expr.c (store_field): Force usage of bitfield instructions when the field position requires it...

        * expr.c (store_field): Force usage of bitfield instructions when
        the field position requires it, whatever SLOW_UNALIGNED_ACCESS.
        (expand_expr, case BIT_FIELD_REF): likewise.

From-SVN: r65701

gcc/ChangeLog

+2003-04-16  Olivier Hainque <hainque@act-europe.fr>
+
+        * expr.c (store_field): Force usage of bitfield instructions when
+        the field position requires it, whatever SLOW_UNALIGNED_ACCESS.
+        (expand_expr, case BIT_FIELD_REF): likewise.
+
 2003-04-16  Mark Mitchell  <mark@codesourcery.com>
 
 	PR middle-end/8866

gcc/expr.c

@@ -5564,8 +5564,9 @@ store_field (target, bitsize, bitpos, mode, exp, value_mode, unsignedp, type,
       || GET_CODE (target) == SUBREG
       /* If the field isn't aligned enough to store as an ordinary memref,
 	 store it as a bit field.  */
-      || (mode != BLKmode && SLOW_UNALIGNED_ACCESS (mode, MEM_ALIGN (target))
-	  && (MEM_ALIGN (target) < GET_MODE_ALIGNMENT (mode)
+      || (mode != BLKmode
+	  && ((SLOW_UNALIGNED_ACCESS (mode, MEM_ALIGN (target))
+	       && (MEM_ALIGN (target) < GET_MODE_ALIGNMENT (mode)))
 	      || bitpos % GET_MODE_ALIGNMENT (mode)))
       /* If the RHS and field are a constant size and the size of the
 	 RHS isn't the same size as the bitfield, we must use bitfield
@@ -7504,9 +7505,8 @@ expand_expr (exp, target, tmode, modifier)
 	    /* If the field isn't aligned enough to fetch as a memref,
 	       fetch it as a bit field.  */
 	    || (mode1 != BLKmode
-		&& SLOW_UNALIGNED_ACCESS (mode1, MEM_ALIGN (op0))
-		&& ((TYPE_ALIGN (TREE_TYPE (tem))
-		     < GET_MODE_ALIGNMENT (mode))
+		&& ((TYPE_ALIGN (TREE_TYPE (tem)) < GET_MODE_ALIGNMENT (mode)
+		     && SLOW_UNALIGNED_ACCESS (mode1, MEM_ALIGN (op0)))
 		    || (bitpos % GET_MODE_ALIGNMENT (mode) != 0)))
 	    /* If the type and the field are a constant size and the
 	       size of the type isn't the same size as the bitfield,