gcc/testsuite/gcc.target/powerpc/pr53199.c

   1 /* { dg-do compile { target { powerpc*-*-* } } } */
   2 /* { dg-skip-if "" { powerpc*-*-darwin* } } */
   3 /* { dg-options "-O2 -mdejagnu-cpu=power6 -mavoid-indexed-addresses" } */
   4 /* { dg-final { scan-assembler-times "lwbrx" 12 } } */
   5 /* { dg-final { scan-assembler-times "stwbrx" 6 } } */
   6
   7 /* PR 51399: bswap gets an error if -mavoid-indexed-addresses was used in
   8    creating the two lwbrx instructions.  */
   9
  10 long long
  11 load64_reverse_1 (long long *p)
  12 {
  13   return __builtin_bswap64 (*p);
  14 }
  15
  16 long long
  17 load64_reverse_2 (long long *p)
  18 {
  19   return __builtin_bswap64 (p[1]);
  20 }
  21
  22 long long
  23 load64_reverse_3 (long long *p, int i)
  24 {
  25   return __builtin_bswap64 (p[i]);
  26 }
  27
  28 long long
  29 load64_reverse_4 (long long dummy __attribute__ ((unused)), long long *p)
  30 {
  31   return __builtin_bswap64 (*p);
  32 }
  33
  34 long long
  35 load64_reverse_5 (long long dummy __attribute__ ((unused)), long long *p)
  36 {
  37   return __builtin_bswap64 (p[1]);
  38 }
  39
  40 long long
  41 load64_reverse_6 (long long dummy __attribute__ ((unused)), long long *p, int i)
  42 {
  43   return __builtin_bswap64 (p[i]);
  44 }
  45
  46 void
  47 store64_reverse_1 (long long *p, long long x)
  48 {
  49   *p = __builtin_bswap64 (x);
  50 }
  51
  52 void
  53 store64_reverse_2 (long long *p, long long x)
  54 {
  55   p[1] = __builtin_bswap64 (x);
  56 }
  57
  58 void
  59 store64_reverse_3 (long long *p, long long x, int i)
  60 {
  61   p[i] = __builtin_bswap64 (x);
  62 }
  63
  64 long long
  65 reg_reverse_1 (long long x)
  66 {
  67   return __builtin_bswap64 (x);
  68 }
  69
  70 long long
  71 reg_reverse_2 (long long dummy __attribute__ ((unused)), long long x)
  72 {
  73   return __builtin_bswap64 (x);
  74 }