gcc/testsuite/gcc.target/i386/pr34077.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O1 -minline-all-stringops -minline-stringops-dynamically" } */
   3
   4 #include <string.h>
   5
   6 extern double ran(void);
   7
   8 struct spec_fd_t {
   9   int limit;
  10   int len;
  11   int pos;
  12   unsigned char *buf;
  13 } spec_fd[3];
  14
  15 int spec_random_load (int fd) {
  16   int i, j;
  17   char random_text[(32)][(128*1024)];
  18
  19   for (j = 0; j < (128*1024); j++) {
  20     random_text[i][j] = (int)(ran()*256);
  21   }
  22
  23   for (i = 0 ; i < spec_fd[fd].limit; i+= (128*1024)) {
  24     memcpy(spec_fd[fd].buf + i, random_text[(int)(ran()*(32))],
  25            (128*1024));
  26   }
  27
  28   spec_fd[fd].len = 1024*1024;
  29   return 0;
  30 }