diff options
Diffstat (limited to 'core')
| -rw-r--r-- | core/cortex-m0/config_core.h | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/core/cortex-m0/config_core.h b/core/cortex-m0/config_core.h index c31adc471c..a40756fb49 100644 --- a/core/cortex-m0/config_core.h +++ b/core/cortex-m0/config_core.h @@ -10,9 +10,14 @@ #define BFD_ARCH arm #define BFD_FORMAT "elf32-littlearm" -/* Emulate the CLZ/CTZ instructions since the CPU core is lacking support */ +/* + * Emulate the CLZ/CTZ instructions since the CPU core is lacking support. + * When building with clang, we rely on compiler_rt to provide this support. + */ +#ifndef __clang__ #define CONFIG_SOFTWARE_CLZ #define CONFIG_SOFTWARE_CTZ +#endif /* __clang__ */ #define CONFIG_SOFTWARE_PANIC #define CONFIG_ASSEMBLY_MULA32 |