1 /* PR target/78057 */
2 /* { dg-do compile } */
3 /* { dg-options "-O2 -mbmi -mlzcnt -fdump-tree-optimized" } */
4 
5 extern void link_error (void);
6 
7 int
foo(int x)8 foo (int x)
9 {
10   if (__builtin_ia32_tzcnt_u16 (16) != 4
11       || __builtin_ia32_tzcnt_u16 (0) != 16
12       || __builtin_ia32_lzcnt_u16 (0x1ff) != 7
13       || __builtin_ia32_lzcnt_u16 (0) != 16
14       || __builtin_ia32_tzcnt_u32 (8) != 3
15       || __builtin_ia32_tzcnt_u32 (0) != 32
16       || __builtin_ia32_lzcnt_u32 (0x3fffffff) != 2
17       || __builtin_ia32_lzcnt_u32 (0) != 32
18 #ifdef __x86_64__
19       || __builtin_ia32_tzcnt_u64 (4) != 2
20       || __builtin_ia32_tzcnt_u64 (0) != 64
21       || __builtin_ia32_lzcnt_u64 (0x1fffffff) != 35
22       || __builtin_ia32_lzcnt_u64 (0) != 64
23 #endif
24      )
25     link_error ();
26   x += 2;
27   if (x == 0)
28     return 5;
29   return __builtin_ia32_tzcnt_u32 (x)
30          + __builtin_ia32_lzcnt_u32 (x)
31 #ifdef __x86_64__
32 	 + __builtin_ia32_tzcnt_u64 (x)
33 	 + __builtin_ia32_lzcnt_u64 (x)
34 #endif
35 	 ;
36 }
37 
38 /* { dg-final { scan-tree-dump-not "link_error" "optimized" } } */
39 /* { dg-final { scan-tree-dump-not "__builtin_ia32_\[lt]zcnt" "optimized" } } */
40 /* { dg-final { scan-tree-dump-times "__builtin_ctz " 1 "optimized" } } */
41 /* { dg-final { scan-tree-dump-times "__builtin_clz " 1 "optimized" } } */
42 /* { dg-final { scan-tree-dump-times "__builtin_ctzll " 1 "optimized" { target lp64 } } } */
43