test/MC/AArch64/neon-sxtl.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 // Signed integer lengthen (vector)
   7 //------------------------------------------------------------------------------
   8         sxtl v0.8h, v1.8b
   9         sxtl v0.4s, v1.4h
  10         sxtl v0.2d, v1.2s
  11
  12 // CHECK: sshll v0.8h, v1.8b, #0        // encoding: [0x20,0xa4,0x08,0x0f]
  13 // CHECK: sshll v0.4s, v1.4h, #0        // encoding: [0x20,0xa4,0x10,0x0f]
  14 // CHECK: sshll v0.2d, v1.2s, #0        // encoding: [0x20,0xa4,0x20,0x0f]
  15
  16 //------------------------------------------------------------------------------
  17 // Signed integer lengthen (vector, second part)
  18 //------------------------------------------------------------------------------
  19
  20         sxtl2 v0.8h, v1.16b
  21         sxtl2 v0.4s, v1.8h
  22         sxtl2 v0.2d, v1.4s
  23
  24 // CHECK: sshll2 v0.8h, v1.16b, #0        // encoding: [0x20,0xa4,0x08,0x4f]
  25 // CHECK: sshll2 v0.4s, v1.8h, #0        // encoding: [0x20,0xa4,0x10,0x4f]
  26 // CHECK: sshll2 v0.2d, v1.4s, #0        // encoding: [0x20,0xa4,0x20,0x4f]