O Bring in changes from release branch (egcs_ss_971127).

From-SVN: r16866

gcc/ChangeLog

@@ -10,6 +10,12 @@ Thu Nov 27 12:20:19 1997  Jeffrey A Law  (law@cygnus.com)
 	* unroll.c (find_splittable_givs): Don't split givs with a dest_reg
 	that was created by loop.
 
+Thu Nov 27 09:34:58 1997  Jason Merrill  <jason@yorick.cygnus.com>
+
+	* expr.c (preexpand_calls): Don't look past a TRY_CATCH_EXPR.
+
+	* except.c (expand_start_all_catch): One more do_pending_stack_adjust.
+
 Wed Nov 26 15:47:30 1997  Michael Meissner  <meissner@cygnus.com>
 
 	* rs6000.c (SMALL_DATA_REG): Register to use for small data relocs.
@@ -33,6 +39,11 @@ Wed Nov 26 11:12:26 1997  Jason Merrill  <jason@yorick.cygnus.com>
 
 	* toplev.c (main): Complain about -gdwarfn.
 
+Tue Nov 25 22:43:30 1997  Jason Merrill  <jason@yorick.cygnus.com>
+
+	* dwarfout.c (output_type): If finalizing, write out nested types 
+	of types we've already written.
+
 Tue Nov 25 20:32:24 1997  Michael Meissner  <meissner@cygnus.com>
 
 	(patches originally from Geoffrey Keating)
@@ -73,6 +84,12 @@ Mon Nov 24 22:41:55 1997  Jason Merrill  <jason@yorick.cygnus.com>
 	* optabs.c (init_optabs): Lose get_dynamic_handler_chain_libfunc.
 	* expr.h: Likewise.
 
+Sat Nov 22 18:58:20 1997  Jeffrey A Law  (law@cygnus.com)
+
+	* pa-hpux10.h (NEW_HP_ASSEMBLER): Define.
+	* pa.h (LEGITIMATE_CONSTANT_P): Reject LABEL_REFs if not using
+	gas and not using the new HP assembler.
+
 Fri Nov 21 15:20:05 1997  Jeffrey A Law  (law@cygnus.com)
 
 	* Makefile.in (program_transform_cross_name): Clean up "-e" confusion.

gcc/config/pa/pa-hpux10.h

@@ -69,3 +69,6 @@ do {  \
 #define MD_STARTFILE_PREFIX "/usr/ccs/lib/"
 #endif
 
+/* hpux10 has the new HP assembler.  It's still lousy, but it's a whole lot
+   better than the assembler shipped with older versions of hpux.  */
+#define NEW_HP_ASSEMBLER

gcc/config/pa/pa.h

@@ -1396,12 +1396,21 @@ extern struct rtx_def *hppa_builtin_saveregs ();
    && (reload_in_progress || reload_completed || ! symbolic_expression_p (X)))
 
 /* Include all constant integers and constant doubles, but not
-   floating-point, except for floating-point zero.  */
+   floating-point, except for floating-point zero.
 
+   Reject LABEL_REFs if we're not using gas or the new HP assembler.  */
+#ifdef NEW_HP_ASSEMBLER
 #define LEGITIMATE_CONSTANT_P(X)  		\
   ((GET_MODE_CLASS (GET_MODE (X)) != MODE_FLOAT	\
     || (X) == CONST0_RTX (GET_MODE (X)))	\
    && !function_label_operand (X, VOIDmode))
+#else
+#define LEGITIMATE_CONSTANT_P(X)  		\
+  ((GET_MODE_CLASS (GET_MODE (X)) != MODE_FLOAT	\
+    || (X) == CONST0_RTX (GET_MODE (X)))	\
+   && (GET_CODE (X) != LABEL_REF || TARGET_GAS)\
+   && !function_label_operand (X, VOIDmode))
+#endif
 
 /* Subroutine for EXTRA_CONSTRAINT.
 

gcc/dwarfout.c

@@ -4193,7 +4193,22 @@ output_type (type, containing_scope)
   type = type_main_variant (type);
 
   if (TREE_ASM_WRITTEN (type))
-    return;
+    {
+      if (finalizing && AGGREGATE_TYPE_P (type))
+	{
+	  register tree member;
+
+	  /* Some of our nested types might not have been defined when we
+	     were written out before; force them out now.  */
+
+	  for (member = TYPE_FIELDS (type); member;
+	       member = TREE_CHAIN (member))
+	    if (TREE_CODE (member) == TYPE_DECL
+		&& ! TREE_ASM_WRITTEN (TREE_TYPE (member)))
+	      output_type (TREE_TYPE (member), containing_scope);
+	}
+      return;
+    }
 
   /* If this is a nested type whose containing class hasn't been
      written out yet, writing it out will cover this one, too.  */

gcc/except.c

@@ -1366,6 +1366,7 @@ expand_start_all_catch ()
 	      expand_internal_throw (entry->outer_context);
 	    }
 	}
+      do_pending_stack_adjust ();
       free (entry);
     }
 }

gcc/expr.c

@@ -10044,6 +10044,7 @@ preexpand_calls (exp)
     case RTL_EXPR:
     case WITH_CLEANUP_EXPR:
     case CLEANUP_POINT_EXPR:
+    case TRY_CATCH_EXPR:
       return;
 
     case SAVE_EXPR:

gcc/invoke.texi

@@ -4518,6 +4518,7 @@ defaults.
 
 These @samp{-m} options are defined for the i386 family of computers:
 
+@table @code
 @item -mcpu=@var{cpu type}
 Assume the defaults for the machine type @var{cpu type} when scheduling
 instructions.  The choices for @var{cpu type} are: @samp{i386},