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* [gcc r13-585] [Ada] Small performance tweak in recent change
@ 2022-05-18 8:42 Pierre-Marie de Rodat
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From: Pierre-Marie de Rodat @ 2022-05-18 8:42 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:700cd7d6733e62e5ad8212cb6c51866679173b41
commit r13-585-g700cd7d6733e62e5ad8212cb6c51866679173b41
Author: Eric Botcazou <ebotcazou@adacore.com>
Date: Wed Mar 30 12:59:23 2022 +0200
[Ada] Small performance tweak in recent change
This avoids a useless walk of the prefix chain in instances.
gcc/ada/
* sem_ch8.adb (Analyze_Subprogram_Renaming): Move final test on
In_Instance to outer condition.
Diff:
---
gcc/ada/sem_ch8.adb | 3 +--
1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/gcc/ada/sem_ch8.adb b/gcc/ada/sem_ch8.adb
index 1cf34117a30..5945bfdf90d 100644
--- a/gcc/ada/sem_ch8.adb
+++ b/gcc/ada/sem_ch8.adb
@@ -3975,7 +3975,7 @@ package body Sem_Ch8 is
-- normally illegal renamings can be constructed when expanding
-- instantiations.
- elsif Nkind (Nam) = N_Expanded_Name then
+ elsif Nkind (Nam) = N_Expanded_Name and then not In_Instance then
declare
function Ult_Expanded_Prefix (N : Node_Id) return Node_Id is
(if Nkind (N) /= N_Expanded_Name
@@ -3985,7 +3985,6 @@ package body Sem_Ch8 is
begin
if Chars (Entity (Ult_Expanded_Prefix (Nam))) = Chars (New_S)
- and then not In_Instance
then
Error_Msg_Sloc := Sloc (N);
Error_Msg_NE
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