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| author | Xi Ruoyao <xry111@xry111.site> | 2022-10-15 14:12:13 +0800 |
|---|---|---|
| committer | caiyinyu <caiyinyu@loongson.cn> | 2022-10-28 15:06:38 +0800 |
| commit | 4c6a78addabbd6e1b69763e286768919e56dfe0a (patch) | |
| tree | d3ea9b6cb4932575571f8c5c5ca097a117306d64 | |
| parent | a1dc0be03c9dd850b864bd7a9c03cf8e396eb7ca (diff) | |
| download | glibc-4c6a78addabbd6e1b69763e286768919e56dfe0a.tar.gz | |
longlong.h: update from GCC for LoongArch clz/ctz support
Update longlong.h to GCC r13-3269. Keep our local change (prefer https
for gnu.org URL).
| -rw-r--r-- | stdlib/longlong.h | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/stdlib/longlong.h b/stdlib/longlong.h index 9b89469ac2..d8f76a43b5 100644 --- a/stdlib/longlong.h +++ b/stdlib/longlong.h @@ -593,6 +593,18 @@ extern UDItype __umulsidi3 (USItype, USItype); #define UMUL_TIME 14 #endif +#ifdef __loongarch__ +# if W_TYPE_SIZE == 32 +# define count_leading_zeros(count, x) ((count) = __builtin_clz (x)) +# define count_trailing_zeros(count, x) ((count) = __builtin_ctz (x)) +# define COUNT_LEADING_ZEROS_0 32 +# elif W_TYPE_SIZE == 64 +# define count_leading_zeros(count, x) ((count) = __builtin_clzll (x)) +# define count_trailing_zeros(count, x) ((count) = __builtin_ctzll (x)) +# define COUNT_LEADING_ZEROS_0 64 +# endif +#endif + #if defined (__M32R__) && W_TYPE_SIZE == 32 #define add_ssaaaa(sh, sl, ah, al, bh, bl) \ /* The cmp clears the condition bit. */ \ |