xtensa.md (set_frame_ptr): Change rtl to set reg a7.

        * config/xtensa/xtensa.md (set_frame_ptr): Change rtl to set reg a7.
        * config/xtensa/xtensa.c (xtensa_reorg): Search for UNSPECV_SET_FP
        as a SET pattern.

From-SVN: r62730

gcc/ChangeLog

+2003-02-11  Bob Wilson  <bob.wilson@acm.org>
+
+	* config/xtensa/xtensa.md (set_frame_ptr): Change rtl to set reg a7.
+	* config/xtensa/xtensa.c (xtensa_reorg): Search for UNSPECV_SET_FP
+	as a SET pattern.
+
 2003-02-11  Roger Sayle  <roger@eyesopen.com>
 
 	* builtins.c:  Fix failure caused by commiting wrong patch.

gcc/config/xtensa/xtensa.c

@@ -2241,8 +2241,9 @@ xtensa_reorg (first)
 	continue;
 
       pat = PATTERN (insn);
-      if (GET_CODE (pat) == UNSPEC_VOLATILE
-	  && (XINT (pat, 1) == UNSPECV_SET_FP))
+      if (GET_CODE (pat) == SET
+	  && GET_CODE (SET_SRC (pat)) == UNSPEC_VOLATILE
+	  && (XINT (SET_SRC (pat), 1) == UNSPECV_SET_FP))
 	{
 	  set_frame_ptr_insn = insn;
 	  break;

gcc/config/xtensa/xtensa.md

@@ -2387,7 +2387,7 @@
 ;; to set up the frame pointer.
 
 (define_insn "set_frame_ptr"
-  [(unspec_volatile [(const_int 0)] UNSPECV_SET_FP)]
+  [(set (reg:SI A7_REG) (unspec_volatile [(const_int 0)] UNSPECV_SET_FP))]
   ""
   "*
 {
@@ -2401,7 +2401,7 @@
 
 ;; Post-reload splitter to remove fp assignment when it's not needed.
 (define_split
-  [(unspec_volatile [(const_int 0)] UNSPECV_SET_FP)]
+  [(set (reg:SI A7_REG) (unspec_volatile [(const_int 0)] UNSPECV_SET_FP))]
   "reload_completed && !frame_pointer_needed"
   [(unspec [(const_int 0)] UNSPEC_NOP)]
   "")