cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 1 | |
| 2 | /*---------------------------------------------------------------*/ |
sewardj | 752f906 | 2010-05-03 21:38:49 +0000 | [diff] [blame] | 3 | /*--- begin host_arm_defs.c ---*/ |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 4 | /*---------------------------------------------------------------*/ |
| 5 | |
| 6 | /* |
sewardj | 752f906 | 2010-05-03 21:38:49 +0000 | [diff] [blame] | 7 | This file is part of Valgrind, a dynamic binary instrumentation |
| 8 | framework. |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 9 | |
sewardj | 752f906 | 2010-05-03 21:38:49 +0000 | [diff] [blame] | 10 | Copyright (C) 2004-2010 OpenWorks LLP |
| 11 | info@open-works.net |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 12 | Copyright (C) 2010-2010 Dmitry Zhurikhin |
| 13 | zhur@ispras.ru |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 14 | |
sewardj | 752f906 | 2010-05-03 21:38:49 +0000 | [diff] [blame] | 15 | This program is free software; you can redistribute it and/or |
| 16 | modify it under the terms of the GNU General Public License as |
| 17 | published by the Free Software Foundation; either version 2 of the |
| 18 | License, or (at your option) any later version. |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 19 | |
sewardj | 752f906 | 2010-05-03 21:38:49 +0000 | [diff] [blame] | 20 | This program is distributed in the hope that it will be useful, but |
| 21 | WITHOUT ANY WARRANTY; without even the implied warranty of |
| 22 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 23 | General Public License for more details. |
| 24 | |
| 25 | You should have received a copy of the GNU General Public License |
| 26 | along with this program; if not, write to the Free Software |
| 27 | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
sewardj | 7bd6ffe | 2005-08-03 16:07:36 +0000 | [diff] [blame] | 28 | 02110-1301, USA. |
| 29 | |
sewardj | 752f906 | 2010-05-03 21:38:49 +0000 | [diff] [blame] | 30 | The GNU General Public License is contained in the file COPYING. |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 31 | */ |
| 32 | |
| 33 | #include "libvex_basictypes.h" |
| 34 | #include "libvex.h" |
| 35 | #include "libvex_trc_values.h" |
| 36 | |
sewardj | cef7d3e | 2009-07-02 12:21:59 +0000 | [diff] [blame] | 37 | #include "main_util.h" |
| 38 | #include "host_generic_regs.h" |
| 39 | #include "host_arm_defs.h" |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 40 | |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 41 | UInt arm_hwcaps = 0; |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 42 | |
| 43 | |
| 44 | /* --------- Registers. --------- */ |
| 45 | |
cerion | cee3031 | 2004-12-17 20:30:21 +0000 | [diff] [blame] | 46 | /* The usual HReg abstraction. |
| 47 | There are 16 general purpose regs. |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 48 | */ |
| 49 | |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 50 | void ppHRegARM ( HReg reg ) { |
| 51 | Int r; |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 52 | /* Be generic for all virtual regs. */ |
| 53 | if (hregIsVirtual(reg)) { |
| 54 | ppHReg(reg); |
| 55 | return; |
| 56 | } |
| 57 | /* But specific for real regs. */ |
| 58 | switch (hregClass(reg)) { |
| 59 | case HRcInt32: |
| 60 | r = hregNumber(reg); |
| 61 | vassert(r >= 0 && r < 16); |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 62 | vex_printf("r%d", r); |
| 63 | return; |
| 64 | case HRcFlt64: |
| 65 | r = hregNumber(reg); |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 66 | vassert(r >= 0 && r < 32); |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 67 | vex_printf("d%d", r); |
| 68 | return; |
| 69 | case HRcFlt32: |
| 70 | r = hregNumber(reg); |
| 71 | vassert(r >= 0 && r < 32); |
| 72 | vex_printf("s%d", r); |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 73 | return; |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 74 | case HRcVec128: |
| 75 | r = hregNumber(reg); |
| 76 | vassert(r >= 0 && r < 16); |
| 77 | vex_printf("q%d", r); |
| 78 | return; |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 79 | default: |
| 80 | vpanic("ppHRegARM"); |
| 81 | } |
| 82 | } |
| 83 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 84 | HReg hregARM_R0 ( void ) { return mkHReg(0, HRcInt32, False); } |
| 85 | HReg hregARM_R1 ( void ) { return mkHReg(1, HRcInt32, False); } |
| 86 | HReg hregARM_R2 ( void ) { return mkHReg(2, HRcInt32, False); } |
| 87 | HReg hregARM_R3 ( void ) { return mkHReg(3, HRcInt32, False); } |
| 88 | HReg hregARM_R4 ( void ) { return mkHReg(4, HRcInt32, False); } |
| 89 | HReg hregARM_R5 ( void ) { return mkHReg(5, HRcInt32, False); } |
| 90 | HReg hregARM_R6 ( void ) { return mkHReg(6, HRcInt32, False); } |
| 91 | HReg hregARM_R7 ( void ) { return mkHReg(7, HRcInt32, False); } |
| 92 | HReg hregARM_R8 ( void ) { return mkHReg(8, HRcInt32, False); } |
| 93 | HReg hregARM_R9 ( void ) { return mkHReg(9, HRcInt32, False); } |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 94 | HReg hregARM_R10 ( void ) { return mkHReg(10, HRcInt32, False); } |
| 95 | HReg hregARM_R11 ( void ) { return mkHReg(11, HRcInt32, False); } |
| 96 | HReg hregARM_R12 ( void ) { return mkHReg(12, HRcInt32, False); } |
| 97 | HReg hregARM_R13 ( void ) { return mkHReg(13, HRcInt32, False); } |
| 98 | HReg hregARM_R14 ( void ) { return mkHReg(14, HRcInt32, False); } |
| 99 | HReg hregARM_R15 ( void ) { return mkHReg(15, HRcInt32, False); } |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 100 | HReg hregARM_D8 ( void ) { return mkHReg(8, HRcFlt64, False); } |
| 101 | HReg hregARM_D9 ( void ) { return mkHReg(9, HRcFlt64, False); } |
| 102 | HReg hregARM_D10 ( void ) { return mkHReg(10, HRcFlt64, False); } |
| 103 | HReg hregARM_D11 ( void ) { return mkHReg(11, HRcFlt64, False); } |
| 104 | HReg hregARM_D12 ( void ) { return mkHReg(12, HRcFlt64, False); } |
| 105 | HReg hregARM_S26 ( void ) { return mkHReg(26, HRcFlt32, False); } |
| 106 | HReg hregARM_S27 ( void ) { return mkHReg(27, HRcFlt32, False); } |
| 107 | HReg hregARM_S28 ( void ) { return mkHReg(28, HRcFlt32, False); } |
| 108 | HReg hregARM_S29 ( void ) { return mkHReg(29, HRcFlt32, False); } |
| 109 | HReg hregARM_S30 ( void ) { return mkHReg(30, HRcFlt32, False); } |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 110 | HReg hregARM_Q8 ( void ) { return mkHReg(8, HRcVec128, False); } |
| 111 | HReg hregARM_Q9 ( void ) { return mkHReg(9, HRcVec128, False); } |
| 112 | HReg hregARM_Q10 ( void ) { return mkHReg(10, HRcVec128, False); } |
| 113 | HReg hregARM_Q11 ( void ) { return mkHReg(11, HRcVec128, False); } |
| 114 | HReg hregARM_Q12 ( void ) { return mkHReg(12, HRcVec128, False); } |
| 115 | HReg hregARM_Q13 ( void ) { return mkHReg(13, HRcVec128, False); } |
| 116 | HReg hregARM_Q14 ( void ) { return mkHReg(14, HRcVec128, False); } |
| 117 | HReg hregARM_Q15 ( void ) { return mkHReg(15, HRcVec128, False); } |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 118 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 119 | void getAllocableRegs_ARM ( Int* nregs, HReg** arr ) |
| 120 | { |
| 121 | Int i = 0; |
sewardj | ef9ef37 | 2010-08-31 09:32:40 +0000 | [diff] [blame] | 122 | *nregs = 26; |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 123 | *arr = LibVEX_Alloc(*nregs * sizeof(HReg)); |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 124 | // callee saves ones are listed first, since we prefer them |
| 125 | // if they're available |
| 126 | (*arr)[i++] = hregARM_R4(); |
| 127 | (*arr)[i++] = hregARM_R5(); |
| 128 | (*arr)[i++] = hregARM_R6(); |
| 129 | (*arr)[i++] = hregARM_R7(); |
| 130 | (*arr)[i++] = hregARM_R10(); |
| 131 | (*arr)[i++] = hregARM_R11(); |
| 132 | // otherwise we'll have to slum it out with caller-saves ones |
| 133 | (*arr)[i++] = hregARM_R0(); |
| 134 | (*arr)[i++] = hregARM_R1(); |
| 135 | (*arr)[i++] = hregARM_R2(); |
| 136 | (*arr)[i++] = hregARM_R3(); |
| 137 | (*arr)[i++] = hregARM_R9(); |
| 138 | // FP hreegisters. Note: these are all callee-save. Yay! |
| 139 | // Hence we don't need to mention them as trashed in |
| 140 | // getHRegUsage for ARMInstr_Call. |
| 141 | (*arr)[i++] = hregARM_D8(); |
| 142 | (*arr)[i++] = hregARM_D9(); |
| 143 | (*arr)[i++] = hregARM_D10(); |
| 144 | (*arr)[i++] = hregARM_D11(); |
| 145 | (*arr)[i++] = hregARM_D12(); |
| 146 | (*arr)[i++] = hregARM_S26(); |
| 147 | (*arr)[i++] = hregARM_S27(); |
| 148 | (*arr)[i++] = hregARM_S28(); |
| 149 | (*arr)[i++] = hregARM_S29(); |
| 150 | (*arr)[i++] = hregARM_S30(); |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 151 | |
| 152 | (*arr)[i++] = hregARM_Q8(); |
| 153 | (*arr)[i++] = hregARM_Q9(); |
| 154 | (*arr)[i++] = hregARM_Q10(); |
| 155 | (*arr)[i++] = hregARM_Q11(); |
| 156 | (*arr)[i++] = hregARM_Q12(); |
sewardj | ef9ef37 | 2010-08-31 09:32:40 +0000 | [diff] [blame] | 157 | |
| 158 | //(*arr)[i++] = hregARM_Q13(); |
| 159 | //(*arr)[i++] = hregARM_Q14(); |
| 160 | //(*arr)[i++] = hregARM_Q15(); |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 161 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 162 | // unavail: r8 as GSP |
sewardj | e30973c | 2010-09-01 10:25:51 +0000 | [diff] [blame] | 163 | // r12 is used as a spill/reload temporary |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 164 | // r13 as SP |
| 165 | // r14 as LR |
| 166 | // r15 as PC |
| 167 | // |
| 168 | // All in all, we have 11 allocatable integer registers: |
sewardj | e30973c | 2010-09-01 10:25:51 +0000 | [diff] [blame] | 169 | // 0 1 2 3 4 5 6 7 9 10 11, with r8 dedicated as GSP |
| 170 | // and r12 dedicated as a spill temporary. |
| 171 | // 13 14 and 15 are not under the allocator's control. |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 172 | // |
| 173 | // Hence for the allocatable registers we have: |
| 174 | // |
| 175 | // callee-saved: 4 5 6 7 (8) 9 10 11 |
| 176 | // caller-saved: 0 1 2 3 |
| 177 | // Note 9 is ambiguous: the base EABI does not give an e/r-saved |
| 178 | // designation for it, but the Linux instantiation of the ABI |
| 179 | // specifies it as callee-saved. |
| 180 | // |
| 181 | // If the set of available registers changes or if the e/r status |
| 182 | // changes, be sure to re-check/sync the definition of |
| 183 | // getHRegUsage for ARMInstr_Call too. |
| 184 | vassert(i == *nregs); |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 185 | } |
| 186 | |
| 187 | |
| 188 | |
| 189 | /* --------- Condition codes, ARM encoding. --------- */ |
| 190 | |
| 191 | HChar* showARMCondCode ( ARMCondCode cond ) { |
| 192 | switch (cond) { |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 193 | case ARMcc_EQ: return "eq"; |
| 194 | case ARMcc_NE: return "ne"; |
| 195 | case ARMcc_HS: return "hs"; |
| 196 | case ARMcc_LO: return "lo"; |
| 197 | case ARMcc_MI: return "mi"; |
| 198 | case ARMcc_PL: return "pl"; |
| 199 | case ARMcc_VS: return "vs"; |
| 200 | case ARMcc_VC: return "vc"; |
| 201 | case ARMcc_HI: return "hi"; |
| 202 | case ARMcc_LS: return "ls"; |
| 203 | case ARMcc_GE: return "ge"; |
| 204 | case ARMcc_LT: return "lt"; |
| 205 | case ARMcc_GT: return "gt"; |
| 206 | case ARMcc_LE: return "le"; |
| 207 | case ARMcc_AL: return "al"; // default |
| 208 | case ARMcc_NV: return "nv"; |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 209 | default: vpanic("showARMCondCode"); |
| 210 | } |
| 211 | } |
| 212 | |
| 213 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 214 | /* --------- Mem AModes: Addressing Mode 1 --------- */ |
cerion | cee3031 | 2004-12-17 20:30:21 +0000 | [diff] [blame] | 215 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 216 | ARMAMode1* ARMAMode1_RI ( HReg reg, Int simm13 ) { |
| 217 | ARMAMode1* am = LibVEX_Alloc(sizeof(ARMAMode1)); |
| 218 | am->tag = ARMam1_RI; |
| 219 | am->ARMam1.RI.reg = reg; |
| 220 | am->ARMam1.RI.simm13 = simm13; |
| 221 | vassert(-4095 <= simm13 && simm13 <= 4095); |
| 222 | return am; |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 223 | } |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 224 | ARMAMode1* ARMAMode1_RRS ( HReg base, HReg index, UInt shift ) { |
| 225 | ARMAMode1* am = LibVEX_Alloc(sizeof(ARMAMode1)); |
| 226 | am->tag = ARMam1_RRS; |
| 227 | am->ARMam1.RRS.base = base; |
| 228 | am->ARMam1.RRS.index = index; |
| 229 | am->ARMam1.RRS.shift = shift; |
| 230 | vassert(0 <= shift && shift <= 3); |
| 231 | return am; |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 232 | } |
| 233 | |
| 234 | void ppARMAMode1 ( ARMAMode1* am ) { |
| 235 | switch (am->tag) { |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 236 | case ARMam1_RI: |
| 237 | vex_printf("%d(", am->ARMam1.RI.simm13); |
| 238 | ppHRegARM(am->ARMam1.RI.reg); |
| 239 | vex_printf(")"); |
| 240 | break; |
| 241 | case ARMam1_RRS: |
| 242 | vex_printf("("); |
| 243 | ppHRegARM(am->ARMam1.RRS.base); |
| 244 | vex_printf(","); |
| 245 | ppHRegARM(am->ARMam1.RRS.index); |
| 246 | vex_printf(",%u)", am->ARMam1.RRS.shift); |
| 247 | break; |
| 248 | default: |
| 249 | vassert(0); |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 250 | } |
| 251 | } |
| 252 | |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 253 | static void addRegUsage_ARMAMode1 ( HRegUsage* u, ARMAMode1* am ) { |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 254 | switch (am->tag) { |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 255 | case ARMam1_RI: |
| 256 | addHRegUse(u, HRmRead, am->ARMam1.RI.reg); |
| 257 | return; |
| 258 | case ARMam1_RRS: |
| 259 | // addHRegUse(u, HRmRead, am->ARMam1.RRS.base); |
| 260 | // addHRegUse(u, HRmRead, am->ARMam1.RRS.index); |
| 261 | // return; |
| 262 | default: |
| 263 | vpanic("addRegUsage_ARMAmode1"); |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 264 | } |
| 265 | } |
| 266 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 267 | static void mapRegs_ARMAMode1 ( HRegRemap* m, ARMAMode1* am ) { |
| 268 | switch (am->tag) { |
| 269 | case ARMam1_RI: |
| 270 | am->ARMam1.RI.reg = lookupHRegRemap(m, am->ARMam1.RI.reg); |
| 271 | return; |
| 272 | case ARMam1_RRS: |
| 273 | //am->ARMam1.RR.base =lookupHRegRemap(m, am->ARMam1.RR.base); |
| 274 | //am->ARMam1.RR.index = lookupHRegRemap(m, am->ARMam1.RR.index); |
| 275 | //return; |
| 276 | default: |
| 277 | vpanic("mapRegs_ARMAmode1"); |
| 278 | } |
| 279 | } |
| 280 | |
| 281 | |
| 282 | /* --------- Mem AModes: Addressing Mode 2 --------- */ |
| 283 | |
| 284 | ARMAMode2* ARMAMode2_RI ( HReg reg, Int simm9 ) { |
| 285 | ARMAMode2* am = LibVEX_Alloc(sizeof(ARMAMode2)); |
| 286 | am->tag = ARMam2_RI; |
| 287 | am->ARMam2.RI.reg = reg; |
| 288 | am->ARMam2.RI.simm9 = simm9; |
| 289 | vassert(-255 <= simm9 && simm9 <= 255); |
| 290 | return am; |
| 291 | } |
| 292 | ARMAMode2* ARMAMode2_RR ( HReg base, HReg index ) { |
| 293 | ARMAMode2* am = LibVEX_Alloc(sizeof(ARMAMode2)); |
| 294 | am->tag = ARMam2_RR; |
| 295 | am->ARMam2.RR.base = base; |
| 296 | am->ARMam2.RR.index = index; |
| 297 | return am; |
| 298 | } |
| 299 | |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 300 | void ppARMAMode2 ( ARMAMode2* am ) { |
| 301 | switch (am->tag) { |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 302 | case ARMam2_RI: |
| 303 | vex_printf("%d(", am->ARMam2.RI.simm9); |
| 304 | ppHRegARM(am->ARMam2.RI.reg); |
| 305 | vex_printf(")"); |
| 306 | break; |
| 307 | case ARMam2_RR: |
| 308 | vex_printf("("); |
| 309 | ppHRegARM(am->ARMam2.RR.base); |
| 310 | vex_printf(","); |
| 311 | ppHRegARM(am->ARMam2.RR.index); |
| 312 | vex_printf(")"); |
| 313 | break; |
| 314 | default: |
| 315 | vassert(0); |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 316 | } |
| 317 | } |
| 318 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 319 | static void addRegUsage_ARMAMode2 ( HRegUsage* u, ARMAMode2* am ) { |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 320 | switch (am->tag) { |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 321 | case ARMam2_RI: |
| 322 | addHRegUse(u, HRmRead, am->ARMam2.RI.reg); |
| 323 | return; |
| 324 | case ARMam2_RR: |
| 325 | // addHRegUse(u, HRmRead, am->ARMam2.RR.base); |
| 326 | // addHRegUse(u, HRmRead, am->ARMam2.RR.index); |
| 327 | // return; |
| 328 | default: |
| 329 | vpanic("addRegUsage_ARMAmode2"); |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 330 | } |
| 331 | } |
| 332 | |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 333 | static void mapRegs_ARMAMode2 ( HRegRemap* m, ARMAMode2* am ) { |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 334 | switch (am->tag) { |
| 335 | case ARMam2_RI: |
| 336 | am->ARMam2.RI.reg = lookupHRegRemap(m, am->ARMam2.RI.reg); |
| 337 | return; |
| 338 | case ARMam2_RR: |
| 339 | //am->ARMam2.RR.base =lookupHRegRemap(m, am->ARMam2.RR.base); |
| 340 | //am->ARMam2.RR.index = lookupHRegRemap(m, am->ARMam2.RR.index); |
| 341 | //return; |
| 342 | default: |
| 343 | vpanic("mapRegs_ARMAmode2"); |
| 344 | } |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 345 | } |
| 346 | |
| 347 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 348 | /* --------- Mem AModes: Addressing Mode VFP --------- */ |
| 349 | |
| 350 | ARMAModeV* mkARMAModeV ( HReg reg, Int simm11 ) { |
| 351 | ARMAModeV* am = LibVEX_Alloc(sizeof(ARMAModeV)); |
| 352 | vassert(simm11 >= -1020 && simm11 <= 1020); |
| 353 | vassert(0 == (simm11 & 3)); |
| 354 | am->reg = reg; |
| 355 | am->simm11 = simm11; |
| 356 | return am; |
| 357 | } |
| 358 | |
| 359 | void ppARMAModeV ( ARMAModeV* am ) { |
| 360 | vex_printf("%d(", am->simm11); |
| 361 | ppHRegARM(am->reg); |
| 362 | vex_printf(")"); |
| 363 | } |
| 364 | |
| 365 | static void addRegUsage_ARMAModeV ( HRegUsage* u, ARMAModeV* am ) { |
| 366 | addHRegUse(u, HRmRead, am->reg); |
| 367 | } |
| 368 | |
| 369 | static void mapRegs_ARMAModeV ( HRegRemap* m, ARMAModeV* am ) { |
| 370 | am->reg = lookupHRegRemap(m, am->reg); |
| 371 | } |
| 372 | |
| 373 | |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 374 | /* --------- Mem AModes: Addressing Mode Neon ------- */ |
| 375 | |
| 376 | ARMAModeN *mkARMAModeN_RR ( HReg rN, HReg rM ) { |
| 377 | ARMAModeN* am = LibVEX_Alloc(sizeof(ARMAModeN)); |
| 378 | am->tag = ARMamN_RR; |
| 379 | am->ARMamN.RR.rN = rN; |
| 380 | am->ARMamN.RR.rM = rM; |
| 381 | return am; |
| 382 | } |
| 383 | |
| 384 | ARMAModeN *mkARMAModeN_R ( HReg rN ) { |
| 385 | ARMAModeN* am = LibVEX_Alloc(sizeof(ARMAModeN)); |
| 386 | am->tag = ARMamN_R; |
| 387 | am->ARMamN.R.rN = rN; |
| 388 | return am; |
| 389 | } |
| 390 | |
| 391 | static void addRegUsage_ARMAModeN ( HRegUsage* u, ARMAModeN* am ) { |
| 392 | if (am->tag == ARMamN_R) { |
| 393 | addHRegUse(u, HRmRead, am->ARMamN.R.rN); |
| 394 | } else { |
| 395 | addHRegUse(u, HRmRead, am->ARMamN.RR.rN); |
| 396 | addHRegUse(u, HRmRead, am->ARMamN.RR.rM); |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | static void mapRegs_ARMAModeN ( HRegRemap* m, ARMAModeN* am ) { |
| 401 | if (am->tag == ARMamN_R) { |
| 402 | am->ARMamN.R.rN = lookupHRegRemap(m, am->ARMamN.R.rN); |
| 403 | } else { |
| 404 | am->ARMamN.RR.rN = lookupHRegRemap(m, am->ARMamN.RR.rN); |
| 405 | am->ARMamN.RR.rM = lookupHRegRemap(m, am->ARMamN.RR.rM); |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | void ppARMAModeN ( ARMAModeN* am ) { |
| 410 | vex_printf("["); |
| 411 | if (am->tag == ARMamN_R) { |
| 412 | ppHRegARM(am->ARMamN.R.rN); |
| 413 | } else { |
| 414 | ppHRegARM(am->ARMamN.RR.rN); |
| 415 | } |
| 416 | vex_printf("]"); |
| 417 | if (am->tag == ARMamN_RR) { |
| 418 | vex_printf(", "); |
| 419 | ppHRegARM(am->ARMamN.RR.rM); |
| 420 | } |
| 421 | } |
| 422 | |
| 423 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 424 | /* --------- Reg or imm-8x4 operands --------- */ |
| 425 | |
| 426 | static UInt ROR32 ( UInt x, UInt sh ) { |
| 427 | vassert(sh >= 0 && sh < 32); |
| 428 | if (sh == 0) |
| 429 | return x; |
| 430 | else |
| 431 | return (x << (32-sh)) | (x >> sh); |
| 432 | } |
| 433 | |
| 434 | ARMRI84* ARMRI84_I84 ( UShort imm8, UShort imm4 ) { |
| 435 | ARMRI84* ri84 = LibVEX_Alloc(sizeof(ARMRI84)); |
| 436 | ri84->tag = ARMri84_I84; |
| 437 | ri84->ARMri84.I84.imm8 = imm8; |
| 438 | ri84->ARMri84.I84.imm4 = imm4; |
| 439 | vassert(imm8 >= 0 && imm8 <= 255); |
| 440 | vassert(imm4 >= 0 && imm4 <= 15); |
| 441 | return ri84; |
| 442 | } |
| 443 | ARMRI84* ARMRI84_R ( HReg reg ) { |
| 444 | ARMRI84* ri84 = LibVEX_Alloc(sizeof(ARMRI84)); |
| 445 | ri84->tag = ARMri84_R; |
| 446 | ri84->ARMri84.R.reg = reg; |
| 447 | return ri84; |
| 448 | } |
| 449 | |
| 450 | void ppARMRI84 ( ARMRI84* ri84 ) { |
| 451 | switch (ri84->tag) { |
| 452 | case ARMri84_I84: |
| 453 | vex_printf("0x%x", ROR32(ri84->ARMri84.I84.imm8, |
| 454 | 2 * ri84->ARMri84.I84.imm4)); |
| 455 | break; |
| 456 | case ARMri84_R: |
| 457 | ppHRegARM(ri84->ARMri84.R.reg); |
| 458 | break; |
| 459 | default: |
| 460 | vassert(0); |
| 461 | } |
| 462 | } |
| 463 | |
| 464 | static void addRegUsage_ARMRI84 ( HRegUsage* u, ARMRI84* ri84 ) { |
| 465 | switch (ri84->tag) { |
| 466 | case ARMri84_I84: |
| 467 | return; |
| 468 | case ARMri84_R: |
| 469 | addHRegUse(u, HRmRead, ri84->ARMri84.R.reg); |
| 470 | return; |
| 471 | default: |
| 472 | vpanic("addRegUsage_ARMRI84"); |
| 473 | } |
| 474 | } |
| 475 | |
| 476 | static void mapRegs_ARMRI84 ( HRegRemap* m, ARMRI84* ri84 ) { |
| 477 | switch (ri84->tag) { |
| 478 | case ARMri84_I84: |
| 479 | return; |
| 480 | case ARMri84_R: |
| 481 | ri84->ARMri84.R.reg = lookupHRegRemap(m, ri84->ARMri84.R.reg); |
| 482 | return; |
| 483 | default: |
| 484 | vpanic("mapRegs_ARMRI84"); |
| 485 | } |
| 486 | } |
| 487 | |
| 488 | |
| 489 | /* --------- Reg or imm5 operands --------- */ |
| 490 | |
| 491 | ARMRI5* ARMRI5_I5 ( UInt imm5 ) { |
| 492 | ARMRI5* ri5 = LibVEX_Alloc(sizeof(ARMRI5)); |
| 493 | ri5->tag = ARMri5_I5; |
| 494 | ri5->ARMri5.I5.imm5 = imm5; |
| 495 | vassert(imm5 > 0 && imm5 <= 31); // zero is not allowed |
| 496 | return ri5; |
| 497 | } |
| 498 | ARMRI5* ARMRI5_R ( HReg reg ) { |
| 499 | ARMRI5* ri5 = LibVEX_Alloc(sizeof(ARMRI5)); |
| 500 | ri5->tag = ARMri5_R; |
| 501 | ri5->ARMri5.R.reg = reg; |
| 502 | return ri5; |
| 503 | } |
| 504 | |
| 505 | void ppARMRI5 ( ARMRI5* ri5 ) { |
| 506 | switch (ri5->tag) { |
| 507 | case ARMri5_I5: |
| 508 | vex_printf("%u", ri5->ARMri5.I5.imm5); |
| 509 | break; |
| 510 | case ARMri5_R: |
| 511 | ppHRegARM(ri5->ARMri5.R.reg); |
| 512 | break; |
| 513 | default: |
| 514 | vassert(0); |
| 515 | } |
| 516 | } |
| 517 | |
| 518 | static void addRegUsage_ARMRI5 ( HRegUsage* u, ARMRI5* ri5 ) { |
| 519 | switch (ri5->tag) { |
| 520 | case ARMri5_I5: |
| 521 | return; |
| 522 | case ARMri5_R: |
| 523 | addHRegUse(u, HRmRead, ri5->ARMri5.R.reg); |
| 524 | return; |
| 525 | default: |
| 526 | vpanic("addRegUsage_ARMRI5"); |
| 527 | } |
| 528 | } |
| 529 | |
| 530 | static void mapRegs_ARMRI5 ( HRegRemap* m, ARMRI5* ri5 ) { |
| 531 | switch (ri5->tag) { |
| 532 | case ARMri5_I5: |
| 533 | return; |
| 534 | case ARMri5_R: |
| 535 | ri5->ARMri5.R.reg = lookupHRegRemap(m, ri5->ARMri5.R.reg); |
| 536 | return; |
| 537 | default: |
| 538 | vpanic("mapRegs_ARMRI5"); |
| 539 | } |
| 540 | } |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 541 | |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 542 | /* -------- Neon Immediate operatnd --------- */ |
| 543 | |
| 544 | ARMNImm* ARMNImm_TI ( UInt type, UInt imm8 ) { |
| 545 | ARMNImm* i = LibVEX_Alloc(sizeof(ARMNImm)); |
| 546 | i->type = type; |
| 547 | i->imm8 = imm8; |
| 548 | return i; |
| 549 | } |
| 550 | |
| 551 | ULong ARMNImm_to_Imm64 ( ARMNImm* imm ) { |
| 552 | int i, j; |
| 553 | ULong y, x = imm->imm8; |
| 554 | switch (imm->type) { |
| 555 | case 3: |
| 556 | x = x << 8; |
| 557 | case 2: |
| 558 | x = x << 8; |
| 559 | case 1: |
| 560 | x = x << 8; |
| 561 | case 0: |
| 562 | return (x << 32) | x; |
| 563 | case 5: |
| 564 | case 6: |
| 565 | if (imm->type == 5) |
| 566 | x = x << 8; |
| 567 | else |
| 568 | x = (x << 8) | x; |
| 569 | case 4: |
| 570 | x = (x << 16) | x; |
| 571 | return (x << 32) | x; |
| 572 | case 8: |
| 573 | x = (x << 8) | 0xFF; |
| 574 | case 7: |
| 575 | x = (x << 8) | 0xFF; |
| 576 | return (x << 32) | x; |
| 577 | case 9: |
| 578 | x = 0; |
| 579 | for (i = 7; i >= 0; i--) { |
| 580 | y = ((ULong)imm->imm8 >> i) & 1; |
| 581 | for (j = 0; j < 8; j++) { |
| 582 | x = (x << 1) | y; |
| 583 | } |
| 584 | } |
| 585 | return x; |
| 586 | case 10: |
| 587 | x |= (x & 0x80) << 5; |
| 588 | x |= ~(x & 0x40) << 5; |
| 589 | x &= 0x187F; /* 0001 1000 0111 1111 */ |
| 590 | x |= (x & 0x40) << 4; |
| 591 | x |= (x & 0x40) << 3; |
| 592 | x |= (x & 0x40) << 2; |
| 593 | x |= (x & 0x40) << 1; |
| 594 | x = x << 19; |
| 595 | x = (x << 32) | x; |
| 596 | return x; |
| 597 | default: |
| 598 | vpanic("ARMNImm_to_Imm64"); |
| 599 | } |
| 600 | } |
| 601 | |
| 602 | ARMNImm* Imm64_to_ARMNImm ( ULong x ) { |
| 603 | ARMNImm tmp; |
| 604 | if ((x & 0xFFFFFFFF) == (x >> 32)) { |
| 605 | if ((x & 0xFFFFFF00) == 0) |
| 606 | return ARMNImm_TI(0, x & 0xFF); |
| 607 | if ((x & 0xFFFF00FF) == 0) |
| 608 | return ARMNImm_TI(1, (x >> 8) & 0xFF); |
| 609 | if ((x & 0xFF00FFFF) == 0) |
| 610 | return ARMNImm_TI(2, (x >> 16) & 0xFF); |
| 611 | if ((x & 0x00FFFFFF) == 0) |
| 612 | return ARMNImm_TI(3, (x >> 24) & 0xFF); |
| 613 | if ((x & 0xFFFF00FF) == 0xFF) |
| 614 | return ARMNImm_TI(7, (x >> 8) & 0xFF); |
| 615 | if ((x & 0xFF00FFFF) == 0xFFFF) |
| 616 | return ARMNImm_TI(8, (x >> 16) & 0xFF); |
| 617 | if ((x & 0xFFFF) == ((x >> 16) & 0xFFFF)) { |
| 618 | if ((x & 0xFF00) == 0) |
| 619 | return ARMNImm_TI(4, x & 0xFF); |
| 620 | if ((x & 0x00FF) == 0) |
| 621 | return ARMNImm_TI(5, (x >> 8) & 0xFF); |
| 622 | if ((x & 0xFF) == ((x >> 8) & 0xFF)) |
| 623 | return ARMNImm_TI(6, x & 0xFF); |
| 624 | } |
| 625 | if ((x & 0x7FFFF) == 0) { |
| 626 | tmp.type = 10; |
| 627 | tmp.imm8 = ((x >> 19) & 0x7F) | ((x >> 24) & 0x80); |
| 628 | if (ARMNImm_to_Imm64(&tmp) == x) |
| 629 | return ARMNImm_TI(tmp.type, tmp.imm8); |
| 630 | } |
| 631 | } else { |
| 632 | /* This can only be type 9. */ |
| 633 | tmp.imm8 = (((x >> 56) & 1) << 7) |
| 634 | | (((x >> 48) & 1) << 6) |
| 635 | | (((x >> 40) & 1) << 5) |
| 636 | | (((x >> 32) & 1) << 4) |
| 637 | | (((x >> 24) & 1) << 3) |
| 638 | | (((x >> 16) & 1) << 2) |
| 639 | | (((x >> 8) & 1) << 1) |
| 640 | | (((x >> 0) & 1) << 0); |
| 641 | tmp.type = 9; |
| 642 | if (ARMNImm_to_Imm64 (&tmp) == x) |
| 643 | return ARMNImm_TI(tmp.type, tmp.imm8); |
| 644 | } |
| 645 | return NULL; |
| 646 | } |
| 647 | |
| 648 | void ppARMNImm (ARMNImm* i) { |
| 649 | ULong x = ARMNImm_to_Imm64(i); |
| 650 | vex_printf("0x%llX%llX", x, x); |
| 651 | } |
| 652 | |
| 653 | /* -- Register or scalar operand --- */ |
| 654 | |
| 655 | ARMNRS* mkARMNRS(ARMNRS_tag tag, HReg reg, UInt index) |
| 656 | { |
| 657 | ARMNRS *p = LibVEX_Alloc(sizeof(ARMNRS)); |
| 658 | p->tag = tag; |
| 659 | p->reg = reg; |
| 660 | p->index = index; |
| 661 | return p; |
| 662 | } |
| 663 | |
| 664 | void ppARMNRS(ARMNRS *p) |
| 665 | { |
| 666 | ppHRegARM(p->reg); |
| 667 | if (p->tag == ARMNRS_Scalar) { |
| 668 | vex_printf("[%d]", p->index); |
| 669 | } |
| 670 | } |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 671 | |
| 672 | /* --------- Instructions. --------- */ |
| 673 | |
| 674 | HChar* showARMAluOp ( ARMAluOp op ) { |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 675 | switch (op) { |
| 676 | case ARMalu_ADD: return "add"; |
| 677 | case ARMalu_ADDS: return "adds"; |
| 678 | case ARMalu_ADC: return "adc"; |
| 679 | case ARMalu_SUB: return "sub"; |
| 680 | case ARMalu_SUBS: return "subs"; |
| 681 | case ARMalu_SBC: return "sbc"; |
| 682 | case ARMalu_AND: return "and"; |
| 683 | case ARMalu_BIC: return "bic"; |
| 684 | case ARMalu_OR: return "orr"; |
| 685 | case ARMalu_XOR: return "xor"; |
| 686 | default: vpanic("showARMAluOp"); |
| 687 | } |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 688 | } |
| 689 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 690 | HChar* showARMShiftOp ( ARMShiftOp op ) { |
| 691 | switch (op) { |
| 692 | case ARMsh_SHL: return "shl"; |
| 693 | case ARMsh_SHR: return "shr"; |
| 694 | case ARMsh_SAR: return "sar"; |
| 695 | default: vpanic("showARMShiftOp"); |
| 696 | } |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 697 | } |
| 698 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 699 | HChar* showARMUnaryOp ( ARMUnaryOp op ) { |
| 700 | switch (op) { |
| 701 | case ARMun_NEG: return "neg"; |
| 702 | case ARMun_NOT: return "not"; |
| 703 | case ARMun_CLZ: return "clz"; |
| 704 | default: vpanic("showARMUnaryOp"); |
| 705 | } |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 706 | } |
| 707 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 708 | HChar* showARMMulOp ( ARMMulOp op ) { |
| 709 | switch (op) { |
| 710 | case ARMmul_PLAIN: return "mul"; |
| 711 | case ARMmul_ZX: return "umull"; |
| 712 | case ARMmul_SX: return "smull"; |
| 713 | default: vpanic("showARMMulOp"); |
| 714 | } |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 715 | } |
| 716 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 717 | HChar* showARMVfpOp ( ARMVfpOp op ) { |
| 718 | switch (op) { |
| 719 | case ARMvfp_ADD: return "add"; |
| 720 | case ARMvfp_SUB: return "sub"; |
| 721 | case ARMvfp_MUL: return "mul"; |
| 722 | case ARMvfp_DIV: return "div"; |
| 723 | default: vpanic("showARMVfpOp"); |
| 724 | } |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 725 | } |
| 726 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 727 | HChar* showARMVfpUnaryOp ( ARMVfpUnaryOp op ) { |
| 728 | switch (op) { |
| 729 | case ARMvfpu_COPY: return "cpy"; |
| 730 | case ARMvfpu_NEG: return "neg"; |
| 731 | case ARMvfpu_ABS: return "abs"; |
| 732 | case ARMvfpu_SQRT: return "sqrt"; |
| 733 | default: vpanic("showARMVfpUnaryOp"); |
| 734 | } |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 735 | } |
| 736 | |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 737 | HChar* showARMNeonBinOp ( ARMNeonBinOp op ) { |
| 738 | switch (op) { |
| 739 | case ARMneon_VAND: return "vand"; |
| 740 | case ARMneon_VORR: return "vorr"; |
| 741 | case ARMneon_VXOR: return "veor"; |
| 742 | case ARMneon_VADD: return "vadd"; |
| 743 | case ARMneon_VRHADDS: return "vrhadd"; |
| 744 | case ARMneon_VRHADDU: return "vrhadd"; |
| 745 | case ARMneon_VADDFP: return "vadd"; |
| 746 | case ARMneon_VPADDFP: return "vpadd"; |
| 747 | case ARMneon_VABDFP: return "vabd"; |
| 748 | case ARMneon_VSUB: return "vsub"; |
| 749 | case ARMneon_VSUBFP: return "vsub"; |
| 750 | case ARMneon_VMINU: return "vmin"; |
| 751 | case ARMneon_VMINS: return "vmin"; |
| 752 | case ARMneon_VMINF: return "vmin"; |
| 753 | case ARMneon_VMAXU: return "vmax"; |
| 754 | case ARMneon_VMAXS: return "vmax"; |
| 755 | case ARMneon_VMAXF: return "vmax"; |
| 756 | case ARMneon_VQADDU: return "vqadd"; |
| 757 | case ARMneon_VQADDS: return "vqadd"; |
| 758 | case ARMneon_VQSUBU: return "vqsub"; |
| 759 | case ARMneon_VQSUBS: return "vqsub"; |
| 760 | case ARMneon_VCGTU: return "vcgt"; |
| 761 | case ARMneon_VCGTS: return "vcgt"; |
| 762 | case ARMneon_VCGTF: return "vcgt"; |
| 763 | case ARMneon_VCGEF: return "vcgt"; |
| 764 | case ARMneon_VCGEU: return "vcge"; |
| 765 | case ARMneon_VCGES: return "vcge"; |
| 766 | case ARMneon_VCEQ: return "vceq"; |
| 767 | case ARMneon_VCEQF: return "vceq"; |
| 768 | case ARMneon_VPADD: return "vpadd"; |
| 769 | case ARMneon_VPMINU: return "vpmin"; |
| 770 | case ARMneon_VPMINS: return "vpmin"; |
| 771 | case ARMneon_VPMINF: return "vpmin"; |
| 772 | case ARMneon_VPMAXU: return "vpmax"; |
| 773 | case ARMneon_VPMAXS: return "vpmax"; |
| 774 | case ARMneon_VPMAXF: return "vpmax"; |
| 775 | case ARMneon_VEXT: return "vext"; |
| 776 | case ARMneon_VMUL: return "vmuli"; |
| 777 | case ARMneon_VMULLU: return "vmull"; |
| 778 | case ARMneon_VMULLS: return "vmull"; |
| 779 | case ARMneon_VMULP: return "vmul"; |
| 780 | case ARMneon_VMULFP: return "vmul"; |
| 781 | case ARMneon_VMULLP: return "vmul"; |
| 782 | case ARMneon_VQDMULH: return "vqdmulh"; |
| 783 | case ARMneon_VQRDMULH: return "vqrdmulh"; |
| 784 | case ARMneon_VQDMULL: return "vqdmull"; |
| 785 | case ARMneon_VTBL: return "vtbl"; |
sewardj | 6aa87a6 | 2010-10-06 20:34:53 +0000 | [diff] [blame] | 786 | case ARMneon_VRECPS: return "vrecps"; |
| 787 | case ARMneon_VRSQRTS: return "vrecps"; |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 788 | /* ... */ |
| 789 | default: vpanic("showARMNeonBinOp"); |
| 790 | } |
| 791 | } |
| 792 | |
| 793 | HChar* showARMNeonBinOpDataType ( ARMNeonBinOp op ) { |
| 794 | switch (op) { |
| 795 | case ARMneon_VAND: |
| 796 | case ARMneon_VORR: |
| 797 | case ARMneon_VXOR: |
| 798 | return ""; |
| 799 | case ARMneon_VADD: |
| 800 | case ARMneon_VSUB: |
| 801 | case ARMneon_VEXT: |
| 802 | case ARMneon_VMUL: |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 803 | case ARMneon_VPADD: |
| 804 | case ARMneon_VTBL: |
| 805 | case ARMneon_VCEQ: |
| 806 | return ".i"; |
| 807 | case ARMneon_VRHADDU: |
| 808 | case ARMneon_VMINU: |
| 809 | case ARMneon_VMAXU: |
| 810 | case ARMneon_VQADDU: |
| 811 | case ARMneon_VQSUBU: |
| 812 | case ARMneon_VCGTU: |
| 813 | case ARMneon_VCGEU: |
| 814 | case ARMneon_VMULLU: |
| 815 | case ARMneon_VPMINU: |
| 816 | case ARMneon_VPMAXU: |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 817 | return ".u"; |
| 818 | case ARMneon_VRHADDS: |
| 819 | case ARMneon_VMINS: |
| 820 | case ARMneon_VMAXS: |
| 821 | case ARMneon_VQADDS: |
| 822 | case ARMneon_VQSUBS: |
| 823 | case ARMneon_VCGTS: |
| 824 | case ARMneon_VCGES: |
| 825 | case ARMneon_VQDMULL: |
| 826 | case ARMneon_VMULLS: |
| 827 | case ARMneon_VPMINS: |
| 828 | case ARMneon_VPMAXS: |
| 829 | case ARMneon_VQDMULH: |
| 830 | case ARMneon_VQRDMULH: |
| 831 | return ".s"; |
| 832 | case ARMneon_VMULP: |
| 833 | case ARMneon_VMULLP: |
| 834 | return ".p"; |
| 835 | case ARMneon_VADDFP: |
| 836 | case ARMneon_VABDFP: |
| 837 | case ARMneon_VPADDFP: |
| 838 | case ARMneon_VSUBFP: |
| 839 | case ARMneon_VMULFP: |
| 840 | case ARMneon_VMINF: |
| 841 | case ARMneon_VMAXF: |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 842 | case ARMneon_VPMINF: |
| 843 | case ARMneon_VPMAXF: |
| 844 | case ARMneon_VCGTF: |
| 845 | case ARMneon_VCGEF: |
| 846 | case ARMneon_VCEQF: |
sewardj | 6aa87a6 | 2010-10-06 20:34:53 +0000 | [diff] [blame] | 847 | case ARMneon_VRECPS: |
| 848 | case ARMneon_VRSQRTS: |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 849 | return ".f"; |
| 850 | /* ... */ |
| 851 | default: vpanic("showARMNeonBinOpDataType"); |
| 852 | } |
| 853 | } |
| 854 | |
| 855 | HChar* showARMNeonUnOp ( ARMNeonUnOp op ) { |
| 856 | switch (op) { |
| 857 | case ARMneon_COPY: return "vmov"; |
| 858 | case ARMneon_COPYLS: return "vmov"; |
| 859 | case ARMneon_COPYLU: return "vmov"; |
| 860 | case ARMneon_COPYN: return "vmov"; |
| 861 | case ARMneon_COPYQNSS: return "vqmovn"; |
| 862 | case ARMneon_COPYQNUS: return "vqmovun"; |
| 863 | case ARMneon_COPYQNUU: return "vqmovn"; |
| 864 | case ARMneon_NOT: return "vmvn"; |
| 865 | case ARMneon_EQZ: return "vceq"; |
| 866 | case ARMneon_CNT: return "vcnt"; |
| 867 | case ARMneon_CLS: return "vcls"; |
| 868 | case ARMneon_CLZ: return "vclz"; |
| 869 | case ARMneon_DUP: return "vdup"; |
| 870 | case ARMneon_PADDLS: return "vpaddl"; |
| 871 | case ARMneon_PADDLU: return "vpaddl"; |
| 872 | case ARMneon_VQSHLNSS: return "vqshl"; |
| 873 | case ARMneon_VQSHLNUU: return "vqshl"; |
| 874 | case ARMneon_VQSHLNUS: return "vqshlu"; |
| 875 | case ARMneon_REV16: return "vrev16"; |
| 876 | case ARMneon_REV32: return "vrev32"; |
| 877 | case ARMneon_REV64: return "vrev64"; |
| 878 | case ARMneon_VCVTFtoU: return "vcvt"; |
| 879 | case ARMneon_VCVTFtoS: return "vcvt"; |
| 880 | case ARMneon_VCVTUtoF: return "vcvt"; |
| 881 | case ARMneon_VCVTStoF: return "vcvt"; |
| 882 | case ARMneon_VCVTFtoFixedU: return "vcvt"; |
| 883 | case ARMneon_VCVTFtoFixedS: return "vcvt"; |
| 884 | case ARMneon_VCVTFixedUtoF: return "vcvt"; |
| 885 | case ARMneon_VCVTFixedStoF: return "vcvt"; |
| 886 | case ARMneon_VCVTF32toF16: return "vcvt"; |
| 887 | case ARMneon_VCVTF16toF32: return "vcvt"; |
| 888 | case ARMneon_VRECIP: return "vrecip"; |
| 889 | case ARMneon_VRECIPF: return "vrecipf"; |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 890 | case ARMneon_VNEGF: return "vneg"; |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 891 | case ARMneon_ABS: return "vabs"; |
sewardj | 6aa87a6 | 2010-10-06 20:34:53 +0000 | [diff] [blame] | 892 | case ARMneon_VABSFP: return "vabsfp"; |
| 893 | case ARMneon_VRSQRTEFP: return "vrsqrtefp"; |
| 894 | case ARMneon_VRSQRTE: return "vrsqrte"; |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 895 | /* ... */ |
| 896 | default: vpanic("showARMNeonUnOp"); |
| 897 | } |
| 898 | } |
| 899 | |
| 900 | HChar* showARMNeonUnOpDataType ( ARMNeonUnOp op ) { |
| 901 | switch (op) { |
| 902 | case ARMneon_COPY: |
| 903 | case ARMneon_NOT: |
| 904 | return ""; |
| 905 | case ARMneon_COPYN: |
| 906 | case ARMneon_EQZ: |
| 907 | case ARMneon_CNT: |
| 908 | case ARMneon_DUP: |
| 909 | case ARMneon_REV16: |
| 910 | case ARMneon_REV32: |
| 911 | case ARMneon_REV64: |
| 912 | return ".i"; |
| 913 | case ARMneon_COPYLU: |
| 914 | case ARMneon_PADDLU: |
| 915 | case ARMneon_COPYQNUU: |
| 916 | case ARMneon_VQSHLNUU: |
| 917 | case ARMneon_VRECIP: |
sewardj | 6aa87a6 | 2010-10-06 20:34:53 +0000 | [diff] [blame] | 918 | case ARMneon_VRSQRTE: |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 919 | return ".u"; |
| 920 | case ARMneon_CLS: |
| 921 | case ARMneon_CLZ: |
| 922 | case ARMneon_COPYLS: |
| 923 | case ARMneon_PADDLS: |
| 924 | case ARMneon_COPYQNSS: |
| 925 | case ARMneon_COPYQNUS: |
| 926 | case ARMneon_VQSHLNSS: |
| 927 | case ARMneon_VQSHLNUS: |
| 928 | case ARMneon_ABS: |
| 929 | return ".s"; |
| 930 | case ARMneon_VRECIPF: |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 931 | case ARMneon_VNEGF: |
sewardj | 6aa87a6 | 2010-10-06 20:34:53 +0000 | [diff] [blame] | 932 | case ARMneon_VABSFP: |
| 933 | case ARMneon_VRSQRTEFP: |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 934 | return ".f"; |
| 935 | case ARMneon_VCVTFtoU: return ".u32.f32"; |
| 936 | case ARMneon_VCVTFtoS: return ".s32.f32"; |
| 937 | case ARMneon_VCVTUtoF: return ".f32.u32"; |
| 938 | case ARMneon_VCVTStoF: return ".f32.s32"; |
| 939 | case ARMneon_VCVTF16toF32: return ".f32.f16"; |
| 940 | case ARMneon_VCVTF32toF16: return ".f16.f32"; |
| 941 | case ARMneon_VCVTFtoFixedU: return ".u32.f32"; |
| 942 | case ARMneon_VCVTFtoFixedS: return ".s32.f32"; |
| 943 | case ARMneon_VCVTFixedUtoF: return ".f32.u32"; |
| 944 | case ARMneon_VCVTFixedStoF: return ".f32.s32"; |
| 945 | /* ... */ |
| 946 | default: vpanic("showARMNeonUnOpDataType"); |
| 947 | } |
| 948 | } |
| 949 | |
| 950 | HChar* showARMNeonUnOpS ( ARMNeonUnOpS op ) { |
| 951 | switch (op) { |
| 952 | case ARMneon_SETELEM: return "vmov"; |
| 953 | case ARMneon_GETELEMU: return "vmov"; |
| 954 | case ARMneon_GETELEMS: return "vmov"; |
| 955 | case ARMneon_VDUP: return "vdup"; |
| 956 | /* ... */ |
| 957 | default: vpanic("showARMNeonUnarySOp"); |
| 958 | } |
| 959 | } |
| 960 | |
| 961 | HChar* showARMNeonUnOpSDataType ( ARMNeonUnOpS op ) { |
| 962 | switch (op) { |
| 963 | case ARMneon_SETELEM: |
| 964 | case ARMneon_VDUP: |
| 965 | return ".i"; |
| 966 | case ARMneon_GETELEMS: |
| 967 | return ".s"; |
| 968 | case ARMneon_GETELEMU: |
| 969 | return ".u"; |
| 970 | /* ... */ |
| 971 | default: vpanic("showARMNeonUnarySOp"); |
| 972 | } |
| 973 | } |
| 974 | |
| 975 | HChar* showARMNeonShiftOp ( ARMNeonShiftOp op ) { |
| 976 | switch (op) { |
| 977 | case ARMneon_VSHL: return "vshl"; |
| 978 | case ARMneon_VSAL: return "vshl"; |
| 979 | case ARMneon_VQSHL: return "vqshl"; |
| 980 | case ARMneon_VQSAL: return "vqshl"; |
| 981 | /* ... */ |
| 982 | default: vpanic("showARMNeonShiftOp"); |
| 983 | } |
| 984 | } |
| 985 | |
| 986 | HChar* showARMNeonShiftOpDataType ( ARMNeonShiftOp op ) { |
| 987 | switch (op) { |
| 988 | case ARMneon_VSHL: |
| 989 | case ARMneon_VQSHL: |
| 990 | return ".u"; |
| 991 | case ARMneon_VSAL: |
| 992 | case ARMneon_VQSAL: |
| 993 | return ".s"; |
| 994 | /* ... */ |
| 995 | default: vpanic("showARMNeonShiftOpDataType"); |
| 996 | } |
| 997 | } |
| 998 | |
| 999 | HChar* showARMNeonDualOp ( ARMNeonDualOp op ) { |
| 1000 | switch (op) { |
| 1001 | case ARMneon_TRN: return "vtrn"; |
| 1002 | case ARMneon_ZIP: return "vzip"; |
| 1003 | case ARMneon_UZP: return "vuzp"; |
| 1004 | /* ... */ |
| 1005 | default: vpanic("showARMNeonDualOp"); |
| 1006 | } |
| 1007 | } |
| 1008 | |
| 1009 | HChar* showARMNeonDualOpDataType ( ARMNeonDualOp op ) { |
| 1010 | switch (op) { |
| 1011 | case ARMneon_TRN: |
| 1012 | case ARMneon_ZIP: |
| 1013 | case ARMneon_UZP: |
| 1014 | return "i"; |
| 1015 | /* ... */ |
| 1016 | default: vpanic("showARMNeonDualOp"); |
| 1017 | } |
| 1018 | } |
| 1019 | |
| 1020 | static HChar* showARMNeonDataSize_wrk ( UInt size ) |
| 1021 | { |
| 1022 | switch (size) { |
| 1023 | case 0: return "8"; |
| 1024 | case 1: return "16"; |
| 1025 | case 2: return "32"; |
| 1026 | case 3: return "64"; |
| 1027 | default: vpanic("showARMNeonDataSize"); |
| 1028 | } |
| 1029 | } |
| 1030 | |
| 1031 | static HChar* showARMNeonDataSize ( ARMInstr* i ) |
| 1032 | { |
| 1033 | switch (i->tag) { |
| 1034 | case ARMin_NBinary: |
| 1035 | if (i->ARMin.NBinary.op == ARMneon_VEXT) |
| 1036 | return "8"; |
| 1037 | if (i->ARMin.NBinary.op == ARMneon_VAND || |
| 1038 | i->ARMin.NBinary.op == ARMneon_VORR || |
| 1039 | i->ARMin.NBinary.op == ARMneon_VXOR) |
| 1040 | return ""; |
| 1041 | return showARMNeonDataSize_wrk(i->ARMin.NBinary.size); |
| 1042 | case ARMin_NUnary: |
| 1043 | if (i->ARMin.NUnary.op == ARMneon_COPY || |
| 1044 | i->ARMin.NUnary.op == ARMneon_NOT || |
| 1045 | i->ARMin.NUnary.op == ARMneon_VCVTF32toF16|| |
| 1046 | i->ARMin.NUnary.op == ARMneon_VCVTF16toF32|| |
| 1047 | i->ARMin.NUnary.op == ARMneon_VCVTFtoFixedS || |
| 1048 | i->ARMin.NUnary.op == ARMneon_VCVTFtoFixedU || |
| 1049 | i->ARMin.NUnary.op == ARMneon_VCVTFixedStoF || |
| 1050 | i->ARMin.NUnary.op == ARMneon_VCVTFixedUtoF || |
| 1051 | i->ARMin.NUnary.op == ARMneon_VCVTFtoS || |
| 1052 | i->ARMin.NUnary.op == ARMneon_VCVTFtoU || |
| 1053 | i->ARMin.NUnary.op == ARMneon_VCVTStoF || |
| 1054 | i->ARMin.NUnary.op == ARMneon_VCVTUtoF) |
| 1055 | return ""; |
| 1056 | if (i->ARMin.NUnary.op == ARMneon_VQSHLNSS || |
| 1057 | i->ARMin.NUnary.op == ARMneon_VQSHLNUU || |
| 1058 | i->ARMin.NUnary.op == ARMneon_VQSHLNUS) { |
| 1059 | UInt size; |
| 1060 | size = i->ARMin.NUnary.size; |
| 1061 | if (size & 0x40) |
| 1062 | return "64"; |
| 1063 | if (size & 0x20) |
| 1064 | return "32"; |
| 1065 | if (size & 0x10) |
| 1066 | return "16"; |
| 1067 | if (size & 0x08) |
| 1068 | return "8"; |
| 1069 | vpanic("showARMNeonDataSize"); |
| 1070 | } |
| 1071 | return showARMNeonDataSize_wrk(i->ARMin.NUnary.size); |
| 1072 | case ARMin_NUnaryS: |
| 1073 | if (i->ARMin.NUnaryS.op == ARMneon_VDUP) { |
| 1074 | int size; |
| 1075 | size = i->ARMin.NUnaryS.size; |
| 1076 | if ((size & 1) == 1) |
| 1077 | return "8"; |
| 1078 | if ((size & 3) == 2) |
| 1079 | return "16"; |
| 1080 | if ((size & 7) == 4) |
| 1081 | return "32"; |
| 1082 | vpanic("showARMNeonDataSize"); |
| 1083 | } |
| 1084 | return showARMNeonDataSize_wrk(i->ARMin.NUnaryS.size); |
| 1085 | case ARMin_NShift: |
| 1086 | return showARMNeonDataSize_wrk(i->ARMin.NShift.size); |
| 1087 | case ARMin_NDual: |
| 1088 | return showARMNeonDataSize_wrk(i->ARMin.NDual.size); |
| 1089 | default: |
| 1090 | vpanic("showARMNeonDataSize"); |
| 1091 | } |
| 1092 | } |
| 1093 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 1094 | ARMInstr* ARMInstr_Alu ( ARMAluOp op, |
| 1095 | HReg dst, HReg argL, ARMRI84* argR ) { |
| 1096 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1097 | i->tag = ARMin_Alu; |
| 1098 | i->ARMin.Alu.op = op; |
| 1099 | i->ARMin.Alu.dst = dst; |
| 1100 | i->ARMin.Alu.argL = argL; |
| 1101 | i->ARMin.Alu.argR = argR; |
| 1102 | return i; |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 1103 | } |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 1104 | ARMInstr* ARMInstr_Shift ( ARMShiftOp op, |
| 1105 | HReg dst, HReg argL, ARMRI5* argR ) { |
| 1106 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1107 | i->tag = ARMin_Shift; |
| 1108 | i->ARMin.Shift.op = op; |
| 1109 | i->ARMin.Shift.dst = dst; |
| 1110 | i->ARMin.Shift.argL = argL; |
| 1111 | i->ARMin.Shift.argR = argR; |
| 1112 | return i; |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 1113 | } |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 1114 | ARMInstr* ARMInstr_Unary ( ARMUnaryOp op, HReg dst, HReg src ) { |
| 1115 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1116 | i->tag = ARMin_Unary; |
| 1117 | i->ARMin.Unary.op = op; |
| 1118 | i->ARMin.Unary.dst = dst; |
| 1119 | i->ARMin.Unary.src = src; |
| 1120 | return i; |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 1121 | } |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 1122 | ARMInstr* ARMInstr_CmpOrTst ( Bool isCmp, HReg argL, ARMRI84* argR ) { |
| 1123 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1124 | i->tag = ARMin_CmpOrTst; |
| 1125 | i->ARMin.CmpOrTst.isCmp = isCmp; |
| 1126 | i->ARMin.CmpOrTst.argL = argL; |
| 1127 | i->ARMin.CmpOrTst.argR = argR; |
| 1128 | return i; |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 1129 | } |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 1130 | ARMInstr* ARMInstr_Mov ( HReg dst, ARMRI84* src ) { |
| 1131 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1132 | i->tag = ARMin_Mov; |
| 1133 | i->ARMin.Mov.dst = dst; |
| 1134 | i->ARMin.Mov.src = src; |
| 1135 | return i; |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 1136 | } |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 1137 | ARMInstr* ARMInstr_Imm32 ( HReg dst, UInt imm32 ) { |
| 1138 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1139 | i->tag = ARMin_Imm32; |
| 1140 | i->ARMin.Imm32.dst = dst; |
| 1141 | i->ARMin.Imm32.imm32 = imm32; |
| 1142 | return i; |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 1143 | } |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 1144 | ARMInstr* ARMInstr_LdSt32 ( Bool isLoad, HReg rD, ARMAMode1* amode ) { |
| 1145 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1146 | i->tag = ARMin_LdSt32; |
| 1147 | i->ARMin.LdSt32.isLoad = isLoad; |
| 1148 | i->ARMin.LdSt32.rD = rD; |
| 1149 | i->ARMin.LdSt32.amode = amode; |
| 1150 | return i; |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 1151 | } |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 1152 | ARMInstr* ARMInstr_LdSt16 ( Bool isLoad, Bool signedLoad, |
| 1153 | HReg rD, ARMAMode2* amode ) { |
| 1154 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1155 | i->tag = ARMin_LdSt16; |
| 1156 | i->ARMin.LdSt16.isLoad = isLoad; |
| 1157 | i->ARMin.LdSt16.signedLoad = signedLoad; |
| 1158 | i->ARMin.LdSt16.rD = rD; |
| 1159 | i->ARMin.LdSt16.amode = amode; |
| 1160 | return i; |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 1161 | } |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 1162 | ARMInstr* ARMInstr_LdSt8U ( Bool isLoad, HReg rD, ARMAMode1* amode ) { |
| 1163 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1164 | i->tag = ARMin_LdSt8U; |
| 1165 | i->ARMin.LdSt8U.isLoad = isLoad; |
| 1166 | i->ARMin.LdSt8U.rD = rD; |
| 1167 | i->ARMin.LdSt8U.amode = amode; |
| 1168 | return i; |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 1169 | } |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 1170 | //extern ARMInstr* ARMInstr_Ld8S ( HReg, ARMAMode2* ); |
| 1171 | ARMInstr* ARMInstr_Goto ( IRJumpKind jk, ARMCondCode cond, HReg gnext ) { |
| 1172 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1173 | i->tag = ARMin_Goto; |
| 1174 | i->ARMin.Goto.jk = jk; |
| 1175 | i->ARMin.Goto.cond = cond; |
| 1176 | i->ARMin.Goto.gnext = gnext; |
| 1177 | return i; |
| 1178 | } |
| 1179 | ARMInstr* ARMInstr_CMov ( ARMCondCode cond, HReg dst, ARMRI84* src ) { |
| 1180 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1181 | i->tag = ARMin_CMov; |
| 1182 | i->ARMin.CMov.cond = cond; |
| 1183 | i->ARMin.CMov.dst = dst; |
| 1184 | i->ARMin.CMov.src = src; |
| 1185 | vassert(cond != ARMcc_AL); |
| 1186 | return i; |
| 1187 | } |
| 1188 | ARMInstr* ARMInstr_Call ( ARMCondCode cond, HWord target, Int nArgRegs ) { |
| 1189 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1190 | i->tag = ARMin_Call; |
| 1191 | i->ARMin.Call.cond = cond; |
| 1192 | i->ARMin.Call.target = target; |
| 1193 | i->ARMin.Call.nArgRegs = nArgRegs; |
| 1194 | return i; |
| 1195 | } |
| 1196 | ARMInstr* ARMInstr_Mul ( ARMMulOp op ) { |
| 1197 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1198 | i->tag = ARMin_Mul; |
| 1199 | i->ARMin.Mul.op = op; |
| 1200 | return i; |
| 1201 | } |
| 1202 | ARMInstr* ARMInstr_LdrEX ( Int szB ) { |
| 1203 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1204 | i->tag = ARMin_LdrEX; |
| 1205 | i->ARMin.LdrEX.szB = szB; |
| 1206 | vassert(szB == 4 || szB == 1); |
| 1207 | return i; |
| 1208 | } |
| 1209 | ARMInstr* ARMInstr_StrEX ( Int szB ) { |
| 1210 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1211 | i->tag = ARMin_StrEX; |
| 1212 | i->ARMin.StrEX.szB = szB; |
| 1213 | vassert(szB == 4 || szB == 1); |
| 1214 | return i; |
| 1215 | } |
| 1216 | ARMInstr* ARMInstr_VLdStD ( Bool isLoad, HReg dD, ARMAModeV* am ) { |
| 1217 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1218 | i->tag = ARMin_VLdStD; |
| 1219 | i->ARMin.VLdStD.isLoad = isLoad; |
| 1220 | i->ARMin.VLdStD.dD = dD; |
| 1221 | i->ARMin.VLdStD.amode = am; |
| 1222 | return i; |
| 1223 | } |
| 1224 | ARMInstr* ARMInstr_VLdStS ( Bool isLoad, HReg fD, ARMAModeV* am ) { |
| 1225 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1226 | i->tag = ARMin_VLdStS; |
| 1227 | i->ARMin.VLdStS.isLoad = isLoad; |
| 1228 | i->ARMin.VLdStS.fD = fD; |
| 1229 | i->ARMin.VLdStS.amode = am; |
| 1230 | return i; |
| 1231 | } |
| 1232 | ARMInstr* ARMInstr_VAluD ( ARMVfpOp op, HReg dst, HReg argL, HReg argR ) { |
| 1233 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1234 | i->tag = ARMin_VAluD; |
| 1235 | i->ARMin.VAluD.op = op; |
| 1236 | i->ARMin.VAluD.dst = dst; |
| 1237 | i->ARMin.VAluD.argL = argL; |
| 1238 | i->ARMin.VAluD.argR = argR; |
| 1239 | return i; |
| 1240 | } |
| 1241 | ARMInstr* ARMInstr_VAluS ( ARMVfpOp op, HReg dst, HReg argL, HReg argR ) { |
| 1242 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1243 | i->tag = ARMin_VAluS; |
| 1244 | i->ARMin.VAluS.op = op; |
| 1245 | i->ARMin.VAluS.dst = dst; |
| 1246 | i->ARMin.VAluS.argL = argL; |
| 1247 | i->ARMin.VAluS.argR = argR; |
| 1248 | return i; |
| 1249 | } |
| 1250 | ARMInstr* ARMInstr_VUnaryD ( ARMVfpUnaryOp op, HReg dst, HReg src ) { |
| 1251 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1252 | i->tag = ARMin_VUnaryD; |
| 1253 | i->ARMin.VUnaryD.op = op; |
| 1254 | i->ARMin.VUnaryD.dst = dst; |
| 1255 | i->ARMin.VUnaryD.src = src; |
| 1256 | return i; |
| 1257 | } |
| 1258 | ARMInstr* ARMInstr_VUnaryS ( ARMVfpUnaryOp op, HReg dst, HReg src ) { |
| 1259 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1260 | i->tag = ARMin_VUnaryS; |
| 1261 | i->ARMin.VUnaryS.op = op; |
| 1262 | i->ARMin.VUnaryS.dst = dst; |
| 1263 | i->ARMin.VUnaryS.src = src; |
| 1264 | return i; |
| 1265 | } |
| 1266 | ARMInstr* ARMInstr_VCmpD ( HReg argL, HReg argR ) { |
| 1267 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1268 | i->tag = ARMin_VCmpD; |
| 1269 | i->ARMin.VCmpD.argL = argL; |
| 1270 | i->ARMin.VCmpD.argR = argR; |
| 1271 | return i; |
| 1272 | } |
| 1273 | ARMInstr* ARMInstr_VCMovD ( ARMCondCode cond, HReg dst, HReg src ) { |
| 1274 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1275 | i->tag = ARMin_VCMovD; |
| 1276 | i->ARMin.VCMovD.cond = cond; |
| 1277 | i->ARMin.VCMovD.dst = dst; |
| 1278 | i->ARMin.VCMovD.src = src; |
| 1279 | vassert(cond != ARMcc_AL); |
| 1280 | return i; |
| 1281 | } |
| 1282 | ARMInstr* ARMInstr_VCMovS ( ARMCondCode cond, HReg dst, HReg src ) { |
| 1283 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1284 | i->tag = ARMin_VCMovS; |
| 1285 | i->ARMin.VCMovS.cond = cond; |
| 1286 | i->ARMin.VCMovS.dst = dst; |
| 1287 | i->ARMin.VCMovS.src = src; |
| 1288 | vassert(cond != ARMcc_AL); |
| 1289 | return i; |
| 1290 | } |
| 1291 | ARMInstr* ARMInstr_VCvtSD ( Bool sToD, HReg dst, HReg src ) { |
| 1292 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1293 | i->tag = ARMin_VCvtSD; |
| 1294 | i->ARMin.VCvtSD.sToD = sToD; |
| 1295 | i->ARMin.VCvtSD.dst = dst; |
| 1296 | i->ARMin.VCvtSD.src = src; |
| 1297 | return i; |
| 1298 | } |
| 1299 | ARMInstr* ARMInstr_VXferD ( Bool toD, HReg dD, HReg rHi, HReg rLo ) { |
| 1300 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1301 | i->tag = ARMin_VXferD; |
| 1302 | i->ARMin.VXferD.toD = toD; |
| 1303 | i->ARMin.VXferD.dD = dD; |
| 1304 | i->ARMin.VXferD.rHi = rHi; |
| 1305 | i->ARMin.VXferD.rLo = rLo; |
| 1306 | return i; |
| 1307 | } |
| 1308 | ARMInstr* ARMInstr_VXferS ( Bool toS, HReg fD, HReg rLo ) { |
| 1309 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1310 | i->tag = ARMin_VXferS; |
| 1311 | i->ARMin.VXferS.toS = toS; |
| 1312 | i->ARMin.VXferS.fD = fD; |
| 1313 | i->ARMin.VXferS.rLo = rLo; |
| 1314 | return i; |
| 1315 | } |
| 1316 | ARMInstr* ARMInstr_VCvtID ( Bool iToD, Bool syned, |
| 1317 | HReg dst, HReg src ) { |
| 1318 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1319 | i->tag = ARMin_VCvtID; |
| 1320 | i->ARMin.VCvtID.iToD = iToD; |
| 1321 | i->ARMin.VCvtID.syned = syned; |
| 1322 | i->ARMin.VCvtID.dst = dst; |
| 1323 | i->ARMin.VCvtID.src = src; |
| 1324 | return i; |
| 1325 | } |
| 1326 | ARMInstr* ARMInstr_FPSCR ( Bool toFPSCR, HReg iReg ) { |
| 1327 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1328 | i->tag = ARMin_FPSCR; |
| 1329 | i->ARMin.FPSCR.toFPSCR = toFPSCR; |
| 1330 | i->ARMin.FPSCR.iReg = iReg; |
| 1331 | return i; |
| 1332 | } |
sewardj | 412098c | 2010-05-04 08:48:43 +0000 | [diff] [blame] | 1333 | ARMInstr* ARMInstr_MFence ( void ) { |
| 1334 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1335 | i->tag = ARMin_MFence; |
| 1336 | return i; |
| 1337 | } |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 1338 | |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 1339 | ARMInstr* ARMInstr_NLdStQ ( Bool isLoad, HReg dQ, ARMAModeN *amode ) { |
| 1340 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1341 | i->tag = ARMin_NLdStQ; |
| 1342 | i->ARMin.NLdStQ.isLoad = isLoad; |
| 1343 | i->ARMin.NLdStQ.dQ = dQ; |
| 1344 | i->ARMin.NLdStQ.amode = amode; |
| 1345 | return i; |
| 1346 | } |
| 1347 | |
| 1348 | ARMInstr* ARMInstr_NLdStD ( Bool isLoad, HReg dD, ARMAModeN *amode ) { |
| 1349 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1350 | i->tag = ARMin_NLdStD; |
| 1351 | i->ARMin.NLdStD.isLoad = isLoad; |
| 1352 | i->ARMin.NLdStD.dD = dD; |
| 1353 | i->ARMin.NLdStD.amode = amode; |
| 1354 | return i; |
| 1355 | } |
| 1356 | |
| 1357 | ARMInstr* ARMInstr_NUnary ( ARMNeonUnOp op, HReg dQ, HReg nQ, |
| 1358 | UInt size, Bool Q ) { |
| 1359 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1360 | i->tag = ARMin_NUnary; |
| 1361 | i->ARMin.NUnary.op = op; |
| 1362 | i->ARMin.NUnary.src = nQ; |
| 1363 | i->ARMin.NUnary.dst = dQ; |
| 1364 | i->ARMin.NUnary.size = size; |
| 1365 | i->ARMin.NUnary.Q = Q; |
| 1366 | return i; |
| 1367 | } |
| 1368 | |
| 1369 | ARMInstr* ARMInstr_NUnaryS ( ARMNeonUnOp op, ARMNRS* dst, ARMNRS* src, |
| 1370 | UInt size, Bool Q ) { |
| 1371 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1372 | i->tag = ARMin_NUnaryS; |
| 1373 | i->ARMin.NUnaryS.op = op; |
| 1374 | i->ARMin.NUnaryS.src = src; |
| 1375 | i->ARMin.NUnaryS.dst = dst; |
| 1376 | i->ARMin.NUnaryS.size = size; |
| 1377 | i->ARMin.NUnaryS.Q = Q; |
| 1378 | return i; |
| 1379 | } |
| 1380 | |
| 1381 | ARMInstr* ARMInstr_NDual ( ARMNeonDualOp op, HReg nQ, HReg mQ, |
| 1382 | UInt size, Bool Q ) { |
| 1383 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1384 | i->tag = ARMin_NDual; |
| 1385 | i->ARMin.NDual.op = op; |
| 1386 | i->ARMin.NDual.arg1 = nQ; |
| 1387 | i->ARMin.NDual.arg2 = mQ; |
| 1388 | i->ARMin.NDual.size = size; |
| 1389 | i->ARMin.NDual.Q = Q; |
| 1390 | return i; |
| 1391 | } |
| 1392 | |
| 1393 | ARMInstr* ARMInstr_NBinary ( ARMNeonBinOp op, |
| 1394 | HReg dst, HReg argL, HReg argR, |
| 1395 | UInt size, Bool Q ) { |
| 1396 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1397 | i->tag = ARMin_NBinary; |
| 1398 | i->ARMin.NBinary.op = op; |
| 1399 | i->ARMin.NBinary.argL = argL; |
| 1400 | i->ARMin.NBinary.argR = argR; |
| 1401 | i->ARMin.NBinary.dst = dst; |
| 1402 | i->ARMin.NBinary.size = size; |
| 1403 | i->ARMin.NBinary.Q = Q; |
| 1404 | return i; |
| 1405 | } |
| 1406 | |
| 1407 | ARMInstr* ARMInstr_NeonImm (HReg dst, ARMNImm* imm ) { |
| 1408 | ARMInstr *i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1409 | i->tag = ARMin_NeonImm; |
| 1410 | i->ARMin.NeonImm.dst = dst; |
| 1411 | i->ARMin.NeonImm.imm = imm; |
| 1412 | return i; |
| 1413 | } |
| 1414 | |
| 1415 | ARMInstr* ARMInstr_NCMovQ ( ARMCondCode cond, HReg dst, HReg src ) { |
| 1416 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1417 | i->tag = ARMin_NCMovQ; |
| 1418 | i->ARMin.NCMovQ.cond = cond; |
| 1419 | i->ARMin.NCMovQ.dst = dst; |
| 1420 | i->ARMin.NCMovQ.src = src; |
| 1421 | vassert(cond != ARMcc_AL); |
| 1422 | return i; |
| 1423 | } |
| 1424 | |
| 1425 | ARMInstr* ARMInstr_NShift ( ARMNeonShiftOp op, |
| 1426 | HReg dst, HReg argL, HReg argR, |
| 1427 | UInt size, Bool Q ) { |
| 1428 | ARMInstr* i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1429 | i->tag = ARMin_NShift; |
| 1430 | i->ARMin.NShift.op = op; |
| 1431 | i->ARMin.NShift.argL = argL; |
| 1432 | i->ARMin.NShift.argR = argR; |
| 1433 | i->ARMin.NShift.dst = dst; |
| 1434 | i->ARMin.NShift.size = size; |
| 1435 | i->ARMin.NShift.Q = Q; |
| 1436 | return i; |
| 1437 | } |
| 1438 | |
| 1439 | /* Helper copy-pasted from isel.c */ |
| 1440 | static Bool fitsIn8x4 ( UInt* u8, UInt* u4, UInt u ) |
| 1441 | { |
| 1442 | UInt i; |
| 1443 | for (i = 0; i < 16; i++) { |
| 1444 | if (0 == (u & 0xFFFFFF00)) { |
| 1445 | *u8 = u; |
| 1446 | *u4 = i; |
| 1447 | return True; |
| 1448 | } |
| 1449 | u = ROR32(u, 30); |
| 1450 | } |
| 1451 | vassert(i == 16); |
| 1452 | return False; |
| 1453 | } |
| 1454 | |
| 1455 | ARMInstr* ARMInstr_Add32 ( HReg rD, HReg rN, UInt imm32 ) { |
| 1456 | UInt u8, u4; |
| 1457 | ARMInstr *i = LibVEX_Alloc(sizeof(ARMInstr)); |
| 1458 | /* Try to generate single ADD if possible */ |
| 1459 | if (fitsIn8x4(&u8, &u4, imm32)) { |
| 1460 | i->tag = ARMin_Alu; |
| 1461 | i->ARMin.Alu.op = ARMalu_ADD; |
| 1462 | i->ARMin.Alu.dst = rD; |
| 1463 | i->ARMin.Alu.argL = rN; |
| 1464 | i->ARMin.Alu.argR = ARMRI84_I84(u8, u4); |
| 1465 | } else { |
| 1466 | i->tag = ARMin_Add32; |
| 1467 | i->ARMin.Add32.rD = rD; |
| 1468 | i->ARMin.Add32.rN = rN; |
| 1469 | i->ARMin.Add32.imm32 = imm32; |
| 1470 | } |
| 1471 | return i; |
| 1472 | } |
| 1473 | |
| 1474 | /* ... */ |
| 1475 | |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 1476 | void ppARMInstr ( ARMInstr* i ) { |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 1477 | switch (i->tag) { |
| 1478 | case ARMin_Alu: |
| 1479 | vex_printf("%-4s ", showARMAluOp(i->ARMin.Alu.op)); |
| 1480 | ppHRegARM(i->ARMin.Alu.dst); |
| 1481 | vex_printf(", "); |
| 1482 | ppHRegARM(i->ARMin.Alu.argL); |
| 1483 | vex_printf(", "); |
| 1484 | ppARMRI84(i->ARMin.Alu.argR); |
| 1485 | return; |
| 1486 | case ARMin_Shift: |
| 1487 | vex_printf("%s ", showARMShiftOp(i->ARMin.Shift.op)); |
| 1488 | ppHRegARM(i->ARMin.Shift.dst); |
| 1489 | vex_printf(", "); |
| 1490 | ppHRegARM(i->ARMin.Shift.argL); |
| 1491 | vex_printf(", "); |
| 1492 | ppARMRI5(i->ARMin.Shift.argR); |
| 1493 | return; |
| 1494 | case ARMin_Unary: |
| 1495 | vex_printf("%s ", showARMUnaryOp(i->ARMin.Unary.op)); |
| 1496 | ppHRegARM(i->ARMin.Unary.dst); |
| 1497 | vex_printf(", "); |
| 1498 | ppHRegARM(i->ARMin.Unary.src); |
| 1499 | return; |
| 1500 | case ARMin_CmpOrTst: |
| 1501 | vex_printf("%s ", i->ARMin.CmpOrTst.isCmp ? "cmp" : "tst"); |
| 1502 | ppHRegARM(i->ARMin.CmpOrTst.argL); |
| 1503 | vex_printf(", "); |
| 1504 | ppARMRI84(i->ARMin.CmpOrTst.argR); |
| 1505 | return; |
| 1506 | case ARMin_Mov: |
| 1507 | vex_printf("mov "); |
| 1508 | ppHRegARM(i->ARMin.Mov.dst); |
| 1509 | vex_printf(", "); |
| 1510 | ppARMRI84(i->ARMin.Mov.src); |
| 1511 | return; |
| 1512 | case ARMin_Imm32: |
| 1513 | vex_printf("imm "); |
| 1514 | ppHRegARM(i->ARMin.Imm32.dst); |
| 1515 | vex_printf(", 0x%x", i->ARMin.Imm32.imm32); |
| 1516 | return; |
| 1517 | case ARMin_LdSt32: |
| 1518 | if (i->ARMin.LdSt32.isLoad) { |
| 1519 | vex_printf("ldr "); |
| 1520 | ppHRegARM(i->ARMin.LdSt32.rD); |
| 1521 | vex_printf(", "); |
| 1522 | ppARMAMode1(i->ARMin.LdSt32.amode); |
| 1523 | } else { |
| 1524 | vex_printf("str "); |
| 1525 | ppARMAMode1(i->ARMin.LdSt32.amode); |
| 1526 | vex_printf(", "); |
| 1527 | ppHRegARM(i->ARMin.LdSt32.rD); |
| 1528 | } |
| 1529 | return; |
| 1530 | case ARMin_LdSt16: |
| 1531 | if (i->ARMin.LdSt16.isLoad) { |
| 1532 | vex_printf("%s", i->ARMin.LdSt16.signedLoad |
| 1533 | ? "ldrsh " : "ldrh " ); |
| 1534 | ppHRegARM(i->ARMin.LdSt16.rD); |
| 1535 | vex_printf(", "); |
| 1536 | ppARMAMode2(i->ARMin.LdSt16.amode); |
| 1537 | } else { |
| 1538 | vex_printf("strh "); |
| 1539 | ppARMAMode2(i->ARMin.LdSt16.amode); |
| 1540 | vex_printf(", "); |
| 1541 | ppHRegARM(i->ARMin.LdSt16.rD); |
| 1542 | } |
| 1543 | return; |
| 1544 | case ARMin_LdSt8U: |
| 1545 | if (i->ARMin.LdSt8U.isLoad) { |
| 1546 | vex_printf("ldrb "); |
| 1547 | ppHRegARM(i->ARMin.LdSt8U.rD); |
| 1548 | vex_printf(", "); |
| 1549 | ppARMAMode1(i->ARMin.LdSt8U.amode); |
| 1550 | } else { |
| 1551 | vex_printf("strb "); |
| 1552 | ppARMAMode1(i->ARMin.LdSt8U.amode); |
| 1553 | vex_printf(", "); |
| 1554 | ppHRegARM(i->ARMin.LdSt8U.rD); |
| 1555 | } |
| 1556 | return; |
| 1557 | case ARMin_Ld8S: |
| 1558 | goto unhandled; |
| 1559 | case ARMin_Goto: |
| 1560 | if (i->ARMin.Goto.cond != ARMcc_AL) { |
| 1561 | vex_printf("if (%%cpsr.%s) { ", |
| 1562 | showARMCondCode(i->ARMin.Goto.cond)); |
| 1563 | } else { |
| 1564 | vex_printf("if (1) { "); |
| 1565 | } |
| 1566 | if (i->ARMin.Goto.jk != Ijk_Boring |
| 1567 | && i->ARMin.Goto.jk != Ijk_Call |
| 1568 | && i->ARMin.Goto.jk != Ijk_Ret) { |
| 1569 | vex_printf("mov r8, $"); |
| 1570 | ppIRJumpKind(i->ARMin.Goto.jk); |
| 1571 | vex_printf(" ; "); |
| 1572 | } |
| 1573 | vex_printf("mov r0, "); |
| 1574 | ppHRegARM(i->ARMin.Goto.gnext); |
| 1575 | vex_printf(" ; bx r14"); |
| 1576 | if (i->ARMin.Goto.cond != ARMcc_AL) { |
| 1577 | vex_printf(" }"); |
| 1578 | } else { |
| 1579 | vex_printf(" }"); |
| 1580 | } |
| 1581 | return; |
| 1582 | case ARMin_CMov: |
| 1583 | vex_printf("mov%s ", showARMCondCode(i->ARMin.CMov.cond)); |
| 1584 | ppHRegARM(i->ARMin.CMov.dst); |
| 1585 | vex_printf(", "); |
| 1586 | ppARMRI84(i->ARMin.CMov.src); |
| 1587 | return; |
| 1588 | case ARMin_Call: |
| 1589 | vex_printf("call%s ", |
| 1590 | i->ARMin.Call.cond==ARMcc_AL |
| 1591 | ? "" : showARMCondCode(i->ARMin.Call.cond)); |
| 1592 | vex_printf("0x%lx [nArgRegs=%d]", |
| 1593 | i->ARMin.Call.target, i->ARMin.Call.nArgRegs); |
| 1594 | return; |
| 1595 | case ARMin_Mul: |
| 1596 | vex_printf("%-5s ", showARMMulOp(i->ARMin.Mul.op)); |
| 1597 | if (i->ARMin.Mul.op == ARMmul_PLAIN) { |
| 1598 | vex_printf("r0, r2, r3"); |
| 1599 | } else { |
| 1600 | vex_printf("r1:r0, r2, r3"); |
| 1601 | } |
| 1602 | return; |
| 1603 | case ARMin_LdrEX: |
| 1604 | vex_printf("ldrex%s ", i->ARMin.LdrEX.szB == 1 ? "b" |
| 1605 | : i->ARMin.LdrEX.szB == 2 ? "h" : ""); |
| 1606 | vex_printf("r0, [r1]"); |
| 1607 | return; |
| 1608 | case ARMin_StrEX: |
| 1609 | vex_printf("strex%s ", i->ARMin.StrEX.szB == 1 ? "b" |
| 1610 | : i->ARMin.StrEX.szB == 2 ? "h" : ""); |
| 1611 | vex_printf("r0, r1, [r2]"); |
| 1612 | return; |
| 1613 | case ARMin_VLdStD: |
| 1614 | if (i->ARMin.VLdStD.isLoad) { |
| 1615 | vex_printf("fldd "); |
| 1616 | ppHRegARM(i->ARMin.VLdStD.dD); |
| 1617 | vex_printf(", "); |
| 1618 | ppARMAModeV(i->ARMin.VLdStD.amode); |
| 1619 | } else { |
| 1620 | vex_printf("fstd "); |
| 1621 | ppARMAModeV(i->ARMin.VLdStD.amode); |
| 1622 | vex_printf(", "); |
| 1623 | ppHRegARM(i->ARMin.VLdStD.dD); |
| 1624 | } |
| 1625 | return; |
| 1626 | case ARMin_VLdStS: |
| 1627 | if (i->ARMin.VLdStS.isLoad) { |
| 1628 | vex_printf("flds "); |
| 1629 | ppHRegARM(i->ARMin.VLdStS.fD); |
| 1630 | vex_printf(", "); |
| 1631 | ppARMAModeV(i->ARMin.VLdStS.amode); |
| 1632 | } else { |
| 1633 | vex_printf("fsts "); |
| 1634 | ppARMAModeV(i->ARMin.VLdStS.amode); |
| 1635 | vex_printf(", "); |
| 1636 | ppHRegARM(i->ARMin.VLdStS.fD); |
| 1637 | } |
| 1638 | return; |
| 1639 | case ARMin_VAluD: |
| 1640 | vex_printf("f%-3sd ", showARMVfpOp(i->ARMin.VAluD.op)); |
| 1641 | ppHRegARM(i->ARMin.VAluD.dst); |
| 1642 | vex_printf(", "); |
| 1643 | ppHRegARM(i->ARMin.VAluD.argL); |
| 1644 | vex_printf(", "); |
| 1645 | ppHRegARM(i->ARMin.VAluD.argR); |
| 1646 | return; |
| 1647 | case ARMin_VAluS: |
| 1648 | vex_printf("f%-3ss ", showARMVfpOp(i->ARMin.VAluS.op)); |
| 1649 | ppHRegARM(i->ARMin.VAluS.dst); |
| 1650 | vex_printf(", "); |
| 1651 | ppHRegARM(i->ARMin.VAluS.argL); |
| 1652 | vex_printf(", "); |
| 1653 | ppHRegARM(i->ARMin.VAluS.argR); |
| 1654 | return; |
| 1655 | case ARMin_VUnaryD: |
| 1656 | vex_printf("f%-3sd ", showARMVfpUnaryOp(i->ARMin.VUnaryD.op)); |
| 1657 | ppHRegARM(i->ARMin.VUnaryD.dst); |
| 1658 | vex_printf(", "); |
| 1659 | ppHRegARM(i->ARMin.VUnaryD.src); |
| 1660 | return; |
| 1661 | case ARMin_VUnaryS: |
| 1662 | vex_printf("f%-3ss ", showARMVfpUnaryOp(i->ARMin.VUnaryS.op)); |
| 1663 | ppHRegARM(i->ARMin.VUnaryS.dst); |
| 1664 | vex_printf(", "); |
| 1665 | ppHRegARM(i->ARMin.VUnaryS.src); |
| 1666 | return; |
| 1667 | case ARMin_VCmpD: |
| 1668 | vex_printf("fcmpd "); |
| 1669 | ppHRegARM(i->ARMin.VCmpD.argL); |
| 1670 | vex_printf(", "); |
| 1671 | ppHRegARM(i->ARMin.VCmpD.argR); |
| 1672 | vex_printf(" ; fmstat"); |
| 1673 | return; |
| 1674 | case ARMin_VCMovD: |
| 1675 | vex_printf("fcpyd%s ", showARMCondCode(i->ARMin.VCMovD.cond)); |
| 1676 | ppHRegARM(i->ARMin.VCMovD.dst); |
| 1677 | vex_printf(", "); |
| 1678 | ppHRegARM(i->ARMin.VCMovD.src); |
| 1679 | return; |
| 1680 | case ARMin_VCMovS: |
| 1681 | vex_printf("fcpys%s ", showARMCondCode(i->ARMin.VCMovS.cond)); |
| 1682 | ppHRegARM(i->ARMin.VCMovS.dst); |
| 1683 | vex_printf(", "); |
| 1684 | ppHRegARM(i->ARMin.VCMovS.src); |
| 1685 | return; |
| 1686 | case ARMin_VCvtSD: |
| 1687 | vex_printf("fcvt%s ", i->ARMin.VCvtSD.sToD ? "ds" : "sd"); |
| 1688 | ppHRegARM(i->ARMin.VCvtSD.dst); |
| 1689 | vex_printf(", "); |
| 1690 | ppHRegARM(i->ARMin.VCvtSD.src); |
| 1691 | return; |
| 1692 | case ARMin_VXferD: |
| 1693 | vex_printf("vmov "); |
| 1694 | if (i->ARMin.VXferD.toD) { |
| 1695 | ppHRegARM(i->ARMin.VXferD.dD); |
| 1696 | vex_printf(", "); |
| 1697 | ppHRegARM(i->ARMin.VXferD.rLo); |
| 1698 | vex_printf(", "); |
| 1699 | ppHRegARM(i->ARMin.VXferD.rHi); |
| 1700 | } else { |
| 1701 | ppHRegARM(i->ARMin.VXferD.rLo); |
| 1702 | vex_printf(", "); |
| 1703 | ppHRegARM(i->ARMin.VXferD.rHi); |
| 1704 | vex_printf(", "); |
| 1705 | ppHRegARM(i->ARMin.VXferD.dD); |
| 1706 | } |
| 1707 | return; |
| 1708 | case ARMin_VXferS: |
| 1709 | vex_printf("vmov "); |
| 1710 | if (i->ARMin.VXferS.toS) { |
| 1711 | ppHRegARM(i->ARMin.VXferS.fD); |
| 1712 | vex_printf(", "); |
| 1713 | ppHRegARM(i->ARMin.VXferS.rLo); |
| 1714 | } else { |
| 1715 | ppHRegARM(i->ARMin.VXferS.rLo); |
| 1716 | vex_printf(", "); |
| 1717 | ppHRegARM(i->ARMin.VXferS.fD); |
| 1718 | } |
| 1719 | return; |
| 1720 | case ARMin_VCvtID: { |
| 1721 | HChar* nm = "?"; |
| 1722 | if (i->ARMin.VCvtID.iToD) { |
| 1723 | nm = i->ARMin.VCvtID.syned ? "fsitod" : "fuitod"; |
| 1724 | } else { |
| 1725 | nm = i->ARMin.VCvtID.syned ? "ftosid" : "ftouid"; |
| 1726 | } |
| 1727 | vex_printf("%s ", nm); |
| 1728 | ppHRegARM(i->ARMin.VCvtID.dst); |
| 1729 | vex_printf(", "); |
| 1730 | ppHRegARM(i->ARMin.VCvtID.src); |
| 1731 | return; |
| 1732 | } |
| 1733 | case ARMin_FPSCR: |
| 1734 | if (i->ARMin.FPSCR.toFPSCR) { |
| 1735 | vex_printf("fmxr fpscr, "); |
| 1736 | ppHRegARM(i->ARMin.FPSCR.iReg); |
| 1737 | } else { |
| 1738 | vex_printf("fmrx "); |
| 1739 | ppHRegARM(i->ARMin.FPSCR.iReg); |
| 1740 | vex_printf(", fpscr"); |
| 1741 | } |
| 1742 | return; |
sewardj | 412098c | 2010-05-04 08:48:43 +0000 | [diff] [blame] | 1743 | case ARMin_MFence: |
| 1744 | vex_printf("mfence (mcr 15,0,r0,c7,c10,4; 15,0,r0,c7,c10,5; " |
| 1745 | "15,0,r0,c7,c5,4)"); |
| 1746 | return; |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 1747 | case ARMin_NLdStQ: |
| 1748 | if (i->ARMin.NLdStQ.isLoad) |
| 1749 | vex_printf("vld1.32 {"); |
| 1750 | else |
| 1751 | vex_printf("vst1.32 {"); |
| 1752 | ppHRegARM(i->ARMin.NLdStQ.dQ); |
| 1753 | vex_printf("} "); |
| 1754 | ppARMAModeN(i->ARMin.NLdStQ.amode); |
| 1755 | return; |
| 1756 | case ARMin_NLdStD: |
| 1757 | if (i->ARMin.NLdStD.isLoad) |
| 1758 | vex_printf("vld1.32 {"); |
| 1759 | else |
| 1760 | vex_printf("vst1.32 {"); |
| 1761 | ppHRegARM(i->ARMin.NLdStD.dD); |
| 1762 | vex_printf("} "); |
| 1763 | ppARMAModeN(i->ARMin.NLdStD.amode); |
| 1764 | return; |
| 1765 | case ARMin_NUnary: |
| 1766 | vex_printf("%s%s%s ", |
| 1767 | showARMNeonUnOp(i->ARMin.NUnary.op), |
| 1768 | showARMNeonUnOpDataType(i->ARMin.NUnary.op), |
| 1769 | showARMNeonDataSize(i)); |
| 1770 | ppHRegARM(i->ARMin.NUnary.dst); |
| 1771 | vex_printf(", "); |
| 1772 | ppHRegARM(i->ARMin.NUnary.src); |
| 1773 | if (i->ARMin.NUnary.op == ARMneon_EQZ) |
| 1774 | vex_printf(", #0"); |
| 1775 | if (i->ARMin.NUnary.op == ARMneon_VCVTFtoFixedS || |
| 1776 | i->ARMin.NUnary.op == ARMneon_VCVTFtoFixedU || |
| 1777 | i->ARMin.NUnary.op == ARMneon_VCVTFixedStoF || |
| 1778 | i->ARMin.NUnary.op == ARMneon_VCVTFixedUtoF) { |
| 1779 | vex_printf(", #%d", i->ARMin.NUnary.size); |
| 1780 | } |
| 1781 | if (i->ARMin.NUnary.op == ARMneon_VQSHLNSS || |
| 1782 | i->ARMin.NUnary.op == ARMneon_VQSHLNUU || |
| 1783 | i->ARMin.NUnary.op == ARMneon_VQSHLNUS) { |
| 1784 | UInt size; |
| 1785 | size = i->ARMin.NUnary.size; |
| 1786 | if (size & 0x40) { |
| 1787 | vex_printf(", #%d", size - 64); |
| 1788 | } else if (size & 0x20) { |
| 1789 | vex_printf(", #%d", size - 32); |
| 1790 | } else if (size & 0x10) { |
| 1791 | vex_printf(", #%d", size - 16); |
| 1792 | } else if (size & 0x08) { |
| 1793 | vex_printf(", #%d", size - 8); |
| 1794 | } |
| 1795 | } |
| 1796 | return; |
| 1797 | case ARMin_NUnaryS: |
| 1798 | vex_printf("%s%s%s ", |
| 1799 | showARMNeonUnOpS(i->ARMin.NUnary.op), |
| 1800 | showARMNeonUnOpSDataType(i->ARMin.NUnary.op), |
| 1801 | showARMNeonDataSize(i)); |
| 1802 | ppARMNRS(i->ARMin.NUnaryS.dst); |
| 1803 | vex_printf(", "); |
| 1804 | ppARMNRS(i->ARMin.NUnaryS.src); |
| 1805 | return; |
| 1806 | case ARMin_NShift: |
| 1807 | vex_printf("%s%s%s ", |
| 1808 | showARMNeonShiftOp(i->ARMin.NShift.op), |
| 1809 | showARMNeonShiftOpDataType(i->ARMin.NShift.op), |
| 1810 | showARMNeonDataSize(i)); |
| 1811 | ppHRegARM(i->ARMin.NShift.dst); |
| 1812 | vex_printf(", "); |
| 1813 | ppHRegARM(i->ARMin.NShift.argL); |
| 1814 | vex_printf(", "); |
| 1815 | ppHRegARM(i->ARMin.NShift.argR); |
| 1816 | return; |
| 1817 | case ARMin_NDual: |
| 1818 | vex_printf("%s%s%s ", |
| 1819 | showARMNeonDualOp(i->ARMin.NDual.op), |
| 1820 | showARMNeonDualOpDataType(i->ARMin.NDual.op), |
| 1821 | showARMNeonDataSize(i)); |
| 1822 | ppHRegARM(i->ARMin.NDual.arg1); |
| 1823 | vex_printf(", "); |
| 1824 | ppHRegARM(i->ARMin.NDual.arg2); |
| 1825 | return; |
| 1826 | case ARMin_NBinary: |
| 1827 | vex_printf("%s%s%s", |
| 1828 | showARMNeonBinOp(i->ARMin.NBinary.op), |
| 1829 | showARMNeonBinOpDataType(i->ARMin.NBinary.op), |
| 1830 | showARMNeonDataSize(i)); |
| 1831 | vex_printf(" "); |
| 1832 | ppHRegARM(i->ARMin.NBinary.dst); |
| 1833 | vex_printf(", "); |
| 1834 | ppHRegARM(i->ARMin.NBinary.argL); |
| 1835 | vex_printf(", "); |
| 1836 | ppHRegARM(i->ARMin.NBinary.argR); |
| 1837 | return; |
| 1838 | case ARMin_NeonImm: |
| 1839 | vex_printf("vmov "); |
| 1840 | ppHRegARM(i->ARMin.NeonImm.dst); |
| 1841 | vex_printf(", "); |
| 1842 | ppARMNImm(i->ARMin.NeonImm.imm); |
| 1843 | return; |
| 1844 | case ARMin_NCMovQ: |
| 1845 | vex_printf("vmov%s ", showARMCondCode(i->ARMin.NCMovQ.cond)); |
| 1846 | ppHRegARM(i->ARMin.NCMovQ.dst); |
| 1847 | vex_printf(", "); |
| 1848 | ppHRegARM(i->ARMin.NCMovQ.src); |
| 1849 | return; |
| 1850 | case ARMin_Add32: |
| 1851 | vex_printf("add32 "); |
| 1852 | ppHRegARM(i->ARMin.Add32.rD); |
| 1853 | vex_printf(", "); |
| 1854 | ppHRegARM(i->ARMin.Add32.rN); |
| 1855 | vex_printf(", "); |
| 1856 | vex_printf("%d", i->ARMin.Add32.imm32); |
| 1857 | return; |
| 1858 | default: |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 1859 | unhandled: |
| 1860 | vex_printf("ppARMInstr: unhandled case (tag %d)", (Int)i->tag); |
| 1861 | vpanic("ppARMInstr(1)"); |
| 1862 | return; |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 1863 | } |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 1864 | } |
| 1865 | |
| 1866 | |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 1867 | /* --------- Helpers for register allocation. --------- */ |
| 1868 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 1869 | void getRegUsage_ARMInstr ( HRegUsage* u, ARMInstr* i, Bool mode64 ) |
| 1870 | { |
| 1871 | vassert(mode64 == False); |
| 1872 | initHRegUsage(u); |
| 1873 | switch (i->tag) { |
| 1874 | case ARMin_Alu: |
| 1875 | addHRegUse(u, HRmWrite, i->ARMin.Alu.dst); |
| 1876 | addHRegUse(u, HRmRead, i->ARMin.Alu.argL); |
| 1877 | addRegUsage_ARMRI84(u, i->ARMin.Alu.argR); |
| 1878 | return; |
| 1879 | case ARMin_Shift: |
| 1880 | addHRegUse(u, HRmWrite, i->ARMin.Shift.dst); |
| 1881 | addHRegUse(u, HRmRead, i->ARMin.Shift.argL); |
| 1882 | addRegUsage_ARMRI5(u, i->ARMin.Shift.argR); |
| 1883 | return; |
| 1884 | case ARMin_Unary: |
| 1885 | addHRegUse(u, HRmWrite, i->ARMin.Unary.dst); |
| 1886 | addHRegUse(u, HRmRead, i->ARMin.Unary.src); |
| 1887 | return; |
| 1888 | case ARMin_CmpOrTst: |
| 1889 | addHRegUse(u, HRmRead, i->ARMin.CmpOrTst.argL); |
| 1890 | addRegUsage_ARMRI84(u, i->ARMin.CmpOrTst.argR); |
| 1891 | return; |
| 1892 | case ARMin_Mov: |
| 1893 | addHRegUse(u, HRmWrite, i->ARMin.Mov.dst); |
| 1894 | addRegUsage_ARMRI84(u, i->ARMin.Mov.src); |
| 1895 | return; |
| 1896 | case ARMin_Imm32: |
| 1897 | addHRegUse(u, HRmWrite, i->ARMin.Imm32.dst); |
| 1898 | return; |
| 1899 | case ARMin_LdSt32: |
| 1900 | addRegUsage_ARMAMode1(u, i->ARMin.LdSt32.amode); |
| 1901 | if (i->ARMin.LdSt32.isLoad) { |
| 1902 | addHRegUse(u, HRmWrite, i->ARMin.LdSt32.rD); |
| 1903 | } else { |
| 1904 | addHRegUse(u, HRmRead, i->ARMin.LdSt32.rD); |
| 1905 | } |
| 1906 | return; |
| 1907 | case ARMin_LdSt16: |
| 1908 | addRegUsage_ARMAMode2(u, i->ARMin.LdSt16.amode); |
| 1909 | if (i->ARMin.LdSt16.isLoad) { |
| 1910 | addHRegUse(u, HRmWrite, i->ARMin.LdSt16.rD); |
| 1911 | } else { |
| 1912 | addHRegUse(u, HRmRead, i->ARMin.LdSt16.rD); |
| 1913 | } |
| 1914 | return; |
| 1915 | case ARMin_LdSt8U: |
| 1916 | addRegUsage_ARMAMode1(u, i->ARMin.LdSt8U.amode); |
| 1917 | if (i->ARMin.LdSt8U.isLoad) { |
| 1918 | addHRegUse(u, HRmWrite, i->ARMin.LdSt8U.rD); |
| 1919 | } else { |
| 1920 | addHRegUse(u, HRmRead, i->ARMin.LdSt8U.rD); |
| 1921 | } |
| 1922 | return; |
| 1923 | case ARMin_Ld8S: |
| 1924 | goto unhandled; |
| 1925 | case ARMin_Goto: |
| 1926 | /* reads the reg holding the next guest addr */ |
| 1927 | addHRegUse(u, HRmRead, i->ARMin.Goto.gnext); |
| 1928 | /* writes it to the standard integer return register */ |
| 1929 | addHRegUse(u, HRmWrite, hregARM_R0()); |
| 1930 | /* possibly messes with the baseblock pointer */ |
| 1931 | if (i->ARMin.Goto.jk != Ijk_Boring |
| 1932 | && i->ARMin.Goto.jk != Ijk_Call |
| 1933 | && i->ARMin.Goto.jk != Ijk_Ret) |
| 1934 | /* note, this is irrelevant since r8 is not actually |
| 1935 | available to the allocator. But still .. */ |
| 1936 | addHRegUse(u, HRmWrite, hregARM_R8()); |
| 1937 | return; |
| 1938 | case ARMin_CMov: |
| 1939 | addHRegUse(u, HRmWrite, i->ARMin.CMov.dst); |
| 1940 | addHRegUse(u, HRmRead, i->ARMin.CMov.dst); |
| 1941 | addRegUsage_ARMRI84(u, i->ARMin.CMov.src); |
| 1942 | return; |
| 1943 | case ARMin_Call: |
| 1944 | /* logic and comments copied/modified from x86 back end */ |
| 1945 | /* This is a bit subtle. */ |
| 1946 | /* First off, claim it trashes all the caller-saved regs |
| 1947 | which fall within the register allocator's jurisdiction. |
| 1948 | These I believe to be r0,1,2,3. If it turns out that r9 |
| 1949 | is also caller-saved, then we'll have to add that here |
| 1950 | too. */ |
| 1951 | addHRegUse(u, HRmWrite, hregARM_R0()); |
| 1952 | addHRegUse(u, HRmWrite, hregARM_R1()); |
| 1953 | addHRegUse(u, HRmWrite, hregARM_R2()); |
| 1954 | addHRegUse(u, HRmWrite, hregARM_R3()); |
| 1955 | /* Now we have to state any parameter-carrying registers |
| 1956 | which might be read. This depends on nArgRegs. */ |
| 1957 | switch (i->ARMin.Call.nArgRegs) { |
| 1958 | case 4: addHRegUse(u, HRmRead, hregARM_R3()); /*fallthru*/ |
| 1959 | case 3: addHRegUse(u, HRmRead, hregARM_R2()); /*fallthru*/ |
| 1960 | case 2: addHRegUse(u, HRmRead, hregARM_R1()); /*fallthru*/ |
| 1961 | case 1: addHRegUse(u, HRmRead, hregARM_R0()); break; |
| 1962 | case 0: break; |
| 1963 | default: vpanic("getRegUsage_ARM:Call:regparms"); |
| 1964 | } |
| 1965 | /* Finally, there is the issue that the insn trashes a |
| 1966 | register because the literal target address has to be |
| 1967 | loaded into a register. Fortunately, for the nArgRegs= |
| 1968 | 0/1/2/3 case, we can use r0, r1, r2 or r3 respectively, so |
| 1969 | this does not cause any further damage. For the |
| 1970 | nArgRegs=4 case, we'll have to choose another register |
| 1971 | arbitrarily since all the caller saved regs are used for |
| 1972 | parameters, and so we might as well choose r11. |
| 1973 | */ |
| 1974 | if (i->ARMin.Call.nArgRegs == 4) |
| 1975 | addHRegUse(u, HRmWrite, hregARM_R11()); |
| 1976 | /* Upshot of this is that the assembler really must observe |
| 1977 | the here-stated convention of which register to use as an |
| 1978 | address temporary, depending on nArgRegs: 0==r0, |
| 1979 | 1==r1, 2==r2, 3==r3, 4==r11 */ |
| 1980 | return; |
| 1981 | case ARMin_Mul: |
| 1982 | addHRegUse(u, HRmRead, hregARM_R2()); |
| 1983 | addHRegUse(u, HRmRead, hregARM_R3()); |
| 1984 | addHRegUse(u, HRmWrite, hregARM_R0()); |
| 1985 | if (i->ARMin.Mul.op != ARMmul_PLAIN) |
| 1986 | addHRegUse(u, HRmWrite, hregARM_R1()); |
| 1987 | return; |
| 1988 | case ARMin_LdrEX: |
| 1989 | addHRegUse(u, HRmWrite, hregARM_R0()); |
| 1990 | addHRegUse(u, HRmRead, hregARM_R1()); |
| 1991 | return; |
| 1992 | case ARMin_StrEX: |
| 1993 | addHRegUse(u, HRmWrite, hregARM_R0()); |
| 1994 | addHRegUse(u, HRmRead, hregARM_R1()); |
| 1995 | addHRegUse(u, HRmRead, hregARM_R2()); |
| 1996 | return; |
| 1997 | case ARMin_VLdStD: |
| 1998 | addRegUsage_ARMAModeV(u, i->ARMin.VLdStD.amode); |
| 1999 | if (i->ARMin.VLdStD.isLoad) { |
| 2000 | addHRegUse(u, HRmWrite, i->ARMin.VLdStD.dD); |
| 2001 | } else { |
| 2002 | addHRegUse(u, HRmRead, i->ARMin.VLdStD.dD); |
| 2003 | } |
| 2004 | return; |
| 2005 | case ARMin_VLdStS: |
| 2006 | addRegUsage_ARMAModeV(u, i->ARMin.VLdStS.amode); |
| 2007 | if (i->ARMin.VLdStS.isLoad) { |
| 2008 | addHRegUse(u, HRmWrite, i->ARMin.VLdStS.fD); |
| 2009 | } else { |
| 2010 | addHRegUse(u, HRmRead, i->ARMin.VLdStS.fD); |
| 2011 | } |
| 2012 | return; |
| 2013 | case ARMin_VAluD: |
| 2014 | addHRegUse(u, HRmWrite, i->ARMin.VAluD.dst); |
| 2015 | addHRegUse(u, HRmRead, i->ARMin.VAluD.argL); |
| 2016 | addHRegUse(u, HRmRead, i->ARMin.VAluD.argR); |
| 2017 | return; |
| 2018 | case ARMin_VAluS: |
| 2019 | addHRegUse(u, HRmWrite, i->ARMin.VAluS.dst); |
| 2020 | addHRegUse(u, HRmRead, i->ARMin.VAluS.argL); |
| 2021 | addHRegUse(u, HRmRead, i->ARMin.VAluS.argR); |
| 2022 | return; |
| 2023 | case ARMin_VUnaryD: |
| 2024 | addHRegUse(u, HRmWrite, i->ARMin.VUnaryD.dst); |
| 2025 | addHRegUse(u, HRmRead, i->ARMin.VUnaryD.src); |
| 2026 | return; |
| 2027 | case ARMin_VUnaryS: |
| 2028 | addHRegUse(u, HRmWrite, i->ARMin.VUnaryS.dst); |
| 2029 | addHRegUse(u, HRmRead, i->ARMin.VUnaryS.src); |
| 2030 | return; |
| 2031 | case ARMin_VCmpD: |
| 2032 | addHRegUse(u, HRmRead, i->ARMin.VCmpD.argL); |
| 2033 | addHRegUse(u, HRmRead, i->ARMin.VCmpD.argR); |
| 2034 | return; |
| 2035 | case ARMin_VCMovD: |
| 2036 | addHRegUse(u, HRmWrite, i->ARMin.VCMovD.dst); |
| 2037 | addHRegUse(u, HRmRead, i->ARMin.VCMovD.dst); |
| 2038 | addHRegUse(u, HRmRead, i->ARMin.VCMovD.src); |
| 2039 | return; |
| 2040 | case ARMin_VCMovS: |
| 2041 | addHRegUse(u, HRmWrite, i->ARMin.VCMovS.dst); |
| 2042 | addHRegUse(u, HRmRead, i->ARMin.VCMovS.dst); |
| 2043 | addHRegUse(u, HRmRead, i->ARMin.VCMovS.src); |
| 2044 | return; |
| 2045 | case ARMin_VCvtSD: |
| 2046 | addHRegUse(u, HRmWrite, i->ARMin.VCvtSD.dst); |
| 2047 | addHRegUse(u, HRmRead, i->ARMin.VCvtSD.src); |
| 2048 | return; |
| 2049 | case ARMin_VXferD: |
| 2050 | if (i->ARMin.VXferD.toD) { |
| 2051 | addHRegUse(u, HRmWrite, i->ARMin.VXferD.dD); |
| 2052 | addHRegUse(u, HRmRead, i->ARMin.VXferD.rHi); |
| 2053 | addHRegUse(u, HRmRead, i->ARMin.VXferD.rLo); |
| 2054 | } else { |
| 2055 | addHRegUse(u, HRmRead, i->ARMin.VXferD.dD); |
| 2056 | addHRegUse(u, HRmWrite, i->ARMin.VXferD.rHi); |
| 2057 | addHRegUse(u, HRmWrite, i->ARMin.VXferD.rLo); |
| 2058 | } |
| 2059 | return; |
| 2060 | case ARMin_VXferS: |
| 2061 | if (i->ARMin.VXferS.toS) { |
| 2062 | addHRegUse(u, HRmWrite, i->ARMin.VXferS.fD); |
| 2063 | addHRegUse(u, HRmRead, i->ARMin.VXferS.rLo); |
| 2064 | } else { |
| 2065 | addHRegUse(u, HRmRead, i->ARMin.VXferS.fD); |
| 2066 | addHRegUse(u, HRmWrite, i->ARMin.VXferS.rLo); |
| 2067 | } |
| 2068 | return; |
| 2069 | case ARMin_VCvtID: |
| 2070 | addHRegUse(u, HRmWrite, i->ARMin.VCvtID.dst); |
| 2071 | addHRegUse(u, HRmRead, i->ARMin.VCvtID.src); |
| 2072 | return; |
| 2073 | case ARMin_FPSCR: |
| 2074 | if (i->ARMin.FPSCR.toFPSCR) |
| 2075 | addHRegUse(u, HRmRead, i->ARMin.FPSCR.iReg); |
| 2076 | else |
| 2077 | addHRegUse(u, HRmWrite, i->ARMin.FPSCR.iReg); |
| 2078 | return; |
sewardj | 412098c | 2010-05-04 08:48:43 +0000 | [diff] [blame] | 2079 | case ARMin_MFence: |
| 2080 | return; |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 2081 | case ARMin_NLdStQ: |
| 2082 | if (i->ARMin.NLdStQ.isLoad) |
| 2083 | addHRegUse(u, HRmWrite, i->ARMin.NLdStQ.dQ); |
| 2084 | else |
| 2085 | addHRegUse(u, HRmRead, i->ARMin.NLdStQ.dQ); |
| 2086 | addRegUsage_ARMAModeN(u, i->ARMin.NLdStQ.amode); |
| 2087 | return; |
| 2088 | case ARMin_NLdStD: |
| 2089 | if (i->ARMin.NLdStD.isLoad) |
| 2090 | addHRegUse(u, HRmWrite, i->ARMin.NLdStD.dD); |
| 2091 | else |
| 2092 | addHRegUse(u, HRmRead, i->ARMin.NLdStD.dD); |
| 2093 | addRegUsage_ARMAModeN(u, i->ARMin.NLdStD.amode); |
| 2094 | return; |
| 2095 | case ARMin_NUnary: |
| 2096 | addHRegUse(u, HRmWrite, i->ARMin.NUnary.dst); |
| 2097 | addHRegUse(u, HRmRead, i->ARMin.NUnary.src); |
| 2098 | return; |
| 2099 | case ARMin_NUnaryS: |
| 2100 | addHRegUse(u, HRmWrite, i->ARMin.NUnaryS.dst->reg); |
| 2101 | addHRegUse(u, HRmRead, i->ARMin.NUnaryS.src->reg); |
| 2102 | return; |
| 2103 | case ARMin_NShift: |
| 2104 | addHRegUse(u, HRmWrite, i->ARMin.NShift.dst); |
| 2105 | addHRegUse(u, HRmRead, i->ARMin.NShift.argL); |
| 2106 | addHRegUse(u, HRmRead, i->ARMin.NShift.argR); |
| 2107 | return; |
| 2108 | case ARMin_NDual: |
| 2109 | addHRegUse(u, HRmWrite, i->ARMin.NDual.arg1); |
| 2110 | addHRegUse(u, HRmWrite, i->ARMin.NDual.arg2); |
| 2111 | addHRegUse(u, HRmRead, i->ARMin.NDual.arg1); |
| 2112 | addHRegUse(u, HRmRead, i->ARMin.NDual.arg2); |
| 2113 | return; |
| 2114 | case ARMin_NBinary: |
| 2115 | addHRegUse(u, HRmWrite, i->ARMin.NBinary.dst); |
| 2116 | /* TODO: sometimes dst is also being read! */ |
| 2117 | // XXX fix this |
| 2118 | addHRegUse(u, HRmRead, i->ARMin.NBinary.argL); |
| 2119 | addHRegUse(u, HRmRead, i->ARMin.NBinary.argR); |
| 2120 | return; |
| 2121 | case ARMin_NeonImm: |
| 2122 | addHRegUse(u, HRmWrite, i->ARMin.NeonImm.dst); |
| 2123 | return; |
| 2124 | case ARMin_NCMovQ: |
| 2125 | addHRegUse(u, HRmWrite, i->ARMin.NCMovQ.dst); |
| 2126 | addHRegUse(u, HRmRead, i->ARMin.NCMovQ.dst); |
| 2127 | addHRegUse(u, HRmRead, i->ARMin.NCMovQ.src); |
| 2128 | return; |
| 2129 | case ARMin_Add32: |
| 2130 | addHRegUse(u, HRmWrite, i->ARMin.Add32.rD); |
| 2131 | addHRegUse(u, HRmRead, i->ARMin.Add32.rN); |
| 2132 | return; |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2133 | unhandled: |
| 2134 | default: |
| 2135 | ppARMInstr(i); |
| 2136 | vpanic("getRegUsage_ARMInstr"); |
| 2137 | } |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 2138 | } |
| 2139 | |
| 2140 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2141 | void mapRegs_ARMInstr ( HRegRemap* m, ARMInstr* i, Bool mode64 ) |
| 2142 | { |
| 2143 | vassert(mode64 == False); |
| 2144 | switch (i->tag) { |
| 2145 | case ARMin_Alu: |
| 2146 | i->ARMin.Alu.dst = lookupHRegRemap(m, i->ARMin.Alu.dst); |
| 2147 | i->ARMin.Alu.argL = lookupHRegRemap(m, i->ARMin.Alu.argL); |
| 2148 | mapRegs_ARMRI84(m, i->ARMin.Alu.argR); |
| 2149 | return; |
| 2150 | case ARMin_Shift: |
| 2151 | i->ARMin.Shift.dst = lookupHRegRemap(m, i->ARMin.Shift.dst); |
| 2152 | i->ARMin.Shift.argL = lookupHRegRemap(m, i->ARMin.Shift.argL); |
| 2153 | mapRegs_ARMRI5(m, i->ARMin.Shift.argR); |
| 2154 | return; |
| 2155 | case ARMin_Unary: |
| 2156 | i->ARMin.Unary.dst = lookupHRegRemap(m, i->ARMin.Unary.dst); |
| 2157 | i->ARMin.Unary.src = lookupHRegRemap(m, i->ARMin.Unary.src); |
| 2158 | return; |
| 2159 | case ARMin_CmpOrTst: |
| 2160 | i->ARMin.CmpOrTst.argL = lookupHRegRemap(m, i->ARMin.CmpOrTst.argL); |
| 2161 | mapRegs_ARMRI84(m, i->ARMin.CmpOrTst.argR); |
| 2162 | return; |
| 2163 | case ARMin_Mov: |
| 2164 | i->ARMin.Mov.dst = lookupHRegRemap(m, i->ARMin.Mov.dst); |
| 2165 | mapRegs_ARMRI84(m, i->ARMin.Mov.src); |
| 2166 | return; |
| 2167 | case ARMin_Imm32: |
| 2168 | i->ARMin.Imm32.dst = lookupHRegRemap(m, i->ARMin.Imm32.dst); |
| 2169 | return; |
| 2170 | case ARMin_LdSt32: |
| 2171 | i->ARMin.LdSt32.rD = lookupHRegRemap(m, i->ARMin.LdSt32.rD); |
| 2172 | mapRegs_ARMAMode1(m, i->ARMin.LdSt32.amode); |
| 2173 | return; |
| 2174 | case ARMin_LdSt16: |
| 2175 | i->ARMin.LdSt16.rD = lookupHRegRemap(m, i->ARMin.LdSt16.rD); |
| 2176 | mapRegs_ARMAMode2(m, i->ARMin.LdSt16.amode); |
| 2177 | return; |
| 2178 | case ARMin_LdSt8U: |
| 2179 | i->ARMin.LdSt8U.rD = lookupHRegRemap(m, i->ARMin.LdSt8U.rD); |
| 2180 | mapRegs_ARMAMode1(m, i->ARMin.LdSt8U.amode); |
| 2181 | return; |
| 2182 | case ARMin_Ld8S: |
| 2183 | goto unhandled; |
| 2184 | case ARMin_Goto: |
| 2185 | i->ARMin.Goto.gnext = lookupHRegRemap(m, i->ARMin.Goto.gnext); |
| 2186 | return; |
| 2187 | case ARMin_CMov: |
| 2188 | i->ARMin.CMov.dst = lookupHRegRemap(m, i->ARMin.CMov.dst); |
| 2189 | mapRegs_ARMRI84(m, i->ARMin.CMov.src); |
| 2190 | return; |
| 2191 | case ARMin_Call: |
| 2192 | return; |
| 2193 | case ARMin_Mul: |
| 2194 | return; |
| 2195 | case ARMin_LdrEX: |
| 2196 | return; |
| 2197 | case ARMin_StrEX: |
| 2198 | return; |
| 2199 | case ARMin_VLdStD: |
| 2200 | i->ARMin.VLdStD.dD = lookupHRegRemap(m, i->ARMin.VLdStD.dD); |
| 2201 | mapRegs_ARMAModeV(m, i->ARMin.VLdStD.amode); |
| 2202 | return; |
| 2203 | case ARMin_VLdStS: |
| 2204 | i->ARMin.VLdStS.fD = lookupHRegRemap(m, i->ARMin.VLdStS.fD); |
| 2205 | mapRegs_ARMAModeV(m, i->ARMin.VLdStS.amode); |
| 2206 | return; |
| 2207 | case ARMin_VAluD: |
| 2208 | i->ARMin.VAluD.dst = lookupHRegRemap(m, i->ARMin.VAluD.dst); |
| 2209 | i->ARMin.VAluD.argL = lookupHRegRemap(m, i->ARMin.VAluD.argL); |
| 2210 | i->ARMin.VAluD.argR = lookupHRegRemap(m, i->ARMin.VAluD.argR); |
| 2211 | return; |
| 2212 | case ARMin_VAluS: |
| 2213 | i->ARMin.VAluS.dst = lookupHRegRemap(m, i->ARMin.VAluS.dst); |
| 2214 | i->ARMin.VAluS.argL = lookupHRegRemap(m, i->ARMin.VAluS.argL); |
| 2215 | i->ARMin.VAluS.argR = lookupHRegRemap(m, i->ARMin.VAluS.argR); |
| 2216 | return; |
| 2217 | case ARMin_VUnaryD: |
| 2218 | i->ARMin.VUnaryD.dst = lookupHRegRemap(m, i->ARMin.VUnaryD.dst); |
| 2219 | i->ARMin.VUnaryD.src = lookupHRegRemap(m, i->ARMin.VUnaryD.src); |
| 2220 | return; |
| 2221 | case ARMin_VUnaryS: |
| 2222 | i->ARMin.VUnaryS.dst = lookupHRegRemap(m, i->ARMin.VUnaryS.dst); |
| 2223 | i->ARMin.VUnaryS.src = lookupHRegRemap(m, i->ARMin.VUnaryS.src); |
| 2224 | return; |
| 2225 | case ARMin_VCmpD: |
| 2226 | i->ARMin.VCmpD.argL = lookupHRegRemap(m, i->ARMin.VCmpD.argL); |
| 2227 | i->ARMin.VCmpD.argR = lookupHRegRemap(m, i->ARMin.VCmpD.argR); |
| 2228 | return; |
| 2229 | case ARMin_VCMovD: |
| 2230 | i->ARMin.VCMovD.dst = lookupHRegRemap(m, i->ARMin.VCMovD.dst); |
| 2231 | i->ARMin.VCMovD.src = lookupHRegRemap(m, i->ARMin.VCMovD.src); |
| 2232 | return; |
| 2233 | case ARMin_VCMovS: |
| 2234 | i->ARMin.VCMovS.dst = lookupHRegRemap(m, i->ARMin.VCMovS.dst); |
| 2235 | i->ARMin.VCMovS.src = lookupHRegRemap(m, i->ARMin.VCMovS.src); |
| 2236 | return; |
| 2237 | case ARMin_VCvtSD: |
| 2238 | i->ARMin.VCvtSD.dst = lookupHRegRemap(m, i->ARMin.VCvtSD.dst); |
| 2239 | i->ARMin.VCvtSD.src = lookupHRegRemap(m, i->ARMin.VCvtSD.src); |
| 2240 | return; |
| 2241 | case ARMin_VXferD: |
| 2242 | i->ARMin.VXferD.dD = lookupHRegRemap(m, i->ARMin.VXferD.dD); |
| 2243 | i->ARMin.VXferD.rHi = lookupHRegRemap(m, i->ARMin.VXferD.rHi); |
| 2244 | i->ARMin.VXferD.rLo = lookupHRegRemap(m, i->ARMin.VXferD.rLo); |
| 2245 | return; |
| 2246 | case ARMin_VXferS: |
| 2247 | i->ARMin.VXferS.fD = lookupHRegRemap(m, i->ARMin.VXferS.fD); |
| 2248 | i->ARMin.VXferS.rLo = lookupHRegRemap(m, i->ARMin.VXferS.rLo); |
| 2249 | return; |
| 2250 | case ARMin_VCvtID: |
| 2251 | i->ARMin.VCvtID.dst = lookupHRegRemap(m, i->ARMin.VCvtID.dst); |
| 2252 | i->ARMin.VCvtID.src = lookupHRegRemap(m, i->ARMin.VCvtID.src); |
| 2253 | return; |
| 2254 | case ARMin_FPSCR: |
| 2255 | i->ARMin.FPSCR.iReg = lookupHRegRemap(m, i->ARMin.FPSCR.iReg); |
| 2256 | return; |
sewardj | 412098c | 2010-05-04 08:48:43 +0000 | [diff] [blame] | 2257 | case ARMin_MFence: |
| 2258 | return; |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 2259 | case ARMin_NLdStQ: |
| 2260 | i->ARMin.NLdStQ.dQ = lookupHRegRemap(m, i->ARMin.NLdStQ.dQ); |
| 2261 | mapRegs_ARMAModeN(m, i->ARMin.NLdStQ.amode); |
| 2262 | return; |
| 2263 | case ARMin_NLdStD: |
| 2264 | i->ARMin.NLdStD.dD = lookupHRegRemap(m, i->ARMin.NLdStD.dD); |
| 2265 | mapRegs_ARMAModeN(m, i->ARMin.NLdStD.amode); |
| 2266 | return; |
| 2267 | case ARMin_NUnary: |
| 2268 | i->ARMin.NUnary.src = lookupHRegRemap(m, i->ARMin.NUnary.src); |
| 2269 | i->ARMin.NUnary.dst = lookupHRegRemap(m, i->ARMin.NUnary.dst); |
| 2270 | return; |
| 2271 | case ARMin_NUnaryS: |
| 2272 | i->ARMin.NUnaryS.src->reg |
| 2273 | = lookupHRegRemap(m, i->ARMin.NUnaryS.src->reg); |
| 2274 | i->ARMin.NUnaryS.dst->reg |
| 2275 | = lookupHRegRemap(m, i->ARMin.NUnaryS.dst->reg); |
| 2276 | return; |
| 2277 | case ARMin_NShift: |
| 2278 | i->ARMin.NShift.dst = lookupHRegRemap(m, i->ARMin.NShift.dst); |
| 2279 | i->ARMin.NShift.argL = lookupHRegRemap(m, i->ARMin.NShift.argL); |
| 2280 | i->ARMin.NShift.argR = lookupHRegRemap(m, i->ARMin.NShift.argR); |
| 2281 | return; |
| 2282 | case ARMin_NDual: |
| 2283 | i->ARMin.NDual.arg1 = lookupHRegRemap(m, i->ARMin.NDual.arg1); |
| 2284 | i->ARMin.NDual.arg2 = lookupHRegRemap(m, i->ARMin.NDual.arg2); |
| 2285 | return; |
| 2286 | case ARMin_NBinary: |
| 2287 | i->ARMin.NBinary.argL = lookupHRegRemap(m, i->ARMin.NBinary.argL); |
| 2288 | i->ARMin.NBinary.argR = lookupHRegRemap(m, i->ARMin.NBinary.argR); |
| 2289 | i->ARMin.NBinary.dst = lookupHRegRemap(m, i->ARMin.NBinary.dst); |
| 2290 | return; |
| 2291 | case ARMin_NeonImm: |
| 2292 | i->ARMin.NeonImm.dst = lookupHRegRemap(m, i->ARMin.NeonImm.dst); |
| 2293 | return; |
| 2294 | case ARMin_NCMovQ: |
| 2295 | i->ARMin.NCMovQ.dst = lookupHRegRemap(m, i->ARMin.NCMovQ.dst); |
| 2296 | i->ARMin.NCMovQ.src = lookupHRegRemap(m, i->ARMin.NCMovQ.src); |
| 2297 | return; |
| 2298 | case ARMin_Add32: |
| 2299 | i->ARMin.Add32.rD = lookupHRegRemap(m, i->ARMin.Add32.rD); |
| 2300 | i->ARMin.Add32.rN = lookupHRegRemap(m, i->ARMin.Add32.rN); |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2301 | unhandled: |
| 2302 | default: |
| 2303 | ppARMInstr(i); |
| 2304 | vpanic("mapRegs_ARMInstr"); |
| 2305 | } |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 2306 | } |
| 2307 | |
| 2308 | /* Figure out if i represents a reg-reg move, and if so assign the |
| 2309 | source and destination to *src and *dst. If in doubt say No. Used |
| 2310 | by the register allocator to do move coalescing. |
| 2311 | */ |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2312 | Bool isMove_ARMInstr ( ARMInstr* i, HReg* src, HReg* dst ) |
| 2313 | { |
| 2314 | /* Moves between integer regs */ |
| 2315 | switch (i->tag) { |
| 2316 | case ARMin_Mov: |
| 2317 | if (i->ARMin.Mov.src->tag == ARMri84_R) { |
| 2318 | *src = i->ARMin.Mov.src->ARMri84.R.reg; |
| 2319 | *dst = i->ARMin.Mov.dst; |
| 2320 | return True; |
| 2321 | } |
| 2322 | break; |
| 2323 | case ARMin_VUnaryD: |
| 2324 | if (i->ARMin.VUnaryD.op == ARMvfpu_COPY) { |
| 2325 | *src = i->ARMin.VUnaryD.src; |
| 2326 | *dst = i->ARMin.VUnaryD.dst; |
| 2327 | return True; |
| 2328 | } |
| 2329 | break; |
| 2330 | case ARMin_VUnaryS: |
| 2331 | if (i->ARMin.VUnaryS.op == ARMvfpu_COPY) { |
| 2332 | *src = i->ARMin.VUnaryS.src; |
| 2333 | *dst = i->ARMin.VUnaryS.dst; |
| 2334 | return True; |
| 2335 | } |
| 2336 | break; |
| 2337 | default: |
| 2338 | break; |
| 2339 | } |
| 2340 | |
| 2341 | // todo: float, vector moves |
| 2342 | return False; |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 2343 | } |
| 2344 | |
| 2345 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2346 | /* Generate arm spill/reload instructions under the direction of the |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 2347 | register allocator. Note it's critical these don't write the |
| 2348 | condition codes. */ |
| 2349 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2350 | void genSpill_ARM ( /*OUT*/HInstr** i1, /*OUT*/HInstr** i2, |
| 2351 | HReg rreg, Int offsetB, Bool mode64 ) |
| 2352 | { |
| 2353 | HRegClass rclass; |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 2354 | vassert(offsetB >= 0); |
| 2355 | vassert(!hregIsVirtual(rreg)); |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2356 | vassert(mode64 == False); |
| 2357 | *i1 = *i2 = NULL; |
| 2358 | rclass = hregClass(rreg); |
| 2359 | switch (rclass) { |
| 2360 | case HRcInt32: |
| 2361 | vassert(offsetB <= 4095); |
| 2362 | *i1 = ARMInstr_LdSt32( False/*!isLoad*/, |
| 2363 | rreg, |
| 2364 | ARMAMode1_RI(hregARM_R8(), offsetB) ); |
| 2365 | return; |
| 2366 | case HRcFlt32: |
| 2367 | case HRcFlt64: { |
| 2368 | HReg r8 = hregARM_R8(); /* baseblock */ |
| 2369 | HReg r12 = hregARM_R12(); /* spill temp */ |
| 2370 | HReg base = r8; |
| 2371 | vassert(0 == (offsetB & 3)); |
| 2372 | if (offsetB >= 1024) { |
sewardj | e30973c | 2010-09-01 10:25:51 +0000 | [diff] [blame] | 2373 | Int offsetKB = offsetB / 1024; |
| 2374 | /* r12 = r8 + (1024 * offsetKB) */ |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2375 | *i1 = ARMInstr_Alu(ARMalu_ADD, r12, r8, |
sewardj | e30973c | 2010-09-01 10:25:51 +0000 | [diff] [blame] | 2376 | ARMRI84_I84(offsetKB, 11)); |
| 2377 | offsetB -= (1024 * offsetKB); |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2378 | base = r12; |
| 2379 | } |
| 2380 | vassert(offsetB <= 1020); |
| 2381 | if (rclass == HRcFlt32) { |
| 2382 | *i2 = ARMInstr_VLdStS( False/*!isLoad*/, |
| 2383 | rreg, |
| 2384 | mkARMAModeV(base, offsetB) ); |
| 2385 | } else { |
| 2386 | *i2 = ARMInstr_VLdStD( False/*!isLoad*/, |
| 2387 | rreg, |
| 2388 | mkARMAModeV(base, offsetB) ); |
| 2389 | } |
| 2390 | return; |
| 2391 | } |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 2392 | case HRcVec128: { |
| 2393 | HReg r8 = hregARM_R8(); |
| 2394 | HReg r12 = hregARM_R12(); |
| 2395 | *i1 = ARMInstr_Add32(r12, r8, offsetB); |
| 2396 | *i2 = ARMInstr_NLdStQ(False, rreg, mkARMAModeN_R(r12)); |
| 2397 | return; |
| 2398 | } |
| 2399 | default: |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2400 | ppHRegClass(rclass); |
| 2401 | vpanic("genSpill_ARM: unimplemented regclass"); |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 2402 | } |
| 2403 | } |
| 2404 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2405 | void genReload_ARM ( /*OUT*/HInstr** i1, /*OUT*/HInstr** i2, |
| 2406 | HReg rreg, Int offsetB, Bool mode64 ) |
| 2407 | { |
| 2408 | HRegClass rclass; |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 2409 | vassert(offsetB >= 0); |
| 2410 | vassert(!hregIsVirtual(rreg)); |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2411 | vassert(mode64 == False); |
| 2412 | *i1 = *i2 = NULL; |
| 2413 | rclass = hregClass(rreg); |
| 2414 | switch (rclass) { |
| 2415 | case HRcInt32: |
| 2416 | vassert(offsetB <= 4095); |
| 2417 | *i1 = ARMInstr_LdSt32( True/*isLoad*/, |
| 2418 | rreg, |
| 2419 | ARMAMode1_RI(hregARM_R8(), offsetB) ); |
| 2420 | return; |
| 2421 | case HRcFlt32: |
| 2422 | case HRcFlt64: { |
| 2423 | HReg r8 = hregARM_R8(); /* baseblock */ |
| 2424 | HReg r12 = hregARM_R12(); /* spill temp */ |
| 2425 | HReg base = r8; |
| 2426 | vassert(0 == (offsetB & 3)); |
| 2427 | if (offsetB >= 1024) { |
sewardj | e30973c | 2010-09-01 10:25:51 +0000 | [diff] [blame] | 2428 | Int offsetKB = offsetB / 1024; |
| 2429 | /* r12 = r8 + (1024 * offsetKB) */ |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2430 | *i1 = ARMInstr_Alu(ARMalu_ADD, r12, r8, |
sewardj | e30973c | 2010-09-01 10:25:51 +0000 | [diff] [blame] | 2431 | ARMRI84_I84(offsetKB, 11)); |
| 2432 | offsetB -= (1024 * offsetKB); |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2433 | base = r12; |
| 2434 | } |
| 2435 | vassert(offsetB <= 1020); |
| 2436 | if (rclass == HRcFlt32) { |
| 2437 | *i2 = ARMInstr_VLdStS( True/*isLoad*/, |
| 2438 | rreg, |
| 2439 | mkARMAModeV(base, offsetB) ); |
| 2440 | } else { |
| 2441 | *i2 = ARMInstr_VLdStD( True/*isLoad*/, |
| 2442 | rreg, |
| 2443 | mkARMAModeV(base, offsetB) ); |
| 2444 | } |
| 2445 | return; |
| 2446 | } |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 2447 | case HRcVec128: { |
| 2448 | HReg r8 = hregARM_R8(); |
| 2449 | HReg r12 = hregARM_R12(); |
| 2450 | *i1 = ARMInstr_Add32(r12, r8, offsetB); |
| 2451 | *i2 = ARMInstr_NLdStQ(True, rreg, mkARMAModeN_R(r12)); |
| 2452 | return; |
| 2453 | } |
| 2454 | default: |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2455 | ppHRegClass(rclass); |
| 2456 | vpanic("genReload_ARM: unimplemented regclass"); |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 2457 | } |
| 2458 | } |
| 2459 | |
| 2460 | |
| 2461 | /* Emit an instruction into buf and return the number of bytes used. |
| 2462 | Note that buf is not the insn's final place, and therefore it is |
| 2463 | imperative to emit position-independent code. */ |
| 2464 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2465 | static inline UChar iregNo ( HReg r ) |
| 2466 | { |
| 2467 | UInt n; |
| 2468 | vassert(hregClass(r) == HRcInt32); |
| 2469 | vassert(!hregIsVirtual(r)); |
| 2470 | n = hregNumber(r); |
| 2471 | vassert(n <= 15); |
| 2472 | return toUChar(n); |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 2473 | } |
| 2474 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2475 | static inline UChar dregNo ( HReg r ) |
| 2476 | { |
| 2477 | UInt n; |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 2478 | if (hregClass(r) != HRcFlt64) |
| 2479 | ppHRegClass(hregClass(r)); |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2480 | vassert(hregClass(r) == HRcFlt64); |
| 2481 | vassert(!hregIsVirtual(r)); |
| 2482 | n = hregNumber(r); |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 2483 | vassert(n <= 31); |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2484 | return toUChar(n); |
| 2485 | } |
| 2486 | |
| 2487 | static inline UChar fregNo ( HReg r ) |
| 2488 | { |
| 2489 | UInt n; |
| 2490 | vassert(hregClass(r) == HRcFlt32); |
| 2491 | vassert(!hregIsVirtual(r)); |
| 2492 | n = hregNumber(r); |
| 2493 | vassert(n <= 31); |
| 2494 | return toUChar(n); |
| 2495 | } |
| 2496 | |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 2497 | static inline UChar qregNo ( HReg r ) |
| 2498 | { |
| 2499 | UInt n; |
| 2500 | vassert(hregClass(r) == HRcVec128); |
| 2501 | vassert(!hregIsVirtual(r)); |
| 2502 | n = hregNumber(r); |
| 2503 | vassert(n <= 15); |
| 2504 | return toUChar(n); |
| 2505 | } |
| 2506 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2507 | #define BITS4(zzb3,zzb2,zzb1,zzb0) \ |
| 2508 | (((zzb3) << 3) | ((zzb2) << 2) | ((zzb1) << 1) | (zzb0)) |
| 2509 | #define X0000 BITS4(0,0,0,0) |
| 2510 | #define X0001 BITS4(0,0,0,1) |
| 2511 | #define X0010 BITS4(0,0,1,0) |
| 2512 | #define X0011 BITS4(0,0,1,1) |
| 2513 | #define X0100 BITS4(0,1,0,0) |
| 2514 | #define X0101 BITS4(0,1,0,1) |
| 2515 | #define X0110 BITS4(0,1,1,0) |
| 2516 | #define X0111 BITS4(0,1,1,1) |
| 2517 | #define X1000 BITS4(1,0,0,0) |
| 2518 | #define X1001 BITS4(1,0,0,1) |
| 2519 | #define X1010 BITS4(1,0,1,0) |
| 2520 | #define X1011 BITS4(1,0,1,1) |
| 2521 | #define X1100 BITS4(1,1,0,0) |
| 2522 | #define X1101 BITS4(1,1,0,1) |
| 2523 | #define X1110 BITS4(1,1,1,0) |
| 2524 | #define X1111 BITS4(1,1,1,1) |
| 2525 | |
| 2526 | #define XXXXX___(zzx7,zzx6,zzx5,zzx4,zzx3) \ |
| 2527 | ((((zzx7) & 0xF) << 28) | (((zzx6) & 0xF) << 24) | \ |
| 2528 | (((zzx5) & 0xF) << 20) | (((zzx4) & 0xF) << 16) | \ |
| 2529 | (((zzx3) & 0xF) << 12)) |
| 2530 | |
| 2531 | #define XXXXXX__(zzx7,zzx6,zzx5,zzx4,zzx3,zzx2) \ |
| 2532 | ((((zzx7) & 0xF) << 28) | (((zzx6) & 0xF) << 24) | \ |
| 2533 | (((zzx5) & 0xF) << 20) | (((zzx4) & 0xF) << 16) | \ |
| 2534 | (((zzx3) & 0xF) << 12) | (((zzx2) & 0xF) << 8)) |
| 2535 | |
| 2536 | #define XXXXX__X(zzx7,zzx6,zzx5,zzx4,zzx3,zzx0) \ |
| 2537 | ((((zzx7) & 0xF) << 28) | (((zzx6) & 0xF) << 24) | \ |
| 2538 | (((zzx5) & 0xF) << 20) | (((zzx4) & 0xF) << 16) | \ |
| 2539 | (((zzx3) & 0xF) << 12) | (((zzx0) & 0xF) << 0)) |
| 2540 | |
| 2541 | #define XXX___XX(zzx7,zzx6,zzx5,zzx1,zzx0) \ |
| 2542 | ((((zzx7) & 0xF) << 28) | (((zzx6) & 0xF) << 24) | \ |
| 2543 | (((zzx5) & 0xF) << 20) | (((zzx1) & 0xF) << 4) | \ |
| 2544 | (((zzx0) & 0xF) << 0)) |
| 2545 | |
| 2546 | #define XXXXXXXX(zzx7,zzx6,zzx5,zzx4,zzx3,zzx2,zzx1,zzx0) \ |
| 2547 | ((((zzx7) & 0xF) << 28) | (((zzx6) & 0xF) << 24) | \ |
| 2548 | (((zzx5) & 0xF) << 20) | (((zzx4) & 0xF) << 16) | \ |
| 2549 | (((zzx3) & 0xF) << 12) | (((zzx2) & 0xF) << 8) | \ |
| 2550 | (((zzx1) & 0xF) << 4) | (((zzx0) & 0xF) << 0)) |
| 2551 | |
| 2552 | /* Generate a skeletal insn that involves an a RI84 shifter operand. |
| 2553 | Returns a word which is all zeroes apart from bits 25 and 11..0, |
| 2554 | since it is those that encode the shifter operand (at least to the |
| 2555 | extent that we care about it.) */ |
| 2556 | static UInt skeletal_RI84 ( ARMRI84* ri ) |
| 2557 | { |
| 2558 | UInt instr; |
| 2559 | if (ri->tag == ARMri84_I84) { |
| 2560 | vassert(0 == (ri->ARMri84.I84.imm4 & ~0x0F)); |
| 2561 | vassert(0 == (ri->ARMri84.I84.imm8 & ~0xFF)); |
| 2562 | instr = 1 << 25; |
| 2563 | instr |= (ri->ARMri84.I84.imm4 << 8); |
| 2564 | instr |= ri->ARMri84.I84.imm8; |
| 2565 | } else { |
| 2566 | instr = 0 << 25; |
| 2567 | instr |= iregNo(ri->ARMri84.R.reg); |
| 2568 | } |
| 2569 | return instr; |
| 2570 | } |
| 2571 | |
| 2572 | /* Ditto for RI5. Resulting word is zeroes apart from bit 4 and bits |
| 2573 | 11..7. */ |
| 2574 | static UInt skeletal_RI5 ( ARMRI5* ri ) |
| 2575 | { |
| 2576 | UInt instr; |
| 2577 | if (ri->tag == ARMri5_I5) { |
| 2578 | UInt imm5 = ri->ARMri5.I5.imm5; |
| 2579 | vassert(imm5 >= 1 && imm5 <= 31); |
| 2580 | instr = 0 << 4; |
| 2581 | instr |= imm5 << 7; |
| 2582 | } else { |
| 2583 | instr = 1 << 4; |
| 2584 | instr |= iregNo(ri->ARMri5.R.reg) << 8; |
| 2585 | } |
| 2586 | return instr; |
| 2587 | } |
| 2588 | |
| 2589 | |
| 2590 | /* Get an immediate into a register, using only that |
| 2591 | register. (very lame..) */ |
| 2592 | static UInt* imm32_to_iregNo ( UInt* p, Int rD, UInt imm32 ) |
| 2593 | { |
| 2594 | UInt instr; |
| 2595 | vassert(rD >= 0 && rD <= 14); // r15 not good to mess with! |
| 2596 | #if 0 |
| 2597 | if (0 == (imm32 & ~0xFF)) { |
| 2598 | /* mov with a immediate shifter operand of (0, imm32) (??) */ |
| 2599 | instr = XXXXXX__(X1110,X0011,X1010,X0000,rD,X0000); |
| 2600 | instr |= imm32; |
| 2601 | *p++ = instr; |
| 2602 | } else { |
| 2603 | // this is very bad; causes Dcache pollution |
| 2604 | // ldr rD, [pc] |
| 2605 | instr = XXXXX___(X1110,X0101,X1001,X1111,rD); |
| 2606 | *p++ = instr; |
| 2607 | // b .+8 |
| 2608 | instr = 0xEA000000; |
| 2609 | *p++ = instr; |
| 2610 | // .word imm32 |
| 2611 | *p++ = imm32; |
| 2612 | } |
| 2613 | #else |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 2614 | if (VEX_ARM_ARCHLEVEL(arm_hwcaps) > 6) { |
| 2615 | /* Generate movw rD, #low16. Then, if the high 16 are |
| 2616 | nonzero, generate movt rD, #high16. */ |
| 2617 | UInt lo16 = imm32 & 0xFFFF; |
| 2618 | UInt hi16 = (imm32 >> 16) & 0xFFFF; |
| 2619 | instr = XXXXXXXX(0xE, 0x3, 0x0, (lo16 >> 12) & 0xF, rD, |
| 2620 | (lo16 >> 8) & 0xF, (lo16 >> 4) & 0xF, |
| 2621 | lo16 & 0xF); |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2622 | *p++ = instr; |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 2623 | if (hi16 != 0) { |
| 2624 | instr = XXXXXXXX(0xE, 0x3, 0x4, (hi16 >> 12) & 0xF, rD, |
| 2625 | (hi16 >> 8) & 0xF, (hi16 >> 4) & 0xF, |
| 2626 | hi16 & 0xF); |
| 2627 | *p++ = instr; |
| 2628 | } |
| 2629 | } else { |
| 2630 | UInt imm, rot; |
| 2631 | UInt op = X1010; |
| 2632 | UInt rN = 0; |
| 2633 | if ((imm32 & 0xFF) || (imm32 == 0)) { |
| 2634 | imm = imm32 & 0xFF; |
| 2635 | rot = 0; |
| 2636 | instr = XXXXXXXX(0xE, 0x3, op, rN, rD, rot, imm >> 4, imm & 0xF); |
| 2637 | *p++ = instr; |
| 2638 | op = X1000; |
| 2639 | rN = rD; |
| 2640 | } |
| 2641 | if (imm32 & 0xFF000000) { |
| 2642 | imm = (imm32 >> 24) & 0xFF; |
| 2643 | rot = 4; |
| 2644 | instr = XXXXXXXX(0xE, 0x3, op, rN, rD, rot, imm >> 4, imm & 0xF); |
| 2645 | *p++ = instr; |
| 2646 | op = X1000; |
| 2647 | rN = rD; |
| 2648 | } |
| 2649 | if (imm32 & 0xFF0000) { |
| 2650 | imm = (imm32 >> 16) & 0xFF; |
| 2651 | rot = 8; |
| 2652 | instr = XXXXXXXX(0xE, 0x3, op, rN, rD, rot, imm >> 4, imm & 0xF); |
| 2653 | *p++ = instr; |
| 2654 | op = X1000; |
| 2655 | rN = rD; |
| 2656 | } |
| 2657 | if (imm32 & 0xFF00) { |
| 2658 | imm = (imm32 >> 8) & 0xFF; |
| 2659 | rot = 12; |
| 2660 | instr = XXXXXXXX(0xE, 0x3, op, rN, rD, rot, imm >> 4, imm & 0xF); |
| 2661 | *p++ = instr; |
| 2662 | op = X1000; |
| 2663 | rN = rD; |
| 2664 | } |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2665 | } |
| 2666 | #endif |
| 2667 | return p; |
| 2668 | } |
| 2669 | |
| 2670 | |
| 2671 | Int emit_ARMInstr ( UChar* buf, Int nbuf, ARMInstr* i, |
| 2672 | Bool mode64, void* dispatch ) |
| 2673 | { |
| 2674 | UInt* p = (UInt*)buf; |
| 2675 | vassert(nbuf >= 32); |
| 2676 | vassert(mode64 == False); |
| 2677 | vassert(0 == (((HWord)buf) & 3)); |
| 2678 | /* since we branch to lr(r13) to get back to dispatch: */ |
| 2679 | vassert(dispatch == NULL); |
| 2680 | |
| 2681 | switch (i->tag) { |
| 2682 | case ARMin_Alu: { |
| 2683 | UInt instr, subopc; |
| 2684 | UInt rD = iregNo(i->ARMin.Alu.dst); |
| 2685 | UInt rN = iregNo(i->ARMin.Alu.argL); |
| 2686 | ARMRI84* argR = i->ARMin.Alu.argR; |
| 2687 | switch (i->ARMin.Alu.op) { |
| 2688 | case ARMalu_ADDS: /* fallthru */ |
| 2689 | case ARMalu_ADD: subopc = X0100; break; |
| 2690 | case ARMalu_ADC: subopc = X0101; break; |
| 2691 | case ARMalu_SUBS: /* fallthru */ |
| 2692 | case ARMalu_SUB: subopc = X0010; break; |
| 2693 | case ARMalu_SBC: subopc = X0110; break; |
| 2694 | case ARMalu_AND: subopc = X0000; break; |
| 2695 | case ARMalu_BIC: subopc = X1110; break; |
| 2696 | case ARMalu_OR: subopc = X1100; break; |
| 2697 | case ARMalu_XOR: subopc = X0001; break; |
| 2698 | default: goto bad; |
| 2699 | } |
| 2700 | instr = skeletal_RI84(argR); |
| 2701 | instr |= XXXXX___(X1110, (1 & (subopc >> 3)), |
| 2702 | (subopc << 1) & 0xF, rN, rD); |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 2703 | if (i->ARMin.Alu.op == ARMalu_ADDS |
| 2704 | || i->ARMin.Alu.op == ARMalu_SUBS) { |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 2705 | instr |= 1<<20; /* set the S bit */ |
| 2706 | } |
| 2707 | *p++ = instr; |
| 2708 | goto done; |
| 2709 | } |
| 2710 | case ARMin_Shift: { |
| 2711 | UInt instr, subopc; |
| 2712 | HReg rD = iregNo(i->ARMin.Shift.dst); |
| 2713 | HReg rM = iregNo(i->ARMin.Shift.argL); |
| 2714 | ARMRI5* argR = i->ARMin.Shift.argR; |
| 2715 | switch (i->ARMin.Shift.op) { |
| 2716 | case ARMsh_SHL: subopc = X0000; break; |
| 2717 | case ARMsh_SHR: subopc = X0001; break; |
| 2718 | case ARMsh_SAR: subopc = X0010; break; |
| 2719 | default: goto bad; |
| 2720 | } |
| 2721 | instr = skeletal_RI5(argR); |
| 2722 | instr |= XXXXX__X(X1110,X0001,X1010,X0000,rD, /* _ _ */ rM); |
| 2723 | instr |= (subopc & 3) << 5; |
| 2724 | *p++ = instr; |
| 2725 | goto done; |
| 2726 | } |
| 2727 | case ARMin_Unary: { |
| 2728 | UInt instr; |
| 2729 | HReg rDst = iregNo(i->ARMin.Unary.dst); |
| 2730 | HReg rSrc = iregNo(i->ARMin.Unary.src); |
| 2731 | switch (i->ARMin.Unary.op) { |
| 2732 | case ARMun_CLZ: |
| 2733 | instr = XXXXXXXX(X1110,X0001,X0110,X1111, |
| 2734 | rDst,X1111,X0001,rSrc); |
| 2735 | *p++ = instr; |
| 2736 | goto done; |
| 2737 | case ARMun_NEG: /* RSB rD,rS,#0 */ |
| 2738 | instr = XXXXX___(X1110,0x2,0x6,rSrc,rDst); |
| 2739 | *p++ = instr; |
| 2740 | goto done; |
| 2741 | case ARMun_NOT: { |
| 2742 | UInt subopc = X1111; /* MVN */ |
| 2743 | instr = rSrc; |
| 2744 | instr |= XXXXX___(X1110, (1 & (subopc >> 3)), |
| 2745 | (subopc << 1) & 0xF, 0, rDst); |
| 2746 | *p++ = instr; |
| 2747 | goto done; |
| 2748 | } |
| 2749 | default: |
| 2750 | break; |
| 2751 | } |
| 2752 | goto bad; |
| 2753 | } |
| 2754 | case ARMin_CmpOrTst: { |
| 2755 | UInt instr = skeletal_RI84(i->ARMin.CmpOrTst.argR); |
| 2756 | UInt subopc = i->ARMin.CmpOrTst.isCmp ? X1010 : X1000; |
| 2757 | UInt SBZ = 0; |
| 2758 | instr |= XXXXX___(X1110, (1 & (subopc >> 3)), |
| 2759 | ((subopc << 1) & 0xF) | 1, |
| 2760 | i->ARMin.CmpOrTst.argL, SBZ ); |
| 2761 | *p++ = instr; |
| 2762 | goto done; |
| 2763 | } |
| 2764 | case ARMin_Mov: { |
| 2765 | UInt instr = skeletal_RI84(i->ARMin.Mov.src); |
| 2766 | UInt subopc = X1101; /* MOV */ |
| 2767 | UInt SBZ = 0; |
| 2768 | instr |= XXXXX___(X1110, (1 & (subopc >> 3)), |
| 2769 | (subopc << 1) & 0xF, SBZ, i->ARMin.Mov.dst); |
| 2770 | *p++ = instr; |
| 2771 | goto done; |
| 2772 | } |
| 2773 | case ARMin_Imm32: { |
| 2774 | p = imm32_to_iregNo( (UInt*)p, iregNo(i->ARMin.Imm32.dst), |
| 2775 | i->ARMin.Imm32.imm32 ); |
| 2776 | goto done; |
| 2777 | } |
| 2778 | case ARMin_LdSt32: |
| 2779 | case ARMin_LdSt8U: { |
| 2780 | UInt bL, bB; |
| 2781 | HReg rD; |
| 2782 | ARMAMode1* am; |
| 2783 | if (i->tag == ARMin_LdSt32) { |
| 2784 | bB = 0; |
| 2785 | bL = i->ARMin.LdSt32.isLoad ? 1 : 0; |
| 2786 | am = i->ARMin.LdSt32.amode; |
| 2787 | rD = i->ARMin.LdSt32.rD; |
| 2788 | } else { |
| 2789 | bB = 1; |
| 2790 | bL = i->ARMin.LdSt8U.isLoad ? 1 : 0; |
| 2791 | am = i->ARMin.LdSt8U.amode; |
| 2792 | rD = i->ARMin.LdSt8U.rD; |
| 2793 | } |
| 2794 | if (am->tag == ARMam1_RI) { |
| 2795 | Int simm12; |
| 2796 | UInt instr, bP; |
| 2797 | if (am->ARMam1.RI.simm13 < 0) { |
| 2798 | bP = 0; |
| 2799 | simm12 = -am->ARMam1.RI.simm13; |
| 2800 | } else { |
| 2801 | bP = 1; |
| 2802 | simm12 = am->ARMam1.RI.simm13; |
| 2803 | } |
| 2804 | vassert(simm12 >= 0 && simm12 <= 4095); |
| 2805 | instr = XXXXX___(X1110,X0101,BITS4(bP,bB,0,bL), |
| 2806 | iregNo(am->ARMam1.RI.reg), |
| 2807 | iregNo(rD)); |
| 2808 | instr |= simm12; |
| 2809 | *p++ = instr; |
| 2810 | goto done; |
| 2811 | } else { |
| 2812 | // RR case |
| 2813 | goto bad; |
| 2814 | } |
| 2815 | } |
| 2816 | case ARMin_LdSt16: { |
| 2817 | HReg rD = i->ARMin.LdSt16.rD; |
| 2818 | UInt bS = i->ARMin.LdSt16.signedLoad ? 1 : 0; |
| 2819 | UInt bL = i->ARMin.LdSt16.isLoad ? 1 : 0; |
| 2820 | ARMAMode2* am = i->ARMin.LdSt16.amode; |
| 2821 | if (am->tag == ARMam2_RI) { |
| 2822 | HReg rN = am->ARMam2.RI.reg; |
| 2823 | Int simm8; |
| 2824 | UInt bP, imm8hi, imm8lo, instr; |
| 2825 | if (am->ARMam2.RI.simm9 < 0) { |
| 2826 | bP = 0; |
| 2827 | simm8 = -am->ARMam2.RI.simm9; |
| 2828 | } else { |
| 2829 | bP = 1; |
| 2830 | simm8 = am->ARMam2.RI.simm9; |
| 2831 | } |
| 2832 | vassert(simm8 >= 0 && simm8 <= 255); |
| 2833 | imm8hi = (simm8 >> 4) & 0xF; |
| 2834 | imm8lo = simm8 & 0xF; |
| 2835 | vassert(!(bL == 0 && bS == 1)); // "! signed store" |
| 2836 | /**/ if (bL == 0 && bS == 0) { |
| 2837 | // strh |
| 2838 | instr = XXXXXXXX(X1110,X0001, BITS4(bP,1,0,0), iregNo(rN), |
| 2839 | iregNo(rD), imm8hi, X1011, imm8lo); |
| 2840 | *p++ = instr; |
| 2841 | goto done; |
| 2842 | } |
| 2843 | else if (bL == 1 && bS == 0) { |
| 2844 | // ldrh |
| 2845 | instr = XXXXXXXX(X1110,X0001, BITS4(bP,1,0,1), iregNo(rN), |
| 2846 | iregNo(rD), imm8hi, X1011, imm8lo); |
| 2847 | *p++ = instr; |
| 2848 | goto done; |
| 2849 | } |
| 2850 | else if (bL == 1 && bS == 1) { |
| 2851 | goto bad; |
| 2852 | } |
| 2853 | else vassert(0); // ill-constructed insn |
| 2854 | } else { |
| 2855 | // RR case |
| 2856 | goto bad; |
| 2857 | } |
| 2858 | } |
| 2859 | case ARMin_Ld8S: |
| 2860 | goto bad; |
| 2861 | case ARMin_Goto: { |
| 2862 | UInt instr; |
| 2863 | IRJumpKind jk = i->ARMin.Goto.jk; |
| 2864 | ARMCondCode cond = i->ARMin.Goto.cond; |
| 2865 | UInt rnext = iregNo(i->ARMin.Goto.gnext); |
| 2866 | Int trc = -1; |
| 2867 | switch (jk) { |
| 2868 | case Ijk_Ret: case Ijk_Call: case Ijk_Boring: |
| 2869 | break; /* no need to set GST in these common cases */ |
| 2870 | case Ijk_ClientReq: |
| 2871 | trc = VEX_TRC_JMP_CLIENTREQ; break; |
| 2872 | case Ijk_Sys_int128: |
| 2873 | case Ijk_Sys_int129: |
| 2874 | case Ijk_Sys_int130: |
| 2875 | case Ijk_Yield: |
| 2876 | case Ijk_EmWarn: |
| 2877 | case Ijk_MapFail: |
| 2878 | goto unhandled_jk; |
| 2879 | case Ijk_NoDecode: |
| 2880 | trc = VEX_TRC_JMP_NODECODE; break; |
| 2881 | case Ijk_TInval: |
| 2882 | trc = VEX_TRC_JMP_TINVAL; break; |
| 2883 | case Ijk_NoRedir: |
| 2884 | trc = VEX_TRC_JMP_NOREDIR; break; |
| 2885 | case Ijk_Sys_sysenter: |
| 2886 | case Ijk_SigTRAP: |
| 2887 | case Ijk_SigSEGV: |
| 2888 | goto unhandled_jk; |
| 2889 | case Ijk_Sys_syscall: |
| 2890 | trc = VEX_TRC_JMP_SYS_SYSCALL; break; |
| 2891 | unhandled_jk: |
| 2892 | default: |
| 2893 | goto bad; |
| 2894 | } |
| 2895 | if (trc != -1) { |
| 2896 | // mov{cond} r8, #trc |
| 2897 | vassert(trc >= 0 && trc <= 255); |
| 2898 | instr = (cond << 28) | 0x03A08000 | (0xFF & (UInt)trc); |
| 2899 | *p++ = instr; |
| 2900 | } |
| 2901 | // mov{cond} r0, rnext |
| 2902 | if (rnext != 0) { |
| 2903 | instr = (cond << 28) | 0x01A00000 | rnext; |
| 2904 | *p++ = instr; |
| 2905 | } |
| 2906 | // bx{cond} r14 |
| 2907 | instr =(cond << 28) | 0x012FFF1E; |
| 2908 | *p++ = instr; |
| 2909 | goto done; |
| 2910 | } |
| 2911 | case ARMin_CMov: { |
| 2912 | UInt instr = skeletal_RI84(i->ARMin.CMov.src); |
| 2913 | UInt subopc = X1101; /* MOV */ |
| 2914 | UInt SBZ = 0; |
| 2915 | instr |= XXXXX___(i->ARMin.CMov.cond, (1 & (subopc >> 3)), |
| 2916 | (subopc << 1) & 0xF, SBZ, i->ARMin.CMov.dst); |
| 2917 | *p++ = instr; |
| 2918 | goto done; |
| 2919 | } |
| 2920 | case ARMin_Call: { |
| 2921 | UInt instr; |
| 2922 | /* Decide on a scratch reg used to hold to the call address. |
| 2923 | This has to be done as per the comments in getRegUsage. */ |
| 2924 | Int scratchNo; |
| 2925 | switch (i->ARMin.Call.nArgRegs) { |
| 2926 | case 0: scratchNo = 0; break; |
| 2927 | case 1: scratchNo = 1; break; |
| 2928 | case 2: scratchNo = 2; break; |
| 2929 | case 3: scratchNo = 3; break; |
| 2930 | case 4: scratchNo = 11; break; |
| 2931 | default: vassert(0); |
| 2932 | } |
| 2933 | // r"scratchNo" = &target |
| 2934 | p = imm32_to_iregNo( (UInt*)p, |
| 2935 | scratchNo, (UInt)i->ARMin.Call.target ); |
| 2936 | // blx{cond} r"scratchNo" |
| 2937 | instr = XXX___XX(i->ARMin.Call.cond, X0001, X0010, /*___*/ |
| 2938 | X0011, scratchNo); |
| 2939 | instr |= 0xFFF << 8; // stick in the SBOnes |
| 2940 | *p++ = instr; |
| 2941 | goto done; |
| 2942 | } |
| 2943 | case ARMin_Mul: { |
| 2944 | /* E0000392 mul r0, r2, r3 |
| 2945 | E0810392 umull r0(LO), r1(HI), r2, r3 |
| 2946 | E0C10392 smull r0(LO), r1(HI), r2, r3 |
| 2947 | */ |
| 2948 | switch (i->ARMin.Mul.op) { |
| 2949 | case ARMmul_PLAIN: *p++ = 0xE0000392; goto done; |
| 2950 | case ARMmul_ZX: *p++ = 0xE0810392; goto done; |
| 2951 | case ARMmul_SX: *p++ = 0xE0C10392; goto done; |
| 2952 | default: vassert(0); |
| 2953 | } |
| 2954 | goto bad; |
| 2955 | } |
| 2956 | case ARMin_LdrEX: { |
| 2957 | /* E1910F9F ldrex r0, [r1] |
| 2958 | E1F10F9F ldrexh r0, [r1] |
| 2959 | E1D10F9F ldrexb r0, [r1] |
| 2960 | */ |
| 2961 | switch (i->ARMin.LdrEX.szB) { |
| 2962 | case 4: *p++ = 0xE1910F9F; goto done; |
| 2963 | //case 2: *p++ = 0xE1F10F9F; goto done; |
| 2964 | case 1: *p++ = 0xE1D10F9F; goto done; |
| 2965 | default: break; |
| 2966 | } |
| 2967 | goto bad; |
| 2968 | } |
| 2969 | case ARMin_StrEX: { |
| 2970 | /* E1820F91 strex r0, r1, [r2] |
| 2971 | E1E20F91 strexh r0, r1, [r2] |
| 2972 | E1C20F91 strexb r0, r1, [r2] |
| 2973 | */ |
| 2974 | switch (i->ARMin.StrEX.szB) { |
| 2975 | case 4: *p++ = 0xE1820F91; goto done; |
| 2976 | //case 2: *p++ = 0xE1E20F91; goto done; |
| 2977 | case 1: *p++ = 0xE1C20F91; goto done; |
| 2978 | default: break; |
| 2979 | } |
| 2980 | goto bad; |
| 2981 | } |
| 2982 | case ARMin_VLdStD: { |
| 2983 | UInt dD = dregNo(i->ARMin.VLdStD.dD); |
| 2984 | UInt rN = iregNo(i->ARMin.VLdStD.amode->reg); |
| 2985 | Int simm11 = i->ARMin.VLdStD.amode->simm11; |
| 2986 | UInt off8 = simm11 >= 0 ? simm11 : ((UInt)(-simm11)); |
| 2987 | UInt bU = simm11 >= 0 ? 1 : 0; |
| 2988 | UInt bL = i->ARMin.VLdStD.isLoad ? 1 : 0; |
| 2989 | UInt insn; |
| 2990 | vassert(0 == (off8 & 3)); |
| 2991 | off8 >>= 2; |
| 2992 | vassert(0 == (off8 & 0xFFFFFF00)); |
| 2993 | insn = XXXXXX__(0xE,X1101,BITS4(bU,0,0,bL),rN,dD,X1011); |
| 2994 | insn |= off8; |
| 2995 | *p++ = insn; |
| 2996 | goto done; |
| 2997 | } |
| 2998 | case ARMin_VLdStS: { |
| 2999 | UInt fD = fregNo(i->ARMin.VLdStS.fD); |
| 3000 | UInt rN = iregNo(i->ARMin.VLdStS.amode->reg); |
| 3001 | Int simm11 = i->ARMin.VLdStS.amode->simm11; |
| 3002 | UInt off8 = simm11 >= 0 ? simm11 : ((UInt)(-simm11)); |
| 3003 | UInt bU = simm11 >= 0 ? 1 : 0; |
| 3004 | UInt bL = i->ARMin.VLdStS.isLoad ? 1 : 0; |
| 3005 | UInt bD = fD & 1; |
| 3006 | UInt insn; |
| 3007 | vassert(0 == (off8 & 3)); |
| 3008 | off8 >>= 2; |
| 3009 | vassert(0 == (off8 & 0xFFFFFF00)); |
| 3010 | insn = XXXXXX__(0xE,X1101,BITS4(bU,bD,0,bL),rN, (fD >> 1), X1010); |
| 3011 | insn |= off8; |
| 3012 | *p++ = insn; |
| 3013 | goto done; |
| 3014 | } |
| 3015 | case ARMin_VAluD: { |
| 3016 | UInt dN = dregNo(i->ARMin.VAluD.argL); |
| 3017 | UInt dD = dregNo(i->ARMin.VAluD.dst); |
| 3018 | UInt dM = dregNo(i->ARMin.VAluD.argR); |
| 3019 | UInt pqrs = X1111; /* undefined */ |
| 3020 | switch (i->ARMin.VAluD.op) { |
| 3021 | case ARMvfp_ADD: pqrs = X0110; break; |
| 3022 | case ARMvfp_SUB: pqrs = X0111; break; |
| 3023 | case ARMvfp_MUL: pqrs = X0100; break; |
| 3024 | case ARMvfp_DIV: pqrs = X1000; break; |
| 3025 | default: goto bad; |
| 3026 | } |
| 3027 | vassert(pqrs != X1111); |
| 3028 | UInt bP = (pqrs >> 3) & 1; |
| 3029 | UInt bQ = (pqrs >> 2) & 1; |
| 3030 | UInt bR = (pqrs >> 1) & 1; |
| 3031 | UInt bS = (pqrs >> 0) & 1; |
| 3032 | UInt insn = XXXXXXXX(0xE, X1110, BITS4(bP,0,bQ,bR), dN, dD, |
| 3033 | X1011, BITS4(0,bS,0,0), dM); |
| 3034 | *p++ = insn; |
| 3035 | goto done; |
| 3036 | } |
| 3037 | case ARMin_VAluS: { |
| 3038 | UInt dN = fregNo(i->ARMin.VAluS.argL); |
| 3039 | UInt dD = fregNo(i->ARMin.VAluS.dst); |
| 3040 | UInt dM = fregNo(i->ARMin.VAluS.argR); |
| 3041 | UInt bN = dN & 1; |
| 3042 | UInt bD = dD & 1; |
| 3043 | UInt bM = dM & 1; |
| 3044 | UInt pqrs = X1111; /* undefined */ |
| 3045 | switch (i->ARMin.VAluS.op) { |
| 3046 | case ARMvfp_ADD: pqrs = X0110; break; |
| 3047 | case ARMvfp_SUB: pqrs = X0111; break; |
| 3048 | case ARMvfp_MUL: pqrs = X0100; break; |
| 3049 | case ARMvfp_DIV: pqrs = X1000; break; |
| 3050 | default: goto bad; |
| 3051 | } |
| 3052 | vassert(pqrs != X1111); |
| 3053 | UInt bP = (pqrs >> 3) & 1; |
| 3054 | UInt bQ = (pqrs >> 2) & 1; |
| 3055 | UInt bR = (pqrs >> 1) & 1; |
| 3056 | UInt bS = (pqrs >> 0) & 1; |
| 3057 | UInt insn = XXXXXXXX(0xE, X1110, BITS4(bP,bD,bQ,bR), |
| 3058 | (dN >> 1), (dD >> 1), |
| 3059 | X1010, BITS4(bN,bS,bM,0), (dM >> 1)); |
| 3060 | *p++ = insn; |
| 3061 | goto done; |
| 3062 | } |
| 3063 | case ARMin_VUnaryD: { |
| 3064 | UInt dD = dregNo(i->ARMin.VUnaryD.dst); |
| 3065 | UInt dM = dregNo(i->ARMin.VUnaryD.src); |
| 3066 | UInt insn = 0; |
| 3067 | switch (i->ARMin.VUnaryD.op) { |
| 3068 | case ARMvfpu_COPY: |
| 3069 | insn = XXXXXXXX(0xE, X1110,X1011,X0000,dD,X1011,X0100,dM); |
| 3070 | break; |
| 3071 | case ARMvfpu_ABS: |
| 3072 | insn = XXXXXXXX(0xE, X1110,X1011,X0000,dD,X1011,X1100,dM); |
| 3073 | break; |
| 3074 | case ARMvfpu_NEG: |
| 3075 | insn = XXXXXXXX(0xE, X1110,X1011,X0001,dD,X1011,X0100,dM); |
| 3076 | break; |
| 3077 | case ARMvfpu_SQRT: |
| 3078 | insn = XXXXXXXX(0xE, X1110,X1011,X0001,dD,X1011,X1100,dM); |
| 3079 | break; |
| 3080 | default: |
| 3081 | goto bad; |
| 3082 | } |
| 3083 | *p++ = insn; |
| 3084 | goto done; |
| 3085 | } |
| 3086 | case ARMin_VUnaryS: { |
| 3087 | UInt fD = fregNo(i->ARMin.VUnaryS.dst); |
| 3088 | UInt fM = fregNo(i->ARMin.VUnaryS.src); |
| 3089 | UInt insn = 0; |
| 3090 | switch (i->ARMin.VUnaryS.op) { |
| 3091 | case ARMvfpu_COPY: |
| 3092 | insn = XXXXXXXX(0xE, X1110, BITS4(1,(fD & 1),1,1), X0000, |
| 3093 | (fD >> 1), X1010, BITS4(0,1,(fM & 1),0), |
| 3094 | (fM >> 1)); |
| 3095 | break; |
| 3096 | case ARMvfpu_ABS: |
| 3097 | insn = XXXXXXXX(0xE, X1110, BITS4(1,(fD & 1),1,1), X0000, |
| 3098 | (fD >> 1), X1010, BITS4(1,1,(fM & 1),0), |
| 3099 | (fM >> 1)); |
| 3100 | break; |
| 3101 | case ARMvfpu_NEG: |
| 3102 | insn = XXXXXXXX(0xE, X1110, BITS4(1,(fD & 1),1,1), X0001, |
| 3103 | (fD >> 1), X1010, BITS4(0,1,(fM & 1),0), |
| 3104 | (fM >> 1)); |
| 3105 | break; |
| 3106 | case ARMvfpu_SQRT: |
| 3107 | insn = XXXXXXXX(0xE, X1110, BITS4(1,(fD & 1),1,1), X0001, |
| 3108 | (fD >> 1), X1010, BITS4(1,1,(fM & 1),0), |
| 3109 | (fM >> 1)); |
| 3110 | break; |
| 3111 | default: |
| 3112 | goto bad; |
| 3113 | } |
| 3114 | *p++ = insn; |
| 3115 | goto done; |
| 3116 | } |
| 3117 | case ARMin_VCmpD: { |
| 3118 | UInt dD = dregNo(i->ARMin.VCmpD.argL); |
| 3119 | UInt dM = dregNo(i->ARMin.VCmpD.argR); |
| 3120 | UInt insn = XXXXXXXX(0xE, X1110, X1011, X0100, dD, X1011, X0100, dM); |
| 3121 | *p++ = insn; /* FCMPD dD, dM */ |
| 3122 | *p++ = 0xEEF1FA10; /* FMSTAT */ |
| 3123 | goto done; |
| 3124 | } |
| 3125 | case ARMin_VCMovD: { |
| 3126 | UInt cc = (UInt)i->ARMin.VCMovD.cond; |
| 3127 | UInt dD = dregNo(i->ARMin.VCMovD.dst); |
| 3128 | UInt dM = dregNo(i->ARMin.VCMovD.src); |
| 3129 | vassert(cc < 16 && cc != ARMcc_AL); |
| 3130 | UInt insn = XXXXXXXX(cc, X1110,X1011,X0000,dD,X1011,X0100,dM); |
| 3131 | *p++ = insn; |
| 3132 | goto done; |
| 3133 | } |
| 3134 | case ARMin_VCMovS: { |
| 3135 | UInt cc = (UInt)i->ARMin.VCMovS.cond; |
| 3136 | UInt fD = fregNo(i->ARMin.VCMovS.dst); |
| 3137 | UInt fM = fregNo(i->ARMin.VCMovS.src); |
| 3138 | vassert(cc < 16 && cc != ARMcc_AL); |
| 3139 | UInt insn = XXXXXXXX(cc, X1110, BITS4(1,(fD & 1),1,1), |
| 3140 | X0000,(fD >> 1),X1010, |
| 3141 | BITS4(0,1,(fM & 1),0), (fM >> 1)); |
| 3142 | *p++ = insn; |
| 3143 | goto done; |
| 3144 | } |
| 3145 | case ARMin_VCvtSD: { |
| 3146 | if (i->ARMin.VCvtSD.sToD) { |
| 3147 | UInt dD = dregNo(i->ARMin.VCvtSD.dst); |
| 3148 | UInt fM = fregNo(i->ARMin.VCvtSD.src); |
| 3149 | UInt insn = XXXXXXXX(0xE, X1110, X1011, X0111, dD, X1010, |
| 3150 | BITS4(1,1, (fM & 1), 0), |
| 3151 | (fM >> 1)); |
| 3152 | *p++ = insn; |
| 3153 | goto done; |
| 3154 | } else { |
| 3155 | UInt fD = fregNo(i->ARMin.VCvtSD.dst); |
| 3156 | UInt dM = dregNo(i->ARMin.VCvtSD.src); |
| 3157 | UInt insn = XXXXXXXX(0xE, X1110, BITS4(1,(fD & 1),1,1), |
| 3158 | X0111, (fD >> 1), |
| 3159 | X1011, X1100, dM); |
| 3160 | *p++ = insn; |
| 3161 | goto done; |
| 3162 | } |
| 3163 | goto bad; |
| 3164 | } |
| 3165 | case ARMin_VXferD: { |
| 3166 | UInt dD = dregNo(i->ARMin.VXferD.dD); |
| 3167 | UInt rHi = iregNo(i->ARMin.VXferD.rHi); |
| 3168 | UInt rLo = iregNo(i->ARMin.VXferD.rLo); |
| 3169 | /* vmov dD, rLo, rHi is |
| 3170 | E C 4 rHi rLo B (0,0,dD[4],1) dD[3:0] |
| 3171 | vmov rLo, rHi, dD is |
| 3172 | E C 5 rHi rLo B (0,0,dD[4],1) dD[3:0] |
| 3173 | */ |
| 3174 | UInt insn |
| 3175 | = XXXXXXXX(0xE, 0xC, i->ARMin.VXferD.toD ? 4 : 5, |
| 3176 | rHi, rLo, 0xB, |
| 3177 | BITS4(0,0, ((dD >> 4) & 1), 1), (dD & 0xF)); |
| 3178 | *p++ = insn; |
| 3179 | goto done; |
| 3180 | } |
| 3181 | case ARMin_VXferS: { |
| 3182 | UInt fD = fregNo(i->ARMin.VXferS.fD); |
| 3183 | UInt rLo = iregNo(i->ARMin.VXferS.rLo); |
| 3184 | /* vmov fD, rLo is |
| 3185 | E E 0 fD[4:1] rLo A (fD[0],0,0,1) 0 |
| 3186 | vmov rLo, fD is |
| 3187 | E E 1 fD[4:1] rLo A (fD[0],0,0,1) 0 |
| 3188 | */ |
| 3189 | UInt insn |
| 3190 | = XXXXXXXX(0xE, 0xE, i->ARMin.VXferS.toS ? 0 : 1, |
| 3191 | (fD >> 1) & 0xF, rLo, 0xA, |
| 3192 | BITS4((fD & 1),0,0,1), 0); |
| 3193 | *p++ = insn; |
| 3194 | goto done; |
| 3195 | } |
| 3196 | case ARMin_VCvtID: { |
| 3197 | Bool iToD = i->ARMin.VCvtID.iToD; |
| 3198 | Bool syned = i->ARMin.VCvtID.syned; |
| 3199 | if (iToD && syned) { |
| 3200 | // FSITOD: I32S-in-freg to F64-in-dreg |
| 3201 | UInt regF = fregNo(i->ARMin.VCvtID.src); |
| 3202 | UInt regD = dregNo(i->ARMin.VCvtID.dst); |
| 3203 | UInt insn = XXXXXXXX(0xE, X1110, X1011, X1000, regD, |
| 3204 | X1011, BITS4(1,1,(regF & 1),0), |
| 3205 | (regF >> 1) & 0xF); |
| 3206 | *p++ = insn; |
| 3207 | goto done; |
| 3208 | } |
| 3209 | if (iToD && (!syned)) { |
| 3210 | // FUITOD: I32U-in-freg to F64-in-dreg |
| 3211 | UInt regF = fregNo(i->ARMin.VCvtID.src); |
| 3212 | UInt regD = dregNo(i->ARMin.VCvtID.dst); |
| 3213 | UInt insn = XXXXXXXX(0xE, X1110, X1011, X1000, regD, |
| 3214 | X1011, BITS4(0,1,(regF & 1),0), |
| 3215 | (regF >> 1) & 0xF); |
| 3216 | *p++ = insn; |
| 3217 | goto done; |
| 3218 | } |
| 3219 | if ((!iToD) && syned) { |
| 3220 | // FTOSID: F64-in-dreg to I32S-in-freg |
| 3221 | UInt regD = dregNo(i->ARMin.VCvtID.src); |
| 3222 | UInt regF = fregNo(i->ARMin.VCvtID.dst); |
| 3223 | UInt insn = XXXXXXXX(0xE, X1110, BITS4(1,(regF & 1),1,1), |
| 3224 | X1101, (regF >> 1) & 0xF, |
| 3225 | X1011, X0100, regD); |
| 3226 | *p++ = insn; |
| 3227 | goto done; |
| 3228 | } |
| 3229 | if ((!iToD) && (!syned)) { |
| 3230 | // FTOUID: F64-in-dreg to I32U-in-freg |
| 3231 | UInt regD = dregNo(i->ARMin.VCvtID.src); |
| 3232 | UInt regF = fregNo(i->ARMin.VCvtID.dst); |
| 3233 | UInt insn = XXXXXXXX(0xE, X1110, BITS4(1,(regF & 1),1,1), |
| 3234 | X1100, (regF >> 1) & 0xF, |
| 3235 | X1011, X0100, regD); |
| 3236 | *p++ = insn; |
| 3237 | goto done; |
| 3238 | } |
| 3239 | /*UNREACHED*/ |
| 3240 | vassert(0); |
| 3241 | } |
| 3242 | case ARMin_FPSCR: { |
| 3243 | Bool toFPSCR = i->ARMin.FPSCR.toFPSCR; |
| 3244 | HReg iReg = iregNo(i->ARMin.FPSCR.iReg); |
| 3245 | if (toFPSCR) { |
| 3246 | /* fmxr fpscr, iReg is EEE1 iReg A10 */ |
| 3247 | *p++ = 0xEEE10A10 | ((iReg & 0xF) << 12); |
| 3248 | goto done; |
| 3249 | } |
| 3250 | goto bad; // FPSCR -> iReg case currently ATC |
| 3251 | } |
sewardj | 412098c | 2010-05-04 08:48:43 +0000 | [diff] [blame] | 3252 | case ARMin_MFence: { |
| 3253 | *p++ = 0xEE070F9A; /* mcr 15,0,r0,c7,c10,4 (DSB) */ |
| 3254 | *p++ = 0xEE070FBA; /* mcr 15,0,r0,c7,c10,5 (DMB) */ |
| 3255 | *p++ = 0xEE070F95; /* mcr 15,0,r0,c7,c5,4 (ISB) */ |
| 3256 | goto done; |
| 3257 | } |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 3258 | case ARMin_NLdStQ: { |
| 3259 | UInt regD = qregNo(i->ARMin.NLdStQ.dQ) << 1; |
| 3260 | UInt regN, regM; |
| 3261 | UInt D = regD >> 4; |
| 3262 | UInt bL = i->ARMin.NLdStQ.isLoad ? 1 : 0; |
| 3263 | UInt insn; |
| 3264 | vassert(hregClass(i->ARMin.NLdStQ.dQ) == HRcVec128); |
| 3265 | regD &= 0xF; |
| 3266 | if (i->ARMin.NLdStQ.amode->tag == ARMamN_RR) { |
| 3267 | regN = iregNo(i->ARMin.NLdStQ.amode->ARMamN.RR.rN); |
| 3268 | regM = iregNo(i->ARMin.NLdStQ.amode->ARMamN.RR.rM); |
| 3269 | } else { |
| 3270 | regN = iregNo(i->ARMin.NLdStQ.amode->ARMamN.R.rN); |
| 3271 | regM = 15; |
| 3272 | } |
| 3273 | insn = XXXXXXXX(0xF, X0100, BITS4(0, D, bL, 0), |
| 3274 | regN, regD, X1010, X1000, regM); |
| 3275 | *p++ = insn; |
| 3276 | goto done; |
| 3277 | } |
| 3278 | case ARMin_NLdStD: { |
| 3279 | UInt regD = dregNo(i->ARMin.NLdStD.dD); |
| 3280 | UInt regN, regM; |
| 3281 | UInt D = regD >> 4; |
| 3282 | UInt bL = i->ARMin.NLdStD.isLoad ? 1 : 0; |
| 3283 | UInt insn; |
| 3284 | vassert(hregClass(i->ARMin.NLdStD.dD) == HRcFlt64); |
| 3285 | regD &= 0xF; |
| 3286 | if (i->ARMin.NLdStD.amode->tag == ARMamN_RR) { |
| 3287 | regN = iregNo(i->ARMin.NLdStD.amode->ARMamN.RR.rN); |
| 3288 | regM = iregNo(i->ARMin.NLdStD.amode->ARMamN.RR.rM); |
| 3289 | } else { |
| 3290 | regN = iregNo(i->ARMin.NLdStD.amode->ARMamN.R.rN); |
| 3291 | regM = 15; |
| 3292 | } |
| 3293 | insn = XXXXXXXX(0xF, X0100, BITS4(0, D, bL, 0), |
| 3294 | regN, regD, X0111, X1000, regM); |
| 3295 | *p++ = insn; |
| 3296 | goto done; |
| 3297 | } |
| 3298 | case ARMin_NUnaryS: { |
| 3299 | UInt Q = i->ARMin.NUnaryS.Q ? 1 : 0; |
| 3300 | UInt regD, D; |
| 3301 | UInt regM, M; |
| 3302 | UInt size = i->ARMin.NUnaryS.size; |
| 3303 | UInt insn; |
| 3304 | UInt opc, opc1, opc2; |
| 3305 | switch (i->ARMin.NUnaryS.op) { |
sewardj | 6aa87a6 | 2010-10-06 20:34:53 +0000 | [diff] [blame] | 3306 | case ARMneon_VDUP: |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 3307 | if (i->ARMin.NUnaryS.size >= 16) |
| 3308 | goto bad; |
| 3309 | if (i->ARMin.NUnaryS.dst->tag != ARMNRS_Reg) |
| 3310 | goto bad; |
| 3311 | if (i->ARMin.NUnaryS.src->tag != ARMNRS_Scalar) |
| 3312 | goto bad; |
| 3313 | regD = (hregClass(i->ARMin.NUnaryS.dst->reg) == HRcVec128) |
| 3314 | ? (qregNo(i->ARMin.NUnaryS.dst->reg) << 1) |
| 3315 | : dregNo(i->ARMin.NUnaryS.dst->reg); |
| 3316 | regM = (hregClass(i->ARMin.NUnaryS.src->reg) == HRcVec128) |
| 3317 | ? (qregNo(i->ARMin.NUnaryS.src->reg) << 1) |
| 3318 | : dregNo(i->ARMin.NUnaryS.src->reg); |
| 3319 | D = regD >> 4; |
| 3320 | M = regM >> 4; |
| 3321 | regD &= 0xf; |
| 3322 | regM &= 0xf; |
| 3323 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), |
| 3324 | (i->ARMin.NUnaryS.size & 0xf), regD, |
| 3325 | X1100, BITS4(0,Q,M,0), regM); |
| 3326 | *p++ = insn; |
sewardj | 6aa87a6 | 2010-10-06 20:34:53 +0000 | [diff] [blame] | 3327 | goto done; |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 3328 | case ARMneon_SETELEM: |
| 3329 | regD = Q ? (qregNo(i->ARMin.NUnaryS.dst->reg) << 1) : |
| 3330 | dregNo(i->ARMin.NUnaryS.dst->reg); |
| 3331 | regM = iregNo(i->ARMin.NUnaryS.src->reg); |
| 3332 | M = regM >> 4; |
| 3333 | D = regD >> 4; |
| 3334 | regM &= 0xF; |
| 3335 | regD &= 0xF; |
| 3336 | if (i->ARMin.NUnaryS.dst->tag != ARMNRS_Scalar) |
| 3337 | goto bad; |
| 3338 | switch (size) { |
| 3339 | case 0: |
| 3340 | if (i->ARMin.NUnaryS.dst->index > 7) |
| 3341 | goto bad; |
| 3342 | opc = X1000 | i->ARMin.NUnaryS.dst->index; |
| 3343 | break; |
| 3344 | case 1: |
| 3345 | if (i->ARMin.NUnaryS.dst->index > 3) |
| 3346 | goto bad; |
| 3347 | opc = X0001 | (i->ARMin.NUnaryS.dst->index << 1); |
| 3348 | break; |
| 3349 | case 2: |
| 3350 | if (i->ARMin.NUnaryS.dst->index > 1) |
| 3351 | goto bad; |
| 3352 | opc = X0000 | (i->ARMin.NUnaryS.dst->index << 2); |
| 3353 | break; |
| 3354 | default: |
| 3355 | goto bad; |
| 3356 | } |
| 3357 | opc1 = (opc >> 2) & 3; |
| 3358 | opc2 = opc & 3; |
| 3359 | insn = XXXXXXXX(0xE, X1110, BITS4(0,(opc1 >> 1),(opc1 & 1),0), |
| 3360 | regD, regM, X1011, |
| 3361 | BITS4(D,(opc2 >> 1),(opc2 & 1),1), X0000); |
| 3362 | *p++ = insn; |
| 3363 | goto done; |
| 3364 | case ARMneon_GETELEMU: |
| 3365 | regM = Q ? (qregNo(i->ARMin.NUnaryS.src->reg) << 1) : |
| 3366 | dregNo(i->ARMin.NUnaryS.src->reg); |
| 3367 | regD = iregNo(i->ARMin.NUnaryS.dst->reg); |
| 3368 | M = regM >> 4; |
| 3369 | D = regD >> 4; |
| 3370 | regM &= 0xF; |
| 3371 | regD &= 0xF; |
| 3372 | if (i->ARMin.NUnaryS.src->tag != ARMNRS_Scalar) |
| 3373 | goto bad; |
| 3374 | switch (size) { |
| 3375 | case 0: |
| 3376 | if (Q && i->ARMin.NUnaryS.src->index > 7) { |
| 3377 | regM++; |
| 3378 | i->ARMin.NUnaryS.src->index -= 8; |
| 3379 | } |
| 3380 | if (i->ARMin.NUnaryS.src->index > 7) |
| 3381 | goto bad; |
| 3382 | opc = X1000 | i->ARMin.NUnaryS.src->index; |
| 3383 | break; |
| 3384 | case 1: |
| 3385 | if (Q && i->ARMin.NUnaryS.src->index > 3) { |
| 3386 | regM++; |
| 3387 | i->ARMin.NUnaryS.src->index -= 4; |
| 3388 | } |
| 3389 | if (i->ARMin.NUnaryS.src->index > 3) |
| 3390 | goto bad; |
| 3391 | opc = X0001 | (i->ARMin.NUnaryS.src->index << 1); |
| 3392 | break; |
| 3393 | case 2: |
| 3394 | goto bad; |
| 3395 | default: |
| 3396 | goto bad; |
| 3397 | } |
| 3398 | opc1 = (opc >> 2) & 3; |
| 3399 | opc2 = opc & 3; |
| 3400 | insn = XXXXXXXX(0xE, X1110, BITS4(1,(opc1 >> 1),(opc1 & 1),1), |
| 3401 | regM, regD, X1011, |
| 3402 | BITS4(M,(opc2 >> 1),(opc2 & 1),1), X0000); |
| 3403 | *p++ = insn; |
| 3404 | goto done; |
| 3405 | case ARMneon_GETELEMS: |
| 3406 | regM = Q ? (qregNo(i->ARMin.NUnaryS.src->reg) << 1) : |
| 3407 | dregNo(i->ARMin.NUnaryS.src->reg); |
| 3408 | regD = iregNo(i->ARMin.NUnaryS.dst->reg); |
| 3409 | M = regM >> 4; |
| 3410 | D = regD >> 4; |
| 3411 | regM &= 0xF; |
| 3412 | regD &= 0xF; |
| 3413 | if (i->ARMin.NUnaryS.src->tag != ARMNRS_Scalar) |
| 3414 | goto bad; |
| 3415 | switch (size) { |
| 3416 | case 0: |
| 3417 | if (Q && i->ARMin.NUnaryS.src->index > 7) { |
| 3418 | regM++; |
| 3419 | i->ARMin.NUnaryS.src->index -= 8; |
| 3420 | } |
| 3421 | if (i->ARMin.NUnaryS.src->index > 7) |
| 3422 | goto bad; |
| 3423 | opc = X1000 | i->ARMin.NUnaryS.src->index; |
| 3424 | break; |
| 3425 | case 1: |
| 3426 | if (Q && i->ARMin.NUnaryS.src->index > 3) { |
| 3427 | regM++; |
| 3428 | i->ARMin.NUnaryS.src->index -= 4; |
| 3429 | } |
| 3430 | if (i->ARMin.NUnaryS.src->index > 3) |
| 3431 | goto bad; |
| 3432 | opc = X0001 | (i->ARMin.NUnaryS.src->index << 1); |
| 3433 | break; |
| 3434 | case 2: |
| 3435 | if (Q && i->ARMin.NUnaryS.src->index > 1) { |
| 3436 | regM++; |
| 3437 | i->ARMin.NUnaryS.src->index -= 2; |
| 3438 | } |
| 3439 | if (i->ARMin.NUnaryS.src->index > 1) |
| 3440 | goto bad; |
| 3441 | opc = X0000 | (i->ARMin.NUnaryS.src->index << 2); |
| 3442 | break; |
| 3443 | default: |
| 3444 | goto bad; |
| 3445 | } |
| 3446 | opc1 = (opc >> 2) & 3; |
| 3447 | opc2 = opc & 3; |
| 3448 | insn = XXXXXXXX(0xE, X1110, BITS4(0,(opc1 >> 1),(opc1 & 1),1), |
| 3449 | regM, regD, X1011, |
| 3450 | BITS4(M,(opc2 >> 1),(opc2 & 1),1), X0000); |
| 3451 | *p++ = insn; |
| 3452 | goto done; |
| 3453 | default: |
| 3454 | goto bad; |
| 3455 | } |
| 3456 | } |
| 3457 | case ARMin_NUnary: { |
| 3458 | UInt Q = i->ARMin.NUnary.Q ? 1 : 0; |
| 3459 | UInt regD = (hregClass(i->ARMin.NUnary.dst) == HRcVec128) |
| 3460 | ? (qregNo(i->ARMin.NUnary.dst) << 1) |
| 3461 | : dregNo(i->ARMin.NUnary.dst); |
| 3462 | UInt regM, M; |
| 3463 | UInt D = regD >> 4; |
| 3464 | UInt sz1 = i->ARMin.NUnary.size >> 1; |
| 3465 | UInt sz2 = i->ARMin.NUnary.size & 1; |
| 3466 | UInt sz = i->ARMin.NUnary.size; |
| 3467 | UInt insn; |
| 3468 | UInt F = 0; /* TODO: floating point EQZ ??? */ |
| 3469 | if (i->ARMin.NUnary.op != ARMneon_DUP) { |
| 3470 | regM = (hregClass(i->ARMin.NUnary.src) == HRcVec128) |
| 3471 | ? (qregNo(i->ARMin.NUnary.src) << 1) |
| 3472 | : dregNo(i->ARMin.NUnary.src); |
| 3473 | M = regM >> 4; |
| 3474 | } else { |
| 3475 | regM = iregNo(i->ARMin.NUnary.src); |
| 3476 | M = regM >> 4; |
| 3477 | } |
| 3478 | regD &= 0xF; |
| 3479 | regM &= 0xF; |
| 3480 | switch (i->ARMin.NUnary.op) { |
| 3481 | case ARMneon_COPY: /* VMOV reg, reg */ |
| 3482 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,1,0), regM, regD, X0001, |
| 3483 | BITS4(M,Q,M,1), regM); |
| 3484 | break; |
| 3485 | case ARMneon_COPYN: /* VMOVN regD, regQ */ |
| 3486 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), BITS4(sz1,sz2,1,0), |
| 3487 | regD, X0010, BITS4(0,0,M,0), regM); |
| 3488 | break; |
| 3489 | case ARMneon_COPYQNSS: /* VQMOVN regD, regQ */ |
| 3490 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), BITS4(sz1,sz2,1,0), |
| 3491 | regD, X0010, BITS4(1,0,M,0), regM); |
| 3492 | break; |
| 3493 | case ARMneon_COPYQNUS: /* VQMOVUN regD, regQ */ |
| 3494 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), BITS4(sz1,sz2,1,0), |
| 3495 | regD, X0010, BITS4(0,1,M,0), regM); |
| 3496 | break; |
| 3497 | case ARMneon_COPYQNUU: /* VQMOVN regD, regQ */ |
| 3498 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), BITS4(sz1,sz2,1,0), |
| 3499 | regD, X0010, BITS4(1,1,M,0), regM); |
| 3500 | break; |
| 3501 | case ARMneon_COPYLS: /* VMOVL regQ, regD */ |
| 3502 | if (sz >= 3) |
| 3503 | goto bad; |
| 3504 | insn = XXXXXXXX(0xF, X0010, |
| 3505 | BITS4(1,D,(sz == 2) ? 1 : 0,(sz == 1) ? 1 : 0), |
| 3506 | BITS4((sz == 0) ? 1 : 0,0,0,0), |
| 3507 | regD, X1010, BITS4(0,0,M,1), regM); |
| 3508 | break; |
| 3509 | case ARMneon_COPYLU: /* VMOVL regQ, regD */ |
| 3510 | if (sz >= 3) |
| 3511 | goto bad; |
| 3512 | insn = XXXXXXXX(0xF, X0011, |
| 3513 | BITS4(1,D,(sz == 2) ? 1 : 0,(sz == 1) ? 1 : 0), |
| 3514 | BITS4((sz == 0) ? 1 : 0,0,0,0), |
| 3515 | regD, X1010, BITS4(0,0,M,1), regM); |
| 3516 | break; |
| 3517 | case ARMneon_NOT: /* VMVN reg, reg*/ |
| 3518 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), X0000, regD, X0101, |
| 3519 | BITS4(1,Q,M,0), regM); |
| 3520 | break; |
| 3521 | case ARMneon_EQZ: |
| 3522 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), BITS4(sz1,sz2,0,1), |
| 3523 | regD, BITS4(0,F,0,1), BITS4(0,Q,M,0), regM); |
| 3524 | break; |
| 3525 | case ARMneon_CNT: |
| 3526 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), X0000, regD, X0101, |
| 3527 | BITS4(0,Q,M,0), regM); |
| 3528 | break; |
| 3529 | case ARMneon_CLZ: |
| 3530 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), BITS4(sz1,sz2,0,0), |
| 3531 | regD, X0100, BITS4(1,Q,M,0), regM); |
| 3532 | break; |
| 3533 | case ARMneon_CLS: |
| 3534 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), BITS4(sz1,sz2,0,0), |
| 3535 | regD, X0100, BITS4(0,Q,M,0), regM); |
| 3536 | break; |
| 3537 | case ARMneon_ABS: |
| 3538 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), BITS4(sz1,sz2,0,1), |
| 3539 | regD, X0011, BITS4(0,Q,M,0), regM); |
| 3540 | break; |
| 3541 | case ARMneon_DUP: |
| 3542 | sz1 = i->ARMin.NUnary.size == 0 ? 1 : 0; |
| 3543 | sz2 = i->ARMin.NUnary.size == 1 ? 1 : 0; |
| 3544 | vassert(sz1 + sz2 < 2); |
| 3545 | insn = XXXXXXXX(0xE, X1110, BITS4(1, sz1, Q, 0), regD, regM, |
| 3546 | X1011, BITS4(D,0,sz2,1), X0000); |
| 3547 | break; |
| 3548 | case ARMneon_REV16: |
| 3549 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), BITS4(sz1,sz2,0,0), |
| 3550 | regD, BITS4(0,0,0,1), BITS4(0,Q,M,0), regM); |
| 3551 | break; |
| 3552 | case ARMneon_REV32: |
| 3553 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), BITS4(sz1,sz2,0,0), |
| 3554 | regD, BITS4(0,0,0,0), BITS4(1,Q,M,0), regM); |
| 3555 | break; |
| 3556 | case ARMneon_REV64: |
| 3557 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), BITS4(sz1,sz2,0,0), |
| 3558 | regD, BITS4(0,0,0,0), BITS4(0,Q,M,0), regM); |
| 3559 | break; |
| 3560 | case ARMneon_PADDLU: |
| 3561 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), BITS4(sz1,sz2,0,0), |
| 3562 | regD, X0010, BITS4(1,Q,M,0), regM); |
| 3563 | break; |
| 3564 | case ARMneon_PADDLS: |
| 3565 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), BITS4(sz1,sz2,0,0), |
| 3566 | regD, X0010, BITS4(0,Q,M,0), regM); |
| 3567 | break; |
| 3568 | case ARMneon_VQSHLNUU: |
| 3569 | insn = XXXXXXXX(0xF, X0011, |
| 3570 | (1 << 3) | (D << 2) | ((sz >> 4) & 3), |
| 3571 | sz & 0xf, regD, X0111, |
| 3572 | BITS4(sz >> 6,Q,M,1), regM); |
| 3573 | break; |
| 3574 | case ARMneon_VQSHLNSS: |
| 3575 | insn = XXXXXXXX(0xF, X0010, |
| 3576 | (1 << 3) | (D << 2) | ((sz >> 4) & 3), |
| 3577 | sz & 0xf, regD, X0111, |
| 3578 | BITS4(sz >> 6,Q,M,1), regM); |
| 3579 | break; |
| 3580 | case ARMneon_VQSHLNUS: |
| 3581 | insn = XXXXXXXX(0xF, X0011, |
| 3582 | (1 << 3) | (D << 2) | ((sz >> 4) & 3), |
| 3583 | sz & 0xf, regD, X0110, |
| 3584 | BITS4(sz >> 6,Q,M,1), regM); |
| 3585 | break; |
| 3586 | case ARMneon_VCVTFtoS: |
| 3587 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), X1011, regD, X0111, |
| 3588 | BITS4(0,Q,M,0), regM); |
| 3589 | break; |
| 3590 | case ARMneon_VCVTFtoU: |
| 3591 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), X1011, regD, X0111, |
| 3592 | BITS4(1,Q,M,0), regM); |
| 3593 | break; |
| 3594 | case ARMneon_VCVTStoF: |
| 3595 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), X1011, regD, X0110, |
| 3596 | BITS4(0,Q,M,0), regM); |
| 3597 | break; |
| 3598 | case ARMneon_VCVTUtoF: |
| 3599 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), X1011, regD, X0110, |
| 3600 | BITS4(1,Q,M,0), regM); |
| 3601 | break; |
| 3602 | case ARMneon_VCVTFtoFixedU: |
| 3603 | sz1 = (sz >> 5) & 1; |
| 3604 | sz2 = (sz >> 4) & 1; |
| 3605 | sz &= 0xf; |
| 3606 | insn = XXXXXXXX(0xF, X0011, |
| 3607 | BITS4(1,D,sz1,sz2), sz, regD, X1111, |
| 3608 | BITS4(0,Q,M,1), regM); |
| 3609 | break; |
| 3610 | case ARMneon_VCVTFtoFixedS: |
| 3611 | sz1 = (sz >> 5) & 1; |
| 3612 | sz2 = (sz >> 4) & 1; |
| 3613 | sz &= 0xf; |
| 3614 | insn = XXXXXXXX(0xF, X0010, |
| 3615 | BITS4(1,D,sz1,sz2), sz, regD, X1111, |
| 3616 | BITS4(0,Q,M,1), regM); |
| 3617 | break; |
| 3618 | case ARMneon_VCVTFixedUtoF: |
| 3619 | sz1 = (sz >> 5) & 1; |
| 3620 | sz2 = (sz >> 4) & 1; |
| 3621 | sz &= 0xf; |
| 3622 | insn = XXXXXXXX(0xF, X0011, |
| 3623 | BITS4(1,D,sz1,sz2), sz, regD, X1110, |
| 3624 | BITS4(0,Q,M,1), regM); |
| 3625 | break; |
| 3626 | case ARMneon_VCVTFixedStoF: |
| 3627 | sz1 = (sz >> 5) & 1; |
| 3628 | sz2 = (sz >> 4) & 1; |
| 3629 | sz &= 0xf; |
| 3630 | insn = XXXXXXXX(0xF, X0010, |
| 3631 | BITS4(1,D,sz1,sz2), sz, regD, X1110, |
| 3632 | BITS4(0,Q,M,1), regM); |
| 3633 | break; |
| 3634 | case ARMneon_VCVTF32toF16: |
| 3635 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), X0110, regD, X0110, |
| 3636 | BITS4(0,0,M,0), regM); |
| 3637 | break; |
| 3638 | case ARMneon_VCVTF16toF32: |
| 3639 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), X0110, regD, X0111, |
| 3640 | BITS4(0,0,M,0), regM); |
| 3641 | break; |
| 3642 | case ARMneon_VRECIP: |
| 3643 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), X1011, regD, X0100, |
| 3644 | BITS4(0,Q,M,0), regM); |
| 3645 | break; |
| 3646 | case ARMneon_VRECIPF: |
| 3647 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), X1011, regD, X0101, |
| 3648 | BITS4(0,Q,M,0), regM); |
| 3649 | break; |
| 3650 | case ARMneon_VABSFP: |
| 3651 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), X1001, regD, X0111, |
| 3652 | BITS4(0,Q,M,0), regM); |
| 3653 | break; |
| 3654 | case ARMneon_VRSQRTEFP: |
| 3655 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), X1011, regD, X0101, |
| 3656 | BITS4(1,Q,M,0), regM); |
| 3657 | break; |
| 3658 | case ARMneon_VRSQRTE: |
| 3659 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), X1011, regD, X0100, |
| 3660 | BITS4(1,Q,M,0), regM); |
| 3661 | break; |
| 3662 | case ARMneon_VNEGF: |
| 3663 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), X1001, regD, X0111, |
| 3664 | BITS4(1,Q,M,0), regM); |
| 3665 | break; |
sewardj | 6aa87a6 | 2010-10-06 20:34:53 +0000 | [diff] [blame] | 3666 | |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 3667 | default: |
| 3668 | goto bad; |
| 3669 | } |
| 3670 | *p++ = insn; |
| 3671 | goto done; |
| 3672 | } |
| 3673 | case ARMin_NDual: { |
| 3674 | UInt Q = i->ARMin.NDual.Q ? 1 : 0; |
| 3675 | UInt regD = (hregClass(i->ARMin.NDual.arg1) == HRcVec128) |
| 3676 | ? (qregNo(i->ARMin.NDual.arg1) << 1) |
| 3677 | : dregNo(i->ARMin.NDual.arg1); |
| 3678 | UInt regM = (hregClass(i->ARMin.NDual.arg2) == HRcVec128) |
| 3679 | ? (qregNo(i->ARMin.NDual.arg2) << 1) |
| 3680 | : dregNo(i->ARMin.NDual.arg2); |
| 3681 | UInt D = regD >> 4; |
| 3682 | UInt M = regM >> 4; |
| 3683 | UInt sz1 = i->ARMin.NDual.size >> 1; |
| 3684 | UInt sz2 = i->ARMin.NDual.size & 1; |
| 3685 | UInt insn; |
| 3686 | regD &= 0xF; |
| 3687 | regM &= 0xF; |
| 3688 | switch (i->ARMin.NDual.op) { |
| 3689 | case ARMneon_TRN: /* VTRN reg, reg */ |
| 3690 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), BITS4(sz1,sz2,1,0), |
| 3691 | regD, X0000, BITS4(1,Q,M,0), regM); |
| 3692 | break; |
| 3693 | case ARMneon_ZIP: /* VZIP reg, reg */ |
| 3694 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), BITS4(sz1,sz2,1,0), |
| 3695 | regD, X0001, BITS4(1,Q,M,0), regM); |
| 3696 | break; |
| 3697 | case ARMneon_UZP: /* VUZP reg, reg */ |
| 3698 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), BITS4(sz1,sz2,1,0), |
| 3699 | regD, X0001, BITS4(0,Q,M,0), regM); |
| 3700 | break; |
| 3701 | default: |
| 3702 | goto bad; |
| 3703 | } |
| 3704 | *p++ = insn; |
| 3705 | goto done; |
| 3706 | } |
| 3707 | case ARMin_NBinary: { |
| 3708 | UInt Q = i->ARMin.NBinary.Q ? 1 : 0; |
| 3709 | UInt regD = (hregClass(i->ARMin.NBinary.dst) == HRcVec128) |
| 3710 | ? (qregNo(i->ARMin.NBinary.dst) << 1) |
| 3711 | : dregNo(i->ARMin.NBinary.dst); |
| 3712 | UInt regN = (hregClass(i->ARMin.NBinary.argL) == HRcVec128) |
| 3713 | ? (qregNo(i->ARMin.NBinary.argL) << 1) |
| 3714 | : dregNo(i->ARMin.NBinary.argL); |
| 3715 | UInt regM = (hregClass(i->ARMin.NBinary.argR) == HRcVec128) |
| 3716 | ? (qregNo(i->ARMin.NBinary.argR) << 1) |
| 3717 | : dregNo(i->ARMin.NBinary.argR); |
| 3718 | UInt sz1 = i->ARMin.NBinary.size >> 1; |
| 3719 | UInt sz2 = i->ARMin.NBinary.size & 1; |
| 3720 | UInt D = regD >> 4; |
| 3721 | UInt N = regN >> 4; |
| 3722 | UInt M = regM >> 4; |
| 3723 | UInt insn; |
| 3724 | regD &= 0xF; |
| 3725 | regM &= 0xF; |
| 3726 | regN &= 0xF; |
| 3727 | switch (i->ARMin.NBinary.op) { |
| 3728 | case ARMneon_VAND: /* VAND reg, reg, reg */ |
| 3729 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,0,0), regN, regD, X0001, |
| 3730 | BITS4(N,Q,M,1), regM); |
| 3731 | break; |
| 3732 | case ARMneon_VORR: /* VORR reg, reg, reg*/ |
| 3733 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,1,0), regN, regD, X0001, |
| 3734 | BITS4(N,Q,M,1), regM); |
| 3735 | break; |
| 3736 | case ARMneon_VXOR: /* VEOR reg, reg, reg */ |
| 3737 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,0,0), regN, regD, X0001, |
| 3738 | BITS4(N,Q,M,1), regM); |
| 3739 | break; |
| 3740 | case ARMneon_VADD: /* VADD reg, reg, reg */ |
| 3741 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,sz1,sz2), regN, regD, |
| 3742 | X1000, BITS4(N,Q,M,0), regM); |
| 3743 | break; |
| 3744 | case ARMneon_VSUB: /* VSUB reg, reg, reg */ |
| 3745 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,sz1,sz2), regN, regD, |
| 3746 | X1000, BITS4(N,Q,M,0), regM); |
| 3747 | break; |
| 3748 | case ARMneon_VMINU: /* VMIN.Uxx reg, reg, reg */ |
| 3749 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,sz1,sz2), regN, regD, |
| 3750 | X0110, BITS4(N,Q,M,1), regM); |
| 3751 | break; |
| 3752 | case ARMneon_VMINS: /* VMIN.Sxx reg, reg, reg */ |
| 3753 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,sz1,sz2), regN, regD, |
| 3754 | X0110, BITS4(N,Q,M,1), regM); |
| 3755 | break; |
| 3756 | case ARMneon_VMAXU: /* VMAX.Uxx reg, reg, reg */ |
| 3757 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,sz1,sz2), regN, regD, |
| 3758 | X0110, BITS4(N,Q,M,0), regM); |
| 3759 | break; |
| 3760 | case ARMneon_VMAXS: /* VMAX.Sxx reg, reg, reg */ |
| 3761 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,sz1,sz2), regN, regD, |
| 3762 | X0110, BITS4(N,Q,M,0), regM); |
| 3763 | break; |
| 3764 | case ARMneon_VRHADDS: /* VRHADD.Sxx reg, reg, reg */ |
| 3765 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,sz1,sz2), regN, regD, |
| 3766 | X0001, BITS4(N,Q,M,0), regM); |
| 3767 | break; |
| 3768 | case ARMneon_VRHADDU: /* VRHADD.Uxx reg, reg, reg */ |
| 3769 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,sz1,sz2), regN, regD, |
| 3770 | X0001, BITS4(N,Q,M,0), regM); |
| 3771 | break; |
| 3772 | case ARMneon_VQADDU: /* VQADD unsigned reg, reg, reg */ |
| 3773 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,sz1,sz2), regN, regD, |
| 3774 | X0000, BITS4(N,Q,M,1), regM); |
| 3775 | break; |
| 3776 | case ARMneon_VQADDS: /* VQADD signed reg, reg, reg */ |
| 3777 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,sz1,sz2), regN, regD, |
| 3778 | X0000, BITS4(N,Q,M,1), regM); |
| 3779 | break; |
| 3780 | case ARMneon_VQSUBU: /* VQSUB unsigned reg, reg, reg */ |
| 3781 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,sz1,sz2), regN, regD, |
| 3782 | X0010, BITS4(N,Q,M,1), regM); |
| 3783 | break; |
| 3784 | case ARMneon_VQSUBS: /* VQSUB signed reg, reg, reg */ |
| 3785 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,sz1,sz2), regN, regD, |
| 3786 | X0010, BITS4(N,Q,M,1), regM); |
| 3787 | break; |
| 3788 | case ARMneon_VCGTU: /* VCGT unsigned reg, reg, reg */ |
| 3789 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,sz1,sz2), regN, regD, |
| 3790 | X0011, BITS4(N,Q,M,0), regM); |
| 3791 | break; |
| 3792 | case ARMneon_VCGTS: /* VCGT signed reg, reg, reg */ |
| 3793 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,sz1,sz2), regN, regD, |
| 3794 | X0011, BITS4(N,Q,M,0), regM); |
| 3795 | break; |
| 3796 | case ARMneon_VCGEU: /* VCGE unsigned reg, reg, reg */ |
| 3797 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,sz1,sz2), regN, regD, |
| 3798 | X0011, BITS4(N,Q,M,1), regM); |
| 3799 | break; |
| 3800 | case ARMneon_VCGES: /* VCGE signed reg, reg, reg */ |
| 3801 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,sz1,sz2), regN, regD, |
| 3802 | X0011, BITS4(N,Q,M,1), regM); |
| 3803 | break; |
| 3804 | case ARMneon_VCEQ: /* VCEQ reg, reg, reg */ |
| 3805 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,sz1,sz2), regN, regD, |
| 3806 | X1000, BITS4(N,Q,M,1), regM); |
| 3807 | break; |
| 3808 | case ARMneon_VEXT: /* VEXT.8 reg, reg, #imm4*/ |
| 3809 | if (i->ARMin.NBinary.size >= 16) |
| 3810 | goto bad; |
| 3811 | insn = XXXXXXXX(0xF, X0010, BITS4(1,D,1,1), regN, regD, |
| 3812 | i->ARMin.NBinary.size & 0xf, BITS4(N,Q,M,0), |
| 3813 | regM); |
| 3814 | break; |
| 3815 | case ARMneon_VMUL: |
| 3816 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,sz1,sz2), regN, regD, |
| 3817 | X1001, BITS4(N,Q,M,1), regM); |
| 3818 | break; |
| 3819 | case ARMneon_VMULLU: |
| 3820 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,sz1,sz2), regN, regD, |
| 3821 | X1100, BITS4(N,0,M,0), regM); |
| 3822 | break; |
| 3823 | case ARMneon_VMULLS: |
| 3824 | insn = XXXXXXXX(0xF, X0010, BITS4(1,D,sz1,sz2), regN, regD, |
| 3825 | X1100, BITS4(N,0,M,0), regM); |
| 3826 | break; |
| 3827 | case ARMneon_VMULP: |
| 3828 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,sz1,sz2), regN, regD, |
| 3829 | X1001, BITS4(N,Q,M,1), regM); |
| 3830 | break; |
| 3831 | case ARMneon_VMULFP: |
| 3832 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,0,0), regN, regD, |
| 3833 | X1101, BITS4(N,Q,M,1), regM); |
| 3834 | break; |
| 3835 | case ARMneon_VMULLP: |
| 3836 | insn = XXXXXXXX(0xF, X0010, BITS4(1,D,sz1,sz2), regN, regD, |
| 3837 | X1110, BITS4(N,0,M,0), regM); |
| 3838 | break; |
| 3839 | case ARMneon_VQDMULH: |
| 3840 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,sz1,sz2), regN, regD, |
| 3841 | X1011, BITS4(N,Q,M,0), regM); |
| 3842 | break; |
| 3843 | case ARMneon_VQRDMULH: |
| 3844 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,sz1,sz2), regN, regD, |
| 3845 | X1011, BITS4(N,Q,M,0), regM); |
| 3846 | break; |
| 3847 | case ARMneon_VQDMULL: |
| 3848 | insn = XXXXXXXX(0xF, X0010, BITS4(1,D,sz1,sz2), regN, regD, |
| 3849 | X1101, BITS4(N,0,M,0), regM); |
| 3850 | break; |
| 3851 | case ARMneon_VTBL: |
| 3852 | insn = XXXXXXXX(0xF, X0011, BITS4(1,D,1,1), regN, regD, |
| 3853 | X1000, BITS4(N,0,M,0), regM); |
| 3854 | break; |
| 3855 | case ARMneon_VPADD: |
| 3856 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,sz1,sz2), regN, regD, |
| 3857 | X1011, BITS4(N,Q,M,1), regM); |
| 3858 | break; |
| 3859 | case ARMneon_VPADDFP: |
| 3860 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,0,0), regN, regD, |
| 3861 | X1101, BITS4(N,Q,M,0), regM); |
| 3862 | break; |
| 3863 | case ARMneon_VPMINU: |
| 3864 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,sz1,sz2), regN, regD, |
| 3865 | X1010, BITS4(N,Q,M,1), regM); |
| 3866 | break; |
| 3867 | case ARMneon_VPMINS: |
| 3868 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,sz1,sz2), regN, regD, |
| 3869 | X1010, BITS4(N,Q,M,1), regM); |
| 3870 | break; |
| 3871 | case ARMneon_VPMAXU: |
| 3872 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,sz1,sz2), regN, regD, |
| 3873 | X1010, BITS4(N,Q,M,0), regM); |
| 3874 | break; |
| 3875 | case ARMneon_VPMAXS: |
| 3876 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,sz1,sz2), regN, regD, |
| 3877 | X1010, BITS4(N,Q,M,0), regM); |
| 3878 | break; |
| 3879 | case ARMneon_VADDFP: /* VADD reg, reg, reg */ |
| 3880 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,0,0), regN, regD, |
| 3881 | X1101, BITS4(N,Q,M,0), regM); |
| 3882 | break; |
| 3883 | case ARMneon_VSUBFP: /* VADD reg, reg, reg */ |
| 3884 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,1,0), regN, regD, |
| 3885 | X1101, BITS4(N,Q,M,0), regM); |
| 3886 | break; |
| 3887 | case ARMneon_VABDFP: /* VABD reg, reg, reg */ |
| 3888 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,1,0), regN, regD, |
| 3889 | X1101, BITS4(N,Q,M,0), regM); |
| 3890 | break; |
| 3891 | case ARMneon_VMINF: |
| 3892 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,1,0), regN, regD, |
| 3893 | X1111, BITS4(N,Q,M,0), regM); |
| 3894 | break; |
| 3895 | case ARMneon_VMAXF: |
| 3896 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,0,0), regN, regD, |
| 3897 | X1111, BITS4(N,Q,M,0), regM); |
| 3898 | break; |
| 3899 | case ARMneon_VPMINF: |
| 3900 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,1,0), regN, regD, |
| 3901 | X1111, BITS4(N,Q,M,0), regM); |
| 3902 | break; |
| 3903 | case ARMneon_VPMAXF: |
| 3904 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,0,0), regN, regD, |
| 3905 | X1111, BITS4(N,Q,M,0), regM); |
| 3906 | break; |
| 3907 | case ARMneon_VRECPS: |
| 3908 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,0,0), regN, regD, X1111, |
| 3909 | BITS4(N,Q,M,1), regM); |
| 3910 | break; |
| 3911 | case ARMneon_VCGTF: |
| 3912 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,1,0), regN, regD, X1110, |
| 3913 | BITS4(N,Q,M,0), regM); |
| 3914 | break; |
| 3915 | case ARMneon_VCGEF: |
| 3916 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,0,0), regN, regD, X1110, |
| 3917 | BITS4(N,Q,M,0), regM); |
| 3918 | break; |
| 3919 | case ARMneon_VCEQF: |
| 3920 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,0,0), regN, regD, X1110, |
| 3921 | BITS4(N,Q,M,0), regM); |
| 3922 | break; |
| 3923 | case ARMneon_VRSQRTS: |
| 3924 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,1,0), regN, regD, X1111, |
| 3925 | BITS4(N,Q,M,1), regM); |
| 3926 | break; |
| 3927 | default: |
| 3928 | goto bad; |
| 3929 | } |
| 3930 | *p++ = insn; |
| 3931 | goto done; |
| 3932 | } |
| 3933 | case ARMin_NShift: { |
| 3934 | UInt Q = i->ARMin.NShift.Q ? 1 : 0; |
| 3935 | UInt regD = (hregClass(i->ARMin.NShift.dst) == HRcVec128) |
| 3936 | ? (qregNo(i->ARMin.NShift.dst) << 1) |
| 3937 | : dregNo(i->ARMin.NShift.dst); |
| 3938 | UInt regM = (hregClass(i->ARMin.NShift.argL) == HRcVec128) |
| 3939 | ? (qregNo(i->ARMin.NShift.argL) << 1) |
| 3940 | : dregNo(i->ARMin.NShift.argL); |
| 3941 | UInt regN = (hregClass(i->ARMin.NShift.argR) == HRcVec128) |
| 3942 | ? (qregNo(i->ARMin.NShift.argR) << 1) |
| 3943 | : dregNo(i->ARMin.NShift.argR); |
| 3944 | UInt sz1 = i->ARMin.NShift.size >> 1; |
| 3945 | UInt sz2 = i->ARMin.NShift.size & 1; |
| 3946 | UInt D = regD >> 4; |
| 3947 | UInt N = regN >> 4; |
| 3948 | UInt M = regM >> 4; |
| 3949 | UInt insn; |
| 3950 | regD &= 0xF; |
| 3951 | regM &= 0xF; |
| 3952 | regN &= 0xF; |
| 3953 | switch (i->ARMin.NShift.op) { |
| 3954 | case ARMneon_VSHL: |
| 3955 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,sz1,sz2), regN, regD, |
| 3956 | X0100, BITS4(N,Q,M,0), regM); |
| 3957 | break; |
| 3958 | case ARMneon_VSAL: |
| 3959 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,sz1,sz2), regN, regD, |
| 3960 | X0100, BITS4(N,Q,M,0), regM); |
| 3961 | break; |
| 3962 | case ARMneon_VQSHL: |
| 3963 | insn = XXXXXXXX(0xF, X0011, BITS4(0,D,sz1,sz2), regN, regD, |
| 3964 | X0100, BITS4(N,Q,M,1), regM); |
| 3965 | break; |
| 3966 | case ARMneon_VQSAL: |
| 3967 | insn = XXXXXXXX(0xF, X0010, BITS4(0,D,sz1,sz2), regN, regD, |
| 3968 | X0100, BITS4(N,Q,M,1), regM); |
| 3969 | break; |
| 3970 | default: |
| 3971 | goto bad; |
| 3972 | } |
| 3973 | *p++ = insn; |
| 3974 | goto done; |
| 3975 | } |
| 3976 | case ARMin_NeonImm: { |
| 3977 | UInt Q = (hregClass(i->ARMin.NeonImm.dst) == HRcVec128) ? 1 : 0; |
| 3978 | UInt regD = Q ? (qregNo(i->ARMin.NeonImm.dst) << 1) : |
| 3979 | dregNo(i->ARMin.NeonImm.dst); |
| 3980 | UInt D = regD >> 4; |
| 3981 | UInt imm = i->ARMin.NeonImm.imm->imm8; |
| 3982 | UInt tp = i->ARMin.NeonImm.imm->type; |
| 3983 | UInt j = imm >> 7; |
| 3984 | UInt imm3 = (imm >> 4) & 0x7; |
| 3985 | UInt imm4 = imm & 0xF; |
| 3986 | UInt cmode, op; |
| 3987 | UInt insn; |
| 3988 | regD &= 0xF; |
| 3989 | if (tp == 9) |
| 3990 | op = 1; |
| 3991 | else |
| 3992 | op = 0; |
| 3993 | switch (tp) { |
| 3994 | case 0: |
| 3995 | case 1: |
| 3996 | case 2: |
| 3997 | case 3: |
| 3998 | case 4: |
| 3999 | case 5: |
| 4000 | cmode = tp << 1; |
| 4001 | break; |
| 4002 | case 9: |
| 4003 | case 6: |
| 4004 | cmode = 14; |
| 4005 | break; |
| 4006 | case 7: |
| 4007 | cmode = 12; |
| 4008 | break; |
| 4009 | case 8: |
| 4010 | cmode = 13; |
| 4011 | break; |
| 4012 | case 10: |
| 4013 | cmode = 15; |
| 4014 | break; |
| 4015 | default: |
| 4016 | vpanic("ARMin_NeonImm"); |
| 4017 | |
| 4018 | } |
| 4019 | insn = XXXXXXXX(0xF, BITS4(0,0,1,j), BITS4(1,D,0,0), imm3, regD, |
| 4020 | cmode, BITS4(0,Q,op,1), imm4); |
| 4021 | *p++ = insn; |
| 4022 | goto done; |
| 4023 | } |
| 4024 | case ARMin_NCMovQ: { |
| 4025 | UInt cc = (UInt)i->ARMin.NCMovQ.cond; |
| 4026 | UInt qM = qregNo(i->ARMin.NCMovQ.src) << 1; |
| 4027 | UInt qD = qregNo(i->ARMin.NCMovQ.dst) << 1; |
| 4028 | UInt vM = qM & 0xF; |
| 4029 | UInt vD = qD & 0xF; |
| 4030 | UInt M = (qM >> 4) & 1; |
| 4031 | UInt D = (qD >> 4) & 1; |
| 4032 | vassert(cc < 16 && cc != ARMcc_AL && cc != ARMcc_NV); |
| 4033 | /* b!cc here+8: !cc A00 0000 */ |
| 4034 | UInt insn = XXXXXXXX(cc ^ 1, 0xA, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0); |
| 4035 | *p++ = insn; |
| 4036 | /* vmov qD, qM */ |
| 4037 | insn = XXXXXXXX(0xF, 0x2, BITS4(0,D,1,0), |
| 4038 | vM, vD, BITS4(0,0,0,1), BITS4(M,1,M,1), vM); |
| 4039 | *p++ = insn; |
| 4040 | goto done; |
| 4041 | } |
| 4042 | case ARMin_Add32: { |
| 4043 | UInt regD = iregNo(i->ARMin.Add32.rD); |
| 4044 | UInt regN = iregNo(i->ARMin.Add32.rN); |
| 4045 | UInt imm32 = i->ARMin.Add32.imm32; |
| 4046 | vassert(regD != regN); |
| 4047 | /* MOV regD, imm32 */ |
| 4048 | p = imm32_to_iregNo((UInt *)p, regD, imm32); |
| 4049 | /* ADD regD, regN, regD */ |
| 4050 | UInt insn = XXXXXXXX(0xE, 0, X1000, regN, regD, 0, 0, regD); |
| 4051 | *p++ = insn; |
| 4052 | goto done; |
| 4053 | } |
| 4054 | /* ... */ |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 4055 | default: |
| 4056 | goto bad; |
| 4057 | } |
| 4058 | |
| 4059 | bad: |
| 4060 | ppARMInstr(i); |
| 4061 | vpanic("emit_ARMInstr"); |
| 4062 | /*NOTREACHED*/ |
sewardj | 6c60b32 | 2010-08-22 12:48:28 +0000 | [diff] [blame] | 4063 | |
sewardj | 6c299f3 | 2009-12-31 18:00:12 +0000 | [diff] [blame] | 4064 | done: |
| 4065 | vassert(((UChar*)p) - &buf[0] <= 32); |
| 4066 | return ((UChar*)p) - &buf[0]; |
| 4067 | } |
| 4068 | |
| 4069 | #undef BITS4 |
| 4070 | #undef X0000 |
| 4071 | #undef X0001 |
| 4072 | #undef X0010 |
| 4073 | #undef X0011 |
| 4074 | #undef X0100 |
| 4075 | #undef X0101 |
| 4076 | #undef X0110 |
| 4077 | #undef X0111 |
| 4078 | #undef X1000 |
| 4079 | #undef X1001 |
| 4080 | #undef X1010 |
| 4081 | #undef X1011 |
| 4082 | #undef X1100 |
| 4083 | #undef X1101 |
| 4084 | #undef X1110 |
| 4085 | #undef X1111 |
| 4086 | #undef XXXXX___ |
| 4087 | #undef XXXXXX__ |
| 4088 | #undef XXX___XX |
| 4089 | #undef XXXXX__X |
| 4090 | #undef XXXXXXXX |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 4091 | |
| 4092 | /*---------------------------------------------------------------*/ |
sewardj | cef7d3e | 2009-07-02 12:21:59 +0000 | [diff] [blame] | 4093 | /*--- end host_arm_defs.c ---*/ |
cerion | 82edbb3 | 2004-12-16 14:06:34 +0000 | [diff] [blame] | 4094 | /*---------------------------------------------------------------*/ |