re PR middle-end/50083 (All 32-bit fortran tests fail on 32-bit Solaris)

	PR middle-end/50083
	* convert.c (convert_to_integer) <BUIT_IN_ROUND{,F,L}>: Convert
	only when TARGET_C99_FUNCTIONS.
	<BUILT_IN_NEARBYINT{,F,L}>: Ditto.
	<BUILT_IN_RINT{,F,L}>: Ditto.

From-SVN: r178119

gcc/ChangeLog

+2011-08-26  Uros Bizjak  <ubizjak@gmail.com>
+
+	PR middle-end/50083
+	* convert.c (convert_to_integer) <BUIT_IN_ROUND{,F,L}>: Convert
+	only when TARGET_C99_FUNCTIONS.
+	<BUILT_IN_NEARBYINT{,F,L}>: Ditto.
+	<BUILT_IN_RINT{,F,L}>: Ditto.
+
 2011-08-26  Michael Matz  <matz@suse.de>
 	    Jakub Jelinek  <jakub@redhat.com>
 
@@ -489,8 +497,7 @@
 
 2011-08-22  H.J. Lu  <hongjiu.lu@intel.com>
 
-	* acinclude.m4 (gcc_AC_INITFINI_ARRAY): Error if __ELF__ isn't
-	defined.
+	* acinclude.m4 (gcc_AC_INITFINI_ARRAY): Error if __ELF__ isn't defined.
 	* configure: Regenerated.
 
 2011-08-22  Jakub Jelinek  <jakub@redhat.com>

gcc/convert.c

@@ -469,6 +469,9 @@ convert_to_integer (tree type, tree expr)
 	  break;
 
 	CASE_FLT_FN (BUILT_IN_ROUND):
+	  /* Only convert in ISO C99 mode.  */
+	  if (!TARGET_C99_FUNCTIONS)
+	    break;
 	  if (outprec < TYPE_PRECISION (integer_type_node)
 	      || (outprec == TYPE_PRECISION (integer_type_node)
 		  && !TYPE_UNSIGNED (type)))
@@ -487,11 +490,14 @@ convert_to_integer (tree type, tree expr)
 	    break;
 	  /* ... Fall through ...  */
 	CASE_FLT_FN (BUILT_IN_RINT):
+	  /* Only convert in ISO C99 mode.  */
+	  if (!TARGET_C99_FUNCTIONS)
+	    break;
 	  if (outprec < TYPE_PRECISION (integer_type_node)
 	      || (outprec == TYPE_PRECISION (integer_type_node)
 		  && !TYPE_UNSIGNED (type)))
 	    fn = mathfn_built_in (s_intype, BUILT_IN_IRINT);
-	  else if (outprec < TYPE_PRECISION (long_integer_type_node)
+	  else if (outprec == TYPE_PRECISION (long_integer_type_node)
 		   && !TYPE_UNSIGNED (type))
 	    fn = mathfn_built_in (s_intype, BUILT_IN_LRINT);
 	  else if (outprec == TYPE_PRECISION (long_long_integer_type_node)