re PR target/17406 (ICE dwarf2out_frame_debug_expr, at dwarf2out.c:1692)

        PR target/17406
        * config/i386/i386.c (ix86_expand_prologue): Add REG_FRAME_RELATED_EXPR
        note for allocate_stack_worker insn.

From-SVN: r92662

gcc/ChangeLog

+2004-12-27  Richard Henderson  <rth@redhat.com>
+
+	PR target/17406
+	* config/i386/i386.c (ix86_expand_prologue): Add REG_FRAME_RELATED_EXPR
+	note for allocate_stack_worker insn.
+
 2004-12-27  Jason Merrill  <jason@redhat.com>
 
 	* doc/tm.texi (TARGET_RELAXED_ORDERING): Document.

gcc/config/i386/i386.c

@@ -4331,6 +4331,7 @@ ix86_expand_prologue (void)
       /* Only valid for Win32.  */
       rtx eax = gen_rtx_REG (SImode, 0);
       bool eax_live = ix86_eax_live_at_start_p ();
+      rtx t;
 
       if (TARGET_64BIT)
         abort ();
@@ -4341,15 +4342,17 @@ ix86_expand_prologue (void)
 	  allocate -= 4;
 	}
 
-      insn = emit_move_insn (eax, GEN_INT (allocate));
-      RTX_FRAME_RELATED_P (insn) = 1;
+      emit_move_insn (eax, GEN_INT (allocate));
 
       insn = emit_insn (gen_allocate_stack_worker (eax));
       RTX_FRAME_RELATED_P (insn) = 1;
+      t = gen_rtx_PLUS (Pmode, stack_pointer_rtx, GEN_INT (-allocate));
+      t = gen_rtx_SET (VOIDmode, stack_pointer_rtx, t);
+      REG_NOTES (insn) = gen_rtx_EXPR_LIST (REG_FRAME_RELATED_EXPR,
+					    t, REG_NOTES (insn));
 
       if (eax_live)
 	{
-	  rtx t;
 	  if (frame_pointer_needed)
 	    t = plus_constant (hard_frame_pointer_rtx,
 			       allocate