gcc/testsuite/gcc.target/aarch64/eh_return.c

   1 /* { dg-do run } */
   2 /* { dg-options "-O2 -fno-inline" } */
   3
   4 #include <stdlib.h>
   5 #include <stdio.h>
   6
   7 int val, test, failed;
   8
   9 int main (void);
  10
  11 void
  12 eh0 (void *p)
  13 {
  14   val = (int)(long)p & 7;
  15   if (val)
  16     abort ();
  17 }
  18
  19 void
  20 eh1 (void *p, int x)
  21 {
  22   void *q = __builtin_alloca (x);
  23   eh0 (q);
  24   __builtin_eh_return (0, p);
  25 }
  26
  27 void
  28 eh2a (int a,int b,int c,int d,int e,int f,int g,int h, void *p)
  29 {
  30   val = a + b + c + d + e + f + g + h +  (int)(long)p & 7;
  31 }
  32
  33 void
  34 eh2 (void *p)
  35 {
  36   eh2a (val, val, val, val, val, val, val, val, p);
  37   __builtin_eh_return (0, p);
  38 }
  39
  40
  41 void
  42 continuation (void)
  43 {
  44   test++;
  45   main ();
  46 }
  47
  48 void
  49 fail (void)
  50 {
  51   failed = 1;
  52   printf ("failed\n");
  53   continuation ();
  54 }
  55
  56 void
  57 do_test1 (void)
  58 {
  59   if (!val)
  60     eh1 (continuation, 100);
  61   fail ();
  62 }
  63
  64 void
  65 do_test2 (void)
  66 {
  67   if (!val)
  68     eh2 (continuation);
  69   fail ();
  70 }
  71
  72 int
  73 main (void)
  74 {
  75   if (test == 0)
  76     do_test1 ();
  77   if (test == 1)
  78     do_test2 ();
  79   if (failed || test != 2)
  80     exit (1);
  81   exit (0);
  82 }