pa.c (hppa_init_pic_save): Set rtx_unchanging for PIC_OFFSET_TABLE_SAVE_RTX.

	* pa.c (hppa_init_pic_save): Set rtx_unchanging for
	PIC_OFFSET_TABLE_SAVE_RTX.

From-SVN: r41329

gcc/ChangeLog

 2001-04-13  Alan Modra  <amodra@one.net.au>
 
+	* pa.c (hppa_init_pic_save): Set rtx_unchanging for
+	PIC_OFFSET_TABLE_SAVE_RTX.
+
 	* pa.c (uint32_operand): Don't use long constant >= 2^32.
 	(emit_move_sequence): Use HOST_WIDE_INT constants.  Don't worry
 	about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.

gcc/config/pa/pa.c

@@ -3348,6 +3348,7 @@ hppa_init_pic_save ()
 
   picreg = gen_rtx_REG (word_mode, PIC_OFFSET_TABLE_REGNUM);
   PIC_OFFSET_TABLE_SAVE_RTX = gen_reg_rtx (Pmode);
+  RTX_UNCHANGING_P (PIC_OFFSET_TABLE_SAVE_RTX) = 1;
   insn = gen_rtx_SET (VOIDmode, PIC_OFFSET_TABLE_SAVE_RTX, picreg);
 
   /* Emit the insn at the beginning of the function after the prologue.  */