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Remove unused functions from i386/mathinline.h

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This commit is contained in:
Andreas Jaeger 2012-05-14 16:06:58 +02:00
parent ffb7875d03
commit caae5a8101
2 changed files with 6 additions and 37 deletions
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6
ChangeLog
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@ -124,6 +124,12 @@
2012-05-14 Andreas Jaeger <aj@suse.de>
* sysdeps/i386/fpu/bits/mathinline.h (__pow2): Remove,
it's not used in glibc.
(__coshm1): Likewise.
(__acosh1p): Likewise.
(__sgn): Likewise.
* manual/string.texi (Copying and Concatenation): Add missing
variable in concat example.
Reported by David C. Rankin <drankinatty@suddenlinkmail.com>.

37
sysdeps/i386/fpu/bits/mathinline.h
View File

@ -290,35 +290,8 @@ __NTH (__signbitl (long double __x))
#if !defined __NO_MATH_INLINES && defined __OPTIMIZE__
/* Miscellaneous functions */
__inline_mathcode (__sgn, __x, \
return __x == 0.0 ? 0.0 : (__x > 0.0 ? 1.0 : -1.0))
/* __FAST_MATH__ is defined by gcc -ffast-math. */
#ifdef __FAST_MATH__
__inline_mathcode (__pow2, __x, \
register long double __value; \
register long double __exponent; \
__extension__ long long int __p = (long long int) __x; \
if (__x == (long double) __p) \
{ \
__asm __volatile__ \
("fscale" \
: "=t" (__value) : "0" (1.0), "u" (__x)); \
return __value; \
} \
__asm __volatile__ \
("fld %%st(0)\n\t" \
"frndint # int(x)\n\t" \
"fxch\n\t" \
"fsub %%st(1) # fract(x)\n\t" \
"f2xm1 # 2^(fract(x)) - 1\n\t" \
: "=t" (__value), "=u" (__exponent) : "0" (__x)); \
__value += 1.0; \
__asm __volatile__ \
("fscale" \
: "=t" (__value) : "0" (__value), "u" (__exponent)); \
return __value)
# ifdef __USE_GNU
# define __sincos_code \
register long double __cosr; \
@ -733,16 +706,6 @@ __NTH (__finite (double __x))
| 0x800fffffu) + 1) >> 31));
}
/* Miscellaneous functions */
# ifdef __FAST_MATH__
__inline_mathcode (__coshm1, __x, \
register long double __exm1 = __expm1l (__fabsl (__x)); \
return 0.5 * (__exm1 / (__exm1 + 1.0)) * __exm1)
__inline_mathcode (__acosh1p, __x, \
return log1pl (__x + __libc_sqrtl (__x) * __libc_sqrtl (__x + 2.0)))
# endif /* __FAST_MATH__ */
#endif /* __USE_MISC */
/* Undefine some of the large macros which are not used anymore. */