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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 Lesser General Public License as *)
(* published by the Free Software Foundation, either version 2.1 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 = {
builtin_typedefs = [
"__builtin_va_list",
TArray(TInt(IUInt, []), Some 3L, [])
];
builtin_functions = [
(* Integer arithmetic *)
"__builtin_mulhw",
(TInt(IInt, []), [TInt(IInt, []); TInt(IInt, [])], false);
"__builtin_mulhwu",
(TInt(IUInt, []), [TInt(IUInt, []); TInt(IUInt, [])], false);
"__builtin_cmpb",
(TInt (IUInt, []), [TInt(IUInt, []);TInt(IUInt, [])], false);
(* Integer arithmetic in 32/64-bit hybrid mode *)
"__builtin_mulhd",
(TInt(ILongLong, []), [TInt(ILongLong, []); TInt(ILongLong, [])], false);
"__builtin_mulhdu",
(TInt(IULongLong, []), [TInt(IULongLong, []); TInt(IULongLong, [])], 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_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);
(* Memory accesses in 32/64-bit hybrid mode *)
"__builtin_read64_reversed",
(TInt(IULongLong, []), [TPtr(TInt(IULongLong, [AConst]), [])], false);
"__builtin_write64_reversed",
(TVoid [], [TPtr(TInt(IULongLong, []), []); TInt(IULongLong, [])], false);
(* Synchronization *)
"__builtin_eieio",
(TVoid [], [], false);
"__builtin_sync",
(TVoid [], [], false);
"__builtin_isync",
(TVoid [], [], false);
"__builtin_lwsync",
(TVoid [], [], false);
"__builtin_mbar",
(TVoid [], [TInt(IInt, [])], false);
"__builtin_trap",
(TVoid [], [], false);
(* Cache instructions *)
"__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);
"__builtin_dcbz",
(TVoid[], [TPtr (TVoid [],[])],false);
(* Access to special registers *)
"__builtin_get_spr",
(TInt(IUInt, []), [TInt(IInt, [])], false);
"__builtin_set_spr",
(TVoid [], [TInt(IInt, []); TInt(IUInt, [])], false);
(* Access to special registers in 32/64-bit hybrid mode *)
"__builtin_get_spr64",
(TInt(IULongLong, []), [TInt(IInt, [])], false);
"__builtin_set_spr64",
(TVoid [], [TInt(IInt, []); TInt(IULongLong, [])], false);
(* Move register *)
"__builtin_mr",
(TVoid [], [TInt(IInt, []); TInt(IInt, [])], false);
(* Frame and return address *)
"__builtin_call_frame",
(TPtr (TVoid [],[]),[],false);
"__builtin_return_address",
(TPtr (TVoid [],[]),[],false);
(* isel *)
"__builtin_isel",
(TInt (IInt, []),[TInt(IBool, []);TInt(IInt, []);TInt(IInt, [])],false);
(* uisel *)
"__builtin_uisel",
(TInt (IUInt, []),[TInt(IBool, []);TInt(IUInt, []);TInt(IUInt, [])],false);
(* isel64 *)
"__builtin_isel64",
(TInt (ILongLong, []),[TInt(IBool, []);TInt(ILongLong, []);TInt(ILongLong, [])],false);
(* uisel *)
"__builtin_uisel64",
(TInt (IULongLong, []),[TInt(IBool, []);TInt(IULongLong, []);TInt(IULongLong, [])],false);
(* bsel *)
"__builtin_bsel",
(TInt (IBool, []),[TInt(IBool, []);TInt(IBool, []);TInt(IBool, [])],false);
(* no operation *)
"__builtin_nop",
(TVoid [], [], false);
(* Atomic operations *)
"__builtin_atomic_exchange",
(TVoid [], [TPtr (TInt(IInt, []),[]);TPtr (TInt(IInt, []),[]);TPtr (TInt(IInt, []),[])],false);
"__builtin_atomic_load",
(TVoid [], [TPtr (TInt(IInt, []),[]);TPtr (TInt(IInt, []),[])],false);
"__builtin_atomic_compare_exchange",
(TInt (IBool, []), [TPtr (TInt(IInt, []),[]);TPtr (TInt(IInt, []),[]);TPtr (TInt(IInt, []),[])],false);
"__builtin_sync_fetch_and_add",
(TInt (IInt, []), [TPtr (TInt(IInt, []),[]);TInt(IInt, [])],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
|
