sim/testsuite/aarch64/cnt.s

   1 # mach: aarch64
   2
   3 # Check the popcount instruction: cnt.
   4
   5 .include "testutils.inc"
   6
   7         .data
   8         .align 4
   9 input:
  10         .word 0x04030201
  11         .word 0x0f070605
  12         .word 0x44332211
  13         .word 0xff776655
  14
  15         start
  16         adrp x0, input
  17         ldr q0, [x0, #:lo12:input]
  18
  19         cnt v1.8b, v0.8b
  20         addv b2, v1.8b
  21         mov x1, v2.d[0]
  22         cmp x1, #16
  23         bne .Lfailure
  24
  25         cnt v1.16b, v0.16b
  26         addv b2, v1.16b
  27         mov x1, v2.d[0]
  28         cmp x1, #48
  29         bne .Lfailure
  30
  31         pass
  32 .Lfailure:
  33         fail