/* { dg-do run } */ /* { dg-options "-O2 -fdump-rtl-expand" } */ typedef struct { char s[8]; int x; } S; __attribute__ ((noinline)) int f1 (S * s) { int result = 0; result += __builtin_strncmp (s->s, "ab", 2); result += __builtin_strncmp (s->s, "abc", 3); return result; } __attribute__ ((noinline)) int f2 (char *p) { int result = 0; result += __builtin_strncmp (p, "ab", 2); result += __builtin_strncmp (p, "abc", 3); return result; } __attribute__ ((noinline)) int f3 (S * s) { int result = 0; result += __builtin_strcmp (s->s, "a"); result += __builtin_strcmp (s->s, "ab"); return result; } __attribute__ ((noinline)) int f4 (char *p) { int result = 0; result += __builtin_strcmp (p, "a"); result += __builtin_strcmp (p, "ab"); return result; } __attribute__ ((noinline)) int f5 (S * s) { int result = 0; result += __builtin_memcmp (s->s, "ab", 2); result += __builtin_memcmp (s->s, "abc", 3); return result; } __attribute__ ((noinline)) int f6 (char *p) { int result = 0; result += __builtin_memcmp (p, "ab", 2); result += __builtin_memcmp (p, "abc", 3); return result; } int main (void) { S ss = {{'a','b','c'}, 2}; char *s = "abcd"; if (f1 (&ss) != 0 || f2 (s) != 0) __builtin_abort (); if (f3 (&ss) <= 0 || f4 (s) <= 0) __builtin_abort (); if (f5 (&ss) != 0 || f6 (s) != 0) __builtin_abort (); return 0; } /* { dg-final { scan-rtl-dump-times "__builtin_strcmp" 0 "expand" } } */ /* { dg-final { scan-rtl-dump-times "__builtin_strncmp" 0 "expand" } } */ /* { dg-final { scan-rtl-dump-times "__builtin_memcmp" 0 "expand" } } */