[multiple changes]

[gcc.git] / gcc / ada / debug.adb

diff --git a/gcc/ada/debug.adb b/gcc/ada/debug.adb
index 87e0de74dc675fa316295e17804ae3906e8746d3..7f70bfa0217a71b7be237a956bb8ef70401ab62b 100644 (file)
--- a/gcc/ada/debug.adb
+++ b/gcc/ada/debug.adb
@@ -80,7 +80,7 @@ package body Debug is
    --  dN   No file name information in exception messages
    --  dO   Output immediate error messages
    --  dP   Do not check for controlled objects in preelaborable packages
-   --  dQ
+   --  dQ   Use old secondary stack method
    --  dR   Bypass check for correct version of s-rpc
    --  dS   Never convert numbers to machine numbers in Sem_Eval
    --  dT   Convert to machine numbers only for constant declarations
@@ -430,6 +430,11 @@ package body Debug is
    --       in preelaborable packages, but this restriction is a huge pain,
    --       especially in the predefined library units.
 
+   --  dQ   Use old method for determining what goes on the secondary stack.
+   --       This disables some newer optimizations. The intent is to use this
+   --       temporarily to measure before/after efficiency. ???Remove this
+   --       when we are done (see Sem_Util.Requires_Transient_Scope).
+
    --  dR   Bypass the check for a proper version of s-rpc being present
    --       to use the -gnatz? switch. This allows debugging of the use
    --       of stubs generation without needing to have GLADE (or some