* 41intnam.ads, 42intnam.ads, 4aintnam.ads, 4cintnam.ads,

	4dintnam.ads, 4gintnam.ads, 4hintnam.ads, 4lintnam.ads,
	4mintnam.ads, 4pintnam.ads, 4rintnam.ads, 4sintnam.ads,
	4uintnam.ads, 4vcalend.adb, 4zintnam.ads, 52system.ads,
	5amastop.adb, 5asystem.ads, 5ataprop.adb, 5atpopsp.adb,
	5avxwork.ads, 5bosinte.adb, 5bsystem.ads, 5esystem.ads,
	5fsystem.ads, 5ftaprop.adb, 5ginterr.adb, 5gmastop.adb,
	5gsystem.ads, 5gtaprop.adb, 5gtasinf.adb, 5gtasinf.ads,
	5hparame.ads, 5hsystem.ads, 5htaprop.adb, 5htraceb.adb,
	5itaprop.adb, 5ksystem.ads, 5kvxwork.ads, 5lintman.adb,
	5lsystem.ads, 5mvxwork.ads, 5ninmaop.adb, 5nosinte.ads,
	5ntaprop.adb, 5ointerr.adb, 5omastop.adb, 5oosinte.adb,
	5osystem.ads, 5otaprop.adb, 5otaspri.ads, 5pvxwork.ads,
	5qtaprop.adb, 5sintman.adb, 5ssystem.ads, 5staprop.adb,
	5stpopse.adb, 5svxwork.ads, 5tosinte.ads, 5uintman.adb,
	5vasthan.adb, 5vinmaop.adb, 5vinterr.adb, 5vintman.adb,
	5vmastop.adb, 5vparame.ads, 5vsystem.ads, 5vtaprop.adb,
	5vtpopde.adb, 5wmemory.adb, 5wsystem.ads, 5wtaprop.adb,
	5ysystem.ads, 5zinterr.adb, 5zintman.adb, 5zosinte.adb,
	5zosinte.ads, 5zsystem.ads, 5ztaprop.adb, 6vcpp.adb, 6vcstrea.adb,
	7sintman.adb, 7staprop.adb, 7stpopsp.adb, 9drpc.adb,
	Make-lang.in, Makefile.in, a-caldel.adb, a-comlin.ads,
	a-dynpri.adb, a-except.adb, a-except.ads, a-finali.adb,
	a-ncelfu.ads, a-reatim.adb, a-retide.adb, a-stream.ads,
	a-ststio.adb, a-ststio.ads, a-stwifi.adb, a-tags.adb, a-tasatt.adb,
	a-textio.adb, a-tideau.adb, a-tiflau.adb, a-tigeau.adb,
	a-tigeau.ads, a-tiinau.adb, a-timoau.adb, a-witeio.adb,
	a-wtdeau.adb, a-wtenau.adb, a-wtflau.adb, a-wtgeau.adb,
	a-wtgeau.ads, a-wtinau.adb, a-wtmoau.adb, ada-tree.def, ada-tree.h,
	adaint.c, adaint.h, ali-util.adb, ali.adb, ali.ads, atree.adb,
	atree.ads, atree.h, back_end.adb, bcheck.adb, bindgen.adb,
	bindusg.adb, checks.adb, comperr.adb, config-lang.in, csets.adb,
	csets.ads, cstand.adb, cstreams.c, debug.adb, debug.ads, decl.c,
	einfo.adb, einfo.ads, einfo.h, elists.h, errout.adb, errout.ads,
	eval_fat.adb, exp_aggr.adb, exp_attr.adb, exp_ch11.adb,
	exp_ch12.adb, exp_ch13.adb, exp_ch2.adb, exp_ch3.adb, exp_ch3.ads,
	exp_ch4.adb, exp_ch5.adb, exp_ch6.adb, exp_ch7.adb, exp_ch7.ads,
	exp_ch9.adb, exp_ch9.ads, exp_dbug.adb, exp_dbug.ads, exp_disp.ads,
	exp_dist.adb, exp_fixd.adb, exp_intr.adb, exp_pakd.adb,
	exp_prag.adb, exp_strm.adb, exp_util.adb, exp_util.ads,
	expander.adb, expect.c, fe.h, fmap.adb, fmap.ads, fname-uf.adb,
	freeze.adb, frontend.adb, g-awk.adb, g-cgideb.adb, g-comlin.adb,
	g-comlin.ads, g-debpoo.adb, g-dirope.adb, g-dirope.ads,
	g-dyntab.adb, g-expect.adb, g-expect.ads, g-io.ads, g-io_aux.adb,
	g-io_aux.ads, g-locfil.adb, g-locfil.ads, g-os_lib.adb,
	g-os_lib.ads, g-regexp.adb, g-regpat.adb, g-socket.adb,
	g-socket.ads, g-spipat.adb, g-table.adb, g-trasym.adb,
	g-trasym.ads, gigi.h, gmem.c, gnat1drv.adb, gnatbind.adb, gnatbl.c,
	gnatchop.adb, gnatcmd.adb, gnatdll.adb, gnatfind.adb, gnatlbr.adb,
	gnatlink.adb, gnatls.adb, gnatmem.adb, gnatprep.adb, gnatvsn.ads,
	gnatxref.adb, hlo.adb, hostparm.ads, i-cobol.adb, i-cpp.adb,
	i-cstrea.ads, i-cstrin.adb, i-pacdec.adb, i-vxwork.ads,
	impunit.adb, init.c, inline.adb, io-aux.c, layout.adb, lib-load.adb,
	lib-util.adb, lib-writ.adb, lib-writ.ads, lib-xref.adb,
	lib-xref.ads, lib.adb, lib.ads, make.adb, makeusg.adb, mdll.adb,
	memroot.adb, misc.c, mlib-tgt.adb, mlib-utl.adb, mlib-utl.ads,
	mlib.adb, namet.adb, namet.ads, namet.h, nlists.h, nmake.adb,
	nmake.ads, nmake.adt, opt.adb, opt.ads, osint.adb, osint.ads,
	output.adb, output.ads, par-ch2.adb, par-ch3.adb, par-ch5.adb,
	par-prag.adb, par-tchk.adb, par-util.adb, par.adb, prj-attr.adb,
	prj-dect.adb, prj-env.adb, prj-env.ads, prj-nmsc.adb, prj-part.adb,
	prj-proc.adb, prj-strt.adb, prj-tree.adb, prj-tree.ads, prj.adb,
	prj.ads, raise.c, raise.h, repinfo.adb, restrict.adb, restrict.ads,
	rident.ads, rtsfind.adb, rtsfind.ads, s-arit64.adb, s-asthan.adb,
	s-atacco.adb, s-atacco.ads, s-auxdec.adb, s-crc32.adb, s-crc32.ads,
	s-direio.adb, s-fatgen.adb, s-fileio.adb, s-finimp.adb,
	s-gloloc.adb, s-gloloc.ads, s-interr.adb, s-mastop.adb,
	s-mastop.ads, s-memory.adb, s-parame.ads, s-parint.adb,
	s-pooglo.adb, s-pooloc.adb, s-rpc.adb, s-secsta.adb, s-sequio.adb,
	s-shasto.adb, s-soflin.adb, s-soflin.ads, s-stache.adb,
	s-taasde.adb, s-taasde.ads, s-tadeca.adb, s-tadeca.ads,
	s-tadert.adb, s-tadert.ads, s-taenca.adb, s-taenca.ads,
	s-taprob.adb, s-taprop.ads, s-tarest.adb, s-tasdeb.adb,
	s-tasini.adb, s-tasini.ads, s-taskin.adb, s-taskin.ads,
	s-tasque.adb, s-tasque.ads, s-tasren.adb, s-tasren.ads,
	s-tassta.adb, s-tasuti.adb, s-tasuti.ads, s-tataat.adb,
	s-tataat.ads, s-tpoben.adb, s-tpoben.ads, s-tpobop.adb,
	s-tposen.adb, s-tposen.ads, s-traceb.adb, s-traceb.ads,
	s-unstyp.ads, s-widenu.adb, scn-nlit.adb, scn.adb, sem.adb,
	sem_aggr.adb, sem_attr.adb, sem_attr.ads, sem_case.adb,
	sem_ch10.adb, sem_ch11.adb, sem_ch11.ads, sem_ch12.adb,
	sem_ch13.adb, sem_ch13.ads, sem_ch2.adb, sem_ch3.adb, sem_ch3.ads,
	sem_ch4.adb, sem_ch5.adb, sem_ch6.adb, sem_ch6.ads, sem_ch7.adb,
	sem_ch8.adb, sem_ch8.ads, sem_ch9.adb, sem_disp.adb, sem_dist.adb,
	sem_elab.adb, sem_elim.adb, sem_elim.ads, sem_eval.adb,
	sem_intr.adb, sem_mech.adb, sem_prag.adb, sem_res.adb,
	sem_type.adb, sem_util.adb, sem_util.ads, sem_vfpt.adb,
	sem_warn.adb, sinfo.adb, sinfo.ads, sinfo.h, sinput-l.adb,
	sinput-l.ads, sinput.adb, sinput.ads, snames.adb, snames.ads,
	snames.h, sprint.adb, sprint.ads, stringt.adb, stringt.ads,
	stringt.h, style.adb, switch.adb, switch.ads, sysdep.c, system.ads,
	table.adb, targparm.adb, targparm.ads, targtyps.c, tbuild.adb,
	tbuild.ads, tracebak.c, trans.c, tree_gen.adb, tree_io.adb,
	treepr.adb, treepr.ads, treeprs.ads, treeprs.adt, ttypes.ads,
	types.adb, types.ads, types.h, uintp.ads, urealp.ads, usage.adb,
	utils.c, utils2.c, validsw.adb, xnmake.adb, xr_tabls.adb,
	xr_tabls.ads, xref_lib.adb, xref_lib.ads : Merge in ACT changes.

	* 1ssecsta.adb, 1ssecsta.ads, a-chlat9.ads, a-cwila9.ads,
	g-enblsp.adb, g-md5.adb, g-md5.ads, gnatname.adb, gnatname.ads,
	mkdir.c, osint-b.adb, osint-b.ads, osint-c.adb, osint-c.ads,
	osint-l.adb, osint-l.ads, osint-m.adb, osint-m.ads : New files

	* 3lsoccon.ads, 5qparame.ads, 5qvxwork.ads, 5smastop.adb,
	5zparame.ads, gnatmain.adb, gnatmain.ads, gnatpsys.adb : Removed

	* mdllfile.adb, mdllfile.ads, mdlltool.adb, mdlltool.ads : Renamed
	to mdll-fil.ad[bs] and mdll-util.ad[bs]

	* mdll-fil.adb, mdll-fil.ads, mdll-utl.adb, mdll-utl.ads : Renamed
	from mdllfile.ad[bs] and mdlltool.ad[bs]


git-svn-id: svn+ssh://gcc.gnu.org/svn/gcc/trunk@50451 138bc75d-0d04-0410-961f-82ee72b054a4

1 files changed, 98 insertions, 8 deletions

diff --git a/gcc/ada/exp_util.adb b/gcc/ada/exp_util.adb
index 66bf2a96e5b..7c17fb65017 100644
--- a/gcc/ada/exp_util.adb
+++ b/gcc/ada/exp_util.adb
@@ -6,9 +6,9 @@
 --                                                                          --
 --                                 B o d y                                  --
 --                                                                          --
---                            $Revision: 1.8 $
+--                            $Revision$
 --                                                                          --
---          Copyright (C) 1992-2001, Free Software Foundation, Inc.         --
+--          Copyright (C) 1992-2002, Free Software Foundation, Inc.         --
 --                                                                          --
 -- GNAT is free software;  you can  redistribute it  and/or modify it under --
 -- terms of the  GNU General Public License as published  by the Free Soft- --
@@ -50,9 +50,11 @@ with Sem_Util; use Sem_Util;
 with Sinfo;    use Sinfo;
 with Stand;    use Stand;
 with Stringt;  use Stringt;
+with Targparm; use Targparm;
 with Tbuild;   use Tbuild;
 with Ttypes;   use Ttypes;
 with Uintp;    use Uintp;
+with Urealp;   use Urealp;
 with Validsw;  use Validsw;
 
 package body Exp_Util is
@@ -98,7 +100,6 @@ package body Exp_Util is
    function Build_Task_Record_Image
      (Loc    : Source_Ptr;
       Id_Ref : Node_Id;
-      A_Type : Entity_Id;
       Dyn    : Boolean := False)
       return Node_Id;
    --  Build function to generate the image string for a task that is a
@@ -633,7 +634,7 @@ package body Exp_Util is
             T_Id :=
               Make_Defining_Identifier (Loc,
                 New_External_Name (Chars (Selector_Name (Id_Ref)), 'I'));
-            Fun := Build_Task_Record_Image (Loc, Id_Ref, A_Type, Is_Dyn);
+            Fun := Build_Task_Record_Image (Loc, Id_Ref, Is_Dyn);
 
          elsif Nkind (Id_Ref) = N_Indexed_Component then
             T_Id :=
@@ -786,7 +787,6 @@ package body Exp_Util is
    function Build_Task_Record_Image
      (Loc    : Source_Ptr;
       Id_Ref : Node_Id;
-      A_Type : Entity_Id;
       Dyn    : Boolean := False)
       return   Node_Id
    is
@@ -1657,7 +1657,6 @@ package body Exp_Util is
                   if Nkind (Parent (P)) = N_Aggregate
                     and then Present (Aggregate_Bounds (Parent (P)))
                     and then Nkind (First (Choices (P))) = N_Others_Choice
-                    and then Nkind (First (Ins_Actions)) /= N_Freeze_Entity
                   then
                      if No (Loop_Actions (P)) then
                         Set_Loop_Actions (P, Ins_Actions);
@@ -2093,12 +2092,20 @@ package body Exp_Util is
          Remove_Handler_Entries (N);
          Remove_Warning_Messages (N);
 
-         --  Recurse into block statements to process declarations/statements
+         --  Recurse into block statements and bodies to process declarations
+         --  and statements
 
-         if Nkind (N) = N_Block_Statement then
+         if Nkind (N) = N_Block_Statement
+           or else Nkind (N) = N_Subprogram_Body
+           or else Nkind (N) = N_Package_Body
+         then
             Kill_Dead_Code (Declarations (N));
             Kill_Dead_Code (Statements (Handled_Statement_Sequence (N)));
 
+            if Nkind (N) = N_Subprogram_Body then
+               Set_Is_Eliminated (Defining_Entity (N));
+            end if;
+
          --  Recurse into composite statement to kill individual statements,
          --  in particular instantiations.
 
@@ -2168,6 +2175,89 @@ package body Exp_Util is
       end if;
    end Known_Non_Negative;
 
+   --------------------------
+   -- Target_Has_Fixed_Ops --
+   --------------------------
+
+   Integer_Sized_Small : Ureal;
+   --  Set to 2.0 ** -(Integer'Size - 1) the first time that this
+   --  function is called (we don't want to compute it more than once!)
+
+   Long_Integer_Sized_Small : Ureal;
+   --  Set to 2.0 ** -(Long_Integer'Size - 1) the first time that this
+   --  functoin is called (we don't want to compute it more than once)
+
+   First_Time_For_THFO : Boolean := True;
+   --  Set to False after first call (if Fractional_Fixed_Ops_On_Target)
+
+   function Target_Has_Fixed_Ops
+     (Left_Typ   : Entity_Id;
+      Right_Typ  : Entity_Id;
+      Result_Typ : Entity_Id)
+      return       Boolean
+   is
+      function Is_Fractional_Type (Typ : Entity_Id) return Boolean;
+      --  Return True if the given type is a fixed-point type with a small
+      --  value equal to 2 ** (-(T'Object_Size - 1)) and whose values have
+      --  an absolute value less than 1.0. This is currently limited
+      --  to fixed-point types that map to Integer or Long_Integer.
+
+      ------------------------
+      -- Is_Fractional_Type --
+      ------------------------
+
+      function Is_Fractional_Type (Typ : Entity_Id) return Boolean is
+      begin
+         if Esize (Typ) = Standard_Integer_Size then
+            return Small_Value (Typ) = Integer_Sized_Small;
+
+         elsif Esize (Typ) = Standard_Long_Integer_Size then
+            return Small_Value (Typ) = Long_Integer_Sized_Small;
+
+         else
+            return False;
+         end if;
+      end Is_Fractional_Type;
+
+   --  Start of processing for Target_Has_Fixed_Ops
+
+   begin
+      --  Return False if Fractional_Fixed_Ops_On_Target is false
+
+      if not Fractional_Fixed_Ops_On_Target then
+         return False;
+      end if;
+
+      --  Here the target has Fractional_Fixed_Ops, if first time, compute
+      --  standard constants used by Is_Fractional_Type.
+
+      if First_Time_For_THFO then
+         First_Time_For_THFO := False;
+
+         Integer_Sized_Small :=
+           UR_From_Components
+             (Num   => Uint_1,
+              Den   => UI_From_Int (Standard_Integer_Size - 1),
+              Rbase => 2);
+
+         Long_Integer_Sized_Small :=
+           UR_From_Components
+             (Num   => Uint_1,
+              Den   => UI_From_Int (Standard_Long_Integer_Size - 1),
+              Rbase => 2);
+      end if;
+
+      --  Return True if target supports fixed-by-fixed multiply/divide
+      --  for fractional fixed-point types (see Is_Fractional_Type) and
+      --  the operand and result types are equivalent fractional types.
+
+      return Is_Fractional_Type (Base_Type (Left_Typ))
+        and then Is_Fractional_Type (Base_Type (Right_Typ))
+        and then Is_Fractional_Type (Base_Type (Result_Typ))
+        and then Esize (Left_Typ) = Esize (Right_Typ)
+        and then Esize (Left_Typ) = Esize (Result_Typ);
+   end Target_Has_Fixed_Ops;
+
    -----------------------------
    -- Make_CW_Equivalent_Type --
    -----------------------------