From 27ad9660a8011119222121eb67aabb099cc43e1a Mon Sep 17 00:00:00 2001 From: Ed Schonberg Date: Mon, 4 Oct 2004 16:56:49 +0200 Subject: [PATCH] exp_ch6.adb (Expand_N_Function_Call): If stack checking is enabled... 2004-10-04 Ed Schonberg * exp_ch6.adb (Expand_N_Function_Call): If stack checking is enabled, do not generate a declaration for a temporary if the call is part of a library-level instantiation. From-SVN: r88495 --- gcc/ada/ChangeLog | 6 ++++++ gcc/ada/exp_ch6.adb | 7 +++++++ 2 files changed, 13 insertions(+) diff --git a/gcc/ada/ChangeLog b/gcc/ada/ChangeLog index fbd3a898f84..8daf6baca78 100644 --- a/gcc/ada/ChangeLog +++ b/gcc/ada/ChangeLog @@ -1,3 +1,9 @@ +2004-10-04 Ed Schonberg + + * exp_ch6.adb (Expand_N_Function_Call): If stack checking is enabled, + do not generate a declaration for a temporary if the call is part of a + library-level instantiation. + 2004-10-04 Ed Schonberg * sem_util.adb (Explain_Limited_Type): Ignore internal components when diff --git a/gcc/ada/exp_ch6.adb b/gcc/ada/exp_ch6.adb index df976adec6f..4980155f275 100644 --- a/gcc/ada/exp_ch6.adb +++ b/gcc/ada/exp_ch6.adb @@ -2934,6 +2934,12 @@ package body Exp_Ch6 is -- this because otherwise gigi may generate a large temporary on the -- fly and this can cause trouble with stack checking. + -- This is unecessary if the call is the expression in an object + -- declaration, or if it appears outside of any library unit. This + -- can only happen if it appears as an actual in a library-level + -- instance, in which case a temporary will be generated for it once + -- the instance itself is installed. + if May_Generate_Large_Temp (Typ) and then Nkind (Parent (N)) /= N_Assignment_Statement and then @@ -2943,6 +2949,7 @@ package body Exp_Ch6 is (Nkind (Parent (N)) /= N_Object_Declaration or else Expression (Parent (N)) /= N) and then not Returned_By_Reference + and then Current_Scope /= Standard_Standard then if Stack_Checking_Enabled then