re PR rtl-optimization/47008 (gfortran.dg/extends_{23}.f03 FAIL with -Os -fschedule-insns)

	PR rtl-optimization/47008
	* postreload.c (reload_combine_note_store): Also handle
	PRE_MODIFY and POST_MODIFY.

	* gfortran.dg/pr47008.f03: New test.

From-SVN: r168117

gcc/ChangeLog

+2010-12-21  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/47008
+	* postreload.c (reload_combine_note_store): Also handle
+	PRE_MODIFY and POST_MODIFY.
+
 2010-12-21  Ulrich Weigand  <Ulrich.Weigand@de.ibm.com>
 
 	* config/arm/arm.c (require_pic_register): Set INSN_LOCATOR for all

gcc/postreload.c

@@ -1415,7 +1415,8 @@ reload_combine_note_store (rtx dst, const_rtx set, void *data ATTRIBUTE_UNUSED)
     {
       dst = XEXP (dst, 0);
       if (GET_CODE (dst) == PRE_INC || GET_CODE (dst) == POST_INC
-	  || GET_CODE (dst) == PRE_DEC || GET_CODE (dst) == POST_DEC)
+	  || GET_CODE (dst) == PRE_DEC || GET_CODE (dst) == POST_DEC
+	  || GET_CODE (dst) == PRE_MODIFY || GET_CODE (dst) == POST_MODIFY)
 	{
 	  regno = REGNO (XEXP (dst, 0));
 	  mode = GET_MODE (XEXP (dst, 0));

gcc/testsuite/ChangeLog

+2010-12-21  Jakub Jelinek  <jakub@redhat.com>
+
+	PR rtl-optimization/47008
+	* gfortran.dg/pr47008.f03: New test.
+
 2010-12-21  Nicola Pero  <nicola.pero@meta-innovation.com>
 
 	PR libobjc/45953

gcc/testsuite/gfortran.dg/pr47008.f03

+! PR rtl-optimization/47008
+! { dg-do run }
+! { dg-options "-Os -fno-asynchronous-unwind-tables -fschedule-insns -fsched-pressure -fno-inline" { target i?86-*-* x86_64-*-* } }
+
+program main
+  type :: t
+    integer :: i
+    character(24) :: c
+    type (t), pointer :: p
+  end type t
+  type(t), pointer :: r, p
+  allocate (p)
+  p = t (123455, "", p)
+  r => entry ("", 123456, 1, "", 99, "", p)
+  if (p%i /= 123455) call abort
+contains
+  function entry (x, i, j, c, k, d, p) result (q)
+    integer :: i, j, k
+    character (*) :: x, c, d
+    type (t), pointer :: p, q
+    allocate (q)
+    q = t (i, c, p)
+  end function
+end program main