c4x.c (c4x_check_legit_addr): Rename to c4x_legitimate_address_p.

	* config/c4x/c4x.c (c4x_check_legit_addr): Rename to
	c4x_legitimate_address_p.  Fix post_modify check.
	* config/c4x/c4x-protos.h (c4x_check_legit_addr): Adjust.
	* config/c4x/c4x.h (c4x_check_legit_addr): Adjust.

From-SVN: r76601

gcc/ChangeLog

+2004-01-26  Michael Hayes  <m.hayes@elec.canterbury.ac.nz>
+
+	* config/c4x/c4x.c (c4x_check_legit_addr): Rename to
+	c4x_legitimate_address_p.  Fix post_modify check.
+	* config/c4x/c4x-protos.h (c4x_check_legit_addr): Adjust.
+	* config/c4x/c4x.h (c4x_check_legit_addr): Adjust.
+	
 2004-01-25  Kazu Hirata  <kazu@cs.umass.edu>
 
 	* config/pa/pa-protos.h: Remove the prototype for

gcc/config/c4x/c4x-protos.h

@@ -68,7 +68,7 @@ extern void c4x_init_builtins (void);
 #ifdef RTX_CODE
 extern struct rtx_def *c4x_gen_compare_reg (enum rtx_code, rtx, rtx);
 
-extern int c4x_check_legit_addr (enum machine_mode, rtx, int);
+extern int c4x_legitimate_address_p (enum machine_mode, rtx, int);
 
 extern int c4x_hard_regno_mode_ok (unsigned int, enum machine_mode);
 

gcc/config/c4x/c4x.c

@@ -1432,7 +1432,7 @@ c4x_emit_libcall_mulhi (rtx libcall, enum rtx_code code,
 
 
 int
-c4x_check_legit_addr (enum machine_mode mode, rtx addr, int strict)
+c4x_legitimate_address_p (enum machine_mode mode, rtx addr, int strict)
 {
   rtx base = NULL_RTX;		/* Base register (AR0-AR7).  */
   rtx indx = NULL_RTX;		/* Index register (IR0,IR1).  */
@@ -1471,7 +1471,9 @@ c4x_check_legit_addr (enum machine_mode mode, rtx addr, int strict)
 	    || (GET_CODE (op1) != PLUS && GET_CODE (op1) != MINUS))
 	  return 0;
 	base = XEXP (op1, 0);
-	if (base != op0)
+	if (! REG_P (base))
+	    return 0;
+	if (REGNO (base) != REGNO (op0))
 	  return 0;
 	if (REG_P (XEXP (op1, 1)))
 	  indx = XEXP (op1, 1);

gcc/config/c4x/c4x.h

@@ -1259,7 +1259,7 @@ CUMULATIVE_ARGS;
 
 #define GO_IF_LEGITIMATE_ADDRESS(MODE, X, ADDR)				\
 {									\
-  if (c4x_check_legit_addr (MODE, X, 0))				\
+  if (c4x_legitimate_address_p (MODE, X, 0))				\
     goto ADDR;								\
 }
 
@@ -1275,7 +1275,7 @@ CUMULATIVE_ARGS;
 
 #define GO_IF_LEGITIMATE_ADDRESS(MODE, X, ADDR)				\
 {									\
-  if (c4x_check_legit_addr (MODE, X, 1))				\
+  if (c4x_legitimate_address_p (MODE, X, 1))				\
     goto ADDR;								\
 }