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From: Pierre-Marie de Rodat <pmderodat@gcc.gnu.org> To: gcc-cvs@gcc.gnu.org Subject: [gcc r12-5665] [Ada] Add query for extended precision floating-point types Date: Wed, 1 Dec 2021 10:26:04 +0000 (GMT) [thread overview] Message-ID: <20211201102604.CE6643858003@sourceware.org> (raw) https://gcc.gnu.org/g:be8de8e127b06017f2c3602c81de99ad5937ef9d commit r12-5665-gbe8de8e127b06017f2c3602c81de99ad5937ef9d Author: Yannick Moy <moy@adacore.com> Date: Mon Nov 8 11:53:42 2021 +0100 [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. Diff: --- gcc/ada/sem_util.adb | 14 ++++++++++++++ gcc/ada/sem_util.ads | 9 +++++++++ 2 files changed, 23 insertions(+) diff --git a/gcc/ada/sem_util.adb b/gcc/ada/sem_util.adb index f8e9888fdd6..77302924e11 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 8b74ab6fe68..e251f1ad9fc 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
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