gas/testsuite/gas/ia64/dv-mutex.s

   1 //
   2 // Test mutex relation handling
   3 //
   4 .text
   5 start:
   6 // user annotation
   7         .pred.rel.mutex p1, p2, p3
   8 (p1)    mov r4 = 2
   9 (p2)    mov r4 = 5
  10 (p3)    mov r4 = 7
  11         rfi
  12
  13 // non-predicated compares generate a mutex
  14         cmp.eq  p1, p2 = r1, r2;;
  15 (p1)    mov r4 = 2
  16 (p2)    mov r4 = 4
  17         rfi
  18
  19 // unconditional compares generate a mutex
  20 (p3)    cmp.eq.unc p1, p2 = r1, r2;;
  21 (p1)    mov r4 = 2
  22 (p2)    mov r4 = 4
  23         rfi
  24
  25 // non-predicated compares don't remove mutex
  26         cmp.eq p1, p2 = r1, r2;;
  27 (p1)    mov r4 = 2
  28 (p2)    mov r4 = 4
  29         rfi
  30
  31 // predicated compares don't remove mutex
  32 (p3)    cmp.eq p1, p2 = r1, r2;;
  33 (p1)    mov r4 = 2
  34 (p2)    mov r4 = 4
  35         rfi
  36 L: