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Rename _bsr/_bsf to bsr/bsf

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Now that these functions are behind _COSMO_SOURCE there's no reason for
having the ugly underscore anymore. To use these functions, you need to
pass -mcosmo to cosmocc.
This commit is contained in:
Justine Tunney 2024-03-04 17:33:26 -08:00
parent a6baba1b07
commit 8bfd56b59e
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GPG key ID: BE714B4575D6E328
53 changed files with 110 additions and 93 deletions
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14
libc/intrin/bsr.h
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@ -1,16 +1,18 @@
#ifdef _COSMO_SOURCE
#ifndef COSMOPOLITAN_LIBC_NEXGEN32E_BSR_H_
#define COSMOPOLITAN_LIBC_NEXGEN32E_BSR_H_
COSMOPOLITAN_C_START_
libcesque int _bsr(int) pureconst;
libcesque int _bsrl(long) pureconst;
libcesque int _bsrll(long long) pureconst;
libcesque int bsr(int) pureconst;
libcesque int bsrl(long) pureconst;
libcesque int bsrll(long long) pureconst;
#if defined(__GNUC__) && !defined(__STRICT_ANSI__)
#define _bsr(x) (__builtin_clz(x) ^ (sizeof(int) * 8 - 1))
#define _bsrl(x) (__builtin_clzl(x) ^ (sizeof(long) * 8 - 1))
#define _bsrll(x) (__builtin_clzll(x) ^ (sizeof(long long) * 8 - 1))
#define bsr(x) (__builtin_clz(x) ^ (sizeof(int) * 8 - 1))
#define bsrl(x) (__builtin_clzl(x) ^ (sizeof(long) * 8 - 1))
#define bsrll(x) (__builtin_clzll(x) ^ (sizeof(long long) * 8 - 1))
#endif
COSMOPOLITAN_C_END_
#endif /* COSMOPOLITAN_LIBC_NEXGEN32E_BSR_H_ */
#endif /* _COSMO_SOURCE */