diff options
Diffstat (limited to 'sysdeps/riscv')
| -rw-r--r-- | sysdeps/riscv/math-use-builtins-ffs.h | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sysdeps/riscv/math-use-builtins-ffs.h b/sysdeps/riscv/math-use-builtins-ffs.h new file mode 100644 index 0000000..97d13e9 --- /dev/null +++ b/sysdeps/riscv/math-use-builtins-ffs.h @@ -0,0 +1,10 @@ +#if __GNUC_PREREQ (12, 0) && defined __riscv_zbb +# define USE_FFS_BUILTIN 1 +# define USE_FFSLL_BUILTIN 1 +#elif __GNUC_PREREQ (13, 0) && defined __riscv_xtheadbb +# define USE_FFS_BUILTIN 0 +# define USE_FFSLL_BUILTIN 1 +#else +# define USE_FFS_BUILTIN 0 +# define USE_FFSLL_BUILTIN 0 +#endif |