gcc/testsuite/gcc.target/sh/strlen.c

   1 /* Check that the __builtin_strlen function is inlined with cmp/str
   2    when optimizing for speed.  */
   3 /* { dg-do compile }  */
   4 /* { dg-options "-O2" } */
   5 /* { dg-final { scan-assembler-not "jmp" } } */
   6 /* { dg-final { scan-assembler-times "cmp/str" 2 } } */
   7 /* { dg-final { scan-assembler-times "tst\t#3" 1 } } */
   8
   9 int
  10 test00 (const char *s1)
  11 {
  12   return __builtin_strlen (s1);
  13 }
  14
  15 /* Check that no test for alignment is needed.  */
  16 int
  17 test03 (const char *s1)
  18 {
  19   return __builtin_strlen (__builtin_assume_aligned (s1, 4));
  20 }