reload1.c (emit_reload_insns): Set reg_has_output_reload to one after setting…

reload1.c (emit_reload_insns): Set reg_has_output_reload to one after setting reg_last_reload_reg for optional...

	* reload1.c (emit_reload_insns): Set reg_has_output_reload to one
	after setting reg_last_reload_reg for optional output reloads.

From-SVN: r80666

gcc/ChangeLog

+2004-04-13  Ulrich Weigand  <uweigand@de.ibm.com>
+
+	* reload1.c (emit_reload_insns): Set reg_has_output_reload to one
+	after setting reg_last_reload_reg for optional output reloads.
+
 2004-04-12  Fariborz Jahanian <fjahanian@apple.com>
 
 	* config/rs6000/altivec.h (vec_mergeh, vec_mergel):

gcc/reload1.c

@@ -7324,6 +7324,10 @@ emit_reload_insns (struct insn_chain *chain)
 			CLEAR_HARD_REG_BIT (reg_reloaded_died, src_regno);
 		    }
 		  reg_last_reload_reg[nregno] = src_reg;
+		  /* We have to set reg_has_output_reload here, or else 
+		     forget_old_reloads_1 will clear reg_last_reload_reg
+		     right away.  */
+		  reg_has_output_reload[nregno] = 1;
 		}
 	    }
 	  else