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(* *********************************************************************)
(* *)
(* The Compcert verified compiler *)
(* *)
(* Xavier Leroy, INRIA Paris-Rocquencourt *)
(* *)
(* 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. *)
(* *)
(* *********************************************************************)
(* Processor-dependent builtin C functions *)
open C
let builtins = {
Builtins.typedefs = [
"__builtin_va_list",
TArray(TInt(IUInt, []), Some 3L, [])
];
Builtins.functions = [
(* Integer arithmetic *)
"__builtin_mulhw",
(TInt(IInt, []), [TInt(IInt, []); TInt(IInt, [])], false);
"__builtin_mulhwu",
(TInt(IUInt, []), [TInt(IUInt, []); TInt(IUInt, [])], false);
"__builtin_clz",
(TInt(IUInt, []), [TInt(IUInt, [])], false);
"__builtin_bswap",
(TInt(IUInt, []), [TInt(IUInt, [])], false);
"__builtin_bswap32",
(TInt(IUInt, []), [TInt(IUInt, [])], false);
"__builtin_bswap16",
(TInt(IUShort, []), [TInt(IUShort, [])], false);
(* Float arithmetic *)
"__builtin_fmadd",
(TFloat(FDouble, []),
[TFloat(FDouble, []); TFloat(FDouble, []); TFloat(FDouble, [])],
false);
"__builtin_fmsub",
(TFloat(FDouble, []),
[TFloat(FDouble, []); TFloat(FDouble, []); TFloat(FDouble, [])],
false);
"__builtin_fnmadd",
(TFloat(FDouble, []),
[TFloat(FDouble, []); TFloat(FDouble, []); TFloat(FDouble, [])],
false);
"__builtin_fnmsub",
(TFloat(FDouble, []),
[TFloat(FDouble, []); TFloat(FDouble, []); TFloat(FDouble, [])],
false);
"__builtin_fsqrt",
(TFloat(FDouble, []), [TFloat(FDouble, [])], false);
"__builtin_frsqrte",
(TFloat(FDouble, []), [TFloat(FDouble, [])], false);
"__builtin_fres",
(TFloat(FFloat, []), [TFloat(FFloat, [])], false);
"__builtin_fsel",
(TFloat(FDouble, []),
[TFloat(FDouble, []); TFloat(FDouble, []); TFloat(FDouble, [])],
false);
"__builtin_fcti",
(TInt(IInt, []),
[TFloat(FDouble, [])],
false);
(* Memory accesses *)
"__builtin_read16_reversed",
(TInt(IUShort, []), [TPtr(TInt(IUShort, [AConst]), [])], false);
"__builtin_read32_reversed",
(TInt(IUInt, []), [TPtr(TInt(IUInt, [AConst]), [])], false);
"__builtin_write16_reversed",
(TVoid [], [TPtr(TInt(IUShort, []), []); TInt(IUShort, [])], false);
"__builtin_write32_reversed",
(TVoid [], [TPtr(TInt(IUInt, []), []); TInt(IUInt, [])], false);
(* Synchronization *)
"__builtin_eieio",
(TVoid [], [], false);
"__builtin_sync",
(TVoid [], [], false);
"__builtin_isync",
(TVoid [], [], false);
"__builtin_lwsync",
(TVoid [], [], false);
"__builtin_trap",
(TVoid [], [], false);
(* Cache isntructions *)
"__builtin_dcbf",
(TVoid [],[TPtr(TVoid [], [])],false);
"__builtin_dcbi",
(TVoid [],[TPtr(TVoid [], [])],false);
"__builtin_icbi",
(TVoid [],[TPtr(TVoid [], [])],false);
"__builtin_prefetch",
(TVoid [], [TPtr (TVoid [],[]);TInt (IInt, []);TInt (IInt,[])],false);
"__builtin_dcbtls",
(TVoid[], [TPtr (TVoid [],[]);TInt (IInt,[])],false);
"__builtin_icbtls",
(TVoid[], [TPtr (TVoid [],[]);TInt (IInt,[])],false);
(* Access to special registers *)
"__builtin_get_spr",
(TInt(IUInt, []), [TInt(IInt, [])], false);
"__builtin_set_spr",
(TVoid [], [TInt(IInt, []); TInt(IUInt, [])], false)
]
}
let size_va_list = 12
let va_list_scalar = false
(* Expand memory references inside extended asm statements. Used in C2C. *)
let asm_mem_argument arg = Printf.sprintf "0(%s)" arg
|
