gcc/testsuite/gcc.target/i386/pr80262.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3
   4 typedef struct {
   5   int v;
   6 } S1;
   7 S1 clearS1 () { S1 s1 = { 0 }; return s1; }
   8
   9 typedef struct {
  10   S1 s1[4];
  11 } S2;
  12 void clearS2 (__seg_gs S2* p, int n) {
  13   for (int i = 0; i < n; ++i)
  14     p->s1[i] = clearS1 ();
  15 }
  16
  17 typedef struct {
  18   int pad;
  19   S2 s2;
  20 } S3;
  21
  22 long int BASE;
  23
  24 void fn1(int n) {
  25   clearS2 (&(((__seg_gs S3*)(BASE))->s2), n);
  26 }