re PR middle-end/55198 (libquadmath/math/fmaq.c:233:7: internal compiler error)

	PR middle-end/55198
	* expr.c (expand_expr_real_1): Don't use bitfield extraction for non
	BLKmode objects when EXPAND_MEMORY is specified.

From-SVN: r194822

gcc/ChangeLog

+2013-01-02  John David Anglin  <dave.anglin@nrc-cnrc.gc.ca>
+
+	PR middle-end/55198
+	* expr.c (expand_expr_real_1): Don't use bitfield extraction for non
+	BLKmode objects when EXPAND_MEMORY is specified.
+
 2013-01-02  Sriraman Tallam  <tmsriram@google.com>
 
 	* config/i386/i386.c (ix86_get_function_versions_dispatcher): Fix bug

gcc/expr.c

@@ -9960,7 +9960,8 @@ expand_expr_real_1 (tree exp, rtx target, enum machine_mode tmode,
 		&& GET_MODE_CLASS (mode) != MODE_COMPLEX_INT
 		&& GET_MODE_CLASS (mode) != MODE_COMPLEX_FLOAT
 		&& modifier != EXPAND_CONST_ADDRESS
-		&& modifier != EXPAND_INITIALIZER)
+		&& modifier != EXPAND_INITIALIZER
+		&& modifier != EXPAND_MEMORY)
 	    /* If the field is volatile, we always want an aligned
 	       access.  Do this in following two situations:
 	       1. the access is not already naturally