* expmed.c (extract_bit_field): Always use adjust_address for MEM.

	* gcc.c-torture/execute/20080222-1.c: New test.


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@132573 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 8 insertions, 11 deletions

diff --git a/gcc/expmed.c b/gcc/expmed.c
index 09a58dedba2..04071d375ed 100644
--- a/gcc/expmed.c
+++ b/gcc/expmed.c
@@ -1339,18 +1339,15 @@ extract_bit_field_1 (rtx str_rtx, unsigned HOST_WIDE_INT bitsize,
 		  || (offset * BITS_PER_UNIT % bitsize == 0
 		      && MEM_ALIGN (op0) % bitsize == 0)))))
     {
-      if (mode1 != GET_MODE (op0))
+      if (MEM_P (op0))
+	op0 = adjust_address (op0, mode1, offset);
+      else if (mode1 != GET_MODE (op0))
 	{
-	  if (MEM_P (op0))
-	    op0 = adjust_address (op0, mode1, offset);
-	  else
-	    {
-	      rtx sub = simplify_gen_subreg (mode1, op0, GET_MODE (op0),
-					     byte_offset);
-	      if (sub == NULL)
-		goto no_subreg_mode_swap;
-	      op0 = sub;
-	    }
+	  rtx sub = simplify_gen_subreg (mode1, op0, GET_MODE (op0),
+					 byte_offset);
+	  if (sub == NULL)
+	    goto no_subreg_mode_swap;
+	  op0 = sub;
 	}
       if (mode1 != mode)
 	return convert_to_mode (tmode, op0, unsignedp);