+2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ PR rtl-optimization/28243
+ * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
+ the insn to which the note was originally attached.
+
2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
Roger Sayle <roger@eyesopen.com>
continue;
}
- /* If the register is being set at TEM, see if that is all
- TEM is doing. If so, delete TEM. Otherwise, make this
- into a REG_UNUSED note instead. Don't delete sets to
- global register vars. */
- if ((REGNO (XEXP (note, 0)) >= FIRST_PSEUDO_REGISTER
- || !global_regs[REGNO (XEXP (note, 0))])
+ /* If TEM is a (reaching) definition of the use to which the
+ note was attached, see if that is all TEM is doing. If so,
+ delete TEM. Otherwise, make this into a REG_UNUSED note
+ instead. Don't delete sets to global register vars. */
+ if ((!from_insn
+ || INSN_CUID (tem) < INSN_CUID (from_insn))
+ && (REGNO (XEXP (note, 0)) >= FIRST_PSEUDO_REGISTER
+ || !global_regs[REGNO (XEXP (note, 0))])
&& reg_set_p (XEXP (note, 0), PATTERN (tem)))
{
rtx set = single_set (tem);
+2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
+
+ * gcc.dg/pr28243.c: New test.
+
2006-09-12 Paul Thomas <pault@gcc.gnu.org>
PR fortran/28971
--- /dev/null
+/* PR rtl-optimization/28243 */
+/* Reported by Mike Frysinger <vapier@gentoo.org> */
+
+/* { dg-do compile } */
+/* { dg-options "-O2 -ftracer -fPIC" } */
+
+struct displayfuncs {
+ void (*init) ();
+} funcs;
+
+struct gpsdisplay {
+ struct displayfuncs *funcs;
+};
+
+static void PSMyArc(double cx, double cy, double radx, double rady, double sa,
+ double ta)
+{
+ double ea;
+ double temp;
+ ea = sa + ta;
+ while (sa < ea) {
+ temp = ((sa + 90) / 90) * 90;
+ PSDoArc(cx, sa, ea < temp ? ea : temp);
+ sa = temp;
+ }
+}
+
+static void PSDrawElipse()
+{
+ float cx;
+ float cy;
+ float radx;
+ float rady;
+ if (radx != rady)
+ PSMyArc(cx, cy, radx, rady, 0, 360);
+}
+
+static void PSDrawFillCircle()
+{
+ PSDrawElipse();
+}
+
+static struct displayfuncs psfuncs[] = {
+ PSDrawFillCircle
+};
+
+void _GPSDraw_CreateDisplay()
+{
+ struct gpsdisplay *gdisp;
+ gdisp->funcs = (void *)&psfuncs;
+}