re PR rtl-optimization/11320 (Scheduler bug)

	PR rtl-optimization/11320
	* config/ia64/ia64.md (load_symptr_low): Show a MEM.
	* config/ia64/ia64.c (ia64_expand_load_address): Generate it.

From-SVN: r176280

gcc/ChangeLog

+2011-07-14  Bernd Schmidt  <bernds@codesourcery.com>
+
+	PR rtl-optimization/11320
+	* config/ia64/ia64.md (load_symptr_low): Show a MEM.
+	* config/ia64/ia64.c (ia64_expand_load_address): Generate it.
+
 2011-07-14  Georg-Johann Lay  <avr@gjlay.de>
-	
+
 	PR target/49487
 	* config/avr/avr.md (rotl<mode>3): Generate SCRATCH instead
 	of REG.

gcc/config/ia64/ia64.c

@@ -1047,7 +1047,7 @@ ia64_expand_load_address (rtx dest, rtx src)
       tmp = gen_rtx_PLUS (Pmode, tmp, pic_offset_table_rtx);
       emit_insn (gen_rtx_SET (VOIDmode, dest, tmp));
 
-      tmp = gen_rtx_LO_SUM (Pmode, dest, src);
+      tmp = gen_rtx_LO_SUM (Pmode, gen_const_mem (Pmode, dest), src);
       emit_insn (gen_rtx_SET (VOIDmode, dest, tmp));
 
       if (addend)

gcc/config/ia64/ia64.md

@@ -777,7 +777,7 @@
 
 (define_insn "*load_symptr_low"
   [(set (match_operand:DI 0 "register_operand" "=r")
-	(lo_sum:DI (match_operand:DI 1 "register_operand" "r")
+	(lo_sum:DI (mem:DI (match_operand:DI 1 "register_operand" "r"))
 		   (match_operand 2 "got_symbolic_operand" "s")))]
   "reload_completed"
 {