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authorTristan Gingold <gingold@adacore.com>2007-10-15 15:54:21 +0200
committerArnaud Charlet <charlet@gcc.gnu.org>2007-10-15 15:54:21 +0200
commita8ee464537c3a5e4ec0c4e15fed38edb9cd567e6 (patch)
tree69d0171cdbf05adaa61c531fed58c74eac7c9c66 /gcc/ada/layout.adb
parent250db54966b8b904a54eff9d940cb84f799c5331 (diff)
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debug.adb: Document use of -gnatd.a and -gnatd.I
2007-10-15 Tristan Gingold <gingold@adacore.com> * debug.adb: Document use of -gnatd.a and -gnatd.I * layout.adb: On OpenVMS -gnatd.a disables alignment optimization. From-SVN: r129321
Diffstat (limited to 'gcc/ada/layout.adb')
-rw-r--r--gcc/ada/layout.adb14
1 files changed, 10 insertions, 4 deletions
diff --git a/gcc/ada/layout.adb b/gcc/ada/layout.adb
index 744d32f..f92a37d 100644
--- a/gcc/ada/layout.adb
+++ b/gcc/ada/layout.adb
@@ -819,6 +819,7 @@ package body Layout is
OK : Boolean;
LLo : Uint;
LHi : Uint;
+ pragma Warnings (Off, LHi);
begin
Set_Parent (Len, E);
@@ -1908,7 +1909,9 @@ package body Layout is
First_Discr : Entity_Id;
Last_Discr : Entity_Id;
Esiz : SO_Ref;
- RM_Siz : SO_Ref;
+
+ RM_Siz : SO_Ref;
+ pragma Warnings (Off, SO_Ref);
RM_Siz_Expr : Node_Id := Empty;
-- Expression for the evolving RM_Siz value. This is typically a
@@ -2789,10 +2792,13 @@ package body Layout is
-- On VMS, also reset for odd "in between" sizes, e.g. a 17-bit
-- record is given an alignment of 4. This is more consistent with
- -- what DEC Ada does.
-
- elsif OpenVMS_On_Target and then Siz > System_Storage_Unit then
+ -- what DEC Ada does (-gnatd.a turns this off which can be used to
+ -- examine the value of this special transformation).
+ elsif OpenVMS_On_Target
+ and then not Debug_Flag_Dot_A
+ and then Siz > System_Storage_Unit
+ then
if Siz <= 2 * System_Storage_Unit then
Align := 2;
elsif Siz <= 4 * System_Storage_Unit then