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* [gcc/devel/autopar_devel] [Ada] Skip unnecessary iterations over constraint expressions
@ 2020-08-22 22:25 Giuliano Belinassi
0 siblings, 0 replies; only message in thread
From: Giuliano Belinassi @ 2020-08-22 22:25 UTC (permalink / raw)
To: gcc-cvs
https://gcc.gnu.org/g:047a918d5fbd636aaae21da466da04f1d7df236a
commit 047a918d5fbd636aaae21da466da04f1d7df236a
Author: Piotr Trojanek <trojanek@adacore.com>
Date: Fri Mar 13 21:07:56 2020 +0100
[Ada] Skip unnecessary iterations over constraint expressions
2020-06-11 Piotr Trojanek <trojanek@adacore.com>
gcc/ada/
* sem_ch3.adb (Build_Constrained_Array_Type,
Build_Constrained_Discriminated_Type): Skip unnecessary loop
iterations.
Diff:
---
gcc/ada/sem_ch3.adb | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)
diff --git a/gcc/ada/sem_ch3.adb b/gcc/ada/sem_ch3.adb
index 026bcefdba3..ccb0ea9a2f1 100644
--- a/gcc/ada/sem_ch3.adb
+++ b/gcc/ada/sem_ch3.adb
@@ -13093,7 +13093,7 @@ package body Sem_Ch3 is
Scop : Entity_Id;
begin
- -- if the original access type was not embedded in the enclosing
+ -- If the original access type was not embedded in the enclosing
-- type definition, there is no need to produce a new access
-- subtype. In fact every access type with an explicit constraint
-- generates an itype whose scope is the enclosing record.
@@ -13192,6 +13192,7 @@ package body Sem_Ch3 is
Is_Discriminant (Hi_Expr)
then
Need_To_Create_Itype := True;
+ exit;
end if;
Next_Index (Old_Index);
@@ -13248,6 +13249,7 @@ package body Sem_Ch3 is
if Is_Discriminant (Expr) then
Need_To_Create_Itype := True;
+ exit;
-- After expansion of discriminated task types, the value
-- of the discriminant may be converted to a run-time type
@@ -13259,6 +13261,7 @@ package body Sem_Ch3 is
and then Is_Discriminant (Expression (Expr))
then
Need_To_Create_Itype := True;
+ exit;
end if;
Next_Elmt (Old_Constraint);
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