h8300-protos.h: Add prototypes for h8300_hard_regno_nregs and h8300_hard_regno_mode_ok.

	* config/h8300/h8300-protos.h: Add prototypes for
	h8300_hard_regno_nregs and h8300_hard_regno_mode_ok.
	* config/h8300/h8300.c (h8300_hard_regno_nregs): New.
	(h8300_hard_regno_mode_ok): Likewise.
	* config/h8300/h8300.h (HARD_REGNO_NREGS): Call
	h8300_hard_regno_nregs().
	(HARD_REGNO_MODE_OK): Call h8300_hard_regno_mode_ok().

From-SVN: r78050

gcc/ChangeLog

+2004-02-18  Kazu Hirata  <kazu@cs.umass.edu>
+
+	* config/h8300/h8300-protos.h: Add prototypes for
+	h8300_hard_regno_nregs and h8300_hard_regno_mode_ok.
+	* config/h8300/h8300.c (h8300_hard_regno_nregs): New.
+	(h8300_hard_regno_mode_ok): Likewise.
+	* config/h8300/h8300.h (HARD_REGNO_NREGS): Call
+	h8300_hard_regno_nregs().
+	(HARD_REGNO_MODE_OK): Call h8300_hard_regno_mode_ok().
+
 2004-02-18  Per Bothner  <per@bothner.com>
 
 	* cpphash.h (struct cpp_buffer):  Restore return_at_eof field.  This

gcc/config/h8300/h8300-protos.h

@@ -104,6 +104,8 @@ extern int h8300_current_function_interrupt_function_p (void);
 extern int h8300_initial_elimination_offset (int, int);
 extern int h8300_regs_ok_for_stm (int, rtx[]);
 extern int h8300_hard_regno_rename_ok (unsigned int, unsigned int);
+extern int h8300_hard_regno_nregs (int, enum machine_mode);
+extern int h8300_hard_regno_mode_ok (int, enum machine_mode);
 
 struct cpp_reader;
 extern void h8300_pr_interrupt (struct cpp_reader *);

gcc/config/h8300/h8300.c

@@ -4706,6 +4706,32 @@ h8300_legitimate_address_p (rtx x, int strict)
 
   return 0;
 }
+
+/* Worker function for HARD_REGNO_NREGS.
+
+   We pretend the MAC register is 32bits -- we don't have any data
+   types on the H8 series to handle more than 32bits.  */
+
+int
+h8300_hard_regno_nregs (int regno ATTRIBUTE_UNUSED, enum machine_mode mode)
+{
+  return (GET_MODE_SIZE (mode) + UNITS_PER_WORD - 1) / UNITS_PER_WORD;
+}
+
+/* Worker function for HARD_REGNO_MODE_OK.  */
+
+int
+h8300_hard_regno_mode_ok (int regno, enum machine_mode mode)
+{
+  if (TARGET_H8300)
+    /* If an even reg, then anything goes.  Otherwise the mode must be
+       QI or HI.  */
+    return ((regno & 1) == 0) || (mode == HImode) || (mode == QImode);
+  else
+    /* MAC register can only be of SImode.  Otherwise, anything
+       goes.  */
+    return regno == MAC_REG ? mode == SImode : 1;
+}
 
 /* Perform target dependent optabs initialization.  */
 static void

gcc/config/h8300/h8300.h

@@ -316,29 +316,11 @@ extern int target_flags;
     fixed_regs[MAC_REG] = call_used_regs[MAC_REG] = 1;	\
 }
 
-/* Return number of consecutive hard regs needed starting at reg REGNO
-   to hold something of mode MODE.
+#define HARD_REGNO_NREGS(REGNO, MODE)		\
+  h8300_hard_regno_nregs ((REGNO), (MODE))
 
-   This is ordinarily the length in words of a value of mode MODE
-   but can be less for certain modes in special long registers.
-
-   We pretend the MAC register is 32bits -- we don't have any data
-   types on the H8 series to handle more than 32bits.  */
-
-#define HARD_REGNO_NREGS(REGNO, MODE)   \
-   ((GET_MODE_SIZE (MODE) + UNITS_PER_WORD - 1) / UNITS_PER_WORD)
-
-/* Value is 1 if hard register REGNO can hold a value of machine-mode
-   MODE.
-
-   H8/300: If an even reg, then anything goes. Otherwise the mode must be QI
-           or HI.
-   H8/300H: Anything goes.  */
-
-#define HARD_REGNO_MODE_OK(REGNO, MODE)					\
-  (TARGET_H8300								\
-   ? ((((REGNO) & 1) == 0) || ((MODE) == HImode) || ((MODE) == QImode))	\
-   : (REGNO) == MAC_REG ? (MODE) == SImode : 1)
+#define HARD_REGNO_MODE_OK(REGNO, MODE)		\
+  h8300_hard_regno_mode_ok ((REGNO), (MODE))
 
 /* Value is 1 if it is a good idea to tie two pseudo registers
    when one has mode MODE1 and one has mode MODE2.