diff options
| author | cremno <[email protected]> | 2016-05-09 14:58:06 +0200 |
|---|---|---|
| committer | cremno <[email protected]> | 2016-05-09 16:34:20 +0200 |
| commit | 39b6a9dafc942396167f905da8f4e7de3ac22229 (patch) | |
| tree | 29f59de3fa5937ebf0c6f429bf21e4b5773c4947 /include | |
| parent | b4e188981347de04e781aecbced141bee544688a (diff) | |
| download | mruby-39b6a9dafc942396167f905da8f4e7de3ac22229.tar.gz mruby-39b6a9dafc942396167f905da8f4e7de3ac22229.zip | |
define macros only if builtins are n/a
Diffstat (limited to 'include')
| -rw-r--r-- | include/mruby/numeric.h | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/include/mruby/numeric.h b/include/mruby/numeric.h index 6a7c172a6..cbfeea2b1 100644 --- a/include/mruby/numeric.h +++ b/include/mruby/numeric.h @@ -31,12 +31,6 @@ mrb_value mrb_fixnum_minus(mrb_state *mrb, mrb_value x, mrb_value y); mrb_value mrb_fixnum_mul(mrb_state *mrb, mrb_value x, mrb_value y); mrb_value mrb_num_div(mrb_state *mrb, mrb_value x, mrb_value y); -#define MRB_UINT_MAKE2(n) uint ## n ## _t -#define MRB_UINT_MAKE(n) MRB_UINT_MAKE2(n) -#define mrb_uint MRB_UINT_MAKE(MRB_INT_BIT) - -#define MRB_INT_OVERFLOW_MASK ((mrb_uint)1 << (MRB_INT_BIT - 1 - MRB_FIXNUM_SHIFT)) - /* Idea from Potion: https://github.com/perl11/potion (MIT) */ #if (defined(__clang__) && ((__clang_major__ > 3) || (__clang_major__ == 3 && __clang_minor__ >= 4))) \ || (defined(__GNUC__) && __GNUC__ >= 5) @@ -78,6 +72,12 @@ mrb_int_sub_overflow(mrb_int minuend, mrb_int subtrahend, mrb_int *difference) } #else +#define MRB_UINT_MAKE2(n) uint ## n ## _t +#define MRB_UINT_MAKE(n) MRB_UINT_MAKE2(n) +#define mrb_uint MRB_UINT_MAKE(MRB_INT_BIT) + +#define MRB_INT_OVERFLOW_MASK ((mrb_uint)1 << (MRB_INT_BIT - 1 - MRB_FIXNUM_SHIFT)) + static inline mrb_bool mrb_int_add_overflow(mrb_int augend, mrb_int addend, mrb_int *sum) { @@ -98,13 +98,13 @@ mrb_int_sub_overflow(mrb_int minuend, mrb_int subtrahend, mrb_int *difference) return !!(((x ^ z) & (~y ^ z)) & MRB_INT_OVERFLOW_MASK); } -#endif - #undef MRB_INT_OVERFLOW_MASK #undef mrb_uint #undef MRB_UINT_MAKE #undef MRB_UINT_MAKE2 +#endif + MRB_END_DECL #endif /* MRUBY_NUMERIC_H */ |