gcc/testsuite/gcc.target/aarch64/extr.c

   1 /* { dg-options "-O2 --save-temps" } */
   2 /* { dg-do run } */
   3
   4 extern void abort (void);
   5
   6 int
   7 test_si (int a, int b)
   8 {
   9   /* { dg-final { scan-assembler "extr\tw\[0-9\]+, w\[0-9\]+, w\[0-9\]+, 27\n" } } */
  10   return (a << 5) | ((unsigned int) b >> 27);
  11 }
  12
  13 long long
  14 test_di (long long a, long long b)
  15 {
  16   /* { dg-final { scan-assembler "extr\tx\[0-9\]+, x\[0-9\]+, x\[0-9\]+, 45\n" } } */
  17   return (a << 19) | ((unsigned long long) b >> 45);
  18 }
  19
  20 int
  21 main ()
  22 {
  23   int v;
  24   long long w;
  25   v = test_si (0x00000004, 0x30000000);
  26   if (v != 0x00000086)
  27     abort();
  28   w = test_di (0x0001040040040004ll, 0x0070050066666666ll);
  29   if (w != 0x2002002000200380ll)
  30     abort();
  31   return 0;
  32 }
  33