Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [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 | |
| 17 | #include "arm64_lir.h" |
| 18 | #include "codegen_arm64.h" |
| 19 | #include "dex/quick/mir_to_lir-inl.h" |
| 20 | |
| 21 | namespace art { |
| 22 | |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 23 | // The macros below are exclusively used in the encoding map. |
| 24 | |
| 25 | // Most generic way of providing two variants for one instructions. |
| 26 | #define CUSTOM_VARIANTS(variant1, variant2) variant1, variant2 |
| 27 | |
| 28 | // Used for instructions which do not have a wide variant. |
| 29 | #define NO_VARIANTS(variant) \ |
| 30 | CUSTOM_VARIANTS(variant, 0) |
| 31 | |
| 32 | // Used for instructions which have a wide variant with the sf bit set to 1. |
| 33 | #define SF_VARIANTS(sf0_skeleton) \ |
| 34 | CUSTOM_VARIANTS(sf0_skeleton, (sf0_skeleton | 0x80000000)) |
| 35 | |
| 36 | // Used for instructions which have a wide variant with the size bits set to either x0 or x1. |
| 37 | #define SIZE_VARIANTS(sizex0_skeleton) \ |
| 38 | CUSTOM_VARIANTS(sizex0_skeleton, (sizex0_skeleton | 0x40000000)) |
| 39 | |
| 40 | // Used for instructions which have a wide variant with the sf and n bits set to 1. |
| 41 | #define SF_N_VARIANTS(sf0_n0_skeleton) \ |
| 42 | CUSTOM_VARIANTS(sf0_n0_skeleton, (sf0_n0_skeleton | 0x80400000)) |
| 43 | |
| 44 | // Used for FP instructions which have a single and double precision variants, with he type bits set |
| 45 | // to either 00 or 01. |
| 46 | #define FLOAT_VARIANTS(type00_skeleton) \ |
| 47 | CUSTOM_VARIANTS(type00_skeleton, (type00_skeleton | 0x00400000)) |
| 48 | |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 49 | /* |
| 50 | * opcode: ArmOpcode enum |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 51 | * variants: instruction skeletons supplied via CUSTOM_VARIANTS or derived macros. |
| 52 | * a{n}k: key to applying argument {n} \ |
| 53 | * a{n}s: argument {n} start bit position | n = 0, 1, 2, 3 |
| 54 | * a{n}e: argument {n} end bit position / |
| 55 | * flags: instruction attributes (used in optimization) |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 56 | * name: mnemonic name |
| 57 | * fmt: for pretty-printing |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 58 | * fixup: used for second-pass fixes (e.g. adresses fixups in branch instructions). |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 59 | */ |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 60 | #define ENCODING_MAP(opcode, variants, a0k, a0s, a0e, a1k, a1s, a1e, a2k, a2s, a2e, \ |
| 61 | a3k, a3s, a3e, flags, name, fmt, fixup) \ |
| 62 | {variants, {{a0k, a0s, a0e}, {a1k, a1s, a1e}, {a2k, a2s, a2e}, \ |
| 63 | {a3k, a3s, a3e}}, opcode, flags, name, fmt, 4, fixup} |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 64 | |
| 65 | /* Instruction dump string format keys: !pf, where "!" is the start |
| 66 | * of the key, "p" is which numeric operand to use and "f" is the |
| 67 | * print format. |
| 68 | * |
| 69 | * [p]ositions: |
| 70 | * 0 -> operands[0] (dest) |
| 71 | * 1 -> operands[1] (src1) |
| 72 | * 2 -> operands[2] (src2) |
| 73 | * 3 -> operands[3] (extra) |
| 74 | * |
| 75 | * [f]ormats: |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 76 | * d -> decimal |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 77 | * D -> decimal*4 or decimal*8 depending on the instruction width |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 78 | * E -> decimal*4 |
| 79 | * F -> decimal*2 |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 80 | * G -> ", lsl #2" or ", lsl #3" depending on the instruction width |
| 81 | * c -> branch condition (eq, ne, etc.) |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 82 | * t -> pc-relative target |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 83 | * p -> pc-relative address |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 84 | * s -> single precision floating point register |
| 85 | * S -> double precision floating point register |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 86 | * f -> single or double precision register (depending on instruction width) |
| 87 | * I -> 8-bit immediate floating point number |
| 88 | * l -> logical immediate |
| 89 | * M -> 16-bit shift expression ("" or ", lsl #16" or ", lsl #32"...) |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 90 | * B -> dmb option string (sy, st, ish, ishst, nsh, hshst) |
| 91 | * H -> operand shift |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 92 | * T -> register shift (either ", lsl #0" or ", lsl #12") |
| 93 | * e -> register extend (e.g. uxtb #1) |
| 94 | * o -> register shift (e.g. lsl #1) for Word registers |
| 95 | * w -> word (32-bit) register wn, or wzr |
| 96 | * W -> word (32-bit) register wn, or wsp |
| 97 | * x -> extended (64-bit) register xn, or xzr |
| 98 | * X -> extended (64-bit) register xn, or sp |
| 99 | * r -> register with same width as instruction, r31 -> wzr, xzr |
| 100 | * R -> register with same width as instruction, r31 -> wsp, sp |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 101 | * |
| 102 | * [!] escape. To insert "!", use "!!" |
| 103 | */ |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 104 | /* NOTE: must be kept in sync with enum ArmOpcode from arm64_lir.h */ |
| 105 | const ArmEncodingMap Arm64Mir2Lir::EncodingMap[kA64Last] = { |
| 106 | ENCODING_MAP(WIDE(kA64Adc3rrr), SF_VARIANTS(0x1a000000), |
| 107 | kFmtRegR, 4, 0, kFmtRegR, 9, 5, kFmtRegR, 20, 16, |
| 108 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, |
| 109 | "adc", "!0r, !1r, !2r", kFixupNone), |
| 110 | ENCODING_MAP(WIDE(kA64Add4RRdT), SF_VARIANTS(0x11000000), |
| 111 | kFmtRegROrSp, 4, 0, kFmtRegROrSp, 9, 5, kFmtBitBlt, 21, 10, |
| 112 | kFmtBitBlt, 23, 22, IS_QUAD_OP | REG_DEF0_USE1, |
| 113 | "add", "!0R, !1R, #!2d!3T", kFixupNone), |
| 114 | ENCODING_MAP(WIDE(kA64Add4rrro), SF_VARIANTS(0x0b000000), |
| 115 | kFmtRegR, 4, 0, kFmtRegR, 9, 5, kFmtRegR, 20, 16, |
| 116 | kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE1, |
| 117 | "add", "!0r, !1r, !2r!3o", kFixupNone), |
| 118 | // Note: adr is binary, but declared as tertiary. The third argument is used while doing the |
| 119 | // fixups and contains information to identify the adr label. |
| 120 | ENCODING_MAP(kA64Adr2xd, NO_VARIANTS(0x10000000), |
| 121 | kFmtRegX, 4, 0, kFmtImm21, -1, -1, kFmtUnused, -1, -1, |
| 122 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0 | NEEDS_FIXUP, |
| 123 | "adr", "!0x, #!1d", kFixupAdr), |
| 124 | ENCODING_MAP(WIDE(kA64And3Rrl), SF_VARIANTS(0x12000000), |
| 125 | kFmtRegROrSp, 4, 0, kFmtRegR, 9, 5, kFmtBitBlt, 22, 10, |
| 126 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, |
| 127 | "and", "!0R, !1r, #!2l", kFixupNone), |
| 128 | ENCODING_MAP(WIDE(kA64And4rrro), SF_VARIANTS(0x0a000000), |
| 129 | kFmtRegR, 4, 0, kFmtRegR, 9, 5, kFmtRegR, 20, 16, |
| 130 | kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12, |
| 131 | "and", "!0r, !1r, !2r!3o", kFixupNone), |
| 132 | ENCODING_MAP(WIDE(kA64Asr3rrd), CUSTOM_VARIANTS(0x13007c00, 0x9340fc00), |
| 133 | kFmtRegR, 4, 0, kFmtRegR, 9, 5, kFmtBitBlt, 21, 16, |
| 134 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, |
| 135 | "asr", "!0r, !1r, #!2d", kFixupNone), |
| 136 | ENCODING_MAP(WIDE(kA64Asr3rrr), SF_VARIANTS(0x1ac02800), |
| 137 | kFmtRegR, 4, 0, kFmtRegR, 9, 5, kFmtRegR, 20, 16, |
| 138 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, |
| 139 | "asr", "!0r, !1r, !2r", kFixupNone), |
| 140 | ENCODING_MAP(kA64B2ct, NO_VARIANTS(0x54000000), |
| 141 | kFmtBitBlt, 3, 0, kFmtBitBlt, 23, 5, kFmtUnused, -1, -1, |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 142 | kFmtUnused, -1, -1, IS_BINARY_OP | IS_BRANCH | USES_CCODES | |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 143 | NEEDS_FIXUP, "b.!0c", "!1t", kFixupCondBranch), |
| 144 | ENCODING_MAP(kA64Blr1x, NO_VARIANTS(0xd63f0000), |
| 145 | kFmtRegX, 9, 5, kFmtUnused, -1, -1, kFmtUnused, -1, -1, |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 146 | kFmtUnused, -1, -1, |
| 147 | IS_UNARY_OP | REG_USE0 | IS_BRANCH | REG_DEF_LR, |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 148 | "blr", "!0x", kFixupNone), |
| 149 | ENCODING_MAP(kA64Br1x, NO_VARIANTS(0xd61f0000), |
| 150 | kFmtRegX, 9, 5, kFmtUnused, -1, -1, kFmtUnused, -1, -1, |
| 151 | kFmtUnused, -1, -1, IS_UNARY_OP | REG_USE0 | IS_BRANCH, |
| 152 | "br", "!0x", kFixupNone), |
| 153 | ENCODING_MAP(kA64Brk1d, NO_VARIANTS(0xd4200000), |
| 154 | kFmtBitBlt, 20, 5, kFmtUnused, -1, -1, kFmtUnused, -1, -1, |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 155 | kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH, |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 156 | "brk", "!0d", kFixupNone), |
| 157 | ENCODING_MAP(kA64B1t, NO_VARIANTS(0x14000000), |
| 158 | kFmtBitBlt, 25, 0, kFmtUnused, -1, -1, kFmtUnused, -1, -1, |
| 159 | kFmtUnused, -1, -1, IS_UNARY_OP | IS_BRANCH | NEEDS_FIXUP, |
| 160 | "b", "!0t", kFixupT1Branch), |
| 161 | ENCODING_MAP(WIDE(kA64Cbnz2rt), SF_VARIANTS(0x35000000), |
| 162 | kFmtRegR, 4, 0, kFmtBitBlt, 23, 5, kFmtUnused, -1, -1, |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 163 | kFmtUnused, -1, -1, |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 164 | IS_BINARY_OP | REG_USE0 | IS_BRANCH | NEEDS_FIXUP, |
| 165 | "cbnz", "!0r, !1t", kFixupCBxZ), |
| 166 | ENCODING_MAP(WIDE(kA64Cbz2rt), SF_VARIANTS(0x34000000), |
| 167 | kFmtRegR, 4, 0, kFmtBitBlt, 23, 5, kFmtUnused, -1, -1, |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 168 | kFmtUnused, -1, -1, |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 169 | IS_BINARY_OP | REG_USE0 | IS_BRANCH | NEEDS_FIXUP, |
| 170 | "cbz", "!0r, !1t", kFixupCBxZ), |
Matteo Franchin | bc6d197 | 2014-05-13 12:33:28 +0100 | [diff] [blame] | 171 | ENCODING_MAP(WIDE(kA64Cmn3rro), SF_VARIANTS(0x2b00001f), |
| 172 | kFmtRegR, 9, 5, kFmtRegR, 20, 16, kFmtShift, -1, -1, |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 173 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | SETS_CCODES, |
Matteo Franchin | bc6d197 | 2014-05-13 12:33:28 +0100 | [diff] [blame] | 174 | "cmn", "!0r, !1r!2o", kFixupNone), |
| 175 | ENCODING_MAP(WIDE(kA64Cmn3Rre), SF_VARIANTS(0x2b20001f), |
| 176 | kFmtRegROrSp, 9, 5, kFmtRegR, 20, 16, kFmtExtend, -1, -1, |
| 177 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | SETS_CCODES, |
| 178 | "cmn", "!0R, !1r!2e", kFixupNone), |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 179 | ENCODING_MAP(WIDE(kA64Cmn3RdT), SF_VARIANTS(0x3100001f), |
| 180 | kFmtRegROrSp, 9, 5, kFmtBitBlt, 21, 10, kFmtBitBlt, 23, 22, |
| 181 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE0 | SETS_CCODES, |
| 182 | "cmn", "!0R, #!1d!2T", kFixupNone), |
Matteo Franchin | bc6d197 | 2014-05-13 12:33:28 +0100 | [diff] [blame] | 183 | ENCODING_MAP(WIDE(kA64Cmp3rro), SF_VARIANTS(0x6b00001f), |
| 184 | kFmtRegR, 9, 5, kFmtRegR, 20, 16, kFmtShift, -1, -1, |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 185 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | SETS_CCODES, |
Matteo Franchin | bc6d197 | 2014-05-13 12:33:28 +0100 | [diff] [blame] | 186 | "cmp", "!0r, !1r!2o", kFixupNone), |
| 187 | ENCODING_MAP(WIDE(kA64Cmp3Rre), SF_VARIANTS(0x6b20001f), |
| 188 | kFmtRegROrSp, 9, 5, kFmtRegR, 20, 16, kFmtExtend, -1, -1, |
| 189 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | SETS_CCODES, |
| 190 | "cmp", "!0R, !1r!2e", kFixupNone), |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 191 | ENCODING_MAP(WIDE(kA64Cmp3RdT), SF_VARIANTS(0x7100001f), |
| 192 | kFmtRegROrSp, 9, 5, kFmtBitBlt, 21, 10, kFmtBitBlt, 23, 22, |
| 193 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE0 | SETS_CCODES, |
| 194 | "cmp", "!0R, #!1d!2T", kFixupNone), |
| 195 | ENCODING_MAP(WIDE(kA64Csel4rrrc), SF_VARIANTS(0x1a800000), |
| 196 | kFmtRegR, 4, 0, kFmtRegR, 9, 5, kFmtRegR, 20, 16, |
| 197 | kFmtBitBlt, 15, 12, IS_QUAD_OP | REG_DEF0_USE12 | USES_CCODES, |
| 198 | "csel", "!0r, !1r, !2r, !3c", kFixupNone), |
| 199 | ENCODING_MAP(WIDE(kA64Csinc4rrrc), SF_VARIANTS(0x1a800400), |
| 200 | kFmtRegR, 4, 0, kFmtRegR, 9, 5, kFmtRegR, 20, 16, |
| 201 | kFmtBitBlt, 15, 12, IS_QUAD_OP | REG_DEF0_USE12 | USES_CCODES, |
| 202 | "csinc", "!0r, !1r, !2r, !3c", kFixupNone), |
| 203 | ENCODING_MAP(WIDE(kA64Csneg4rrrc), SF_VARIANTS(0x5a800400), |
| 204 | kFmtRegR, 4, 0, kFmtRegR, 9, 5, kFmtRegR, 20, 16, |
| 205 | kFmtBitBlt, 15, 12, IS_QUAD_OP | REG_DEF0_USE12 | USES_CCODES, |
| 206 | "csneg", "!0r, !1r, !2r, !3c", kFixupNone), |
| 207 | ENCODING_MAP(kA64Dmb1B, NO_VARIANTS(0xd50330bf), |
| 208 | kFmtBitBlt, 11, 8, kFmtUnused, -1, -1, kFmtUnused, -1, -1, |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 209 | kFmtUnused, -1, -1, IS_UNARY_OP, |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 210 | "dmb", "#!0B", kFixupNone), |
| 211 | ENCODING_MAP(WIDE(kA64Eor3Rrl), SF_VARIANTS(0x52000000), |
| 212 | kFmtRegROrSp, 4, 0, kFmtRegR, 9, 5, kFmtBitBlt, 22, 10, |
| 213 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, |
| 214 | "eor", "!0R, !1r, #!2l", kFixupNone), |
| 215 | ENCODING_MAP(WIDE(kA64Eor4rrro), SF_VARIANTS(0x4a000000), |
| 216 | kFmtRegR, 4, 0, kFmtRegR, 9, 5, kFmtRegR, 20, 16, |
| 217 | kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12, |
| 218 | "eor", "!0r, !1r, !2r!3o", kFixupNone), |
| 219 | ENCODING_MAP(WIDE(kA64Extr4rrrd), SF_N_VARIANTS(0x13800000), |
| 220 | kFmtRegR, 4, 0, kFmtRegR, 9, 5, kFmtRegR, 20, 16, |
| 221 | kFmtBitBlt, 15, 10, IS_QUAD_OP | REG_DEF0_USE12, |
| 222 | "extr", "!0r, !1r, !2r, #!3d", kFixupNone), |
| 223 | ENCODING_MAP(FWIDE(kA64Fabs2ff), FLOAT_VARIANTS(0x1e20c000), |
| 224 | kFmtRegF, 4, 0, kFmtRegF, 9, 5, kFmtUnused, -1, -1, |
| 225 | kFmtUnused, -1, -1, IS_BINARY_OP| REG_DEF0_USE1, |
| 226 | "fabs", "!0f, !1f", kFixupNone), |
| 227 | ENCODING_MAP(FWIDE(kA64Fadd3fff), FLOAT_VARIANTS(0x1e202800), |
| 228 | kFmtRegF, 4, 0, kFmtRegF, 9, 5, kFmtRegF, 20, 16, |
| 229 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, |
| 230 | "fadd", "!0f, !1f, !2f", kFixupNone), |
| 231 | ENCODING_MAP(FWIDE(kA64Fcmp1f), FLOAT_VARIANTS(0x1e202008), |
| 232 | kFmtRegF, 9, 5, kFmtUnused, -1, -1, kFmtUnused, -1, -1, |
| 233 | kFmtUnused, -1, -1, IS_UNARY_OP | REG_USE0 | SETS_CCODES, |
| 234 | "fcmp", "!0f, #0", kFixupNone), |
| 235 | ENCODING_MAP(FWIDE(kA64Fcmp2ff), FLOAT_VARIANTS(0x1e202000), |
| 236 | kFmtRegF, 9, 5, kFmtRegF, 20, 16, kFmtUnused, -1, -1, |
| 237 | kFmtUnused, -1, -1, IS_BINARY_OP | REG_USE01 | SETS_CCODES, |
| 238 | "fcmp", "!0f, !1f", kFixupNone), |
| 239 | ENCODING_MAP(FWIDE(kA64Fcvtzs2wf), FLOAT_VARIANTS(0x1e380000), |
| 240 | kFmtRegW, 4, 0, kFmtRegF, 9, 5, kFmtUnused, -1, -1, |
| 241 | kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, |
| 242 | "fcvtzs", "!0w, !1f", kFixupNone), |
| 243 | ENCODING_MAP(FWIDE(kA64Fcvtzs2xf), FLOAT_VARIANTS(0x9e380000), |
| 244 | kFmtRegX, 4, 0, kFmtRegF, 9, 5, kFmtUnused, -1, -1, |
| 245 | kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, |
| 246 | "fcvtzs", "!0x, !1f", kFixupNone), |
| 247 | ENCODING_MAP(kA64Fcvt2Ss, NO_VARIANTS(0x1e22C000), |
| 248 | kFmtRegD, 4, 0, kFmtRegS, 9, 5, kFmtUnused, -1, -1, |
| 249 | kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, |
| 250 | "fcvt", "!0S, !1s", kFixupNone), |
| 251 | ENCODING_MAP(kA64Fcvt2sS, NO_VARIANTS(0x1e624000), |
| 252 | kFmtRegS, 4, 0, kFmtRegD, 9, 5, kFmtUnused, -1, -1, |
| 253 | kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, |
| 254 | "fcvt", "!0s, !1S", kFixupNone), |
| 255 | ENCODING_MAP(FWIDE(kA64Fdiv3fff), FLOAT_VARIANTS(0x1e201800), |
| 256 | kFmtRegF, 4, 0, kFmtRegF, 9, 5, kFmtRegF, 20, 16, |
| 257 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, |
| 258 | "fdiv", "!0f, !1f, !2f", kFixupNone), |
| 259 | ENCODING_MAP(FWIDE(kA64Fmov2ff), FLOAT_VARIANTS(0x1e204000), |
| 260 | kFmtRegF, 4, 0, kFmtRegF, 9, 5, kFmtUnused, -1, -1, |
| 261 | kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, |
| 262 | "fmov", "!0f, !1f", kFixupNone), |
| 263 | ENCODING_MAP(FWIDE(kA64Fmov2fI), FLOAT_VARIANTS(0x1e201000), |
| 264 | kFmtRegF, 4, 0, kFmtBitBlt, 20, 13, kFmtUnused, -1, -1, |
| 265 | kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0, |
| 266 | "fmov", "!0f, #!1I", kFixupNone), |
| 267 | ENCODING_MAP(kA64Fmov2sw, NO_VARIANTS(0x1e270000), |
| 268 | kFmtRegS, 4, 0, kFmtRegW, 9, 5, kFmtUnused, -1, -1, |
| 269 | kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, |
| 270 | "fmov", "!0s, !1w", kFixupNone), |
| 271 | ENCODING_MAP(kA64Fmov2Sx, NO_VARIANTS(0x9e6f0000), |
| 272 | kFmtRegD, 4, 0, kFmtRegX, 9, 5, kFmtUnused, -1, -1, |
| 273 | kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, |
| 274 | "fmov", "!0S, !1x", kFixupNone), |
| 275 | ENCODING_MAP(kA64Fmov2ws, NO_VARIANTS(0x1e260000), |
| 276 | kFmtRegW, 4, 0, kFmtRegS, 9, 5, kFmtUnused, -1, -1, |
| 277 | kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, |
| 278 | "fmov", "!0w, !1s", kFixupNone), |
| 279 | ENCODING_MAP(kA64Fmov2xS, NO_VARIANTS(0x9e6e0000), |
| 280 | kFmtRegX, 4, 0, kFmtRegD, 9, 5, kFmtUnused, -1, -1, |
| 281 | kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, |
| 282 | "fmov", "!0x, !1S", kFixupNone), |
| 283 | ENCODING_MAP(FWIDE(kA64Fmul3fff), FLOAT_VARIANTS(0x1e200800), |
| 284 | kFmtRegF, 4, 0, kFmtRegF, 9, 5, kFmtRegF, 20, 16, |
| 285 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, |
| 286 | "fmul", "!0f, !1f, !2f", kFixupNone), |
| 287 | ENCODING_MAP(FWIDE(kA64Fneg2ff), FLOAT_VARIANTS(0x1e214000), |
| 288 | kFmtRegF, 4, 0, kFmtRegF, 9, 5, kFmtUnused, -1, -1, |
| 289 | kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, |
| 290 | "fneg", "!0f, !1f", kFixupNone), |
| 291 | ENCODING_MAP(FWIDE(kA64Frintz2ff), FLOAT_VARIANTS(0x1e25c000), |
| 292 | kFmtRegF, 4, 0, kFmtRegF, 9, 5, kFmtUnused, -1, -1, |
| 293 | kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, |
| 294 | "frintz", "!0f, !1f", kFixupNone), |
| 295 | ENCODING_MAP(FWIDE(kA64Fsqrt2ff), FLOAT_VARIANTS(0x1e61c000), |
| 296 | kFmtRegF, 4, 0, kFmtRegF, 9, 5, kFmtUnused, -1, -1, |
| 297 | kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, |
| 298 | "fsqrt", "!0f, !1f", kFixupNone), |
| 299 | ENCODING_MAP(FWIDE(kA64Fsub3fff), FLOAT_VARIANTS(0x1e203800), |
| 300 | kFmtRegF, 4, 0, kFmtRegF, 9, 5, kFmtRegF, 20, 16, |
| 301 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, |
| 302 | "fsub", "!0f, !1f, !2f", kFixupNone), |
| 303 | ENCODING_MAP(kA64Ldrb3wXd, NO_VARIANTS(0x39400000), |
| 304 | kFmtRegW, 4, 0, kFmtRegXOrSp, 9, 5, kFmtBitBlt, 21, 10, |
| 305 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, |
| 306 | "ldrb", "!0w, [!1X, #!2d]", kFixupNone), |
| 307 | ENCODING_MAP(kA64Ldrb3wXx, NO_VARIANTS(0x38606800), |
| 308 | kFmtRegW, 4, 0, kFmtRegXOrSp, 9, 5, kFmtRegX, 20, 16, |
| 309 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD, |
| 310 | "ldrb", "!0w, [!1X, !2x]", kFixupNone), |
| 311 | ENCODING_MAP(WIDE(kA64Ldrsb3rXd), CUSTOM_VARIANTS(0x39c00000, 0x39800000), |
| 312 | kFmtRegR, 4, 0, kFmtRegXOrSp, 9, 5, kFmtBitBlt, 21, 10, |
| 313 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, |
| 314 | "ldrsb", "!0r, [!1X, #!2d]", kFixupNone), |
| 315 | ENCODING_MAP(WIDE(kA64Ldrsb3rXx), CUSTOM_VARIANTS(0x38e06800, 0x38a06800), |
| 316 | kFmtRegR, 4, 0, kFmtRegXOrSp, 9, 5, kFmtRegX, 20, 16, |
| 317 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_LOAD, |
| 318 | "ldrsb", "!0r, [!1X, !2x]", kFixupNone), |
| 319 | ENCODING_MAP(kA64Ldrh3wXF, NO_VARIANTS(0x79400000), |
| 320 | kFmtRegW, 4, 0, kFmtRegXOrSp, 9, 5, kFmtBitBlt, 21, 10, |
| 321 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, |
| 322 | "ldrh", "!0w, [!1X, #!2F]", kFixupNone), |
| 323 | ENCODING_MAP(kA64Ldrh4wXxd, NO_VARIANTS(0x78606800), |
| 324 | kFmtRegW, 4, 0, kFmtRegXOrSp, 9, 5, kFmtRegX, 20, 16, |
| 325 | kFmtBitBlt, 12, 12, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD, |
| 326 | "ldrh", "!0w, [!1X, !2x, lsl #!3d]", kFixupNone), |
| 327 | ENCODING_MAP(WIDE(kA64Ldrsh3rXF), CUSTOM_VARIANTS(0x79c00000, 0x79800000), |
| 328 | kFmtRegR, 4, 0, kFmtRegXOrSp, 9, 5, kFmtBitBlt, 21, 10, |
| 329 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, |
| 330 | "ldrsh", "!0r, [!1X, #!2F]", kFixupNone), |
| 331 | ENCODING_MAP(WIDE(kA64Ldrsh4rXxd), CUSTOM_VARIANTS(0x78e06800, 0x78906800), |
| 332 | kFmtRegR, 4, 0, kFmtRegXOrSp, 9, 5, kFmtRegX, 20, 16, |
| 333 | kFmtBitBlt, 12, 12, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD, |
| 334 | "ldrsh", "!0r, [!1X, !2x, lsl #!3d]", kFixupNone), |
| 335 | ENCODING_MAP(FWIDE(kA64Ldr2fp), SIZE_VARIANTS(0x1c000000), |
| 336 | kFmtRegF, 4, 0, kFmtBitBlt, 23, 5, kFmtUnused, -1, -1, |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 337 | kFmtUnused, -1, -1, |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 338 | IS_BINARY_OP | REG_DEF0 | REG_USE_PC | IS_LOAD | NEEDS_FIXUP, |
| 339 | "ldr", "!0f, !1p", kFixupLoad), |
| 340 | ENCODING_MAP(WIDE(kA64Ldr2rp), SIZE_VARIANTS(0x18000000), |
| 341 | kFmtRegR, 4, 0, kFmtBitBlt, 23, 5, kFmtUnused, -1, -1, |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 342 | kFmtUnused, -1, -1, |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 343 | IS_BINARY_OP | REG_DEF0 | REG_USE_PC | IS_LOAD | NEEDS_FIXUP, |
| 344 | "ldr", "!0r, !1p", kFixupLoad), |
| 345 | ENCODING_MAP(FWIDE(kA64Ldr3fXD), SIZE_VARIANTS(0xbd400000), |
| 346 | kFmtRegF, 4, 0, kFmtRegXOrSp, 9, 5, kFmtBitBlt, 21, 10, |
| 347 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, |
| 348 | "ldr", "!0f, [!1X, #!2D]", kFixupNone), |
| 349 | ENCODING_MAP(WIDE(kA64Ldr3rXD), SIZE_VARIANTS(0xb9400000), |
| 350 | kFmtRegR, 4, 0, kFmtRegXOrSp, 9, 5, kFmtBitBlt, 21, 10, |
| 351 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, |
| 352 | "ldr", "!0r, [!1X, #!2D]", kFixupNone), |
| 353 | ENCODING_MAP(FWIDE(kA64Ldr4fXxG), SIZE_VARIANTS(0xbc606800), |
| 354 | kFmtRegF, 4, 0, kFmtRegXOrSp, 9, 5, kFmtRegX, 20, 16, |
| 355 | kFmtBitBlt, 12, 12, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD, |
| 356 | "ldr", "!0f, [!1X, !2x!3G]", kFixupNone), |
| 357 | ENCODING_MAP(WIDE(kA64Ldr4rXxG), SIZE_VARIANTS(0xb8606800), |
| 358 | kFmtRegR, 4, 0, kFmtRegXOrSp, 9, 5, kFmtRegX, 20, 16, |
| 359 | kFmtBitBlt, 12, 12, IS_QUAD_OP | REG_DEF0_USE12 | IS_LOAD, |
| 360 | "ldr", "!0r, [!1X, !2x!3G]", kFixupNone), |
| 361 | ENCODING_MAP(WIDE(kA64LdrPost3rXd), SIZE_VARIANTS(0xb8400400), |
| 362 | kFmtRegR, 4, 0, kFmtRegXOrSp, 9, 5, kFmtBitBlt, 20, 12, |
| 363 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF01 | REG_USE1 | IS_LOAD, |
| 364 | "ldr", "!0r, [!1X], #!2d", kFixupNone), |
Matteo Franchin | bc6d197 | 2014-05-13 12:33:28 +0100 | [diff] [blame] | 365 | ENCODING_MAP(WIDE(kA64Ldp4ffXD), CUSTOM_VARIANTS(0x2d400000, 0x6d400000), |
| 366 | kFmtRegF, 4, 0, kFmtRegF, 14, 10, kFmtRegXOrSp, 9, 5, |
| 367 | kFmtBitBlt, 21, 15, IS_QUAD_OP | REG_USE2 | REG_DEF01 | IS_LOAD, |
| 368 | "ldp", "!0f, !1f, [!2X, #!3D]", kFixupNone), |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 369 | ENCODING_MAP(WIDE(kA64Ldp4rrXD), SF_VARIANTS(0x29400000), |
| 370 | kFmtRegR, 4, 0, kFmtRegR, 14, 10, kFmtRegXOrSp, 9, 5, |
Matteo Franchin | bc6d197 | 2014-05-13 12:33:28 +0100 | [diff] [blame] | 371 | kFmtBitBlt, 21, 15, IS_QUAD_OP | REG_USE2 | REG_DEF01 | IS_LOAD, |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 372 | "ldp", "!0r, !1r, [!2X, #!3D]", kFixupNone), |
| 373 | ENCODING_MAP(WIDE(kA64LdpPost4rrXD), CUSTOM_VARIANTS(0x28c00000, 0xa8c00000), |
| 374 | kFmtRegR, 4, 0, kFmtRegR, 14, 10, kFmtRegXOrSp, 9, 5, |
| 375 | kFmtBitBlt, 21, 15, IS_QUAD_OP | REG_USE2 | REG_DEF012 | IS_LOAD, |
| 376 | "ldp", "!0r, !1r, [!2X], #!3D", kFixupNone), |
| 377 | ENCODING_MAP(FWIDE(kA64Ldur3fXd), CUSTOM_VARIANTS(0xbc400000, 0xfc400000), |
| 378 | kFmtRegF, 4, 0, kFmtRegXOrSp, 9, 5, kFmtBitBlt, 20, 12, |
| 379 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, |
| 380 | "ldur", "!0f, [!1X, #!2d]", kFixupNone), |
| 381 | ENCODING_MAP(WIDE(kA64Ldur3rXd), SIZE_VARIANTS(0xb8400000), |
| 382 | kFmtRegR, 4, 0, kFmtRegXOrSp, 9, 5, kFmtBitBlt, 20, 12, |
| 383 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | IS_LOAD, |
| 384 | "ldur", "!0r, [!1X, #!2d]", kFixupNone), |
| 385 | ENCODING_MAP(WIDE(kA64Ldxr2rX), SIZE_VARIANTS(0x885f7c00), |
| 386 | kFmtRegR, 4, 0, kFmtRegXOrSp, 9, 5, kFmtUnused, -1, -1, |
| 387 | kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1 | IS_LOAD, |
| 388 | "ldxr", "!0r, [!1X]", kFixupNone), |
| 389 | ENCODING_MAP(WIDE(kA64Lsl3rrr), SF_VARIANTS(0x1ac02000), |
| 390 | kFmtRegR, 4, 0, kFmtRegR, 9, 5, kFmtRegR, 20, 16, |
| 391 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, |
| 392 | "lsl", "!0r, !1r, !2r", kFixupNone), |
| 393 | ENCODING_MAP(WIDE(kA64Lsr3rrd), CUSTOM_VARIANTS(0x53007c00, 0xd340fc00), |
| 394 | kFmtRegR, 4, 0, kFmtRegR, 9, 5, kFmtBitBlt, 21, 16, |
| 395 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, |
| 396 | "lsr", "!0r, !1r, #!2d", kFixupNone), |
| 397 | ENCODING_MAP(WIDE(kA64Lsr3rrr), SF_VARIANTS(0x1ac02400), |
| 398 | kFmtRegR, 4, 0, kFmtRegR, 9, 5, kFmtRegR, 20, 16, |
| 399 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, |
| 400 | "lsr", "!0r, !1r, !2r", kFixupNone), |
| 401 | ENCODING_MAP(WIDE(kA64Movk3rdM), SF_VARIANTS(0x72800000), |
| 402 | kFmtRegR, 4, 0, kFmtBitBlt, 20, 5, kFmtBitBlt, 22, 21, |
| 403 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE0, |
| 404 | "movk", "!0r, #!1d!2M", kFixupNone), |
| 405 | ENCODING_MAP(WIDE(kA64Movn3rdM), SF_VARIANTS(0x12800000), |
| 406 | kFmtRegR, 4, 0, kFmtBitBlt, 20, 5, kFmtBitBlt, 22, 21, |
| 407 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0, |
| 408 | "movn", "!0r, #!1d!2M", kFixupNone), |
| 409 | ENCODING_MAP(WIDE(kA64Movz3rdM), SF_VARIANTS(0x52800000), |
| 410 | kFmtRegR, 4, 0, kFmtBitBlt, 20, 5, kFmtBitBlt, 22, 21, |
| 411 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0, |
| 412 | "movz", "!0r, #!1d!2M", kFixupNone), |
| 413 | ENCODING_MAP(WIDE(kA64Mov2rr), SF_VARIANTS(0x2a0003e0), |
| 414 | kFmtRegR, 4, 0, kFmtRegR, 20, 16, kFmtUnused, -1, -1, |
| 415 | kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, |
| 416 | "mov", "!0r, !1r", kFixupNone), |
| 417 | ENCODING_MAP(WIDE(kA64Mvn2rr), SF_VARIANTS(0x2a2003e0), |
| 418 | kFmtRegR, 4, 0, kFmtRegR, 20, 16, kFmtUnused, -1, -1, |
| 419 | kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, |
| 420 | "mvn", "!0r, !1r", kFixupNone), |
| 421 | ENCODING_MAP(WIDE(kA64Mul3rrr), SF_VARIANTS(0x1b007c00), |
| 422 | kFmtRegR, 4, 0, kFmtRegR, 9, 5, kFmtRegR, 20, 16, |
| 423 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, |
| 424 | "mul", "!0r, !1r, !2r", kFixupNone), |
| 425 | ENCODING_MAP(WIDE(kA64Neg3rro), SF_VARIANTS(0x4b0003e0), |
| 426 | kFmtRegR, 4, 0, kFmtRegR, 20, 16, kFmtShift, -1, -1, |
| 427 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, |
| 428 | "neg", "!0r, !1r!2o", kFixupNone), |
| 429 | ENCODING_MAP(WIDE(kA64Orr3Rrl), SF_VARIANTS(0x32000000), |
| 430 | kFmtRegROrSp, 4, 0, kFmtRegR, 9, 5, kFmtBitBlt, 22, 10, |
| 431 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1, |
| 432 | "orr", "!0R, !1r, #!2l", kFixupNone), |
| 433 | ENCODING_MAP(WIDE(kA64Orr4rrro), SF_VARIANTS(0x2a000000), |
| 434 | kFmtRegR, 4, 0, kFmtRegR, 9, 5, kFmtRegR, 20, 16, |
| 435 | kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12, |
| 436 | "orr", "!0r, !1r, !2r!3o", kFixupNone), |
| 437 | ENCODING_MAP(kA64Ret, NO_VARIANTS(0xd65f03c0), |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 438 | kFmtUnused, -1, -1, kFmtUnused, -1, -1, kFmtUnused, -1, -1, |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 439 | kFmtUnused, -1, -1, NO_OPERAND | IS_BRANCH, |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 440 | "ret", "", kFixupNone), |
| 441 | ENCODING_MAP(WIDE(kA64Rev2rr), CUSTOM_VARIANTS(0x5ac00800, 0xdac00c00), |
| 442 | kFmtRegR, 11, 8, kFmtRegR, 19, 16, kFmtUnused, -1, -1, |
| 443 | kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, |
| 444 | "rev", "!0r, !1r", kFixupNone), |
| 445 | ENCODING_MAP(WIDE(kA64Rev162rr), SF_VARIANTS(0xfa90f0b0), |
| 446 | kFmtRegR, 11, 8, kFmtRegR, 19, 16, kFmtUnused, -1, -1, |
| 447 | kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, |
| 448 | "rev16", "!0r, !1r", kFixupNone), |
| 449 | ENCODING_MAP(WIDE(kA64Ror3rrr), SF_VARIANTS(0x1ac02c00), |
| 450 | kFmtRegR, 4, 0, kFmtRegR, 9, 5, kFmtRegR, 20, 16, |
| 451 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, |
| 452 | "ror", "!0r, !1r, !2r", kFixupNone), |
| 453 | ENCODING_MAP(WIDE(kA64Sbc3rrr), SF_VARIANTS(0x5a000000), |
| 454 | kFmtRegR, 4, 0, kFmtRegR, 9, 5, kFmtRegR, 20, 16, |
| 455 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, |
| 456 | "sbc", "!0r, !1r, !2r", kFixupNone), |
| 457 | ENCODING_MAP(WIDE(kA64Sbfm4rrdd), SF_N_VARIANTS(0x13000000), |
| 458 | kFmtRegR, 4, 0, kFmtRegR, 9, 5, kFmtBitBlt, 21, 16, |
| 459 | kFmtBitBlt, 15, 10, IS_QUAD_OP | REG_DEF0_USE1, |
| 460 | "sbfm", "!0r, !1r, #!2d, #!3d", kFixupNone), |
| 461 | ENCODING_MAP(FWIDE(kA64Scvtf2fw), FLOAT_VARIANTS(0x1e220000), |
| 462 | kFmtRegF, 4, 0, kFmtRegW, 9, 5, kFmtUnused, -1, -1, |
| 463 | kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, |
| 464 | "scvtf", "!0f, !1w", kFixupNone), |
| 465 | ENCODING_MAP(FWIDE(kA64Scvtf2fx), FLOAT_VARIANTS(0x9e220000), |
| 466 | kFmtRegF, 4, 0, kFmtRegX, 9, 5, kFmtUnused, -1, -1, |
| 467 | kFmtUnused, -1, -1, IS_BINARY_OP | REG_DEF0_USE1, |
| 468 | "scvtf", "!0f, !1x", kFixupNone), |
| 469 | ENCODING_MAP(WIDE(kA64Sdiv3rrr), SF_VARIANTS(0x1ac00c00), |
| 470 | kFmtRegR, 4, 0, kFmtRegR, 9, 5, kFmtRegR, 20, 16, |
| 471 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12, |
| 472 | "sdiv", "!0r, !1r, !2r", kFixupNone), |
| 473 | ENCODING_MAP(WIDE(kA64Smaddl4xwwx), NO_VARIANTS(0x9b200000), |
| 474 | kFmtRegX, 4, 0, kFmtRegW, 9, 5, kFmtRegW, 20, 16, |
| 475 | kFmtRegX, -1, -1, IS_QUAD_OP | REG_DEF0_USE123, |
| 476 | "smaddl", "!0x, !1w, !2w, !3x", kFixupNone), |
Matteo Franchin | bc6d197 | 2014-05-13 12:33:28 +0100 | [diff] [blame] | 477 | ENCODING_MAP(WIDE(kA64Stp4ffXD), CUSTOM_VARIANTS(0x2d000000, 0x6d000000), |
| 478 | kFmtRegF, 4, 0, kFmtRegF, 14, 10, kFmtRegXOrSp, 9, 5, |
| 479 | kFmtBitBlt, 21, 15, IS_QUAD_OP | REG_USE012 | IS_STORE, |
| 480 | "stp", "!0f, !1f, [!2X, #!3D]", kFixupNone), |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 481 | ENCODING_MAP(WIDE(kA64Stp4rrXD), SF_VARIANTS(0x29000000), |
| 482 | kFmtRegR, 4, 0, kFmtRegR, 14, 10, kFmtRegXOrSp, 9, 5, |
Matteo Franchin | bc6d197 | 2014-05-13 12:33:28 +0100 | [diff] [blame] | 483 | kFmtBitBlt, 21, 15, IS_QUAD_OP | REG_USE012 | IS_STORE, |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 484 | "stp", "!0r, !1r, [!2X, #!3D]", kFixupNone), |
| 485 | ENCODING_MAP(WIDE(kA64StpPost4rrXD), CUSTOM_VARIANTS(0x28800000, 0xa8800000), |
| 486 | kFmtRegR, 4, 0, kFmtRegR, 14, 10, kFmtRegXOrSp, 9, 5, |
| 487 | kFmtBitBlt, 21, 15, IS_QUAD_OP | REG_DEF2 | REG_USE012 | IS_STORE, |
| 488 | "stp", "!0r, !1r, [!2X], #!3D", kFixupNone), |
| 489 | ENCODING_MAP(WIDE(kA64StpPre4rrXD), CUSTOM_VARIANTS(0x29800000, 0xa9800000), |
| 490 | kFmtRegR, 4, 0, kFmtRegR, 14, 10, kFmtRegXOrSp, 9, 5, |
| 491 | kFmtBitBlt, 21, 15, IS_QUAD_OP | REG_DEF2 | REG_USE012 | IS_STORE, |
| 492 | "stp", "!0r, !1r, [!2X, #!3D]!!", kFixupNone), |
| 493 | ENCODING_MAP(FWIDE(kA64Str3fXD), CUSTOM_VARIANTS(0xbd000000, 0xfd000000), |
| 494 | kFmtRegF, 4, 0, kFmtRegXOrSp, 9, 5, kFmtBitBlt, 21, 10, |
| 495 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, |
| 496 | "str", "!0f, [!1X, #!2D]", kFixupNone), |
| 497 | ENCODING_MAP(FWIDE(kA64Str4fXxG), CUSTOM_VARIANTS(0xbc206800, 0xfc206800), |
| 498 | kFmtRegF, 4, 0, kFmtRegXOrSp, 9, 5, kFmtRegX, 20, 16, |
| 499 | kFmtBitBlt, 12, 12, IS_QUAD_OP | REG_USE012 | IS_STORE, |
| 500 | "str", "!0f, [!1X, !2x!3G]", kFixupNone), |
| 501 | ENCODING_MAP(WIDE(kA64Str3rXD), SIZE_VARIANTS(0xb9000000), |
| 502 | kFmtRegR, 4, 0, kFmtRegXOrSp, 9, 5, kFmtBitBlt, 21, 10, |
| 503 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, |
| 504 | "str", "!0r, [!1X, #!2D]", kFixupNone), |
| 505 | ENCODING_MAP(WIDE(kA64Str4rXxG), SIZE_VARIANTS(0xb8206800), |
| 506 | kFmtRegR, 4, 0, kFmtRegXOrSp, 9, 5, kFmtRegX, 20, 16, |
| 507 | kFmtBitBlt, 12, 12, IS_QUAD_OP | REG_USE012 | IS_STORE, |
| 508 | "str", "!0r, [!1X, !2x!3G]", kFixupNone), |
| 509 | ENCODING_MAP(kA64Strb3wXd, NO_VARIANTS(0x39000000), |
| 510 | kFmtRegW, 4, 0, kFmtRegXOrSp, 9, 5, kFmtBitBlt, 21, 10, |
| 511 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, |
| 512 | "strb", "!0w, [!1X, #!2d]", kFixupNone), |
| 513 | ENCODING_MAP(kA64Strb3wXx, NO_VARIANTS(0x38206800), |
| 514 | kFmtRegW, 4, 0, kFmtRegXOrSp, 9, 5, kFmtRegX, 20, 16, |
| 515 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE012 | IS_STORE, |
| 516 | "strb", "!0w, [!1X, !2x]", kFixupNone), |
| 517 | ENCODING_MAP(kA64Strh3wXF, NO_VARIANTS(0x79000000), |
| 518 | kFmtRegW, 4, 0, kFmtRegXOrSp, 9, 5, kFmtBitBlt, 21, 10, |
| 519 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, |
| 520 | "strh", "!0w, [!1X, #!2F]", kFixupNone), |
| 521 | ENCODING_MAP(kA64Strh4wXxd, NO_VARIANTS(0x78206800), |
| 522 | kFmtRegW, 4, 0, kFmtRegXOrSp, 9, 5, kFmtRegX, 20, 16, |
| 523 | kFmtBitBlt, 12, 12, IS_QUAD_OP | REG_USE012 | IS_STORE, |
| 524 | "strh", "!0w, [!1X, !2x, lsl #!3d]", kFixupNone), |
| 525 | ENCODING_MAP(WIDE(kA64StrPost3rXd), SIZE_VARIANTS(0xb8000400), |
| 526 | kFmtRegR, 4, 0, kFmtRegXOrSp, 9, 5, kFmtBitBlt, 20, 12, |
| 527 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | REG_DEF1 | IS_STORE, |
| 528 | "str", "!0r, [!1X], #!2d", kFixupNone), |
| 529 | ENCODING_MAP(FWIDE(kA64Stur3fXd), CUSTOM_VARIANTS(0xbc000000, 0xfc000000), |
| 530 | kFmtRegF, 4, 0, kFmtRegXOrSp, 9, 5, kFmtBitBlt, 20, 12, |
| 531 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, |
| 532 | "stur", "!0f, [!1X, #!2d]", kFixupNone), |
| 533 | ENCODING_MAP(WIDE(kA64Stur3rXd), SIZE_VARIANTS(0xb8000000), |
| 534 | kFmtRegR, 4, 0, kFmtRegXOrSp, 9, 5, kFmtBitBlt, 20, 12, |
| 535 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_USE01 | IS_STORE, |
| 536 | "stur", "!0r, [!1X, #!2d]", kFixupNone), |
| 537 | ENCODING_MAP(WIDE(kA64Stxr3wrX), SIZE_VARIANTS(0x88007c00), |
| 538 | kFmtRegW, 20, 16, kFmtRegR, 4, 0, kFmtRegXOrSp, 9, 5, |
| 539 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE12 | IS_STORE, |
| 540 | "stxr", "!0w, !1r, [!2X]", kFixupNone), |
| 541 | ENCODING_MAP(WIDE(kA64Sub4RRdT), SF_VARIANTS(0x51000000), |
| 542 | kFmtRegROrSp, 4, 0, kFmtRegROrSp, 9, 5, kFmtBitBlt, 21, 10, |
| 543 | kFmtBitBlt, 23, 22, IS_QUAD_OP | REG_DEF0_USE1, |
| 544 | "sub", "!0R, !1R, #!2d!3T", kFixupNone), |
| 545 | ENCODING_MAP(WIDE(kA64Sub4rrro), SF_VARIANTS(0x4b000000), |
| 546 | kFmtRegR, 4, 0, kFmtRegR, 9, 5, kFmtRegR, 20, 16, |
| 547 | kFmtShift, -1, -1, IS_QUAD_OP | REG_DEF0_USE12, |
| 548 | "sub", "!0r, !1r, !2r!3o", kFixupNone), |
| 549 | ENCODING_MAP(WIDE(kA64Subs3rRd), SF_VARIANTS(0x71000000), |
| 550 | kFmtRegR, 4, 0, kFmtRegROrSp, 9, 5, kFmtBitBlt, 21, 10, |
| 551 | kFmtUnused, -1, -1, IS_TERTIARY_OP | REG_DEF0_USE1 | SETS_CCODES, |
| 552 | "subs", "!0r, !1R, #!2d", kFixupNone), |
| 553 | ENCODING_MAP(WIDE(kA64Tst3rro), SF_VARIANTS(0x6a000000), |
| 554 | kFmtRegR, 9, 5, kFmtRegR, 20, 16, kFmtShift, -1, -1, |
| 555 | kFmtUnused, -1, -1, IS_QUAD_OP | REG_USE01 | SETS_CCODES, |
| 556 | "tst", "!0r, !1r!2o", kFixupNone), |
| 557 | ENCODING_MAP(WIDE(kA64Ubfm4rrdd), SF_N_VARIANTS(0x53000000), |
| 558 | kFmtRegR, 4, 0, kFmtRegR, 9, 5, kFmtBitBlt, 21, 16, |
| 559 | kFmtBitBlt, 15, 10, IS_QUAD_OP | REG_DEF0_USE1, |
| 560 | "ubfm", "!0r, !1r, !2d, !3d", kFixupNone), |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 561 | }; |
| 562 | |
| 563 | // new_lir replaces orig_lir in the pcrel_fixup list. |
| 564 | void Arm64Mir2Lir::ReplaceFixup(LIR* prev_lir, LIR* orig_lir, LIR* new_lir) { |
| 565 | new_lir->u.a.pcrel_next = orig_lir->u.a.pcrel_next; |
| 566 | if (UNLIKELY(prev_lir == NULL)) { |
| 567 | first_fixup_ = new_lir; |
| 568 | } else { |
| 569 | prev_lir->u.a.pcrel_next = new_lir; |
| 570 | } |
| 571 | orig_lir->flags.fixup = kFixupNone; |
| 572 | } |
| 573 | |
| 574 | // new_lir is inserted before orig_lir in the pcrel_fixup list. |
| 575 | void Arm64Mir2Lir::InsertFixupBefore(LIR* prev_lir, LIR* orig_lir, LIR* new_lir) { |
| 576 | new_lir->u.a.pcrel_next = orig_lir; |
| 577 | if (UNLIKELY(prev_lir == NULL)) { |
| 578 | first_fixup_ = new_lir; |
| 579 | } else { |
| 580 | DCHECK(prev_lir->u.a.pcrel_next == orig_lir); |
| 581 | prev_lir->u.a.pcrel_next = new_lir; |
| 582 | } |
| 583 | } |
| 584 | |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 585 | /* Nop, used for aligning code. Nop is an alias for hint #0. */ |
| 586 | #define PADDING_NOP (UINT32_C(0xd503201f)) |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 587 | |
| 588 | uint8_t* Arm64Mir2Lir::EncodeLIRs(uint8_t* write_pos, LIR* lir) { |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 589 | for (; lir != nullptr; lir = NEXT_LIR(lir)) { |
| 590 | bool opcode_is_wide = IS_WIDE(lir->opcode); |
| 591 | ArmOpcode opcode = UNWIDE(lir->opcode); |
| 592 | |
| 593 | if (UNLIKELY(IsPseudoLirOp(opcode))) { |
| 594 | continue; |
| 595 | } |
| 596 | |
| 597 | if (LIKELY(!lir->flags.is_nop)) { |
| 598 | const ArmEncodingMap *encoder = &EncodingMap[opcode]; |
| 599 | |
| 600 | // Select the right variant of the skeleton. |
| 601 | uint32_t bits = opcode_is_wide ? encoder->xskeleton : encoder->wskeleton; |
| 602 | DCHECK(!opcode_is_wide || IS_WIDE(encoder->opcode)); |
| 603 | |
| 604 | for (int i = 0; i < 4; i++) { |
| 605 | ArmEncodingKind kind = encoder->field_loc[i].kind; |
| 606 | uint32_t operand = lir->operands[i]; |
| 607 | uint32_t value; |
| 608 | |
| 609 | if (LIKELY(static_cast<unsigned>(kind) <= kFmtBitBlt)) { |
| 610 | // Note: this will handle kFmtReg* and kFmtBitBlt. |
| 611 | |
| 612 | if (static_cast<unsigned>(kind) < kFmtBitBlt) { |
| 613 | bool is_zero = A64_REG_IS_ZR(operand); |
| 614 | |
| 615 | if (kIsDebugBuild) { |
| 616 | // Register usage checks: First establish register usage requirements based on the |
| 617 | // format in `kind'. |
| 618 | bool want_float = false; |
| 619 | bool want_64_bit = false; |
| 620 | bool want_size_match = false; |
| 621 | bool want_zero = false; |
| 622 | switch (kind) { |
| 623 | case kFmtRegX: |
| 624 | want_64_bit = true; |
| 625 | // Intentional fall-through. |
| 626 | case kFmtRegW: |
| 627 | want_size_match = true; |
| 628 | // Intentional fall-through. |
| 629 | case kFmtRegR: |
| 630 | want_zero = true; |
| 631 | break; |
| 632 | case kFmtRegXOrSp: |
| 633 | want_64_bit = true; |
| 634 | // Intentional fall-through. |
| 635 | case kFmtRegWOrSp: |
| 636 | want_size_match = true; |
| 637 | break; |
| 638 | case kFmtRegROrSp: |
| 639 | break; |
| 640 | case kFmtRegD: |
| 641 | want_64_bit = true; |
| 642 | // Intentional fall-through. |
| 643 | case kFmtRegS: |
| 644 | want_size_match = true; |
| 645 | // Intentional fall-through. |
| 646 | case kFmtRegF: |
| 647 | want_float = true; |
| 648 | break; |
| 649 | default: |
| 650 | LOG(FATAL) << "Bad fmt for arg n. " << i << " of " << encoder->name |
| 651 | << " (" << kind << ")"; |
| 652 | break; |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 653 | } |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 654 | |
| 655 | // Now check that the requirements are satisfied. |
Zheng Xu | c830430 | 2014-05-15 17:21:01 +0100 | [diff] [blame] | 656 | RegStorage reg(operand | RegStorage::kValid); |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 657 | const char *expected = nullptr; |
| 658 | if (want_float) { |
| 659 | if (!reg.IsFloat()) { |
| 660 | expected = "float register"; |
| 661 | } else if (want_size_match && (reg.IsDouble() != want_64_bit)) { |
| 662 | expected = (want_64_bit) ? "double register" : "single register"; |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 663 | } |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 664 | } else { |
| 665 | if (reg.IsFloat()) { |
| 666 | expected = "core register"; |
| 667 | } else if (want_size_match && (reg.Is64Bit() != want_64_bit)) { |
| 668 | expected = (want_64_bit) ? "x-register" : "w-register"; |
buzbee | b01bf15 | 2014-05-13 15:59:07 -0700 | [diff] [blame^] | 669 | } else if (reg.GetRegNum() == 31 && is_zero != want_zero) { |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 670 | expected = (want_zero) ? "zero-register" : "sp-register"; |
| 671 | } |
| 672 | } |
| 673 | |
| 674 | // TODO(Arm64): if !want_size_match, then we still should compare the size of the |
| 675 | // register with the size required by the instruction width (kA64Wide). |
| 676 | |
| 677 | // Fail, if `expected' contains an unsatisfied requirement. |
| 678 | if (expected != nullptr) { |
| 679 | // TODO(Arm64): make this FATAL. |
| 680 | LOG(WARNING) << "Bad argument n. " << i << " of " << encoder->name |
| 681 | << ". Expected " << expected << ", got 0x" << std::hex << operand; |
| 682 | } |
| 683 | } |
| 684 | |
| 685 | // TODO(Arm64): this may or may not be necessary, depending on how wzr, xzr are |
| 686 | // defined. |
| 687 | if (is_zero) { |
| 688 | operand = 31; |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 689 | } |
| 690 | } |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 691 | |
| 692 | value = (operand << encoder->field_loc[i].start) & |
| 693 | ((1 << (encoder->field_loc[i].end + 1)) - 1); |
| 694 | bits |= value; |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 695 | } else { |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 696 | switch (kind) { |
| 697 | case kFmtSkip: |
| 698 | break; // Nothing to do, but continue to next. |
| 699 | case kFmtUnused: |
| 700 | i = 4; // Done, break out of the enclosing loop. |
| 701 | break; |
| 702 | case kFmtShift: |
| 703 | // Intentional fallthrough. |
| 704 | case kFmtExtend: |
| 705 | DCHECK_EQ((operand & (1 << 6)) == 0, kind == kFmtShift); |
| 706 | value = (operand & 0x3f) << 10; |
| 707 | value |= ((operand & 0x1c0) >> 6) << 21; |
| 708 | bits |= value; |
| 709 | break; |
| 710 | case kFmtImm21: |
| 711 | value = (operand & 0x3) << 29; |
| 712 | value |= ((operand & 0x1ffffc) >> 2) << 5; |
| 713 | bits |= value; |
| 714 | break; |
| 715 | default: |
| 716 | LOG(FATAL) << "Bad fmt for arg. " << i << " in " << encoder->name |
| 717 | << " (" << kind << ")"; |
| 718 | } |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 719 | } |
| 720 | } |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 721 | |
| 722 | DCHECK_EQ(encoder->size, 4); |
| 723 | write_pos[0] = (bits & 0xff); |
| 724 | write_pos[1] = ((bits >> 8) & 0xff); |
| 725 | write_pos[2] = ((bits >> 16) & 0xff); |
| 726 | write_pos[3] = ((bits >> 24) & 0xff); |
| 727 | write_pos += 4; |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 728 | } |
| 729 | } |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 730 | |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 731 | return write_pos; |
| 732 | } |
| 733 | |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 734 | // Align data offset on 8 byte boundary: it will only contain double-word items, as word immediates |
| 735 | // are better set directly from the code (they will require no more than 2 instructions). |
| 736 | #define ALIGNED_DATA_OFFSET(offset) (((offset) + 0x7) & ~0x7) |
| 737 | |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 738 | // Assemble the LIR into binary instruction format. |
| 739 | void Arm64Mir2Lir::AssembleLIR() { |
| 740 | LIR* lir; |
| 741 | LIR* prev_lir; |
| 742 | cu_->NewTimingSplit("Assemble"); |
| 743 | int assembler_retries = 0; |
| 744 | CodeOffset starting_offset = LinkFixupInsns(first_lir_insn_, last_lir_insn_, 0); |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 745 | data_offset_ = ALIGNED_DATA_OFFSET(starting_offset); |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 746 | int32_t offset_adjustment; |
| 747 | AssignDataOffsets(); |
| 748 | |
| 749 | /* |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 750 | * Note: generation must be 1 on first pass (to distinguish from initialized state of 0 |
| 751 | * for non-visited nodes). Start at zero here, and bit will be flipped to 1 on entry to the loop. |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 752 | */ |
| 753 | int generation = 0; |
| 754 | while (true) { |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 755 | // TODO(Arm64): check whether passes and offset adjustments are really necessary. |
| 756 | // Currently they aren't, as - in the fixups below - LIR are never inserted. |
| 757 | // Things can be different if jump ranges above 1 MB need to be supported. |
| 758 | // If they are not, then we can get rid of the assembler retry logic. |
| 759 | |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 760 | offset_adjustment = 0; |
| 761 | AssemblerStatus res = kSuccess; // Assume success |
| 762 | generation ^= 1; |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 763 | // Note: nodes requiring possible fixup linked in ascending order. |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 764 | lir = first_fixup_; |
| 765 | prev_lir = NULL; |
| 766 | while (lir != NULL) { |
| 767 | /* |
| 768 | * NOTE: the lir being considered here will be encoded following the switch (so long as |
| 769 | * we're not in a retry situation). However, any new non-pc_rel instructions inserted |
| 770 | * due to retry must be explicitly encoded at the time of insertion. Note that |
| 771 | * inserted instructions don't need use/def flags, but do need size and pc-rel status |
| 772 | * properly updated. |
| 773 | */ |
| 774 | lir->offset += offset_adjustment; |
| 775 | // During pass, allows us to tell whether a node has been updated with offset_adjustment yet. |
| 776 | lir->flags.generation = generation; |
| 777 | switch (static_cast<FixupKind>(lir->flags.fixup)) { |
| 778 | case kFixupLabel: |
| 779 | case kFixupNone: |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 780 | case kFixupVLoad: |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 781 | break; |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 782 | case kFixupT1Branch: { |
| 783 | LIR *target_lir = lir->target; |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 784 | DCHECK(target_lir); |
| 785 | CodeOffset pc = lir->offset; |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 786 | CodeOffset target = target_lir->offset + |
| 787 | ((target_lir->flags.generation == lir->flags.generation) ? 0 : offset_adjustment); |
| 788 | int32_t delta = target - pc; |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 789 | if (!((delta & 0x3) == 0 && IS_SIGNED_IMM19(delta >> 2))) { |
| 790 | LOG(FATAL) << "Invalid jump range in kFixupT1Branch"; |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 791 | } |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 792 | lir->operands[0] = delta >> 2; |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 793 | break; |
| 794 | } |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 795 | case kFixupLoad: |
| 796 | case kFixupCBxZ: |
| 797 | case kFixupCondBranch: { |
| 798 | LIR *target_lir = lir->target; |
| 799 | DCHECK(target_lir); |
| 800 | CodeOffset pc = lir->offset; |
| 801 | CodeOffset target = target_lir->offset + |
| 802 | ((target_lir->flags.generation == lir->flags.generation) ? 0 : offset_adjustment); |
| 803 | int32_t delta = target - pc; |
| 804 | if (!((delta & 0x3) == 0 && IS_SIGNED_IMM19(delta >> 2))) { |
| 805 | LOG(FATAL) << "Invalid jump range in kFixupLoad"; |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 806 | } |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 807 | lir->operands[1] = delta >> 2; |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 808 | break; |
| 809 | } |
| 810 | case kFixupAdr: { |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 811 | LIR* target_lir = lir->target; |
| 812 | int32_t delta; |
| 813 | if (target_lir) { |
| 814 | CodeOffset target_offs = ((target_lir->flags.generation == lir->flags.generation) ? |
| 815 | 0 : offset_adjustment) + target_lir->offset; |
| 816 | delta = target_offs - lir->offset; |
| 817 | } else if (lir->operands[2] >= 0) { |
| 818 | EmbeddedData* tab = reinterpret_cast<EmbeddedData*>(UnwrapPointer(lir->operands[2])); |
| 819 | delta = tab->offset + offset_adjustment - lir->offset; |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 820 | } else { |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 821 | // No fixup: this usage allows to retrieve the current PC. |
| 822 | delta = lir->operands[1]; |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 823 | } |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 824 | if (!IS_SIGNED_IMM21(delta)) { |
| 825 | LOG(FATAL) << "Jump range above 1MB in kFixupAdr"; |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 826 | } |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 827 | lir->operands[1] = delta; |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 828 | break; |
| 829 | } |
| 830 | default: |
| 831 | LOG(FATAL) << "Unexpected case " << lir->flags.fixup; |
| 832 | } |
| 833 | prev_lir = lir; |
| 834 | lir = lir->u.a.pcrel_next; |
| 835 | } |
| 836 | |
| 837 | if (res == kSuccess) { |
| 838 | break; |
| 839 | } else { |
| 840 | assembler_retries++; |
| 841 | if (assembler_retries > MAX_ASSEMBLER_RETRIES) { |
| 842 | CodegenDump(); |
| 843 | LOG(FATAL) << "Assembler error - too many retries"; |
| 844 | } |
| 845 | starting_offset += offset_adjustment; |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 846 | data_offset_ = ALIGNED_DATA_OFFSET(starting_offset); |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 847 | AssignDataOffsets(); |
| 848 | } |
| 849 | } |
| 850 | |
| 851 | // Build the CodeBuffer. |
| 852 | DCHECK_LE(data_offset_, total_size_); |
| 853 | code_buffer_.reserve(total_size_); |
| 854 | code_buffer_.resize(starting_offset); |
| 855 | uint8_t* write_pos = &code_buffer_[0]; |
| 856 | write_pos = EncodeLIRs(write_pos, first_lir_insn_); |
| 857 | DCHECK_EQ(static_cast<CodeOffset>(write_pos - &code_buffer_[0]), starting_offset); |
| 858 | |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 859 | DCHECK_EQ(data_offset_, ALIGNED_DATA_OFFSET(code_buffer_.size())); |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 860 | |
| 861 | // Install literals |
| 862 | InstallLiteralPools(); |
| 863 | |
| 864 | // Install switch tables |
| 865 | InstallSwitchTables(); |
| 866 | |
| 867 | // Install fill array data |
| 868 | InstallFillArrayData(); |
| 869 | |
| 870 | // Create the mapping table and native offset to reference map. |
| 871 | cu_->NewTimingSplit("PcMappingTable"); |
| 872 | CreateMappingTables(); |
| 873 | |
| 874 | cu_->NewTimingSplit("GcMap"); |
| 875 | CreateNativeGcMap(); |
| 876 | } |
| 877 | |
| 878 | int Arm64Mir2Lir::GetInsnSize(LIR* lir) { |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 879 | ArmOpcode opcode = UNWIDE(lir->opcode); |
| 880 | DCHECK(!IsPseudoLirOp(opcode)); |
| 881 | return EncodingMap[opcode].size; |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 882 | } |
| 883 | |
| 884 | // Encode instruction bit pattern and assign offsets. |
| 885 | uint32_t Arm64Mir2Lir::LinkFixupInsns(LIR* head_lir, LIR* tail_lir, uint32_t offset) { |
| 886 | LIR* end_lir = tail_lir->next; |
| 887 | |
| 888 | LIR* last_fixup = NULL; |
| 889 | for (LIR* lir = head_lir; lir != end_lir; lir = NEXT_LIR(lir)) { |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 890 | ArmOpcode opcode = UNWIDE(lir->opcode); |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 891 | if (!lir->flags.is_nop) { |
| 892 | if (lir->flags.fixup != kFixupNone) { |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 893 | if (!IsPseudoLirOp(opcode)) { |
| 894 | lir->flags.size = EncodingMap[opcode].size; |
| 895 | lir->flags.fixup = EncodingMap[opcode].fixup; |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 896 | } else { |
Matteo Franchin | e45fb9e | 2014-05-06 10:10:30 +0100 | [diff] [blame] | 897 | DCHECK_NE(static_cast<int>(opcode), kPseudoPseudoAlign4); |
Matteo Franchin | 43ec873 | 2014-03-31 15:00:14 +0100 | [diff] [blame] | 898 | lir->flags.size = 0; |
| 899 | lir->flags.fixup = kFixupLabel; |
| 900 | } |
| 901 | // Link into the fixup chain. |
| 902 | lir->flags.use_def_invalid = true; |
| 903 | lir->u.a.pcrel_next = NULL; |
| 904 | if (first_fixup_ == NULL) { |
| 905 | first_fixup_ = lir; |
| 906 | } else { |
| 907 | last_fixup->u.a.pcrel_next = lir; |
| 908 | } |
| 909 | last_fixup = lir; |
| 910 | lir->offset = offset; |
| 911 | } |
| 912 | offset += lir->flags.size; |
| 913 | } |
| 914 | } |
| 915 | return offset; |
| 916 | } |
| 917 | |
| 918 | void Arm64Mir2Lir::AssignDataOffsets() { |
| 919 | /* Set up offsets for literals */ |
| 920 | CodeOffset offset = data_offset_; |
| 921 | |
| 922 | offset = AssignLiteralOffset(offset); |
| 923 | |
| 924 | offset = AssignSwitchTablesOffset(offset); |
| 925 | |
| 926 | total_size_ = AssignFillArrayDataOffset(offset); |
| 927 | } |
| 928 | |
| 929 | } // namespace art |