*** empty log message ***

From-SVN: r1025

gcc/calls.c

@@ -1485,15 +1485,27 @@ expand_call (exp, target, ignore)
   else if (structure_value_addr)
     {
       if (target == 0 || GET_CODE (target) != MEM)
-	target = gen_rtx (MEM, TYPE_MODE (TREE_TYPE (exp)),
-			  memory_address (TYPE_MODE (TREE_TYPE (exp)),
-					  structure_value_addr));
+	{
+	  target = gen_rtx (MEM, TYPE_MODE (TREE_TYPE (exp)),
+			    memory_address (TYPE_MODE (TREE_TYPE (exp)),
+					    structure_value_addr));
+	  MEM_IN_STRUCT_P (target)
+	    = (TREE_CODE (TREE_TYPE (exp)) == ARRAY_TYPE
+	       || TREE_CODE (TREE_TYPE (exp)) == RECORD_TYPE
+	       || TREE_CODE (TREE_TYPE (exp)) == UNION_TYPE);
+	}
     }
   else if (pcc_struct_value)
     {
       if (target == 0)
-	target = gen_rtx (MEM, TYPE_MODE (TREE_TYPE (exp)),
-			  copy_to_reg (valreg));
+	{
+	  target = gen_rtx (MEM, TYPE_MODE (TREE_TYPE (exp)),
+			    copy_to_reg (valreg));
+	  MEM_IN_STRUCT_P (target)
+	    = (TREE_CODE (TREE_TYPE (exp)) == ARRAY_TYPE
+	       || TREE_CODE (TREE_TYPE (exp)) == RECORD_TYPE
+	       || TREE_CODE (TREE_TYPE (exp)) == UNION_TYPE);
+	}
       else if (TYPE_MODE (TREE_TYPE (exp)) != BLKmode)
 	emit_move_insn (target, gen_rtx (MEM, TYPE_MODE (TREE_TYPE (exp)),
 					 copy_to_reg (valreg)));

gcc/config/i960/i960.c

@@ -1919,7 +1919,8 @@ i960_function_arg_advance (cum, mode, type, named)
   i960_arg_size_and_align (mode, type, &size, &align);
 
   if (named == 0 || size > 4 || cum->ca_nstackparms != 0
-      || (size + ROUND (cum->ca_nregparms, align)) > NPARM_REGS)
+      || (size + ROUND (cum->ca_nregparms, align)) > NPARM_REGS
+      || MUST_PASS_IN_STACK (mode, type))
     cum->ca_nstackparms = ROUND (cum->ca_nstackparms, align) + size;
   else
     cum->ca_nregparms = ROUND (cum->ca_nregparms, align) + size;
@@ -1941,7 +1942,8 @@ i960_function_arg (cum, mode, type, named)
   i960_arg_size_and_align (mode, type, &size, &align);
 
   if (named == 0 || size > 4 || cum->ca_nstackparms != 0
-      || (size + ROUND (cum->ca_nregparms, align)) > NPARM_REGS)
+      || (size + ROUND (cum->ca_nregparms, align)) > NPARM_REGS
+      || MUST_PASS_IN_STACK (mode, type))
     {
       cum->ca_nstackparms = ROUND (cum->ca_nstackparms, align);
       ret = 0;

gcc/config/i960/i960.h

@@ -790,8 +790,13 @@ struct cum_args { int ca_nregparms; int ca_nstackparms; };
 /* Indicate the alignment boundary for an argument of the specified mode and
    type.  */
 #define FUNCTION_ARG_BOUNDARY(MODE, TYPE)				\
-  ((TYPE) && TYPE_ALIGN (TYPE) > PARM_BOUNDARY ? TYPE_ALIGN (TYPE)	\
-   : PARM_BOUNDARY)
+  (((TYPE) != 0)							\
+   ? ((TYPE_ALIGN (TYPE) <= PARM_BOUNDARY)				\
+      ? PARM_BOUNDARY							\
+      : TYPE_ALIGN (TYPE))						\
+   : ((GET_MODE_ALIGNMENT (MODE) <= PARM_BOUNDARY)			\
+      ? PARM_BOUNDARY							\
+      : GET_MODE_ALIGNMENT (MODE)))
 
 /* Determine where to put an argument to a function.
    Value is zero to push the argument on the stack,

gcc/function.c

@@ -3031,7 +3031,11 @@ locate_and_pad_parm (passed_mode, type, in_regs, fndecl,
      area reserved for registers, skip that area.  */
   if (! in_regs)
     {
+#ifdef MAYBE_REG_PARM_STACK_SPACE
+      reg_parm_stack_space = MAYBE_REG_PARM_STACK_SPACE;
+#else
       reg_parm_stack_space = REG_PARM_STACK_SPACE (fndecl);
+#endif
       if (reg_parm_stack_space > 0)
 	{
 	  if (initial_offset_ptr->var)