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From: Arnaud Charlet <charlet@adacore.com>
To: gcc-patches@gcc.gnu.org
Cc: Bob Duff <duff@adacore.com>
Subject: [Ada] Usage of storage pools in build-in-place functions on ZFP
Date: Sat, 15 Oct 2011 10:47:00 -0000	[thread overview]
Message-ID: <20111015092214.GA23183@adacore.com> (raw)

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This patch disables the machinery associated with allocating objects on a user
defined storage pool in build-in-place functions ZFP does not support pools.

Tested on x86_64-pc-linux-gnu, committed on trunk

2011-10-15  Bob Duff  <duff@adacore.com>

	* exp_ch6.adb (Add_Unconstrained_Actuals_To_Build_In_Place_Call):
	Do not create a pool formal on unless RE_Root_Storage_Pool_Ptr
	is available.
	(Expand_N_Extended_Return_Statement): Do not create a renaming of the
	build-in-place pool parameter unless RE_Root_Storage_Pool_Ptr is
	available.
	(Make_Build_In_Place_Call_In_Allocator): Add the user-defined
	pool only if RE_Root_Storage_Pool_Ptr is available.
	(Make_Build_In_Place_Call_In_Object_Declaration): Do not add a
	pool actual unless RE_Root_Storage_Pool_Ptr is available.
	* sem_ch6.adb (Create_Extra_Formals): Add build-in-place pool
	formal only if RE_Root_Storage_Pool_Ptr is available.


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Index: exp_ch6.adb
===================================================================
--- exp_ch6.adb	(revision 179986)
+++ exp_ch6.adb	(working copy)
@@ -311,10 +311,12 @@
       Add_Extra_Actual_To_Call
         (Function_Call, Alloc_Form_Formal, Alloc_Form_Actual);
 
-      --  Pass the Storage_Pool parameter. This parameter is omitted on .NET
-      --  and JVM as those targets do not support pools.
+      --  Pass the Storage_Pool parameter. This parameter is omitted
+      --  .NET/JVM/ZFP as those targets do not support pools.
 
-      if VM_Target = No_VM then
+      if
+        VM_Target = No_VM and then RTE_Available (RE_Root_Storage_Pool_Ptr)
+      then
          Pool_Formal := Build_In_Place_Formal (Function_Id, BIP_Storage_Pool);
          Analyze_And_Resolve (Pool_Actual, Etype (Pool_Formal));
          Add_Extra_Actual_To_Call
@@ -5241,10 +5243,12 @@
                      Pool_Allocator := New_Copy_Tree (Heap_Allocator);
 
                      --  Do not generate the renaming of the build-in-place
-                     --  pool parameter on .NET/JVM because the parameter is
-                     --  not created in the first place.
+                     --  pool parameter on .NET/JVM/ZFP because the parameter
+                     --  is not created in the first place.
 
-                     if VM_Target = No_VM then
+                     if VM_Target = No_VM and then
+                       RTE_Available (RE_Root_Storage_Pool_Ptr)
+                     then
                         Pool_Decl :=
                           Make_Object_Renaming_Declaration (Loc,
                             Defining_Identifier => Pool_Id,
@@ -8137,7 +8141,9 @@
          --  has an unconstrained or tagged result type).
 
          if Needs_BIP_Alloc_Form (Enclosing_Func) then
-            if VM_Target = No_VM then
+            if VM_Target = No_VM and then
+              RTE_Available (RE_Root_Storage_Pool_Ptr)
+            then
                Pool_Actual :=
                  New_Reference_To (Build_In_Place_Formal
                    (Enclosing_Func, BIP_Storage_Pool), Loc);
Index: sem_ch6.adb
===================================================================
--- sem_ch6.adb	(revision 179986)
+++ sem_ch6.adb	(working copy)
@@ -6487,10 +6487,12 @@
                     E, BIP_Formal_Suffix (BIP_Alloc_Form));
 
                --  Add BIP_Storage_Pool, in case BIP_Alloc_Form indicates to
-               --  use a user-defined pool. This formal is not added on .NET
-               --  and JVM as those targets do not support pools.
+               --  use a user-defined pool. This formal is not added on
+               --  .NET/JVM/ZFP as those targets do not support pools.
 
-               if VM_Target = No_VM then
+               if VM_Target = No_VM and then
+                 RTE_Available (RE_Root_Storage_Pool_Ptr)
+               then
                   Discard :=
                     Add_Extra_Formal
                       (E, RTE (RE_Root_Storage_Pool_Ptr),

                 reply	other threads:[~2011-10-15  9:22 UTC|newest]

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