test/MC/AArch64/neon-shift.s

   1 // RUN: llvm-mc -triple aarch64-none-linux-gnu -mattr=+neon -show-encoding < %s | FileCheck %s
   2
   3 // Check that the assembler can handle the documented syntax for AArch64
   4
   5
   6 //------------------------------------------------------------------------------
   7 // Vector Integer Shift Lef (Signed)
   8 //------------------------------------------------------------------------------
   9          sshl v0.8b, v1.8b, v2.8b
  10          sshl v0.16b, v1.16b, v2.16b
  11          sshl v0.4h, v1.4h, v2.4h
  12          sshl v0.8h, v1.8h, v2.8h
  13          sshl v0.2s, v1.2s, v2.2s
  14          sshl v0.4s, v1.4s, v2.4s
  15          sshl v0.2d, v1.2d, v2.2d
  16
  17 // CHECK: sshl v0.8b, v1.8b, v2.8b        // encoding: [0x20,0x44,0x22,0x0e]
  18 // CHECK: sshl v0.16b, v1.16b, v2.16b     // encoding: [0x20,0x44,0x22,0x4e]
  19 // CHECK: sshl v0.4h, v1.4h, v2.4h        // encoding: [0x20,0x44,0x62,0x0e]
  20 // CHECK: sshl v0.8h, v1.8h, v2.8h        // encoding: [0x20,0x44,0x62,0x4e]
  21 // CHECK: sshl v0.2s, v1.2s, v2.2s        // encoding: [0x20,0x44,0xa2,0x0e]
  22 // CHECK: sshl v0.4s, v1.4s, v2.4s        // encoding: [0x20,0x44,0xa2,0x4e]
  23 // CHECK: sshl v0.2d, v1.2d, v2.2d        // encoding: [0x20,0x44,0xe2,0x4e]
  24
  25 //------------------------------------------------------------------------------
  26 // Vector Integer Shift Lef (Unsigned)
  27 //------------------------------------------------------------------------------
  28          ushl v0.8b, v1.8b, v2.8b
  29          ushl v0.16b, v1.16b, v2.16b
  30          ushl v0.4h, v1.4h, v2.4h
  31          ushl v0.8h, v1.8h, v2.8h
  32          ushl v0.2s, v1.2s, v2.2s
  33          ushl v0.4s, v1.4s, v2.4s
  34          ushl v0.2d, v1.2d, v2.2d
  35
  36 // CHECK: ushl v0.8b, v1.8b, v2.8b        // encoding: [0x20,0x44,0x22,0x2e]
  37 // CHECK: ushl v0.16b, v1.16b, v2.16b     // encoding: [0x20,0x44,0x22,0x6e]
  38 // CHECK: ushl v0.4h, v1.4h, v2.4h        // encoding: [0x20,0x44,0x62,0x2e]
  39 // CHECK: ushl v0.8h, v1.8h, v2.8h        // encoding: [0x20,0x44,0x62,0x6e]
  40 // CHECK: ushl v0.2s, v1.2s, v2.2s        // encoding: [0x20,0x44,0xa2,0x2e]
  41 // CHECK: ushl v0.4s, v1.4s, v2.4s        // encoding: [0x20,0x44,0xa2,0x6e]
  42 // CHECK: ushl v0.2d, v1.2d, v2.2d        // encoding: [0x20,0x44,0xe2,0x6e]
  43
  44 //------------------------------------------------------------------------------
  45 // Vector Integer Shift Left by Immediate
  46 //------------------------------------------------------------------------------
  47          shl v0.8b, v1.8b, #3
  48          shl v0.4h, v1.4h, #3
  49          shl v0.2s, v1.2s, #3
  50          shl v0.16b, v1.16b, #3
  51          shl v0.8h, v1.8h, #3
  52          shl v0.4s, v1.4s, #3
  53          shl v0.2d, v1.2d, #3
  54
  55 // CHECK: shl v0.8b, v1.8b, #3        // encoding: [0x20,0x54,0x0b,0x0f]
  56 // CHECK: shl v0.4h, v1.4h, #3        // encoding: [0x20,0x54,0x13,0x0f]
  57 // CHECK: shl v0.2s, v1.2s, #3        // encoding: [0x20,0x54,0x23,0x0f]
  58 // CHECK: shl v0.16b, v1.16b, #3      // encoding: [0x20,0x54,0x0b,0x4f]
  59 // CHECK: shl v0.8h, v1.8h, #3        // encoding: [0x20,0x54,0x13,0x4f]
  60 // CHECK: shl v0.4s, v1.4s, #3        // encoding: [0x20,0x54,0x23,0x4f]
  61 // CHECK: shl v0.2d, v1.2d, #3        // encoding: [0x20,0x54,0x43,0x4f]