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authorYannick Moy <moy@adacore.com>2021-11-08 11:53:42 +0100
committerPierre-Marie de Rodat <derodat@adacore.com>2021-12-01 10:24:40 +0000
commitbe8de8e127b06017f2c3602c81de99ad5937ef9d (patch)
treea96518d3ea1104137e0378bd04b096b4a53bbe7e /gcc
parent0f3dfe41cb296ff2a53b6b917aa10ff5a78c24fe (diff)
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[Ada] Add query for extended precision floating-point types
gcc/ada/ * sem_util.adb (Is_Extended_Precision_Floating_Point_Type): New function. * sem_util.ads (Is_Extended_Precision_Floating_Point_Type): New function.
Diffstat (limited to 'gcc')
-rw-r--r--gcc/ada/sem_util.adb14
-rw-r--r--gcc/ada/sem_util.ads9
2 files changed, 23 insertions, 0 deletions
diff --git a/gcc/ada/sem_util.adb b/gcc/ada/sem_util.adb
index f8e9888..7730292 100644
--- a/gcc/ada/sem_util.adb
+++ b/gcc/ada/sem_util.adb
@@ -17541,6 +17541,20 @@ package body Sem_Util is
end if;
end Is_Expression_Function_Or_Completion;
+ -----------------------------------------------
+ -- Is_Extended_Precision_Floating_Point_Type --
+ -----------------------------------------------
+
+ function Is_Extended_Precision_Floating_Point_Type
+ (E : Entity_Id) return Boolean is
+ begin
+ return Is_Floating_Point_Type (E)
+ and then Machine_Radix_Value (E) = Uint_2
+ and then Machine_Mantissa_Value (E) = Uint_64
+ and then Machine_Emax_Value (E) = Uint_2 ** Uint_14
+ and then Machine_Emin_Value (E) = Uint_3 - (Uint_2 ** Uint_14);
+ end Is_Extended_Precision_Floating_Point_Type;
+
-----------------------
-- Is_EVF_Expression --
-----------------------
diff --git a/gcc/ada/sem_util.ads b/gcc/ada/sem_util.ads
index 8b74ab6..e251f1a 100644
--- a/gcc/ada/sem_util.ads
+++ b/gcc/ada/sem_util.ads
@@ -2045,6 +2045,15 @@ package Sem_Util is
-- Determine whether subprogram [body] Subp denotes an expression function
-- or is completed by an expression function body.
+ function Is_Extended_Precision_Floating_Point_Type
+ (E : Entity_Id) return Boolean;
+ -- Return whether E is an extended precision floating point type,
+ -- characterized by:
+ -- . machine_radix = 2
+ -- . machine_mantissa = 64
+ -- . machine_emax = 2**14
+ -- . machine_emin = 3 - machine_emax
+
function Is_EVF_Expression (N : Node_Id) return Boolean;
-- Determine whether node N denotes a reference to a formal parameter of
-- a specific tagged type whose related subprogram is subject to pragma