PR target/10114 and PR target/10084

	PR target/10114 and PR target/10084
	* dwarf2out.c (mem_loc_descriptor): Handle LO_SUM.

Co-Authored-By: Richard Henderson <rth@redhat.com>

From-SVN: r64947

gcc/ChangeLog

+2003-03-28  Eric Botcazou  <ebotcazou@libertysurf.fr>
+            Richard Henderson  <rth@redhat.com>
+
+	PR target/10114 and PR target/10084
+	* dwarf2out.c (mem_loc_descriptor): Handle LO_SUM.
+
 2003-03-27  Richard Henderson  <rth@redhat.com>
 
 	* config/alpha/alpha.md (adddi_er_high_l): Valid only after reload.

gcc/dwarf2out.c

@@ -8423,6 +8423,11 @@ mem_loc_descriptor (rtl, mode)
 	add_loc_descr (&mem_loc_result, new_loc_descr (DW_OP_deref, 0, 0));
       break;
 
+    case LO_SUM:
+	 rtl = XEXP (rtl, 1);
+
+      /* ... fall through ...  */
+
     case LABEL_REF:
       /* Some ports can transform a symbol ref into a label ref, because
  	 the symbol ref is too far away and has to be dumped into a constant

gcc/testsuite/ChangeLog

+2003-03-28  Eric Botcazou  <ebotcazou@libertysurf.fr>
+
+	* gcc.dg/sparc-dwarf2.c: New test.
+
 2003-03-27  Roger Sayle  <roger@eyesopen.com>
 
 	* gcc.c-torture/execute/ieee/fp-cmp-6.c: New test case.

gcc/testsuite/gcc.dg/sparc-dwarf2.c

+/* PR target/10114 */
+/* Originator: James Troup <james@nocrew.org> */
+/* { dg-do compile { target sparc-*-linux* } } */
+/* { dg-options "-g -O1" } */
+
+extern __inline double sqrt (double __x)
+{
+  register double __r;
+  __asm ("fsqrtd %1,%0" : "=f" (__r) : "f" (__x));
+  return __r;
+}
+
+static double our_skew, max_update_skew;
+
+static double Sqr(double x)
+{
+  return x*x;
+}
+
+void REF_SetReference(double skew)
+{
+  double previous_skew, new_skew;
+  double old_weight, new_weight, sum_weight;
+  double delta_freq1, delta_freq2;
+  double skew1, skew2;
+
+  previous_skew = our_skew;
+  skew1 = sqrt((Sqr(delta_freq1) * old_weight + Sqr(delta_freq2) * new_weight) / sum_weight);
+  skew2 = (previous_skew * old_weight + new_skew * new_weight) / sum_weight;
+  our_skew = skew1 + skew2;
+}