test/MC/AArch64/arm64-memory.s

   1 ; RUN: llvm-mc -triple arm64-apple-darwin -show-encoding < %s | FileCheck %s
   2
   3 foo:
   4 ;-----------------------------------------------------------------------------
   5 ; Indexed loads
   6 ;-----------------------------------------------------------------------------
   7
   8   ldr    w5, [x4, #20]
   9   ldr    x4, [x3]
  10   ldr    x2, [sp, #32]
  11   ldr    b5, [sp, #1]
  12   ldr    h6, [sp, #2]
  13   ldr    s7, [sp, #4]
  14   ldr    d8, [sp, #8]
  15   ldr    q9, [sp, #16]
  16   ldrb   w4, [x3]
  17   ldrb   w5, [x4, #20]
  18   ldrb   w2, [x3, _foo@pageoff]
  19   ldrb   w3, [x2, "+[Test method].var"@PAGEOFF]
  20   ldrsb  w9, [x3]
  21   ldrsb  x2, [sp, #128]
  22   ldrh   w2, [sp, #32]
  23   ldrsh  w3, [sp, #32]
  24   ldrsh  x5, [x9, #24]
  25   ldrsw  x9, [sp, #512]
  26
  27   prfm   #5, [sp, #32]
  28   prfm   #31, [sp, #32]
  29   prfm   pldl1keep, [x2]
  30   prfm   pldl1strm, [x2]
  31   prfm   pldl2keep, [x2]
  32   prfm   pldl2strm, [x2]
  33   prfm   pldl3keep, [x2]
  34   prfm   pldl3strm, [x2]
  35   prfm   pstl1keep, [x2]
  36   prfm   pstl1strm, [x2]
  37   prfm   pstl2keep, [x2]
  38   prfm   pstl2strm, [x2]
  39   prfm   pstl3keep, [x2]
  40   prfm   pstl3strm, [x2]
  41   prfm  pstl3strm, [x4, x5, lsl #3]
  42
  43 ; CHECK: ldr    w5, [x4, #20]           ; encoding: [0x85,0x14,0x40,0xb9]
  44 ; CHECK: ldr    x4, [x3]                ; encoding: [0x64,0x00,0x40,0xf9]
  45 ; CHECK: ldr    x2, [sp, #32]           ; encoding: [0xe2,0x13,0x40,0xf9]
  46 ; CHECK: ldr    b5, [sp, #1]            ; encoding: [0xe5,0x07,0x40,0x3d]
  47 ; CHECK: ldr    h6, [sp, #2]            ; encoding: [0xe6,0x07,0x40,0x7d]
  48 ; CHECK: ldr    s7, [sp, #4]            ; encoding: [0xe7,0x07,0x40,0xbd]
  49 ; CHECK: ldr    d8, [sp, #8]            ; encoding: [0xe8,0x07,0x40,0xfd]
  50 ; CHECK: ldr    q9, [sp, #16]           ; encoding: [0xe9,0x07,0xc0,0x3d]
  51 ; CHECK: ldrb   w4, [x3]                ; encoding: [0x64,0x00,0x40,0x39]
  52 ; CHECK: ldrb   w5, [x4, #20]           ; encoding: [0x85,0x50,0x40,0x39]
  53 ; CHECK: ldrb   w2, [x3, _foo@PAGEOFF]  ; encoding: [0x62,0bAAAAAA00,0b01AAAAAA,0x39]
  54 ; CHECK: ldrb   w3, [x2, "+[Test method].var"@PAGEOFF] ; encoding: [0x43,0bAAAAAA00,0b01AAAAAA,0x39]
  55 ; CHECK: ldrsb  w9, [x3]                ; encoding: [0x69,0x00,0xc0,0x39]
  56 ; CHECK: ldrsb  x2, [sp, #128]          ; encoding: [0xe2,0x03,0x82,0x39]
  57 ; CHECK: ldrh   w2, [sp, #32]           ; encoding: [0xe2,0x43,0x40,0x79]
  58 ; CHECK: ldrsh  w3, [sp, #32]           ; encoding: [0xe3,0x43,0xc0,0x79]
  59 ; CHECK: ldrsh  x5, [x9, #24]           ; encoding: [0x25,0x31,0x80,0x79]
  60 ; CHECK: ldrsw  x9, [sp, #512]          ; encoding: [0xe9,0x03,0x82,0xb9]
  61 ; CHECK: prfm   pldl3strm, [sp, #32]    ; encoding: [0xe5,0x13,0x80,0xf9]
  62 ; CHECK: prfm   #31, [sp, #32]          ; encoding: [0xff,0x13,0x80,0xf9]
  63 ; CHECK: prfm   pldl1keep, [x2]         ; encoding: [0x40,0x00,0x80,0xf9]
  64 ; CHECK: prfm   pldl1strm, [x2]         ; encoding: [0x41,0x00,0x80,0xf9]
  65 ; CHECK: prfm   pldl2keep, [x2]         ; encoding: [0x42,0x00,0x80,0xf9]
  66 ; CHECK: prfm   pldl2strm, [x2]         ; encoding: [0x43,0x00,0x80,0xf9]
  67 ; CHECK: prfm   pldl3keep, [x2]         ; encoding: [0x44,0x00,0x80,0xf9]
  68 ; CHECK: prfm   pldl3strm, [x2]         ; encoding: [0x45,0x00,0x80,0xf9]
  69 ; CHECK: prfm   pstl1keep, [x2]         ; encoding: [0x50,0x00,0x80,0xf9]
  70 ; CHECK: prfm   pstl1strm, [x2]         ; encoding: [0x51,0x00,0x80,0xf9]
  71 ; CHECK: prfm   pstl2keep, [x2]         ; encoding: [0x52,0x00,0x80,0xf9]
  72 ; CHECK: prfm   pstl2strm, [x2]         ; encoding: [0x53,0x00,0x80,0xf9]
  73 ; CHECK: prfm   pstl3keep, [x2]         ; encoding: [0x54,0x00,0x80,0xf9]
  74 ; CHECK: prfm   pstl3strm, [x2]         ; encoding: [0x55,0x00,0x80,0xf9]
  75 ; CHECK: prfm   pstl3strm, [x4, x5, lsl #3] ; encoding: [0x95,0x78,0xa5,0xf8]
  76
  77 ;-----------------------------------------------------------------------------
  78 ; Indexed stores
  79 ;-----------------------------------------------------------------------------
  80
  81   str   x4, [x3]
  82   str   x2, [sp, #32]
  83   str   w5, [x4, #20]
  84   str   b5, [sp, #1]
  85   str   h6, [sp, #2]
  86   str   s7, [sp, #4]
  87   str   d8, [sp, #8]
  88   str   q9, [sp, #16]
  89   strb  w4, [x3]
  90   strb  w5, [x4, #20]
  91   strh  w2, [sp, #32]
  92
  93 ; CHECK: str   x4, [x3]                 ; encoding: [0x64,0x00,0x00,0xf9]
  94 ; CHECK: str   x2, [sp, #32]            ; encoding: [0xe2,0x13,0x00,0xf9]
  95 ; CHECK: str   w5, [x4, #20]            ; encoding: [0x85,0x14,0x00,0xb9]
  96 ; CHECK: str   b5, [sp, #1]             ; encoding: [0xe5,0x07,0x00,0x3d]
  97 ; CHECK: str   h6, [sp, #2]             ; encoding: [0xe6,0x07,0x00,0x7d]
  98 ; CHECK: str   s7, [sp, #4]             ; encoding: [0xe7,0x07,0x00,0xbd]
  99 ; CHECK: str   d8, [sp, #8]             ; encoding: [0xe8,0x07,0x00,0xfd]
 100 ; CHECK: str   q9, [sp, #16]            ; encoding: [0xe9,0x07,0x80,0x3d]
 101 ; CHECK: strb  w4, [x3]                 ; encoding: [0x64,0x00,0x00,0x39]
 102 ; CHECK: strb  w5, [x4, #20]            ; encoding: [0x85,0x50,0x00,0x39]
 103 ; CHECK: strh  w2, [sp, #32]            ; encoding: [0xe2,0x43,0x00,0x79]
 104
 105 ;-----------------------------------------------------------------------------
 106 ; Unscaled immediate loads and stores
 107 ;-----------------------------------------------------------------------------
 108
 109   ldur    w2, [x3]
 110   ldur    w2, [sp, #24]
 111   ldur    x2, [x3]
 112   ldur    x2, [sp, #24]
 113   ldur    b5, [sp, #1]
 114   ldur    h6, [sp, #2]
 115   ldur    s7, [sp, #4]
 116   ldur    d8, [sp, #8]
 117   ldur    q9, [sp, #16]
 118   ldursb  w9, [x3]
 119   ldursb  x2, [sp, #128]
 120   ldursh  w3, [sp, #32]
 121   ldursh  x5, [x9, #24]
 122   ldursw  x9, [sp, #-128]
 123
 124 ; CHECK: ldur    w2, [x3]               ; encoding: [0x62,0x00,0x40,0xb8]
 125 ; CHECK: ldur    w2, [sp, #24]          ; encoding: [0xe2,0x83,0x41,0xb8]
 126 ; CHECK: ldur    x2, [x3]               ; encoding: [0x62,0x00,0x40,0xf8]
 127 ; CHECK: ldur    x2, [sp, #24]          ; encoding: [0xe2,0x83,0x41,0xf8]
 128 ; CHECK: ldur    b5, [sp, #1]           ; encoding: [0xe5,0x13,0x40,0x3c]
 129 ; CHECK: ldur    h6, [sp, #2]           ; encoding: [0xe6,0x23,0x40,0x7c]
 130 ; CHECK: ldur    s7, [sp, #4]           ; encoding: [0xe7,0x43,0x40,0xbc]
 131 ; CHECK: ldur    d8, [sp, #8]           ; encoding: [0xe8,0x83,0x40,0xfc]
 132 ; CHECK: ldur    q9, [sp, #16]          ; encoding: [0xe9,0x03,0xc1,0x3c]
 133 ; CHECK: ldursb  w9, [x3]               ; encoding: [0x69,0x00,0xc0,0x38]
 134 ; CHECK: ldursb  x2, [sp, #128]         ; encoding: [0xe2,0x03,0x88,0x38]
 135 ; CHECK: ldursh  w3, [sp, #32]          ; encoding: [0xe3,0x03,0xc2,0x78]
 136 ; CHECK: ldursh  x5, [x9, #24]          ; encoding: [0x25,0x81,0x81,0x78]
 137 ; CHECK: ldursw  x9, [sp, #-128]        ; encoding: [0xe9,0x03,0x98,0xb8]
 138
 139   stur    w4, [x3]
 140   stur    w2, [sp, #32]
 141   stur    x4, [x3]
 142   stur    x2, [sp, #32]
 143   stur    w5, [x4, #20]
 144   stur    b5, [sp, #1]
 145   stur    h6, [sp, #2]
 146   stur    s7, [sp, #4]
 147   stur    d8, [sp, #8]
 148   stur    q9, [sp, #16]
 149   sturb   w4, [x3]
 150   sturb   w5, [x4, #20]
 151   sturh   w2, [sp, #32]
 152   prfum   #5, [sp, #32]
 153
 154 ; CHECK: stur    w4, [x3]               ; encoding: [0x64,0x00,0x00,0xb8]
 155 ; CHECK: stur    w2, [sp, #32]          ; encoding: [0xe2,0x03,0x02,0xb8]
 156 ; CHECK: stur    x4, [x3]               ; encoding: [0x64,0x00,0x00,0xf8]
 157 ; CHECK: stur    x2, [sp, #32]          ; encoding: [0xe2,0x03,0x02,0xf8]
 158 ; CHECK: stur    w5, [x4, #20]          ; encoding: [0x85,0x40,0x01,0xb8]
 159 ; CHECK: stur    b5, [sp, #1]           ; encoding: [0xe5,0x13,0x00,0x3c]
 160 ; CHECK: stur    h6, [sp, #2]           ; encoding: [0xe6,0x23,0x00,0x7c]
 161 ; CHECK: stur    s7, [sp, #4]           ; encoding: [0xe7,0x43,0x00,0xbc]
 162 ; CHECK: stur    d8, [sp, #8]           ; encoding: [0xe8,0x83,0x00,0xfc]
 163 ; CHECK: stur    q9, [sp, #16]          ; encoding: [0xe9,0x03,0x81,0x3c]
 164 ; CHECK: sturb   w4, [x3]               ; encoding: [0x64,0x00,0x00,0x38]
 165 ; CHECK: sturb   w5, [x4, #20]          ; encoding: [0x85,0x40,0x01,0x38]
 166 ; CHECK: sturh   w2, [sp, #32]          ; encoding: [0xe2,0x03,0x02,0x78]
 167 ; CHECK: prfum   pldl3strm, [sp, #32]   ; encoding: [0xe5,0x03,0x82,0xf8]
 168
 169 ;-----------------------------------------------------------------------------
 170 ; Unprivileged loads and stores
 171 ;-----------------------------------------------------------------------------
 172
 173   ldtr    w3, [x4, #16]
 174   ldtr    x3, [x4, #16]
 175   ldtrb   w3, [x4, #16]
 176   ldtrsb  w9, [x3]
 177   ldtrsb  x2, [sp, #128]
 178   ldtrh   w3, [x4, #16]
 179   ldtrsh  w3, [sp, #32]
 180   ldtrsh  x5, [x9, #24]
 181   ldtrsw  x9, [sp, #-128]
 182
 183 ; CHECK: ldtr   w3, [x4, #16]           ; encoding: [0x83,0x08,0x41,0xb8]
 184 ; CHECK: ldtr   x3, [x4, #16]           ; encoding: [0x83,0x08,0x41,0xf8]
 185 ; CHECK: ldtrb  w3, [x4, #16]           ; encoding: [0x83,0x08,0x41,0x38]
 186 ; CHECK: ldtrsb w9, [x3]                ; encoding: [0x69,0x08,0xc0,0x38]
 187 ; CHECK: ldtrsb x2, [sp, #128]          ; encoding: [0xe2,0x0b,0x88,0x38]
 188 ; CHECK: ldtrh  w3, [x4, #16]           ; encoding: [0x83,0x08,0x41,0x78]
 189 ; CHECK: ldtrsh w3, [sp, #32]           ; encoding: [0xe3,0x0b,0xc2,0x78]
 190 ; CHECK: ldtrsh x5, [x9, #24]           ; encoding: [0x25,0x89,0x81,0x78]
 191 ; CHECK: ldtrsw x9, [sp, #-128]         ; encoding: [0xe9,0x0b,0x98,0xb8]
 192
 193   sttr    w5, [x4, #20]
 194   sttr    x4, [x3]
 195   sttr    x2, [sp, #32]
 196   sttrb   w4, [x3]
 197   sttrb   w5, [x4, #20]
 198   sttrh   w2, [sp, #32]
 199
 200 ; CHECK: sttr   w5, [x4, #20]           ; encoding: [0x85,0x48,0x01,0xb8]
 201 ; CHECK: sttr   x4, [x3]                ; encoding: [0x64,0x08,0x00,0xf8]
 202 ; CHECK: sttr   x2, [sp, #32]           ; encoding: [0xe2,0x0b,0x02,0xf8]
 203 ; CHECK: sttrb  w4, [x3]                ; encoding: [0x64,0x08,0x00,0x38]
 204 ; CHECK: sttrb  w5, [x4, #20]           ; encoding: [0x85,0x48,0x01,0x38]
 205 ; CHECK: sttrh  w2, [sp, #32]           ; encoding: [0xe2,0x0b,0x02,0x78]
 206
 207 ;-----------------------------------------------------------------------------
 208 ; Pre-indexed loads and stores
 209 ;-----------------------------------------------------------------------------
 210
 211   ldr   x29, [x7, #8]!
 212   ldr   x30, [x7, #8]!
 213   ldr   b5, [x0, #1]!
 214   ldr   h6, [x0, #2]!
 215   ldr   s7, [x0, #4]!
 216   ldr   d8, [x0, #8]!
 217   ldr   q9, [x0, #16]!
 218
 219   str   x30, [x7, #-8]!
 220   str   x29, [x7, #-8]!
 221   str   b5, [x0, #-1]!
 222   str   h6, [x0, #-2]!
 223   str   s7, [x0, #-4]!
 224   str   d8, [x0, #-8]!
 225   str   q9, [x0, #-16]!
 226
 227 ; CHECK: ldr  x29, [x7, #8]!             ; encoding: [0xfd,0x8c,0x40,0xf8]
 228 ; CHECK: ldr  x30, [x7, #8]!             ; encoding: [0xfe,0x8c,0x40,0xf8]
 229 ; CHECK: ldr  b5, [x0, #1]!             ; encoding: [0x05,0x1c,0x40,0x3c]
 230 ; CHECK: ldr  h6, [x0, #2]!             ; encoding: [0x06,0x2c,0x40,0x7c]
 231 ; CHECK: ldr  s7, [x0, #4]!             ; encoding: [0x07,0x4c,0x40,0xbc]
 232 ; CHECK: ldr  d8, [x0, #8]!             ; encoding: [0x08,0x8c,0x40,0xfc]
 233 ; CHECK: ldr  q9, [x0, #16]!            ; encoding: [0x09,0x0c,0xc1,0x3c]
 234
 235 ; CHECK: str  x30, [x7, #-8]!            ; encoding: [0xfe,0x8c,0x1f,0xf8]
 236 ; CHECK: str  x29, [x7, #-8]!            ; encoding: [0xfd,0x8c,0x1f,0xf8]
 237 ; CHECK: str  b5, [x0, #-1]!            ; encoding: [0x05,0xfc,0x1f,0x3c]
 238 ; CHECK: str  h6, [x0, #-2]!            ; encoding: [0x06,0xec,0x1f,0x7c]
 239 ; CHECK: str  s7, [x0, #-4]!            ; encoding: [0x07,0xcc,0x1f,0xbc]
 240 ; CHECK: str  d8, [x0, #-8]!            ; encoding: [0x08,0x8c,0x1f,0xfc]
 241 ; CHECK: str  q9, [x0, #-16]!           ; encoding: [0x09,0x0c,0x9f,0x3c]
 242
 243 ;-----------------------------------------------------------------------------
 244 ; post-indexed loads and stores
 245 ;-----------------------------------------------------------------------------
 246   str x30, [x7], #-8
 247   str x29, [x7], #-8
 248   str b5, [x0], #-1
 249   str h6, [x0], #-2
 250   str s7, [x0], #-4
 251   str d8, [x0], #-8
 252   str q9, [x0], #-16
 253
 254   ldr x29, [x7], #8
 255   ldr x30, [x7], #8
 256   ldr b5, [x0], #1
 257   ldr h6, [x0], #2
 258   ldr s7, [x0], #4
 259   ldr d8, [x0], #8
 260   ldr q9, [x0], #16
 261
 262 ; CHECK: str x30, [x7], #-8             ; encoding: [0xfe,0x84,0x1f,0xf8]
 263 ; CHECK: str x29, [x7], #-8             ; encoding: [0xfd,0x84,0x1f,0xf8]
 264 ; CHECK: str b5, [x0], #-1             ; encoding: [0x05,0xf4,0x1f,0x3c]
 265 ; CHECK: str h6, [x0], #-2             ; encoding: [0x06,0xe4,0x1f,0x7c]
 266 ; CHECK: str s7, [x0], #-4             ; encoding: [0x07,0xc4,0x1f,0xbc]
 267 ; CHECK: str d8, [x0], #-8             ; encoding: [0x08,0x84,0x1f,0xfc]
 268 ; CHECK: str q9, [x0], #-16            ; encoding: [0x09,0x04,0x9f,0x3c]
 269
 270 ; CHECK: ldr x29, [x7], #8              ; encoding: [0xfd,0x84,0x40,0xf8]
 271 ; CHECK: ldr x30, [x7], #8              ; encoding: [0xfe,0x84,0x40,0xf8]
 272 ; CHECK: ldr b5, [x0], #1              ; encoding: [0x05,0x14,0x40,0x3c]
 273 ; CHECK: ldr h6, [x0], #2              ; encoding: [0x06,0x24,0x40,0x7c]
 274 ; CHECK: ldr s7, [x0], #4              ; encoding: [0x07,0x44,0x40,0xbc]
 275 ; CHECK: ldr d8, [x0], #8              ; encoding: [0x08,0x84,0x40,0xfc]
 276 ; CHECK: ldr q9, [x0], #16             ; encoding: [0x09,0x04,0xc1,0x3c]
 277
 278 ;-----------------------------------------------------------------------------
 279 ; Load/Store pair (indexed, offset)
 280 ;-----------------------------------------------------------------------------
 281
 282   ldp    w3, w2, [x15, #16]
 283   ldp    x4, x9, [sp, #-16]
 284   ldpsw  x2, x3, [x14, #16]
 285   ldpsw  x2, x3, [sp, #-16]
 286   ldp    s10, s1, [x2, #64]
 287   ldp    d10, d1, [x2]
 288   ldp    q2, q3, [x0, #32]
 289
 290 ; CHECK: ldp    w3, w2, [x15, #16]      ; encoding: [0xe3,0x09,0x42,0x29]
 291 ; CHECK: ldp    x4, x9, [sp, #-16]      ; encoding: [0xe4,0x27,0x7f,0xa9]
 292 ; CHECK: ldpsw  x2, x3, [x14, #16]      ; encoding: [0xc2,0x0d,0x42,0x69]
 293 ; CHECK: ldpsw  x2, x3, [sp, #-16]      ; encoding: [0xe2,0x0f,0x7e,0x69]
 294 ; CHECK: ldp    s10, s1, [x2, #64]      ; encoding: [0x4a,0x04,0x48,0x2d]
 295 ; CHECK: ldp    d10, d1, [x2]           ; encoding: [0x4a,0x04,0x40,0x6d]
 296 ; CHECK: ldp    q2, q3, [x0, #32]       ; encoding: [0x02,0x0c,0x41,0xad]
 297
 298   stp    w3, w2, [x15, #16]
 299   stp    x4, x9, [sp, #-16]
 300   stp    s10, s1, [x2, #64]
 301   stp    d10, d1, [x2]
 302   stp    q2, q3, [x0, #32]
 303
 304 ; CHECK: stp    w3, w2, [x15, #16]      ; encoding: [0xe3,0x09,0x02,0x29]
 305 ; CHECK: stp    x4, x9, [sp, #-16]      ; encoding: [0xe4,0x27,0x3f,0xa9]
 306 ; CHECK: stp    s10, s1, [x2, #64]      ; encoding: [0x4a,0x04,0x08,0x2d]
 307 ; CHECK: stp    d10, d1, [x2]           ; encoding: [0x4a,0x04,0x00,0x6d]
 308 ; CHECK: stp    q2, q3, [x0, #32]       ; encoding: [0x02,0x0c,0x01,0xad]
 309
 310 ;-----------------------------------------------------------------------------
 311 ; Load/Store pair (pre-indexed)
 312 ;-----------------------------------------------------------------------------
 313
 314   ldp    w3, w2, [x15, #16]!
 315   ldp    x4, x9, [sp, #-16]!
 316   ldpsw  x2, x3, [x14, #16]!
 317   ldpsw  x2, x3, [sp, #-16]!
 318   ldp    s10, s1, [x2, #64]!
 319   ldp    d10, d1, [x2, #16]!
 320
 321 ; CHECK: ldp  w3, w2, [x15, #16]!       ; encoding: [0xe3,0x09,0xc2,0x29]
 322 ; CHECK: ldp  x4, x9, [sp, #-16]!       ; encoding: [0xe4,0x27,0xff,0xa9]
 323 ; CHECK: ldpsw  x2, x3, [x14, #16]!     ; encoding: [0xc2,0x0d,0xc2,0x69]
 324 ; CHECK: ldpsw  x2, x3, [sp, #-16]!     ; encoding: [0xe2,0x0f,0xfe,0x69]
 325 ; CHECK: ldp  s10, s1, [x2, #64]!       ; encoding: [0x4a,0x04,0xc8,0x2d]
 326 ; CHECK: ldp  d10, d1, [x2, #16]!       ; encoding: [0x4a,0x04,0xc1,0x6d]
 327
 328   stp    w3, w2, [x15, #16]!
 329   stp    x4, x9, [sp, #-16]!
 330   stp    s10, s1, [x2, #64]!
 331   stp    d10, d1, [x2, #16]!
 332
 333 ; CHECK: stp  w3, w2, [x15, #16]!       ; encoding: [0xe3,0x09,0x82,0x29]
 334 ; CHECK: stp  x4, x9, [sp, #-16]!       ; encoding: [0xe4,0x27,0xbf,0xa9]
 335 ; CHECK: stp  s10, s1, [x2, #64]!       ; encoding: [0x4a,0x04,0x88,0x2d]
 336 ; CHECK: stp  d10, d1, [x2, #16]!       ; encoding: [0x4a,0x04,0x81,0x6d]
 337
 338 ;-----------------------------------------------------------------------------
 339 ; Load/Store pair (post-indexed)
 340 ;-----------------------------------------------------------------------------
 341
 342   ldp    w3, w2, [x15], #16
 343   ldp    x4, x9, [sp], #-16
 344   ldpsw  x2, x3, [x14], #16
 345   ldpsw  x2, x3, [sp], #-16
 346   ldp    s10, s1, [x2], #64
 347   ldp    d10, d1, [x2], #16
 348
 349 ; CHECK: ldp  w3, w2, [x15], #16        ; encoding: [0xe3,0x09,0xc2,0x28]
 350 ; CHECK: ldp  x4, x9, [sp], #-16        ; encoding: [0xe4,0x27,0xff,0xa8]
 351 ; CHECK: ldpsw  x2, x3, [x14], #16      ; encoding: [0xc2,0x0d,0xc2,0x68]
 352 ; CHECK: ldpsw  x2, x3, [sp], #-16      ; encoding: [0xe2,0x0f,0xfe,0x68]
 353 ; CHECK: ldp  s10, s1, [x2], #64        ; encoding: [0x4a,0x04,0xc8,0x2c]
 354 ; CHECK: ldp  d10, d1, [x2], #16        ; encoding: [0x4a,0x04,0xc1,0x6c]
 355
 356   stp    w3, w2, [x15], #16
 357   stp    x4, x9, [sp], #-16
 358   stp    s10, s1, [x2], #64
 359   stp    d10, d1, [x2], #16
 360
 361 ; CHECK: stp  w3, w2, [x15], #16        ; encoding: [0xe3,0x09,0x82,0x28]
 362 ; CHECK: stp  x4, x9, [sp], #-16        ; encoding: [0xe4,0x27,0xbf,0xa8]
 363 ; CHECK: stp  s10, s1, [x2], #64        ; encoding: [0x4a,0x04,0x88,0x2c]
 364 ; CHECK: stp  d10, d1, [x2], #16        ; encoding: [0x4a,0x04,0x81,0x6c]
 365
 366 ;-----------------------------------------------------------------------------
 367 ; Load/Store pair (no-allocate)
 368 ;-----------------------------------------------------------------------------
 369
 370   ldnp  w3, w2, [x15, #16]
 371   ldnp  x4, x9, [sp, #-16]
 372   ldnp  s10, s1, [x2, #64]
 373   ldnp  d10, d1, [x2]
 374
 375 ; CHECK: ldnp  w3, w2, [x15, #16]       ; encoding: [0xe3,0x09,0x42,0x28]
 376 ; CHECK: ldnp  x4, x9, [sp, #-16]       ; encoding: [0xe4,0x27,0x7f,0xa8]
 377 ; CHECK: ldnp  s10, s1, [x2, #64]       ; encoding: [0x4a,0x04,0x48,0x2c]
 378 ; CHECK: ldnp  d10, d1, [x2]            ; encoding: [0x4a,0x04,0x40,0x6c]
 379
 380   stnp  w3, w2, [x15, #16]
 381   stnp  x4, x9, [sp, #-16]
 382   stnp  s10, s1, [x2, #64]
 383   stnp  d10, d1, [x2]
 384
 385 ; CHECK: stnp  w3, w2, [x15, #16]       ; encoding: [0xe3,0x09,0x02,0x28]
 386 ; CHECK: stnp  x4, x9, [sp, #-16]       ; encoding: [0xe4,0x27,0x3f,0xa8]
 387 ; CHECK: stnp  s10, s1, [x2, #64]       ; encoding: [0x4a,0x04,0x08,0x2c]
 388 ; CHECK: stnp  d10, d1, [x2]            ; encoding: [0x4a,0x04,0x00,0x6c]
 389
 390 ;-----------------------------------------------------------------------------
 391 ; Load/Store register offset
 392 ;-----------------------------------------------------------------------------
 393
 394   ldr  w0, [x0, x0]
 395   ldr  w0, [x0, x0, lsl #2]
 396   ldr  x0, [x0, x0]
 397   ldr  x0, [x0, x0, lsl #3]
 398   ldr  x0, [x0, x0, sxtx]
 399
 400 ; CHECK: ldr  w0, [x0, x0]              ; encoding: [0x00,0x68,0x60,0xb8]
 401 ; CHECK: ldr  w0, [x0, x0, lsl #2]      ; encoding: [0x00,0x78,0x60,0xb8]
 402 ; CHECK: ldr  x0, [x0, x0]              ; encoding: [0x00,0x68,0x60,0xf8]
 403 ; CHECK: ldr  x0, [x0, x0, lsl #3]      ; encoding: [0x00,0x78,0x60,0xf8]
 404 ; CHECK: ldr  x0, [x0, x0, sxtx]        ; encoding: [0x00,0xe8,0x60,0xf8]
 405
 406   ldr  b1, [x1, x2]
 407   ldr  b1, [x1, x2, lsl #0]
 408   ldr  h1, [x1, x2]
 409   ldr  h1, [x1, x2, lsl #1]
 410   ldr  s1, [x1, x2]
 411   ldr  s1, [x1, x2, lsl #2]
 412   ldr  d1, [x1, x2]
 413   ldr  d1, [x1, x2, lsl #3]
 414   ldr  q1, [x1, x2]
 415   ldr  q1, [x1, x2, lsl #4]
 416
 417 ; CHECK: ldr  b1, [x1, x2]              ; encoding: [0x21,0x68,0x62,0x3c]
 418 ; CHECK: ldr  b1, [x1, x2, lsl #0]      ; encoding: [0x21,0x78,0x62,0x3c]
 419 ; CHECK: ldr  h1, [x1, x2]              ; encoding: [0x21,0x68,0x62,0x7c]
 420 ; CHECK: ldr  h1, [x1, x2, lsl #1]      ; encoding: [0x21,0x78,0x62,0x7c]
 421 ; CHECK: ldr  s1, [x1, x2]              ; encoding: [0x21,0x68,0x62,0xbc]
 422 ; CHECK: ldr  s1, [x1, x2, lsl #2]      ; encoding: [0x21,0x78,0x62,0xbc]
 423 ; CHECK: ldr  d1, [x1, x2]              ; encoding: [0x21,0x68,0x62,0xfc]
 424 ; CHECK: ldr  d1, [x1, x2, lsl #3]      ; encoding: [0x21,0x78,0x62,0xfc]
 425 ; CHECK: ldr  q1, [x1, x2]              ; encoding: [0x21,0x68,0xe2,0x3c]
 426 ; CHECK: ldr  q1, [x1, x2, lsl #4]      ; encoding: [0x21,0x78,0xe2,0x3c]
 427
 428   str  d1, [sp, x3]
 429   str  d1, [sp, w3, uxtw #3]
 430   str  q1, [sp, x3]
 431   str  q1, [sp, w3, uxtw #4]
 432
 433 ; CHECK: str  d1, [sp, x3]              ; encoding: [0xe1,0x6b,0x23,0xfc]
 434 ; CHECK: str  d1, [sp, w3, uxtw #3]     ; encoding: [0xe1,0x5b,0x23,0xfc]
 435 ; CHECK: str  q1, [sp, x3]              ; encoding: [0xe1,0x6b,0xa3,0x3c]
 436 ; CHECK: str  q1, [sp, w3, uxtw #4]     ; encoding: [0xe1,0x5b,0xa3,0x3c]
 437
 438 ;-----------------------------------------------------------------------------
 439 ; Load literal
 440 ;-----------------------------------------------------------------------------
 441
 442   ldr    w5, foo
 443   ldr    x4, foo
 444   ldrsw  x9, foo
 445   prfm   #5, foo
 446
 447 ; CHECK: ldr    w5, foo                 ; encoding: [0bAAA00101,A,A,0x18]
 448 ; CHECK: ldr    x4, foo                 ; encoding: [0bAAA00100,A,A,0x58]
 449 ; CHECK: ldrsw  x9, foo                 ; encoding: [0bAAA01001,A,A,0x98]
 450 ; CHECK: prfm   pldl3strm, foo          ; encoding: [0bAAA00101,A,A,0xd8]
 451
 452 ;-----------------------------------------------------------------------------
 453 ; Load/Store exclusive
 454 ;-----------------------------------------------------------------------------
 455
 456   ldxr   w6, [x1]
 457   ldxr   x6, [x1]
 458   ldxrb  w6, [x1]
 459   ldxrh  w6, [x1]
 460   ldxp   w7, w3, [x9]
 461   ldxp   x7, x3, [x9]
 462
 463 ; CHECK: ldxrb  w6, [x1]                ; encoding: [0x26,0x7c,0x5f,0x08]
 464 ; CHECK: ldxrh  w6, [x1]                ; encoding: [0x26,0x7c,0x5f,0x48]
 465 ; CHECK: ldxp   w7, w3, [x9]            ; encoding: [0x27,0x0d,0x7f,0x88]
 466 ; CHECK: ldxp   x7, x3, [x9]            ; encoding: [0x27,0x0d,0x7f,0xc8]
 467
 468   stxr   w1, x4, [x3]
 469   stxr   w1, w4, [x3]
 470   stxrb  w1, w4, [x3]
 471   stxrh  w1, w4, [x3]
 472   stxp   w1, x2, x6, [x7]
 473   stxp   w1, w2, w6, [x9]
 474
 475 ; CHECK: stxr   w1, x4, [x3]            ; encoding: [0x64,0x7c,0x01,0xc8]
 476 ; CHECK: stxr   w1, w4, [x3]            ; encoding: [0x64,0x7c,0x01,0x88]
 477 ; CHECK: stxrb  w1, w4, [x3]            ; encoding: [0x64,0x7c,0x01,0x08]
 478 ; CHECK: stxrh  w1, w4, [x3]            ; encoding: [0x64,0x7c,0x01,0x48]
 479 ; CHECK: stxp   w1, x2, x6, [x7]        ; encoding: [0xe2,0x18,0x21,0xc8]
 480 ; CHECK: stxp   w1, w2, w6, [x9]        ; encoding: [0x22,0x19,0x21,0x88]
 481
 482 ;-----------------------------------------------------------------------------
 483 ; Load-acquire/Store-release non-exclusive
 484 ;-----------------------------------------------------------------------------
 485
 486   ldar   w4, [sp]
 487   ldar   x4, [sp, #0]
 488   ldarb  w4, [sp]
 489   ldarh  w4, [sp]
 490
 491 ; CHECK: ldar   w4, [sp]                ; encoding: [0xe4,0xff,0xdf,0x88]
 492 ; CHECK: ldar   x4, [sp]                ; encoding: [0xe4,0xff,0xdf,0xc8]
 493 ; CHECK: ldarb  w4, [sp]                ; encoding: [0xe4,0xff,0xdf,0x08]
 494 ; CHECK: ldarh  w4, [sp]                ; encoding: [0xe4,0xff,0xdf,0x48]
 495
 496   stlr   w3, [x6]
 497   stlr   x3, [x6]
 498   stlrb  w3, [x6]
 499   stlrh  w3, [x6]
 500
 501 ; CHECK: stlr   w3, [x6]                ; encoding: [0xc3,0xfc,0x9f,0x88]
 502 ; CHECK: stlr   x3, [x6]                ; encoding: [0xc3,0xfc,0x9f,0xc8]
 503 ; CHECK: stlrb  w3, [x6]                ; encoding: [0xc3,0xfc,0x9f,0x08]
 504 ; CHECK: stlrh  w3, [x6]                ; encoding: [0xc3,0xfc,0x9f,0x48]
 505
 506 ;-----------------------------------------------------------------------------
 507 ; Load-acquire/Store-release exclusive
 508 ;-----------------------------------------------------------------------------
 509
 510   ldaxr   w2, [x4]
 511   ldaxr   x2, [x4]
 512   ldaxrb  w2, [x4, #0]
 513   ldaxrh  w2, [x4]
 514   ldaxp   w2, w6, [x1]
 515   ldaxp   x2, x6, [x1]
 516
 517 ; CHECK: ldaxr   w2, [x4]               ; encoding: [0x82,0xfc,0x5f,0x88]
 518 ; CHECK: ldaxr   x2, [x4]               ; encoding: [0x82,0xfc,0x5f,0xc8]
 519 ; CHECK: ldaxrb  w2, [x4]               ; encoding: [0x82,0xfc,0x5f,0x08]
 520 ; CHECK: ldaxrh  w2, [x4]               ; encoding: [0x82,0xfc,0x5f,0x48]
 521 ; CHECK: ldaxp   w2, w6, [x1]           ; encoding: [0x22,0x98,0x7f,0x88]
 522 ; CHECK: ldaxp   x2, x6, [x1]           ; encoding: [0x22,0x98,0x7f,0xc8]
 523
 524   stlxr   w8, x7, [x1]
 525   stlxr   w8, w7, [x1]
 526   stlxrb  w8, w7, [x1]
 527   stlxrh  w8, w7, [x1]
 528   stlxp   w1, x2, x6, [x7]
 529   stlxp   w1, w2, w6, [x9]
 530
 531 ; CHECK: stlxr  w8, x7, [x1]            ; encoding: [0x27,0xfc,0x08,0xc8]
 532 ; CHECK: stlxr  w8, w7, [x1]            ; encoding: [0x27,0xfc,0x08,0x88]
 533 ; CHECK: stlxrb w8, w7, [x1]            ; encoding: [0x27,0xfc,0x08,0x08]
 534 ; CHECK: stlxrh w8, w7, [x1]            ; encoding: [0x27,0xfc,0x08,0x48]
 535 ; CHECK: stlxp  w1, x2, x6, [x7]        ; encoding: [0xe2,0x98,0x21,0xc8]
 536 ; CHECK: stlxp  w1, w2, w6, [x9]        ; encoding: [0x22,0x99,0x21,0x88]
 537
 538
 539 ;-----------------------------------------------------------------------------
 540 ; LDUR/STUR aliases for negative and unaligned LDR/STR instructions.
 541 ;
 542 ; According to the ARM ISA documentation:
 543 ; "A programmer-friendly assembler should also generate these instructions
 544 ; in response to the standard LDR/STR mnemonics when the immediate offset is
 545 ; unambiguous, i.e. negative or unaligned."
 546 ;-----------------------------------------------------------------------------
 547
 548   ldr x11, [x29, #-8]
 549   ldr x11, [x29, #7]
 550   ldr w0, [x0, #2]
 551   ldr w0, [x0, #-256]
 552   ldr b2, [x1, #-2]
 553   ldr h3, [x2, #3]
 554   ldr h3, [x3, #-4]
 555   ldr s3, [x4, #3]
 556   ldr s3, [x5, #-4]
 557   ldr d4, [x6, #4]
 558   ldr d4, [x7, #-8]
 559   ldr q5, [x8, #8]
 560   ldr q5, [x9, #-16]
 561
 562 ; CHECK: ldur   x11, [x29, #-8]          ; encoding: [0xab,0x83,0x5f,0xf8]
 563 ; CHECK: ldur   x11, [x29, #7]           ; encoding: [0xab,0x73,0x40,0xf8]
 564 ; CHECK: ldur   w0, [x0, #2]            ; encoding: [0x00,0x20,0x40,0xb8]
 565 ; CHECK: ldur   w0, [x0, #-256]         ; encoding: [0x00,0x00,0x50,0xb8]
 566 ; CHECK: ldur   b2, [x1, #-2]           ; encoding: [0x22,0xe0,0x5f,0x3c]
 567 ; CHECK: ldur   h3, [x2, #3]            ; encoding: [0x43,0x30,0x40,0x7c]
 568 ; CHECK: ldur   h3, [x3, #-4]           ; encoding: [0x63,0xc0,0x5f,0x7c]
 569 ; CHECK: ldur   s3, [x4, #3]            ; encoding: [0x83,0x30,0x40,0xbc]
 570 ; CHECK: ldur   s3, [x5, #-4]           ; encoding: [0xa3,0xc0,0x5f,0xbc]
 571 ; CHECK: ldur   d4, [x6, #4]            ; encoding: [0xc4,0x40,0x40,0xfc]
 572 ; CHECK: ldur   d4, [x7, #-8]           ; encoding: [0xe4,0x80,0x5f,0xfc]
 573 ; CHECK: ldur   q5, [x8, #8]            ; encoding: [0x05,0x81,0xc0,0x3c]
 574 ; CHECK: ldur   q5, [x9, #-16]          ; encoding: [0x25,0x01,0xdf,0x3c]
 575
 576   str x11, [x29, #-8]
 577   str x11, [x29, #7]
 578   str w0, [x0, #2]
 579   str w0, [x0, #-256]
 580   str b2, [x1, #-2]
 581   str h3, [x2, #3]
 582   str h3, [x3, #-4]
 583   str s3, [x4, #3]
 584   str s3, [x5, #-4]
 585   str d4, [x6, #4]
 586   str d4, [x7, #-8]
 587   str q5, [x8, #8]
 588   str q5, [x9, #-16]
 589
 590 ; CHECK: stur   x11, [x29, #-8]          ; encoding: [0xab,0x83,0x1f,0xf8]
 591 ; CHECK: stur   x11, [x29, #7]           ; encoding: [0xab,0x73,0x00,0xf8]
 592 ; CHECK: stur   w0, [x0, #2]            ; encoding: [0x00,0x20,0x00,0xb8]
 593 ; CHECK: stur   w0, [x0, #-256]         ; encoding: [0x00,0x00,0x10,0xb8]
 594 ; CHECK: stur   b2, [x1, #-2]           ; encoding: [0x22,0xe0,0x1f,0x3c]
 595 ; CHECK: stur   h3, [x2, #3]            ; encoding: [0x43,0x30,0x00,0x7c]
 596 ; CHECK: stur   h3, [x3, #-4]           ; encoding: [0x63,0xc0,0x1f,0x7c]
 597 ; CHECK: stur   s3, [x4, #3]            ; encoding: [0x83,0x30,0x00,0xbc]
 598 ; CHECK: stur   s3, [x5, #-4]           ; encoding: [0xa3,0xc0,0x1f,0xbc]
 599 ; CHECK: stur   d4, [x6, #4]            ; encoding: [0xc4,0x40,0x00,0xfc]
 600 ; CHECK: stur   d4, [x7, #-8]           ; encoding: [0xe4,0x80,0x1f,0xfc]
 601 ; CHECK: stur   q5, [x8, #8]            ; encoding: [0x05,0x81,0x80,0x3c]
 602 ; CHECK: stur   q5, [x9, #-16]          ; encoding: [0x25,0x01,0x9f,0x3c]
 603
 604   ldrb w3, [x1, #-1]
 605   ldrh w4, [x2, #1]
 606   ldrh w5, [x3, #-1]
 607   ldrsb w6, [x4, #-1]
 608   ldrsb x7, [x5, #-1]
 609   ldrsh w8, [x6, #1]
 610   ldrsh w9, [x7, #-1]
 611   ldrsh x1, [x8, #1]
 612   ldrsh x2, [x9, #-1]
 613   ldrsw x3, [x10, #10]
 614   ldrsw x4, [x11, #-1]
 615
 616 ; CHECK: ldurb  w3, [x1, #-1]           ; encoding: [0x23,0xf0,0x5f,0x38]
 617 ; CHECK: ldurh  w4, [x2, #1]            ; encoding: [0x44,0x10,0x40,0x78]
 618 ; CHECK: ldurh  w5, [x3, #-1]           ; encoding: [0x65,0xf0,0x5f,0x78]
 619 ; CHECK: ldursb w6, [x4, #-1]           ; encoding: [0x86,0xf0,0xdf,0x38]
 620 ; CHECK: ldursb x7, [x5, #-1]           ; encoding: [0xa7,0xf0,0x9f,0x38]
 621 ; CHECK: ldursh w8, [x6, #1]            ; encoding: [0xc8,0x10,0xc0,0x78]
 622 ; CHECK: ldursh w9, [x7, #-1]           ; encoding: [0xe9,0xf0,0xdf,0x78]
 623 ; CHECK: ldursh x1, [x8, #1]            ; encoding: [0x01,0x11,0x80,0x78]
 624 ; CHECK: ldursh x2, [x9, #-1]           ; encoding: [0x22,0xf1,0x9f,0x78]
 625 ; CHECK: ldursw x3, [x10, #10]          ; encoding: [0x43,0xa1,0x80,0xb8]
 626 ; CHECK: ldursw x4, [x11, #-1]          ; encoding: [0x64,0xf1,0x9f,0xb8]
 627
 628   strb w3, [x1, #-1]
 629   strh w4, [x2, #1]
 630   strh w5, [x3, #-1]
 631
 632 ; CHECK: sturb  w3, [x1, #-1]           ; encoding: [0x23,0xf0,0x1f,0x38]
 633 ; CHECK: sturh  w4, [x2, #1]            ; encoding: [0x44,0x10,0x00,0x78]
 634 ; CHECK: sturh  w5, [x3, #-1]           ; encoding: [0x65,0xf0,0x1f,0x78]