helper_offset); |
| 99 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 100 | } |
| 101 | |
| 102 | /* NOTE: if r_tgt is a temp, it will be freed following use */ |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 103 | template <size_t pointer_size> |
| 104 | LIR* Mir2Lir::CallHelper(RegStorage r_tgt, ThreadOffset<pointer_size> helper_offset, |
| 105 | bool safepoint_pc, bool use_link) { |
Dave Allison | d6ed642 | 2014-04-09 23:36:15 +0000 | [diff] [blame] | 106 | LIR* call_inst; |
Brian Carlstrom | 60d7a65 | 2014-03-13 18:10:08 -0700 | [diff] [blame] | 107 | OpKind op = use_link ? kOpBlx : kOpBx; |
Dave Allison | d6ed642 | 2014-04-09 23:36:15 +0000 | [diff] [blame] | 108 | if (cu_->instruction_set == kX86 || cu_->instruction_set == kX86_64) { |
| 109 | call_inst = OpThreadMem(op, helper_offset); |
| 110 | } else { |
| 111 | call_inst = OpReg(op, r_tgt); |
| 112 | FreeTemp(r_tgt); |
| 113 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 114 | if (safepoint_pc) { |
| 115 | MarkSafepointPC(call_inst); |
| 116 | } |
| 117 | return call_inst; |
| 118 | } |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 119 | template LIR* Mir2Lir::CallHelper(RegStorage r_tgt, ThreadOffset<4> helper_offset, |
| 120 | bool safepoint_pc, bool use_link); |
| 121 | template LIR* Mir2Lir::CallHelper(RegStorage r_tgt, ThreadOffset<8> helper_offset, |
| 122 | bool safepoint_pc, bool use_link); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 123 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 124 | template <size_t pointer_size> |
| 125 | void Mir2Lir::CallRuntimeHelper(ThreadOffset<pointer_size> helper_offset, bool safepoint_pc) { |
Mingyao Yang | 4289456 | 2014-04-07 12:42:16 -0700 | [diff] [blame] | 126 | RegStorage r_tgt = CallHelperSetup(helper_offset); |
| 127 | ClobberCallerSave(); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 128 | CallHelper<pointer_size>(r_tgt, helper_offset, safepoint_pc); |
Mingyao Yang | 4289456 | 2014-04-07 12:42:16 -0700 | [diff] [blame] | 129 | } |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 130 | INSTANTIATE(void Mir2Lir::CallRuntimeHelper, bool safepoint_pc) |
Mingyao Yang | 4289456 | 2014-04-07 12:42:16 -0700 | [diff] [blame] | 131 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 132 | template <size_t pointer_size> |
| 133 | void Mir2Lir::CallRuntimeHelperImm(ThreadOffset<pointer_size> helper_offset, int arg0, bool safepoint_pc) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 134 | RegStorage r_tgt = CallHelperSetup(helper_offset); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 135 | LoadConstant(TargetReg(kArg0), arg0); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame] | 136 | ClobberCallerSave(); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 137 | CallHelper<pointer_size>(r_tgt, helper_offset, safepoint_pc); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 138 | } |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 139 | INSTANTIATE(void Mir2Lir::CallRuntimeHelperImm, int arg0, bool safepoint_pc) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 140 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 141 | template <size_t pointer_size> |
| 142 | void Mir2Lir::CallRuntimeHelperReg(ThreadOffset<pointer_size> helper_offset, RegStorage arg0, |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 143 | bool safepoint_pc) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 144 | RegStorage r_tgt = CallHelperSetup(helper_offset); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 145 | OpRegCopy(TargetReg(kArg0), arg0); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame] | 146 | ClobberCallerSave(); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 147 | CallHelper<pointer_size>(r_tgt, helper_offset, safepoint_pc); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 148 | } |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 149 | INSTANTIATE(void Mir2Lir::CallRuntimeHelperReg, RegStorage arg0, bool safepoint_pc) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 150 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 151 | template <size_t pointer_size> |
| 152 | void Mir2Lir::CallRuntimeHelperRegLocation(ThreadOffset<pointer_size> helper_offset, |
| 153 | RegLocation arg0, bool safepoint_pc) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 154 | RegStorage r_tgt = CallHelperSetup(helper_offset); |
| 155 | if (arg0.wide == 0) { |
Douglas Leung | 2db3e26 | 2014-06-25 16:02:55 -0700 | [diff] [blame] | 156 | LoadValueDirectFixed(arg0, TargetReg(arg0.fp ? kFArg0 : kArg0)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 157 | } else { |
Chao-ying Fu | 7e399fd | 2014-06-10 18:11:11 -0700 | [diff] [blame] | 158 | RegStorage r_tmp; |
buzbee | 33ae558 | 2014-06-12 14:56:32 -0700 | [diff] [blame] | 159 | if (cu_->target64) { |
Chao-ying Fu | 7e399fd | 2014-06-10 18:11:11 -0700 | [diff] [blame] | 160 | r_tmp = RegStorage::Solo64(TargetReg(kArg0).GetReg()); |
| 161 | } else { |
Douglas Leung | 2db3e26 | 2014-06-25 16:02:55 -0700 | [diff] [blame] | 162 | r_tmp = RegStorage::MakeRegPair(TargetReg(arg0.fp ? kFArg0 : kArg0), |
| 163 | TargetReg(arg0.fp ? kFArg1 : kArg1)); |
Chao-ying Fu | 7e399fd | 2014-06-10 18:11:11 -0700 | [diff] [blame] | 164 | } |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 165 | LoadValueDirectWideFixed(arg0, r_tmp); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 166 | } |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame] | 167 | ClobberCallerSave(); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 168 | CallHelper<pointer_size>(r_tgt, helper_offset, safepoint_pc); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 169 | } |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 170 | INSTANTIATE(void Mir2Lir::CallRuntimeHelperRegLocation, RegLocation arg0, bool safepoint_pc) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 171 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 172 | template <size_t pointer_size> |
| 173 | void Mir2Lir::CallRuntimeHelperImmImm(ThreadOffset<pointer_size> helper_offset, int arg0, int arg1, |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 174 | bool safepoint_pc) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 175 | RegStorage r_tgt = CallHelperSetup(helper_offset); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 176 | LoadConstant(TargetReg(kArg0), arg0); |
| 177 | LoadConstant(TargetReg(kArg1), arg1); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame] | 178 | ClobberCallerSave(); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 179 | CallHelper<pointer_size>(r_tgt, helper_offset, safepoint_pc); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 180 | } |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 181 | INSTANTIATE(void Mir2Lir::CallRuntimeHelperImmImm, int arg0, int arg1, bool safepoint_pc) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 182 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 183 | template <size_t pointer_size> |
| 184 | void Mir2Lir::CallRuntimeHelperImmRegLocation(ThreadOffset<pointer_size> helper_offset, int arg0, |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 185 | RegLocation arg1, bool safepoint_pc) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 186 | RegStorage r_tgt = CallHelperSetup(helper_offset); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 187 | if (arg1.wide == 0) { |
Andreas Gampe | f9872f0 | 2014-07-01 19:00:09 -0700 | [diff] [blame^] | 188 | LoadValueDirectFixed(arg1, TargetReg(kArg1, arg1)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 189 | } else { |
Chao-ying Fu | 7e399fd | 2014-06-10 18:11:11 -0700 | [diff] [blame] | 190 | RegStorage r_tmp; |
buzbee | 33ae558 | 2014-06-12 14:56:32 -0700 | [diff] [blame] | 191 | if (cu_->target64) { |
Andreas Gampe | f9872f0 | 2014-07-01 19:00:09 -0700 | [diff] [blame^] | 192 | r_tmp = TargetReg(kArg1, true); |
Chao-ying Fu | 7e399fd | 2014-06-10 18:11:11 -0700 | [diff] [blame] | 193 | } else { |
Douglas Leung | 2db3e26 | 2014-06-25 16:02:55 -0700 | [diff] [blame] | 194 | if (cu_->instruction_set == kMips) { |
| 195 | // skip kArg1 for stack alignment. |
| 196 | r_tmp = RegStorage::MakeRegPair(TargetReg(kArg2), TargetReg(kArg3)); |
| 197 | } else { |
| 198 | r_tmp = RegStorage::MakeRegPair(TargetReg(kArg1), TargetReg(kArg2)); |
| 199 | } |
Chao-ying Fu | 7e399fd | 2014-06-10 18:11:11 -0700 | [diff] [blame] | 200 | } |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 201 | LoadValueDirectWideFixed(arg1, r_tmp); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 202 | } |
| 203 | LoadConstant(TargetReg(kArg0), arg0); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame] | 204 | ClobberCallerSave(); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 205 | CallHelper<pointer_size>(r_tgt, helper_offset, safepoint_pc); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 206 | } |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 207 | INSTANTIATE(void Mir2Lir::CallRuntimeHelperImmRegLocation, int arg0, RegLocation arg1, |
| 208 | bool safepoint_pc) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 209 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 210 | template <size_t pointer_size> |
| 211 | void Mir2Lir::CallRuntimeHelperRegLocationImm(ThreadOffset<pointer_size> helper_offset, |
| 212 | RegLocation arg0, int arg1, bool safepoint_pc) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 213 | RegStorage r_tgt = CallHelperSetup(helper_offset); |
Andreas Gampe | f9872f0 | 2014-07-01 19:00:09 -0700 | [diff] [blame^] | 214 | DCHECK(!arg0.wide); |
| 215 | LoadValueDirectFixed(arg0, TargetReg(kArg0, arg0)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 216 | LoadConstant(TargetReg(kArg1), arg1); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame] | 217 | ClobberCallerSave(); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 218 | CallHelper<pointer_size>(r_tgt, helper_offset, safepoint_pc); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 219 | } |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 220 | INSTANTIATE(void Mir2Lir::CallRuntimeHelperRegLocationImm, RegLocation arg0, int arg1, |
| 221 | bool safepoint_pc) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 222 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 223 | template <size_t pointer_size> |
| 224 | void Mir2Lir::CallRuntimeHelperImmReg(ThreadOffset<pointer_size> helper_offset, int arg0, |
| 225 | RegStorage arg1, bool safepoint_pc) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 226 | RegStorage r_tgt = CallHelperSetup(helper_offset); |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 227 | OpRegCopy(TargetReg(kArg1, arg1.Is64Bit()), arg1); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 228 | LoadConstant(TargetReg(kArg0), arg0); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame] | 229 | ClobberCallerSave(); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 230 | CallHelper<pointer_size>(r_tgt, helper_offset, safepoint_pc); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 231 | } |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 232 | INSTANTIATE(void Mir2Lir::CallRuntimeHelperImmReg, int arg0, RegStorage arg1, bool safepoint_pc) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 233 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 234 | template <size_t pointer_size> |
| 235 | void Mir2Lir::CallRuntimeHelperRegImm(ThreadOffset<pointer_size> helper_offset, RegStorage arg0, |
| 236 | int arg1, bool safepoint_pc) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 237 | RegStorage r_tgt = CallHelperSetup(helper_offset); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 238 | OpRegCopy(TargetReg(kArg0), arg0); |
| 239 | LoadConstant(TargetReg(kArg1), arg1); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame] | 240 | ClobberCallerSave(); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 241 | CallHelper<pointer_size>(r_tgt, helper_offset, safepoint_pc); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 242 | } |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 243 | INSTANTIATE(void Mir2Lir::CallRuntimeHelperRegImm, RegStorage arg0, int arg1, bool safepoint_pc) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 244 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 245 | template <size_t pointer_size> |
| 246 | void Mir2Lir::CallRuntimeHelperImmMethod(ThreadOffset<pointer_size> helper_offset, int arg0, |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 247 | bool safepoint_pc) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 248 | RegStorage r_tgt = CallHelperSetup(helper_offset); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 249 | LoadCurrMethodDirect(TargetReg(kArg1)); |
| 250 | LoadConstant(TargetReg(kArg0), arg0); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame] | 251 | ClobberCallerSave(); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 252 | CallHelper<pointer_size>(r_tgt, helper_offset, safepoint_pc); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 253 | } |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 254 | INSTANTIATE(void Mir2Lir::CallRuntimeHelperImmMethod, int arg0, bool safepoint_pc) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 255 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 256 | template <size_t pointer_size> |
| 257 | void Mir2Lir::CallRuntimeHelperRegMethod(ThreadOffset<pointer_size> helper_offset, RegStorage arg0, |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 258 | bool safepoint_pc) { |
| 259 | RegStorage r_tgt = CallHelperSetup(helper_offset); |
| 260 | DCHECK_NE(TargetReg(kArg1).GetReg(), arg0.GetReg()); |
Hiroshi Yamauchi | be1ca55 | 2014-01-15 11:46:48 -0800 | [diff] [blame] | 261 | if (TargetReg(kArg0) != arg0) { |
| 262 | OpRegCopy(TargetReg(kArg0), arg0); |
| 263 | } |
| 264 | LoadCurrMethodDirect(TargetReg(kArg1)); |
| 265 | ClobberCallerSave(); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 266 | CallHelper<pointer_size>(r_tgt, helper_offset, safepoint_pc); |
Hiroshi Yamauchi | be1ca55 | 2014-01-15 11:46:48 -0800 | [diff] [blame] | 267 | } |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 268 | INSTANTIATE(void Mir2Lir::CallRuntimeHelperRegMethod, RegStorage arg0, bool safepoint_pc) |
Hiroshi Yamauchi | be1ca55 | 2014-01-15 11:46:48 -0800 | [diff] [blame] | 269 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 270 | template <size_t pointer_size> |
| 271 | void Mir2Lir::CallRuntimeHelperRegMethodRegLocation(ThreadOffset<pointer_size> helper_offset, |
| 272 | RegStorage arg0, RegLocation arg2, |
| 273 | bool safepoint_pc) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 274 | RegStorage r_tgt = CallHelperSetup(helper_offset); |
| 275 | DCHECK_NE(TargetReg(kArg1).GetReg(), arg0.GetReg()); |
Hiroshi Yamauchi | bb8f0ab | 2014-01-27 16:50:29 -0800 | [diff] [blame] | 276 | if (TargetReg(kArg0) != arg0) { |
| 277 | OpRegCopy(TargetReg(kArg0), arg0); |
| 278 | } |
| 279 | LoadCurrMethodDirect(TargetReg(kArg1)); |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 280 | LoadValueDirectFixed(arg2, TargetReg(kArg2, arg2)); |
Hiroshi Yamauchi | bb8f0ab | 2014-01-27 16:50:29 -0800 | [diff] [blame] | 281 | ClobberCallerSave(); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 282 | CallHelper<pointer_size>(r_tgt, helper_offset, safepoint_pc); |
Hiroshi Yamauchi | bb8f0ab | 2014-01-27 16:50:29 -0800 | [diff] [blame] | 283 | } |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 284 | INSTANTIATE(void Mir2Lir::CallRuntimeHelperRegMethodRegLocation, RegStorage arg0, RegLocation arg2, |
| 285 | bool safepoint_pc) |
Hiroshi Yamauchi | bb8f0ab | 2014-01-27 16:50:29 -0800 | [diff] [blame] | 286 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 287 | template <size_t pointer_size> |
| 288 | void Mir2Lir::CallRuntimeHelperRegLocationRegLocation(ThreadOffset<pointer_size> helper_offset, |
Ian Rogers | dd7624d | 2014-03-14 17:43:00 -0700 | [diff] [blame] | 289 | RegLocation arg0, RegLocation arg1, |
| 290 | bool safepoint_pc) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 291 | RegStorage r_tgt = CallHelperSetup(helper_offset); |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 292 | if (cu_->instruction_set == kArm64) { |
| 293 | RegStorage arg0_reg = TargetReg((arg0.fp) ? kFArg0 : kArg0, arg0); |
| 294 | |
| 295 | RegStorage arg1_reg; |
| 296 | if (arg1.fp == arg0.fp) { |
| 297 | arg1_reg = TargetReg((arg1.fp) ? kFArg1 : kArg1, arg1); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 298 | } else { |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 299 | arg1_reg = TargetReg((arg1.fp) ? kFArg0 : kArg0, arg1); |
| 300 | } |
| 301 | |
| 302 | if (arg0.wide == 0) { |
| 303 | LoadValueDirectFixed(arg0, arg0_reg); |
| 304 | } else { |
| 305 | LoadValueDirectWideFixed(arg0, arg0_reg); |
| 306 | } |
| 307 | |
| 308 | if (arg1.wide == 0) { |
| 309 | LoadValueDirectFixed(arg1, arg1_reg); |
| 310 | } else { |
| 311 | LoadValueDirectWideFixed(arg1, arg1_reg); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 312 | } |
| 313 | } else { |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 314 | if (arg0.wide == 0) { |
| 315 | LoadValueDirectFixed(arg0, arg0.fp ? TargetReg(kFArg0) : TargetReg(kArg0)); |
| 316 | if (arg1.wide == 0) { |
| 317 | if (cu_->instruction_set == kMips) { |
| 318 | LoadValueDirectFixed(arg1, arg1.fp ? TargetReg(kFArg2) : TargetReg(kArg1)); |
| 319 | } else if (cu_->instruction_set == kArm64) { |
| 320 | LoadValueDirectFixed(arg1, arg1.fp ? TargetReg(kFArg1) : TargetReg(kArg1)); |
| 321 | } else if (cu_->instruction_set == kX86_64) { |
| 322 | if (arg0.fp) { |
| 323 | LoadValueDirectFixed(arg1, arg1.fp ? TargetReg(kFArg1) : TargetReg(kArg0)); |
| 324 | } else { |
| 325 | LoadValueDirectFixed(arg1, arg1.fp ? TargetReg(kFArg0) : TargetReg(kArg1)); |
| 326 | } |
| 327 | } else { |
| 328 | LoadValueDirectFixed(arg1, TargetReg(kArg1)); |
| 329 | } |
Dmitry Petrochenko | 58994cd | 2014-05-17 01:02:18 +0700 | [diff] [blame] | 330 | } else { |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 331 | if (cu_->instruction_set == kMips) { |
| 332 | RegStorage r_tmp; |
| 333 | if (arg1.fp) { |
| 334 | r_tmp = RegStorage::MakeRegPair(TargetReg(kFArg2), TargetReg(kFArg3)); |
| 335 | } else { |
| 336 | // skip kArg1 for stack alignment. |
| 337 | r_tmp = RegStorage::MakeRegPair(TargetReg(kArg2), TargetReg(kArg3)); |
| 338 | } |
| 339 | LoadValueDirectWideFixed(arg1, r_tmp); |
| 340 | } else { |
| 341 | RegStorage r_tmp; |
| 342 | if (cu_->target64) { |
| 343 | r_tmp = RegStorage::Solo64(TargetReg(kArg1).GetReg()); |
| 344 | } else { |
| 345 | r_tmp = RegStorage::MakeRegPair(TargetReg(kArg1), TargetReg(kArg2)); |
| 346 | } |
| 347 | LoadValueDirectWideFixed(arg1, r_tmp); |
| 348 | } |
Dmitry Petrochenko | 58994cd | 2014-05-17 01:02:18 +0700 | [diff] [blame] | 349 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 350 | } else { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 351 | RegStorage r_tmp; |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 352 | if (arg0.fp) { |
buzbee | 33ae558 | 2014-06-12 14:56:32 -0700 | [diff] [blame] | 353 | if (cu_->target64) { |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 354 | r_tmp = RegStorage::FloatSolo64(TargetReg(kFArg0).GetReg()); |
Dmitry Petrochenko | 58994cd | 2014-05-17 01:02:18 +0700 | [diff] [blame] | 355 | } else { |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 356 | r_tmp = RegStorage::MakeRegPair(TargetReg(kFArg0), TargetReg(kFArg1)); |
Dmitry Petrochenko | 58994cd | 2014-05-17 01:02:18 +0700 | [diff] [blame] | 357 | } |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 358 | } else { |
buzbee | 33ae558 | 2014-06-12 14:56:32 -0700 | [diff] [blame] | 359 | if (cu_->target64) { |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 360 | r_tmp = RegStorage::Solo64(TargetReg(kArg0).GetReg()); |
Dmitry Petrochenko | 58994cd | 2014-05-17 01:02:18 +0700 | [diff] [blame] | 361 | } else { |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 362 | r_tmp = RegStorage::MakeRegPair(TargetReg(kArg0), TargetReg(kArg1)); |
Dmitry Petrochenko | 58994cd | 2014-05-17 01:02:18 +0700 | [diff] [blame] | 363 | } |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 364 | } |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 365 | LoadValueDirectWideFixed(arg0, r_tmp); |
| 366 | if (arg1.wide == 0) { |
| 367 | if (cu_->target64) { |
| 368 | LoadValueDirectFixed(arg1, arg1.fp ? TargetReg(kFArg1) : TargetReg(kArg1)); |
| 369 | } else { |
| 370 | LoadValueDirectFixed(arg1, arg1.fp ? TargetReg(kFArg2) : TargetReg(kArg2)); |
| 371 | } |
| 372 | } else { |
| 373 | RegStorage r_tmp; |
| 374 | if (arg1.fp) { |
| 375 | if (cu_->target64) { |
| 376 | r_tmp = RegStorage::FloatSolo64(TargetReg(kFArg1).GetReg()); |
| 377 | } else { |
| 378 | r_tmp = RegStorage::MakeRegPair(TargetReg(kFArg2), TargetReg(kFArg3)); |
| 379 | } |
| 380 | } else { |
| 381 | if (cu_->target64) { |
| 382 | r_tmp = RegStorage::Solo64(TargetReg(kArg1).GetReg()); |
| 383 | } else { |
| 384 | r_tmp = RegStorage::MakeRegPair(TargetReg(kArg2), TargetReg(kArg3)); |
| 385 | } |
| 386 | } |
| 387 | LoadValueDirectWideFixed(arg1, r_tmp); |
| 388 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 389 | } |
| 390 | } |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame] | 391 | ClobberCallerSave(); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 392 | CallHelper<pointer_size>(r_tgt, helper_offset, safepoint_pc); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 393 | } |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 394 | INSTANTIATE(void Mir2Lir::CallRuntimeHelperRegLocationRegLocation, RegLocation arg0, |
| 395 | RegLocation arg1, bool safepoint_pc) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 396 | |
Andreas Gampe | 49c5f50 | 2014-06-20 11:34:17 -0700 | [diff] [blame] | 397 | // TODO: This is a hack! Reshape the two macros into functions and move them to a better place. |
| 398 | #define IsSameReg(r1, r2) \ |
| 399 | (GetRegInfo(r1)->Master()->GetReg().GetReg() == GetRegInfo(r2)->Master()->GetReg().GetReg()) |
| 400 | #define TargetArgReg(arg, is_wide) \ |
| 401 | (GetRegInfo(TargetReg(arg))->FindMatchingView( \ |
| 402 | (is_wide) ? RegisterInfo::k64SoloStorageMask : RegisterInfo::k32SoloStorageMask)->GetReg()) |
| 403 | |
Mingyao Yang | 80365d9 | 2014-04-18 12:10:58 -0700 | [diff] [blame] | 404 | void Mir2Lir::CopyToArgumentRegs(RegStorage arg0, RegStorage arg1) { |
Andreas Gampe | 49c5f50 | 2014-06-20 11:34:17 -0700 | [diff] [blame] | 405 | if (IsSameReg(arg1, TargetReg(kArg0))) { |
| 406 | if (IsSameReg(arg0, TargetReg(kArg1))) { |
Mingyao Yang | 80365d9 | 2014-04-18 12:10:58 -0700 | [diff] [blame] | 407 | // Swap kArg0 and kArg1 with kArg2 as temp. |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 408 | OpRegCopy(TargetReg(kArg2, arg1.Is64Bit()), arg1); |
| 409 | OpRegCopy(TargetReg(kArg0, arg0.Is64Bit()), arg0); |
| 410 | OpRegCopy(TargetReg(kArg1, arg1.Is64Bit()), TargetReg(kArg2, arg1.Is64Bit())); |
Mingyao Yang | 80365d9 | 2014-04-18 12:10:58 -0700 | [diff] [blame] | 411 | } else { |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 412 | OpRegCopy(TargetReg(kArg1, arg1.Is64Bit()), arg1); |
| 413 | OpRegCopy(TargetReg(kArg0, arg0.Is64Bit()), arg0); |
Mingyao Yang | 80365d9 | 2014-04-18 12:10:58 -0700 | [diff] [blame] | 414 | } |
| 415 | } else { |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 416 | OpRegCopy(TargetReg(kArg0, arg0.Is64Bit()), arg0); |
| 417 | OpRegCopy(TargetReg(kArg1, arg1.Is64Bit()), arg1); |
Mingyao Yang | 80365d9 | 2014-04-18 12:10:58 -0700 | [diff] [blame] | 418 | } |
| 419 | } |
| 420 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 421 | template <size_t pointer_size> |
| 422 | void Mir2Lir::CallRuntimeHelperRegReg(ThreadOffset<pointer_size> helper_offset, RegStorage arg0, |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 423 | RegStorage arg1, bool safepoint_pc) { |
| 424 | RegStorage r_tgt = CallHelperSetup(helper_offset); |
Mingyao Yang | 80365d9 | 2014-04-18 12:10:58 -0700 | [diff] [blame] | 425 | CopyToArgumentRegs(arg0, arg1); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame] | 426 | ClobberCallerSave(); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 427 | CallHelper<pointer_size>(r_tgt, helper_offset, safepoint_pc); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 428 | } |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 429 | INSTANTIATE(void Mir2Lir::CallRuntimeHelperRegReg, RegStorage arg0, RegStorage arg1, |
| 430 | bool safepoint_pc) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 431 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 432 | template <size_t pointer_size> |
| 433 | void Mir2Lir::CallRuntimeHelperRegRegImm(ThreadOffset<pointer_size> helper_offset, RegStorage arg0, |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 434 | RegStorage arg1, int arg2, bool safepoint_pc) { |
| 435 | RegStorage r_tgt = CallHelperSetup(helper_offset); |
Mingyao Yang | 80365d9 | 2014-04-18 12:10:58 -0700 | [diff] [blame] | 436 | CopyToArgumentRegs(arg0, arg1); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 437 | LoadConstant(TargetReg(kArg2), arg2); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame] | 438 | ClobberCallerSave(); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 439 | CallHelper<pointer_size>(r_tgt, helper_offset, safepoint_pc); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 440 | } |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 441 | INSTANTIATE(void Mir2Lir::CallRuntimeHelperRegRegImm, RegStorage arg0, RegStorage arg1, int arg2, |
| 442 | bool safepoint_pc) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 443 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 444 | template <size_t pointer_size> |
| 445 | void Mir2Lir::CallRuntimeHelperImmMethodRegLocation(ThreadOffset<pointer_size> helper_offset, |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 446 | int arg0, RegLocation arg2, bool safepoint_pc) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 447 | RegStorage r_tgt = CallHelperSetup(helper_offset); |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 448 | LoadValueDirectFixed(arg2, TargetReg(kArg2, arg2)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 449 | LoadCurrMethodDirect(TargetReg(kArg1)); |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 450 | LoadConstant(TargetReg(kArg0, arg0), arg0); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame] | 451 | ClobberCallerSave(); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 452 | CallHelper<pointer_size>(r_tgt, helper_offset, safepoint_pc); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 453 | } |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 454 | INSTANTIATE(void Mir2Lir::CallRuntimeHelperImmMethodRegLocation, int arg0, RegLocation arg2, |
| 455 | bool safepoint_pc) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 456 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 457 | template <size_t pointer_size> |
| 458 | void Mir2Lir::CallRuntimeHelperImmMethodImm(ThreadOffset<pointer_size> helper_offset, int arg0, |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 459 | int arg2, bool safepoint_pc) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 460 | RegStorage r_tgt = CallHelperSetup(helper_offset); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 461 | LoadCurrMethodDirect(TargetReg(kArg1)); |
| 462 | LoadConstant(TargetReg(kArg2), arg2); |
| 463 | LoadConstant(TargetReg(kArg0), arg0); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame] | 464 | ClobberCallerSave(); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 465 | CallHelper<pointer_size>(r_tgt, helper_offset, safepoint_pc); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 466 | } |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 467 | INSTANTIATE(void Mir2Lir::CallRuntimeHelperImmMethodImm, int arg0, int arg2, bool safepoint_pc) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 468 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 469 | template <size_t pointer_size> |
| 470 | void Mir2Lir::CallRuntimeHelperImmRegLocationRegLocation(ThreadOffset<pointer_size> helper_offset, |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 471 | int arg0, RegLocation arg1, |
| 472 | RegLocation arg2, bool safepoint_pc) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 473 | RegStorage r_tgt = CallHelperSetup(helper_offset); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 474 | DCHECK_EQ(static_cast<unsigned int>(arg1.wide), 0U); // The static_cast works around an |
| 475 | // instantiation bug in GCC. |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 476 | LoadValueDirectFixed(arg1, TargetReg(kArg1, arg1)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 477 | if (arg2.wide == 0) { |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 478 | LoadValueDirectFixed(arg2, TargetReg(kArg2, arg2)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 479 | } else { |
Chao-ying Fu | 7e399fd | 2014-06-10 18:11:11 -0700 | [diff] [blame] | 480 | RegStorage r_tmp; |
buzbee | 33ae558 | 2014-06-12 14:56:32 -0700 | [diff] [blame] | 481 | if (cu_->target64) { |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 482 | r_tmp = TargetReg(kArg2, true); |
Chao-ying Fu | 7e399fd | 2014-06-10 18:11:11 -0700 | [diff] [blame] | 483 | } else { |
| 484 | r_tmp = RegStorage::MakeRegPair(TargetReg(kArg2), TargetReg(kArg3)); |
| 485 | } |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 486 | LoadValueDirectWideFixed(arg2, r_tmp); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 487 | } |
| 488 | LoadConstant(TargetReg(kArg0), arg0); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame] | 489 | ClobberCallerSave(); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 490 | CallHelper<pointer_size>(r_tgt, helper_offset, safepoint_pc); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 491 | } |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 492 | INSTANTIATE(void Mir2Lir::CallRuntimeHelperImmRegLocationRegLocation, int arg0, RegLocation arg1, |
| 493 | RegLocation arg2, bool safepoint_pc) |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 494 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 495 | template <size_t pointer_size> |
| 496 | void Mir2Lir::CallRuntimeHelperRegLocationRegLocationRegLocation(ThreadOffset<pointer_size> helper_offset, |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 497 | RegLocation arg0, RegLocation arg1, |
| 498 | RegLocation arg2, |
| 499 | bool safepoint_pc) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 500 | RegStorage r_tgt = CallHelperSetup(helper_offset); |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 501 | LoadValueDirectFixed(arg0, TargetReg(kArg0, arg0)); |
| 502 | LoadValueDirectFixed(arg1, TargetReg(kArg1, arg1)); |
| 503 | LoadValueDirectFixed(arg2, TargetReg(kArg2, arg2)); |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame] | 504 | ClobberCallerSave(); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 505 | CallHelper<pointer_size>(r_tgt, helper_offset, safepoint_pc); |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 506 | } |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 507 | INSTANTIATE(void Mir2Lir::CallRuntimeHelperRegLocationRegLocationRegLocation, RegLocation arg0, |
| 508 | RegLocation arg1, RegLocation arg2, bool safepoint_pc) |
Ian Rogers | a9a8254 | 2013-10-04 11:17:26 -0700 | [diff] [blame] | 509 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 510 | /* |
| 511 | * If there are any ins passed in registers that have not been promoted |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 512 | * to a callee-save register, flush them to the frame. Perform initial |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 513 | * assignment of promoted arguments. |
| 514 | * |
| 515 | * ArgLocs is an array of location records describing the incoming arguments |
| 516 | * with one location record per word of argument. |
| 517 | */ |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 518 | void Mir2Lir::FlushIns(RegLocation* ArgLocs, RegLocation rl_method) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 519 | /* |
Zheng Xu | 511c8a6 | 2014-06-03 16:22:23 +0800 | [diff] [blame] | 520 | * Dummy up a RegLocation for the incoming StackReference<mirror::ArtMethod> |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 521 | * It will attempt to keep kArg0 live (or copy it to home location |
| 522 | * if promoted). |
| 523 | */ |
| 524 | RegLocation rl_src = rl_method; |
| 525 | rl_src.location = kLocPhysReg; |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 526 | rl_src.reg = TargetRefReg(kArg0); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 527 | rl_src.home = false; |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 528 | MarkLive(rl_src); |
buzbee | f2c3e56 | 2014-05-29 12:37:25 -0700 | [diff] [blame] | 529 | StoreValue(rl_method, rl_src); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 530 | // If Method* has been promoted, explicitly flush |
| 531 | if (rl_method.location == kLocPhysReg) { |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 532 | StoreRefDisp(TargetReg(kSp), 0, rl_src.reg, kNotVolatile); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 533 | } |
| 534 | |
Razvan A Lupusoru | 3bc0174 | 2014-02-06 13:18:43 -0800 | [diff] [blame] | 535 | if (cu_->num_ins == 0) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 536 | return; |
Razvan A Lupusoru | 3bc0174 | 2014-02-06 13:18:43 -0800 | [diff] [blame] | 537 | } |
| 538 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 539 | int start_vreg = cu_->num_dalvik_registers - cu_->num_ins; |
| 540 | /* |
| 541 | * Copy incoming arguments to their proper home locations. |
| 542 | * NOTE: an older version of dx had an issue in which |
| 543 | * it would reuse static method argument registers. |
| 544 | * This could result in the same Dalvik virtual register |
| 545 | * being promoted to both core and fp regs. To account for this, |
| 546 | * we only copy to the corresponding promoted physical register |
| 547 | * if it matches the type of the SSA name for the incoming |
| 548 | * argument. It is also possible that long and double arguments |
| 549 | * end up half-promoted. In those cases, we must flush the promoted |
| 550 | * half to memory as well. |
| 551 | */ |
Vladimir Marko | 8dea81c | 2014-06-06 14:50:36 +0100 | [diff] [blame] | 552 | ScopedMemRefType mem_ref_type(this, ResourceMask::kDalvikReg); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 553 | for (int i = 0; i < cu_->num_ins; i++) { |
| 554 | PromotionMap* v_map = &promotion_map_[start_vreg + i]; |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 555 | RegStorage reg = GetArgMappingToPhysicalReg(i); |
Razvan A Lupusoru | 3bc0174 | 2014-02-06 13:18:43 -0800 | [diff] [blame] | 556 | |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 557 | if (reg.Valid()) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 558 | // If arriving in register |
| 559 | bool need_flush = true; |
| 560 | RegLocation* t_loc = &ArgLocs[i]; |
| 561 | if ((v_map->core_location == kLocPhysReg) && !t_loc->fp) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 562 | OpRegCopy(RegStorage::Solo32(v_map->core_reg), reg); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 563 | need_flush = false; |
| 564 | } else if ((v_map->fp_location == kLocPhysReg) && t_loc->fp) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 565 | OpRegCopy(RegStorage::Solo32(v_map->FpReg), reg); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 566 | need_flush = false; |
| 567 | } else { |
| 568 | need_flush = true; |
| 569 | } |
| 570 | |
buzbee | d0a03b8 | 2013-09-14 08:21:05 -0700 | [diff] [blame] | 571 | // For wide args, force flush if not fully promoted |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 572 | if (t_loc->wide) { |
| 573 | PromotionMap* p_map = v_map + (t_loc->high_word ? -1 : +1); |
buzbee | d0a03b8 | 2013-09-14 08:21:05 -0700 | [diff] [blame] | 574 | // Is only half promoted? |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 575 | need_flush |= (p_map->core_location != v_map->core_location) || |
| 576 | (p_map->fp_location != v_map->fp_location); |
buzbee | d0a03b8 | 2013-09-14 08:21:05 -0700 | [diff] [blame] | 577 | if ((cu_->instruction_set == kThumb2) && t_loc->fp && !need_flush) { |
| 578 | /* |
| 579 | * In Arm, a double is represented as a pair of consecutive single float |
| 580 | * registers starting at an even number. It's possible that both Dalvik vRegs |
| 581 | * representing the incoming double were independently promoted as singles - but |
| 582 | * not in a form usable as a double. If so, we need to flush - even though the |
| 583 | * incoming arg appears fully in register. At this point in the code, both |
| 584 | * halves of the double are promoted. Make sure they are in a usable form. |
| 585 | */ |
| 586 | int lowreg_index = start_vreg + i + (t_loc->high_word ? -1 : 0); |
| 587 | int low_reg = promotion_map_[lowreg_index].FpReg; |
| 588 | int high_reg = promotion_map_[lowreg_index + 1].FpReg; |
| 589 | if (((low_reg & 0x1) != 0) || (high_reg != (low_reg + 1))) { |
| 590 | need_flush = true; |
| 591 | } |
| 592 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 593 | } |
| 594 | if (need_flush) { |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 595 | Store32Disp(TargetReg(kSp), SRegOffset(start_vreg + i), reg); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 596 | } |
| 597 | } else { |
| 598 | // If arriving in frame & promoted |
| 599 | if (v_map->core_location == kLocPhysReg) { |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 600 | Load32Disp(TargetReg(kSp), SRegOffset(start_vreg + i), RegStorage::Solo32(v_map->core_reg)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 601 | } |
| 602 | if (v_map->fp_location == kLocPhysReg) { |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 603 | Load32Disp(TargetReg(kSp), SRegOffset(start_vreg + i), RegStorage::Solo32(v_map->FpReg)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 604 | } |
| 605 | } |
| 606 | } |
| 607 | } |
| 608 | |
| 609 | /* |
| 610 | * Bit of a hack here - in the absence of a real scheduling pass, |
| 611 | * emit the next instruction in static & direct invoke sequences. |
| 612 | */ |
| 613 | static int NextSDCallInsn(CompilationUnit* cu, CallInfo* info, |
| 614 | int state, const MethodReference& target_method, |
| 615 | uint32_t unused, |
| 616 | uintptr_t direct_code, uintptr_t direct_method, |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 617 | InvokeType type) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 618 | Mir2Lir* cg = static_cast<Mir2Lir*>(cu->cg.get()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 619 | if (direct_code != 0 && direct_method != 0) { |
| 620 | switch (state) { |
| 621 | case 0: // Get the current Method* [sets kArg0] |
Ian Rogers | ff093b3 | 2014-04-30 19:04:27 -0700 | [diff] [blame] | 622 | if (direct_code != static_cast<uintptr_t>(-1)) { |
Dmitry Petrochenko | 6a58cb1 | 2014-04-02 17:27:59 +0700 | [diff] [blame] | 623 | if (cu->instruction_set != kX86 && cu->instruction_set != kX86_64) { |
Ian Rogers | 83883d7 | 2013-10-21 21:07:24 -0700 | [diff] [blame] | 624 | cg->LoadConstant(cg->TargetReg(kInvokeTgt), direct_code); |
| 625 | } |
Dmitry Petrochenko | 6a58cb1 | 2014-04-02 17:27:59 +0700 | [diff] [blame] | 626 | } else if (cu->instruction_set != kX86 && cu->instruction_set != kX86_64) { |
Jeff Hao | 49161ce | 2014-03-12 11:05:25 -0700 | [diff] [blame] | 627 | cg->LoadCodeAddress(target_method, type, kInvokeTgt); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 628 | } |
Ian Rogers | ff093b3 | 2014-04-30 19:04:27 -0700 | [diff] [blame] | 629 | if (direct_method != static_cast<uintptr_t>(-1)) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 630 | cg->LoadConstant(cg->TargetReg(kArg0), direct_method); |
| 631 | } else { |
Jeff Hao | 49161ce | 2014-03-12 11:05:25 -0700 | [diff] [blame] | 632 | cg->LoadMethodAddress(target_method, type, kArg0); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 633 | } |
| 634 | break; |
| 635 | default: |
| 636 | return -1; |
| 637 | } |
| 638 | } else { |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 639 | RegStorage arg0_ref = cg->TargetRefReg(kArg0); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 640 | switch (state) { |
| 641 | case 0: // Get the current Method* [sets kArg0] |
| 642 | // TUNING: we can save a reg copy if Method* has been promoted. |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 643 | cg->LoadCurrMethodDirect(arg0_ref); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 644 | break; |
| 645 | case 1: // Get method->dex_cache_resolved_methods_ |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 646 | cg->LoadRefDisp(arg0_ref, |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 647 | mirror::ArtMethod::DexCacheResolvedMethodsOffset().Int32Value(), |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 648 | arg0_ref, |
Andreas Gampe | 3c12c51 | 2014-06-24 18:46:29 +0000 | [diff] [blame] | 649 | kNotVolatile); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 650 | // Set up direct code if known. |
| 651 | if (direct_code != 0) { |
Ian Rogers | ff093b3 | 2014-04-30 19:04:27 -0700 | [diff] [blame] | 652 | if (direct_code != static_cast<uintptr_t>(-1)) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 653 | cg->LoadConstant(cg->TargetReg(kInvokeTgt), direct_code); |
Dmitry Petrochenko | 6a58cb1 | 2014-04-02 17:27:59 +0700 | [diff] [blame] | 654 | } else if (cu->instruction_set != kX86 && cu->instruction_set != kX86_64) { |
Ian Rogers | 83883d7 | 2013-10-21 21:07:24 -0700 | [diff] [blame] | 655 | CHECK_LT(target_method.dex_method_index, target_method.dex_file->NumMethodIds()); |
Jeff Hao | 49161ce | 2014-03-12 11:05:25 -0700 | [diff] [blame] | 656 | cg->LoadCodeAddress(target_method, type, kInvokeTgt); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 657 | } |
| 658 | } |
| 659 | break; |
| 660 | case 2: // Grab target method* |
| 661 | CHECK_EQ(cu->dex_file, target_method.dex_file); |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 662 | cg->LoadRefDisp(arg0_ref, |
Dmitry Petrochenko | 37498b6 | 2014-05-05 20:33:38 +0700 | [diff] [blame] | 663 | ObjArray::OffsetOfElement(target_method.dex_method_index).Int32Value(), |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 664 | arg0_ref, |
Andreas Gampe | 3c12c51 | 2014-06-24 18:46:29 +0000 | [diff] [blame] | 665 | kNotVolatile); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 666 | break; |
| 667 | case 3: // Grab the code from the method* |
Dmitry Petrochenko | 6a58cb1 | 2014-04-02 17:27:59 +0700 | [diff] [blame] | 668 | if (cu->instruction_set != kX86 && cu->instruction_set != kX86_64) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 669 | if (direct_code == 0) { |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 670 | cg->LoadWordDisp(arg0_ref, |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 671 | mirror::ArtMethod::EntryPointFromQuickCompiledCodeOffset().Int32Value(), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 672 | cg->TargetReg(kInvokeTgt)); |
| 673 | } |
| 674 | break; |
| 675 | } |
| 676 | // Intentional fallthrough for x86 |
| 677 | default: |
| 678 | return -1; |
| 679 | } |
| 680 | } |
| 681 | return state + 1; |
| 682 | } |
| 683 | |
| 684 | /* |
| 685 | * Bit of a hack here - in the absence of a real scheduling pass, |
| 686 | * emit the next instruction in a virtual invoke sequence. |
| 687 | * We can use kLr as a temp prior to target address loading |
| 688 | * Note also that we'll load the first argument ("this") into |
| 689 | * kArg1 here rather than the standard LoadArgRegs. |
| 690 | */ |
| 691 | static int NextVCallInsn(CompilationUnit* cu, CallInfo* info, |
| 692 | int state, const MethodReference& target_method, |
| 693 | uint32_t method_idx, uintptr_t unused, uintptr_t unused2, |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 694 | InvokeType unused3) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 695 | Mir2Lir* cg = static_cast<Mir2Lir*>(cu->cg.get()); |
| 696 | /* |
| 697 | * This is the fast path in which the target virtual method is |
| 698 | * fully resolved at compile time. |
| 699 | */ |
| 700 | switch (state) { |
| 701 | case 0: { // Get "this" [set kArg1] |
| 702 | RegLocation rl_arg = info->args[0]; |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 703 | cg->LoadValueDirectFixed(rl_arg, cg->TargetRefReg(kArg1)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 704 | break; |
| 705 | } |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 706 | case 1: // Is "this" null? [use kArg1] |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 707 | cg->GenNullCheck(cg->TargetRefReg(kArg1), info->opt_flags); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 708 | // get this->klass_ [use kArg1, set kInvokeTgt] |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 709 | cg->LoadRefDisp(cg->TargetRefReg(kArg1), mirror::Object::ClassOffset().Int32Value(), |
Andreas Gampe | 3c12c51 | 2014-06-24 18:46:29 +0000 | [diff] [blame] | 710 | cg->TargetReg(kInvokeTgt), |
| 711 | kNotVolatile); |
Dave Allison | b373e09 | 2014-02-20 16:06:36 -0800 | [diff] [blame] | 712 | cg->MarkPossibleNullPointerException(info->opt_flags); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 713 | break; |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 714 | case 2: // Get this->klass_->vtable [usr kInvokeTgt, set kInvokeTgt] |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 715 | cg->LoadRefDisp(cg->TargetReg(kInvokeTgt), mirror::Class::VTableOffset().Int32Value(), |
Andreas Gampe | 3c12c51 | 2014-06-24 18:46:29 +0000 | [diff] [blame] | 716 | cg->TargetReg(kInvokeTgt), |
| 717 | kNotVolatile); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 718 | break; |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 719 | case 3: // Get target method [use kInvokeTgt, set kArg0] |
Dmitry Petrochenko | 37498b6 | 2014-05-05 20:33:38 +0700 | [diff] [blame] | 720 | cg->LoadRefDisp(cg->TargetReg(kInvokeTgt), |
| 721 | ObjArray::OffsetOfElement(method_idx).Int32Value(), |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 722 | cg->TargetRefReg(kArg0), |
Andreas Gampe | 3c12c51 | 2014-06-24 18:46:29 +0000 | [diff] [blame] | 723 | kNotVolatile); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 724 | break; |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 725 | case 4: // Get the compiled code address [uses kArg0, sets kInvokeTgt] |
Dmitry Petrochenko | 6a58cb1 | 2014-04-02 17:27:59 +0700 | [diff] [blame] | 726 | if (cu->instruction_set != kX86 && cu->instruction_set != kX86_64) { |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 727 | cg->LoadWordDisp(cg->TargetRefReg(kArg0), |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 728 | mirror::ArtMethod::EntryPointFromQuickCompiledCodeOffset().Int32Value(), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 729 | cg->TargetReg(kInvokeTgt)); |
| 730 | break; |
| 731 | } |
| 732 | // Intentional fallthrough for X86 |
| 733 | default: |
| 734 | return -1; |
| 735 | } |
| 736 | return state + 1; |
| 737 | } |
| 738 | |
| 739 | /* |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 740 | * Emit the next instruction in an invoke interface sequence. This will do a lookup in the |
| 741 | * class's IMT, calling either the actual method or art_quick_imt_conflict_trampoline if |
| 742 | * more than one interface method map to the same index. Note also that we'll load the first |
| 743 | * argument ("this") into kArg1 here rather than the standard LoadArgRegs. |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 744 | */ |
| 745 | static int NextInterfaceCallInsn(CompilationUnit* cu, CallInfo* info, int state, |
| 746 | const MethodReference& target_method, |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 747 | uint32_t method_idx, uintptr_t unused, |
| 748 | uintptr_t direct_method, InvokeType unused2) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 749 | Mir2Lir* cg = static_cast<Mir2Lir*>(cu->cg.get()); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 750 | |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 751 | switch (state) { |
| 752 | case 0: // Set target method index in case of conflict [set kHiddenArg, kHiddenFpArg (x86)] |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 753 | CHECK_LT(target_method.dex_method_index, target_method.dex_file->NumMethodIds()); |
| 754 | cg->LoadConstant(cg->TargetReg(kHiddenArg), target_method.dex_method_index); |
Mark Mendell | d3703d8 | 2014-06-09 15:10:50 -0400 | [diff] [blame] | 755 | if (cu->instruction_set == kX86) { |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 756 | cg->OpRegCopy(cg->TargetReg(kHiddenFpArg), cg->TargetReg(kHiddenArg)); |
| 757 | } |
| 758 | break; |
| 759 | case 1: { // Get "this" [set kArg1] |
| 760 | RegLocation rl_arg = info->args[0]; |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 761 | cg->LoadValueDirectFixed(rl_arg, cg->TargetRefReg(kArg1)); |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 762 | break; |
| 763 | } |
| 764 | case 2: // Is "this" null? [use kArg1] |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 765 | cg->GenNullCheck(cg->TargetRefReg(kArg1), info->opt_flags); |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 766 | // Get this->klass_ [use kArg1, set kInvokeTgt] |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 767 | cg->LoadRefDisp(cg->TargetRefReg(kArg1), mirror::Object::ClassOffset().Int32Value(), |
Andreas Gampe | 3c12c51 | 2014-06-24 18:46:29 +0000 | [diff] [blame] | 768 | cg->TargetReg(kInvokeTgt), |
| 769 | kNotVolatile); |
Dave Allison | b373e09 | 2014-02-20 16:06:36 -0800 | [diff] [blame] | 770 | cg->MarkPossibleNullPointerException(info->opt_flags); |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 771 | break; |
| 772 | case 3: // Get this->klass_->imtable [use kInvokeTgt, set kInvokeTgt] |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 773 | // NOTE: native pointer. |
| 774 | cg->LoadRefDisp(cg->TargetReg(kInvokeTgt), mirror::Class::ImTableOffset().Int32Value(), |
Andreas Gampe | 3c12c51 | 2014-06-24 18:46:29 +0000 | [diff] [blame] | 775 | cg->TargetReg(kInvokeTgt), |
| 776 | kNotVolatile); |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 777 | break; |
| 778 | case 4: // Get target method [use kInvokeTgt, set kArg0] |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 779 | // NOTE: native pointer. |
Dmitry Petrochenko | 37498b6 | 2014-05-05 20:33:38 +0700 | [diff] [blame] | 780 | cg->LoadRefDisp(cg->TargetReg(kInvokeTgt), |
| 781 | ObjArray::OffsetOfElement(method_idx % ClassLinker::kImtSize).Int32Value(), |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 782 | cg->TargetRefReg(kArg0), |
Andreas Gampe | 3c12c51 | 2014-06-24 18:46:29 +0000 | [diff] [blame] | 783 | kNotVolatile); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 784 | break; |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 785 | case 5: // Get the compiled code address [use kArg0, set kInvokeTgt] |
Dmitry Petrochenko | 6a58cb1 | 2014-04-02 17:27:59 +0700 | [diff] [blame] | 786 | if (cu->instruction_set != kX86 && cu->instruction_set != kX86_64) { |
Andreas Gampe | 4b537a8 | 2014-06-30 22:24:53 -0700 | [diff] [blame] | 787 | cg->LoadWordDisp(cg->TargetRefReg(kArg0), |
Ian Rogers | ef7d42f | 2014-01-06 12:55:46 -0800 | [diff] [blame] | 788 | mirror::ArtMethod::EntryPointFromQuickCompiledCodeOffset().Int32Value(), |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 789 | cg->TargetReg(kInvokeTgt)); |
| 790 | break; |
| 791 | } |
| 792 | // Intentional fallthrough for X86 |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 793 | default: |
| 794 | return -1; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 795 | } |
| 796 | return state + 1; |
| 797 | } |
| 798 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 799 | template <size_t pointer_size> |
| 800 | static int NextInvokeInsnSP(CompilationUnit* cu, CallInfo* info, ThreadOffset<pointer_size> trampoline, |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 801 | int state, const MethodReference& target_method, |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 802 | uint32_t method_idx) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 803 | Mir2Lir* cg = static_cast<Mir2Lir*>(cu->cg.get()); |
| 804 | /* |
| 805 | * This handles the case in which the base method is not fully |
| 806 | * resolved at compile time, we bail to a runtime helper. |
| 807 | */ |
| 808 | if (state == 0) { |
Dmitry Petrochenko | 6a58cb1 | 2014-04-02 17:27:59 +0700 | [diff] [blame] | 809 | if (cu->instruction_set != kX86 && cu->instruction_set != kX86_64) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 810 | // Load trampoline target |
Ian Rogers | 848871b | 2013-08-05 10:56:33 -0700 | [diff] [blame] | 811 | cg->LoadWordDisp(cg->TargetReg(kSelf), trampoline.Int32Value(), cg->TargetReg(kInvokeTgt)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 812 | } |
| 813 | // Load kArg0 with method index |
| 814 | CHECK_EQ(cu->dex_file, target_method.dex_file); |
| 815 | cg->LoadConstant(cg->TargetReg(kArg0), target_method.dex_method_index); |
| 816 | return 1; |
| 817 | } |
| 818 | return -1; |
| 819 | } |
| 820 | |
| 821 | static int NextStaticCallInsnSP(CompilationUnit* cu, CallInfo* info, |
| 822 | int state, |
| 823 | const MethodReference& target_method, |
Vladimir Marko | f096aad | 2014-01-23 15:51:58 +0000 | [diff] [blame] | 824 | uint32_t unused, uintptr_t unused2, |
| 825 | uintptr_t unused3, InvokeType unused4) { |
buzbee | 33ae558 | 2014-06-12 14:56:32 -0700 | [diff] [blame] | 826 | if (cu->target64) { |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 827 | ThreadOffset<8> trampoline = QUICK_ENTRYPOINT_OFFSET(8, pInvokeStaticTrampolineWithAccessCheck); |
| 828 | return NextInvokeInsnSP<8>(cu, info, trampoline, state, target_method, 0); |
| 829 | } else { |
| 830 | ThreadOffset<4> trampoline = QUICK_ENTRYPOINT_OFFSET(4, pInvokeStaticTrampolineWithAccessCheck); |
| 831 | return NextInvokeInsnSP<4>(cu, info, trampoline, state, target_method, 0); |
| 832 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 833 | } |
| 834 | |
| 835 | static int NextDirectCallInsnSP(CompilationUnit* cu, CallInfo* info, int state, |
| 836 | const MethodReference& target_method, |
Vladimir Marko | f096aad | 2014-01-23 15:51:58 +0000 | [diff] [blame] | 837 | uint32_t unused, uintptr_t unused2, |
| 838 | uintptr_t unused3, InvokeType unused4) { |
buzbee | 33ae558 | 2014-06-12 14:56:32 -0700 | [diff] [blame] | 839 | if (cu->target64) { |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 840 | ThreadOffset<8> trampoline = QUICK_ENTRYPOINT_OFFSET(8, pInvokeDirectTrampolineWithAccessCheck); |
| 841 | return NextInvokeInsnSP<8>(cu, info, trampoline, state, target_method, 0); |
| 842 | } else { |
| 843 | ThreadOffset<4> trampoline = QUICK_ENTRYPOINT_OFFSET(4, pInvokeDirectTrampolineWithAccessCheck); |
| 844 | return NextInvokeInsnSP<4>(cu, info, trampoline, state, target_method, 0); |
| 845 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 846 | } |
| 847 | |
| 848 | static int NextSuperCallInsnSP(CompilationUnit* cu, CallInfo* info, int state, |
| 849 | const MethodReference& target_method, |
Vladimir Marko | f096aad | 2014-01-23 15:51:58 +0000 | [diff] [blame] | 850 | uint32_t unused, uintptr_t unused2, |
| 851 | uintptr_t unused3, InvokeType unused4) { |
buzbee | 33ae558 | 2014-06-12 14:56:32 -0700 | [diff] [blame] | 852 | if (cu->target64) { |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 853 | ThreadOffset<8> trampoline = QUICK_ENTRYPOINT_OFFSET(8, pInvokeSuperTrampolineWithAccessCheck); |
| 854 | return NextInvokeInsnSP<8>(cu, info, trampoline, state, target_method, 0); |
| 855 | } else { |
| 856 | ThreadOffset<4> trampoline = QUICK_ENTRYPOINT_OFFSET(4, pInvokeSuperTrampolineWithAccessCheck); |
| 857 | return NextInvokeInsnSP<4>(cu, info, trampoline, state, target_method, 0); |
| 858 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 859 | } |
| 860 | |
| 861 | static int NextVCallInsnSP(CompilationUnit* cu, CallInfo* info, int state, |
| 862 | const MethodReference& target_method, |
Vladimir Marko | f096aad | 2014-01-23 15:51:58 +0000 | [diff] [blame] | 863 | uint32_t unused, uintptr_t unused2, |
| 864 | uintptr_t unused3, InvokeType unused4) { |
buzbee | 33ae558 | 2014-06-12 14:56:32 -0700 | [diff] [blame] | 865 | if (cu->target64) { |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 866 | ThreadOffset<8> trampoline = QUICK_ENTRYPOINT_OFFSET(8, pInvokeVirtualTrampolineWithAccessCheck); |
| 867 | return NextInvokeInsnSP<8>(cu, info, trampoline, state, target_method, 0); |
| 868 | } else { |
| 869 | ThreadOffset<4> trampoline = QUICK_ENTRYPOINT_OFFSET(4, pInvokeVirtualTrampolineWithAccessCheck); |
| 870 | return NextInvokeInsnSP<4>(cu, info, trampoline, state, target_method, 0); |
| 871 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 872 | } |
| 873 | |
| 874 | static int NextInterfaceCallInsnWithAccessCheck(CompilationUnit* cu, |
| 875 | CallInfo* info, int state, |
| 876 | const MethodReference& target_method, |
Vladimir Marko | f096aad | 2014-01-23 15:51:58 +0000 | [diff] [blame] | 877 | uint32_t unused, uintptr_t unused2, |
| 878 | uintptr_t unused3, InvokeType unused4) { |
buzbee | 33ae558 | 2014-06-12 14:56:32 -0700 | [diff] [blame] | 879 | if (cu->target64) { |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 880 | ThreadOffset<8> trampoline = QUICK_ENTRYPOINT_OFFSET(8, pInvokeInterfaceTrampolineWithAccessCheck); |
| 881 | return NextInvokeInsnSP<8>(cu, info, trampoline, state, target_method, 0); |
| 882 | } else { |
| 883 | ThreadOffset<4> trampoline = QUICK_ENTRYPOINT_OFFSET(4, pInvokeInterfaceTrampolineWithAccessCheck); |
| 884 | return NextInvokeInsnSP<4>(cu, info, trampoline, state, target_method, 0); |
| 885 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 886 | } |
| 887 | |
| 888 | int Mir2Lir::LoadArgRegs(CallInfo* info, int call_state, |
| 889 | NextCallInsn next_call_insn, |
| 890 | const MethodReference& target_method, |
| 891 | uint32_t vtable_idx, uintptr_t direct_code, |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 892 | uintptr_t direct_method, InvokeType type, bool skip_this) { |
Dmitry Petrochenko | 26ee07a | 2014-05-13 12:58:19 +0700 | [diff] [blame] | 893 | int last_arg_reg = 3 - 1; |
| 894 | int arg_regs[3] = {TargetReg(kArg1).GetReg(), TargetReg(kArg2).GetReg(), TargetReg(kArg3).GetReg()}; |
| 895 | |
| 896 | int next_reg = 0; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 897 | int next_arg = 0; |
| 898 | if (skip_this) { |
| 899 | next_reg++; |
| 900 | next_arg++; |
| 901 | } |
| 902 | for (; (next_reg <= last_arg_reg) && (next_arg < info->num_arg_words); next_reg++) { |
| 903 | RegLocation rl_arg = info->args[next_arg++]; |
| 904 | rl_arg = UpdateRawLoc(rl_arg); |
Dmitry Petrochenko | 26ee07a | 2014-05-13 12:58:19 +0700 | [diff] [blame] | 905 | if (rl_arg.wide && (next_reg <= last_arg_reg - 1)) { |
| 906 | RegStorage r_tmp(RegStorage::k64BitPair, arg_regs[next_reg], arg_regs[next_reg + 1]); |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 907 | LoadValueDirectWideFixed(rl_arg, r_tmp); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 908 | next_reg++; |
| 909 | next_arg++; |
| 910 | } else { |
| 911 | if (rl_arg.wide) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 912 | rl_arg = NarrowRegLoc(rl_arg); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 913 | rl_arg.is_const = false; |
| 914 | } |
Dmitry Petrochenko | 26ee07a | 2014-05-13 12:58:19 +0700 | [diff] [blame] | 915 | LoadValueDirectFixed(rl_arg, RegStorage::Solo32(arg_regs[next_reg])); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 916 | } |
| 917 | call_state = next_call_insn(cu_, info, call_state, target_method, vtable_idx, |
| 918 | direct_code, direct_method, type); |
| 919 | } |
| 920 | return call_state; |
| 921 | } |
| 922 | |
| 923 | /* |
| 924 | * Load up to 5 arguments, the first three of which will be in |
| 925 | * kArg1 .. kArg3. On entry kArg0 contains the current method pointer, |
| 926 | * and as part of the load sequence, it must be replaced with |
| 927 | * the target method pointer. Note, this may also be called |
| 928 | * for "range" variants if the number of arguments is 5 or fewer. |
| 929 | */ |
| 930 | int Mir2Lir::GenDalvikArgsNoRange(CallInfo* info, |
| 931 | int call_state, LIR** pcrLabel, NextCallInsn next_call_insn, |
| 932 | const MethodReference& target_method, |
| 933 | uint32_t vtable_idx, uintptr_t direct_code, |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 934 | uintptr_t direct_method, InvokeType type, bool skip_this) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 935 | RegLocation rl_arg; |
| 936 | |
| 937 | /* If no arguments, just return */ |
| 938 | if (info->num_arg_words == 0) |
| 939 | return call_state; |
| 940 | |
| 941 | call_state = next_call_insn(cu_, info, call_state, target_method, vtable_idx, |
| 942 | direct_code, direct_method, type); |
| 943 | |
| 944 | DCHECK_LE(info->num_arg_words, 5); |
| 945 | if (info->num_arg_words > 3) { |
| 946 | int32_t next_use = 3; |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 947 | // Detect special case of wide arg spanning arg3/arg4 |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 948 | RegLocation rl_use0 = info->args[0]; |
| 949 | RegLocation rl_use1 = info->args[1]; |
| 950 | RegLocation rl_use2 = info->args[2]; |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 951 | if (((!rl_use0.wide && !rl_use1.wide) || rl_use0.wide) && rl_use2.wide) { |
| 952 | RegStorage reg; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 953 | // Wide spans, we need the 2nd half of uses[2]. |
| 954 | rl_arg = UpdateLocWide(rl_use2); |
| 955 | if (rl_arg.location == kLocPhysReg) { |
buzbee | 85089dd | 2014-05-25 15:10:52 -0700 | [diff] [blame] | 956 | if (rl_arg.reg.IsPair()) { |
| 957 | reg = rl_arg.reg.GetHigh(); |
| 958 | } else { |
| 959 | RegisterInfo* info = GetRegInfo(rl_arg.reg); |
| 960 | info = info->FindMatchingView(RegisterInfo::kHighSingleStorageMask); |
| 961 | if (info == nullptr) { |
| 962 | // NOTE: For hard float convention we won't split arguments across reg/mem. |
| 963 | UNIMPLEMENTED(FATAL) << "Needs hard float api."; |
| 964 | } |
| 965 | reg = info->GetReg(); |
| 966 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 967 | } else { |
| 968 | // kArg2 & rArg3 can safely be used here |
| 969 | reg = TargetReg(kArg3); |
Vladimir Marko | 8dea81c | 2014-06-06 14:50:36 +0100 | [diff] [blame] | 970 | { |
| 971 | ScopedMemRefType mem_ref_type(this, ResourceMask::kDalvikReg); |
| 972 | Load32Disp(TargetReg(kSp), SRegOffset(rl_arg.s_reg_low) + 4, reg); |
| 973 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 974 | call_state = next_call_insn(cu_, info, call_state, target_method, |
| 975 | vtable_idx, direct_code, direct_method, type); |
| 976 | } |
Vladimir Marko | 8dea81c | 2014-06-06 14:50:36 +0100 | [diff] [blame] | 977 | { |
| 978 | ScopedMemRefType mem_ref_type(this, ResourceMask::kDalvikReg); |
| 979 | Store32Disp(TargetReg(kSp), (next_use + 1) * 4, reg); |
| 980 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 981 | call_state = next_call_insn(cu_, info, call_state, target_method, vtable_idx, |
| 982 | direct_code, direct_method, type); |
| 983 | next_use++; |
| 984 | } |
| 985 | // Loop through the rest |
| 986 | while (next_use < info->num_arg_words) { |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 987 | RegStorage arg_reg; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 988 | rl_arg = info->args[next_use]; |
| 989 | rl_arg = UpdateRawLoc(rl_arg); |
| 990 | if (rl_arg.location == kLocPhysReg) { |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 991 | arg_reg = rl_arg.reg; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 992 | } else { |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 993 | arg_reg = rl_arg.wide ? RegStorage::MakeRegPair(TargetReg(kArg2), TargetReg(kArg3)) : |
| 994 | TargetReg(kArg2); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 995 | if (rl_arg.wide) { |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 996 | LoadValueDirectWideFixed(rl_arg, arg_reg); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 997 | } else { |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 998 | LoadValueDirectFixed(rl_arg, arg_reg); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 999 | } |
| 1000 | call_state = next_call_insn(cu_, info, call_state, target_method, |
| 1001 | vtable_idx, direct_code, direct_method, type); |
| 1002 | } |
| 1003 | int outs_offset = (next_use + 1) * 4; |
Vladimir Marko | 8dea81c | 2014-06-06 14:50:36 +0100 | [diff] [blame] | 1004 | { |
| 1005 | ScopedMemRefType mem_ref_type(this, ResourceMask::kDalvikReg); |
| 1006 | if (rl_arg.wide) { |
Andreas Gampe | 3c12c51 | 2014-06-24 18:46:29 +0000 | [diff] [blame] | 1007 | StoreBaseDisp(TargetReg(kSp), outs_offset, arg_reg, k64, kNotVolatile); |
Vladimir Marko | 8dea81c | 2014-06-06 14:50:36 +0100 | [diff] [blame] | 1008 | next_use += 2; |
| 1009 | } else { |
| 1010 | Store32Disp(TargetReg(kSp), outs_offset, arg_reg); |
| 1011 | next_use++; |
| 1012 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1013 | } |
| 1014 | call_state = next_call_insn(cu_, info, call_state, target_method, vtable_idx, |
| 1015 | direct_code, direct_method, type); |
| 1016 | } |
| 1017 | } |
| 1018 | |
| 1019 | call_state = LoadArgRegs(info, call_state, next_call_insn, |
| 1020 | target_method, vtable_idx, direct_code, direct_method, |
| 1021 | type, skip_this); |
| 1022 | |
| 1023 | if (pcrLabel) { |
Andreas Gampe | 5655e84 | 2014-06-17 16:36:07 -0700 | [diff] [blame] | 1024 | if (cu_->compiler_driver->GetCompilerOptions().GetExplicitNullChecks()) { |
Dave Allison | f943914 | 2014-03-27 15:10:22 -0700 | [diff] [blame] | 1025 | *pcrLabel = GenExplicitNullCheck(TargetReg(kArg1), info->opt_flags); |
| 1026 | } else { |
| 1027 | *pcrLabel = nullptr; |
| 1028 | // In lieu of generating a check for kArg1 being null, we need to |
| 1029 | // perform a load when doing implicit checks. |
| 1030 | RegStorage tmp = AllocTemp(); |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 1031 | Load32Disp(TargetReg(kArg1), 0, tmp); |
Dave Allison | f943914 | 2014-03-27 15:10:22 -0700 | [diff] [blame] | 1032 | MarkPossibleNullPointerException(info->opt_flags); |
| 1033 | FreeTemp(tmp); |
| 1034 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1035 | } |
| 1036 | return call_state; |
| 1037 | } |
| 1038 | |
| 1039 | /* |
| 1040 | * May have 0+ arguments (also used for jumbo). Note that |
| 1041 | * source virtual registers may be in physical registers, so may |
| 1042 | * need to be flushed to home location before copying. This |
| 1043 | * applies to arg3 and above (see below). |
| 1044 | * |
| 1045 | * Two general strategies: |
| 1046 | * If < 20 arguments |
| 1047 | * Pass args 3-18 using vldm/vstm block copy |
| 1048 | * Pass arg0, arg1 & arg2 in kArg1-kArg3 |
| 1049 | * If 20+ arguments |
| 1050 | * Pass args arg19+ using memcpy block copy |
| 1051 | * Pass arg0, arg1 & arg2 in kArg1-kArg3 |
| 1052 | * |
| 1053 | */ |
| 1054 | int Mir2Lir::GenDalvikArgsRange(CallInfo* info, int call_state, |
| 1055 | LIR** pcrLabel, NextCallInsn next_call_insn, |
| 1056 | const MethodReference& target_method, |
| 1057 | uint32_t vtable_idx, uintptr_t direct_code, uintptr_t direct_method, |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 1058 | InvokeType type, bool skip_this) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1059 | // If we can treat it as non-range (Jumbo ops will use range form) |
| 1060 | if (info->num_arg_words <= 5) |
| 1061 | return GenDalvikArgsNoRange(info, call_state, pcrLabel, |
| 1062 | next_call_insn, target_method, vtable_idx, |
| 1063 | direct_code, direct_method, type, skip_this); |
| 1064 | /* |
| 1065 | * First load the non-register arguments. Both forms expect all |
| 1066 | * of the source arguments to be in their home frame location, so |
| 1067 | * scan the s_reg names and flush any that have been promoted to |
| 1068 | * frame backing storage. |
| 1069 | */ |
| 1070 | // Scan the rest of the args - if in phys_reg flush to memory |
| 1071 | for (int next_arg = 0; next_arg < info->num_arg_words;) { |
| 1072 | RegLocation loc = info->args[next_arg]; |
| 1073 | if (loc.wide) { |
| 1074 | loc = UpdateLocWide(loc); |
| 1075 | if ((next_arg >= 2) && (loc.location == kLocPhysReg)) { |
Vladimir Marko | 8dea81c | 2014-06-06 14:50:36 +0100 | [diff] [blame] | 1076 | ScopedMemRefType mem_ref_type(this, ResourceMask::kDalvikReg); |
Andreas Gampe | 3c12c51 | 2014-06-24 18:46:29 +0000 | [diff] [blame] | 1077 | StoreBaseDisp(TargetReg(kSp), SRegOffset(loc.s_reg_low), loc.reg, k64, kNotVolatile); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1078 | } |
| 1079 | next_arg += 2; |
| 1080 | } else { |
| 1081 | loc = UpdateLoc(loc); |
| 1082 | if ((next_arg >= 3) && (loc.location == kLocPhysReg)) { |
Vladimir Marko | 8dea81c | 2014-06-06 14:50:36 +0100 | [diff] [blame] | 1083 | ScopedMemRefType mem_ref_type(this, ResourceMask::kDalvikReg); |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 1084 | Store32Disp(TargetReg(kSp), SRegOffset(loc.s_reg_low), loc.reg); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1085 | } |
| 1086 | next_arg++; |
| 1087 | } |
| 1088 | } |
| 1089 | |
Razvan A Lupusoru | 2c498d1 | 2014-01-29 16:02:57 -0800 | [diff] [blame] | 1090 | // Logic below assumes that Method pointer is at offset zero from SP. |
| 1091 | DCHECK_EQ(VRegOffset(static_cast<int>(kVRegMethodPtrBaseReg)), 0); |
| 1092 | |
| 1093 | // The first 3 arguments are passed via registers. |
| 1094 | // TODO: For 64-bit, instead of hardcoding 4 for Method* size, we should either |
| 1095 | // get size of uintptr_t or size of object reference according to model being used. |
| 1096 | int outs_offset = 4 /* Method* */ + (3 * sizeof(uint32_t)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1097 | int start_offset = SRegOffset(info->args[3].s_reg_low); |
Razvan A Lupusoru | 2c498d1 | 2014-01-29 16:02:57 -0800 | [diff] [blame] | 1098 | int regs_left_to_pass_via_stack = info->num_arg_words - 3; |
| 1099 | DCHECK_GT(regs_left_to_pass_via_stack, 0); |
| 1100 | |
| 1101 | if (cu_->instruction_set == kThumb2 && regs_left_to_pass_via_stack <= 16) { |
| 1102 | // Use vldm/vstm pair using kArg3 as a temp |
| 1103 | call_state = next_call_insn(cu_, info, call_state, target_method, vtable_idx, |
| 1104 | direct_code, direct_method, type); |
| 1105 | OpRegRegImm(kOpAdd, TargetReg(kArg3), TargetReg(kSp), start_offset); |
Vladimir Marko | 8dea81c | 2014-06-06 14:50:36 +0100 | [diff] [blame] | 1106 | LIR* ld = nullptr; |
| 1107 | { |
| 1108 | ScopedMemRefType mem_ref_type(this, ResourceMask::kDalvikReg); |
| 1109 | ld = OpVldm(TargetReg(kArg3), regs_left_to_pass_via_stack); |
| 1110 | } |
Razvan A Lupusoru | 2c498d1 | 2014-01-29 16:02:57 -0800 | [diff] [blame] | 1111 | // TUNING: loosen barrier |
Vladimir Marko | 8dea81c | 2014-06-06 14:50:36 +0100 | [diff] [blame] | 1112 | ld->u.m.def_mask = &kEncodeAll; |
Razvan A Lupusoru | 2c498d1 | 2014-01-29 16:02:57 -0800 | [diff] [blame] | 1113 | call_state = next_call_insn(cu_, info, call_state, target_method, vtable_idx, |
| 1114 | direct_code, direct_method, type); |
| 1115 | OpRegRegImm(kOpAdd, TargetReg(kArg3), TargetReg(kSp), 4 /* Method* */ + (3 * 4)); |
| 1116 | call_state = next_call_insn(cu_, info, call_state, target_method, vtable_idx, |
| 1117 | direct_code, direct_method, type); |
Vladimir Marko | 8dea81c | 2014-06-06 14:50:36 +0100 | [diff] [blame] | 1118 | LIR* st = nullptr; |
| 1119 | { |
| 1120 | ScopedMemRefType mem_ref_type(this, ResourceMask::kDalvikReg); |
| 1121 | st = OpVstm(TargetReg(kArg3), regs_left_to_pass_via_stack); |
| 1122 | } |
| 1123 | st->u.m.def_mask = &kEncodeAll; |
Razvan A Lupusoru | 2c498d1 | 2014-01-29 16:02:57 -0800 | [diff] [blame] | 1124 | call_state = next_call_insn(cu_, info, call_state, target_method, vtable_idx, |
| 1125 | direct_code, direct_method, type); |
Dmitry Petrochenko | 6a58cb1 | 2014-04-02 17:27:59 +0700 | [diff] [blame] | 1126 | } else if (cu_->instruction_set == kX86 || cu_->instruction_set == kX86_64) { |
Razvan A Lupusoru | 2c498d1 | 2014-01-29 16:02:57 -0800 | [diff] [blame] | 1127 | int current_src_offset = start_offset; |
| 1128 | int current_dest_offset = outs_offset; |
| 1129 | |
Vladimir Marko | 8dea81c | 2014-06-06 14:50:36 +0100 | [diff] [blame] | 1130 | // Only davik regs are accessed in this loop; no next_call_insn() calls. |
| 1131 | ScopedMemRefType mem_ref_type(this, ResourceMask::kDalvikReg); |
Razvan A Lupusoru | 2c498d1 | 2014-01-29 16:02:57 -0800 | [diff] [blame] | 1132 | while (regs_left_to_pass_via_stack > 0) { |
| 1133 | // This is based on the knowledge that the stack itself is 16-byte aligned. |
| 1134 | bool src_is_16b_aligned = (current_src_offset & 0xF) == 0; |
| 1135 | bool dest_is_16b_aligned = (current_dest_offset & 0xF) == 0; |
| 1136 | size_t bytes_to_move; |
| 1137 | |
| 1138 | /* |
| 1139 | * The amount to move defaults to 32-bit. If there are 4 registers left to move, then do a |
| 1140 | * a 128-bit move because we won't get the chance to try to aligned. If there are more than |
| 1141 | * 4 registers left to move, consider doing a 128-bit only if either src or dest are aligned. |
| 1142 | * We do this because we could potentially do a smaller move to align. |
| 1143 | */ |
| 1144 | if (regs_left_to_pass_via_stack == 4 || |
| 1145 | (regs_left_to_pass_via_stack > 4 && (src_is_16b_aligned || dest_is_16b_aligned))) { |
| 1146 | // Moving 128-bits via xmm register. |
| 1147 | bytes_to_move = sizeof(uint32_t) * 4; |
| 1148 | |
| 1149 | // Allocate a free xmm temp. Since we are working through the calling sequence, |
Mark Mendell | e87f9b5 | 2014-04-30 14:13:18 -0400 | [diff] [blame] | 1150 | // we expect to have an xmm temporary available. AllocTempDouble will abort if |
| 1151 | // there are no free registers. |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1152 | RegStorage temp = AllocTempDouble(); |
Razvan A Lupusoru | 2c498d1 | 2014-01-29 16:02:57 -0800 | [diff] [blame] | 1153 | |
| 1154 | LIR* ld1 = nullptr; |
| 1155 | LIR* ld2 = nullptr; |
| 1156 | LIR* st1 = nullptr; |
| 1157 | LIR* st2 = nullptr; |
| 1158 | |
| 1159 | /* |
| 1160 | * The logic is similar for both loads and stores. If we have 16-byte alignment, |
| 1161 | * do an aligned move. If we have 8-byte alignment, then do the move in two |
| 1162 | * parts. This approach prevents possible cache line splits. Finally, fall back |
| 1163 | * to doing an unaligned move. In most cases we likely won't split the cache |
| 1164 | * line but we cannot prove it and thus take a conservative approach. |
| 1165 | */ |
| 1166 | bool src_is_8b_aligned = (current_src_offset & 0x7) == 0; |
| 1167 | bool dest_is_8b_aligned = (current_dest_offset & 0x7) == 0; |
| 1168 | |
| 1169 | if (src_is_16b_aligned) { |
| 1170 | ld1 = OpMovRegMem(temp, TargetReg(kSp), current_src_offset, kMovA128FP); |
| 1171 | } else if (src_is_8b_aligned) { |
| 1172 | ld1 = OpMovRegMem(temp, TargetReg(kSp), current_src_offset, kMovLo128FP); |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1173 | ld2 = OpMovRegMem(temp, TargetReg(kSp), current_src_offset + (bytes_to_move >> 1), |
| 1174 | kMovHi128FP); |
Razvan A Lupusoru | 2c498d1 | 2014-01-29 16:02:57 -0800 | [diff] [blame] | 1175 | } else { |
| 1176 | ld1 = OpMovRegMem(temp, TargetReg(kSp), current_src_offset, kMovU128FP); |
| 1177 | } |
| 1178 | |
| 1179 | if (dest_is_16b_aligned) { |
| 1180 | st1 = OpMovMemReg(TargetReg(kSp), current_dest_offset, temp, kMovA128FP); |
| 1181 | } else if (dest_is_8b_aligned) { |
| 1182 | st1 = OpMovMemReg(TargetReg(kSp), current_dest_offset, temp, kMovLo128FP); |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1183 | st2 = OpMovMemReg(TargetReg(kSp), current_dest_offset + (bytes_to_move >> 1), |
| 1184 | temp, kMovHi128FP); |
Razvan A Lupusoru | 2c498d1 | 2014-01-29 16:02:57 -0800 | [diff] [blame] | 1185 | } else { |
| 1186 | st1 = OpMovMemReg(TargetReg(kSp), current_dest_offset, temp, kMovU128FP); |
| 1187 | } |
| 1188 | |
| 1189 | // TODO If we could keep track of aliasing information for memory accesses that are wider |
| 1190 | // than 64-bit, we wouldn't need to set up a barrier. |
| 1191 | if (ld1 != nullptr) { |
| 1192 | if (ld2 != nullptr) { |
| 1193 | // For 64-bit load we can actually set up the aliasing information. |
| 1194 | AnnotateDalvikRegAccess(ld1, current_src_offset >> 2, true, true); |
| 1195 | AnnotateDalvikRegAccess(ld2, (current_src_offset + (bytes_to_move >> 1)) >> 2, true, true); |
| 1196 | } else { |
| 1197 | // Set barrier for 128-bit load. |
Vladimir Marko | 8dea81c | 2014-06-06 14:50:36 +0100 | [diff] [blame] | 1198 | ld1->u.m.def_mask = &kEncodeAll; |
Razvan A Lupusoru | 2c498d1 | 2014-01-29 16:02:57 -0800 | [diff] [blame] | 1199 | } |
| 1200 | } |
| 1201 | if (st1 != nullptr) { |
| 1202 | if (st2 != nullptr) { |
| 1203 | // For 64-bit store we can actually set up the aliasing information. |
| 1204 | AnnotateDalvikRegAccess(st1, current_dest_offset >> 2, false, true); |
| 1205 | AnnotateDalvikRegAccess(st2, (current_dest_offset + (bytes_to_move >> 1)) >> 2, false, true); |
| 1206 | } else { |
| 1207 | // Set barrier for 128-bit store. |
Vladimir Marko | 8dea81c | 2014-06-06 14:50:36 +0100 | [diff] [blame] | 1208 | st1->u.m.def_mask = &kEncodeAll; |
Razvan A Lupusoru | 2c498d1 | 2014-01-29 16:02:57 -0800 | [diff] [blame] | 1209 | } |
| 1210 | } |
| 1211 | |
| 1212 | // Free the temporary used for the data movement. |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 1213 | FreeTemp(temp); |
Razvan A Lupusoru | 2c498d1 | 2014-01-29 16:02:57 -0800 | [diff] [blame] | 1214 | } else { |
| 1215 | // Moving 32-bits via general purpose register. |
| 1216 | bytes_to_move = sizeof(uint32_t); |
| 1217 | |
| 1218 | // Instead of allocating a new temp, simply reuse one of the registers being used |
| 1219 | // for argument passing. |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1220 | RegStorage temp = TargetReg(kArg3); |
Razvan A Lupusoru | 2c498d1 | 2014-01-29 16:02:57 -0800 | [diff] [blame] | 1221 | |
| 1222 | // Now load the argument VR and store to the outs. |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 1223 | Load32Disp(TargetReg(kSp), current_src_offset, temp); |
| 1224 | Store32Disp(TargetReg(kSp), current_dest_offset, temp); |
Razvan A Lupusoru | 2c498d1 | 2014-01-29 16:02:57 -0800 | [diff] [blame] | 1225 | } |
| 1226 | |
| 1227 | current_src_offset += bytes_to_move; |
| 1228 | current_dest_offset += bytes_to_move; |
| 1229 | regs_left_to_pass_via_stack -= (bytes_to_move >> 2); |
| 1230 | } |
| 1231 | } else { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1232 | // Generate memcpy |
| 1233 | OpRegRegImm(kOpAdd, TargetReg(kArg0), TargetReg(kSp), outs_offset); |
| 1234 | OpRegRegImm(kOpAdd, TargetReg(kArg1), TargetReg(kSp), start_offset); |
buzbee | 33ae558 | 2014-06-12 14:56:32 -0700 | [diff] [blame] | 1235 | if (cu_->target64) { |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 1236 | CallRuntimeHelperRegRegImm(QUICK_ENTRYPOINT_OFFSET(8, pMemcpy), TargetReg(kArg0), |
| 1237 | TargetReg(kArg1), (info->num_arg_words - 3) * 4, false); |
| 1238 | } else { |
| 1239 | CallRuntimeHelperRegRegImm(QUICK_ENTRYPOINT_OFFSET(4, pMemcpy), TargetReg(kArg0), |
| 1240 | TargetReg(kArg1), (info->num_arg_words - 3) * 4, false); |
| 1241 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1242 | } |
| 1243 | |
| 1244 | call_state = LoadArgRegs(info, call_state, next_call_insn, |
| 1245 | target_method, vtable_idx, direct_code, direct_method, |
| 1246 | type, skip_this); |
| 1247 | |
| 1248 | call_state = next_call_insn(cu_, info, call_state, target_method, vtable_idx, |
| 1249 | direct_code, direct_method, type); |
| 1250 | if (pcrLabel) { |
Andreas Gampe | 5655e84 | 2014-06-17 16:36:07 -0700 | [diff] [blame] | 1251 | if (cu_->compiler_driver->GetCompilerOptions().GetExplicitNullChecks()) { |
Dave Allison | f943914 | 2014-03-27 15:10:22 -0700 | [diff] [blame] | 1252 | *pcrLabel = GenExplicitNullCheck(TargetReg(kArg1), info->opt_flags); |
| 1253 | } else { |
| 1254 | *pcrLabel = nullptr; |
| 1255 | // In lieu of generating a check for kArg1 being null, we need to |
| 1256 | // perform a load when doing implicit checks. |
| 1257 | RegStorage tmp = AllocTemp(); |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 1258 | Load32Disp(TargetReg(kArg1), 0, tmp); |
Dave Allison | f943914 | 2014-03-27 15:10:22 -0700 | [diff] [blame] | 1259 | MarkPossibleNullPointerException(info->opt_flags); |
| 1260 | FreeTemp(tmp); |
| 1261 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1262 | } |
| 1263 | return call_state; |
| 1264 | } |
| 1265 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 1266 | RegLocation Mir2Lir::InlineTarget(CallInfo* info) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1267 | RegLocation res; |
| 1268 | if (info->result.location == kLocInvalid) { |
buzbee | a0cd2d7 | 2014-06-01 09:33:49 -0700 | [diff] [blame] | 1269 | res = GetReturn(LocToRegClass(info->result)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1270 | } else { |
| 1271 | res = info->result; |
| 1272 | } |
| 1273 | return res; |
| 1274 | } |
| 1275 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 1276 | RegLocation Mir2Lir::InlineTargetWide(CallInfo* info) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1277 | RegLocation res; |
| 1278 | if (info->result.location == kLocInvalid) { |
buzbee | a0cd2d7 | 2014-06-01 09:33:49 -0700 | [diff] [blame] | 1279 | res = GetReturnWide(kCoreReg); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1280 | } else { |
| 1281 | res = info->result; |
| 1282 | } |
| 1283 | return res; |
| 1284 | } |
| 1285 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 1286 | bool Mir2Lir::GenInlinedCharAt(CallInfo* info) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1287 | if (cu_->instruction_set == kMips) { |
| 1288 | // TODO - add Mips implementation |
| 1289 | return false; |
| 1290 | } |
| 1291 | // Location of reference to data array |
| 1292 | int value_offset = mirror::String::ValueOffset().Int32Value(); |
| 1293 | // Location of count |
| 1294 | int count_offset = mirror::String::CountOffset().Int32Value(); |
| 1295 | // Starting offset within data array |
| 1296 | int offset_offset = mirror::String::OffsetOffset().Int32Value(); |
| 1297 | // Start of char data with array_ |
| 1298 | int data_offset = mirror::Array::DataOffset(sizeof(uint16_t)).Int32Value(); |
| 1299 | |
| 1300 | RegLocation rl_obj = info->args[0]; |
| 1301 | RegLocation rl_idx = info->args[1]; |
buzbee | a0cd2d7 | 2014-06-01 09:33:49 -0700 | [diff] [blame] | 1302 | rl_obj = LoadValue(rl_obj, kRefReg); |
Mark Mendell | 2b724cb | 2014-02-06 05:24:20 -0800 | [diff] [blame] | 1303 | // X86 wants to avoid putting a constant index into a register. |
Dmitry Petrochenko | 6a58cb1 | 2014-04-02 17:27:59 +0700 | [diff] [blame] | 1304 | if (!((cu_->instruction_set == kX86 || cu_->instruction_set == kX86_64)&& rl_idx.is_const)) { |
Mark Mendell | 2b724cb | 2014-02-06 05:24:20 -0800 | [diff] [blame] | 1305 | rl_idx = LoadValue(rl_idx, kCoreReg); |
| 1306 | } |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1307 | RegStorage reg_max; |
| 1308 | GenNullCheck(rl_obj.reg, info->opt_flags); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1309 | bool range_check = (!(info->opt_flags & MIR_IGNORE_RANGE_CHECK)); |
Vladimir Marko | 3bc8615 | 2014-03-13 14:11:28 +0000 | [diff] [blame] | 1310 | LIR* range_check_branch = nullptr; |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1311 | RegStorage reg_off; |
| 1312 | RegStorage reg_ptr; |
Dmitry Petrochenko | 6a58cb1 | 2014-04-02 17:27:59 +0700 | [diff] [blame] | 1313 | if (cu_->instruction_set != kX86 && cu_->instruction_set != kX86_64) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1314 | reg_off = AllocTemp(); |
buzbee | a0cd2d7 | 2014-06-01 09:33:49 -0700 | [diff] [blame] | 1315 | reg_ptr = AllocTempRef(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1316 | if (range_check) { |
| 1317 | reg_max = AllocTemp(); |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 1318 | Load32Disp(rl_obj.reg, count_offset, reg_max); |
Dave Allison | b373e09 | 2014-02-20 16:06:36 -0800 | [diff] [blame] | 1319 | MarkPossibleNullPointerException(info->opt_flags); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1320 | } |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 1321 | Load32Disp(rl_obj.reg, offset_offset, reg_off); |
Dave Allison | b373e09 | 2014-02-20 16:06:36 -0800 | [diff] [blame] | 1322 | MarkPossibleNullPointerException(info->opt_flags); |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 1323 | Load32Disp(rl_obj.reg, value_offset, reg_ptr); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1324 | if (range_check) { |
Mingyao Yang | 3a74d15 | 2014-04-21 15:39:44 -0700 | [diff] [blame] | 1325 | // Set up a slow path to allow retry in case of bounds violation */ |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1326 | OpRegReg(kOpCmp, rl_idx.reg, reg_max); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1327 | FreeTemp(reg_max); |
Vladimir Marko | 3bc8615 | 2014-03-13 14:11:28 +0000 | [diff] [blame] | 1328 | range_check_branch = OpCondBranch(kCondUge, nullptr); |
Brian Carlstrom | 6f485c6 | 2013-07-18 15:35:35 -0700 | [diff] [blame] | 1329 | } |
Mark Mendell | 2b724cb | 2014-02-06 05:24:20 -0800 | [diff] [blame] | 1330 | OpRegImm(kOpAdd, reg_ptr, data_offset); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1331 | } else { |
| 1332 | if (range_check) { |
Mark Mendell | 2b724cb | 2014-02-06 05:24:20 -0800 | [diff] [blame] | 1333 | // On x86, we can compare to memory directly |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1334 | // Set up a launch pad to allow retry in case of bounds violation */ |
Mark Mendell | 2b724cb | 2014-02-06 05:24:20 -0800 | [diff] [blame] | 1335 | if (rl_idx.is_const) { |
Vladimir Marko | 3bc8615 | 2014-03-13 14:11:28 +0000 | [diff] [blame] | 1336 | range_check_branch = OpCmpMemImmBranch( |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1337 | kCondUlt, RegStorage::InvalidReg(), rl_obj.reg, count_offset, |
Vladimir Marko | 3bc8615 | 2014-03-13 14:11:28 +0000 | [diff] [blame] | 1338 | mir_graph_->ConstantValue(rl_idx.orig_sreg), nullptr); |
Mark Mendell | 2b724cb | 2014-02-06 05:24:20 -0800 | [diff] [blame] | 1339 | } else { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1340 | OpRegMem(kOpCmp, rl_idx.reg, rl_obj.reg, count_offset); |
Vladimir Marko | 3bc8615 | 2014-03-13 14:11:28 +0000 | [diff] [blame] | 1341 | range_check_branch = OpCondBranch(kCondUge, nullptr); |
Mark Mendell | 2b724cb | 2014-02-06 05:24:20 -0800 | [diff] [blame] | 1342 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1343 | } |
| 1344 | reg_off = AllocTemp(); |
buzbee | a0cd2d7 | 2014-06-01 09:33:49 -0700 | [diff] [blame] | 1345 | reg_ptr = AllocTempRef(); |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 1346 | Load32Disp(rl_obj.reg, offset_offset, reg_off); |
Andreas Gampe | 3c12c51 | 2014-06-24 18:46:29 +0000 | [diff] [blame] | 1347 | LoadRefDisp(rl_obj.reg, value_offset, reg_ptr, kNotVolatile); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1348 | } |
Mark Mendell | 2b724cb | 2014-02-06 05:24:20 -0800 | [diff] [blame] | 1349 | if (rl_idx.is_const) { |
| 1350 | OpRegImm(kOpAdd, reg_off, mir_graph_->ConstantValue(rl_idx.orig_sreg)); |
| 1351 | } else { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1352 | OpRegReg(kOpAdd, reg_off, rl_idx.reg); |
Mark Mendell | 2b724cb | 2014-02-06 05:24:20 -0800 | [diff] [blame] | 1353 | } |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1354 | FreeTemp(rl_obj.reg); |
Bill Buzbee | 00e1ec6 | 2014-02-27 23:44:13 +0000 | [diff] [blame] | 1355 | if (rl_idx.location == kLocPhysReg) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1356 | FreeTemp(rl_idx.reg); |
Mark Mendell | 2b724cb | 2014-02-06 05:24:20 -0800 | [diff] [blame] | 1357 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1358 | RegLocation rl_dest = InlineTarget(info); |
| 1359 | RegLocation rl_result = EvalLoc(rl_dest, kCoreReg, true); |
Dmitry Petrochenko | 6a58cb1 | 2014-04-02 17:27:59 +0700 | [diff] [blame] | 1360 | if (cu_->instruction_set != kX86 && cu_->instruction_set != kX86_64) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1361 | LoadBaseIndexed(reg_ptr, reg_off, rl_result.reg, 1, kUnsignedHalf); |
Mark Mendell | 2b724cb | 2014-02-06 05:24:20 -0800 | [diff] [blame] | 1362 | } else { |
Vladimir Marko | 3bf7c60 | 2014-05-07 14:55:43 +0100 | [diff] [blame] | 1363 | LoadBaseIndexedDisp(reg_ptr, reg_off, 1, data_offset, rl_result.reg, kUnsignedHalf); |
Mark Mendell | 2b724cb | 2014-02-06 05:24:20 -0800 | [diff] [blame] | 1364 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1365 | FreeTemp(reg_off); |
| 1366 | FreeTemp(reg_ptr); |
| 1367 | StoreValue(rl_dest, rl_result); |
| 1368 | if (range_check) { |
Vladimir Marko | 3bc8615 | 2014-03-13 14:11:28 +0000 | [diff] [blame] | 1369 | DCHECK(range_check_branch != nullptr); |
| 1370 | info->opt_flags |= MIR_IGNORE_NULL_CHECK; // Record that we've already null checked. |
Mingyao Yang | 3a74d15 | 2014-04-21 15:39:44 -0700 | [diff] [blame] | 1371 | AddIntrinsicSlowPath(info, range_check_branch); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1372 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1373 | return true; |
| 1374 | } |
| 1375 | |
| 1376 | // Generates an inlined String.is_empty or String.length. |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 1377 | bool Mir2Lir::GenInlinedStringIsEmptyOrLength(CallInfo* info, bool is_empty) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1378 | if (cu_->instruction_set == kMips) { |
| 1379 | // TODO - add Mips implementation |
| 1380 | return false; |
| 1381 | } |
| 1382 | // dst = src.length(); |
| 1383 | RegLocation rl_obj = info->args[0]; |
buzbee | a0cd2d7 | 2014-06-01 09:33:49 -0700 | [diff] [blame] | 1384 | rl_obj = LoadValue(rl_obj, kRefReg); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1385 | RegLocation rl_dest = InlineTarget(info); |
| 1386 | RegLocation rl_result = EvalLoc(rl_dest, kCoreReg, true); |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1387 | GenNullCheck(rl_obj.reg, info->opt_flags); |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 1388 | Load32Disp(rl_obj.reg, mirror::String::CountOffset().Int32Value(), rl_result.reg); |
Dave Allison | b373e09 | 2014-02-20 16:06:36 -0800 | [diff] [blame] | 1389 | MarkPossibleNullPointerException(info->opt_flags); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1390 | if (is_empty) { |
| 1391 | // dst = (dst == 0); |
| 1392 | if (cu_->instruction_set == kThumb2) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1393 | RegStorage t_reg = AllocTemp(); |
| 1394 | OpRegReg(kOpNeg, t_reg, rl_result.reg); |
| 1395 | OpRegRegReg(kOpAdc, rl_result.reg, rl_result.reg, t_reg); |
Serban Constantinescu | 169489b | 2014-06-11 16:43:35 +0100 | [diff] [blame] | 1396 | } else if (cu_->instruction_set == kArm64) { |
| 1397 | OpRegImm(kOpSub, rl_result.reg, 1); |
| 1398 | OpRegRegImm(kOpLsr, rl_result.reg, rl_result.reg, 31); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1399 | } else { |
Dmitry Petrochenko | 6a58cb1 | 2014-04-02 17:27:59 +0700 | [diff] [blame] | 1400 | DCHECK(cu_->instruction_set == kX86 || cu_->instruction_set == kX86_64); |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1401 | OpRegImm(kOpSub, rl_result.reg, 1); |
| 1402 | OpRegImm(kOpLsr, rl_result.reg, 31); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1403 | } |
| 1404 | } |
| 1405 | StoreValue(rl_dest, rl_result); |
| 1406 | return true; |
| 1407 | } |
| 1408 | |
Vladimir Marko | 6bdf1ff | 2013-10-29 17:40:46 +0000 | [diff] [blame] | 1409 | bool Mir2Lir::GenInlinedReverseBytes(CallInfo* info, OpSize size) { |
| 1410 | if (cu_->instruction_set == kMips) { |
| 1411 | // TODO - add Mips implementation |
| 1412 | return false; |
| 1413 | } |
| 1414 | RegLocation rl_src_i = info->args[0]; |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 1415 | RegLocation rl_dest = (size == k64) ? InlineTargetWide(info) : InlineTarget(info); // result reg |
Vladimir Marko | 6bdf1ff | 2013-10-29 17:40:46 +0000 | [diff] [blame] | 1416 | RegLocation rl_result = EvalLoc(rl_dest, kCoreReg, true); |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 1417 | if (size == k64) { |
Vladimir Marko | 6bdf1ff | 2013-10-29 17:40:46 +0000 | [diff] [blame] | 1418 | RegLocation rl_i = LoadValueWide(rl_src_i, kCoreReg); |
Serban Constantinescu | 169489b | 2014-06-11 16:43:35 +0100 | [diff] [blame] | 1419 | if (cu_->instruction_set == kArm64) { |
| 1420 | OpRegReg(kOpRev, rl_result.reg, rl_i.reg); |
| 1421 | StoreValueWide(rl_dest, rl_result); |
| 1422 | return true; |
| 1423 | } |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1424 | RegStorage r_i_low = rl_i.reg.GetLow(); |
| 1425 | if (rl_i.reg.GetLowReg() == rl_result.reg.GetLowReg()) { |
Bill Buzbee | 00e1ec6 | 2014-02-27 23:44:13 +0000 | [diff] [blame] | 1426 | // First REV shall clobber rl_result.reg.GetReg(), save the value in a temp for the second REV. |
Vladimir Marko | f246af2 | 2013-11-27 12:30:15 +0000 | [diff] [blame] | 1427 | r_i_low = AllocTemp(); |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1428 | OpRegCopy(r_i_low, rl_i.reg); |
Vladimir Marko | f246af2 | 2013-11-27 12:30:15 +0000 | [diff] [blame] | 1429 | } |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1430 | OpRegReg(kOpRev, rl_result.reg.GetLow(), rl_i.reg.GetHigh()); |
| 1431 | OpRegReg(kOpRev, rl_result.reg.GetHigh(), r_i_low); |
| 1432 | if (rl_i.reg.GetLowReg() == rl_result.reg.GetLowReg()) { |
Vladimir Marko | f246af2 | 2013-11-27 12:30:15 +0000 | [diff] [blame] | 1433 | FreeTemp(r_i_low); |
| 1434 | } |
Vladimir Marko | 6bdf1ff | 2013-10-29 17:40:46 +0000 | [diff] [blame] | 1435 | StoreValueWide(rl_dest, rl_result); |
| 1436 | } else { |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 1437 | DCHECK(size == k32 || size == kSignedHalf); |
| 1438 | OpKind op = (size == k32) ? kOpRev : kOpRevsh; |
Vladimir Marko | 6bdf1ff | 2013-10-29 17:40:46 +0000 | [diff] [blame] | 1439 | RegLocation rl_i = LoadValue(rl_src_i, kCoreReg); |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1440 | OpRegReg(op, rl_result.reg, rl_i.reg); |
Vladimir Marko | 6bdf1ff | 2013-10-29 17:40:46 +0000 | [diff] [blame] | 1441 | StoreValue(rl_dest, rl_result); |
| 1442 | } |
| 1443 | return true; |
| 1444 | } |
| 1445 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 1446 | bool Mir2Lir::GenInlinedAbsInt(CallInfo* info) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1447 | if (cu_->instruction_set == kMips) { |
| 1448 | // TODO - add Mips implementation |
| 1449 | return false; |
| 1450 | } |
| 1451 | RegLocation rl_src = info->args[0]; |
| 1452 | rl_src = LoadValue(rl_src, kCoreReg); |
| 1453 | RegLocation rl_dest = InlineTarget(info); |
| 1454 | RegLocation rl_result = EvalLoc(rl_dest, kCoreReg, true); |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1455 | RegStorage sign_reg = AllocTemp(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1456 | // abs(x) = y<=x>>31, (x+y)^y. |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1457 | OpRegRegImm(kOpAsr, sign_reg, rl_src.reg, 31); |
| 1458 | OpRegRegReg(kOpAdd, rl_result.reg, rl_src.reg, sign_reg); |
| 1459 | OpRegReg(kOpXor, rl_result.reg, sign_reg); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1460 | StoreValue(rl_dest, rl_result); |
| 1461 | return true; |
| 1462 | } |
| 1463 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 1464 | bool Mir2Lir::GenInlinedAbsLong(CallInfo* info) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1465 | if (cu_->instruction_set == kMips) { |
| 1466 | // TODO - add Mips implementation |
| 1467 | return false; |
| 1468 | } |
Vladimir Marko | b982331 | 2014-03-20 17:38:43 +0000 | [diff] [blame] | 1469 | RegLocation rl_src = info->args[0]; |
| 1470 | rl_src = LoadValueWide(rl_src, kCoreReg); |
| 1471 | RegLocation rl_dest = InlineTargetWide(info); |
| 1472 | RegLocation rl_result = EvalLoc(rl_dest, kCoreReg, true); |
| 1473 | |
| 1474 | // If on x86 or if we would clobber a register needed later, just copy the source first. |
Dmitry Petrochenko | 6a58cb1 | 2014-04-02 17:27:59 +0700 | [diff] [blame] | 1475 | if (cu_->instruction_set == kX86 || cu_->instruction_set == kX86_64 || rl_result.reg.GetLowReg() == rl_src.reg.GetHighReg()) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1476 | OpRegCopyWide(rl_result.reg, rl_src.reg); |
| 1477 | if (rl_result.reg.GetLowReg() != rl_src.reg.GetLowReg() && |
| 1478 | rl_result.reg.GetLowReg() != rl_src.reg.GetHighReg() && |
| 1479 | rl_result.reg.GetHighReg() != rl_src.reg.GetLowReg() && |
Vladimir Marko | b982331 | 2014-03-20 17:38:43 +0000 | [diff] [blame] | 1480 | rl_result.reg.GetHighReg() != rl_src.reg.GetHighReg()) { |
| 1481 | // Reuse source registers to avoid running out of temps. |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1482 | FreeTemp(rl_src.reg); |
Vladimir Marko | b982331 | 2014-03-20 17:38:43 +0000 | [diff] [blame] | 1483 | } |
| 1484 | rl_src = rl_result; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1485 | } |
Vladimir Marko | b982331 | 2014-03-20 17:38:43 +0000 | [diff] [blame] | 1486 | |
| 1487 | // abs(x) = y<=x>>31, (x+y)^y. |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1488 | RegStorage sign_reg = AllocTemp(); |
| 1489 | OpRegRegImm(kOpAsr, sign_reg, rl_src.reg.GetHigh(), 31); |
| 1490 | OpRegRegReg(kOpAdd, rl_result.reg.GetLow(), rl_src.reg.GetLow(), sign_reg); |
| 1491 | OpRegRegReg(kOpAdc, rl_result.reg.GetHigh(), rl_src.reg.GetHigh(), sign_reg); |
| 1492 | OpRegReg(kOpXor, rl_result.reg.GetLow(), sign_reg); |
| 1493 | OpRegReg(kOpXor, rl_result.reg.GetHigh(), sign_reg); |
buzbee | 082833c | 2014-05-17 23:16:26 -0700 | [diff] [blame] | 1494 | FreeTemp(sign_reg); |
Vladimir Marko | b982331 | 2014-03-20 17:38:43 +0000 | [diff] [blame] | 1495 | StoreValueWide(rl_dest, rl_result); |
| 1496 | return true; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1497 | } |
| 1498 | |
Yixin Shou | dbb17e3 | 2014-02-07 05:09:30 -0800 | [diff] [blame] | 1499 | bool Mir2Lir::GenInlinedAbsFloat(CallInfo* info) { |
| 1500 | if (cu_->instruction_set == kMips) { |
| 1501 | // TODO - add Mips implementation |
| 1502 | return false; |
| 1503 | } |
| 1504 | RegLocation rl_src = info->args[0]; |
| 1505 | rl_src = LoadValue(rl_src, kCoreReg); |
| 1506 | RegLocation rl_dest = InlineTarget(info); |
| 1507 | RegLocation rl_result = EvalLoc(rl_dest, kCoreReg, true); |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1508 | OpRegRegImm(kOpAnd, rl_result.reg, rl_src.reg, 0x7fffffff); |
Yixin Shou | dbb17e3 | 2014-02-07 05:09:30 -0800 | [diff] [blame] | 1509 | StoreValue(rl_dest, rl_result); |
| 1510 | return true; |
| 1511 | } |
| 1512 | |
| 1513 | bool Mir2Lir::GenInlinedAbsDouble(CallInfo* info) { |
| 1514 | if (cu_->instruction_set == kMips) { |
| 1515 | // TODO - add Mips implementation |
| 1516 | return false; |
| 1517 | } |
| 1518 | RegLocation rl_src = info->args[0]; |
| 1519 | rl_src = LoadValueWide(rl_src, kCoreReg); |
| 1520 | RegLocation rl_dest = InlineTargetWide(info); |
| 1521 | RegLocation rl_result = EvalLoc(rl_dest, kCoreReg, true); |
Serban Constantinescu | 169489b | 2014-06-11 16:43:35 +0100 | [diff] [blame] | 1522 | |
| 1523 | if (cu_->instruction_set == kArm64) { |
| 1524 | // TODO - Can ecode ? UBXF otherwise |
| 1525 | // OpRegRegImm(kOpAnd, rl_result.reg, 0x7fffffffffffffff); |
| 1526 | return false; |
| 1527 | } else { |
| 1528 | OpRegCopyWide(rl_result.reg, rl_src.reg); |
| 1529 | OpRegImm(kOpAnd, rl_result.reg.GetHigh(), 0x7fffffff); |
| 1530 | } |
Yixin Shou | dbb17e3 | 2014-02-07 05:09:30 -0800 | [diff] [blame] | 1531 | StoreValueWide(rl_dest, rl_result); |
| 1532 | return true; |
| 1533 | } |
| 1534 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 1535 | bool Mir2Lir::GenInlinedFloatCvt(CallInfo* info) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1536 | if (cu_->instruction_set == kMips) { |
| 1537 | // TODO - add Mips implementation |
| 1538 | return false; |
| 1539 | } |
| 1540 | RegLocation rl_src = info->args[0]; |
| 1541 | RegLocation rl_dest = InlineTarget(info); |
| 1542 | StoreValue(rl_dest, rl_src); |
| 1543 | return true; |
| 1544 | } |
| 1545 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 1546 | bool Mir2Lir::GenInlinedDoubleCvt(CallInfo* info) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1547 | if (cu_->instruction_set == kMips) { |
| 1548 | // TODO - add Mips implementation |
| 1549 | return false; |
| 1550 | } |
| 1551 | RegLocation rl_src = info->args[0]; |
| 1552 | RegLocation rl_dest = InlineTargetWide(info); |
| 1553 | StoreValueWide(rl_dest, rl_src); |
| 1554 | return true; |
| 1555 | } |
| 1556 | |
| 1557 | /* |
Vladimir Marko | 3bc8615 | 2014-03-13 14:11:28 +0000 | [diff] [blame] | 1558 | * Fast String.indexOf(I) & (II). Tests for simple case of char <= 0xFFFF, |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1559 | * otherwise bails to standard library code. |
| 1560 | */ |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 1561 | bool Mir2Lir::GenInlinedIndexOf(CallInfo* info, bool zero_based) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1562 | if (cu_->instruction_set == kMips) { |
| 1563 | // TODO - add Mips implementation |
| 1564 | return false; |
| 1565 | } |
Vladimir Marko | 3bc8615 | 2014-03-13 14:11:28 +0000 | [diff] [blame] | 1566 | RegLocation rl_obj = info->args[0]; |
| 1567 | RegLocation rl_char = info->args[1]; |
| 1568 | if (rl_char.is_const && (mir_graph_->ConstantValue(rl_char) & ~0xFFFF) != 0) { |
| 1569 | // Code point beyond 0xFFFF. Punt to the real String.indexOf(). |
| 1570 | return false; |
| 1571 | } |
| 1572 | |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame] | 1573 | ClobberCallerSave(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1574 | LockCallTemps(); // Using fixed registers |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1575 | RegStorage reg_ptr = TargetReg(kArg0); |
| 1576 | RegStorage reg_char = TargetReg(kArg1); |
| 1577 | RegStorage reg_start = TargetReg(kArg2); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1578 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1579 | LoadValueDirectFixed(rl_obj, reg_ptr); |
| 1580 | LoadValueDirectFixed(rl_char, reg_char); |
| 1581 | if (zero_based) { |
| 1582 | LoadConstant(reg_start, 0); |
| 1583 | } else { |
buzbee | a44d4f5 | 2014-03-05 11:26:39 -0800 | [diff] [blame] | 1584 | RegLocation rl_start = info->args[2]; // 3rd arg only present in III flavor of IndexOf. |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1585 | LoadValueDirectFixed(rl_start, reg_start); |
| 1586 | } |
buzbee | 33ae558 | 2014-06-12 14:56:32 -0700 | [diff] [blame] | 1587 | RegStorage r_tgt = cu_->target64 ? |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 1588 | LoadHelper(QUICK_ENTRYPOINT_OFFSET(8, pIndexOf)) : |
| 1589 | LoadHelper(QUICK_ENTRYPOINT_OFFSET(4, pIndexOf)); |
Dave Allison | f943914 | 2014-03-27 15:10:22 -0700 | [diff] [blame] | 1590 | GenExplicitNullCheck(reg_ptr, info->opt_flags); |
Vladimir Marko | 3bc8615 | 2014-03-13 14:11:28 +0000 | [diff] [blame] | 1591 | LIR* high_code_point_branch = |
| 1592 | rl_char.is_const ? nullptr : OpCmpImmBranch(kCondGt, reg_char, 0xFFFF, nullptr); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1593 | // NOTE: not a safepoint |
Mark Mendell | 4028a6c | 2014-02-19 20:06:20 -0800 | [diff] [blame] | 1594 | OpReg(kOpBlx, r_tgt); |
Vladimir Marko | 3bc8615 | 2014-03-13 14:11:28 +0000 | [diff] [blame] | 1595 | if (!rl_char.is_const) { |
| 1596 | // Add the slow path for code points beyond 0xFFFF. |
| 1597 | DCHECK(high_code_point_branch != nullptr); |
| 1598 | LIR* resume_tgt = NewLIR0(kPseudoTargetLabel); |
| 1599 | info->opt_flags |= MIR_IGNORE_NULL_CHECK; // Record that we've null checked. |
Mingyao Yang | 3a74d15 | 2014-04-21 15:39:44 -0700 | [diff] [blame] | 1600 | AddIntrinsicSlowPath(info, high_code_point_branch, resume_tgt); |
Vladimir Marko | 3bc8615 | 2014-03-13 14:11:28 +0000 | [diff] [blame] | 1601 | } else { |
| 1602 | DCHECK_EQ(mir_graph_->ConstantValue(rl_char) & ~0xFFFF, 0); |
| 1603 | DCHECK(high_code_point_branch == nullptr); |
| 1604 | } |
buzbee | a0cd2d7 | 2014-06-01 09:33:49 -0700 | [diff] [blame] | 1605 | RegLocation rl_return = GetReturn(kCoreReg); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1606 | RegLocation rl_dest = InlineTarget(info); |
| 1607 | StoreValue(rl_dest, rl_return); |
| 1608 | return true; |
| 1609 | } |
| 1610 | |
| 1611 | /* Fast string.compareTo(Ljava/lang/string;)I. */ |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 1612 | bool Mir2Lir::GenInlinedStringCompareTo(CallInfo* info) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1613 | if (cu_->instruction_set == kMips) { |
| 1614 | // TODO - add Mips implementation |
| 1615 | return false; |
| 1616 | } |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame] | 1617 | ClobberCallerSave(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1618 | LockCallTemps(); // Using fixed registers |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1619 | RegStorage reg_this = TargetReg(kArg0); |
| 1620 | RegStorage reg_cmp = TargetReg(kArg1); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1621 | |
| 1622 | RegLocation rl_this = info->args[0]; |
| 1623 | RegLocation rl_cmp = info->args[1]; |
| 1624 | LoadValueDirectFixed(rl_this, reg_this); |
| 1625 | LoadValueDirectFixed(rl_cmp, reg_cmp); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 1626 | RegStorage r_tgt; |
| 1627 | if (cu_->instruction_set != kX86 && cu_->instruction_set != kX86_64) { |
buzbee | 33ae558 | 2014-06-12 14:56:32 -0700 | [diff] [blame] | 1628 | if (cu_->target64) { |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 1629 | r_tgt = LoadHelper(QUICK_ENTRYPOINT_OFFSET(8, pStringCompareTo)); |
| 1630 | } else { |
| 1631 | r_tgt = LoadHelper(QUICK_ENTRYPOINT_OFFSET(4, pStringCompareTo)); |
| 1632 | } |
| 1633 | } else { |
| 1634 | r_tgt = RegStorage::InvalidReg(); |
| 1635 | } |
Dave Allison | f943914 | 2014-03-27 15:10:22 -0700 | [diff] [blame] | 1636 | GenExplicitNullCheck(reg_this, info->opt_flags); |
Vladimir Marko | 3bc8615 | 2014-03-13 14:11:28 +0000 | [diff] [blame] | 1637 | info->opt_flags |= MIR_IGNORE_NULL_CHECK; // Record that we've null checked. |
Brian Carlstrom | 7934ac2 | 2013-07-26 10:54:15 -0700 | [diff] [blame] | 1638 | // TUNING: check if rl_cmp.s_reg_low is already null checked |
Vladimir Marko | 3bc8615 | 2014-03-13 14:11:28 +0000 | [diff] [blame] | 1639 | LIR* cmp_null_check_branch = OpCmpImmBranch(kCondEq, reg_cmp, 0, nullptr); |
Mingyao Yang | 3a74d15 | 2014-04-21 15:39:44 -0700 | [diff] [blame] | 1640 | AddIntrinsicSlowPath(info, cmp_null_check_branch); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1641 | // NOTE: not a safepoint |
Dmitry Petrochenko | 6a58cb1 | 2014-04-02 17:27:59 +0700 | [diff] [blame] | 1642 | if (cu_->instruction_set != kX86 && cu_->instruction_set != kX86_64) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1643 | OpReg(kOpBlx, r_tgt); |
| 1644 | } else { |
buzbee | 33ae558 | 2014-06-12 14:56:32 -0700 | [diff] [blame] | 1645 | if (cu_->target64) { |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 1646 | OpThreadMem(kOpBlx, QUICK_ENTRYPOINT_OFFSET(8, pStringCompareTo)); |
| 1647 | } else { |
| 1648 | OpThreadMem(kOpBlx, QUICK_ENTRYPOINT_OFFSET(4, pStringCompareTo)); |
| 1649 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1650 | } |
buzbee | a0cd2d7 | 2014-06-01 09:33:49 -0700 | [diff] [blame] | 1651 | RegLocation rl_return = GetReturn(kCoreReg); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1652 | RegLocation rl_dest = InlineTarget(info); |
| 1653 | StoreValue(rl_dest, rl_return); |
| 1654 | return true; |
| 1655 | } |
| 1656 | |
| 1657 | bool Mir2Lir::GenInlinedCurrentThread(CallInfo* info) { |
| 1658 | RegLocation rl_dest = InlineTarget(info); |
| 1659 | RegLocation rl_result = EvalLoc(rl_dest, kCoreReg, true); |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 1660 | |
| 1661 | switch (cu_->instruction_set) { |
| 1662 | case kArm: |
| 1663 | // Fall-through. |
| 1664 | case kThumb2: |
| 1665 | // Fall-through. |
| 1666 | case kMips: |
| 1667 | Load32Disp(TargetReg(kSelf), Thread::PeerOffset<4>().Int32Value(), rl_result.reg); |
| 1668 | break; |
| 1669 | |
| 1670 | case kArm64: |
| 1671 | Load32Disp(TargetReg(kSelf), Thread::PeerOffset<8>().Int32Value(), rl_result.reg); |
| 1672 | break; |
| 1673 | |
| 1674 | case kX86: |
| 1675 | reinterpret_cast<X86Mir2Lir*>(this)->OpRegThreadMem(kOpMov, rl_result.reg, |
| 1676 | Thread::PeerOffset<4>()); |
| 1677 | break; |
| 1678 | |
| 1679 | case kX86_64: |
| 1680 | reinterpret_cast<X86Mir2Lir*>(this)->OpRegThreadMem(kOpMov, rl_result.reg, |
| 1681 | Thread::PeerOffset<8>()); |
| 1682 | break; |
| 1683 | |
| 1684 | default: |
| 1685 | LOG(FATAL) << "Unexpected isa " << cu_->instruction_set; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1686 | } |
| 1687 | StoreValue(rl_dest, rl_result); |
| 1688 | return true; |
| 1689 | } |
| 1690 | |
| 1691 | bool Mir2Lir::GenInlinedUnsafeGet(CallInfo* info, |
| 1692 | bool is_long, bool is_volatile) { |
| 1693 | if (cu_->instruction_set == kMips) { |
| 1694 | // TODO - add Mips implementation |
| 1695 | return false; |
| 1696 | } |
| 1697 | // Unused - RegLocation rl_src_unsafe = info->args[0]; |
| 1698 | RegLocation rl_src_obj = info->args[1]; // Object |
| 1699 | RegLocation rl_src_offset = info->args[2]; // long low |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1700 | rl_src_offset = NarrowRegLoc(rl_src_offset); // ignore high half in info->args[3] |
Mark Mendell | 55d0eac | 2014-02-06 11:02:52 -0800 | [diff] [blame] | 1701 | RegLocation rl_dest = is_long ? InlineTargetWide(info) : InlineTarget(info); // result reg |
Razvan A Lupusoru | 99ad723 | 2014-02-25 17:41:08 -0800 | [diff] [blame] | 1702 | |
buzbee | a0cd2d7 | 2014-06-01 09:33:49 -0700 | [diff] [blame] | 1703 | RegLocation rl_object = LoadValue(rl_src_obj, kRefReg); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1704 | RegLocation rl_offset = LoadValue(rl_src_offset, kCoreReg); |
| 1705 | RegLocation rl_result = EvalLoc(rl_dest, kCoreReg, true); |
| 1706 | if (is_long) { |
Dmitry Petrochenko | 9bf549d | 2014-05-12 11:14:46 +0700 | [diff] [blame] | 1707 | if (cu_->instruction_set == kX86 || cu_->instruction_set == kX86_64) { |
Vladimir Marko | 3bf7c60 | 2014-05-07 14:55:43 +0100 | [diff] [blame] | 1708 | LoadBaseIndexedDisp(rl_object.reg, rl_offset.reg, 0, 0, rl_result.reg, k64); |
Mathieu Chartier | 7c95cef | 2014-04-02 17:09:17 -0700 | [diff] [blame] | 1709 | } else { |
| 1710 | RegStorage rl_temp_offset = AllocTemp(); |
| 1711 | OpRegRegReg(kOpAdd, rl_temp_offset, rl_object.reg, rl_offset.reg); |
Andreas Gampe | 3c12c51 | 2014-06-24 18:46:29 +0000 | [diff] [blame] | 1712 | LoadBaseDisp(rl_temp_offset, 0, rl_result.reg, k64, kNotVolatile); |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 1713 | FreeTemp(rl_temp_offset); |
Mathieu Chartier | 7c95cef | 2014-04-02 17:09:17 -0700 | [diff] [blame] | 1714 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1715 | } else { |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 1716 | LoadBaseIndexed(rl_object.reg, rl_offset.reg, rl_result.reg, 0, k32); |
Razvan A Lupusoru | 99ad723 | 2014-02-25 17:41:08 -0800 | [diff] [blame] | 1717 | } |
| 1718 | |
| 1719 | if (is_volatile) { |
| 1720 | // Without context sensitive analysis, we must issue the most conservative barriers. |
| 1721 | // In this case, either a load or store may follow so we issue both barriers. |
| 1722 | GenMemBarrier(kLoadLoad); |
| 1723 | GenMemBarrier(kLoadStore); |
| 1724 | } |
| 1725 | |
| 1726 | if (is_long) { |
| 1727 | StoreValueWide(rl_dest, rl_result); |
| 1728 | } else { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1729 | StoreValue(rl_dest, rl_result); |
| 1730 | } |
| 1731 | return true; |
| 1732 | } |
| 1733 | |
| 1734 | bool Mir2Lir::GenInlinedUnsafePut(CallInfo* info, bool is_long, |
| 1735 | bool is_object, bool is_volatile, bool is_ordered) { |
| 1736 | if (cu_->instruction_set == kMips) { |
| 1737 | // TODO - add Mips implementation |
| 1738 | return false; |
| 1739 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1740 | // Unused - RegLocation rl_src_unsafe = info->args[0]; |
| 1741 | RegLocation rl_src_obj = info->args[1]; // Object |
| 1742 | RegLocation rl_src_offset = info->args[2]; // long low |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1743 | rl_src_offset = NarrowRegLoc(rl_src_offset); // ignore high half in info->args[3] |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1744 | RegLocation rl_src_value = info->args[4]; // value to store |
| 1745 | if (is_volatile || is_ordered) { |
Razvan A Lupusoru | 99ad723 | 2014-02-25 17:41:08 -0800 | [diff] [blame] | 1746 | // There might have been a store before this volatile one so insert StoreStore barrier. |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1747 | GenMemBarrier(kStoreStore); |
| 1748 | } |
buzbee | a0cd2d7 | 2014-06-01 09:33:49 -0700 | [diff] [blame] | 1749 | RegLocation rl_object = LoadValue(rl_src_obj, kRefReg); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1750 | RegLocation rl_offset = LoadValue(rl_src_offset, kCoreReg); |
| 1751 | RegLocation rl_value; |
| 1752 | if (is_long) { |
| 1753 | rl_value = LoadValueWide(rl_src_value, kCoreReg); |
Dmitry Petrochenko | 9bf549d | 2014-05-12 11:14:46 +0700 | [diff] [blame] | 1754 | if (cu_->instruction_set == kX86 || cu_->instruction_set == kX86_64) { |
Vladimir Marko | 3bf7c60 | 2014-05-07 14:55:43 +0100 | [diff] [blame] | 1755 | StoreBaseIndexedDisp(rl_object.reg, rl_offset.reg, 0, 0, rl_value.reg, k64); |
Mathieu Chartier | 7c95cef | 2014-04-02 17:09:17 -0700 | [diff] [blame] | 1756 | } else { |
| 1757 | RegStorage rl_temp_offset = AllocTemp(); |
| 1758 | OpRegRegReg(kOpAdd, rl_temp_offset, rl_object.reg, rl_offset.reg); |
Andreas Gampe | 3c12c51 | 2014-06-24 18:46:29 +0000 | [diff] [blame] | 1759 | StoreBaseDisp(rl_temp_offset, 0, rl_value.reg, k64, kNotVolatile); |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 1760 | FreeTemp(rl_temp_offset); |
Mathieu Chartier | 7c95cef | 2014-04-02 17:09:17 -0700 | [diff] [blame] | 1761 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1762 | } else { |
buzbee | a0cd2d7 | 2014-06-01 09:33:49 -0700 | [diff] [blame] | 1763 | rl_value = LoadValue(rl_src_value); |
buzbee | 695d13a | 2014-04-19 13:32:20 -0700 | [diff] [blame] | 1764 | StoreBaseIndexed(rl_object.reg, rl_offset.reg, rl_value.reg, 0, k32); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1765 | } |
Mark Mendell | df8ee2e | 2014-01-27 16:37:47 -0800 | [diff] [blame] | 1766 | |
| 1767 | // Free up the temp early, to ensure x86 doesn't run out of temporaries in MarkGCCard. |
buzbee | 091cc40 | 2014-03-31 10:14:40 -0700 | [diff] [blame] | 1768 | FreeTemp(rl_offset.reg); |
Razvan A Lupusoru | 99ad723 | 2014-02-25 17:41:08 -0800 | [diff] [blame] | 1769 | |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1770 | if (is_volatile) { |
Razvan A Lupusoru | 99ad723 | 2014-02-25 17:41:08 -0800 | [diff] [blame] | 1771 | // A load might follow the volatile store so insert a StoreLoad barrier. |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1772 | GenMemBarrier(kStoreLoad); |
| 1773 | } |
| 1774 | if (is_object) { |
buzbee | 2700f7e | 2014-03-07 09:46:20 -0800 | [diff] [blame] | 1775 | MarkGCCard(rl_value.reg, rl_object.reg); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1776 | } |
| 1777 | return true; |
| 1778 | } |
| 1779 | |
Brian Carlstrom | 2ce745c | 2013-07-17 17:44:30 -0700 | [diff] [blame] | 1780 | void Mir2Lir::GenInvoke(CallInfo* info) { |
Vladimir Marko | 9820b7c | 2014-01-02 16:40:37 +0000 | [diff] [blame] | 1781 | if ((info->opt_flags & MIR_INLINED) != 0) { |
| 1782 | // Already inlined but we may still need the null check. |
| 1783 | if (info->type != kStatic && |
| 1784 | ((cu_->disable_opt & (1 << kNullCheckElimination)) != 0 || |
| 1785 | (info->opt_flags & MIR_IGNORE_NULL_CHECK) == 0)) { |
buzbee | a0cd2d7 | 2014-06-01 09:33:49 -0700 | [diff] [blame] | 1786 | RegLocation rl_obj = LoadValue(info->args[0], kRefReg); |
Mingyao Yang | e643a17 | 2014-04-08 11:02:52 -0700 | [diff] [blame] | 1787 | GenNullCheck(rl_obj.reg); |
Vladimir Marko | 9820b7c | 2014-01-02 16:40:37 +0000 | [diff] [blame] | 1788 | } |
| 1789 | return; |
| 1790 | } |
Vladimir Marko | 3bc8615 | 2014-03-13 14:11:28 +0000 | [diff] [blame] | 1791 | DCHECK(cu_->compiler_driver->GetMethodInlinerMap() != nullptr); |
Dmitry Petrochenko | 4c80043 | 2014-05-08 12:20:24 +0700 | [diff] [blame] | 1792 | // TODO: Enable instrinsics for x86_64 |
| 1793 | // Temporary disable intrinsics for x86_64. We will enable them later step by step. |
buzbee | 33ae558 | 2014-06-12 14:56:32 -0700 | [diff] [blame] | 1794 | // Temporary disable intrinsics for Arm64. We will enable them later step by step. |
| 1795 | if ((cu_->instruction_set != kX86_64) && (cu_->instruction_set != kArm64)) { |
Dmitry Petrochenko | 4c80043 | 2014-05-08 12:20:24 +0700 | [diff] [blame] | 1796 | if (cu_->compiler_driver->GetMethodInlinerMap()->GetMethodInliner(cu_->dex_file) |
| 1797 | ->GenIntrinsic(this, info)) { |
| 1798 | return; |
| 1799 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1800 | } |
Vladimir Marko | 3bc8615 | 2014-03-13 14:11:28 +0000 | [diff] [blame] | 1801 | GenInvokeNoInline(info); |
| 1802 | } |
| 1803 | |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 1804 | template <size_t pointer_size> |
| 1805 | static LIR* GenInvokeNoInlineCall(Mir2Lir* mir_to_lir, InvokeType type) { |
| 1806 | ThreadOffset<pointer_size> trampoline(-1); |
| 1807 | switch (type) { |
| 1808 | case kInterface: |
| 1809 | trampoline = QUICK_ENTRYPOINT_OFFSET(pointer_size, pInvokeInterfaceTrampolineWithAccessCheck); |
| 1810 | break; |
| 1811 | case kDirect: |
| 1812 | trampoline = QUICK_ENTRYPOINT_OFFSET(pointer_size, pInvokeDirectTrampolineWithAccessCheck); |
| 1813 | break; |
| 1814 | case kStatic: |
| 1815 | trampoline = QUICK_ENTRYPOINT_OFFSET(pointer_size, pInvokeStaticTrampolineWithAccessCheck); |
| 1816 | break; |
| 1817 | case kSuper: |
| 1818 | trampoline = QUICK_ENTRYPOINT_OFFSET(pointer_size, pInvokeSuperTrampolineWithAccessCheck); |
| 1819 | break; |
| 1820 | case kVirtual: |
| 1821 | trampoline = QUICK_ENTRYPOINT_OFFSET(pointer_size, pInvokeVirtualTrampolineWithAccessCheck); |
| 1822 | break; |
| 1823 | default: |
| 1824 | LOG(FATAL) << "Unexpected invoke type"; |
| 1825 | } |
| 1826 | return mir_to_lir->OpThreadMem(kOpBlx, trampoline); |
| 1827 | } |
| 1828 | |
Vladimir Marko | 3bc8615 | 2014-03-13 14:11:28 +0000 | [diff] [blame] | 1829 | void Mir2Lir::GenInvokeNoInline(CallInfo* info) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1830 | int call_state = 0; |
| 1831 | LIR* null_ck; |
| 1832 | LIR** p_null_ck = NULL; |
| 1833 | NextCallInsn next_call_insn; |
| 1834 | FlushAllRegs(); /* Everything to home location */ |
| 1835 | // Explicit register usage |
| 1836 | LockCallTemps(); |
| 1837 | |
Vladimir Marko | f096aad | 2014-01-23 15:51:58 +0000 | [diff] [blame] | 1838 | const MirMethodLoweringInfo& method_info = mir_graph_->GetMethodLoweringInfo(info->mir); |
| 1839 | cu_->compiler_driver->ProcessedInvoke(method_info.GetInvokeType(), method_info.StatsFlags()); |
Mark Mendell | e87f9b5 | 2014-04-30 14:13:18 -0400 | [diff] [blame] | 1840 | BeginInvoke(info); |
Vladimir Marko | f096aad | 2014-01-23 15:51:58 +0000 | [diff] [blame] | 1841 | InvokeType original_type = static_cast<InvokeType>(method_info.GetInvokeType()); |
| 1842 | info->type = static_cast<InvokeType>(method_info.GetSharpType()); |
| 1843 | bool fast_path = method_info.FastPath(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1844 | bool skip_this; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1845 | if (info->type == kInterface) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1846 | next_call_insn = fast_path ? NextInterfaceCallInsn : NextInterfaceCallInsnWithAccessCheck; |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 1847 | skip_this = fast_path; |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1848 | } else if (info->type == kDirect) { |
| 1849 | if (fast_path) { |
| 1850 | p_null_ck = &null_ck; |
| 1851 | } |
| 1852 | next_call_insn = fast_path ? NextSDCallInsn : NextDirectCallInsnSP; |
| 1853 | skip_this = false; |
| 1854 | } else if (info->type == kStatic) { |
| 1855 | next_call_insn = fast_path ? NextSDCallInsn : NextStaticCallInsnSP; |
| 1856 | skip_this = false; |
| 1857 | } else if (info->type == kSuper) { |
| 1858 | DCHECK(!fast_path); // Fast path is a direct call. |
| 1859 | next_call_insn = NextSuperCallInsnSP; |
| 1860 | skip_this = false; |
| 1861 | } else { |
| 1862 | DCHECK_EQ(info->type, kVirtual); |
| 1863 | next_call_insn = fast_path ? NextVCallInsn : NextVCallInsnSP; |
| 1864 | skip_this = fast_path; |
| 1865 | } |
Vladimir Marko | f096aad | 2014-01-23 15:51:58 +0000 | [diff] [blame] | 1866 | MethodReference target_method = method_info.GetTargetMethod(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1867 | if (!info->is_range) { |
| 1868 | call_state = GenDalvikArgsNoRange(info, call_state, p_null_ck, |
Vladimir Marko | f096aad | 2014-01-23 15:51:58 +0000 | [diff] [blame] | 1869 | next_call_insn, target_method, method_info.VTableIndex(), |
| 1870 | method_info.DirectCode(), method_info.DirectMethod(), |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1871 | original_type, skip_this); |
| 1872 | } else { |
| 1873 | call_state = GenDalvikArgsRange(info, call_state, p_null_ck, |
Vladimir Marko | f096aad | 2014-01-23 15:51:58 +0000 | [diff] [blame] | 1874 | next_call_insn, target_method, method_info.VTableIndex(), |
| 1875 | method_info.DirectCode(), method_info.DirectMethod(), |
| 1876 | original_type, skip_this); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1877 | } |
| 1878 | // Finish up any of the call sequence not interleaved in arg loading |
| 1879 | while (call_state >= 0) { |
Vladimir Marko | f096aad | 2014-01-23 15:51:58 +0000 | [diff] [blame] | 1880 | call_state = next_call_insn(cu_, info, call_state, target_method, method_info.VTableIndex(), |
| 1881 | method_info.DirectCode(), method_info.DirectMethod(), original_type); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1882 | } |
| 1883 | LIR* call_inst; |
Dmitry Petrochenko | 6a58cb1 | 2014-04-02 17:27:59 +0700 | [diff] [blame] | 1884 | if (cu_->instruction_set != kX86 && cu_->instruction_set != kX86_64) { |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1885 | call_inst = OpReg(kOpBlx, TargetReg(kInvokeTgt)); |
| 1886 | } else { |
Jeff Hao | 88474b4 | 2013-10-23 16:24:40 -0700 | [diff] [blame] | 1887 | if (fast_path) { |
Vladimir Marko | f096aad | 2014-01-23 15:51:58 +0000 | [diff] [blame] | 1888 | if (method_info.DirectCode() == static_cast<uintptr_t>(-1)) { |
Mark Mendell | 55d0eac | 2014-02-06 11:02:52 -0800 | [diff] [blame] | 1889 | // We can have the linker fixup a call relative. |
| 1890 | call_inst = |
Jeff Hao | 49161ce | 2014-03-12 11:05:25 -0700 | [diff] [blame] | 1891 | reinterpret_cast<X86Mir2Lir*>(this)->CallWithLinkerFixup(target_method, info->type); |
Mark Mendell | 55d0eac | 2014-02-06 11:02:52 -0800 | [diff] [blame] | 1892 | } else { |
| 1893 | call_inst = OpMem(kOpBlx, TargetReg(kArg0), |
| 1894 | mirror::ArtMethod::EntryPointFromQuickCompiledCodeOffset().Int32Value()); |
| 1895 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1896 | } else { |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 1897 | // TODO: Extract? |
buzbee | 33ae558 | 2014-06-12 14:56:32 -0700 | [diff] [blame] | 1898 | if (cu_->target64) { |
Andreas Gampe | 2f244e9 | 2014-05-08 03:35:25 -0700 | [diff] [blame] | 1899 | call_inst = GenInvokeNoInlineCall<8>(this, info->type); |
| 1900 | } else { |
Andreas Gampe | 3ec5da2 | 2014-05-12 18:43:28 -0700 | [diff] [blame] | 1901 | call_inst = GenInvokeNoInlineCall<4>(this, info->type); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1902 | } |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1903 | } |
| 1904 | } |
Mark Mendell | e87f9b5 | 2014-04-30 14:13:18 -0400 | [diff] [blame] | 1905 | EndInvoke(info); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1906 | MarkSafepointPC(call_inst); |
| 1907 | |
Vladimir Marko | 31c2aac | 2013-12-09 16:31:19 +0000 | [diff] [blame] | 1908 | ClobberCallerSave(); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1909 | if (info->result.location != kLocInvalid) { |
| 1910 | // We have a following MOVE_RESULT - do it now. |
| 1911 | if (info->result.wide) { |
buzbee | a0cd2d7 | 2014-06-01 09:33:49 -0700 | [diff] [blame] | 1912 | RegLocation ret_loc = GetReturnWide(LocToRegClass(info->result)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1913 | StoreValueWide(info->result, ret_loc); |
| 1914 | } else { |
buzbee | a0cd2d7 | 2014-06-01 09:33:49 -0700 | [diff] [blame] | 1915 | RegLocation ret_loc = GetReturn(LocToRegClass(info->result)); |
Brian Carlstrom | 7940e44 | 2013-07-12 13:46:57 -0700 | [diff] [blame] | 1916 | StoreValue(info->result, ret_loc); |
| 1917 | } |
| 1918 | } |
| 1919 | } |
| 1920 | |
| 1921 | } // namespace art |