gcc/testsuite/gcc.dg/nested-calls-1.c

   1 /* PR middle-end/24003 */
   2 /* Contributed by Eric Botcazou <ebotcazou@adacore.com> */
   3
   4 /* { dg-do run } */
   5 /* { dg-options "-std=c99 -O -fno-inline" } */
   6 /* { dg-options "-std=c99 -O -fno-inline -mtune=i686" { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
   7
   8 #include <limits.h>
   9
  10 typedef unsigned long uns32_t;
  11 typedef unsigned long long uns64_t;
  12
  13 extern void abort(void);
  14
  15 uns32_t lo (uns64_t p)
  16 {
  17   return (uns32_t)p;
  18 }
  19
  20 uns64_t concat (uns32_t p1, uns32_t p2)
  21 {
  22 #if LLONG_MAX > 2147483647L
  23   return ((uns64_t)p1 << 32) | p2;
  24 #else
  25   return 0;
  26 #endif
  27 }
  28
  29 uns64_t lshift32 (uns64_t p1, uns32_t p2)
  30 {
  31   return concat (lo (p1), p2);
  32 }
  33
  34 int main(void)
  35 {
  36 #if LLONG_MAX > 2147483647L
  37   if (lshift32 (0xFFFFFFFF12345678ULL, 0x90ABCDEFUL) != 0x1234567890ABCDEFULL)
  38     abort ();
  39 #endif
  40
  41   return 0;
  42 }