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toolchain: xcc: Builtin overflow functions return boolean

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The builtin_*_overflow functions when available return a
boolean. Change internal definitions to return same type.

Signed-off-by: Flavio Ceolin <flavio.ceolin@intel.com>
This commit is contained in:
Flavio Ceolin 2018-11-21 16:12:49 -08:00 committed by Anas Nashif
parent ca1641e319
commit b45a287b02
1 changed files with 10 additions and 5 deletions
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15
include/toolchain/xcc.h
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@ -8,6 +8,7 @@
#define ZEPHYR_INCLUDE_TOOLCHAIN_XCC_H_
#include <toolchain/gcc.h>
#include <stdbool.h>
/* XCC doesn't support __COUNTER__ but this should be good enough */
#define __COUNTER__ __LINE__
@ -36,15 +37,19 @@
#endif /* __GCC_LINKER_CMD__ */
#define __builtin_unreachable() do { __ASSERT(0, "Unreachable code"); } \
#define __builtin_unreachable() do { __ASSERT(false, "Unreachable code"); } \
while (true)
/* TODO: XCC doesn't define the below macros which are useful for checking
* overflows. This needs to be fixed.
*/
#define __builtin_add_overflow(a, b, output) ({ *output = (a) + (b); 0; })
#define __builtin_mul_overflow(a, b, output) ({ *output = (a) * (b); 0; })
#define __builtin_umul_overflow(a, b, output) ({ *output = (a) * (b); 0; })
#define __builtin_umulll_overflow(a, b, output) ({ *output = (a) * (b); 0; })
#define __builtin_add_overflow(a, b, output) \
({ *output = (a) + (b); false; })
#define __builtin_mul_overflow(a, b, output) \
({ *output = (a) * (b); false; })
#define __builtin_umul_overflow(a, b, output) \
({ *output = (a) * (b); false; })
#define __builtin_umulll_overflow(a, b, output) \
({ *output = (a) * (b); false; })
#endif