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(* *********************************************************************)
(* *)
(* The Compcert verified compiler *)
(* *)
(* Xavier Leroy, Collège de France and Inria Paris *)
(* *)
(* Copyright Institut National de Recherche en Informatique et en *)
(* Automatique. All rights reserved. This file is distributed *)
(* under the terms of the GNU General Public License as published by *)
(* the Free Software Foundation, either version 2 of the License, or *)
(* (at your option) any later version. This file is also distributed *)
(* under the terms of the INRIA Non-Commercial License Agreement. *)
(* *)
(* *********************************************************************)
(** Platform-specific built-in functions *)
Require Import String Coqlib.
Require Import AST Integers Floats Values ExtFloats.
Require Import Builtins0.
Inductive platform_builtin : Type :=
| BI_fmin
| BI_fmax
| BI_fminf
| BI_fmaxf
| BI_fabsf
| BI_fma
| BI_fmaf.
Local Open Scope string_scope.
Definition platform_builtin_table : list (string * platform_builtin) :=
("__builtin_fmin", BI_fmin)
:: ("__builtin_fmax", BI_fmax)
:: ("__builtin_fminf", BI_fminf)
:: ("__builtin_fmaxf", BI_fmaxf)
:: ("__builtin_fabsf", BI_fabsf)
:: ("__builtin_fma", BI_fma)
:: ("__builtin_fmaf", BI_fmaf)
:: nil.
Definition platform_builtin_sig (b: platform_builtin) : signature :=
match b with
| BI_fmin | BI_fmax =>
mksignature (Tfloat :: Tfloat :: nil) Tfloat cc_default
| BI_fminf | BI_fmaxf =>
mksignature (Tsingle :: Tsingle :: nil) Tsingle cc_default
| BI_fabsf =>
mksignature (Tsingle :: nil) Tsingle cc_default
| BI_fma =>
mksignature (Tfloat :: Tfloat :: Tfloat :: nil) Tfloat cc_default
| BI_fmaf =>
mksignature (Tsingle :: Tsingle :: Tsingle :: nil) Tsingle cc_default
end.
Definition platform_builtin_sem (b: platform_builtin) : builtin_sem (sig_res (platform_builtin_sig b)) :=
match b with
| BI_fmin => mkbuiltin_n2t Tfloat Tfloat Tfloat ExtFloat.min
| BI_fmax => mkbuiltin_n2t Tfloat Tfloat Tfloat ExtFloat.max
| BI_fminf => mkbuiltin_n2t Tsingle Tsingle Tsingle ExtFloat32.min
| BI_fmaxf => mkbuiltin_n2t Tsingle Tsingle Tsingle ExtFloat32.max
| BI_fabsf => mkbuiltin_n1t Tsingle Tsingle Float32.abs
| BI_fma => mkbuiltin_n3t Tfloat Tfloat Tfloat Tfloat Float.fma
| BI_fmaf => mkbuiltin_n3t Tsingle Tsingle Tsingle Tsingle Float32.fma
end.
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