gcc/testsuite/gcc.target/arm/pr45701-2.c

   1 /* { dg-do compile } */
   2 /* { dg-skip-if "" { ! { arm_thumb1_ok || arm_thumb2_ok } } } */
   3 /* { dg-options "-mthumb -Os" }  */
   4 /* { dg-final { scan-assembler "push\t\{r3" } } */
   5 /* { dg-final { scan-assembler-not "r8" } } */
   6
   7 extern int hist_verify;
   8 extern int a1;
   9 extern char *pre_process_line (char*);
  10 extern char* savestring1 (char*, char*);
  11 extern char* str_cpy (char*, char*);
  12 extern int str_len (char*);
  13 extern char* x_malloc (int);
  14 #define savestring(x) (char *)str_cpy (x_malloc (1 + str_len (x)), (x))
  15
  16 char *
  17 history_expand_line_internal (char* line)
  18 {
  19   char *new_line;
  20   int old_verify;
  21   int a = a1;
  22   old_verify = hist_verify;
  23   hist_verify = 0;
  24   new_line = pre_process_line (line);
  25   hist_verify = old_verify + a;
  26   /* Two tail calls here, but r3 is not used to pass values.  */
  27   return (new_line == line) ? savestring (line) : savestring1 (new_line, line);
  28 }