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Re: [PATCH] [4.2 Stage2 Project] Add libgcc-math target library
- From: Richard Guenther <rguenther at suse dot de>
- To: Shantonu Sen <ssen at opendarwin dot org>
- Cc: gcc-patches List <gcc-patches at gcc dot gnu dot org>, Krister Walfridsson <cato at df dot lth dot se>, Andrew Pinski <pinskia at physics dot uc dot edu>
- Date: Wed, 1 Feb 2006 12:33:04 +0100 (CET)
- Subject: Re: [PATCH] [4.2 Stage2 Project] Add libgcc-math target library
- References: <Pine.LNX.4.63.0601271528520.6210@t148.fhfr.qr> <Pine.GSO.4.60.0601312210410.1433@igloo.df.lth.se> <65963176cb187e574df0f00340ac451a@physics.uc.edu> <37E56549-1EE2-4198-BB94-127571D9D05D@opendarwin.org>
On Tue, 31 Jan 2006, Shantonu Sen wrote:
> And it breaks x86-darwin
>
> <http://gcc.gnu.org/PR26055>
>
> For an x86-specific feature, this patch seems to have broken a remarkable
> number of x86 targets (that aren't x86-linux)
>
> Shantonu
>
> On Jan 31, 2006, at 2:03 PM, Andrew Pinski wrote:
>
> >
> >On Jan 31, 2006, at 4:14 PM, Krister Walfridsson wrote:
> > >
> > >This prevents bootstrap on i386-unknown-netbsdelf* as NetBSD has not
> > >implemented fenv.h yet...
> > >
> > > ../../../../gcc/libgcc-math/i386/../flt-32/e_expf.c:56:18: error: fenv.h:
> > > No such file or directory
> >
> >And it breaks x86-solaris, see PR 26050.
> >
> >-- Pinski
>
Can people with the fenv/math.h problems try the following patch on top
of the fixes I committed earlier? It tries to get rid of the math.h
use completely. It does not (yet) solve the inttypes problem - Rainer
Orth is supposed to have a patch for that.
Works for me on x86_64-unknown-linux and i686-pc-linux-gnu.
Ok for mainline if reported to be ok?
Thanks,
Richard.
2006-02-01 Richard Guenther <rguenther@suse.de>
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. Compile with -Werror.
* include/math_private.h (__atanf): Declare.
* i386/Makefile.in: Re-generate.
(__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.
Index: configure
===================================================================
*** configure (revision 110469)
--- configure (working copy)
*************** else
*** 4573,4645 ****
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=
--- 4573,4578 ----
*************** esac
*** 4657,4665 ****
- if test "$cannot_build" = "yes"; then
- arch_subdirs=
- fi
if test "x$arch_subdirs" != x; then
--- 4590,4595 ----
Index: configure.ac
===================================================================
*** configure.ac (revision 110469)
--- configure.ac (working copy)
*************** else
*** 124,148 ****
fi
- # 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=
--- 124,129 ----
*************** esac
*** 160,168 ****
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])
--- 141,146 ----
Index: include/math_private.h
===================================================================
*** include/math_private.h (revision 110468)
--- include/math_private.h (working copy)
*************** extern float __kernel_cosf (float,float)
*** 232,237 ****
--- 232,242 ----
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);
*************** extern double __mpcos1 (double __x);
*** 318,322 ****
--- 323,333 ----
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_ */
Index: flt-32/e_acosf.c
===================================================================
*** flt-32/e_acosf.c (revision 110468)
--- flt-32/e_acosf.c (working copy)
***************
*** 17,23 ****
static char rcsid[] = "$NetBSD: e_acosf.c,v 1.5 1995/05/12 04:57:16 jtc Exp $";
#endif
- #include "math.h"
#include "math_private.h"
#ifdef __STDC__
--- 17,22 ----
Index: flt-32/s_isinff.c
===================================================================
*** flt-32/s_isinff.c (revision 110468)
--- flt-32/s_isinff.c (working copy)
*************** static char rcsid[] = "$NetBSD: s_isinff
*** 12,18 ****
* no branching!
*/
- #include "math.h"
#include "math_private.h"
int
--- 12,17 ----
Index: flt-32/k_tanf.c
===================================================================
*** flt-32/k_tanf.c (revision 110468)
--- flt-32/k_tanf.c (working copy)
***************
*** 17,23 ****
static char rcsid[] = "$NetBSD: k_tanf.c,v 1.4 1995/05/10 20:46:39 jtc Exp $";
#endif
- #include "math.h"
#include "math_private.h"
#ifdef __STDC__
static const float
--- 17,22 ----
Index: flt-32/e_sqrtf.c
===================================================================
*** flt-32/e_sqrtf.c (revision 110468)
--- flt-32/e_sqrtf.c (working copy)
***************
*** 17,23 ****
static char rcsid[] = "$NetBSD: e_sqrtf.c,v 1.4 1995/05/10 20:46:19 jtc Exp $";
#endif
- #include "math.h"
#include "math_private.h"
#ifdef __STDC__
--- 17,22 ----
Index: flt-32/e_asinf.c
===================================================================
*** flt-32/e_asinf.c (revision 110468)
--- flt-32/e_asinf.c (working copy)
***************
*** 39,45 ****
static char rcsid[] = "$NetBSD: e_asinf.c,v 1.5 1995/05/12 04:57:25 jtc Exp $";
#endif
- #include "math.h"
#include "math_private.h"
#ifdef __STDC__
--- 39,44 ----
Index: flt-32/k_cosf.c
===================================================================
*** flt-32/k_cosf.c (revision 110468)
--- flt-32/k_cosf.c (working copy)
***************
*** 17,23 ****
static char rcsid[] = "$NetBSD: k_cosf.c,v 1.4 1995/05/10 20:46:23 jtc Exp $";
#endif
- #include "math.h"
#include "math_private.h"
#ifdef __STDC__
--- 17,22 ----
Index: flt-32/e_expf.c
===================================================================
*** flt-32/e_expf.c (revision 110470)
--- flt-32/e_expf.c (working copy)
***************
*** 52,58 ****
#endif
#include <float.h>
#include <ieee754.h>
- #include <math.h>
#include <inttypes.h>
#include <math_private.h>
--- 52,57 ----
*************** __ieee754_expf (float x)
*** 68,74 ****
static const float himark = 88.72283935546875;
static const float lomark = -103.972084045410;
/* Check for usual case. */
! if (isless (x, himark) && isgreater (x, lomark))
{
static const float THREEp42 = 13194139533312.0;
static const float THREEp22 = 12582912.0;
--- 67,73 ----
static const float himark = 88.72283935546875;
static const float lomark = -103.972084045410;
/* Check for usual case. */
! if (__builtin_isless (x, himark) && __builtin_isgreater (x, lomark))
{
static const float THREEp42 = 13194139533312.0;
static const float THREEp22 = 12582912.0;
*************** __ieee754_expf (float x)
*** 116,122 ****
return (float) result;
}
/* Exceptional cases: */
! else if (isless (x, himark))
{
if (__isinff (x))
/* e^-inf == 0, with no error. */
--- 115,121 ----
return (float) result;
}
/* Exceptional cases: */
! else if (__builtin_isless (x, himark))
{
if (__isinff (x))
/* e^-inf == 0, with no error. */
Index: flt-32/k_sinf.c
===================================================================
*** flt-32/k_sinf.c (revision 110468)
--- flt-32/k_sinf.c (working copy)
***************
*** 17,23 ****
static char rcsid[] = "$NetBSD: k_sinf.c,v 1.4 1995/05/10 20:46:33 jtc Exp $";
#endif
- #include "math.h"
#include "math_private.h"
#ifdef __STDC__
--- 17,22 ----
Index: flt-32/s_floorf.c
===================================================================
*** flt-32/s_floorf.c (revision 110468)
--- flt-32/s_floorf.c (working copy)
*************** static char rcsid[] = "$NetBSD: s_floorf
*** 26,32 ****
* Inexact flag raised if x not equal to floorf(x).
*/
- #include "math.h"
#include "math_private.h"
#ifdef __STDC__
--- 26,31 ----
Index: flt-32/s_tanf.c
===================================================================
*** flt-32/s_tanf.c (revision 110468)
--- flt-32/s_tanf.c (working copy)
***************
*** 17,23 ****
static char rcsid[] = "$NetBSD: s_tanf.c,v 1.4 1995/05/10 20:48:20 jtc Exp $";
#endif
- #include "math.h"
#include "math_private.h"
#ifdef __STDC__
--- 17,22 ----
Index: flt-32/s_atanf.c
===================================================================
*** flt-32/s_atanf.c (revision 110468)
--- flt-32/s_atanf.c (working copy)
***************
*** 17,23 ****
static char rcsid[] = "$NetBSD: s_atanf.c,v 1.4 1995/05/10 20:46:47 jtc Exp $";
#endif
- #include "math.h"
#include "math_private.h"
#ifdef __STDC__
--- 17,22 ----
Index: flt-32/s_cosf.c
===================================================================
*** flt-32/s_cosf.c (revision 110468)
--- flt-32/s_cosf.c (working copy)
***************
*** 17,23 ****
static char rcsid[] = "$NetBSD: s_cosf.c,v 1.4 1995/05/10 20:47:03 jtc Exp $";
#endif
- #include "math.h"
#include "math_private.h"
#ifdef __STDC__
--- 17,22 ----
Index: flt-32/e_atan2f.c
===================================================================
*** flt-32/e_atan2f.c (revision 110468)
--- flt-32/e_atan2f.c (working copy)
***************
*** 17,23 ****
static char rcsid[] = "$NetBSD: e_atan2f.c,v 1.4 1995/05/10 20:44:53 jtc Exp $";
#endif
- #include "math.h"
#include "math_private.h"
#ifdef __STDC__
--- 17,22 ----
Index: flt-32/e_powf.c
===================================================================
*** flt-32/e_powf.c (revision 110468)
--- flt-32/e_powf.c (working copy)
***************
*** 17,23 ****
static char rcsid[] = "$NetBSD: e_powf.c,v 1.7 1996/04/08 15:43:44 phil Exp $";
#endif
- #include "math.h"
#include "math_private.h"
static const float huge = 1.0e+30, tiny = 1.0e-30;
--- 17,22 ----
Index: flt-32/s_sinf.c
===================================================================
*** flt-32/s_sinf.c (revision 110468)
--- flt-32/s_sinf.c (working copy)
***************
*** 17,23 ****
static char rcsid[] = "$NetBSD: s_sinf.c,v 1.4 1995/05/10 20:48:16 jtc Exp $";
#endif
- #include "math.h"
#include "math_private.h"
#ifdef __STDC__
--- 17,22 ----
Index: flt-32/e_rem_pio2f.c
===================================================================
*** flt-32/e_rem_pio2f.c (revision 110468)
--- flt-32/e_rem_pio2f.c (working copy)
*************** static char rcsid[] = "$NetBSD: e_rem_pi
*** 23,29 ****
* use __kernel_rem_pio2f()
*/
- #include "math.h"
#include "math_private.h"
/*
--- 23,28 ----
Index: flt-32/s_scalbnf.c
===================================================================
*** flt-32/s_scalbnf.c (revision 110468)
--- flt-32/s_scalbnf.c (working copy)
***************
*** 17,23 ****
static char rcsid[] = "$NetBSD: s_scalbnf.c,v 1.4 1995/05/10 20:48:10 jtc Exp $";
#endif
- #include "math.h"
#include "math_private.h"
#ifdef __STDC__
--- 17,22 ----
Index: flt-32/e_logf.c
===================================================================
*** flt-32/e_logf.c (revision 110468)
--- flt-32/e_logf.c (working copy)
***************
*** 17,23 ****
static char rcsid[] = "$NetBSD: e_logf.c,v 1.4 1995/05/10 20:45:54 jtc Exp $";
#endif
- #include "math.h"
#include "math_private.h"
#ifdef __STDC__
--- 17,22 ----
Index: flt-32/e_log10f.c
===================================================================
*** flt-32/e_log10f.c (revision 110468)
--- flt-32/e_log10f.c (working copy)
***************
*** 17,23 ****
static char rcsid[] = "$NetBSD: e_log10f.c,v 1.5 1995/05/10 20:45:53 jtc Exp $";
#endif
- #include "math.h"
#include "math_private.h"
#ifdef __STDC__
--- 17,22 ----
Index: flt-32/k_rem_pio2f.c
===================================================================
*** flt-32/k_rem_pio2f.c (revision 110468)
--- flt-32/k_rem_pio2f.c (working copy)
***************
*** 17,23 ****
static char rcsid[] = "$NetBSD: k_rem_pio2f.c,v 1.4 1995/05/10 20:46:28 jtc Exp $";
#endif
- #include "math.h"
#include "math_private.h"
/* In the float version, the input parameter x contains 8 bit
--- 17,22 ----
Index: dbl-64/s_floor.c
===================================================================
*** dbl-64/s_floor.c (revision 110468)
--- dbl-64/s_floor.c (working copy)
*************** static char rcsid[] = "$NetBSD: s_floor.
*** 23,29 ****
* Inexact flag raised if x not equal to floor(x).
*/
- #include "math.h"
#include "math_private.h"
#ifdef __STDC__
--- 23,28 ----
Index: dbl-64/e_log10.c
===================================================================
*** dbl-64/e_log10.c (revision 110468)
--- dbl-64/e_log10.c (working copy)
*************** static char rcsid[] = "$NetBSD: e_log10.
*** 47,53 ****
* shown.
*/
- #include "math.h"
#include "math_private.h"
#ifdef __STDC__
--- 47,52 ----
Index: dbl-64/k_rem_pio2.c
===================================================================
*** dbl-64/k_rem_pio2.c (revision 110468)
--- dbl-64/k_rem_pio2.c (working copy)
*************** static char rcsid[] = "$NetBSD: k_rem_pi
*** 130,136 ****
* to produce the hexadecimal values shown.
*/
- #include "math.h"
#include "math_private.h"
#ifdef __STDC__
--- 130,135 ----
Index: dbl-64/s_atan.c
===================================================================
*** dbl-64/s_atan.c (revision 110468)
--- dbl-64/s_atan.c (working copy)
***************
*** 42,48 ****
#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[]);
--- 42,47 ----
Index: dbl-64/s_scalbn.c
===================================================================
*** dbl-64/s_scalbn.c (revision 110468)
--- dbl-64/s_scalbn.c (working copy)
*************** static char rcsid[] = "$NetBSD: s_scalbn
*** 21,27 ****
* exponentiation or a multiplication.
*/
- #include "math.h"
#include "math_private.h"
#ifdef __STDC__
--- 21,26 ----
Index: dbl-64/s_isinf.c
===================================================================
*** dbl-64/s_isinf.c (revision 110468)
--- dbl-64/s_isinf.c (working copy)
*************** static char rcsid[] = "$NetBSD: s_isinf.
*** 13,19 ****
* no branching!
*/
- #include "math.h"
#include "math_private.h"
int
--- 13,18 ----
Index: dbl-64/mpa.c
===================================================================
*** dbl-64/mpa.c (revision 110468)
--- dbl-64/mpa.c (working copy)
*************** static void norm(const mp_no *x, double
*** 132,138 ****
#if 0
int k;
#endif
! double a,c,u,v,z[5];
if (p<5) {
if (p==1) c = X[1];
else if (p==2) c = X[1] + R* X[2];
--- 132,138 ----
#if 0
int k;
#endif
! 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];
Index: dbl-64/e_rem_pio2.c
===================================================================
*** dbl-64/e_rem_pio2.c (revision 110468)
--- dbl-64/e_rem_pio2.c (working copy)
*************** static char rcsid[] = "$NetBSD: e_rem_pi
*** 20,26 ****
* use __kernel_rem_pio2()
*/
- #include "math.h"
#include "math_private.h"
/*
--- 20,25 ----
*************** pio2_3t = 8.47842766036889956997e-32; /
*** 90,96 ****
double x,y[];
#endif
{
! double z,w,t,r,fn;
double tx[3];
int32_t e0,i,j,nx,n,ix,hx;
u_int32_t low;
--- 89,95 ----
double x,y[];
#endif
{
! double z=z,w,t,r,fn;
double tx[3];
int32_t e0,i,j,nx,n,ix,hx;
u_int32_t low;
Index: dbl-64/s_tan.c
===================================================================
*** dbl-64/s_tan.c (revision 110468)
--- dbl-64/s_tan.c (working copy)
***************
*** 37,43 ****
#include "dla.h"
#include "mpa.h"
#include "MathLib.h"
- #include "math.h"
static double tanMp(double);
void __mptan(double, mp_no *, int);
--- 37,42 ----
Index: i386/Makefile.in
===================================================================
*** i386/Makefile.in (revision 110468)
--- i386/Makefile.in (working copy)
*************** toolexeclibdir = @toolexeclibdir@
*** 198,206 ****
gcc_version := $(shell cat $(top_srcdir)/../gcc/BASE-VER)
noinst_LTLIBRARIES = libsse2.la
libsse2_la_CFLAGS = -I@srcdir@/../include -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
libsse2_la_SOURCES = \
@srcdir@/../flt-32/e_acosf.c \
--- 198,206 ----
gcc_version := $(shell cat $(top_srcdir)/../gcc/BASE-VER)
noinst_LTLIBRARIES = libsse2.la
libsse2_la_CFLAGS = -I@srcdir@/../include -include @srcdir@/sse2.h \
! -Wall -Werror -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 \
Index: i386/Makefile.am
===================================================================
*** i386/Makefile.am (revision 110468)
--- i386/Makefile.am (working copy)
*************** gcc_version := $(shell cat $(top_srcdir)
*** 11,19 ****
noinst_LTLIBRARIES = libsse2.la
libsse2_la_CFLAGS = -I@srcdir@/../include -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
libsse2_la_SOURCES = \
@srcdir@/../flt-32/e_acosf.c \
--- 11,19 ----
noinst_LTLIBRARIES = libsse2.la
libsse2_la_CFLAGS = -I@srcdir@/../include -include @srcdir@/sse2.h \
! -Wall -Werror -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 \