re PR target/46415 (mmix-knuth-mmixware --enable-werror-always build fails)

        PR target/46415
        * config/mmix/mmix-protos.h (mmix_local_alignment): Update prototype.
        (mmix_dbx_register_number): Likewise.
        * config/mmix/mmix.c: Include df.h .
        (mmix_local_alignment): Change argument basic_align and return type
        to unsigned.
        (mmix_dbx_register_number): Change argument and return type to
        unsigned.
        (mmix_expand_prologue): Use add_reg_note.

From-SVN: r166545

gcc/ChangeLog

@@ -116,6 +116,16 @@
 	(valid_psw_flag): Constify parameter which.
 	(rx_memory_move_cost): Change type of parameter regclass to reg_class_t.
 
+	PR target/46415
+	* config/mmix/mmix-protos.h (mmix_local_alignment): Update prototype.
+	(mmix_dbx_register_number): Likewise.
+	* config/mmix/mmix.c: Include df.h .
+	(mmix_local_alignment): Change argument basic_align and return type
+	to unsigned.
+	(mmix_dbx_register_number): Change argument and return type to
+	unsigned.
+	(mmix_expand_prologue): Use add_reg_note.
+
 2010-11-10  Laurynas Biveinis  <laurynas.biveinis@gmail.com>
 
 	PR/46268

gcc/config/mmix/mmix-protos.h

@@ -48,12 +48,12 @@ extern void mmix_output_register_setting (FILE *, int, HOST_WIDEST_INT, int);
 extern void mmix_conditional_register_usage (void);
 extern int mmix_opposite_regno (int, int);
 extern int mmix_local_regno (int);
-extern int mmix_dbx_register_number (int);
+extern unsigned mmix_dbx_register_number (unsigned);
 extern int mmix_use_simple_return (void);
 extern void mmix_make_decl_one_only (tree);
 extern int mmix_data_alignment (tree, int);
 extern int mmix_constant_alignment (tree, int);
-extern int mmix_local_alignment (tree, int);
+extern unsigned mmix_local_alignment (tree, unsigned);
 extern void mmix_asm_output_pool_prologue (FILE *, const char *, tree, int);
 extern void mmix_asm_output_aligned_common (FILE *, const char *, int, int);
 extern void mmix_asm_output_aligned_local (FILE *, const char *, int, int);

gcc/config/mmix/mmix.c

@@ -45,6 +45,7 @@ along with GCC; see the file COPYING3.  If not see
 #include "integrate.h"
 #include "target.h"
 #include "target-def.h"
+#include "df.h"
 
 /* First some local helper definitions.  */
 #define MMIX_FIRST_GLOBAL_REGNUM 32
@@ -327,8 +328,8 @@ mmix_constant_alignment (tree constant ATTRIBUTE_UNUSED, int basic_align)
 
 /* LOCAL_ALIGNMENT.  */
 
-int
-mmix_local_alignment (tree type ATTRIBUTE_UNUSED, int basic_align)
+unsigned
+mmix_local_alignment (tree type ATTRIBUTE_UNUSED, unsigned basic_align)
 {
   if (basic_align < 32)
     return 32;
@@ -1901,8 +1902,8 @@ mmix_asm_output_align (FILE *stream, int power)
 
 /* DBX_REGISTER_NUMBER.  */
 
-int
-mmix_dbx_register_number (int regno)
+unsigned
+mmix_dbx_register_number (unsigned regno)
 {
   /* Adjust the register number to the one it will be output as, dammit.
      It'd be nice if we could check the assumption that we're filling a
@@ -2110,14 +2111,12 @@ mmix_expand_prologue (void)
 							 offset)),
 			     tmpreg);
       RTX_FRAME_RELATED_P (insn) = 1;
-      REG_NOTES (insn)
-	= gen_rtx_EXPR_LIST (REG_FRAME_RELATED_EXPR,
-			     gen_rtx_SET (VOIDmode,
-					  gen_rtx_MEM (DImode,
-						       plus_constant (stack_pointer_rtx,
-								      offset)),
-					  retreg),
-			     REG_NOTES (insn));
+      add_reg_note (insn, REG_FRAME_RELATED_EXPR,
+		    gen_rtx_SET (VOIDmode,
+				 gen_rtx_MEM (DImode,
+					      plus_constant (stack_pointer_rtx,
+							     offset)),
+				 retreg));
 
       offset -= 8;
     }