2007-04-26 Patrick Mansfield <patmans@us.ibm.com>

        * libc/include/ieeefp.h: use prefixed __ieeefp_ macros that can be
        overridden via machine/ieeefp.h.
        * libc/include/machine/ieeefp.h: Add SPU specific C99 and ieeefp
        macros for isnan and related macros.
        * libc/include/math.h: Allow C99 isfinite, isinf, and isnan to be
        overridden via machine/ieeefp.h.
        * libm/machine/spu/Makefile.am: Add new files.
        * libm/machine/spu/Makefile.in: Autogenerate with new files.
        * libm/machine/spu/sf_fpclassify.c: Add SPU specific __fpclassifyf.
        * libm/machine/spu/sf_finite.c: Add SPU specific finitef.
        * libm/machine/spu/sf_isinf.c: Add SPU specific isinff.
        * libm/machine/spu/sf_isinff.c: Add SPU specific __isinff.
        * libm/machine/spu/sf_isnan.c: Add SPU specific isnanf.
        * libm/machine/spu/sf_isnanf.c: Add SPU specific __isnanf.
        * libm/machine/spu/sf_nan.c: Add SPU specific nanf.

13 files changed, 390 insertions, 11 deletions

diff --git a/newlib/ChangeLog b/newlib/ChangeLog
index 6ebceec..960af51 100644
--- a/newlib/ChangeLog
+++ b/newlib/ChangeLog
@@ -1,3 +1,21 @@
+2007-04-26  Patrick Mansfield <patmans@us.ibm.com>
+
+	* libc/include/ieeefp.h: use prefixed __ieeefp_ macros that can be
+	overridden via machine/ieeefp.h.
+	* libc/include/machine/ieeefp.h: Add SPU specific C99 and ieeefp
+	macros for isnan and related macros.
+	* libc/include/math.h: Allow C99 isfinite, isinf, and isnan to be
+	overridden via machine/ieeefp.h.
+	* libm/machine/spu/Makefile.am: Add new files.
+	* libm/machine/spu/Makefile.in: Autogenerate with new files.
+	* libm/machine/spu/sf_fpclassify.c: Add SPU specific __fpclassifyf.
+	* libm/machine/spu/sf_finite.c: Add SPU specific finitef.
+	* libm/machine/spu/sf_isinf.c: Add SPU specific isinff.
+	* libm/machine/spu/sf_isinff.c: Add SPU specific __isinff.
+	* libm/machine/spu/sf_isnan.c: Add SPU specific isnanf.
+	* libm/machine/spu/sf_isnanf.c: Add SPU specific __isnanf.
+	* libm/machine/spu/sf_nan.c: Add SPU specific nanf.
+
 2007-04-25  Jeff Johnston  <jjohnstn@redhat.com>
 
 	* libm/common/s_fpclassify.c (__fpclassifyf): Move this to...
diff --git a/newlib/libc/include/ieeefp.h b/newlib/libc/include/ieeefp.h
index e08fd08..0b06fb7 100644
--- a/newlib/libc/include/ieeefp.h
+++ b/newlib/libc/include/ieeefp.h
@@ -213,14 +213,22 @@ int _EXFUN(finitef, (float));
 #define __IEEE_DBL_NAN_EXP 0x7ff
 #define __IEEE_FLT_NAN_EXP 0xff
 
+#ifndef __ieeefp_isnanf
+#define __ieeefp_isnanf(x) (((*(long *)&(x) & 0x7f800000L)==0x7f800000L) && \
+			    ((*(long *)&(x) & 0x007fffffL)!=0000000000L))
+#endif
+#define isnanf(x)	__ieeefp_isnanf(x)
 
-#define isnanf(x) (((*(long *)&(x) & 0x7f800000L)==0x7f800000L) && \
-		   ((*(long *)&(x) & 0x007fffffL)!=0000000000L))
-
-#define isinff(x) (((*(long *)&(x) & 0x7f800000L)==0x7f800000L) && \
-		   ((*(long *)&(x) & 0x007fffffL)==0000000000L))
+#ifndef __ieeefp_isinff
+#define __ieeefp_isinff(x) (((*(long *)&(x) & 0x7f800000L)==0x7f800000L) && \
+			    ((*(long *)&(x) & 0x007fffffL)==0000000000L))
+#endif
+#define isinff(x)	__ieeefp_isinff(x)
 
-#define finitef(x) (((*(long *)&(x) & 0x7f800000L)!=0x7f800000L))
+#ifndef __ieeefp_finitef
+#define __ieeefp_finitef(x) (((*(long *)&(x) & 0x7f800000L)!=0x7f800000L))
+#endif
+#define finitef(x)	__ieeefp_finitef(x)
 
 #ifdef _DOUBLE_IS_32BITS
 #undef __IEEE_DBL_EXPBIAS
diff --git a/newlib/libc/include/machine/ieeefp.h b/newlib/libc/include/machine/ieeefp.h
index 9e5b5ae..b3e7794 100644
--- a/newlib/libc/include/machine/ieeefp.h
+++ b/newlib/libc/include/machine/ieeefp.h
@@ -75,8 +75,27 @@
 
 #ifdef __SPU__
 #define __IEEE_BIG_ENDIAN
-#endif
 
+#define isfinite(y) \
+          (__extension__ ({__typeof__(y) __y = (y); \
+                           (sizeof (__y) == sizeof (float))  ? (1) : \
+                           fpclassify(__y) != FP_INFINITE && fpclassify(__y) != FP_NAN;}))
+#define isinf(x) \
+          (__extension__ ({__typeof__(x) __x = (x); \
+                           (sizeof (__x) == sizeof (float))  ? (0) : __isinfd(__x);}))
+#define isnan(x) \
+          (__extension__ ({__typeof__(x) __x = (x); \
+                           (sizeof (__x) == sizeof (float))  ? (0) : __isnand(__x);}))
+
+/*
+ * Macros for use in ieeefp.h. We can't just define the real ones here
+ * (like those above) as we have name space issues when this is *not*
+ * included via generic the ieeefp.h.
+ */
+#define __ieeefp_isnanf(x)	0
+#define __ieeefp_isinff(x)	0
+#define __ieeefp_finitef(x)	1
+#endif
 
 #ifdef __sparc__
 #ifdef __LITTLE_ENDIAN_DATA__
diff --git a/newlib/libc/include/math.h b/newlib/libc/include/math.h
index 3e96757..63cc992 100644
--- a/newlib/libc/include/math.h
+++ b/newlib/libc/include/math.h
@@ -131,21 +131,29 @@ extern int __signbitd (double x);
           (__extension__ ({__typeof__(x) __x = (x); \
                            (sizeof (__x) == sizeof (float))  ? __fpclassifyf(__x) : __fpclassifyd(__x);}))
 
+#ifndef isfinite
 #define isfinite(y) \
           (__extension__ ({__typeof__(y) __y = (y); \
                            fpclassify(__y) != FP_INFINITE && fpclassify(__y) != FP_NAN;}))
+#endif
 
 /* Note: isinf and isnan were once functions in newlib that took double
  *       arguments.  C99 specifies that these names are reserved for macros
  *       supporting multiple floating point types.  Thus, they are
  *       now defined as macros.  Implementations of the old functions
  *       taking double arguments still exist for compatibility purposes.  */
+#ifndef isinf
 #define isinf(x) \
           (__extension__ ({__typeof__(x) __x = (x); \
                            (sizeof (__x) == sizeof (float))  ? __isinff(__x) : __isinfd(__x);}))
+#endif
+
+#ifndef isnan
 #define isnan(x) \
           (__extension__ ({__typeof__(x) __x = (x); \
                            (sizeof (__x) == sizeof (float))  ? __isnanf(__x) : __isnand(__x);}))
+#endif
+
 #define isnormal(y) (fpclassify(y) == FP_NORMAL)
 #define signbit(x) \
           (__extension__ ({__typeof__(x) __x = (x); \
diff --git a/newlib/libm/machine/spu/Makefile.am b/newlib/libm/machine/spu/Makefile.am
index 74904f2..68a5c8d 100644
--- a/newlib/libm/machine/spu/Makefile.am
+++ b/newlib/libm/machine/spu/Makefile.am
@@ -8,7 +8,9 @@ INCLUDES = -I $(newlib_basedir)/../newlib/libm/common $(NEWLIB_CFLAGS) \
 LIB_SOURCES = \
 	feclearexcept.c fe_dfl_env.c fegetenv.c fegetexceptflag.c \
 	fegetround.c feholdexcept.c feraiseexcept.c fesetenv.c \
-	fesetexceptflag.c fesetround.c fetestexcept.c feupdateenv.c
+	fesetexceptflag.c fesetround.c fetestexcept.c feupdateenv.c \
+	sf_finite.c sf_fpclassify.c sf_isinf.c sf_isinff.c sf_isnanf.c \
+	sf_isnan.c sf_nan.c
 
 noinst_LIBRARIES = lib.a
 lib_a_SOURCES = $(LIB_SOURCES)
diff --git a/newlib/libm/machine/spu/Makefile.in b/newlib/libm/machine/spu/Makefile.in
index b419f08..e19c784 100644
--- a/newlib/libm/machine/spu/Makefile.in
+++ b/newlib/libm/machine/spu/Makefile.in
@@ -47,7 +47,11 @@ DIST_COMMON = $(srcdir)/../../../Makefile.shared \
 	$(srcdir)/../../../../compile $(srcdir)/../../../../compile \
 	$(srcdir)/../../../../compile $(srcdir)/../../../../compile \
 	$(srcdir)/../../../../compile $(srcdir)/../../../../compile \
-	$(srcdir)/../../../../compile $(srcdir)/../../../../compile
+	$(srcdir)/../../../../compile $(srcdir)/../../../../compile \
+	$(srcdir)/../../../../compile $(srcdir)/../../../../compile \
+	$(srcdir)/../../../../compile $(srcdir)/../../../../compile \
+	$(srcdir)/../../../../compile $(srcdir)/../../../../compile \
+	$(srcdir)/../../../../compile
 subdir = .
 ACLOCAL_M4 = $(top_srcdir)/aclocal.m4
 am__aclocal_m4_deps = $(top_srcdir)/../../../acinclude.m4 \
@@ -68,7 +72,10 @@ am__objects_1 = lib_a-feclearexcept.$(OBJEXT) \
 	lib_a-feholdexcept.$(OBJEXT) lib_a-feraiseexcept.$(OBJEXT) \
 	lib_a-fesetenv.$(OBJEXT) lib_a-fesetexceptflag.$(OBJEXT) \
 	lib_a-fesetround.$(OBJEXT) lib_a-fetestexcept.$(OBJEXT) \
-	lib_a-feupdateenv.$(OBJEXT)
+	lib_a-feupdateenv.$(OBJEXT) lib_a-sf_finite.$(OBJEXT) \
+	lib_a-sf_fpclassify.$(OBJEXT) lib_a-sf_isinf.$(OBJEXT) \
+	lib_a-sf_isinff.$(OBJEXT) lib_a-sf_isnanf.$(OBJEXT) \
+	lib_a-sf_isnan.$(OBJEXT) lib_a-sf_nan.$(OBJEXT)
 am_lib_a_OBJECTS = $(am__objects_1)
 lib_a_OBJECTS = $(am_lib_a_OBJECTS)
 DEFAULT_INCLUDES = -I. -I$(srcdir)
@@ -197,7 +204,9 @@ INCLUDES = -I $(newlib_basedir)/../newlib/libm/common $(NEWLIB_CFLAGS) \
 LIB_SOURCES = \
 	feclearexcept.c fe_dfl_env.c fegetenv.c fegetexceptflag.c \
 	fegetround.c feholdexcept.c feraiseexcept.c fesetenv.c \
-	fesetexceptflag.c fesetround.c fetestexcept.c feupdateenv.c
+	fesetexceptflag.c fesetround.c fetestexcept.c feupdateenv.c \
+	sf_finite.c sf_fpclassify.c sf_isinf.c sf_isinff.c sf_isnanf.c \
+	sf_isnan.c sf_nan.c
 
 noinst_LIBRARIES = lib.a
 lib_a_SOURCES = $(LIB_SOURCES)
@@ -334,6 +343,48 @@ lib_a-feupdateenv.o: feupdateenv.c
 
 lib_a-feupdateenv.obj: feupdateenv.c
 	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-feupdateenv.obj `if test -f 'feupdateenv.c'; then $(CYGPATH_W) 'feupdateenv.c'; else $(CYGPATH_W) '$(srcdir)/feupdateenv.c'; fi`
+
+lib_a-sf_finite.o: sf_finite.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_finite.o `test -f 'sf_finite.c' || echo '$(srcdir)/'`sf_finite.c
+
+lib_a-sf_finite.obj: sf_finite.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_finite.obj `if test -f 'sf_finite.c'; then $(CYGPATH_W) 'sf_finite.c'; else $(CYGPATH_W) '$(srcdir)/sf_finite.c'; fi`
+
+lib_a-sf_fpclassify.o: sf_fpclassify.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_fpclassify.o `test -f 'sf_fpclassify.c' || echo '$(srcdir)/'`sf_fpclassify.c
+
+lib_a-sf_fpclassify.obj: sf_fpclassify.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_fpclassify.obj `if test -f 'sf_fpclassify.c'; then $(CYGPATH_W) 'sf_fpclassify.c'; else $(CYGPATH_W) '$(srcdir)/sf_fpclassify.c'; fi`
+
+lib_a-sf_isinf.o: sf_isinf.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_isinf.o `test -f 'sf_isinf.c' || echo '$(srcdir)/'`sf_isinf.c
+
+lib_a-sf_isinf.obj: sf_isinf.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_isinf.obj `if test -f 'sf_isinf.c'; then $(CYGPATH_W) 'sf_isinf.c'; else $(CYGPATH_W) '$(srcdir)/sf_isinf.c'; fi`
+
+lib_a-sf_isinff.o: sf_isinff.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_isinff.o `test -f 'sf_isinff.c' || echo '$(srcdir)/'`sf_isinff.c
+
+lib_a-sf_isinff.obj: sf_isinff.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_isinff.obj `if test -f 'sf_isinff.c'; then $(CYGPATH_W) 'sf_isinff.c'; else $(CYGPATH_W) '$(srcdir)/sf_isinff.c'; fi`
+
+lib_a-sf_isnanf.o: sf_isnanf.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_isnanf.o `test -f 'sf_isnanf.c' || echo '$(srcdir)/'`sf_isnanf.c
+
+lib_a-sf_isnanf.obj: sf_isnanf.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_isnanf.obj `if test -f 'sf_isnanf.c'; then $(CYGPATH_W) 'sf_isnanf.c'; else $(CYGPATH_W) '$(srcdir)/sf_isnanf.c'; fi`
+
+lib_a-sf_isnan.o: sf_isnan.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_isnan.o `test -f 'sf_isnan.c' || echo '$(srcdir)/'`sf_isnan.c
+
+lib_a-sf_isnan.obj: sf_isnan.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_isnan.obj `if test -f 'sf_isnan.c'; then $(CYGPATH_W) 'sf_isnan.c'; else $(CYGPATH_W) '$(srcdir)/sf_isnan.c'; fi`
+
+lib_a-sf_nan.o: sf_nan.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_nan.o `test -f 'sf_nan.c' || echo '$(srcdir)/'`sf_nan.c
+
+lib_a-sf_nan.obj: sf_nan.c
+	$(CC) $(DEFS) $(DEFAULT_INCLUDES) $(INCLUDES) $(AM_CPPFLAGS) $(CPPFLAGS) $(lib_a_CFLAGS) $(CFLAGS) -c -o lib_a-sf_nan.obj `if test -f 'sf_nan.c'; then $(CYGPATH_W) 'sf_nan.c'; else $(CYGPATH_W) '$(srcdir)/sf_nan.c'; fi`
 uninstall-info-am:
 
 ID: $(HEADERS) $(SOURCES) $(LISP) $(TAGS_FILES)
diff --git a/newlib/libm/machine/spu/sf_finite.c b/newlib/libm/machine/spu/sf_finite.c
new file mode 100644
index 0000000..88d635f
--- /dev/null
+++ b/newlib/libm/machine/spu/sf_finite.c
@@ -0,0 +1,41 @@
+/*
+  (C) Copyright 2007
+  International Business Machines Corporation,
+  Sony Computer Entertainment, Incorporated,
+  Toshiba Corporation,
+
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+  this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+  notice, this list of conditions and the following disclaimer in the
+  documentation and/or other materials provided with the distribution.
+    * Neither the names of the copyright holders nor the names of their
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+  PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+  OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/*
+ * On the SPU always return 1.
+ */
+int
+finitef(float x)
+{
+	return 1;
+}
diff --git a/newlib/libm/machine/spu/sf_fpclassify.c b/newlib/libm/machine/spu/sf_fpclassify.c
new file mode 100644
index 0000000..36cf8ba
--- /dev/null
+++ b/newlib/libm/machine/spu/sf_fpclassify.c
@@ -0,0 +1,24 @@
+/* Copyright (C) 2002 by  Red Hat, Incorporated. All rights reserved.
+ *
+ * Permission to use, copy, modify, and distribute this software
+ * is freely granted, provided that this notice is preserved.
+ */
+
+#include "fdlibm.h"
+
+/*
+ * On the SPU, single precision floating point returns only FP_NORMAL and
+ * FP_ZERO, since FP_NAN, FP_INFINITE, and FP_SUBNORMAL are not
+ * supported, base on the common f_fpclassify.c.
+ */
+int
+__fpclassifyf (float x)
+{
+  __uint32_t w;
+
+  GET_FLOAT_WORD(w,x);
+
+  if (w == 0x00000000 || w == 0x80000000)
+    return FP_ZERO;
+  return FP_NORMAL;
+}
diff --git a/newlib/libm/machine/spu/sf_isinf.c b/newlib/libm/machine/spu/sf_isinf.c
new file mode 100644
index 0000000..7cba324
--- /dev/null
+++ b/newlib/libm/machine/spu/sf_isinf.c
@@ -0,0 +1,43 @@
+/*
+  (C) Copyright 2007
+  International Business Machines Corporation,
+  Sony Computer Entertainment, Incorporated,
+  Toshiba Corporation,
+
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+  this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+  notice, this list of conditions and the following disclaimer in the
+  documentation and/or other materials provided with the distribution.
+    * Neither the names of the copyright holders nor the names of their
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+  PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+  OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/*
+ * On the SPU isinff(x) always returns 0.
+ *
+ * isinff is an extension declared in <ieeefp.h> and <math.h>.
+ */
+int
+isinff (float x)
+{
+	return 0;
+}
diff --git a/newlib/libm/machine/spu/sf_isinff.c b/newlib/libm/machine/spu/sf_isinff.c
new file mode 100644
index 0000000..3ce424a
--- /dev/null
+++ b/newlib/libm/machine/spu/sf_isinff.c
@@ -0,0 +1,41 @@
+/*
+  (C) Copyright 2007
+  International Business Machines Corporation,
+  Sony Computer Entertainment, Incorporated,
+  Toshiba Corporation,
+
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+  this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+  notice, this list of conditions and the following disclaimer in the
+  documentation and/or other materials provided with the distribution.
+    * Neither the names of the copyright holders nor the names of their
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+  PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+  OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/*
+ * On the SPU __isinff(x) always returns 0.
+ */
+int
+__isinff (float x)
+{
+	return 0;
+}
diff --git a/newlib/libm/machine/spu/sf_isnan.c b/newlib/libm/machine/spu/sf_isnan.c
new file mode 100644
index 0000000..448bfc4
--- /dev/null
+++ b/newlib/libm/machine/spu/sf_isnan.c
@@ -0,0 +1,41 @@
+/*
+  (C) Copyright 2007
+  International Business Machines Corporation,
+  Sony Computer Entertainment, Incorporated,
+  Toshiba Corporation,
+
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+  this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+  notice, this list of conditions and the following disclaimer in the
+  documentation and/or other materials provided with the distribution.
+    * Neither the names of the copyright holders nor the names of their
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+  PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+  OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/*
+ * On the SPU single precision floating does not support NAN's.
+ */
+int
+isnanf(float x)
+{
+	return 0;
+}
diff --git a/newlib/libm/machine/spu/sf_isnanf.c b/newlib/libm/machine/spu/sf_isnanf.c
new file mode 100644
index 0000000..1dab50c
--- /dev/null
+++ b/newlib/libm/machine/spu/sf_isnanf.c
@@ -0,0 +1,41 @@
+/*
+  (C) Copyright 2007
+  International Business Machines Corporation,
+  Sony Computer Entertainment, Incorporated,
+  Toshiba Corporation,
+
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+  this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+  notice, this list of conditions and the following disclaimer in the
+  documentation and/or other materials provided with the distribution.
+    * Neither the names of the copyright holders nor the names of their
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+  PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+  OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/*
+ * On the SPU single precision floating does not support NAN's.
+ */
+int
+__isnanf(float x)
+{
+	return 0;
+}
diff --git a/newlib/libm/machine/spu/sf_nan.c b/newlib/libm/machine/spu/sf_nan.c
new file mode 100644
index 0000000..ef994c7
--- /dev/null
+++ b/newlib/libm/machine/spu/sf_nan.c
@@ -0,0 +1,42 @@
+/*
+  (C) Copyright 2007
+  International Business Machines Corporation,
+  Sony Computer Entertainment, Incorporated,
+  Toshiba Corporation,
+
+  All rights reserved.
+
+  Redistribution and use in source and binary forms, with or without
+  modification, are permitted provided that the following conditions are met:
+
+    * Redistributions of source code must retain the above copyright notice,
+  this list of conditions and the following disclaimer.
+    * Redistributions in binary form must reproduce the above copyright
+  notice, this list of conditions and the following disclaimer in the
+  documentation and/or other materials provided with the distribution.
+    * Neither the names of the copyright holders nor the names of their
+  contributors may be used to endorse or promote products derived from
+  this software without specific prior written permission.
+
+  THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
+  IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+  TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A
+  PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
+  OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+  EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+  PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+  PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+  LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+  SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+*/
+
+/*
+ * On the SPU single precision floating does not support NAN's, and nanf
+ * is documented as returning zero.
+ */
+float
+nanf(const char *unused)
+{
+	return 0;
+}