v850.c (compute_register_save_size): Correct register number.

        * v850.c (compute_register_save_size): Correct register
        number.
        * v850.md (save_interrupt, return_interrupt): Correct
        register number.
        * v850/lib1funcs.asm (save_interrupt): Correct register number.
        (return_interrupt): Use stack pointer, not element pointer.

From-SVN: r15550

gcc/ChangeLog

+Thu Sep 18 10:43:07 1997  Nick Clifton  <nickc@cygnus.com>
+ 
+ 	* v850.c (compute_register_save_size): Correct register
+ 	number.
+ 	* v850.md (save_interrupt, return_interrupt): Correct
+ 	register number.
+ 	* v850/lib1funcs.asm (save_interrupt): Correct register number.
+ 	(return_interrupt): Use stack pointer, not element pointer.
+
 1997-09-18  Brendan Kehoe  <brendan@lisa.cygnus.com>
 
 	* configure.in, configure: Make sure to create the stage* and include

gcc/config/v850/lib1funcs.asm

@@ -1157,7 +1157,7 @@ __save_r6_r9:
 	.align	2
 	.globl	__save_interrupt
 	.type	__save_interrupt,@function
-	/* Save registers r1, r5 on stack and load up with expected values */
+	/* Save registers r1, r4 on stack and load up with expected values */
 	/* Note, 12 bytes of stack have already been allocated. */
 	/* Called via:	jalr __save_interrupt,r10 */
 __save_interrupt:
@@ -1179,9 +1179,9 @@ __save_interrupt:
 __return_interrupt:
 	ld.w	0[sp],ep
 	ld.w	4[sp],gp
-	ld.w	8[ep],r1
-	ld.w	12[ep],r10
-	add	12,sp
+	ld.w	8[sp],r1
+ 	ld.w	12[sp],r10
+	add	16,sp
 	reti
 	.size	__return_interrupt,.-__return_interrupt
 #endif /* L_save_interrupt */

gcc/config/v850/v850.c

@@ -1386,7 +1386,7 @@ compute_register_save_size (p_reg_saved)
 	       These registers are handled specially, so don't list them
 	       on the list of registers to save in the prologue.  */
 	  case 1:		/* temp used to hold ep */
-	  case 5:		/* gp */
+	  case 4:		/* gp */
 	  case 10:		/* temp used to call interrupt save/restore */
 	  case EP_REGNUM:	/* ep */
 	    size += 4;

gcc/config/v850/v850.md

@@ -1120,7 +1120,7 @@
   [(set (reg:SI 3) (plus:SI (reg:SI 3) (const_int -16)))
    (set (mem:SI (reg:SI 3)) (reg:SI 30))
    (set (mem:SI (plus:SI (reg:SI 3) (const_int -4))) (reg:SI 10))
-   (set (mem:SI (plus:SI (reg:SI 3) (const_int -8))) (reg:SI 5))
+   (set (mem:SI (plus:SI (reg:SI 3) (const_int -8))) (reg:SI 4))
    (set (mem:SI (plus:SI (reg:SI 3) (const_int -12))) (reg:SI 1))]
   ""
   "add -16,sp\;st.w r10,12[sp]\;jarl __save_interrupt,r10"
@@ -1164,13 +1164,13 @@
  [(set_attr "length" "4")
   (set_attr "cc"     "clobber")])
 
-;; Restore r1, r5, r10, and return from the interrupt
+;; Restore r1, r4, r10, and return from the interrupt
 (define_insn "restore_interrupt"
   [(return)
    (set (reg:SI 3) (plus:SI (reg:SI 3) (const_int 16)))
    (set (reg:SI 30) (mem:SI (plus:SI (reg:SI 3) (const_int 12))))
    (set (reg:SI 10) (mem:SI (plus:SI (reg:SI 3) (const_int 8))))
-   (set (reg:SI 5)  (mem:SI (plus:SI (reg:SI 3) (const_int 4))))
+   (set (reg:SI 4)  (mem:SI (plus:SI (reg:SI 3) (const_int 4))))
    (set (reg:SI 1)  (mem:SI (reg:SI 3)))]
   ""
   "jr __return_interrupt"