1 /* { dg-do compile } */
2 /* { dg-options "-O2 -fno-if-conversion" } */
6 bool my_uadd_overflow (unsigned short a
, unsigned short b
, unsigned short *res
)
8 return __builtin_add_overflow (a
, b
, res
);
11 bool my_usub_overflow (unsigned short a
, unsigned short b
, unsigned short *res
)
13 return __builtin_sub_overflow (a
, b
, res
);
16 bool my_uneg_overflow (unsigned short a
, unsigned short *res
)
18 return __builtin_sub_overflow (0, a
, res
);
21 bool my_add_overflow (short a
, short b
, short *res
)
23 return __builtin_add_overflow (a
, b
, res
);
26 bool my_sub_overflow (short a
, short b
, short *res
)
28 return __builtin_sub_overflow (a
, b
, res
);
31 bool my_neg_overflow (short a
, short *res
)
33 return __builtin_sub_overflow (0, a
, res
);
36 /* { dg-final { scan-assembler-times "add.w" 2 } } */
37 /* { dg-final { scan-assembler-times "sub.w" 4 } } */
38 /* { dg-final { scan-assembler-not "cmp.w" } } */
39 /* { dg-final { scan-assembler-not "mov.w" } } */