aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float and -mlong-double-128 are incompatible.

        * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
        and -mlong-double-128 are incompatible.
        * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
        * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
        (TARGET_LIBGCC2_CFLAGS): Define.
        * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
        (TARGET_LIBGCC2_CFLAGS): Same.
        * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.

From-SVN: r110333

gcc/ChangeLog

+2006-01-28  David Edelsohn  <edelsohn@gnu.org>
+
+	* config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
+	and -mlong-double-128 are incompatible.
+	* config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
+	* config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
+	(TARGET_LIBGCC2_CFLAGS): Define.
+	* config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
+	(TARGET_LIBGCC2_CFLAGS): Same.
+	* config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
+
 2006-01-28  Kazu Hirata  <kazu@codesourcery.com>
 
 	PR c/19606.

gcc/config/rs6000/aix43.h

 /* Definitions of target machine for GNU compiler,
    for IBM RS/6000 POWER running AIX version 4.3.
-   Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005
+   Copyright (C) 1998, 1999, 2000, 2001, 2003, 2004, 2005, 2006
    Free Software Foundation, Inc.
    Contributed by David Edelsohn (edelsohn@gnu.org).
 
@@ -43,6 +43,12 @@ do {									\
       target_flags |= MASK_POWERPC64;					\
       warning (0, "-maix64 requires PowerPC64 architecture remain enabled"); \
     }									\
+  if (TARGET_SOFT_FLOAT && TARGET_LONG_DOUBLE_128)			\
+    {									\
+      rs6000_long_double_type_size = 64;				\
+      if (rs6000_explicit_options.long_double)				\
+	warning (0, "soft-float and long-double-128 are incompatible");	\
+    }									\
   if (TARGET_POWERPC64 && ! TARGET_64BIT)				\
     {									\
       error ("-maix64 required: 64-bit computation with 32-bit addressing not yet supported"); \

gcc/config/rs6000/aix52.h

 /* Definitions of target machine for GNU compiler,
    for IBM RS/6000 POWER running AIX V5.2.
-   Copyright (C) 2002, 2003, 2004, 2005 Free Software Foundation, Inc.
+   Copyright (C) 2002, 2003, 2004, 2005, 2006 Free Software Foundation, Inc.
    Contributed by David Edelsohn (edelsohn@gnu.org).
 
    This file is part of GCC.
@@ -42,6 +42,12 @@ do {									\
       target_flags |= MASK_POWERPC64;					\
       warning (0, "-maix64 requires PowerPC64 architecture remain enabled"); \
     }									\
+  if (TARGET_SOFT_FLOAT && TARGET_LONG_DOUBLE_128)			\
+    {									\
+      rs6000_long_double_type_size = 64;				\
+      if (rs6000_explicit_options.long_double)				\
+	warning (0, "soft-float and long-double-128 are incompatible");	\
+    }									\
   if (TARGET_POWERPC64 && ! TARGET_64BIT)				\
     {									\
       error ("-maix64 required: 64-bit computation with 32-bit addressing not yet supported"); \

gcc/config/rs6000/ppc64-fp.c

@@ -30,7 +30,7 @@ along with GCC; see the file COPYING.  If not, write to the Free
 Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA
 02110-1301, USA.  */
 
-#if defined(__powerpc64__)
+#if defined(__powerpc64__) || defined (__64BIT__)
 #define TMODES
 #include "config/fp-bit.h"
 

gcc/config/rs6000/t-aix43

@@ -67,7 +67,9 @@ SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver $(srcdir)/config/rs6000/libgcc-ppc64.v
 SHLIB_NM_FLAGS = -Bpg -X32_64
 
 # GCC 128-bit long double support routines.
-LIB2FUNCS_EXTRA = $(srcdir)/config/rs6000/darwin-ldouble.c
+LIB2FUNCS_EXTRA =  $(srcdir)/config/rs6000/ppc64-fp.c \
+	$(srcdir)/config/rs6000/darwin-ldouble.c
+TARGET_LIBGCC2_CFLAGS = -mlong-double-128
 
 # Either 32-bit and 64-bit objects in archives.
 AR_FLAGS_FOR_TARGET = -X32_64

gcc/config/rs6000/t-aix52

@@ -48,7 +48,9 @@ SHLIB_MAPFILES = $(srcdir)/libgcc-std.ver $(srcdir)/config/rs6000/libgcc-ppc64.v
 SHLIB_NM_FLAGS = -Bpg -X32_64
 
 # GCC 128-bit long double support routines.
-LIB2FUNCS_EXTRA = $(srcdir)/config/rs6000/darwin-ldouble.c
+LIB2FUNCS_EXTRA = $(srcdir)/config/rs6000/ppc64-fp.c \
+	$(srcdir)/config/rs6000/darwin-ldouble.c
+TARGET_LIBGCC2_CFLAGS = -mlong-double-128
 
 # Either 32-bit and 64-bit objects in archives.
 AR_FLAGS_FOR_TARGET = -X32_64