From: Bernd Schmidt <bernds@redhat.co.uk>
Date: Fri, 27 Oct 2000 12:56:40 +0000 (+0000)
Subject: Avoid incorrect setting of MEM_IN_STRUCT_P
X-Git-Tag: prereleases/gcc-2.95.3-test1~60
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=803854ab543354bf77abdbba0eeddf7407748481;p=thirdparty%2Fgcc.git

Avoid incorrect setting of MEM_IN_STRUCT_P

From-SVN: r37085
---

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index 396c43c536e1..af8ef3d16127 100644
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,8 @@
+2000-10-27  Bernd Schmidt  <bernds@redhat.co.uk>
+
+	* expr.c (expand_expr, case INDIRECT_REF): If the address is a
+	PLUS, that does not prove the object is in a structure.
+
 2000-08-25  David Edelsohn  <edelsohn@gnu.org>
 
 	* collect2.c (use_import_list): Always return 0 (disable).
diff --git a/gcc/expr.c b/gcc/expr.c
index 812e1fb661ce..98eadfa55995 100644
--- a/gcc/expr.c
+++ b/gcc/expr.c
@@ -6262,12 +6262,8 @@ expand_expr (exp, target, tmode, modifier)
 	  }
 
 	temp = gen_rtx_MEM (mode, op0);
-	/* If address was computed by addition,
-	   mark this as an element of an aggregate.  */
-	if (TREE_CODE (exp1) == PLUS_EXPR
-	    || (TREE_CODE (exp1) == SAVE_EXPR
-		&& TREE_CODE (TREE_OPERAND (exp1, 0)) == PLUS_EXPR)
-	    || AGGREGATE_TYPE_P (TREE_TYPE (exp))
+
+	if (AGGREGATE_TYPE_P (TREE_TYPE (exp))
 	    || (TREE_CODE (exp1) == ADDR_EXPR
 		&& (exp2 = TREE_OPERAND (exp1, 0))
 		&& AGGREGATE_TYPE_P (TREE_TYPE (exp2))))