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Further refine documentation
This commit is contained in:
Justine Tunney
parent
1bc3a25505
commit
548dcb9f08
27 changed files with 389 additions and 1478 deletions
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@ -98,25 +98,37 @@ typedef float __m128_u _Vector_size(16) forcealign(1) mayalias;
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│ cosmopolitan § it's a trap! » sse » scalar ops ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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forceinline __m128 _mm_add_ss(__m128 m128_0, __m128 m128_1) {
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m128_0[0] += m128_1[0];
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return m128_0;
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}
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#define _mm_add_ss(m128_0, m128_1) \
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({ \
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__m128 a = m128_0; \
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__m128 b = m128_0; \
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a[0] += b[0]; \
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a; \
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})
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forceinline __m128 _mm_sub_ss(__m128 m128_0, __m128 m128_1) {
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m128_0[0] -= m128_1[0];
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return m128_0;
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}
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#define _mm_sub_ss(m128_0, m128_1) \
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({ \
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__m128 a = m128_0; \
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__m128 b = m128_0; \
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a[0] -= b[0]; \
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a; \
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})
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forceinline __m128 _mm_mul_ss(__m128 m128_0, __m128 m128_1) {
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m128_0[0] *= m128_1[0];
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return m128_0;
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}
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#define _mm_mul_ss(m128_0, m128_1) \
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({ \
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__m128 a = m128_0; \
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__m128 b = m128_0; \
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a[0] *= b[0]; \
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a; \
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})
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forceinline __m128 _mm_div_ss(__m128 m128_0, __m128 m128_1) {
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m128_0[0] /= m128_1[0];
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return m128_0;
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}
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#define _mm_div_ss(m128_0, m128_1) \
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({ \
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__m128 a = m128_0; \
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__m128 b = m128_0; \
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a[0] /= b[0]; \
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a; \
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})
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#define _mm_rcp_ss(M128) __builtin_ia32_rcpss((__v4sf)(M128)) /*~1/x*/
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#define _mm_sqrt_ss(M128) __builtin_ia32_sqrtss((__v4sf)(M128)) /*sqrt𝑥*/
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@ -5,13 +5,13 @@
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#define va_end(AP)
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#define va_copy(DST, SRC) ((DST)[0] = (SRC)[0])
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#define va_start(AP, LAST) \
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do { \
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*(AP) = *(struct __va *)__va_area__; \
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#define va_start(AP, LAST) \
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do { \
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*(AP) = *(struct __va_list *)__va_area__; \
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} while (0)
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#define va_arg(AP, TYPE) \
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(*(TYPE *)__va_arg(AP, sizeof(TYPE), _Alignof(TYPE), \
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__builtin_reg_class(TYPE)))
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typedef struct __va va_list[1];
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typedef struct __va_list va_list[1];
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@ -73,7 +73,7 @@ void vflogf_onfail(FILE *f) {
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fseek(f, SEEK_SET, 0);
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f->beg = f->end = 0;
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clearerr(f);
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(fprintf)(f, "performed emergency log truncation: %s\r\n", strerror(err));
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(fprintf)(f, "performed emergency log truncation: %s\n", strerror(err));
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}
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}
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@ -112,10 +112,10 @@ void(vflogf)(unsigned level, const char *file, int line, FILE *f,
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}
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(vfprintf)(f, fmt, va);
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va_end(va);
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fputs("\r\n", f);
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fputs("\n", f);
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if (level == kLogFatal) {
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__start_fatal(file, line);
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(dprintf)(STDERR_FILENO, "fatal error see logfile\r\n");
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(dprintf)(STDERR_FILENO, "fatal error see logfile\n");
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__die();
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unreachable;
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}
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22
libc/math.h
22
libc/math.h
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@ -285,28 +285,6 @@ void sincos(double, double *, double *);
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void sincosf(float, float *, float *);
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void sincosl(long double, long double *, long double *);
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/*───────────────────────────────────────────────────────────────────────────│─╗
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│ cosmopolitan § mathematics » x87 ─╬─│┼
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╚────────────────────────────────────────────────────────────────────────────│*/
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#define fldz() __X87_CONST(fldz, 0x0p+0)
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#define fld1() __X87_CONST(fld1, 0x8p-3)
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#define fldpi() __X87_CONST(fldpi, M_PI)
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#define fldl2t() __X87_CONST(fldl2t, M_LOG2_10)
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#define fldlg2() __X87_CONST(fldlg2, M_LOG10_2)
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#define fldln2() __X87_CONST(fldln2, M_LN2)
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#define fldl2e() __X87_CONST(fldl2e, M_LOG2E)
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#ifdef __x86__
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#define __X87_CONST(OP, VALUE) \
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({ \
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long double St0##OP; \
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asm(#OP : "=t"(St0##OP)); \
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St0##OP; \
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})
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#else
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#define __X87_CONST(OP, VALUE) VALUE
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#endif
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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#endif /* COSMOPOLITAN_LIBC_MATH_H_ */
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@ -21,15 +21,15 @@
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/ Returns binary logarithm of integer 𝑥.
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/
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/ uint32 𝑥 bsf(𝑥) tzcnt(𝑥) ffs(𝑥) bsr(𝑥) lzcnt(𝑥)
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/ 0x00000000 wut 32 0 wut 32
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/ 0x00000001 0 0 1 0 31
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/ 0x80000001 0 0 1 31 0
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/ 0x80000000 31 31 32 31 0
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/ 0x00000010 4 4 5 4 27
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/ 0x08000010 4 4 5 27 4
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/ 0x08000000 27 27 28 27 4
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/ 0xffffffff 0 0 1 31 0
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/ uint32 𝑥 bsf(𝑥) tzcnt(𝑥) ffs(𝑥) bsr(𝑥) lzcnt(𝑥)
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/ 0x00000000 wut 32 0 wut 32
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/ 0x00000001 0 0 1 0 31
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/ 0x80000001 0 0 1 31 0
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/ 0x80000000 31 31 32 31 0
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/ 0x00000010 4 4 5 4 27
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/ 0x08000010 4 4 5 27 4
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/ 0x08000000 27 27 28 27 4
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/ 0xffffffff 0 0 1 31 0
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/
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/ @param rsi:rdi is 128-bit unsigned 𝑥 value
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/ @return eax number in range [0,128) or undef if 𝑥 is 0
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@ -409,7 +409,7 @@ int WSARecvFrom(uint64_t s, const struct NtIovec *out_lpBuffers,
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uint32_t *inout_fromsockaddrlen,
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struct NtOverlapped *opt_inout_lpOverlapped,
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const NtWsaOverlappedCompletionRoutine opt_lpCompletionRoutine)
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paramsnonnull((2, 5, 6, 7));
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paramsnonnull((2, 5));
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int WSARecvDisconnect(uint64_t s,
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const struct NtIovec *opt_lpInboundDisconnectData);
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@ -20,13 +20,13 @@
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#include "libc/macros.h"
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#include "libc/runtime/valist.h"
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static void *__va_arg_mem(struct __va *ap, size_t sz, size_t align) {
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static void *__va_arg_mem(struct __va_list *ap, size_t sz, size_t align) {
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void *r = (void *)ROUNDUP((intptr_t)ap->overflow_arg_area, align);
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ap->overflow_arg_area = (void *)ROUNDUP((intptr_t)r + sz, 8);
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return r;
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}
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void *__va_arg(struct __va *ap, size_t sz, unsigned align, unsigned k) {
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void *__va_arg(struct __va_list *ap, size_t sz, unsigned align, unsigned k) {
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void *r;
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switch (k) {
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case 0:
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@ -3,14 +3,14 @@
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#if !(__ASSEMBLER__ + __LINKER__ + 0)
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COSMOPOLITAN_C_START_
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struct __va {
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struct __va_list {
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uint32_t gp_offset;
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uint32_t fp_offset;
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void *overflow_arg_area;
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void *reg_save_area;
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};
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void *__va_arg(struct __va *, size_t, unsigned, unsigned);
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void *__va_arg(struct __va_list *, size_t, unsigned, unsigned);
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COSMOPOLITAN_C_END_
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#endif /* !(__ASSEMBLER__ + __LINKER__ + 0) */
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