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* sysdeps/powerpc/fpu/fenv_libc.h: Add libm_hidden_proto for

Browse Source 
__fe_nomask_env.
	* sysdeps/powerpc/fpu/fe_nomask.c: Add libm_hidden_def.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c: Likewise.

	* sysdeps/powerpc/bits/fenv.h: Make safe for C++.

	* sysdeps/unix/sysv/linux/powerpc/bits/mathinline.h: New file.
	* sysdeps/powerpc/fpu/fegetexcept.c (__fegetexcept): Rename
	function from fegetexcept and make old name weak alias.
	* include/fenv.h: Declare __fegetexcept.
	* sysdeps/powerpc/fpu/fedisblxcpt.c: Use __fegetexcept instead of
	fegetexcept.
	* sysdeps/powerpc/fpu/feenablxcpt.c: Likewise.
	* sysdeps/powerpc/fpu/fraiseexcpt.c (__feraiseexcept): Avoid call
	to fetestexcept.
	* sysdeps/ieee754/ldbl-128ibm/s_log1pl.c (__log1pl): Use __frexpl
	instead of frexpl to avoid local PLT.
	* math/s_significandl.c (__significandl): Use __ilogbl instead of
	ilogbl to avoid local PLT.
	* sysdeps/ieee754/ldbl-128ibm/s_expm1l.c (__expm1l): Use __ldexpl
	instead of ldexpl to avoid local PLT.
	* sysdeps/ieee754/ldbl-128ibm/e_expl.c (__ieee754_expl): Use
	__roundl not roundl to avoid local PLT.
	* sysdeps/ieee754/ldbl-128/e_j0l.c: Use function names which avoid
	local PLTs.  Use __sincosl instead of separate sinl and cosl
	calls.
	* sysdeps/ieee754/ldbl-128/e_j1l.c: Likewise.
This commit is contained in:
Ulrich Drepper 2008-04-12 00:51:34 +00:00
parent 2dc4a2fd9e
commit 246ec41199
19 changed files with 388 additions and 74 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

30
ChangeLog
View File

@ -1,5 +1,35 @@
2008-04-11 Ulrich Drepper <drepper@redhat.com>
* sysdeps/powerpc/fpu/fenv_libc.h: Add libm_hidden_proto for
__fe_nomask_env.
* sysdeps/powerpc/fpu/fe_nomask.c: Add libm_hidden_def.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c: Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c: Likewise.
* sysdeps/powerpc/bits/fenv.h: Make safe for C++.
* sysdeps/unix/sysv/linux/powerpc/bits/mathinline.h: New file.
* sysdeps/powerpc/fpu/fegetexcept.c (__fegetexcept): Rename
function from fegetexcept and make old name weak alias.
* include/fenv.h: Declare __fegetexcept.
* sysdeps/powerpc/fpu/fedisblxcpt.c: Use __fegetexcept instead of
fegetexcept.
* sysdeps/powerpc/fpu/feenablxcpt.c: Likewise.
* sysdeps/powerpc/fpu/fraiseexcpt.c (__feraiseexcept): Avoid call
to fetestexcept.
* sysdeps/ieee754/ldbl-128ibm/s_log1pl.c (__log1pl): Use __frexpl
instead of frexpl to avoid local PLT.
* math/s_significandl.c (__significandl): Use __ilogbl instead of
ilogbl to avoid local PLT.
* sysdeps/ieee754/ldbl-128ibm/s_expm1l.c (__expm1l): Use __ldexpl
instead of ldexpl to avoid local PLT.
* sysdeps/ieee754/ldbl-128ibm/e_expl.c (__ieee754_expl): Use
__roundl not roundl to avoid local PLT.
* sysdeps/ieee754/ldbl-128/e_j0l.c: Use function names which avoid
local PLTs. Use __sincosl instead of separate sinl and cosl
calls.
* sysdeps/ieee754/ldbl-128/e_j1l.c: Likewise.
* sysdeps/unix/sysv/linux/configure.in: Bump minimal kernel
version for ppc64 to 2.4.21 since without it makecontext will fail.

1
include/fenv.h
View File

@ -4,6 +4,7 @@
/* Now define the internal interfaces. */
extern int __feclearexcept (int __excepts);
extern int __fegetexcept (void);
extern int __fegetexceptflag (fexcept_t *__flagp, int __excepts);
extern int __feraiseexcept (int __excepts);
extern int __fesetexceptflag (__const fexcept_t *__flagp, int __excepts);

2
math/s_significandl.c
View File

@ -34,6 +34,6 @@ static char rcsid[] = "$NetBSD: $";
long double x;
#endif
{
return __ieee754_scalbl(x,(long double) -ilogbl(x));
return __ieee754_scalbl(x,(long double) -__ilogbl(x));
}
weak_alias (__significandl, significandl)

16
sysdeps/ieee754/ldbl-128/e_j0l.c
View File

@ -768,16 +768,15 @@ __ieee754_j0l (long double x)
= 1/sqrt(2) * (sin(x) - cos(x))
sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))
cf. Fdlibm. */
c = cosl (xx);
s = sinl (xx);
__sincosl (xx, &s, &c);
ss = s - c;
cc = s + c;
z = -cosl (xx + xx);
z = -__cosl (xx + xx);
if ((s * c) < 0)
cc = z / ss;
else
ss = z / cc;
z = ONEOSQPI * (p * cc - q * ss) / sqrtl (xx);
z = ONEOSQPI * (p * cc - q * ss) / __ieee754_sqrtl (xx);
return z;
}
@ -836,7 +835,7 @@ long double
/* 0 <= x <= 2 */
z = xx * xx;
p = neval (z, Y0_2N, NY0_2N) / deval (z, Y0_2D, NY0_2D);
p = TWOOPI * logl(x) * __ieee754_j0l(x) + p;
p = TWOOPI * __ieee754_logl (x) * __ieee754_j0l (x) + p;
return p;
}
@ -908,15 +907,14 @@ long double
= 1/sqrt(2) * (sin(x) - cos(x))
sin(x) +- cos(x) = -cos(2x)/(sin(x) -+ cos(x))
cf. Fdlibm. */
c = cosl (x);
s = sinl (x);
__sincosl (x, &s, &c);
ss = s - c;
cc = s + c;
z = -cosl (x + x);
z = -__cosl (x + x);
if ((s * c) < 0)
cc = z / ss;
else
ss = z / cc;
z = ONEOSQPI * (p * ss + q * cc) / sqrtl (x);
z = ONEOSQPI * (p * ss + q * cc) / __ieee754_sqrtl (x);
return z;
}

16
sysdeps/ieee754/ldbl-128/e_j1l.c
View File

@ -773,16 +773,15 @@ __ieee754_j1l (long double x)
sin(X) = sin(x) cos(3 pi/4) - cos(x) sin(3 pi/4)
= -1/sqrt(2) * (sin(x) + cos(x))
cf. Fdlibm. */
c = cosl (xx);
s = sinl (xx);
__sincosl (xx, &s, &c);
ss = -s - c;
cc = s - c;
z = cosl (xx + xx);
z = __cosl (xx + xx);
if ((s * c) > 0)
cc = z / ss;
else
ss = z / cc;
z = ONEOSQPI * (p * cc - q * ss) / sqrtl (xx);
z = ONEOSQPI * (p * cc - q * ss) / __ieee754_sqrtl (xx);
if (x < 0)
z = -z;
return z;
@ -844,7 +843,7 @@ __ieee754_y1l (long double x)
z = xx * xx;
p = xx * neval (z, Y0_2N, NY0_2N) / deval (z, Y0_2D, NY0_2D);
p = -TWOOPI / xx + p;
p = TWOOPI * logl(x) * __ieee754_j1l (x) + p;
p = TWOOPI * __ieee754_logl (x) * __ieee754_j1l (x) + p;
return p;
}
@ -915,15 +914,14 @@ __ieee754_y1l (long double x)
sin(X) = sin(x) cos(3 pi/4) - cos(x) sin(3 pi/4)
= -1/sqrt(2) * (sin(x) + cos(x))
cf. Fdlibm. */
c = cosl (xx);
s = sinl (xx);
__sincosl (xx, &s, &c);
ss = -s - c;
cc = s - c;
z = cosl (xx + xx);
z = __cosl (xx + xx);
if ((s * c) > 0)
cc = z / ss;
else
ss = z / cc;
z = ONEOSQPI * (p * ss + q * cc) / sqrtl (xx);
z = ONEOSQPI * (p * ss + q * cc) / __ieee754_sqrtl (xx);
return z;
}

8
sysdeps/ieee754/ldbl-128ibm/e_expl.c
View File

@ -1,5 +1,5 @@
/* Quad-precision floating point e^x.
Copyright (C) 1999,2004,2006 Free Software Foundation, Inc.
Copyright (C) 1999,2004,2006, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Jakub Jelinek <jj@ultra.linux.cz>
Partly based on double-precision code
@ -148,15 +148,15 @@ __ieee754_expl (long double x)
fesetround (FE_TONEAREST);
#endif
n = roundl(x*M_1_LN2);
n = __roundl (x*M_1_LN2);
x = x-n*M_LN2_0;
xl = n*M_LN2_1;
tval1 = roundl(x*TWO8);
tval1 = __roundl (x*TWO8);
x -= __expl_table[T_EXPL_ARG1+2*tval1];
xl -= __expl_table[T_EXPL_ARG1+2*tval1+1];
tval2 = roundl(x*TWO15);
tval2 = __roundl (x*TWO15);
x -= __expl_table[T_EXPL_ARG2+2*tval2];
xl -= __expl_table[T_EXPL_ARG2+2*tval2+1];

2
sysdeps/ieee754/ldbl-128ibm/s_expm1l.c
View File

@ -152,7 +152,7 @@ __expm1l (long double x)
exp(x) - 1 = 2^k (qx + 1) - 1
= 2^k qx + 2^k - 1. */
px = ldexpl (1.0L, k);
px = __ldexpl (1.0L, k);
x = px * qx + (px - 1.0);
return x;
}

8
sysdeps/ieee754/ldbl-128ibm/s_log1pl.c
View File

@ -121,12 +121,6 @@ static const long double maxlog = 1.1356523406294143949491931077970764891253E4L;
static const long double big = 2e300L;
static const long double zero = 0.0L;
#if 1
/* Make sure these are prototyped. */
long double frexpl (long double, int *);
long double ldexpl (long double, int);
#endif
long double
__log1pl (long double xm1)
@ -161,7 +155,7 @@ __log1pl (long double xm1)
/* Separate mantissa from exponent. */
/* Use frexp used so that denormal numbers will be handled properly. */
x = frexpl (x, &e);
x = __frexpl (x, &e);
/* Logarithm using log(x) = z + z^3 P(z^2)/Q(z^2),
where z = 2(x-1)/x+1). */

7
sysdeps/powerpc/bits/fenv.h
View File

@ -1,4 +1,4 @@
/* Copyright (C) 1997, 1998, 1999 Free Software Foundation, Inc.
/* Copyright (C) 1997, 1998, 1999, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -136,6 +136,8 @@ extern const fenv_t __fe_enabled_env;
extern const fenv_t __fe_nonieee_env;
# define FE_NONIEEE_ENV (&__fe_nonieee_env)
__BEGIN_DECLS
/* Floating-point environment with all exceptions enabled. Note that
just evaluating this value does not change the processor exception mode.
Passing this mask to fesetenv will result in a prctl syscall to change
@ -152,4 +154,7 @@ extern const fenv_t *__fe_nomask_env (void);
this allows the fastest possible floating point execution.*/
extern const fenv_t *__fe_mask_env (void);
# define FE_MASK_ENV FE_DFL_ENV
__END_DECLS
#endif

5
sysdeps/powerpc/fpu/fe_nomask.c
View File

@ -1,5 +1,5 @@
/* Procedure definition for FE_NOMASK_ENV.
Copyright (C) 1997 Free Software Foundation, Inc.
Copyright (C) 1997, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -17,7 +17,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <fenv.h>
#include <fenv_libc.h>
#include <errno.h>
/* This is a generic stub. An OS specific override is required to set
@ -30,4 +30,5 @@ __fe_nomask_env(void)
__set_errno (ENOSYS);
return FE_ENABLED_ENV;
}
libm_hidden_def (__fe_nomask_env)
stub_warning (__fe_nomask_env)

6
sysdeps/powerpc/fpu/fedisblxcpt.c
View File

@ -1,5 +1,5 @@
/* Disable floating-point exceptions.
Copyright (C) 2000 Free Software Foundation, Inc.
Copyright (C) 2000, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Geoffrey Keating <geoffk@geoffk.org>, 2000.
@ -26,7 +26,7 @@ fedisableexcept (int excepts)
fenv_union_t fe;
int result, new;
result = fegetexcept ();
result = __fegetexcept ();
if ((excepts & FE_ALL_INVALID) == FE_ALL_INVALID)
excepts = (excepts | FE_INVALID) & ~ FE_ALL_INVALID;
@ -44,7 +44,7 @@ fedisableexcept (int excepts)
fe.l[1] &= ~(1 << (31 - FPSCR_VE));
fesetenv_register (fe.fenv);
new = fegetexcept ();
new = __fegetexcept ();
if (new == 0 && result != 0)
(void)__fe_mask_env ();

6
sysdeps/powerpc/fpu/feenablxcpt.c
View File

@ -1,5 +1,5 @@
/* Enable floating-point exceptions.
Copyright (C) 2000 Free Software Foundation, Inc.
Copyright (C) 2000, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Geoffrey Keating <geoffk@geoffk.org>, 2000.
@ -26,7 +26,7 @@ feenableexcept (int excepts)
fenv_union_t fe;
int result, new;
result = fegetexcept ();
result = __fegetexcept ();
if ((excepts & FE_ALL_INVALID) == FE_ALL_INVALID)
excepts = (excepts | FE_INVALID) & ~ FE_ALL_INVALID;
@ -44,7 +44,7 @@ feenableexcept (int excepts)
fe.l[1] |= (1 << (31 - FPSCR_VE));
fesetenv_register (fe.fenv);
new = fegetexcept ();
new = __fegetexcept ();
if (new != 0 && result == 0)
(void)__fe_nomask_env ();

7
sysdeps/powerpc/fpu/fegetexcept.c
View File

@ -1,5 +1,5 @@
/* Get floating-point exceptions.
Copyright (C) 2000 Free Software Foundation, Inc.
Copyright (C) 2000, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Geoffrey Keating <geoffk@geoffk.org>, 2000.
@ -21,13 +21,13 @@
#include <fenv_libc.h>
int
fegetexcept (void)
__fegetexcept (void)
{
fenv_union_t fe;
int result = 0;
fe.fenv = fegetenv_register ();
if (fe.l[1] & (1 << (31 - FPSCR_XE)))
result |= FE_INEXACT;
if (fe.l[1] & (1 << (31 - FPSCR_ZE)))
@ -41,3 +41,4 @@ fegetexcept (void)
return result;
}
weak_alias (__fegetexcept, fegetexcept)

6
sysdeps/powerpc/fpu/fenv_libc.h
View File

@ -1,5 +1,5 @@
/* Internal libc stuff for floating point environment routines.
Copyright (C) 1997, 2006 Free Software Foundation, Inc.
Copyright (C) 1997, 2006, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -22,6 +22,8 @@
#include <fenv.h>
libm_hidden_proto (__fe_nomask_env)
/* The sticky bits in the FPSCR indicating exceptions have occurred. */
#define FPSCR_STICKY_BITS ((FE_ALL_EXCEPT | FE_ALL_INVALID) & ~FE_INVALID)
@ -137,5 +139,5 @@ enum {
({ float f; asm volatile ("fmuls %0,%1,%2" \
: "=f"(f) \
: "f" (x), "f"((float)1.0)); f; })
#endif /* fenv_libc.h */

11
sysdeps/powerpc/fpu/fraiseexcpt.c
View File

@ -1,5 +1,5 @@
/* Raise given exceptions.
Copyright (C) 1997,99,2000,01,02 Free Software Foundation, Inc.
Copyright (C) 1997,1999-2002, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -45,12 +45,15 @@ __feraiseexcept (int excepts)
triggering any appropriate exceptions. */
fesetenv_register (u.fenv);
if ((excepts & FE_INVALID)
if ((excepts & FE_INVALID))
{
/* For some reason, some PowerPC chips (the 601, in particular)
don't have FE_INVALID_SOFTWARE implemented. Detect this
case and raise FE_INVALID_SNAN instead. */
&& !fetestexcept (FE_INVALID))
set_fpscr_bit (FPSCR_VXSNAN);
u.fenv = fegetenv_register ();
if ((u.l[1] & FE_INVALID) == 0)
set_fpscr_bit (FPSCR_VXSNAN);
}
/* Success. */
return 0;

191
sysdeps/unix/sysv/linux/configure vendored
View File

@ -22,23 +22,170 @@ if test -n "$sysheaders"; then
fi
echo "$as_me:$LINENO: checking for egrep" >&5
echo $ECHO_N "checking for egrep... $ECHO_C" >&6
if test "${ac_cv_prog_egrep+set}" = set; then
{ echo "$as_me:$LINENO: checking for grep that handles long lines and -e" >&5
echo $ECHO_N "checking for grep that handles long lines and -e... $ECHO_C" >&6; }
if test "${ac_cv_path_GREP+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
if echo a | (grep -E '(a|b)') >/dev/null 2>&1
then ac_cv_prog_egrep='grep -E'
else ac_cv_prog_egrep='egrep'
# Extract the first word of "grep ggrep" to use in msg output
if test -z "$GREP"; then
set dummy grep ggrep; ac_prog_name=$2
if test "${ac_cv_path_GREP+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
ac_path_GREP_found=false
# Loop through the user's path and test for each of PROGNAME-LIST
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
do
IFS=$as_save_IFS
test -z "$as_dir" && as_dir=.
for ac_prog in grep ggrep; do
for ac_exec_ext in '' $ac_executable_extensions; do
ac_path_GREP="$as_dir/$ac_prog$ac_exec_ext"
{ test -f "$ac_path_GREP" && $as_test_x "$ac_path_GREP"; } || continue
# Check for GNU ac_path_GREP and select it if it is found.
# Check for GNU $ac_path_GREP
case `"$ac_path_GREP" --version 2>&1` in
*GNU*)
ac_cv_path_GREP="$ac_path_GREP" ac_path_GREP_found=:;;
*)
ac_count=0
echo $ECHO_N "0123456789$ECHO_C" >"conftest.in"
while :
do
cat "conftest.in" "conftest.in" >"conftest.tmp"
mv "conftest.tmp" "conftest.in"
cp "conftest.in" "conftest.nl"
echo 'GREP' >> "conftest.nl"
"$ac_path_GREP" -e 'GREP$' -e '-(cannot match)-' < "conftest.nl" >"conftest.out" 2>/dev/null || break
diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
ac_count=`expr $ac_count + 1`
if test $ac_count -gt ${ac_path_GREP_max-0}; then
# Best one so far, save it but keep looking for a better one
ac_cv_path_GREP="$ac_path_GREP"
ac_path_GREP_max=$ac_count
fi
# 10*(2^10) chars as input seems more than enough
test $ac_count -gt 10 && break
done
rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
esac
$ac_path_GREP_found && break 3
done
done
done
IFS=$as_save_IFS
fi
GREP="$ac_cv_path_GREP"
if test -z "$GREP"; then
{ { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
{ (exit 1); exit 1; }; }
fi
else
ac_cv_path_GREP=$GREP
fi
echo "$as_me:$LINENO: result: $ac_cv_prog_egrep" >&5
echo "${ECHO_T}$ac_cv_prog_egrep" >&6
EGREP=$ac_cv_prog_egrep
echo "$as_me:$LINENO: checking installed Linux kernel header files" >&5
echo $ECHO_N "checking installed Linux kernel header files... $ECHO_C" >&6
fi
{ echo "$as_me:$LINENO: result: $ac_cv_path_GREP" >&5
echo "${ECHO_T}$ac_cv_path_GREP" >&6; }
GREP="$ac_cv_path_GREP"
{ echo "$as_me:$LINENO: checking for egrep" >&5
echo $ECHO_N "checking for egrep... $ECHO_C" >&6; }
if test "${ac_cv_path_EGREP+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
if echo a | $GREP -E '(a|b)' >/dev/null 2>&1
then ac_cv_path_EGREP="$GREP -E"
else
# Extract the first word of "egrep" to use in msg output
if test -z "$EGREP"; then
set dummy egrep; ac_prog_name=$2
if test "${ac_cv_path_EGREP+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
ac_path_EGREP_found=false
# Loop through the user's path and test for each of PROGNAME-LIST
as_save_IFS=$IFS; IFS=$PATH_SEPARATOR
for as_dir in $PATH$PATH_SEPARATOR/usr/xpg4/bin
do
IFS=$as_save_IFS
test -z "$as_dir" && as_dir=.
for ac_prog in egrep; do
for ac_exec_ext in '' $ac_executable_extensions; do
ac_path_EGREP="$as_dir/$ac_prog$ac_exec_ext"
{ test -f "$ac_path_EGREP" && $as_test_x "$ac_path_EGREP"; } || continue
# Check for GNU ac_path_EGREP and select it if it is found.
# Check for GNU $ac_path_EGREP
case `"$ac_path_EGREP" --version 2>&1` in
*GNU*)
ac_cv_path_EGREP="$ac_path_EGREP" ac_path_EGREP_found=:;;
*)
ac_count=0
echo $ECHO_N "0123456789$ECHO_C" >"conftest.in"
while :
do
cat "conftest.in" "conftest.in" >"conftest.tmp"
mv "conftest.tmp" "conftest.in"
cp "conftest.in" "conftest.nl"
echo 'EGREP' >> "conftest.nl"
"$ac_path_EGREP" 'EGREP$' < "conftest.nl" >"conftest.out" 2>/dev/null || break
diff "conftest.out" "conftest.nl" >/dev/null 2>&1 || break
ac_count=`expr $ac_count + 1`
if test $ac_count -gt ${ac_path_EGREP_max-0}; then
# Best one so far, save it but keep looking for a better one
ac_cv_path_EGREP="$ac_path_EGREP"
ac_path_EGREP_max=$ac_count
fi
# 10*(2^10) chars as input seems more than enough
test $ac_count -gt 10 && break
done
rm -f conftest.in conftest.tmp conftest.nl conftest.out;;
esac
$ac_path_EGREP_found && break 3
done
done
done
IFS=$as_save_IFS
fi
EGREP="$ac_cv_path_EGREP"
if test -z "$EGREP"; then
{ { echo "$as_me:$LINENO: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&5
echo "$as_me: error: no acceptable $ac_prog_name could be found in $PATH$PATH_SEPARATOR/usr/xpg4/bin" >&2;}
{ (exit 1); exit 1; }; }
fi
else
ac_cv_path_EGREP=$EGREP
fi
fi
fi
{ echo "$as_me:$LINENO: result: $ac_cv_path_EGREP" >&5
echo "${ECHO_T}$ac_cv_path_EGREP" >&6; }
EGREP="$ac_cv_path_EGREP"
{ echo "$as_me:$LINENO: checking installed Linux kernel header files" >&5
echo $ECHO_N "checking installed Linux kernel header files... $ECHO_C" >&6; }
if test "${libc_cv_linux2010+set}" = set; then
echo $ECHO_N "(cached) $ECHO_C" >&6
else
@ -62,8 +209,8 @@ fi
rm -f conftest*
fi
echo "$as_me:$LINENO: result: $libc_cv_linux2010" >&5
echo "${ECHO_T}$libc_cv_linux2010" >&6
{ echo "$as_me:$LINENO: result: $libc_cv_linux2010" >&5
echo "${ECHO_T}$libc_cv_linux2010" >&6; }
if test "$libc_cv_linux2010" != '2.0.10 or later'; then
{ { echo "$as_me:$LINENO: error: GNU libc requires kernel header files from
Linux 2.0.10 or later to be installed before configuring.
@ -120,7 +267,7 @@ case "$machine" in
arch_minimum_kernel=2.0.10
;;
powerpc/powerpc64)
arch_minimum_kernel=2.4.19
arch_minimum_kernel=2.4.21
;;
s390/s390-32)
libc_cv_gcc_unwind_find_fde=yes
@ -166,8 +313,8 @@ else
fi
if test -n "$minimum_kernel"; then
echo "$as_me:$LINENO: checking for kernel header at least $minimum_kernel" >&5
echo $ECHO_N "checking for kernel header at least $minimum_kernel... $ECHO_C" >&6
{ echo "$as_me:$LINENO: checking for kernel header at least $minimum_kernel" >&5
echo $ECHO_N "checking for kernel header at least $minimum_kernel... $ECHO_C" >&6; }
decnum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/(\1 * 65536 + \2 * 256 + \3)/'`;
abinum=`echo "$minimum_kernel.0.0.0" | sed 's/\([0-9]*\)\.\([0-9]*\)\.\([0-9]*\).*/\1,\2,\3/'`;
cat >conftest.$ac_ext <<_ACEOF
@ -189,8 +336,8 @@ else
fi
rm -f conftest*
echo "$as_me:$LINENO: result: $libc_minimum_kernel" >&5
echo "${ECHO_T}$libc_minimum_kernel" >&6
{ echo "$as_me:$LINENO: result: $libc_minimum_kernel" >&5
echo "${ECHO_T}$libc_minimum_kernel" >&6; }
if test "$libc_minimum_kernel" = ok; then
cat >>confdefs.h <<_ACEOF
#define __LINUX_KERNEL_VERSION $decnum
@ -333,8 +480,8 @@ if test $host = $build; then
else
ac_prefix=$ac_default_prefix
fi
echo "$as_me:$LINENO: checking for symlinks in ${ac_prefix}/include" >&5
echo $ECHO_N "checking for symlinks in ${ac_prefix}/include... $ECHO_C" >&6
{ echo "$as_me:$LINENO: checking for symlinks in ${ac_prefix}/include" >&5
echo $ECHO_N "checking for symlinks in ${ac_prefix}/include... $ECHO_C" >&6; }
ac_message=
if test -L ${ac_prefix}/include/net; then
ac_message="$ac_message
@ -355,8 +502,8 @@ Delete the links and re-run configure, or better still, move the entire
${ac_prefix}/include directory out of the way." >&2;}
{ (exit 1); exit 1; }; }
else
echo "$as_me:$LINENO: result: ok" >&5
echo "${ECHO_T}ok" >&6
{ echo "$as_me:$LINENO: result: ok" >&5
echo "${ECHO_T}ok" >&6; }
fi
fi

132
sysdeps/unix/sysv/linux/powerpc/bits/mathinline.h Normal file
View File

@ -0,0 +1,132 @@
/* Inline math functions for powerpc.
Copyright (C) 1995, 1996, 1997, 1998, 1999, 2000, 2004, 2006, 2007, 2008
Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
The GNU C Library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with the GNU C Library; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#ifndef _MATH_H
# error "Never use <bits/mathinline.h> directly; include <math.h> instead."
#endif
#ifndef __extern_inline
# define __MATH_INLINE __inline
#else
# define __MATH_INLINE __extern_inline
#endif /* __cplusplus */
#if defined __GNUC__ && !defined _SOFT_FLOAT
#ifdef __USE_ISOC99
# if !__GNUC_PREREQ (2,97)
# define __unordered_cmp(x, y) \
(__extension__ \
({ __typeof__(x) __x = (x); __typeof__(y) __y = (y); \
unsigned __r; \
__asm__("fcmpu 7,%1,%2 ; mfcr %0" : "=r" (__r) : "f" (__x), "f"(__y) \
: "cr7"); \
__r; }))
# undef isgreater
# undef isgreaterequal
# undef isless
# undef islessequal
# undef islessgreater
# undef isunordered
# define isgreater(x, y) (__unordered_cmp (x, y) >> 2 & 1)
# define isgreaterequal(x, y) ((__unordered_cmp (x, y) & 6) != 0)
# define isless(x, y) (__unordered_cmp (x, y) >> 3 & 1)
# define islessequal(x, y) ((__unordered_cmp (x, y) & 0xA) != 0)
# define islessgreater(x, y) ((__unordered_cmp (x, y) & 0xC) != 0)
# define isunordered(x, y) (__unordered_cmp (x, y) & 1)
# endif /* __GNUC_PREREQ (2,97) */
/* The gcc, version 2.7 or below, has problems with all this inlining
code. So disable it for this version of the compiler. */
# if __GNUC_PREREQ (2, 8)
/* Test for negative number. Used in the signbit() macro. */
__MATH_INLINE int
__NTH (__signbitf (float __x))
{
__extension__ union { float __f; int __i; } __u = { __f: __x };
return __u.__i < 0;
}
__MATH_INLINE int
__NTH (__signbit (double __x))
{
__extension__ union { double __d; int __i[2]; } __u = { __d: __x };
return __u.__i[0] < 0;
}
# if defined __powerpc64__ && defined __LONGDOUBLE128
__MATH_INLINE int
__NTH (__signbitl (long double __x))
{
__extension__ union { long double __d; long int __i[2]; } __u = { __d: __x };
return __u.__i[0] < 0;
}
# endif
# endif
#endif /* __USE_ISOC99 */
#if !defined __NO_MATH_INLINES && defined __OPTIMIZE__
#ifdef __USE_ISOC99
# ifndef __powerpc64__
__MATH_INLINE long int lrint (double __x) __THROW;
__MATH_INLINE long int
__NTH (lrint (double __x))
{
union {
double __d;
int __ll[2];
} __u;
__asm__ ("fctiw %0,%1" : "=f"(__u.__d) : "f"(__x));
return __u.__ll[1];
}
__MATH_INLINE long int lrintf (float __x) __THROW;
__MATH_INLINE long int
__NTH (lrintf (float __x))
{
union {
double __d;
int __ll[2];
} __u;
__asm__ ("fctiw %0,%1" : "=f"(__u.__d) : "f"(__x));
return __u.__ll[1];
}
# endif
__MATH_INLINE double fdim (double __x, double __y) __THROW;
__MATH_INLINE double
__NTH (fdim (double __x, double __y))
{
return __x <= __y ? 0 : __x - __y;
}
__MATH_INLINE float fdimf (float __x, float __y) __THROW;
__MATH_INLINE float
__NTH (fdimf (float __x, float __y))
{
return __x <= __y ? 0 : __x - __y;
}
#endif /* __USE_ISOC99 */
#endif /* !__NO_MATH_INLINES && __OPTIMIZE__ */
#endif /* __GNUC__ && !_SOFT_FLOAT */

3
sysdeps/unix/sysv/linux/powerpc/powerpc32/fpu/fe_nomask.c
View File

@ -1,5 +1,5 @@
/* Procedure definition for FE_NOMASK_ENV for Linux/ppc.
Copyright (C) 2000, 2006 Free Software Foundation, Inc.
Copyright (C) 2000, 2006, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -66,3 +66,4 @@ __fe_nomask_env (void)
return FE_ENABLED_ENV;
}
libm_hidden_def (__fe_nomask_env)

5
sysdeps/unix/sysv/linux/powerpc/powerpc64/fpu/fe_nomask.c
View File

@ -1,5 +1,5 @@
/* Procedure definition for FE_NOMASK_ENV for Linux/ppc64.
Copyright (C) 2003, 2006 Free Software Foundation, Inc.
Copyright (C) 2003, 2006, 2008 Free Software Foundation, Inc.
This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or
@ -17,7 +17,7 @@
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
#include <fenv.h>
#include <fenv_libc.h>
#include <errno.h>
#include <sysdep.h>
#include <sys/syscall.h>
@ -41,3 +41,4 @@ __fe_nomask_env (void)
#endif
return FE_ENABLED_ENV;
}
libm_hidden_def (__fe_nomask_env)