buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2011 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 | |
buzbee | 1bc37c6 | 2012-11-20 13:35:41 -0800 | [diff] [blame] | 17 | #include "arm_lir.h" |
| 18 | #include "../codegen_util.h" |
| 19 | #include "../ralloc_util.h" |
| 20 | |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 21 | namespace art { |
| 22 | |
buzbee | b046e16 | 2012-10-30 15:48:42 -0700 | [diff] [blame] | 23 | /* This file contains codegen for the Thumb ISA. */ |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 24 | |
buzbee | aad9438 | 2012-11-21 07:40:50 -0800 | [diff] [blame] | 25 | static int EncodeImmSingle(int value) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 26 | { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 27 | int res; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 28 | int bit_a = (value & 0x80000000) >> 31; |
| 29 | int not_bit_b = (value & 0x40000000) >> 30; |
| 30 | int bit_b = (value & 0x20000000) >> 29; |
| 31 | int b_smear = (value & 0x3e000000) >> 25; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 32 | int slice = (value & 0x01f80000) >> 19; |
| 33 | int zeroes = (value & 0x0007ffff); |
| 34 | if (zeroes != 0) |
| 35 | return -1; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 36 | if (bit_b) { |
| 37 | if ((not_bit_b != 0) || (b_smear != 0x1f)) |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 38 | return -1; |
| 39 | } else { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 40 | if ((not_bit_b != 1) || (b_smear != 0x0)) |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 41 | return -1; |
| 42 | } |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 43 | res = (bit_a << 7) | (bit_b << 6) | slice; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 44 | return res; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 45 | } |
| 46 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 47 | static LIR* LoadFPConstantValue(CompilationUnit* cu, int r_dest, int value) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 48 | { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 49 | int encoded_imm = EncodeImmSingle(value); |
| 50 | DCHECK(ARM_SINGLEREG(r_dest)); |
| 51 | if (encoded_imm >= 0) { |
| 52 | return NewLIR2(cu, kThumb2Vmovs_IMM8, r_dest, encoded_imm); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 53 | } |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 54 | LIR* data_target = ScanLiteralPool(cu->literal_list, value, 0); |
| 55 | if (data_target == NULL) { |
| 56 | data_target = AddWordData(cu, &cu->literal_list, value); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 57 | } |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 58 | LIR* load_pc_rel = RawLIR(cu, cu->current_dalvik_offset, kThumb2Vldrs, |
| 59 | r_dest, r15pc, 0, 0, 0, data_target); |
| 60 | SetMemRefType(load_pc_rel, true, kLiteral); |
| 61 | load_pc_rel->alias_info = reinterpret_cast<uintptr_t>(data_target); |
| 62 | AppendLIR(cu, load_pc_rel); |
| 63 | return load_pc_rel; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 64 | } |
| 65 | |
buzbee | aad9438 | 2012-11-21 07:40:50 -0800 | [diff] [blame] | 66 | static int LeadingZeros(uint32_t val) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 67 | { |
buzbee | eaf09bc | 2012-11-15 14:51:41 -0800 | [diff] [blame] | 68 | uint32_t alt; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 69 | int n; |
| 70 | int count; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 71 | |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 72 | count = 16; |
| 73 | n = 32; |
| 74 | do { |
| 75 | alt = val >> count; |
| 76 | if (alt != 0) { |
| 77 | n = n - count; |
| 78 | val = alt; |
| 79 | } |
| 80 | count >>= 1; |
| 81 | } while (count); |
| 82 | return n - val; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 83 | } |
| 84 | |
| 85 | /* |
| 86 | * Determine whether value can be encoded as a Thumb2 modified |
| 87 | * immediate. If not, return -1. If so, return i:imm3:a:bcdefgh form. |
| 88 | */ |
buzbee | 52a77fc | 2012-11-20 19:50:46 -0800 | [diff] [blame] | 89 | int ModifiedImmediate(uint32_t value) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 90 | { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 91 | int z_leading; |
| 92 | int z_trailing; |
buzbee | eaf09bc | 2012-11-15 14:51:41 -0800 | [diff] [blame] | 93 | uint32_t b0 = value & 0xff; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 94 | |
| 95 | /* Note: case of value==0 must use 0:000:0:0000000 encoding */ |
| 96 | if (value <= 0xFF) |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 97 | return b0; // 0:000:a:bcdefgh |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 98 | if (value == ((b0 << 16) | b0)) |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 99 | return (0x1 << 8) | b0; /* 0:001:a:bcdefgh */ |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 100 | if (value == ((b0 << 24) | (b0 << 16) | (b0 << 8) | b0)) |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 101 | return (0x3 << 8) | b0; /* 0:011:a:bcdefgh */ |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 102 | b0 = (value >> 8) & 0xff; |
| 103 | if (value == ((b0 << 24) | (b0 << 8))) |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 104 | return (0x2 << 8) | b0; /* 0:010:a:bcdefgh */ |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 105 | /* Can we do it with rotation? */ |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 106 | z_leading = LeadingZeros(value); |
| 107 | z_trailing = 32 - LeadingZeros(~value & (value - 1)); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 108 | /* A run of eight or fewer active bits? */ |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 109 | if ((z_leading + z_trailing) < 24) |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 110 | return -1; /* No - bail */ |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 111 | /* left-justify the constant, discarding msb (known to be 1) */ |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 112 | value <<= z_leading + 1; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 113 | /* Create bcdefgh */ |
| 114 | value >>= 25; |
| 115 | /* Put it all together */ |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 116 | return value | ((0x8 + z_leading) << 7); /* [01000..11111]:bcdefgh */ |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 117 | } |
| 118 | |
| 119 | /* |
| 120 | * Load a immediate using a shortcut if possible; otherwise |
| 121 | * grab from the per-translation literal pool. |
| 122 | * |
| 123 | * No additional register clobbering operation performed. Use this version when |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 124 | * 1) r_dest is freshly returned from AllocTemp or |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 125 | * 2) The codegen is under fixed register usage |
| 126 | */ |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 127 | LIR* LoadConstantNoClobber(CompilationUnit* cu, int r_dest, int value) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 128 | { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 129 | LIR* res; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 130 | int mod_imm; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 131 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 132 | if (ARM_FPREG(r_dest)) { |
| 133 | return LoadFPConstantValue(cu, r_dest, value); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 134 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 135 | |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 136 | /* See if the value can be constructed cheaply */ |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 137 | if (ARM_LOWREG(r_dest) && (value >= 0) && (value <= 255)) { |
| 138 | return NewLIR2(cu, kThumbMovImm, r_dest, value); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 139 | } |
| 140 | /* Check Modified immediate special cases */ |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 141 | mod_imm = ModifiedImmediate(value); |
| 142 | if (mod_imm >= 0) { |
| 143 | res = NewLIR2(cu, kThumb2MovImmShift, r_dest, mod_imm); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 144 | return res; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 145 | } |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 146 | mod_imm = ModifiedImmediate(~value); |
| 147 | if (mod_imm >= 0) { |
| 148 | res = NewLIR2(cu, kThumb2MvnImm12, r_dest, mod_imm); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 149 | return res; |
| 150 | } |
| 151 | /* 16-bit immediate? */ |
| 152 | if ((value & 0xffff) == value) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 153 | res = NewLIR2(cu, kThumb2MovImm16, r_dest, value); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 154 | return res; |
| 155 | } |
| 156 | /* No shortcut - go ahead and use literal pool */ |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 157 | LIR* data_target = ScanLiteralPool(cu->literal_list, value, 0); |
| 158 | if (data_target == NULL) { |
| 159 | data_target = AddWordData(cu, &cu->literal_list, value); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 160 | } |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 161 | LIR* load_pc_rel = RawLIR(cu, cu->current_dalvik_offset, |
| 162 | kThumb2LdrPcRel12, r_dest, 0, 0, 0, 0, data_target); |
| 163 | SetMemRefType(load_pc_rel, true, kLiteral); |
| 164 | load_pc_rel->alias_info = reinterpret_cast<uintptr_t>(data_target); |
| 165 | res = load_pc_rel; |
| 166 | AppendLIR(cu, load_pc_rel); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 167 | |
| 168 | /* |
| 169 | * To save space in the constant pool, we use the ADD_RRI8 instruction to |
| 170 | * add up to 255 to an existing constant value. |
| 171 | */ |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 172 | if (data_target->operands[0] != value) { |
| 173 | OpRegImm(cu, kOpAdd, r_dest, value - data_target->operands[0]); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 174 | } |
| 175 | return res; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 176 | } |
| 177 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 178 | LIR* OpBranchUnconditional(CompilationUnit* cu, OpKind op) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 179 | { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 180 | DCHECK_EQ(op, kOpUncondBr); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 181 | return NewLIR1(cu, kThumbBUncond, 0 /* offset to be patched */); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 182 | } |
| 183 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 184 | LIR* OpCondBranch(CompilationUnit* cu, ConditionCode cc, LIR* target) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 185 | { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 186 | LIR* branch = NewLIR2(cu, kThumb2BCond, 0 /* offset to be patched */, |
buzbee | 52a77fc | 2012-11-20 19:50:46 -0800 | [diff] [blame] | 187 | ArmConditionEncoding(cc)); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 188 | branch->target = target; |
| 189 | return branch; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 190 | } |
| 191 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 192 | LIR* OpReg(CompilationUnit* cu, OpKind op, int r_dest_src) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 193 | { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 194 | ArmOpcode opcode = kThumbBkpt; |
| 195 | switch (op) { |
| 196 | case kOpBlx: |
| 197 | opcode = kThumbBlxR; |
| 198 | break; |
| 199 | default: |
buzbee | cbd6d44 | 2012-11-17 14:11:25 -0800 | [diff] [blame] | 200 | LOG(FATAL) << "Bad opcode " << op; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 201 | } |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 202 | return NewLIR1(cu, opcode, r_dest_src); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 203 | } |
| 204 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 205 | LIR* OpRegRegShift(CompilationUnit* cu, OpKind op, int r_dest_src1, |
| 206 | int r_src2, int shift) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 207 | { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 208 | bool thumb_form = ((shift == 0) && ARM_LOWREG(r_dest_src1) && ARM_LOWREG(r_src2)); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 209 | ArmOpcode opcode = kThumbBkpt; |
| 210 | switch (op) { |
| 211 | case kOpAdc: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 212 | opcode = (thumb_form) ? kThumbAdcRR : kThumb2AdcRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 213 | break; |
| 214 | case kOpAnd: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 215 | opcode = (thumb_form) ? kThumbAndRR : kThumb2AndRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 216 | break; |
| 217 | case kOpBic: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 218 | opcode = (thumb_form) ? kThumbBicRR : kThumb2BicRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 219 | break; |
| 220 | case kOpCmn: |
| 221 | DCHECK_EQ(shift, 0); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 222 | opcode = (thumb_form) ? kThumbCmnRR : kThumb2CmnRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 223 | break; |
| 224 | case kOpCmp: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 225 | if (thumb_form) |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 226 | opcode = kThumbCmpRR; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 227 | else if ((shift == 0) && !ARM_LOWREG(r_dest_src1) && !ARM_LOWREG(r_src2)) |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 228 | opcode = kThumbCmpHH; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 229 | else if ((shift == 0) && ARM_LOWREG(r_dest_src1)) |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 230 | opcode = kThumbCmpLH; |
| 231 | else if (shift == 0) |
| 232 | opcode = kThumbCmpHL; |
| 233 | else |
| 234 | opcode = kThumb2CmpRR; |
| 235 | break; |
| 236 | case kOpXor: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 237 | opcode = (thumb_form) ? kThumbEorRR : kThumb2EorRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 238 | break; |
| 239 | case kOpMov: |
| 240 | DCHECK_EQ(shift, 0); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 241 | if (ARM_LOWREG(r_dest_src1) && ARM_LOWREG(r_src2)) |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 242 | opcode = kThumbMovRR; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 243 | else if (!ARM_LOWREG(r_dest_src1) && !ARM_LOWREG(r_src2)) |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 244 | opcode = kThumbMovRR_H2H; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 245 | else if (ARM_LOWREG(r_dest_src1)) |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 246 | opcode = kThumbMovRR_H2L; |
| 247 | else |
| 248 | opcode = kThumbMovRR_L2H; |
| 249 | break; |
| 250 | case kOpMul: |
| 251 | DCHECK_EQ(shift, 0); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 252 | opcode = (thumb_form) ? kThumbMul : kThumb2MulRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 253 | break; |
| 254 | case kOpMvn: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 255 | opcode = (thumb_form) ? kThumbMvn : kThumb2MnvRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 256 | break; |
| 257 | case kOpNeg: |
| 258 | DCHECK_EQ(shift, 0); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 259 | opcode = (thumb_form) ? kThumbNeg : kThumb2NegRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 260 | break; |
| 261 | case kOpOr: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 262 | opcode = (thumb_form) ? kThumbOrr : kThumb2OrrRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 263 | break; |
| 264 | case kOpSbc: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 265 | opcode = (thumb_form) ? kThumbSbc : kThumb2SbcRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 266 | break; |
| 267 | case kOpTst: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 268 | opcode = (thumb_form) ? kThumbTst : kThumb2TstRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 269 | break; |
| 270 | case kOpLsl: |
| 271 | DCHECK_EQ(shift, 0); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 272 | opcode = (thumb_form) ? kThumbLslRR : kThumb2LslRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 273 | break; |
| 274 | case kOpLsr: |
| 275 | DCHECK_EQ(shift, 0); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 276 | opcode = (thumb_form) ? kThumbLsrRR : kThumb2LsrRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 277 | break; |
| 278 | case kOpAsr: |
| 279 | DCHECK_EQ(shift, 0); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 280 | opcode = (thumb_form) ? kThumbAsrRR : kThumb2AsrRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 281 | break; |
| 282 | case kOpRor: |
| 283 | DCHECK_EQ(shift, 0); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 284 | opcode = (thumb_form) ? kThumbRorRR : kThumb2RorRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 285 | break; |
| 286 | case kOpAdd: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 287 | opcode = (thumb_form) ? kThumbAddRRR : kThumb2AddRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 288 | break; |
| 289 | case kOpSub: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 290 | opcode = (thumb_form) ? kThumbSubRRR : kThumb2SubRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 291 | break; |
| 292 | case kOp2Byte: |
| 293 | DCHECK_EQ(shift, 0); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 294 | return NewLIR4(cu, kThumb2Sbfx, r_dest_src1, r_src2, 0, 8); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 295 | case kOp2Short: |
| 296 | DCHECK_EQ(shift, 0); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 297 | return NewLIR4(cu, kThumb2Sbfx, r_dest_src1, r_src2, 0, 16); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 298 | case kOp2Char: |
| 299 | DCHECK_EQ(shift, 0); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 300 | return NewLIR4(cu, kThumb2Ubfx, r_dest_src1, r_src2, 0, 16); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 301 | default: |
buzbee | cbd6d44 | 2012-11-17 14:11:25 -0800 | [diff] [blame] | 302 | LOG(FATAL) << "Bad opcode: " << op; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 303 | break; |
| 304 | } |
| 305 | DCHECK_GE(static_cast<int>(opcode), 0); |
| 306 | if (EncodingMap[opcode].flags & IS_BINARY_OP) |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 307 | return NewLIR2(cu, opcode, r_dest_src1, r_src2); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 308 | else if (EncodingMap[opcode].flags & IS_TERTIARY_OP) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 309 | if (EncodingMap[opcode].field_loc[2].kind == kFmtShift) |
| 310 | return NewLIR3(cu, opcode, r_dest_src1, r_src2, shift); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 311 | else |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 312 | return NewLIR3(cu, opcode, r_dest_src1, r_dest_src1, r_src2); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 313 | } else if (EncodingMap[opcode].flags & IS_QUAD_OP) |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 314 | return NewLIR4(cu, opcode, r_dest_src1, r_dest_src1, r_src2, shift); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 315 | else { |
| 316 | LOG(FATAL) << "Unexpected encoding operand count"; |
| 317 | return NULL; |
| 318 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 319 | } |
| 320 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 321 | LIR* OpRegReg(CompilationUnit* cu, OpKind op, int r_dest_src1, int r_src2) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 322 | { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 323 | return OpRegRegShift(cu, op, r_dest_src1, r_src2, 0); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 324 | } |
| 325 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 326 | LIR* OpRegRegRegShift(CompilationUnit* cu, OpKind op, int r_dest, int r_src1, |
| 327 | int r_src2, int shift) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 328 | { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 329 | ArmOpcode opcode = kThumbBkpt; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 330 | bool thumb_form = (shift == 0) && ARM_LOWREG(r_dest) && ARM_LOWREG(r_src1) && |
| 331 | ARM_LOWREG(r_src2); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 332 | switch (op) { |
| 333 | case kOpAdd: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 334 | opcode = (thumb_form) ? kThumbAddRRR : kThumb2AddRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 335 | break; |
| 336 | case kOpSub: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 337 | opcode = (thumb_form) ? kThumbSubRRR : kThumb2SubRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 338 | break; |
| 339 | case kOpRsub: |
| 340 | opcode = kThumb2RsubRRR; |
| 341 | break; |
| 342 | case kOpAdc: |
| 343 | opcode = kThumb2AdcRRR; |
| 344 | break; |
| 345 | case kOpAnd: |
| 346 | opcode = kThumb2AndRRR; |
| 347 | break; |
| 348 | case kOpBic: |
| 349 | opcode = kThumb2BicRRR; |
| 350 | break; |
| 351 | case kOpXor: |
| 352 | opcode = kThumb2EorRRR; |
| 353 | break; |
| 354 | case kOpMul: |
| 355 | DCHECK_EQ(shift, 0); |
| 356 | opcode = kThumb2MulRRR; |
| 357 | break; |
| 358 | case kOpOr: |
| 359 | opcode = kThumb2OrrRRR; |
| 360 | break; |
| 361 | case kOpSbc: |
| 362 | opcode = kThumb2SbcRRR; |
| 363 | break; |
| 364 | case kOpLsl: |
| 365 | DCHECK_EQ(shift, 0); |
| 366 | opcode = kThumb2LslRRR; |
| 367 | break; |
| 368 | case kOpLsr: |
| 369 | DCHECK_EQ(shift, 0); |
| 370 | opcode = kThumb2LsrRRR; |
| 371 | break; |
| 372 | case kOpAsr: |
| 373 | DCHECK_EQ(shift, 0); |
| 374 | opcode = kThumb2AsrRRR; |
| 375 | break; |
| 376 | case kOpRor: |
| 377 | DCHECK_EQ(shift, 0); |
| 378 | opcode = kThumb2RorRRR; |
| 379 | break; |
| 380 | default: |
buzbee | cbd6d44 | 2012-11-17 14:11:25 -0800 | [diff] [blame] | 381 | LOG(FATAL) << "Bad opcode: " << op; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 382 | break; |
| 383 | } |
| 384 | DCHECK_GE(static_cast<int>(opcode), 0); |
| 385 | if (EncodingMap[opcode].flags & IS_QUAD_OP) |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 386 | return NewLIR4(cu, opcode, r_dest, r_src1, r_src2, shift); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 387 | else { |
| 388 | DCHECK(EncodingMap[opcode].flags & IS_TERTIARY_OP); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 389 | return NewLIR3(cu, opcode, r_dest, r_src1, r_src2); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 390 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 391 | } |
| 392 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 393 | LIR* OpRegRegReg(CompilationUnit* cu, OpKind op, int r_dest, int r_src1, |
| 394 | int r_src2) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 395 | { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 396 | return OpRegRegRegShift(cu, op, r_dest, r_src1, r_src2, 0); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 397 | } |
| 398 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 399 | LIR* OpRegRegImm(CompilationUnit* cu, OpKind op, int r_dest, int r_src1, |
buzbee | 31a4a6f | 2012-02-28 15:36:15 -0800 | [diff] [blame] | 400 | int value) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 401 | { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 402 | LIR* res; |
| 403 | bool neg = (value < 0); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 404 | int abs_value = (neg) ? -value : value; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 405 | ArmOpcode opcode = kThumbBkpt; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 406 | ArmOpcode alt_opcode = kThumbBkpt; |
| 407 | bool all_low_regs = (ARM_LOWREG(r_dest) && ARM_LOWREG(r_src1)); |
| 408 | int mod_imm = ModifiedImmediate(value); |
| 409 | int mod_imm_neg = ModifiedImmediate(-value); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 410 | |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 411 | switch (op) { |
| 412 | case kOpLsl: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 413 | if (all_low_regs) |
| 414 | return NewLIR3(cu, kThumbLslRRI5, r_dest, r_src1, value); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 415 | else |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 416 | return NewLIR3(cu, kThumb2LslRRI5, r_dest, r_src1, value); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 417 | case kOpLsr: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 418 | if (all_low_regs) |
| 419 | return NewLIR3(cu, kThumbLsrRRI5, r_dest, r_src1, value); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 420 | else |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 421 | return NewLIR3(cu, kThumb2LsrRRI5, r_dest, r_src1, value); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 422 | case kOpAsr: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 423 | if (all_low_regs) |
| 424 | return NewLIR3(cu, kThumbAsrRRI5, r_dest, r_src1, value); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 425 | else |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 426 | return NewLIR3(cu, kThumb2AsrRRI5, r_dest, r_src1, value); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 427 | case kOpRor: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 428 | return NewLIR3(cu, kThumb2RorRRI5, r_dest, r_src1, value); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 429 | case kOpAdd: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 430 | if (ARM_LOWREG(r_dest) && (r_src1 == r13sp) && |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 431 | (value <= 1020) && ((value & 0x3)==0)) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 432 | return NewLIR3(cu, kThumbAddSpRel, r_dest, r_src1, value >> 2); |
| 433 | } else if (ARM_LOWREG(r_dest) && (r_src1 == r15pc) && |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 434 | (value <= 1020) && ((value & 0x3)==0)) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 435 | return NewLIR3(cu, kThumbAddPcRel, r_dest, r_src1, value >> 2); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 436 | } |
| 437 | // Note: intentional fallthrough |
| 438 | case kOpSub: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 439 | if (all_low_regs && ((abs_value & 0x7) == abs_value)) { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 440 | if (op == kOpAdd) |
| 441 | opcode = (neg) ? kThumbSubRRI3 : kThumbAddRRI3; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 442 | else |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 443 | opcode = (neg) ? kThumbAddRRI3 : kThumbSubRRI3; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 444 | return NewLIR3(cu, opcode, r_dest, r_src1, abs_value); |
| 445 | } else if ((abs_value & 0xff) == abs_value) { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 446 | if (op == kOpAdd) |
| 447 | opcode = (neg) ? kThumb2SubRRI12 : kThumb2AddRRI12; |
| 448 | else |
| 449 | opcode = (neg) ? kThumb2AddRRI12 : kThumb2SubRRI12; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 450 | return NewLIR3(cu, opcode, r_dest, r_src1, abs_value); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 451 | } |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 452 | if (mod_imm_neg >= 0) { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 453 | op = (op == kOpAdd) ? kOpSub : kOpAdd; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 454 | mod_imm = mod_imm_neg; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 455 | } |
| 456 | if (op == kOpSub) { |
| 457 | opcode = kThumb2SubRRI8; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 458 | alt_opcode = kThumb2SubRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 459 | } else { |
| 460 | opcode = kThumb2AddRRI8; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 461 | alt_opcode = kThumb2AddRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 462 | } |
| 463 | break; |
| 464 | case kOpAdc: |
| 465 | opcode = kThumb2AdcRRI8; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 466 | alt_opcode = kThumb2AdcRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 467 | break; |
| 468 | case kOpSbc: |
| 469 | opcode = kThumb2SbcRRI8; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 470 | alt_opcode = kThumb2SbcRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 471 | break; |
| 472 | case kOpOr: |
| 473 | opcode = kThumb2OrrRRI8; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 474 | alt_opcode = kThumb2OrrRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 475 | break; |
| 476 | case kOpAnd: |
| 477 | opcode = kThumb2AndRRI8; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 478 | alt_opcode = kThumb2AndRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 479 | break; |
| 480 | case kOpXor: |
| 481 | opcode = kThumb2EorRRI8; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 482 | alt_opcode = kThumb2EorRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 483 | break; |
| 484 | case kOpMul: |
| 485 | //TUNING: power of 2, shift & add |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 486 | mod_imm = -1; |
| 487 | alt_opcode = kThumb2MulRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 488 | break; |
| 489 | case kOpCmp: { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 490 | int mod_imm = ModifiedImmediate(value); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 491 | LIR* res; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 492 | if (mod_imm >= 0) { |
| 493 | res = NewLIR2(cu, kThumb2CmpRI8, r_src1, mod_imm); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 494 | } else { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 495 | int r_tmp = AllocTemp(cu); |
| 496 | res = LoadConstant(cu, r_tmp, value); |
| 497 | OpRegReg(cu, kOpCmp, r_src1, r_tmp); |
| 498 | FreeTemp(cu, r_tmp); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 499 | } |
| 500 | return res; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 501 | } |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 502 | default: |
buzbee | cbd6d44 | 2012-11-17 14:11:25 -0800 | [diff] [blame] | 503 | LOG(FATAL) << "Bad opcode: " << op; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 504 | } |
| 505 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 506 | if (mod_imm >= 0) { |
| 507 | return NewLIR3(cu, opcode, r_dest, r_src1, mod_imm); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 508 | } else { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 509 | int r_scratch = AllocTemp(cu); |
| 510 | LoadConstant(cu, r_scratch, value); |
| 511 | if (EncodingMap[alt_opcode].flags & IS_QUAD_OP) |
| 512 | res = NewLIR4(cu, alt_opcode, r_dest, r_src1, r_scratch, 0); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 513 | else |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 514 | res = NewLIR3(cu, alt_opcode, r_dest, r_src1, r_scratch); |
| 515 | FreeTemp(cu, r_scratch); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 516 | return res; |
| 517 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 518 | } |
| 519 | |
buzbee | 52a77fc | 2012-11-20 19:50:46 -0800 | [diff] [blame] | 520 | /* Handle Thumb-only variants here - otherwise punt to OpRegRegImm */ |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 521 | LIR* OpRegImm(CompilationUnit* cu, OpKind op, int r_dest_src1, int value) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 522 | { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 523 | bool neg = (value < 0); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 524 | int abs_value = (neg) ? -value : value; |
| 525 | bool short_form = (((abs_value & 0xff) == abs_value) && ARM_LOWREG(r_dest_src1)); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 526 | ArmOpcode opcode = kThumbBkpt; |
| 527 | switch (op) { |
| 528 | case kOpAdd: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 529 | if ( !neg && (r_dest_src1 == r13sp) && (value <= 508)) { /* sp */ |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 530 | DCHECK_EQ((value & 0x3), 0); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 531 | return NewLIR1(cu, kThumbAddSpI7, value >> 2); |
| 532 | } else if (short_form) { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 533 | opcode = (neg) ? kThumbSubRI8 : kThumbAddRI8; |
| 534 | } |
| 535 | break; |
| 536 | case kOpSub: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 537 | if (!neg && (r_dest_src1 == r13sp) && (value <= 508)) { /* sp */ |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 538 | DCHECK_EQ((value & 0x3), 0); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 539 | return NewLIR1(cu, kThumbSubSpI7, value >> 2); |
| 540 | } else if (short_form) { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 541 | opcode = (neg) ? kThumbAddRI8 : kThumbSubRI8; |
| 542 | } |
| 543 | break; |
| 544 | case kOpCmp: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 545 | if (ARM_LOWREG(r_dest_src1) && short_form) |
| 546 | opcode = (short_form) ? kThumbCmpRI8 : kThumbCmpRR; |
| 547 | else if (ARM_LOWREG(r_dest_src1)) |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 548 | opcode = kThumbCmpRR; |
| 549 | else { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 550 | short_form = false; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 551 | opcode = kThumbCmpHL; |
| 552 | } |
| 553 | break; |
| 554 | default: |
buzbee | 52a77fc | 2012-11-20 19:50:46 -0800 | [diff] [blame] | 555 | /* Punt to OpRegRegImm - if bad case catch it there */ |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 556 | short_form = false; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 557 | break; |
| 558 | } |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 559 | if (short_form) |
| 560 | return NewLIR2(cu, opcode, r_dest_src1, abs_value); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 561 | else { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 562 | return OpRegRegImm(cu, op, r_dest_src1, r_dest_src1, value); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 563 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 564 | } |
| 565 | |
| 566 | /* |
| 567 | * Determine whether value can be encoded as a Thumb2 floating point |
| 568 | * immediate. If not, return -1. If so return encoded 8-bit value. |
| 569 | */ |
buzbee | aad9438 | 2012-11-21 07:40:50 -0800 | [diff] [blame] | 570 | static int EncodeImmDoubleHigh(int value) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 571 | { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 572 | int res; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 573 | int bit_a = (value & 0x80000000) >> 31; |
| 574 | int not_bit_b = (value & 0x40000000) >> 30; |
| 575 | int bit_b = (value & 0x20000000) >> 29; |
| 576 | int b_smear = (value & 0x3fc00000) >> 22; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 577 | int slice = (value & 0x003f0000) >> 16; |
| 578 | int zeroes = (value & 0x0000ffff); |
| 579 | if (zeroes != 0) |
| 580 | return -1; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 581 | if (bit_b) { |
| 582 | if ((not_bit_b != 0) || (b_smear != 0xff)) |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 583 | return -1; |
| 584 | } else { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 585 | if ((not_bit_b != 1) || (b_smear != 0x0)) |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 586 | return -1; |
| 587 | } |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 588 | res = (bit_a << 7) | (bit_b << 6) | slice; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 589 | return res; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 590 | } |
| 591 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 592 | static int EncodeImmDouble(int val_lo, int val_hi) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 593 | { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 594 | int res = -1; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 595 | if (val_lo == 0) |
| 596 | res = EncodeImmDoubleHigh(val_hi); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 597 | return res; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 598 | } |
| 599 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 600 | LIR* LoadConstantValueWide(CompilationUnit* cu, int r_dest_lo, int r_dest_hi, |
| 601 | int val_lo, int val_hi) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 602 | { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 603 | int encoded_imm = EncodeImmDouble(val_lo, val_hi); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 604 | LIR* res; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 605 | if (ARM_FPREG(r_dest_lo)) { |
| 606 | if (encoded_imm >= 0) { |
| 607 | res = NewLIR2(cu, kThumb2Vmovd_IMM8, S2d(r_dest_lo, r_dest_hi), |
| 608 | encoded_imm); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 609 | } else { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 610 | LIR* data_target = ScanLiteralPoolWide(cu->literal_list, val_lo, val_hi); |
| 611 | if (data_target == NULL) { |
| 612 | data_target = AddWideData(cu, &cu->literal_list, val_lo, val_hi); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 613 | } |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 614 | LIR* load_pc_rel = |
| 615 | RawLIR(cu, cu->current_dalvik_offset, kThumb2Vldrd, |
| 616 | S2d(r_dest_lo, r_dest_hi), r15pc, 0, 0, 0, data_target); |
| 617 | SetMemRefType(load_pc_rel, true, kLiteral); |
| 618 | load_pc_rel->alias_info = reinterpret_cast<uintptr_t>(data_target); |
| 619 | AppendLIR(cu, load_pc_rel); |
| 620 | res = load_pc_rel; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 621 | } |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 622 | } else { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 623 | res = LoadConstantNoClobber(cu, r_dest_lo, val_lo); |
| 624 | LoadConstantNoClobber(cu, r_dest_hi, val_hi); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 625 | } |
| 626 | return res; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 627 | } |
| 628 | |
buzbee | 52a77fc | 2012-11-20 19:50:46 -0800 | [diff] [blame] | 629 | int EncodeShift(int code, int amount) { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 630 | return ((amount & 0x1f) << 2) | code; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 631 | } |
| 632 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 633 | LIR* LoadBaseIndexed(CompilationUnit* cu, int rBase, int r_index, int r_dest, |
buzbee | 31a4a6f | 2012-02-28 15:36:15 -0800 | [diff] [blame] | 634 | int scale, OpSize size) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 635 | { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 636 | bool all_low_regs = ARM_LOWREG(rBase) && ARM_LOWREG(r_index) && ARM_LOWREG(r_dest); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 637 | LIR* load; |
| 638 | ArmOpcode opcode = kThumbBkpt; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 639 | bool thumb_form = (all_low_regs && (scale == 0)); |
| 640 | int reg_ptr; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 641 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 642 | if (ARM_FPREG(r_dest)) { |
| 643 | if (ARM_SINGLEREG(r_dest)) { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 644 | DCHECK((size == kWord) || (size == kSingle)); |
| 645 | opcode = kThumb2Vldrs; |
| 646 | size = kSingle; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 647 | } else { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 648 | DCHECK(ARM_DOUBLEREG(r_dest)); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 649 | DCHECK((size == kLong) || (size == kDouble)); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 650 | DCHECK_EQ((r_dest & 0x1), 0); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 651 | opcode = kThumb2Vldrd; |
| 652 | size = kDouble; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 653 | } |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 654 | } else { |
| 655 | if (size == kSingle) |
| 656 | size = kWord; |
| 657 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 658 | |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 659 | switch (size) { |
| 660 | case kDouble: // fall-through |
| 661 | case kSingle: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 662 | reg_ptr = AllocTemp(cu); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 663 | if (scale) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 664 | NewLIR4(cu, kThumb2AddRRR, reg_ptr, rBase, r_index, |
buzbee | 52a77fc | 2012-11-20 19:50:46 -0800 | [diff] [blame] | 665 | EncodeShift(kArmLsl, scale)); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 666 | } else { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 667 | OpRegRegReg(cu, kOpAdd, reg_ptr, rBase, r_index); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 668 | } |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 669 | load = NewLIR3(cu, opcode, r_dest, reg_ptr, 0); |
| 670 | FreeTemp(cu, reg_ptr); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 671 | return load; |
| 672 | case kWord: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 673 | opcode = (thumb_form) ? kThumbLdrRRR : kThumb2LdrRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 674 | break; |
| 675 | case kUnsignedHalf: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 676 | opcode = (thumb_form) ? kThumbLdrhRRR : kThumb2LdrhRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 677 | break; |
| 678 | case kSignedHalf: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 679 | opcode = (thumb_form) ? kThumbLdrshRRR : kThumb2LdrshRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 680 | break; |
| 681 | case kUnsignedByte: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 682 | opcode = (thumb_form) ? kThumbLdrbRRR : kThumb2LdrbRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 683 | break; |
| 684 | case kSignedByte: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 685 | opcode = (thumb_form) ? kThumbLdrsbRRR : kThumb2LdrsbRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 686 | break; |
| 687 | default: |
buzbee | cbd6d44 | 2012-11-17 14:11:25 -0800 | [diff] [blame] | 688 | LOG(FATAL) << "Bad size: " << size; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 689 | } |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 690 | if (thumb_form) |
| 691 | load = NewLIR3(cu, opcode, r_dest, rBase, r_index); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 692 | else |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 693 | load = NewLIR4(cu, opcode, r_dest, rBase, r_index, scale); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 694 | |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 695 | return load; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 696 | } |
| 697 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 698 | LIR* StoreBaseIndexed(CompilationUnit* cu, int rBase, int r_index, int r_src, |
buzbee | 31a4a6f | 2012-02-28 15:36:15 -0800 | [diff] [blame] | 699 | int scale, OpSize size) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 700 | { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 701 | bool all_low_regs = ARM_LOWREG(rBase) && ARM_LOWREG(r_index) && ARM_LOWREG(r_src); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 702 | LIR* store; |
| 703 | ArmOpcode opcode = kThumbBkpt; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 704 | bool thumb_form = (all_low_regs && (scale == 0)); |
| 705 | int reg_ptr; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 706 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 707 | if (ARM_FPREG(r_src)) { |
| 708 | if (ARM_SINGLEREG(r_src)) { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 709 | DCHECK((size == kWord) || (size == kSingle)); |
| 710 | opcode = kThumb2Vstrs; |
| 711 | size = kSingle; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 712 | } else { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 713 | DCHECK(ARM_DOUBLEREG(r_src)); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 714 | DCHECK((size == kLong) || (size == kDouble)); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 715 | DCHECK_EQ((r_src & 0x1), 0); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 716 | opcode = kThumb2Vstrd; |
| 717 | size = kDouble; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 718 | } |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 719 | } else { |
| 720 | if (size == kSingle) |
| 721 | size = kWord; |
| 722 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 723 | |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 724 | switch (size) { |
| 725 | case kDouble: // fall-through |
| 726 | case kSingle: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 727 | reg_ptr = AllocTemp(cu); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 728 | if (scale) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 729 | NewLIR4(cu, kThumb2AddRRR, reg_ptr, rBase, r_index, |
buzbee | 52a77fc | 2012-11-20 19:50:46 -0800 | [diff] [blame] | 730 | EncodeShift(kArmLsl, scale)); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 731 | } else { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 732 | OpRegRegReg(cu, kOpAdd, reg_ptr, rBase, r_index); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 733 | } |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 734 | store = NewLIR3(cu, opcode, r_src, reg_ptr, 0); |
| 735 | FreeTemp(cu, reg_ptr); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 736 | return store; |
| 737 | case kWord: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 738 | opcode = (thumb_form) ? kThumbStrRRR : kThumb2StrRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 739 | break; |
| 740 | case kUnsignedHalf: |
| 741 | case kSignedHalf: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 742 | opcode = (thumb_form) ? kThumbStrhRRR : kThumb2StrhRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 743 | break; |
| 744 | case kUnsignedByte: |
| 745 | case kSignedByte: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 746 | opcode = (thumb_form) ? kThumbStrbRRR : kThumb2StrbRRR; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 747 | break; |
| 748 | default: |
buzbee | cbd6d44 | 2012-11-17 14:11:25 -0800 | [diff] [blame] | 749 | LOG(FATAL) << "Bad size: " << size; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 750 | } |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 751 | if (thumb_form) |
| 752 | store = NewLIR3(cu, opcode, r_src, rBase, r_index); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 753 | else |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 754 | store = NewLIR4(cu, opcode, r_src, rBase, r_index, scale); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 755 | |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 756 | return store; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 757 | } |
| 758 | |
| 759 | /* |
| 760 | * Load value from base + displacement. Optionally perform null check |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 761 | * on base (which must have an associated s_reg and MIR). If not |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 762 | * performing null check, incoming MIR can be null. |
| 763 | */ |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 764 | LIR* LoadBaseDispBody(CompilationUnit* cu, int rBase, |
| 765 | int displacement, int r_dest, int r_dest_hi, OpSize size, |
| 766 | int s_reg) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 767 | { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 768 | LIR* res; |
| 769 | LIR* load; |
| 770 | ArmOpcode opcode = kThumbBkpt; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 771 | bool short_form = false; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 772 | bool thumb2Form = (displacement < 4092 && displacement >= 0); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 773 | bool all_low_regs = (ARM_LOWREG(rBase) && ARM_LOWREG(r_dest)); |
| 774 | int encoded_disp = displacement; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 775 | bool is64bit = false; |
| 776 | switch (size) { |
| 777 | case kDouble: |
| 778 | case kLong: |
| 779 | is64bit = true; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 780 | if (ARM_FPREG(r_dest)) { |
| 781 | if (ARM_SINGLEREG(r_dest)) { |
| 782 | DCHECK(ARM_FPREG(r_dest_hi)); |
| 783 | r_dest = S2d(r_dest, r_dest_hi); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 784 | } |
| 785 | opcode = kThumb2Vldrd; |
| 786 | if (displacement <= 1020) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 787 | short_form = true; |
| 788 | encoded_disp >>= 2; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 789 | } |
| 790 | break; |
| 791 | } else { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 792 | res = LoadBaseDispBody(cu, rBase, displacement, r_dest, |
| 793 | -1, kWord, s_reg); |
| 794 | LoadBaseDispBody(cu, rBase, displacement + 4, r_dest_hi, |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 795 | -1, kWord, INVALID_SREG); |
| 796 | return res; |
| 797 | } |
| 798 | case kSingle: |
| 799 | case kWord: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 800 | if (ARM_FPREG(r_dest)) { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 801 | opcode = kThumb2Vldrs; |
| 802 | if (displacement <= 1020) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 803 | short_form = true; |
| 804 | encoded_disp >>= 2; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 805 | } |
| 806 | break; |
| 807 | } |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 808 | if (ARM_LOWREG(r_dest) && (rBase == r15pc) && |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 809 | (displacement <= 1020) && (displacement >= 0)) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 810 | short_form = true; |
| 811 | encoded_disp >>= 2; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 812 | opcode = kThumbLdrPcRel; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 813 | } else if (ARM_LOWREG(r_dest) && (rBase == r13sp) && |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 814 | (displacement <= 1020) && (displacement >= 0)) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 815 | short_form = true; |
| 816 | encoded_disp >>= 2; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 817 | opcode = kThumbLdrSpRel; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 818 | } else if (all_low_regs && displacement < 128 && displacement >= 0) { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 819 | DCHECK_EQ((displacement & 0x3), 0); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 820 | short_form = true; |
| 821 | encoded_disp >>= 2; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 822 | opcode = kThumbLdrRRI5; |
| 823 | } else if (thumb2Form) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 824 | short_form = true; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 825 | opcode = kThumb2LdrRRI12; |
| 826 | } |
| 827 | break; |
| 828 | case kUnsignedHalf: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 829 | if (all_low_regs && displacement < 64 && displacement >= 0) { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 830 | DCHECK_EQ((displacement & 0x1), 0); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 831 | short_form = true; |
| 832 | encoded_disp >>= 1; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 833 | opcode = kThumbLdrhRRI5; |
| 834 | } else if (displacement < 4092 && displacement >= 0) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 835 | short_form = true; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 836 | opcode = kThumb2LdrhRRI12; |
| 837 | } |
| 838 | break; |
| 839 | case kSignedHalf: |
| 840 | if (thumb2Form) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 841 | short_form = true; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 842 | opcode = kThumb2LdrshRRI12; |
| 843 | } |
| 844 | break; |
| 845 | case kUnsignedByte: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 846 | if (all_low_regs && displacement < 32 && displacement >= 0) { |
| 847 | short_form = true; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 848 | opcode = kThumbLdrbRRI5; |
| 849 | } else if (thumb2Form) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 850 | short_form = true; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 851 | opcode = kThumb2LdrbRRI12; |
| 852 | } |
| 853 | break; |
| 854 | case kSignedByte: |
| 855 | if (thumb2Form) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 856 | short_form = true; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 857 | opcode = kThumb2LdrsbRRI12; |
| 858 | } |
| 859 | break; |
| 860 | default: |
buzbee | cbd6d44 | 2012-11-17 14:11:25 -0800 | [diff] [blame] | 861 | LOG(FATAL) << "Bad size: " << size; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 862 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 863 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 864 | if (short_form) { |
| 865 | load = res = NewLIR3(cu, opcode, r_dest, rBase, encoded_disp); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 866 | } else { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 867 | int reg_offset = AllocTemp(cu); |
| 868 | res = LoadConstant(cu, reg_offset, encoded_disp); |
| 869 | load = LoadBaseIndexed(cu, rBase, reg_offset, r_dest, 0, size); |
| 870 | FreeTemp(cu, reg_offset); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 871 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 872 | |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 873 | // TODO: in future may need to differentiate Dalvik accesses w/ spills |
buzbee | f0504cd | 2012-11-13 16:31:10 -0800 | [diff] [blame] | 874 | if (rBase == rARM_SP) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 875 | AnnotateDalvikRegAccess(load, displacement >> 2, true /* is_load */, is64bit); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 876 | } |
| 877 | return load; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 878 | } |
| 879 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 880 | LIR* LoadBaseDisp(CompilationUnit* cu, int rBase, |
| 881 | int displacement, int r_dest, OpSize size, int s_reg) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 882 | { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 883 | return LoadBaseDispBody(cu, rBase, displacement, r_dest, -1, size, |
| 884 | s_reg); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 885 | } |
| 886 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 887 | LIR* LoadBaseDispWide(CompilationUnit* cu, int rBase, |
| 888 | int displacement, int r_dest_lo, int r_dest_hi, int s_reg) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 889 | { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 890 | return LoadBaseDispBody(cu, rBase, displacement, r_dest_lo, r_dest_hi, |
| 891 | kLong, s_reg); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 892 | } |
| 893 | |
| 894 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 895 | LIR* StoreBaseDispBody(CompilationUnit* cu, int rBase, int displacement, |
| 896 | int r_src, int r_src_hi, OpSize size) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 897 | { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 898 | LIR* res, *store; |
| 899 | ArmOpcode opcode = kThumbBkpt; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 900 | bool short_form = false; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 901 | bool thumb2Form = (displacement < 4092 && displacement >= 0); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 902 | bool all_low_regs = (ARM_LOWREG(rBase) && ARM_LOWREG(r_src)); |
| 903 | int encoded_disp = displacement; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 904 | bool is64bit = false; |
| 905 | switch (size) { |
| 906 | case kLong: |
| 907 | case kDouble: |
| 908 | is64bit = true; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 909 | if (!ARM_FPREG(r_src)) { |
| 910 | res = StoreBaseDispBody(cu, rBase, displacement, r_src, -1, kWord); |
| 911 | StoreBaseDispBody(cu, rBase, displacement + 4, r_src_hi, -1, kWord); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 912 | return res; |
| 913 | } |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 914 | if (ARM_SINGLEREG(r_src)) { |
| 915 | DCHECK(ARM_FPREG(r_src_hi)); |
| 916 | r_src = S2d(r_src, r_src_hi); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 917 | } |
| 918 | opcode = kThumb2Vstrd; |
| 919 | if (displacement <= 1020) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 920 | short_form = true; |
| 921 | encoded_disp >>= 2; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 922 | } |
| 923 | break; |
| 924 | case kSingle: |
| 925 | case kWord: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 926 | if (ARM_FPREG(r_src)) { |
| 927 | DCHECK(ARM_SINGLEREG(r_src)); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 928 | opcode = kThumb2Vstrs; |
| 929 | if (displacement <= 1020) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 930 | short_form = true; |
| 931 | encoded_disp >>= 2; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 932 | } |
| 933 | break; |
| 934 | } |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 935 | if (all_low_regs && displacement < 128 && displacement >= 0) { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 936 | DCHECK_EQ((displacement & 0x3), 0); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 937 | short_form = true; |
| 938 | encoded_disp >>= 2; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 939 | opcode = kThumbStrRRI5; |
| 940 | } else if (thumb2Form) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 941 | short_form = true; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 942 | opcode = kThumb2StrRRI12; |
| 943 | } |
| 944 | break; |
| 945 | case kUnsignedHalf: |
| 946 | case kSignedHalf: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 947 | if (all_low_regs && displacement < 64 && displacement >= 0) { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 948 | DCHECK_EQ((displacement & 0x1), 0); |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 949 | short_form = true; |
| 950 | encoded_disp >>= 1; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 951 | opcode = kThumbStrhRRI5; |
| 952 | } else if (thumb2Form) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 953 | short_form = true; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 954 | opcode = kThumb2StrhRRI12; |
| 955 | } |
| 956 | break; |
| 957 | case kUnsignedByte: |
| 958 | case kSignedByte: |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 959 | if (all_low_regs && displacement < 32 && displacement >= 0) { |
| 960 | short_form = true; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 961 | opcode = kThumbStrbRRI5; |
| 962 | } else if (thumb2Form) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 963 | short_form = true; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 964 | opcode = kThumb2StrbRRI12; |
| 965 | } |
| 966 | break; |
| 967 | default: |
buzbee | cbd6d44 | 2012-11-17 14:11:25 -0800 | [diff] [blame] | 968 | LOG(FATAL) << "Bad size: " << size; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 969 | } |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 970 | if (short_form) { |
| 971 | store = res = NewLIR3(cu, opcode, r_src, rBase, encoded_disp); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 972 | } else { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 973 | int r_scratch = AllocTemp(cu); |
| 974 | res = LoadConstant(cu, r_scratch, encoded_disp); |
| 975 | store = StoreBaseIndexed(cu, rBase, r_scratch, r_src, 0, size); |
| 976 | FreeTemp(cu, r_scratch); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 977 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 978 | |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 979 | // TODO: In future, may need to differentiate Dalvik & spill accesses |
buzbee | f0504cd | 2012-11-13 16:31:10 -0800 | [diff] [blame] | 980 | if (rBase == rARM_SP) { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 981 | AnnotateDalvikRegAccess(store, displacement >> 2, false /* is_load */, |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 982 | is64bit); |
| 983 | } |
| 984 | return res; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 985 | } |
| 986 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 987 | LIR* StoreBaseDisp(CompilationUnit* cu, int rBase, int displacement, |
| 988 | int r_src, OpSize size) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 989 | { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 990 | return StoreBaseDispBody(cu, rBase, displacement, r_src, -1, size); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 991 | } |
| 992 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 993 | LIR* StoreBaseDispWide(CompilationUnit* cu, int rBase, int displacement, |
| 994 | int r_src_lo, int r_src_hi) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 995 | { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 996 | return StoreBaseDispBody(cu, rBase, displacement, r_src_lo, r_src_hi, kLong); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 997 | } |
| 998 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 999 | void LoadPair(CompilationUnit* cu, int base, int low_reg, int high_reg) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1000 | { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 1001 | LoadBaseDispWide(cu, base, 0, low_reg, high_reg, INVALID_SREG); |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1002 | } |
| 1003 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 1004 | LIR* FpRegCopy(CompilationUnit* cu, int r_dest, int r_src) |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1005 | { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 1006 | int opcode; |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 1007 | DCHECK_EQ(ARM_DOUBLEREG(r_dest), ARM_DOUBLEREG(r_src)); |
| 1008 | if (ARM_DOUBLEREG(r_dest)) { |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 1009 | opcode = kThumb2Vmovd; |
| 1010 | } else { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 1011 | if (ARM_SINGLEREG(r_dest)) { |
| 1012 | opcode = ARM_SINGLEREG(r_src) ? kThumb2Vmovs : kThumb2Fmsr; |
buzbee | a2ebdd7 | 2012-03-04 14:57:06 -0800 | [diff] [blame] | 1013 | } else { |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 1014 | DCHECK(ARM_SINGLEREG(r_src)); |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 1015 | opcode = kThumb2Fmrs; |
buzbee | a2ebdd7 | 2012-03-04 14:57:06 -0800 | [diff] [blame] | 1016 | } |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 1017 | } |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 1018 | LIR* res = RawLIR(cu, cu->current_dalvik_offset, opcode, r_dest, r_src); |
| 1019 | if (!(cu->disable_opt & (1 << kSafeOptimizations)) && r_dest == r_src) { |
| 1020 | res->flags.is_nop = true; |
Bill Buzbee | a114add | 2012-05-03 15:00:40 -0700 | [diff] [blame] | 1021 | } |
| 1022 | return res; |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1023 | } |
| 1024 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 1025 | LIR* OpThreadMem(CompilationUnit* cu, OpKind op, int thread_offset) |
buzbee | b046e16 | 2012-10-30 15:48:42 -0700 | [diff] [blame] | 1026 | { |
buzbee | 52a77fc | 2012-11-20 19:50:46 -0800 | [diff] [blame] | 1027 | LOG(FATAL) << "Unexpected use of OpThreadMem for Arm"; |
buzbee | b046e16 | 2012-10-30 15:48:42 -0700 | [diff] [blame] | 1028 | return NULL; |
| 1029 | } |
buzbee | 67bf885 | 2011-08-17 17:51:35 -0700 | [diff] [blame] | 1030 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 1031 | LIR* OpMem(CompilationUnit* cu, OpKind op, int rBase, int disp) |
buzbee | b046e16 | 2012-10-30 15:48:42 -0700 | [diff] [blame] | 1032 | { |
buzbee | 52a77fc | 2012-11-20 19:50:46 -0800 | [diff] [blame] | 1033 | LOG(FATAL) << "Unexpected use of OpMem for Arm"; |
buzbee | b046e16 | 2012-10-30 15:48:42 -0700 | [diff] [blame] | 1034 | return NULL; |
| 1035 | } |
| 1036 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 1037 | LIR* StoreBaseIndexedDisp(CompilationUnit *cu, |
| 1038 | int rBase, int r_index, int scale, int displacement, |
| 1039 | int r_src, int r_src_hi, |
| 1040 | OpSize size, int s_reg) |
buzbee | b046e16 | 2012-10-30 15:48:42 -0700 | [diff] [blame] | 1041 | { |
buzbee | 52a77fc | 2012-11-20 19:50:46 -0800 | [diff] [blame] | 1042 | LOG(FATAL) << "Unexpected use of StoreBaseIndexedDisp for Arm"; |
buzbee | b046e16 | 2012-10-30 15:48:42 -0700 | [diff] [blame] | 1043 | return NULL; |
| 1044 | } |
| 1045 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 1046 | LIR* OpRegMem(CompilationUnit *cu, OpKind op, int r_dest, int rBase, |
buzbee | b046e16 | 2012-10-30 15:48:42 -0700 | [diff] [blame] | 1047 | int offset) |
| 1048 | { |
buzbee | 52a77fc | 2012-11-20 19:50:46 -0800 | [diff] [blame] | 1049 | LOG(FATAL) << "Unexpected use of OpRegMem for Arm"; |
buzbee | b046e16 | 2012-10-30 15:48:42 -0700 | [diff] [blame] | 1050 | return NULL; |
| 1051 | } |
| 1052 | |
buzbee | fa57c47 | 2012-11-21 12:06:18 -0800 | [diff] [blame^] | 1053 | LIR* LoadBaseIndexedDisp(CompilationUnit *cu, |
| 1054 | int rBase, int r_index, int scale, int displacement, |
| 1055 | int r_dest, int r_dest_hi, |
| 1056 | OpSize size, int s_reg) |
buzbee | b046e16 | 2012-10-30 15:48:42 -0700 | [diff] [blame] | 1057 | { |
buzbee | 52a77fc | 2012-11-20 19:50:46 -0800 | [diff] [blame] | 1058 | LOG(FATAL) << "Unexpected use of LoadBaseIndexedDisp for Arm"; |
buzbee | b046e16 | 2012-10-30 15:48:42 -0700 | [diff] [blame] | 1059 | return NULL; |
| 1060 | } |
Elliott Hughes | 11d1b0c | 2012-01-23 16:57:47 -0800 | [diff] [blame] | 1061 | |
| 1062 | } // namespace art |