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Port a lot more code to AARCH64

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- Introduce epoll_pwait()
- Rewrite -ftrapv and ffs() libraries in C code
- Use more FreeBSD code in math function library
- Get significantly more tests passing on qemu-aarch64
- Fix many Musl long double functions that were broken on AARCH64
This commit is contained in:
Justine Tunney 2023-05-14 09:32:15 -07:00
parent 91791e9f38
commit 550b52abf6
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GPG key ID: BE714B4575D6E328
158 changed files with 6018 additions and 3499 deletions
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14
libc/tinymath/cbrtl.c
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@ -57,19 +57,15 @@ asm(".include \"libc/disclaimer.inc\"");
* and David A. Schultz.
*/
#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
long double cbrtl(long double x)
{
return cbrt(x);
}
#elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
static const unsigned B1 = 709958130; /* B1 = (127-127.0/3-0.03306235651)*2**23 */
/**
* Returns cube root of 𝑥.
*/
long double cbrtl(long double x)
{
#if LDBL_MANT_DIG == 53 && LDBL_MAX_EXP == 1024
return cbrt(x);
#elif (LDBL_MANT_DIG == 64 || LDBL_MANT_DIG == 113) && LDBL_MAX_EXP == 16384
static const unsigned B1 = 709958130; /* B1 = (127-127.0/3-0.03306235651)*2**23 */
union ldshape u = {x}, v;
union {float f; uint32_t i;} uft;
long double r, s, t, w;
@ -163,8 +159,8 @@ long double cbrtl(long double x)
t *= v.f;
return t;
}
#else
#error "architecture unsupported"
#endif
}