function.c (assign_parms): Force MEM_EXPR (DECL_INCOMING_RTL (parm)) == parm.

	* function.c (assign_parms): Force
	MEM_EXPR (DECL_INCOMING_RTL (parm)) == parm.

From-SVN: r80882

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e57ce57ac9083d7febc1b6de779b3d80725634c9..68cec2a9dac5792ca23342c0dc37619bd325495f 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2004-04-20  Josef Zlomek  <zlomekj@suse.cz>
+
+       * function.c (assign_parms): Force
+       MEM_EXPR (DECL_INCOMING_RTL (parm)) == parm.
+
 2004-04-20  Josef Zlomek  <zlomekj@suse.cz>
 
        * var-tracking.c (variable_part_different_p): Variable parts differ

diff --git a/gcc/function.c b/gcc/function.c
index e03086403353471d00ff4f9fa6013e690c105b79..56a3814e941276fc38e21bfb6748414ba69d650e 100644 (file)
--- a/gcc/function.c
+++ b/gcc/function.c
@@ -5267,6 +5267,12 @@ assign_parms (tree fndecl)
            {
              SET_DECL_RTL (parm, DECL_RTL (fnargs));
              set_decl_incoming_rtl (parm, DECL_INCOMING_RTL (fnargs));
+
+             /* Set MEM_EXPR to the original decl, i.e. to PARM,
+                instead of the copy of decl, i.e. FNARGS.  */
+             if (DECL_INCOMING_RTL (parm)
+                 && GET_CODE (DECL_INCOMING_RTL (parm)) == MEM)
+               set_mem_expr (DECL_INCOMING_RTL (parm), parm);
            }
          fnargs = TREE_CHAIN (fnargs);
        }