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re PR bootstrap/26055 (libgcc-math declaration of __isinf conflicts with system header, fails bootstrap) 

2006-02-28  Richard Guenther  <rguenther@suse.de>

	PR bootstrap/26055
	Revert
	* configure.ac: Disable libgcc-math if we cannot mix
	declaration of __isinf and math.h inclusion.
	* configure: Re-generate.

	* i386/Makefile.am: Use -std=c99, do not use -ffinite-math-only,
	do not define __NO_MATH_INLINES.
	* i386/Makefile.in: Re-generate.
	* include/math_private.h (__atanf): Declare.
	(__scalbnf): Likewise.
	(__floorf): Likewise.
	(__isinff): Likewise.
	(__scalbn): Likewise.
	(__floor): Likewise.
	(fabs): Likewise.
	(fabsf): Likewise.
	* flt-32/e_acosf.c: Do not include math.h
	* flt-32/s_isinff.c: Likewise.
	* flt-32/k_tanf.c: Likewise.
	* flt-32/e_sqrtf.c: Likewise.
	* flt-32/e_asinf.c: Likewise.
	* flt-32/k_cosf.c: Likewise.
	* flt-32/k_sinf.c: Likewise.
	* flt-32/s_floorf.c: Likewise.
	* flt-32/s_tanf.c: Likewise.
	* flt-32/s_atanf.c: Likewise.
	* flt-32/s_cosf.c: Likewise.
	* flt-32/e_atan2f.c: Likewise.
	* flt-32/e_powf.c: Likewise.
	* flt-32/s_sinf.c: Likewise.
	* flt-32/e_rem_pio2f.c: Likewise.
	* flt-32/s_scalbnf.c: Likewise.
	* flt-32/e_logf.c: Likewise.
	* flt-32/e_log10f.c: Likewise.
	* flt-32/k_rem_pio2f.c: Likewise.
	* flt-32/e_expf.c: Likewise.  Use __builtin_isless and
	__builtin_isgreater.
	* dbl-64/s_floor.c: Do not include math.h.
	* dbl-64/e_log10.c: Likewise.
	* dbl-64/k_rem_pio2.c: Likewise.
	* dbl-64/s_atan.c: Likewise.
	* dbl-64/s_scalbn.c: Likewise.
	* dbl-64/s_isinf.c: Likewise.
	* dbl-64/s_tan.c: Likewise.
	* dbl-64/e_rem_pio2.c: Likewise.  Avoid uninitialized variable
	warning.
	* dbl-64/mpa.c: Likewise.

From-SVN: r111563
This commit is contained in:
Richard Guenther 2006-02-28 11:29:41 +00:00 committed by Richard Biener
parent 8cd25827df
commit 6ff68ac318
35 changed files with 72 additions and 130 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

51
libgcc-math/ChangeLog
View File

@ -1,3 +1,54 @@
2006-02-28 Richard Guenther <rguenther@suse.de>
PR bootstrap/26055
Revert
* configure.ac: Disable libgcc-math if we cannot mix
declaration of __isinf and math.h inclusion.
* configure: Re-generate.
* i386/Makefile.am: Use -std=c99, do not use -ffinite-math-only,
do not define __NO_MATH_INLINES.
* i386/Makefile.in: Re-generate.
* include/math_private.h (__atanf): Declare.
(__scalbnf): Likewise.
(__floorf): Likewise.
(__isinff): Likewise.
(__scalbn): Likewise.
(__floor): Likewise.
(fabs): Likewise.
(fabsf): Likewise.
* flt-32/e_acosf.c: Do not include math.h
* flt-32/s_isinff.c: Likewise.
* flt-32/k_tanf.c: Likewise.
* flt-32/e_sqrtf.c: Likewise.
* flt-32/e_asinf.c: Likewise.
* flt-32/k_cosf.c: Likewise.
* flt-32/k_sinf.c: Likewise.
* flt-32/s_floorf.c: Likewise.
* flt-32/s_tanf.c: Likewise.
* flt-32/s_atanf.c: Likewise.
* flt-32/s_cosf.c: Likewise.
* flt-32/e_atan2f.c: Likewise.
* flt-32/e_powf.c: Likewise.
* flt-32/s_sinf.c: Likewise.
* flt-32/e_rem_pio2f.c: Likewise.
* flt-32/s_scalbnf.c: Likewise.
* flt-32/e_logf.c: Likewise.
* flt-32/e_log10f.c: Likewise.
* flt-32/k_rem_pio2f.c: Likewise.
* flt-32/e_expf.c: Likewise. Use __builtin_isless and
__builtin_isgreater.
* dbl-64/s_floor.c: Do not include math.h.
* dbl-64/e_log10.c: Likewise.
* dbl-64/k_rem_pio2.c: Likewise.
* dbl-64/s_atan.c: Likewise.
* dbl-64/s_scalbn.c: Likewise.
* dbl-64/s_isinf.c: Likewise.
* dbl-64/s_tan.c: Likewise.
* dbl-64/e_rem_pio2.c: Likewise. Avoid uninitialized variable
warning.
* dbl-64/mpa.c: Likewise.
2006-02-08 Richard Guenther <rguenther@suse.de>
* dbl-64/mpa.c: Do not include sys/param.h.

70
libgcc-math/configure vendored
View File

@ -7661,73 +7661,6 @@ fi
# Check for target library dependencies
cannot_build=no
echo "$as_me:$LINENO: checking whether math.h conflicts with defining __isinf" >&5
echo $ECHO_N "checking whether math.h conflicts with defining __isinf... $ECHO_C" >&6
cat >conftest.$ac_ext <<_ACEOF
/* confdefs.h. */
_ACEOF
cat confdefs.h >>conftest.$ac_ext
cat >>conftest.$ac_ext <<_ACEOF
/* end confdefs.h. */
#include "math.h"
int __isinf (double x)
{
}
int
main ()
{
return __isinf (1.0);
;
return 0;
}
_ACEOF
rm -f conftest.$ac_objext conftest$ac_exeext
if { (eval echo "$as_me:$LINENO: \"$ac_link\"") >&5
(eval $ac_link) 2>conftest.er1
ac_status=$?
grep -v '^ *+' conftest.er1 >conftest.err
rm -f conftest.er1
cat conftest.err >&5
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); } &&
{ ac_try='test -z "$ac_c_werror_flag"
|| test ! -s conftest.err'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; } &&
{ ac_try='test -s conftest$ac_exeext'
{ (eval echo "$as_me:$LINENO: \"$ac_try\"") >&5
(eval $ac_try) 2>&5
ac_status=$?
echo "$as_me:$LINENO: \$? = $ac_status" >&5
(exit $ac_status); }; }; then
echo "$as_me:$LINENO: result: no" >&5
echo "${ECHO_T}no" >&6
else
echo "$as_me: failed program was:" >&5
sed 's/^/| /' conftest.$ac_ext >&5
echo "$as_me:$LINENO: result: yes" >&5
echo "${ECHO_T}yes" >&6
cannot_build=yes
fi
rm -f conftest.err conftest.$ac_objext \
conftest$ac_exeext conftest.$ac_ext
# Now check which parts we include in the library.
arch_subdirs=
@ -7745,9 +7678,6 @@ esac
if test "$cannot_build" = "yes"; then
arch_subdirs=
fi
if test "x$arch_subdirs" != x; then

22
libgcc-math/configure.ac
View File

@ -125,25 +125,6 @@ fi
GCC_HEADER_STDINT(gstdint.h)
# Check for target library dependencies
cannot_build=no
AC_MSG_CHECKING([whether math.h conflicts with defining __isinf])
AC_TRY_LINK([
#include "math.h"
int __isinf (double x)
{
}
], [
return __isinf (1.0);
], [
AC_MSG_RESULT([no])
], [
AC_MSG_RESULT([yes])
cannot_build=yes
])
# Now check which parts we include in the library.
arch_subdirs=
@ -161,9 +142,6 @@ esac
AC_SUBST(arch_subdirs)
AC_SUBST(arch_libraries)
AC_SUBST(arch_maps)
if test "$cannot_build" = "yes"; then
arch_subdirs=
fi
AM_CONDITIONAL(BUILD_LIBGCC_MATH, [test "x$arch_subdirs" != x])

1
libgcc-math/dbl-64/e_log10.c
View File

@ -47,7 +47,6 @@ static char rcsid[] = "$NetBSD: e_log10.c,v 1.9 1995/05/10 20:45:51 jtc Exp $";
* shown.
*/
#include "math.h"
#include "math_private.h"
#ifdef __STDC__

3
libgcc-math/dbl-64/e_rem_pio2.c
View File

@ -20,7 +20,6 @@ static char rcsid[] = "$NetBSD: e_rem_pio2.c,v 1.8 1995/05/10 20:46:02 jtc Exp $
* use __kernel_rem_pio2()
*/
#include "math.h"
#include "math_private.h"
/*
@ -90,7 +89,7 @@ pio2_3t = 8.47842766036889956997e-32; /* 0x397B839A, 0x252049C1 */
double x,y[];
#endif
{
double z,w,t,r,fn;
double z=z,w,t,r,fn;
double tx[3];
int32_t e0,i,j,nx,n,ix,hx;
uint32_t low;

1
libgcc-math/dbl-64/k_rem_pio2.c
View File

@ -130,7 +130,6 @@ static char rcsid[] = "$NetBSD: k_rem_pio2.c,v 1.7 1995/05/10 20:46:25 jtc Exp $
* to produce the hexadecimal values shown.
*/
#include "math.h"
#include "math_private.h"
#ifdef __STDC__

2
libgcc-math/dbl-64/mpa.c
View File

@ -132,7 +132,7 @@ static void norm(const mp_no *x, double *y, int p)
#if 0
int k;
#endif
double a,c,u,v,z[5];
double a,c=c,u,v,z[5];
if (p<5) {
if (p==1) c = X[1];
else if (p==2) c = X[1] + R* X[2];

1
libgcc-math/dbl-64/s_atan.c
View File

@ -42,7 +42,6 @@
#include "MathLib.h"
#include "uatan.tbl"
#include "atnat.h"
#include "math.h"
void __mpatan(mp_no *,mp_no *,int); /* see definition in mpatan.c */
static double atanMp(double,const int[]);

1
libgcc-math/dbl-64/s_floor.c
View File

@ -23,7 +23,6 @@ static char rcsid[] = "$NetBSD: s_floor.c,v 1.8 1995/05/10 20:47:20 jtc Exp $";
* Inexact flag raised if x not equal to floor(x).
*/
#include "math.h"
#include "math_private.h"
#ifdef __STDC__

1
libgcc-math/dbl-64/s_isinf.c
View File

@ -13,7 +13,6 @@ static char rcsid[] = "$NetBSD: s_isinf.c,v 1.3 1995/05/11 23:20:14 jtc Exp $";
* no branching!
*/
#include "math.h"
#include "math_private.h"
int

1
libgcc-math/dbl-64/s_scalbn.c
View File

@ -21,7 +21,6 @@ static char rcsid[] = "$NetBSD: s_scalbn.c,v 1.8 1995/05/10 20:48:08 jtc Exp $";
* exponentiation or a multiplication.
*/
#include "math.h"
#include "math_private.h"
#ifdef __STDC__

1
libgcc-math/dbl-64/s_tan.c
View File

@ -37,7 +37,6 @@
#include "dla.h"
#include "mpa.h"
#include "MathLib.h"
#include "math.h"
static double tanMp(double);
void __mptan(double, mp_no *, int);

1
libgcc-math/flt-32/e_acosf.c
View File

@ -17,7 +17,6 @@
static char rcsid[] = "$NetBSD: e_acosf.c,v 1.5 1995/05/12 04:57:16 jtc Exp $";
#endif
#include "math.h"
#include "math_private.h"
#ifdef __STDC__

1
libgcc-math/flt-32/e_asinf.c
View File

@ -39,7 +39,6 @@
static char rcsid[] = "$NetBSD: e_asinf.c,v 1.5 1995/05/12 04:57:25 jtc Exp $";
#endif
#include "math.h"
#include "math_private.h"
#ifdef __STDC__

1
libgcc-math/flt-32/e_atan2f.c
View File

@ -17,7 +17,6 @@
static char rcsid[] = "$NetBSD: e_atan2f.c,v 1.4 1995/05/10 20:44:53 jtc Exp $";
#endif
#include "math.h"
#include "math_private.h"
#ifdef __STDC__

5
libgcc-math/flt-32/e_expf.c
View File

@ -52,7 +52,6 @@
#endif
#include <float.h>
#include <ieee754.h>
#include <math.h>
#include <math_private.h>
extern const float __exp_deltatable[178];
@ -67,7 +66,7 @@ __ieee754_expf (float x)
static const float himark = 88.72283935546875;
static const float lomark = -103.972084045410;
/* Check for usual case. */
if (isless (x, himark) && isgreater (x, lomark))
if (__builtin_isless (x, himark) && __builtin_isgreater (x, lomark))
{
static const float THREEp42 = 13194139533312.0;
static const float THREEp22 = 12582912.0;
@ -115,7 +114,7 @@ __ieee754_expf (float x)
return (float) result;
}
/* Exceptional cases: */
else if (isless (x, himark))
else if (__builtin_isless (x, himark))
{
if (__isinff (x))
/* e^-inf == 0, with no error. */

1
libgcc-math/flt-32/e_log10f.c
View File

@ -17,7 +17,6 @@
static char rcsid[] = "$NetBSD: e_log10f.c,v 1.5 1995/05/10 20:45:53 jtc Exp $";
#endif
#include "math.h"
#include "math_private.h"
#ifdef __STDC__

1
libgcc-math/flt-32/e_logf.c
View File

@ -17,7 +17,6 @@
static char rcsid[] = "$NetBSD: e_logf.c,v 1.4 1995/05/10 20:45:54 jtc Exp $";
#endif
#include "math.h"
#include "math_private.h"
#ifdef __STDC__

1
libgcc-math/flt-32/e_powf.c
View File

@ -17,7 +17,6 @@
static char rcsid[] = "$NetBSD: e_powf.c,v 1.7 1996/04/08 15:43:44 phil Exp $";
#endif
#include "math.h"
#include "math_private.h"
static const float huge = 1.0e+30, tiny = 1.0e-30;

1
libgcc-math/flt-32/e_rem_pio2f.c
View File

@ -23,7 +23,6 @@ static char rcsid[] = "$NetBSD: e_rem_pio2f.c,v 1.5 1995/05/10 20:46:03 jtc Exp
* use __kernel_rem_pio2f()
*/
#include "math.h"
#include "math_private.h"
/*

1
libgcc-math/flt-32/e_sqrtf.c
View File

@ -17,7 +17,6 @@
static char rcsid[] = "$NetBSD: e_sqrtf.c,v 1.4 1995/05/10 20:46:19 jtc Exp $";
#endif
#include "math.h"
#include "math_private.h"
#ifdef __STDC__

1
libgcc-math/flt-32/k_cosf.c
View File

@ -17,7 +17,6 @@
static char rcsid[] = "$NetBSD: k_cosf.c,v 1.4 1995/05/10 20:46:23 jtc Exp $";
#endif
#include "math.h"
#include "math_private.h"
#ifdef __STDC__

1
libgcc-math/flt-32/k_rem_pio2f.c
View File

@ -17,7 +17,6 @@
static char rcsid[] = "$NetBSD: k_rem_pio2f.c,v 1.4 1995/05/10 20:46:28 jtc Exp $";
#endif
#include "math.h"
#include "math_private.h"
/* In the float version, the input parameter x contains 8 bit

1
libgcc-math/flt-32/k_sinf.c
View File

@ -17,7 +17,6 @@
static char rcsid[] = "$NetBSD: k_sinf.c,v 1.4 1995/05/10 20:46:33 jtc Exp $";
#endif
#include "math.h"
#include "math_private.h"
#ifdef __STDC__

1
libgcc-math/flt-32/k_tanf.c
View File

@ -17,7 +17,6 @@
static char rcsid[] = "$NetBSD: k_tanf.c,v 1.4 1995/05/10 20:46:39 jtc Exp $";
#endif
#include "math.h"
#include "math_private.h"
#ifdef __STDC__
static const float

1
libgcc-math/flt-32/s_atanf.c
View File

@ -17,7 +17,6 @@
static char rcsid[] = "$NetBSD: s_atanf.c,v 1.4 1995/05/10 20:46:47 jtc Exp $";
#endif
#include "math.h"
#include "math_private.h"
#ifdef __STDC__

1
libgcc-math/flt-32/s_cosf.c
View File

@ -17,7 +17,6 @@
static char rcsid[] = "$NetBSD: s_cosf.c,v 1.4 1995/05/10 20:47:03 jtc Exp $";
#endif
#include "math.h"
#include "math_private.h"
#ifdef __STDC__

1
libgcc-math/flt-32/s_floorf.c
View File

@ -26,7 +26,6 @@ static char rcsid[] = "$NetBSD: s_floorf.c,v 1.4 1995/05/10 20:47:22 jtc Exp $";
* Inexact flag raised if x not equal to floorf(x).
*/
#include "math.h"
#include "math_private.h"
#ifdef __STDC__

1
libgcc-math/flt-32/s_isinff.c
View File

@ -12,7 +12,6 @@ static char rcsid[] = "$NetBSD: s_isinff.c,v 1.3 1995/05/11 23:20:21 jtc Exp $";
* no branching!
*/
#include "math.h"
#include "math_private.h"
int

1
libgcc-math/flt-32/s_scalbnf.c
View File

@ -17,7 +17,6 @@
static char rcsid[] = "$NetBSD: s_scalbnf.c,v 1.4 1995/05/10 20:48:10 jtc Exp $";
#endif
#include "math.h"
#include "math_private.h"
#ifdef __STDC__

1
libgcc-math/flt-32/s_sinf.c
View File

@ -17,7 +17,6 @@
static char rcsid[] = "$NetBSD: s_sinf.c,v 1.4 1995/05/10 20:48:16 jtc Exp $";
#endif
#include "math.h"
#include "math_private.h"
#ifdef __STDC__

1
libgcc-math/flt-32/s_tanf.c
View File

@ -17,7 +17,6 @@
static char rcsid[] = "$NetBSD: s_tanf.c,v 1.4 1995/05/10 20:48:20 jtc Exp $";
#endif
#include "math.h"
#include "math_private.h"
#ifdef __STDC__

6
libgcc-math/i386/Makefile.am
View File

@ -11,9 +11,9 @@ gcc_version := $(shell cat $(top_srcdir)/../gcc/BASE-VER)
noinst_LTLIBRARIES = libsse2.la
libsse2_la_CFLAGS = -I@srcdir@/../include -I.. -include @srcdir@/sse2.h \
-Wall -O2 -g -msse2 -msseregparm -mfpmath=sse -march=pentium3 \
-fno-math-errno -fno-trapping-math -ffinite-math-only \
-fno-rounding-math -fno-signaling-nans -D__NO_MATH_INLINES
-Wall -std=c99 -O2 -g \
-msse2 -msseregparm -mfpmath=sse -march=pentium3 -mtune=generic \
-fno-math-errno -fno-trapping-math -fno-rounding-math -fno-signaling-nans
libsse2_la_SOURCES = \
@srcdir@/../flt-32/e_acosf.c \

6
libgcc-math/i386/Makefile.in
View File

@ -200,9 +200,9 @@ toolexeclibdir = @toolexeclibdir@
gcc_version := $(shell cat $(top_srcdir)/../gcc/BASE-VER)
noinst_LTLIBRARIES = libsse2.la
libsse2_la_CFLAGS = -I@srcdir@/../include -I.. -include @srcdir@/sse2.h \
-Wall -O2 -g -msse2 -msseregparm -mfpmath=sse -march=pentium3 \
-fno-math-errno -fno-trapping-math -ffinite-math-only \
-fno-rounding-math -fno-signaling-nans -D__NO_MATH_INLINES
-Wall -std=c99 -O2 -g \
-msse2 -msseregparm -mfpmath=sse -march=pentium3 -mtune=generic \
-fno-math-errno -fno-trapping-math -fno-rounding-math -fno-signaling-nans
libsse2_la_SOURCES = \
@srcdir@/../flt-32/e_acosf.c \

11
libgcc-math/include/math_private.h
View File

@ -232,6 +232,11 @@ extern float __kernel_cosf (float,float);
extern float __kernel_tanf (float,float,int);
extern int __kernel_rem_pio2f (float*,float*,int,int,int, const int32_t*);
extern float __atanf (float);
extern float __scalbnf (float x, int n);
extern float __floorf(float x);
extern int __isinff(float x);
/* internal functions. */
extern float __copysignf (float x, float __y);
@ -318,5 +323,11 @@ extern double __mpcos1 (double __x);
extern double __slowexp (double __x);
extern double __slowpow (double __x, double __y, double __z);
extern void __docos (double __x, double __dx, double __v[]);
extern double __scalbn (double x, int n);
extern double __floor(double x);
/* Prototypes for C99 math functions provided by GCC builtins. */
extern double fabs(double);
extern float fabsf(float);
#endif /* _MATH_PRIVATE_H_ */