PR target/24969

	* i386.c (classify_argument): Properly adjust offset of bitfield for
	substructures.

git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@108573 138bc75d-0d04-0410-961f-82ee72b054a4

diff --git a/gcc/ChangeLog b/gcc/ChangeLog
index e6a02e1..288eafe 100644 (file)
--- a/gcc/ChangeLog
+++ b/gcc/ChangeLog
@@ -1,3 +1,9 @@
+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

diff --git a/gcc/config/i386/i386.c b/gcc/config/i386/i386.c
index 7457218..bfcfb61 100644 (file)
--- a/gcc/config/i386/i386.c
+++ b/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] =