re PR target/24969 (tmpdir-gcc.dg-struct-layout-1/t026 fails execution)

	PR target/24969
	* i386.c (classify_argument): Properly adjust offset of bitfield for
	substructures.

From-SVN: r108573

gcc/ChangeLog

+2005-12-15  Jan Hubicka  <jh@suse.cz>
+
+	PR target/24969
+	* i386.c (classify_argument): Properly adjust offset of bitfield for
+	substructures.
+
 2005-12-15  Richard Sandiford  <richard@codesourcery.com>
 
 	* final.c (final_scan_insn): Flip in_cold_section_p when changing

gcc/config/i386/i386.c

@@ -2659,8 +2659,8 @@ classify_argument (enum machine_mode mode, tree type,
 		     misaligned integers.  */
 		  if (DECL_BIT_FIELD (field))
 		    {
-		      for (i = int_bit_position (field) / 8 / 8;
-			   i < (int_bit_position (field)
+		      for (i = (int_bit_position (field) + (bit_offset % 64)) / 8 / 8;
+			   i < ((int_bit_position (field) + (bit_offset % 64))
 			        + tree_low_cst (DECL_SIZE (field), 0)
 				+ 63) / 8 / 8; i++)
 			classes[i] =