gcc/testsuite/gcc.target/powerpc/pr60158.c

   1 /* { dg-do compile } */
   2 /* { dg-skip-if "not an SPE target" { ! powerpc_spe_nocache } } */
   3 /* { dg-options "-mcpu=8548 -mno-spe -mfloat-gprs=double -Os -fdata-sections -fpic -mrelocatable" } */
   4
   5 #define NULL 0
   6 int func (int val);
   7 void *func2 (void *ptr);
   8
   9 static const char *ifs;
  10 static char map[256];
  11
  12 typedef struct {
  13 /* None of these fields are used, but removing any
  14    of them makes the problem go away.  */
  15   char *data;
  16   int length;
  17   int maxlen;
  18   int quote;
  19 } o_string;
  20
  21 #define NULL_O_STRING {NULL,0,0,0}
  22
  23 static int parse_stream (void *dest, void *ctx)
  24 {
  25   int ch = func (0), m;
  26
  27   while (ch != -1) {
  28     m = map[ch];
  29     if (ch != '\n')
  30     func2(dest);
  31
  32     ctx = func2 (ctx);
  33     if (!func (0))
  34       return 0;
  35     if (m != ch) {
  36       func2 ("htns");
  37       break;
  38     }
  39   }
  40   return -1;
  41 }
  42
  43 static void mapset (const char *set, int code)
  44 {
  45   const char *s;
  46   for (s=set; *s; s++)  map[(int)*s] = code;
  47 }
  48
  49 static void update_ifs_map(void)
  50 {
  51   /* char *ifs and char map[256] are both globals.  */
  52   ifs = func2 ("abc");
  53   if (ifs == NULL) ifs="def";
  54
  55   func2 (map);
  56   {
  57     char subst[2] = {4, 0};
  58     mapset (subst, 3);
  59   }
  60   mapset (";&|#", 1);
  61 }
  62
  63 int parse_stream_outer (int flag)
  64 {
  65   int blah;
  66   o_string temp=NULL_O_STRING;
  67   int rcode;
  68
  69   do {
  70     update_ifs_map ();
  71     func2 (&blah); /* a memory clobber works as well.  */
  72     rcode = parse_stream (&temp, NULL);
  73     func2 ("aoeu");
  74     if (func (0) != 0) {
  75       func2 (NULL);
  76     }
  77   } while (rcode != -1);
  78   return 0;
  79 }
  80
  81 /* { dg-final { if ![file exists pr60158.s] { fail "pr60158.c (compile)"; return; } } } */
  82
  83 /* { dg-final { set c_rel [llength [grep pr60158.s \\.data\\.rel\\.ro\\.local]] } } */
  84 /* { dg-final { set c_fix [llength [grep pr60158.s \\.fixup]] } } */
  85 /* { dg-final { if [string match $c_rel $c_fix] \{      } } */
  86 /* { dg-final {     pass "pr60158.c (passed)"   } } */
  87 /* { dg-final { \} else \{      } } */
  88 /* { dg-final {     fail "pr60158.c (.fixup table entries not generated for .data.rel.ro.local section)"        } } */
  89 /* { dg-final { \}      } } */