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Rename _bsr/_bsf to bsr/bsf

Browse source 
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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4
dsp/scale/gyarados.c
View file

@ -202,8 +202,8 @@ void *Gyarados(long dyw, long dxw, int dst[dyw][dxw], long syw, long sxw,
CHECK_LE(sxn, sxw); CHECK_LE(sxn, sxw);
CHECK_LE(dyn, dyw); CHECK_LE(dyn, dyw);
CHECK_LE(dxn, dxw); CHECK_LE(dxn, dxw);
CHECK_LT(_bsrl(syn) + _bsrl(sxn), 32); CHECK_LT(bsrl(syn) + bsrl(sxn), 32);
CHECK_LT(_bsrl(dyn) + _bsrl(dxn), 32); CHECK_LT(bsrl(dyn) + bsrl(dxn), 32);
CHECK_LE(dyw, 0x7fff); CHECK_LE(dyw, 0x7fff);
CHECK_LE(dxw, 0x7fff); CHECK_LE(dxw, 0x7fff);
CHECK_LE(syw, 0x7fff); CHECK_LE(syw, 0x7fff);

2
libc/calls/fstat-nt.c
View file

@ -71,7 +71,7 @@ static textwindows long GetSizeOfReparsePoint(int64_t fh) {
} }
} }
if (x >= 0200) { if (x >= 0200) {
z += _bsrl(tpenc(x)) >> 3; z += bsrl(tpenc(x)) >> 3;
} }
++z; ++z;
} }

2
libc/calls/pledge-linux.c
View file

@ -1040,7 +1040,7 @@ static privileged char *FixCpy(char p[17], uint64_t x, int k) {
} }
static privileged char *HexCpy(char p[17], uint64_t x) { static privileged char *HexCpy(char p[17], uint64_t x) {
return FixCpy(p, x, ROUNDUP(x ? _bsrl(x) + 1 : 1, 4)); return FixCpy(p, x, ROUNDUP(x ? bsrl(x) + 1 : 1, 4));
} }
static privileged int GetPid(void) { static privileged int GetPid(void) {

2
libc/calls/sig.c
View file

@ -97,7 +97,7 @@ static textwindows int __sig_getter(atomic_ulong *sigs, sigset_t masked) {
for (;;) { for (;;) {
pending = atomic_load_explicit(sigs, memory_order_acquire); pending = atomic_load_explicit(sigs, memory_order_acquire);
if ((deliverable = pending & ~masked)) { if ((deliverable = pending & ~masked)) {
sig = _bsfl(deliverable) + 1; sig = bsfl(deliverable) + 1;
bit = 1ull << (sig - 1); bit = 1ull << (sig - 1);
if (atomic_fetch_and_explicit(sigs, ~bit, memory_order_acq_rel) & bit) { if (atomic_fetch_and_explicit(sigs, ~bit, memory_order_acq_rel) & bit) {
return sig; return sig;

2
libc/fmt/formatbinary64.c
View file

@ -45,7 +45,7 @@ char *FormatBinary64(char p[hasatleast 67], uint64_t x, char z) {
*p++ = '0'; *p++ = '0';
*p++ = 'b'; *p++ = 'b';
} }
i = PickGoodWidth(_bsrl(x)); i = PickGoodWidth(bsrl(x));
do { do {
b = 1; b = 1;
b <<= i; b <<= i;

2
libc/fmt/itoa64radix16.greg.c
View file

@ -22,5 +22,5 @@
#include "libc/macros.internal.h" #include "libc/macros.internal.h"
size_t uint64toarray_radix16(uint64_t x, char b[hasatleast 17]) { size_t uint64toarray_radix16(uint64_t x, char b[hasatleast 17]) {
return uint64toarray_fixed16(x, b, ROUNDUP(x ? _bsrl(x) + 1 : 1, 4)); return uint64toarray_fixed16(x, b, ROUNDUP(x ? bsrl(x) + 1 : 1, 4));
} }

11
libc/integral/cxx.inc
View file

@ -18,12 +18,14 @@
#if 1 #if 1
template <bool _P, typename _T, typename _U> template <bool _P, typename _T, typename _U>
struct __cxx_choose_expr { struct __cxx_choose_expr {
__cxx_choose_expr(_T _a, _U _b) : _value(_a) {} __cxx_choose_expr(_T _a, _U _b) : _value(_a) {
}
const _T _value; const _T _value;
}; };
template <typename _T, typename _U> template <typename _T, typename _U>
struct __cxx_choose_expr<false, _T, _U> { struct __cxx_choose_expr<false, _T, _U> {
__cxx_choose_expr(_T _a, _U _b) : _value(_b) {} __cxx_choose_expr(_T _a, _U _b) : _value(_b) {
}
const _U _value; const _U _value;
}; };
#define __builtin_choose_expr(X, A, B) \ #define __builtin_choose_expr(X, A, B) \
@ -32,3 +34,8 @@ struct __cxx_choose_expr<false, _T, _U> {
#define __builtin_choose_expr(X, A, B) ((X) ? (A) : (B)) #define __builtin_choose_expr(X, A, B) ((X) ? (A) : (B))
#endif #endif
#endif #endif
#ifdef __aarch64__
/* todo jart whyyyy */
#define _Float16 __fp16
#endif

12
libc/intrin/bsf.c
View file

@ -22,7 +22,7 @@
* Returns position of first bit set. * Returns position of first bit set.
* *
* ctz(𝑥) 31^clz(𝑥) clz(𝑥) * ctz(𝑥) 31^clz(𝑥) clz(𝑥)
* uint32 𝑥 _bsf(𝑥) tzcnt(𝑥) ffs(𝑥) _bsr(𝑥) lzcnt(𝑥) * uint32 𝑥 bsf(𝑥) tzcnt(𝑥) ffs(𝑥) bsr(𝑥) lzcnt(𝑥)
* 0x00000000 wut 32 0 wut 32 * 0x00000000 wut 32 0 wut 32
* 0x00000001 0 0 1 0 31 * 0x00000001 0 0 1 0 31
* 0x80000001 0 0 1 31 0 * 0x80000001 0 0 1 31 0
@ -35,7 +35,7 @@
* @param 𝑥 is a 64-bit integer * @param 𝑥 is a 64-bit integer
* @return number in range 0..63 or undefined if 𝑥 is 0 * @return number in range 0..63 or undefined if 𝑥 is 0
*/ */
int(_bsfl)(long x) { int(bsfl)(long x) {
unsigned l, r; unsigned l, r;
x &= -x; x &= -x;
l = x | x >> 32; l = x | x >> 32;
@ -52,7 +52,7 @@ int(_bsfl)(long x) {
* Returns position of first bit set. * Returns position of first bit set.
* *
* ctz(𝑥) 31^clz(𝑥) clz(𝑥) * ctz(𝑥) 31^clz(𝑥) clz(𝑥)
* uint32 𝑥 _bsf(𝑥) tzcnt(𝑥) ffs(𝑥) _bsr(𝑥) lzcnt(𝑥) * uint32 𝑥 bsf(𝑥) tzcnt(𝑥) ffs(𝑥) bsr(𝑥) lzcnt(𝑥)
* 0x00000000 wut 32 0 wut 32 * 0x00000000 wut 32 0 wut 32
* 0x00000001 0 0 1 0 31 * 0x00000001 0 0 1 0 31
* 0x80000001 0 0 1 31 0 * 0x80000001 0 0 1 31 0
@ -65,8 +65,8 @@ int(_bsfl)(long x) {
* @param x is a 32-bit integer * @param x is a 32-bit integer
* @return number in range 0..31 or undefined if 𝑥 is 0 * @return number in range 0..31 or undefined if 𝑥 is 0
*/ */
int(_bsf)(int x) { int(bsf)(int x) {
return _bsf((unsigned)x); return bsf((unsigned)x);
} }
__weak_reference(_bsfl, _bsfll); __weak_reference(bsfl, bsfll);

14
libc/intrin/bsf.h
View file

@ -1,16 +1,18 @@
#ifdef _COSMO_SOURCE
#ifndef COSMOPOLITAN_LIBC_NEXGEN32E_BSF_H_ #ifndef COSMOPOLITAN_LIBC_NEXGEN32E_BSF_H_
#define COSMOPOLITAN_LIBC_NEXGEN32E_BSF_H_ #define COSMOPOLITAN_LIBC_NEXGEN32E_BSF_H_
COSMOPOLITAN_C_START_ COSMOPOLITAN_C_START_
libcesque int _bsf(int) pureconst; libcesque int bsf(int) pureconst;
libcesque int _bsfl(long) pureconst; libcesque int bsfl(long) pureconst;
libcesque int _bsfll(long long) pureconst; libcesque int bsfll(long long) pureconst;
#if defined(__GNUC__) && !defined(__STRICT_ANSI__) #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
#define _bsf(x) __builtin_ctz(x) #define bsf(x) __builtin_ctz(x)
#define _bsfl(x) __builtin_ctzl(x) #define bsfl(x) __builtin_ctzl(x)
#define _bsfll(x) __builtin_ctzll(x) #define bsfll(x) __builtin_ctzll(x)
#endif #endif
COSMOPOLITAN_C_END_ COSMOPOLITAN_C_END_
#endif /* COSMOPOLITAN_LIBC_NEXGEN32E_BSF_H_ */ #endif /* COSMOPOLITAN_LIBC_NEXGEN32E_BSF_H_ */
#endif /* _COSMO_SOURCE */

4
libc/intrin/bsr.c
View file

@ -23,7 +23,7 @@
* Returns binary logarithm of 𝑥. * Returns binary logarithm of 𝑥.
* *
* ctz(𝑥) 31^clz(𝑥) clz(𝑥) * ctz(𝑥) 31^clz(𝑥) clz(𝑥)
* uint32 𝑥 _bsf(𝑥) tzcnt(𝑥) ffs(𝑥) _bsr(𝑥) lzcnt(𝑥) * uint32 𝑥 bsf(𝑥) tzcnt(𝑥) ffs(𝑥) bsr(𝑥) lzcnt(𝑥)
* 0x00000000 wut 32 0 wut 32 * 0x00000000 wut 32 0 wut 32
* 0x00000001 0 0 1 0 31 * 0x00000001 0 0 1 0 31
* 0x80000001 0 0 1 31 0 * 0x80000001 0 0 1 31 0
@ -36,7 +36,7 @@
* @param x is a 32-bit integer * @param x is a 32-bit integer
* @return number in range 0..31 or undefined if 𝑥 is 0 * @return number in range 0..31 or undefined if 𝑥 is 0
*/ */
int(_bsr)(int x) { int(bsr)(int x) {
int r = 0; int r = 0;
if(x & 0xFFFF0000u) { x >>= 16; r |= 16; } if(x & 0xFFFF0000u) { x >>= 16; r |= 16; }
if(x & 0xFF00) { x >>= 8; r |= 8; } if(x & 0xFF00) { x >>= 8; r |= 8; }

14
libc/intrin/bsr.h
View file

@ -1,16 +1,18 @@
#ifdef _COSMO_SOURCE
#ifndef COSMOPOLITAN_LIBC_NEXGEN32E_BSR_H_ #ifndef COSMOPOLITAN_LIBC_NEXGEN32E_BSR_H_
#define COSMOPOLITAN_LIBC_NEXGEN32E_BSR_H_ #define COSMOPOLITAN_LIBC_NEXGEN32E_BSR_H_
COSMOPOLITAN_C_START_ COSMOPOLITAN_C_START_
libcesque int _bsr(int) pureconst; libcesque int bsr(int) pureconst;
libcesque int _bsrl(long) pureconst; libcesque int bsrl(long) pureconst;
libcesque int _bsrll(long long) pureconst; libcesque int bsrll(long long) pureconst;
#if defined(__GNUC__) && !defined(__STRICT_ANSI__) #if defined(__GNUC__) && !defined(__STRICT_ANSI__)
#define _bsr(x) (__builtin_clz(x) ^ (sizeof(int) * 8 - 1)) #define bsr(x) (__builtin_clz(x) ^ (sizeof(int) * 8 - 1))
#define _bsrl(x) (__builtin_clzl(x) ^ (sizeof(long) * 8 - 1)) #define bsrl(x) (__builtin_clzl(x) ^ (sizeof(long) * 8 - 1))
#define _bsrll(x) (__builtin_clzll(x) ^ (sizeof(long long) * 8 - 1)) #define bsrll(x) (__builtin_clzll(x) ^ (sizeof(long long) * 8 - 1))
#endif #endif
COSMOPOLITAN_C_END_ COSMOPOLITAN_C_END_
#endif /* COSMOPOLITAN_LIBC_NEXGEN32E_BSR_H_ */ #endif /* COSMOPOLITAN_LIBC_NEXGEN32E_BSR_H_ */
#endif /* _COSMO_SOURCE */

6
libc/intrin/bsrl.c
View file

@ -29,7 +29,7 @@ static const char kDebruijn[64] = {
* Returns binary logarithm of 𝑥. * Returns binary logarithm of 𝑥.
* *
* ctz(𝑥) 31^clz(𝑥) clz(𝑥) * ctz(𝑥) 31^clz(𝑥) clz(𝑥)
* uint32 𝑥 _bsf(𝑥) tzcnt(𝑥) ffs(𝑥) _bsr(𝑥) lzcnt(𝑥) * uint32 𝑥 bsf(𝑥) tzcnt(𝑥) ffs(𝑥) bsr(𝑥) lzcnt(𝑥)
* 0x00000000 wut 32 0 wut 32 * 0x00000000 wut 32 0 wut 32
* 0x00000001 0 0 1 0 31 * 0x00000001 0 0 1 0 31
* 0x80000001 0 0 1 31 0 * 0x80000001 0 0 1 31 0
@ -42,7 +42,7 @@ static const char kDebruijn[64] = {
* @param x is a 64-bit integer * @param x is a 64-bit integer
* @return number in range 0..63 or undefined if 𝑥 is 0 * @return number in range 0..63 or undefined if 𝑥 is 0
*/ */
int(_bsrl)(long x) { int(bsrl)(long x) {
x |= x >> 1; x |= x >> 1;
x |= x >> 2; x |= x >> 2;
x |= x >> 4; x |= x >> 4;
@ -52,4 +52,4 @@ int(_bsrl)(long x) {
return kDebruijn[(x * 0x03f79d71b4cb0a89ull) >> 58]; return kDebruijn[(x * 0x03f79d71b4cb0a89ull) >> 58];
} }
__weak_reference(_bsrl, _bsrll); __weak_reference(bsrl, bsrll);

2
libc/intrin/cxaatexit.c
View file

@ -58,7 +58,7 @@ int __cxa_atexit(void *fp, void *arg, void *pred) {
return enomem(); return enomem();
} }
} }
i = _bsr(~b->mask); i = bsr(~b->mask);
b->mask |= 1u << i; b->mask |= 1u << i;
b->p[i].fp = fp; b->p[i].fp = fp;
b->p[i].arg = arg; b->p[i].arg = arg;

2
libc/intrin/cxafinalize.c
View file

@ -43,7 +43,7 @@ StartOverLocked:
for (;;) { for (;;) {
mask = b->mask; mask = b->mask;
while (mask) { while (mask) {
i = _bsf(mask); i = bsf(mask);
mask &= ~(1u << i); mask &= ~(1u << i);
if (!pred || pred == b->p[i].pred) { if (!pred || pred == b->p[i].pred) {
b->mask &= ~(1u << i); b->mask &= ~(1u << i);

2
libc/intrin/describefdset.c
View file

@ -43,7 +43,7 @@ const char *(DescribeFdSet)(char buf[N], ssize_t rc, int nfds, fd_set *fds) {
for (int fd = 0; fd < nfds; fd += 64) { for (int fd = 0; fd < nfds; fd += 64) {
uint64_t w = fds->fds_bits[fd >> 6]; uint64_t w = fds->fds_bits[fd >> 6];
while (w) { while (w) {
unsigned m = _bsr(w); unsigned m = bsr(w);
w &= ~((uint64_t)1 << m); w &= ~((uint64_t)1 << m);
if (fd + m < nfds) { if (fd + m < nfds) {
if (!gotsome) { if (!gotsome) {

2
libc/intrin/formathex64.c
View file

@ -48,7 +48,7 @@ char *FormatHex64(char p[hasatleast 19], uint64_t x, char z) {
*p++ = '0'; *p++ = '0';
*p++ = 'x'; *p++ = 'x';
} }
i = PickGoodWidth(_bsrl(x), z); i = PickGoodWidth(bsrl(x), z);
do { do {
*p++ = "0123456789abcdef"[(x >> (i -= 4)) & 15]; *p++ = "0123456789abcdef"[(x >> (i -= 4)) & 15];
} while (i); } while (i);

2
libc/intrin/tpenc.c
View file

@ -34,7 +34,7 @@ uint64_t tpenc(uint32_t c) {
int e, n; int e, n;
uint64_t w; uint64_t w;
if (0 <= c && c <= 127) return c; if (0 <= c && c <= 127) return c;
e = kTpEnc[_bsr(c) - 7]; e = kTpEnc[bsr(c) - 7];
n = e & 0xff; n = e & 0xff;
w = 0; w = 0;
do { do {

2
libc/log/cxaprintexits.c
View file

@ -41,7 +41,7 @@ void __cxa_printexits(FILE *f, void *pred) {
do { do {
mask = b->mask; mask = b->mask;
while (mask) { while (mask) {
i = _bsf(mask); i = bsf(mask);
mask &= ~(1u << i); mask &= ~(1u << i);
if (!pred || pred == b->p[i].pred) { if (!pred || pred == b->p[i].pred) {
symbol = GetSymbolByAddr((intptr_t)b->p[i].fp); symbol = GetSymbolByAddr((intptr_t)b->p[i].fp);

2
libc/proc/posix_spawn.c
View file

@ -587,7 +587,7 @@ errno_t posix_spawn(int *pid, const char *path,
if (flags & POSIX_SPAWN_SETRLIMIT) { if (flags & POSIX_SPAWN_SETRLIMIT) {
int rlimset = (*attrp)->rlimset; int rlimset = (*attrp)->rlimset;
while (rlimset) { while (rlimset) {
int resource = _bsf(rlimset); int resource = bsf(rlimset);
rlimset &= ~(1u << resource); rlimset &= ~(1u << resource);
if (setrlimit(resource, (*attrp)->rlim + resource)) { if (setrlimit(resource, (*attrp)->rlim + resource)) {
// MacOS ARM64 RLIMIT_STACK always returns EINVAL // MacOS ARM64 RLIMIT_STACK always returns EINVAL

2
libc/runtime/mmap.c
View file

@ -73,7 +73,7 @@
#define FRAME(x) ((int)((intptr_t)(x) >> 16)) #define FRAME(x) ((int)((intptr_t)(x) >> 16))
static inline pureconst unsigned long __rounddown2pow(unsigned long x) { static inline pureconst unsigned long __rounddown2pow(unsigned long x) {
return x ? 1ul << _bsrl(x) : 0; return x ? 1ul << bsrl(x) : 0;
} }
static wontreturn void __mmap_die(const char *s) { static wontreturn void __mmap_die(const char *s) {

2
libc/stdio/appendr.c
View file

@ -55,7 +55,7 @@ ssize_t appendr(char **b, size_t i) {
z = appendz((p = *b)); z = appendz((p = *b));
if (i != z.i || !p) { if (i != z.i || !p) {
n = ROUNDUP(i + 1, 8) + W; n = ROUNDUP(i + 1, 8) + W;
if (n > z.n || _bsrl(n) < _bsrl(z.n)) { if (n > z.n || bsrl(n) < bsrl(z.n)) {
if ((p = realloc(p, n))) { if ((p = realloc(p, n))) {
z.n = malloc_usable_size(p); z.n = malloc_usable_size(p);
unassert(!(z.n & (W - 1))); unassert(!(z.n & (W - 1)));

4
libc/stdio/appendw.c
View file

@ -18,10 +18,10 @@
╚─────────────────────────────────────────────────────────────────────────────*/ ╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/assert.h" #include "libc/assert.h"
#include "libc/dce.h" #include "libc/dce.h"
#include "libc/serialize.h"
#include "libc/intrin/bsr.h" #include "libc/intrin/bsr.h"
#include "libc/macros.internal.h" #include "libc/macros.internal.h"
#include "libc/mem/mem.h" #include "libc/mem/mem.h"
#include "libc/serialize.h"
#include "libc/stdio/append.h" #include "libc/stdio/append.h"
#define W sizeof(size_t) #define W sizeof(size_t)
@ -59,7 +59,7 @@ ssize_t appendw(char **b, uint64_t w) {
char *p, *q; char *p, *q;
struct appendz z; struct appendz z;
z = appendz((p = *b)); z = appendz((p = *b));
l = w ? (_bsrl(w) >> 3) + 1 : 1; l = w ? (bsrl(w) >> 3) + 1 : 1;
n = ROUNDUP(z.i + 8 + 1, 8) + W; n = ROUNDUP(z.i + 8 + 1, 8) + W;
if (n > z.n) { if (n > z.n) {
if (!z.n) z.n = W * 2; if (!z.n) z.n = W * 2;

6
libc/stdio/fmt.c
View file

@ -359,14 +359,14 @@ static int __fmt_stoa_wide(out_f out, void *a, uint64_t w) {
char buf[8]; char buf[8];
if (!isascii(w)) w = tpenc(w); if (!isascii(w)) w = tpenc(w);
WRITE64LE(buf, w); WRITE64LE(buf, w);
return out(buf, a, w ? (_bsr(w) >> 3) + 1 : 1); return out(buf, a, w ? (bsr(w) >> 3) + 1 : 1);
} }
static int __fmt_stoa_bing(out_f out, void *a, uint64_t w) { static int __fmt_stoa_bing(out_f out, void *a, uint64_t w) {
char buf[8]; char buf[8];
w = tpenc(kCp437[w & 0xFF]); w = tpenc(kCp437[w & 0xFF]);
WRITE64LE(buf, w); WRITE64LE(buf, w);
return out(buf, a, w ? (_bsr(w) >> 3) + 1 : 1); return out(buf, a, w ? (bsr(w) >> 3) + 1 : 1);
} }
static int __fmt_stoa_quoted(out_f out, void *a, uint64_t w) { static int __fmt_stoa_quoted(out_f out, void *a, uint64_t w) {
@ -377,7 +377,7 @@ static int __fmt_stoa_quoted(out_f out, void *a, uint64_t w) {
w = tpenc(w); w = tpenc(w);
} }
WRITE64LE(buf, w); WRITE64LE(buf, w);
return out(buf, a, w ? (_bsr(w) >> 3) + 1 : 1); return out(buf, a, w ? (bsr(w) >> 3) + 1 : 1);
} }
/** /**

2
libc/str/thompike.h
View file

@ -5,7 +5,7 @@
#define ThomPikeCont(x) (0200 == (0300 & (x))) #define ThomPikeCont(x) (0200 == (0300 & (x)))
#define ThomPikeByte(x) ((x) & (((1 << ThomPikeMsb(x)) - 1) | 3)) #define ThomPikeByte(x) ((x) & (((1 << ThomPikeMsb(x)) - 1) | 3))
#define ThomPikeLen(x) (7 - ThomPikeMsb(x)) #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))) #define ThomPikeMerge(x, y) ((x) << 6 | (077 & (y)))
#endif /* COSMOPOLITAN_LIBC_STR_THOMPIKE_H_ */ #endif /* COSMOPOLITAN_LIBC_STR_THOMPIKE_H_ */

2
libc/str/tpdecodecb.internal.h
View file

@ -18,7 +18,7 @@ forceinline int tpdecodecb(wint_t *out, int first,
if ((wc = get(arg, i++)) == -1) return -1; if ((wc = get(arg, i++)) == -1) return -1;
} }
if (__builtin_expect(!(0 <= wc && wc <= 0x7F), 0)) { 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; need = 7 - msb;
wc &= ((1u << msb) - 1) | 0b00000011; wc &= ((1u << msb) - 1) | 0b00000011;
for (j = 1; j < need; ++j) { for (j = 1; j < need; ++j) {

4
libc/x/utf16to8.c
View file

@ -16,7 +16,6 @@
│ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │ │ TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR │
│ PERFORMANCE OF THIS SOFTWARE. │ │ PERFORMANCE OF THIS SOFTWARE. │
╚─────────────────────────────────────────────────────────────────────────────*/ ╚─────────────────────────────────────────────────────────────────────────────*/
#include "libc/serialize.h"
#include "libc/intrin/bsr.h" #include "libc/intrin/bsr.h"
#include "libc/intrin/packsswb.h" #include "libc/intrin/packsswb.h"
#include "libc/intrin/pandn.h" #include "libc/intrin/pandn.h"
@ -26,6 +25,7 @@
#include "libc/intrin/punpckhbw.h" #include "libc/intrin/punpckhbw.h"
#include "libc/intrin/punpcklbw.h" #include "libc/intrin/punpcklbw.h"
#include "libc/mem/mem.h" #include "libc/mem/mem.h"
#include "libc/serialize.h"
#include "libc/str/str.h" #include "libc/str/str.h"
#include "libc/str/thompike.h" #include "libc/str/thompike.h"
#include "libc/str/utf16.h" #include "libc/str/utf16.h"
@ -78,7 +78,7 @@ char *utf16to8(const char16_t *p, size_t n, size_t *z) {
} else { } else {
w = tpenc(x); w = tpenc(x);
WRITE64LE(q, w); WRITE64LE(q, w);
q += _bsr(w) >> 3; q += bsr(w) >> 3;
q += 1; q += 1;
} }
} }

2
net/finger/fingersyn.c
View file

@ -36,7 +36,7 @@ uint32_t FingerSyn(const char *p, size_t n) {
// ttl<=128 Windows, OpenVMS 8+ // ttl<=128 Windows, OpenVMS 8+
// ttl<=64 Mac, Linux, BSD, Solaris 8+, Tru64, HP-UX // ttl<=64 Mac, Linux, BSD, Solaris 8+, Tru64, HP-UX
ttl = p[8] & 255; ttl = p[8] & 255;
h += _bsr(MAX(1, ttl - 1)); h += bsr(MAX(1, ttl - 1));
h *= 0x9e3779b1; h *= 0x9e3779b1;
// TCP Options // TCP Options
// We care about the order and presence of leading common options. // We care about the order and presence of leading common options.

2
net/finger/getosname.c
View file

@ -21,7 +21,7 @@
const char *GetOsName(int os) { const char *GetOsName(int os) {
if (os) { if (os) {
switch (_bsr(os)) { switch (bsr(os)) {
case 0: case 0:
return "LINUX"; return "LINUX";
case 1: case 1:

2
net/turfwar/turfwar.c
View file

@ -1538,7 +1538,7 @@ bool GeneratePlot(struct Asset *out, long block, long cash) {
CHECK_SQL(sqlite3_exec(db, "BEGIN TRANSACTION", 0, 0, 0)); CHECK_SQL(sqlite3_exec(db, "BEGIN TRANSACTION", 0, 0, 0));
area = XN * YN; area = XN * YN;
mask = area - 1; mask = area - 1;
clump = 32 - _bsr(area) - 8; clump = 32 - bsr(area) - 8;
while ((rc = DbStep(stmt)) != SQLITE_DONE) { while ((rc = DbStep(stmt)) != SQLITE_DONE) {
if (rc != SQLITE_ROW) CHECK_DB(rc); if (rc != SQLITE_ROW) CHECK_DB(rc);
ip = sqlite3_column_int64(stmt, 0); ip = sqlite3_column_int64(stmt, 0);

6
test/libc/str/bsr_test.c
View file

@ -20,7 +20,7 @@
#include "libc/str/str.h" #include "libc/str/str.h"
#include "libc/testlib/testlib.h" #include "libc/testlib/testlib.h"
static unsigned _Bsr(unsigned x) { static unsigned Bsr(unsigned x) {
static const char kDebruijn[32] = { static const char kDebruijn[32] = {
0, 9, 1, 10, 13, 21, 2, 29, 11, 14, 16, 18, 22, 25, 3, 30, 0, 9, 1, 10, 13, 21, 2, 29, 11, 14, 16, 18, 22, 25, 3, 30,
8, 12, 20, 28, 15, 17, 24, 7, 19, 27, 23, 6, 26, 5, 4, 31, 8, 12, 20, 28, 15, 17, 24, 7, 19, 27, 23, 6, 26, 5, 4, 31,
@ -35,8 +35,8 @@ static unsigned _Bsr(unsigned x) {
return kDebruijn[x]; return kDebruijn[x];
} }
TEST(_bsr, test) { TEST(bsr, test) {
for (int i = 1; i < 1000; ++i) { for (int i = 1; i < 1000; ++i) {
ASSERT_EQ(_bsr(i), _Bsr(i)); ASSERT_EQ(bsr(i), Bsr(i));
} }
} }

2
third_party/chibicc/as.c vendored
View file

@ -2028,7 +2028,7 @@ static int ParseModrm(struct As *a, int *disp) {
if (((reg & 070) >> 3) == 2) modrm |= HASASZ; // asz if (((reg & 070) >> 3) == 2) modrm |= HASASZ; // asz
if (IsComma(a)) { if (IsComma(a)) {
++a->i; ++a->i;
modrm |= (_bsr(GetInt(a)) & 3) << 6; modrm |= (bsr(GetInt(a)) & 3) << 6;
} }
} }
ConsumePunct(a, ')'); ConsumePunct(a, ')');

14
third_party/chibicc/asm.c vendored
View file

@ -301,7 +301,7 @@ static void PickAsmRegisters(Asm *a) {
if (!(m = a->ops[i].regmask)) break; if (!(m = a->ops[i].regmask)) break;
if (popcnt(m) != j) break; if (popcnt(m) != j) break;
if (!(m &= regset)) CouldNotAllocateRegister(&a->ops[i], "rm"); if (!(m &= regset)) CouldNotAllocateRegister(&a->ops[i], "rm");
pick = 1 << (a->ops[i].reg = _bsf(m)); pick = 1 << (a->ops[i].reg = bsf(m));
if (pick & PRECIOUS) a->regclob |= pick; if (pick & PRECIOUS) a->regclob |= pick;
regset &= ~pick; regset &= ~pick;
a->ops[i].regmask = 0; a->ops[i].regmask = 0;
@ -309,14 +309,14 @@ static void PickAsmRegisters(Asm *a) {
case kAsmXmm: case kAsmXmm:
if (!(m = a->ops[i].regmask)) break; if (!(m = a->ops[i].regmask)) break;
if (!(m &= xmmset)) CouldNotAllocateRegister(&a->ops[i], "xmm"); if (!(m &= xmmset)) CouldNotAllocateRegister(&a->ops[i], "xmm");
xmmset &= ~(1 << (a->ops[i].reg = _bsf(m))); xmmset &= ~(1 << (a->ops[i].reg = bsf(m)));
a->ops[i].regmask = 0; a->ops[i].regmask = 0;
break; break;
case kAsmFpu: case kAsmFpu:
if (!(m = a->ops[i].x87mask)) break; if (!(m = a->ops[i].x87mask)) break;
if (popcnt(m) != j) break; if (popcnt(m) != j) break;
if (!(m &= x87sts)) CouldNotAllocateRegister(&a->ops[i], "fpu"); if (!(m &= x87sts)) CouldNotAllocateRegister(&a->ops[i], "fpu");
x87sts &= ~(1 << (a->ops[i].reg = _bsf(m))); x87sts &= ~(1 << (a->ops[i].reg = bsf(m)));
a->ops[i].x87mask = 0; a->ops[i].x87mask = 0;
break; break;
default: default:
@ -540,7 +540,7 @@ static char *HandleAsmSpecifier(Asm *a, char *p) {
if ((i = c - '0') >= a->n) { if ((i = c - '0') >= a->n) {
error_tok(a->tok, "bad asm reference at offset %d", p - a->str); error_tok(a->tok, "bad asm reference at offset %d", p - a->str);
} }
z = _bsr(a->ops[i].node->ty->size); z = bsr(a->ops[i].node->ty->size);
if (z > 3 && a->ops[i].type == kAsmReg) { if (z > 3 && a->ops[i].type == kAsmReg) {
error_tok(a->tok, "bad asm op size"); error_tok(a->tok, "bad asm op size");
} }
@ -679,7 +679,7 @@ static void StoreAsmOutputs(Asm *a) {
println("\tset%s\t(%%rax)", a->ops[i].str + a->ops[i].predicate); println("\tset%s\t(%%rax)", a->ops[i].str + a->ops[i].predicate);
break; break;
case kAsmReg: case kAsmReg:
z = _bsr(a->ops[i].node->ty->size); z = bsr(a->ops[i].node->ty->size);
if (a->ops[i].reg) { if (a->ops[i].reg) {
gen_addr(a->ops[i].node); gen_addr(a->ops[i].node);
if (z > 3) error_tok(a->tok, "bad asm out size"); if (z > 3) error_tok(a->tok, "bad asm out size");
@ -734,7 +734,7 @@ static void StoreAsmOutputs(Asm *a) {
static void PushClobbers(Asm *a) { static void PushClobbers(Asm *a) {
int i, regs = a->regclob & PRECIOUS; int i, regs = a->regclob & PRECIOUS;
while (regs) { while (regs) {
i = _bsf(regs); i = bsf(regs);
pushreg(kGreg[3][i]); pushreg(kGreg[3][i]);
regs &= ~(1 << i); regs &= ~(1 << i);
} }
@ -743,7 +743,7 @@ static void PushClobbers(Asm *a) {
static void PopClobbers(Asm *a) { static void PopClobbers(Asm *a) {
int i, regs = a->regclob & PRECIOUS; int i, regs = a->regclob & PRECIOUS;
while (regs) { while (regs) {
i = _bsr(regs); i = bsr(regs);
popreg(kGreg[3][i]); popreg(kGreg[3][i]);
regs &= ~(1 << i); regs &= ~(1 << i);
} }

2
third_party/chibicc/dox2.c vendored
View file

@ -281,7 +281,7 @@ static int CompareDoxIndexEntry(const void *p1, const void *p2, void *arg) {
} }
static unsigned long roundup2pow(unsigned long x) { static unsigned long roundup2pow(unsigned long x) {
return x > 1 ? 2ul << _bsrl(x - 1) : x ? 1 : 0; return x > 1 ? 2ul << bsrl(x - 1) : x ? 1 : 0;
} }
static void IndexDox(struct Dox *dox) { static void IndexDox(struct Dox *dox) {

4
third_party/chibicc/file.c vendored
View file

@ -67,7 +67,7 @@ void canonicalize_newline(char *p) {
p += 16; p += 16;
q += 16; q += 16;
} else { } else {
m = _bsf(m); m = bsf(m);
memmove(q, p, m); memmove(q, p, m);
p += m; p += m;
q += m; q += m;
@ -126,7 +126,7 @@ void remove_backslash_newline(char *p) {
i += 16; i += 16;
j += 16; j += 16;
} else { } else {
m = _bsf(m); m = bsf(m);
memmove(p + j, p + i, m); memmove(p + j, p + i, m);
i += m; i += m;
j += m; j += m;

2
third_party/chibicc/test/implicit_test.c vendored
View file

@ -9,7 +9,7 @@ implicit_functions_are_long() {
} }
external_functions_are_long() { external_functions_are_long() {
if (_bsrl(0x0001000000000000) != 48) { if (bsrl(0x0001000000000000) != 48) {
__builtin_trap(); __builtin_trap();
} }
} }

2
third_party/chibicc/tokenize.c vendored
View file

@ -680,7 +680,7 @@ static void convert_universal_chars(char *p) {
p += 16; p += 16;
q += 16; q += 16;
} else { } else {
m = _bsf(m); m = bsf(m);
memmove(q, p, m); memmove(q, p, m);
p += m; p += m;
q += m; q += m;

2
third_party/dlmalloc/dlmalloc.c vendored
View file

@ -935,7 +935,7 @@ static void* internal_memalign(mstate m, size_t alignment, size_t bytes) {
if (alignment < MIN_CHUNK_SIZE) /* must be at least a minimum chunk size */ if (alignment < MIN_CHUNK_SIZE) /* must be at least a minimum chunk size */
alignment = MIN_CHUNK_SIZE; alignment = MIN_CHUNK_SIZE;
/* alignment is 32+ bytes rounded up to nearest two power */ /* alignment is 32+ bytes rounded up to nearest two power */
alignment = 2ul << _bsrl(MAX(MIN_CHUNK_SIZE, alignment) - 1); alignment = 2ul << bsrl(MAX(MIN_CHUNK_SIZE, alignment) - 1);
if (bytes >= MAX_REQUEST - alignment) { if (bytes >= MAX_REQUEST - alignment) {
if (m != 0) { /* Test isn't needed but avoids compiler warning */ if (m != 0) { /* Test isn't needed but avoids compiler warning */
MALLOC_FAILURE_ACTION; MALLOC_FAILURE_ACTION;

6
third_party/linenoise/linenoise.c vendored
View file

@ -369,7 +369,7 @@ static wint_t Capitalize(wint_t c) {
static struct rune DecodeUtf8(int c) { static struct rune DecodeUtf8(int c) {
struct rune r; struct rune r;
if (c < 252) { if (c < 252) {
r.n = _bsr(255 & ~c); r.n = bsr(255 & ~c);
r.c = c & (((1 << r.n) - 1) | 3); r.c = c & (((1 << r.n) - 1) | 3);
r.n = 6 - r.n; r.n = 6 - r.n;
} else { } else {
@ -645,7 +645,7 @@ static void abAppendw(struct abuf *a, unsigned long long w) {
p[5] = (0x0000ff0000000000 & w) >> 050; p[5] = (0x0000ff0000000000 & w) >> 050;
p[6] = (0x00ff000000000000 & w) >> 060; p[6] = (0x00ff000000000000 & w) >> 060;
p[7] = (0xff00000000000000 & w) >> 070; p[7] = (0xff00000000000000 & w) >> 070;
a->len += w ? (_bsrll(w) >> 3) + 1 : 1; a->len += w ? (bsrll(w) >> 3) + 1 : 1;
p[8] = 0; p[8] = 0;
} }
@ -1634,7 +1634,7 @@ static size_t linenoiseEscape(char *d, const char *s, size_t n) {
break; break;
} }
WRITE32LE(p, w); WRITE32LE(p, w);
p += (_bsr(w) >> 3) + 1; p += (bsr(w) >> 3) + 1;
l = w; l = w;
} }
return p - d; return p - d;

2
third_party/lua/lobject.h vendored
View file

@ -785,7 +785,7 @@ LUAI_FUNC void luaO_chunkid (char *out, const char *source, size_t srclen);
** Computes ceil(log2(x)) ** Computes ceil(log2(x))
*/ */
static inline int luaO_ceillog2 (unsigned int x) { static inline int luaO_ceillog2 (unsigned int x) {
return --x ? _bsr(x) + 1 : 0; return --x ? bsr(x) + 1 : 0;
} }
#endif #endif

2
third_party/python/Parser/node.c vendored
View file

@ -31,7 +31,7 @@ fancy_roundup(int x)
/* Round up to the closest power of 2 >= n. */ /* Round up to the closest power of 2 >= n. */
int r; int r;
assert(x > 128); assert(x > 128);
r = 1u << (_bsr(x - 1) + 1); /* hacker's delight */ r = 1u << (bsr(x - 1) + 1); /* hacker's delight */
return r > 0 ? r : -1; return r > 0 ? r : -1;
} }

2
third_party/xed/x86ild.greg.c vendored
View file

@ -878,7 +878,7 @@ privileged static void xed_evex_scanner(struct XedDecodedInst *d) {
} }
privileged static uint64_t xed_read_number(uint8_t *p, size_t n, bool s) { privileged static uint64_t xed_read_number(uint8_t *p, size_t n, bool s) {
switch (s << 2 | _bsr(n)) { switch (s << 2 | bsr(n)) {
case 0b000: case 0b000:
return *p; return *p;
case 0b100: case 0b100:

2
tool/build/lib/panel.c
View file

@ -32,7 +32,7 @@ static int tpdecode(const char *s, wint_t *out) {
if ((wc = s[i++] & 255) == -1) return -1; if ((wc = s[i++] & 255) == -1) return -1;
} }
if (!(0 <= wc && wc <= 0x7F)) { if (!(0 <= wc && wc <= 0x7F)) {
msb = wc < 252 ? _bsr(~wc & 0xff) : 1; msb = wc < 252 ? bsr(~wc & 0xff) : 1;
need = 7 - msb; need = 7 - msb;
wc &= ((1u << msb) - 1) | 0003; wc &= ((1u << msb) - 1) | 0003;
for (j = 1; j < need; ++j) { for (j = 1; j < need; ++j) {

4
tool/emacs/cosmo-c-builtins.el
View file

@ -190,6 +190,9 @@
"__integer_pack" "__integer_pack"
"__is_same")) "__is_same"))
(cuda-builtin-types
'("__syncthreads"))
(cosmopolitan-builtin-defines (cosmopolitan-builtin-defines
'("COSMOPOLITAN_CXX_START_" '("COSMOPOLITAN_CXX_START_"
"COSMOPOLITAN_CXX_END_" "COSMOPOLITAN_CXX_END_"
@ -225,6 +228,7 @@
gcc-builtin-functions-sync gcc-builtin-functions-sync
gcc-builtin-functions-ia32 gcc-builtin-functions-ia32
gxx-builtin-type-traits gxx-builtin-type-traits
cuda-builtin-types
cosmopolitan-builtin-defines cosmopolitan-builtin-defines
cosmopolitan-builtin-functions)) cosmopolitan-builtin-functions))
"\\_>"))) "\\_>")))

4
tool/emacs/cosmo-platform-constants.el
View file

@ -74,11 +74,13 @@
"_OPENMP")) "_OPENMP"))
(cuda (cuda
'("__NVCC__")) '("__NVCC__"
"__CUDA_ARCH__"))
(hip (hip
'("__HIP__" '("__HIP__"
"__HIPCC__" "__HIPCC__"
"__HIP_PLATFORM_AMD__"
"__HIP_DEVICE_COMPILE__" "__HIP_DEVICE_COMPILE__"
"__AMD__" "__AMD__"
"__AMDGCN__" "__AMDGCN__"

4
tool/net/lfuncs.c
View file

@ -342,7 +342,7 @@ int LuaPopcnt(lua_State *L) {
int LuaBsr(lua_State *L) { int LuaBsr(lua_State *L) {
long x; long x;
if ((x = luaL_checkinteger(L, 1))) { if ((x = luaL_checkinteger(L, 1))) {
lua_pushinteger(L, _bsrl(x)); lua_pushinteger(L, bsrl(x));
return 1; return 1;
} else { } else {
luaL_argerror(L, 1, "zero"); luaL_argerror(L, 1, "zero");
@ -353,7 +353,7 @@ int LuaBsr(lua_State *L) {
int LuaBsf(lua_State *L) { int LuaBsf(lua_State *L) {
long x; long x;
if ((x = luaL_checkinteger(L, 1))) { if ((x = luaL_checkinteger(L, 1))) {
lua_pushinteger(L, _bsfl(x)); lua_pushinteger(L, bsfl(x));
return 1; return 1;
} else { } else {
luaL_argerror(L, 1, "zero"); luaL_argerror(L, 1, "zero");

4
tool/net/redbean.c
View file

@ -2147,7 +2147,7 @@ static void FreeStrings(struct Strings *l) {
} }
static unsigned long roundup2pow(unsigned long x) { static unsigned long roundup2pow(unsigned long x) {
return x > 1 ? 2ul << _bsrl(x - 1) : x ? 1 : 0; return x > 1 ? 2ul << bsrl(x - 1) : x ? 1 : 0;
} }
static void IndexAssets(void) { static void IndexAssets(void) {
@ -2943,7 +2943,7 @@ static int GetDecimalWidth(long x) {
} }
static int GetOctalWidth(int x) { static int GetOctalWidth(int x) {
return !x ? 1 : x < 8 ? 2 : 1 + _bsr(x) / 3; return !x ? 1 : x < 8 ? 2 : 1 + bsr(x) / 3;
} }
static const char *DescribeCompressionRatio(char rb[8], uint8_t *zcf) { static const char *DescribeCompressionRatio(char rb[8], uint8_t *zcf) {

6
tool/plinko/lib/gc.c
View file

@ -93,7 +93,7 @@ int Census(struct Gc *G) {
if (!~G->M[j]) { if (!~G->M[j]) {
l += DWBITS; l += DWBITS;
} else { } else {
l += _bsfl(~G->M[j]); l += bsfl(~G->M[j]);
break; break;
} }
} }
@ -124,7 +124,7 @@ void Sweep(struct Gc *G) {
for (; i < G->n; ++i) { for (; i < G->n; ++i) {
m = G->M[i]; m = G->M[i];
if (~m) { if (~m) {
j = _bsfl(~m); j = bsfl(~m);
m >>= j; m >>= j;
m <<= j; m <<= j;
d -= j; d -= j;
@ -136,7 +136,7 @@ void Sweep(struct Gc *G) {
} }
for (; i < G->n; b -= DWBITS, m = G->M[++i]) { for (; i < G->n; b -= DWBITS, m = G->M[++i]) {
for (; m; m &= ~((dword)1 << j)) { for (; m; m &= ~((dword)1 << j)) {
a = b + ~(j = _bsfl(m)); a = b + ~(j = bsfl(m));
Set(--d, MAKE(Relocate(G, LO(Get(a))), Relocate(G, HI(Get(a))))); Set(--d, MAKE(Relocate(G, LO(Get(a))), Relocate(G, HI(Get(a)))));
SetShadow(d, MAKE(LO(GetShadow(a)), Relocate(G, HI(GetShadow(a))))); SetShadow(d, MAKE(LO(GetShadow(a)), Relocate(G, HI(GetShadow(a)))));
} }

2
tool/plinko/lib/histo.h
View file

@ -7,7 +7,7 @@ COSMOPOLITAN_C_START_
#define HISTO(H, X) \ #define HISTO(H, X) \
do { \ do { \
uint64_t x_ = X; \ uint64_t x_ = X; \
x_ = x_ ? _bsrl(x_) + 1 : x_; \ x_ = x_ ? bsrl(x_) + 1 : x_; \
++H[MIN(x_, ARRAYLEN(H) - 1)]; \ ++H[MIN(x_, ARRAYLEN(H) - 1)]; \
} while (0) } while (0)

2
tool/plinko/lib/printchar.c
View file

@ -31,7 +31,7 @@ int PrintChar(int fd, int s) {
if (c == L'\n') Flush(fd); if (c == L'\n') Flush(fd);
} else { } else {
d = c; d = c;
e = kTpEnc[_bsrl(d) - 7]; e = kTpEnc[bsrl(d) - 7];
i = n = e & 255; i = n = e & 255;
do g_buffer[fd][bp[fd] + i--] = 0200 | (d & 077); do g_buffer[fd][bp[fd] + i--] = 0200 | (d & 077);
while (d >>= 6, i); while (d >>= 6, i);

2
tool/viz/fontspace.c
View file

@ -51,7 +51,7 @@ void PrintBar(unsigned char *p, size_t n) {
} }
for (i = 0; i < j; ++i) { for (i = 0; i < j; ++i) {
if (p[i]) { if (p[i]) {
fputwc(u"░░▒▒▓▓██"[_bsr(p[i])], stdout); fputwc(u"░░▒▒▓▓██"[bsr(p[i])], stdout);
} else { } else {
fputc(' ', stdout); fputc(' ', stdout);
} }

4
tool/viz/lib/bilinearscale.c
View file

@ -82,8 +82,8 @@ void *BilinearScale(long dcw, long dyw, long dxw,
DCHECK_LE(sxn, sxw); DCHECK_LE(sxn, sxw);
DCHECK_LE(dyn, dyw); DCHECK_LE(dyn, dyw);
DCHECK_LE(dxn, dxw); DCHECK_LE(dxn, dxw);
DCHECK_LT(_bsrl(cn) + _bsrl(syn) + _bsrl(sxn), 32); DCHECK_LT(bsrl(cn) + bsrl(syn) + bsrl(sxn), 32);
DCHECK_LT(_bsrl(cn) + _bsrl(dyn) + _bsrl(dxn), 32); DCHECK_LT(bsrl(cn) + bsrl(dyn) + bsrl(dxn), 32);
BilinearScaler(dcw, dyw, dxw, dst, scw, syw, sxw, src, c0, cn, dyn, dxn, BilinearScaler(dcw, dyw, dxw, dst, scw, syw, sxw, src, c0, cn, dyn, dxn,
syn, sxn, ry, rx, oy, ox, syn, sxn, ry, rx, oy, ox,
gc(xmemalign(64, ROUNDUP(sizeof(int) * (dyn + 1), 64))), gc(xmemalign(64, ROUNDUP(sizeof(int) * (dyn + 1), 64))),

4
tool/viz/lib/ycbcr2rgb3.c
View file

@ -84,11 +84,11 @@ struct YCbCr {
}; };
static unsigned long roundup2pow(unsigned long x) { static unsigned long roundup2pow(unsigned long x) {
return x > 1 ? 2ul << _bsrl(x - 1) : x ? 1 : 0; return x > 1 ? 2ul << bsrl(x - 1) : x ? 1 : 0;
} }
static unsigned long rounddown2pow(unsigned long x) { static unsigned long rounddown2pow(unsigned long x) {
return x ? 1ul << _bsrl(x) : 0; return x ? 1ul << bsrl(x) : 0;
} }
/** /**

2
tool/viz/memzoom.c
View file

@ -190,7 +190,7 @@ static void LeaveScreen(void) {
} }
static unsigned long rounddown2pow(unsigned long x) { static unsigned long rounddown2pow(unsigned long x) {
return x ? 1ul << _bsrl(x) : 0; return x ? 1ul << bsrl(x) : 0;
} }
static void GetTtySize(void) { static void GetTtySize(void) {