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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
No known key found for this signature in database
GPG key ID: BE714B4575D6E328
53 changed files with 110 additions and 93 deletions
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2
libc/str/thompike.h
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@ -5,7 +5,7 @@
#define ThomPikeCont(x) (0200 == (0300 & (x)))
#define ThomPikeByte(x) ((x) & (((1 << ThomPikeMsb(x)) - 1) | 3))
#define ThomPikeLen(x) (7 - ThomPikeMsb(x))
#define ThomPikeMsb(x) ((255 & (x)) < 252 ? _bsr(255 & ~(x)) : 1)
#define ThomPikeMsb(x) ((255 & (x)) < 252 ? bsr(255 & ~(x)) : 1)
#define ThomPikeMerge(x, y) ((x) << 6 | (077 & (y)))
#endif /* COSMOPOLITAN_LIBC_STR_THOMPIKE_H_ */

2
libc/str/tpdecodecb.internal.h
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@ -18,7 +18,7 @@ forceinline int tpdecodecb(wint_t *out, int first,
if ((wc = get(arg, i++)) == -1) return -1;
}
if (__builtin_expect(!(0 <= wc && wc <= 0x7F), 0)) {
msb = wc < 252 ? _bsr(~wc & 0xff) : 1;
msb = wc < 252 ? bsr(~wc & 0xff) : 1;
need = 7 - msb;
wc &= ((1u << msb) - 1) | 0b00000011;
for (j = 1; j < need; ++j) {