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Make progress towards aarch64 build

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Justine Tunney 2023-05-01 19:43:59 -07:00
parent 08ff26c817
commit ca2860947f
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GPG key ID: BE714B4575D6E328
15428 changed files with 25694 additions and 23138 deletions
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8
libc/intrin/bsr.h
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@ -7,7 +7,8 @@ int _bsr(int) pureconst;
int _bsrl(long) pureconst;
int _bsrll(long long) pureconst;
#if defined(__GNUC__) && defined(__x86_64__) && !defined(__STRICT_ANSI__)
#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
#ifdef __x86_64__
int _bsr128(uint128_t) pureconst;
#define _bsr(u) \
({ \
@ -22,6 +23,11 @@ int _bsr128(uint128_t) pureconst;
(unsigned)BiTs; \
})
#define _bsrll(u) _bsrl(u)
#else
#define _bsr(x) (__builtin_clz(x) ^ (sizeof(int) * CHAR_BIT - 1))
#define _bsrl(x) (__builtin_clzl(x) ^ (sizeof(long) * CHAR_BIT - 1))
#define _bsrll(x) (__builtin_clzll(x) ^ (sizeof(long long) * CHAR_BIT - 1))
#endif
#endif
COSMOPOLITAN_C_END_