llvm/test/MC/AArch64/brbe.s

   1 // RUN: not llvm-mc -triple aarch64 -mattr +brbe -show-encoding %s 2>%t | FileCheck %s
   2 // RUN: FileCheck --check-prefix=ERROR %s < %t
   3 // RUN: not llvm-mc -triple aarch64 -show-encoding %s 2>%t
   4 // RUN: FileCheck --check-prefix=ERROR-NO-BRBE %s < %t
   5
   6 msr BRBCR_EL1, x0
   7 mrs x1, BRBCR_EL1
   8 // CHECK: msr     BRBCR_EL1, x0           // encoding: [0x00,0x90,0x11,0xd5]
   9 // CHECK: mrs     x1, BRBCR_EL1           // encoding: [0x01,0x90,0x31,0xd5]
  10 // ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
  11 // ERROR-NO-BRBE: [[@LINE-4]]:9: error: expected readable system register
  12
  13 msr BRBCR_EL12, x2
  14 mrs x3, BRBCR_EL12
  15 // CHECK: msr     BRBCR_EL12, x2          // encoding: [0x02,0x90,0x15,0xd5]
  16 // CHECK: mrs     x3, BRBCR_EL12          // encoding: [0x03,0x90,0x35,0xd5]
  17 // ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
  18 // ERROR-NO-BRBE: [[@LINE-4]]:9: error: expected readable system register
  19
  20 msr BRBCR_EL2, x4
  21 mrs x5, BRBCR_EL2
  22 // CHECK: msr     BRBCR_EL2, x4           // encoding: [0x04,0x90,0x14,0xd5]
  23 // CHECK: mrs     x5, BRBCR_EL2           // encoding: [0x05,0x90,0x34,0xd5]
  24 // ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
  25 // ERROR-NO-BRBE: [[@LINE-4]]:9: error: expected readable system register
  26
  27 msr BRBFCR_EL1, x6
  28 mrs x7, BRBFCR_EL1
  29 // CHECK: msr     BRBFCR_EL1, x6          // encoding: [0x26,0x90,0x11,0xd5]
  30 // CHECK: mrs     x7, BRBFCR_EL1          // encoding: [0x27,0x90,0x31,0xd5]
  31 // ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
  32 // ERROR-NO-BRBE: [[@LINE-4]]:9: error: expected readable system register
  33
  34 msr BRBIDR0_EL1, x8
  35 mrs x9, BRBIDR0_EL1
  36 // ERROR: [[@LINE-2]]:5: error: expected writable system register
  37 // CHECK: mrs     x9, BRBIDR0_EL1         // encoding: [0x09,0x92,0x31,0xd5]
  38 // ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
  39 // ERROR-NO-BRBE: [[@LINE-4]]:9: error: expected readable system register
  40
  41 msr BRBINFINJ_EL1, x10
  42 mrs x11, BRBINFINJ_EL1
  43 // CHECK: msr     BRBINFINJ_EL1, x10      // encoding: [0x0a,0x91,0x11,0xd5]
  44 // CHECK: mrs     x11, BRBINFINJ_EL1      // encoding: [0x0b,0x91,0x31,0xd5]
  45 // ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
  46 // ERROR-NO-BRBE: [[@LINE-4]]:10: error: expected readable system register
  47
  48 msr BRBSRCINJ_EL1, x12
  49 mrs x13, BRBSRCINJ_EL1
  50 // CHECK: msr     BRBSRCINJ_EL1, x12      // encoding: [0x2c,0x91,0x11,0xd5]
  51 // CHECK: mrs     x13, BRBSRCINJ_EL1      // encoding: [0x2d,0x91,0x31,0xd5]
  52 // ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
  53 // ERROR-NO-BRBE: [[@LINE-4]]:10: error: expected readable system register
  54
  55 msr BRBTGTINJ_EL1, x14
  56 mrs x15, BRBTGTINJ_EL1
  57 // CHECK: msr     BRBTGTINJ_EL1, x14      // encoding: [0x4e,0x91,0x11,0xd5]
  58 // CHECK: mrs     x15, BRBTGTINJ_EL1      // encoding: [0x4f,0x91,0x31,0xd5]
  59 // ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
  60 // ERROR-NO-BRBE: [[@LINE-4]]:10: error: expected readable system register
  61
  62 msr BRBTS_EL1, x16
  63 mrs x17, BRBTS_EL1
  64 // CHECK: msr     BRBTS_EL1, x16          // encoding: [0x50,0x90,0x11,0xd5]
  65 // CHECK: mrs     x17, BRBTS_EL1          // encoding: [0x51,0x90,0x31,0xd5]
  66 // ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
  67 // ERROR-NO-BRBE: [[@LINE-4]]:10: error: expected readable system register
  68
  69 // Rather than testing all 32 registers in the three BRBINF/BRBSRC/BRBTGT
  70 // families, I'll test a representative sample, including all bits clear,
  71 // all bits set, each bit set individually, and a couple of intermediate
  72 // patterns.
  73
  74 msr BRBINF0_EL1, x18
  75 mrs x19, BRBINF0_EL1
  76 // ERROR: [[@LINE-2]]:5: error: expected writable system register
  77 // CHECK: mrs     x19, BRBINF0_EL1        // encoding: [0x13,0x80,0x31,0xd5]
  78 // ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
  79 // ERROR-NO-BRBE: [[@LINE-4]]:10: error: expected readable system register
  80
  81 msr BRBINF1_EL1, x20
  82 mrs x21, BRBINF1_EL1
  83 // ERROR: [[@LINE-2]]:5: error: expected writable system register
  84 // CHECK: mrs     x21, BRBINF1_EL1        // encoding: [0x15,0x81,0x31,0xd5]
  85 // ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
  86 // ERROR-NO-BRBE: [[@LINE-4]]:10: error: expected readable system register
  87
  88 msr BRBINF2_EL1, x22
  89 mrs x23, BRBINF2_EL1
  90 // ERROR: [[@LINE-2]]:5: error: expected writable system register
  91 // CHECK: mrs     x23, BRBINF2_EL1        // encoding: [0x17,0x82,0x31,0xd5]
  92 // ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
  93 // ERROR-NO-BRBE: [[@LINE-4]]:10: error: expected readable system register
  94
  95 msr BRBSRC4_EL1, x24
  96 mrs x25, BRBSRC4_EL1
  97 // ERROR: [[@LINE-2]]:5: error: expected writable system register
  98 // CHECK: mrs     x25, BRBSRC4_EL1        // encoding: [0x39,0x84,0x31,0xd5]
  99 // ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
 100 // ERROR-NO-BRBE: [[@LINE-4]]:10: error: expected readable system register
 101
 102 msr BRBSRC8_EL1, x26
 103 mrs x27, BRBSRC8_EL1
 104 // ERROR: [[@LINE-2]]:5: error: expected writable system register
 105 // CHECK: mrs     x27, BRBSRC8_EL1        // encoding: [0x3b,0x88,0x31,0xd5]
 106 // ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
 107 // ERROR-NO-BRBE: [[@LINE-4]]:10: error: expected readable system register
 108
 109 msr BRBSRC16_EL1, x28
 110 mrs x29, BRBSRC16_EL1
 111 // ERROR: [[@LINE-2]]:5: error: expected writable system register
 112 // CHECK: mrs     x29, BRBSRC16_EL1       // encoding: [0xbd,0x80,0x31,0xd5]
 113 // ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
 114 // ERROR-NO-BRBE: [[@LINE-4]]:10: error: expected readable system register
 115
 116 msr BRBTGT10_EL1, x0
 117 mrs x1, BRBTGT10_EL1
 118 // ERROR: [[@LINE-2]]:5: error: expected writable system register
 119 // CHECK: mrs     x1, BRBTGT10_EL1        // encoding: [0x41,0x8a,0x31,0xd5]
 120 // ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
 121 // ERROR-NO-BRBE: [[@LINE-4]]:9: error: expected readable system register
 122
 123 msr BRBTGT21_EL1, x2
 124 mrs x3, BRBTGT21_EL1
 125 // ERROR: [[@LINE-2]]:5: error: expected writable system register
 126 // CHECK: mrs     x3, BRBTGT21_EL1        // encoding: [0xc3,0x85,0x31,0xd5]
 127 // ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
 128 // ERROR-NO-BRBE: [[@LINE-4]]:9: error: expected readable system register
 129
 130 msr BRBTGT31_EL1, x4
 131 mrs x5, BRBTGT31_EL1
 132 // ERROR: [[@LINE-2]]:5: error: expected writable system register
 133 // CHECK: mrs     x5, BRBTGT31_EL1        // encoding: [0xc5,0x8f,0x31,0xd5]
 134 // ERROR-NO-BRBE: [[@LINE-4]]:5: error: expected writable system register
 135 // ERROR-NO-BRBE: [[@LINE-4]]:9: error: expected readable system register
 136
 137 brb iall
 138 brb inj
 139 // CHECK: brb iall  // encoding: [0x9f,0x72,0x09,0xd5]
 140 // CHECK: brb inj   // encoding: [0xbf,0x72,0x09,0xd5]
 141 // ERROR-NO-BRBE: [[@LINE-4]]:1: error: instruction requires: brbe
 142 // ERROR-NO-BRBE: [[@LINE-4]]:1: error: instruction requires: brbe
 143
 144 brb IALL
 145 brb INJ
 146 // CHECK: brb iall  // encoding: [0x9f,0x72,0x09,0xd5]
 147 // CHECK: brb inj   // encoding: [0xbf,0x72,0x09,0xd5]
 148 // ERROR-NO-BRBE: [[@LINE-4]]:1: error: instruction requires: brbe
 149 // ERROR-NO-BRBE: [[@LINE-4]]:1: error: instruction requires: brbe