1  /* { dg-options "-mthumb -O2" }  */
       2  /* { dg-require-effective-target arm_thumb1_ok } */
       3  /* { dg-final { scan-assembler-not "add\[\\t \]*r.,\[\\t \]*r.,\[\\t \]*\#1" } } */
       4  /* { dg-final { scan-assembler-not "add\[\\t \]*r.,\[\\t \]*\#1" } } */
       5  
       6  #include <string.h>
       7  
       8  int foo (char *x)
       9  {
      10    memset (x, 0, 6);
      11  }