re PR target/38208 (gcc.c-torture/compile/20080806-1.c)

	PR target/38208
	* reload1.c (eliminate_regs_in_insn): For trunc_int_for_mode use
	mode of PLUS, not mode of the eliminated register.

From-SVN: r142088

gcc/ChangeLog

+2008-11-21  Jakub Jelinek  <jakub@redhat.com>
+
+	PR target/38208
+	* reload1.c (eliminate_regs_in_insn): For trunc_int_for_mode use
+	mode of PLUS, not mode of the eliminated register.
+
 2008-11-21  Uros Bizjak  <ubizjak@gmail.com>
 
 	* config/i386/mmx.md (mmx_nand<mode>3): Rename to mmx_andnot<mode>3.

gcc/reload1.c

 /* Reload pseudo regs into hard regs for insns that require hard regs.
    Copyright (C) 1987, 1988, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007
+   1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
    Free Software Foundation, Inc.
 
 This file is part of GCC.
@@ -3299,7 +3299,7 @@ eliminate_regs_in_insn (rtx insn, int replace)
 	  {
 	    rtx to_rtx = ep->to_rtx;
 	    offset += ep->offset;
-	    offset = trunc_int_for_mode (offset, GET_MODE (reg));
+	    offset = trunc_int_for_mode (offset, GET_MODE (plus_cst_src));
 
 	    if (GET_CODE (XEXP (plus_cst_src, 0)) == SUBREG)
 	      to_rtx = gen_lowpart (GET_MODE (XEXP (plus_cst_src, 0)),