math: Use builtin for ldbl-96 copysign

All architectures that uses it (x86, ia64, m68k) implement the
builtin.

Checked on x86_64-linux-gnu and ia64-linux-gnu.
This commit is contained in:
Adhemerval Zanella 2022-04-07 14:39:59 -03:00
parent a085346267
commit 0a4ae090e0

View file

@ -24,15 +24,11 @@ static char rcsid[] = "$NetBSD: $";
#define NO_MATH_REDIRECT
#include <math.h>
#include <math_private.h>
#include <libm-alias-ldouble.h>
long double __copysignl(long double x, long double y)
long double
__copysignl (long double x, long double y)
{
uint32_t es1,es2;
GET_LDOUBLE_EXP(es1,x);
GET_LDOUBLE_EXP(es2,y);
SET_LDOUBLE_EXP(x,(es1&0x7fff)|(es2&0x8000));
return x;
return __builtin_copysignl (x, y);
}
libm_alias_ldouble (__copysign, copysign)