local-alloc.c (update_equiv_regs): Update reg_equiv_init properly when moving an…

local-alloc.c (update_equiv_regs): Update reg_equiv_init properly when moving an initialization insn.

        * local-alloc.c (update_equiv_regs): Update reg_equiv_init
        properly when moving an initialization insn.

From-SVN: r101132

gcc/ChangeLog

+2005-06-17  Richard Henderson  <rth@redhat.com>
+
+	* local-alloc.c (update_equiv_regs): Update reg_equiv_init
+	properly when moving an initialization insn.
+
 2005-06-17  Paolo Bonzini  <bonzini@gnu.org>
 
 	* aclocal.m4 (gcc_AC_CHECK_TOOL): Do not overwrite the

gcc/local-alloc.c

@@ -1177,7 +1177,8 @@ update_equiv_regs (void)
 			 info.  */
 		      SET_REGNO_REG_SET (&cleared_regs, regno);
 		      clear_regnos++;
-		      reg_equiv_init[regno] = NULL_RTX;
+		      reg_equiv_init[regno]
+			= gen_rtx_INSN_LIST (VOIDmode, new_insn, NULL_RTX);
 		    }
 		}
 	    }