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longlong.h: update from GCC for LoongArch clz/ctz support

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Update longlong.h to GCC r13-3269.  Keep our local change (prefer https
for gnu.org URL).
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Xi Ruoyao 2022-10-15 14:12:13 +08:00 committed by caiyinyu
parent 6f360366f7
commit 37db2657c9
1 changed files with 12 additions and 0 deletions
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12
stdlib/longlong.h
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@ -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. */ \