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Diffstat (limited to 'gcc-4.2.1-5666.3/gcc/config/arm/neon-testgen.ml')
-rw-r--r-- | gcc-4.2.1-5666.3/gcc/config/arm/neon-testgen.ml | 274 |
1 files changed, 0 insertions, 274 deletions
diff --git a/gcc-4.2.1-5666.3/gcc/config/arm/neon-testgen.ml b/gcc-4.2.1-5666.3/gcc/config/arm/neon-testgen.ml deleted file mode 100644 index 8929b46a9..000000000 --- a/gcc-4.2.1-5666.3/gcc/config/arm/neon-testgen.ml +++ /dev/null @@ -1,274 +0,0 @@ -(* APPLE LOCAL file v7 support. Merge from Codesourcery *) -(* Auto-generate ARM Neon intrinsics tests. - Copyright (C) 2006 Free Software Foundation, Inc. - Contributed by CodeSourcery. - - This file is part of GCC. - - GCC is free software; you can redistribute it and/or modify it under - the terms of the GNU General Public License as published by the Free - Software Foundation; either version 2, or (at your option) any later - version. - - GCC is distributed in the hope that it will be useful, but WITHOUT ANY - WARRANTY; without even the implied warranty of MERCHANTABILITY or - FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License - for more details. - - You should have received a copy of the GNU General Public License - along with GCC; see the file COPYING. If not, write to the Free - Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA - 02110-1301, USA. - - This is an O'Caml program. The O'Caml compiler is available from: - - http://caml.inria.fr/ - - Or from your favourite OS's friendly packaging system. Tested with version - 3.09.2, though other versions will probably work too. - - Compile with: - ocamlc -c neon.ml - ocamlc -o neon-testgen neon.cmo neon-testgen.ml -*) - -open Neon - -type c_type_flags = Pointer | Const - -(* Open a test source file. *) -let open_test_file dir name = - try - open_out (dir ^ "/" ^ name ^ ".c") - with Sys_error str -> - failwith ("Could not create test source file " ^ name ^ ": " ^ str) - -(* Emit prologue code to a test source file. *) -let emit_prologue chan test_name = - Printf.fprintf chan "/* Test the `%s' ARM Neon intrinsic. */\n" test_name; - Printf.fprintf chan "/* This file was autogenerated by neon-testgen. */\n\n"; - Printf.fprintf chan "/* { dg-do assemble } */\n"; - Printf.fprintf chan "/* { dg-require-effective-target arm_neon_ok } */\n"; - Printf.fprintf chan - "/* { dg-options \"-save-temps -O0 -mfpu=neon -mfloat-abi=softfp\" } */\n"; - Printf.fprintf chan "\n#include \"arm_neon.h\"\n\n"; - Printf.fprintf chan "void test_%s (void)\n{\n" test_name - -(* Emit declarations of local variables that are going to be passed - to an intrinsic, together with one to take a returned value if needed. *) -let emit_automatics chan c_types = - let emit () = - ignore ( - List.fold_left (fun arg_number -> fun (flags, ty) -> - let pointer_bit = - if List.mem Pointer flags then "*" else "" - in - (* Const arguments to builtins are directly - written in as constants. *) - if not (List.mem Const flags) then - Printf.fprintf chan " %s %sarg%d_%s;\n" - ty pointer_bit arg_number ty; - arg_number + 1) - 0 (List.tl c_types)) - in - match c_types with - (_, return_ty) :: tys -> - if return_ty <> "void" then - (* The intrinsic returns a value. *) - (Printf.fprintf chan " %s out_%s;\n" return_ty return_ty; - emit ()) - else - (* The intrinsic does not return a value. *) - emit () - | _ -> assert false - -(* Emit code to call an intrinsic. *) -let emit_call chan const_valuator c_types name elt_ty = - (if snd (List.hd c_types) <> "void" then - Printf.fprintf chan " out_%s = " (snd (List.hd c_types)) - else - Printf.fprintf chan " "); - Printf.fprintf chan "%s_%s (" (intrinsic_name name) (string_of_elt elt_ty); - let print_arg chan arg_number (flags, ty) = - (* If the argument is of const type, then directly write in the - constant now. *) - if List.mem Const flags then - match const_valuator with - None -> - if List.mem Pointer flags then - Printf.fprintf chan "0" - else - Printf.fprintf chan "1" - | Some f -> Printf.fprintf chan "%s" (string_of_int (f arg_number)) - else - Printf.fprintf chan "arg%d_%s" arg_number ty - in - let rec print_args arg_number tys = - match tys with - [] -> () - | [ty] -> print_arg chan arg_number ty - | ty::tys -> - print_arg chan arg_number ty; - Printf.fprintf chan ", "; - print_args (arg_number + 1) tys - in - print_args 0 (List.tl c_types); - Printf.fprintf chan ");\n" - -(* Emit epilogue code to a test source file. *) -let emit_epilogue chan features regexps = - let no_op = List.exists (fun feature -> feature = No_op) features in - Printf.fprintf chan "}\n\n"; - (if not no_op then - List.iter (fun regexp -> - Printf.fprintf chan - "/* { dg-final { scan-assembler \"%s\" } } */\n" regexp) - regexps - else - () - ); - Printf.fprintf chan "/* { dg-final { cleanup-saved-temps } } */\n" - -(* Check a list of C types to determine which ones are pointers and which - ones are const. *) -let check_types tys = - let tys' = - List.map (fun ty -> - let len = String.length ty in - if len > 2 && String.get ty (len - 2) = ' ' - && String.get ty (len - 1) = '*' - then ([Pointer], String.sub ty 0 (len - 2)) - else ([], ty)) tys - in - List.map (fun (flags, ty) -> - if String.length ty > 6 && String.sub ty 0 6 = "const " - then (Const :: flags, String.sub ty 6 ((String.length ty) - 6)) - else (flags, ty)) tys' - -(* Given an intrinsic shape, produce a regexp that will match - the right-hand sides of instructions generated by an intrinsic of - that shape. *) -let rec analyze_shape shape = - let rec n_things n thing = - match n with - 0 -> [] - | n -> thing :: (n_things (n - 1) thing) - in - let rec analyze_shape_elt elt = - match elt with - Dreg -> "\\[dD\\]\\[0-9\\]+" - | Qreg -> "\\[qQ\\]\\[0-9\\]+" - | Corereg -> "\\[rR\\]\\[0-9\\]+" - | Immed -> "#\\[0-9\\]+" - | VecArray (1, elt) -> - let elt_regexp = analyze_shape_elt elt in - "((\\\\\\{" ^ elt_regexp ^ "\\\\\\})|(" ^ elt_regexp ^ "))" - | VecArray (n, elt) -> - let elt_regexp = analyze_shape_elt elt in - let alt1 = elt_regexp ^ "-" ^ elt_regexp in - let alt2 = commas (fun x -> x) (n_things n elt_regexp) "" in - "\\\\\\{((" ^ alt1 ^ ")|(" ^ alt2 ^ "))\\\\\\}" - | (PtrTo elt | CstPtrTo elt) -> - "\\\\\\[" ^ (analyze_shape_elt elt) ^ "\\\\\\]" - | Element_of_dreg -> (analyze_shape_elt Dreg) ^ "\\\\\\[\\[0-9\\]+\\\\\\]" - | Element_of_qreg -> (analyze_shape_elt Qreg) ^ "\\\\\\[\\[0-9\\]+\\\\\\]" - | All_elements_of_dreg -> (analyze_shape_elt Dreg) ^ "\\\\\\[\\\\\\]" - in - match shape with - All (n, elt) -> commas analyze_shape_elt (n_things n elt) "" - | Long -> (analyze_shape_elt Qreg) ^ ", " ^ (analyze_shape_elt Dreg) ^ - ", " ^ (analyze_shape_elt Dreg) - | Long_noreg elt -> (analyze_shape_elt elt) ^ ", " ^ (analyze_shape_elt elt) - | Wide -> (analyze_shape_elt Qreg) ^ ", " ^ (analyze_shape_elt Qreg) ^ - ", " ^ (analyze_shape_elt Dreg) - | Wide_noreg elt -> analyze_shape (Long_noreg elt) - | Narrow -> (analyze_shape_elt Dreg) ^ ", " ^ (analyze_shape_elt Qreg) ^ - ", " ^ (analyze_shape_elt Qreg) - | Use_operands elts -> commas analyze_shape_elt (Array.to_list elts) "" - | By_scalar Dreg -> - analyze_shape (Use_operands [| Dreg; Dreg; Element_of_dreg |]) - | By_scalar Qreg -> - analyze_shape (Use_operands [| Qreg; Qreg; Element_of_dreg |]) - | By_scalar _ -> assert false - | Wide_lane -> - analyze_shape (Use_operands [| Qreg; Dreg; Element_of_dreg |]) - | Wide_scalar -> - analyze_shape (Use_operands [| Qreg; Dreg; Element_of_dreg |]) - | Pair_result elt -> - let elt_regexp = analyze_shape_elt elt in - elt_regexp ^ ", " ^ elt_regexp - | Unary_scalar _ -> "FIXME Unary_scalar" - | Binary_imm elt -> analyze_shape (Use_operands [| elt; elt; Immed |]) - | Narrow_imm -> analyze_shape (Use_operands [| Dreg; Qreg; Immed |]) - | Long_imm -> analyze_shape (Use_operands [| Qreg; Dreg; Immed |]) - -(* Generate tests for one intrinsic. *) -let test_intrinsic dir opcode features shape name munge elt_ty = - (* Open the test source file. *) - let test_name = name ^ (string_of_elt elt_ty) in - let chan = open_test_file dir test_name in - (* Work out what argument and return types the intrinsic has. *) - let c_arity, new_elt_ty = munge shape elt_ty in - let c_types = check_types (strings_of_arity c_arity) in - (* Extract any constant valuator (a function specifying what constant - values are to be written into the intrinsic call) from the features - list. *) - let const_valuator = - try - match (List.find (fun feature -> match feature with - Const_valuator _ -> true - | _ -> false) features) with - Const_valuator f -> Some f - | _ -> assert false - with Not_found -> None - in - (* Work out what instruction name(s) to expect. *) - let insns = get_insn_names features name in - let no_suffix = (new_elt_ty = NoElts) in - let insns = - if no_suffix then insns - else List.map (fun insn -> - let suffix = string_of_elt_dots new_elt_ty in - insn ^ "\\." ^ suffix) insns - in - (* Construct a regexp to match against the expected instruction name(s). *) - let insn_regexp = - match insns with - [] -> assert false - | [insn] -> insn - | _ -> - let rec calc_regexp insns cur_regexp = - match insns with - [] -> cur_regexp - | [insn] -> cur_regexp ^ "(" ^ insn ^ "))" - | insn::insns -> calc_regexp insns (cur_regexp ^ "(" ^ insn ^ ")|") - in calc_regexp insns "(" - in - (* Construct regexps to match against the instructions that this - intrinsic expands to. Watch out for any writeback character and - comments after the instruction. *) - let regexps = List.map (fun regexp -> insn_regexp ^ "\\[ \t\\]+" ^ regexp ^ - "!?\\(\\[ \t\\]+@\\[a-zA-Z0-9 \\]+\\)?\\n") - (analyze_all_shapes features shape analyze_shape) - in - (* Emit file and function prologues. *) - emit_prologue chan test_name; - (* Emit local variable declarations. *) - emit_automatics chan c_types; - Printf.fprintf chan "\n"; - (* Emit the call to the intrinsic. *) - emit_call chan const_valuator c_types name elt_ty; - (* Emit the function epilogue and the DejaGNU scan-assembler directives. *) - emit_epilogue chan features regexps; - (* Close the test file. *) - close_out chan - -(* Generate tests for one element of the "ops" table. *) -let test_intrinsic_group dir (opcode, features, shape, name, munge, types) = - List.iter (test_intrinsic dir opcode features shape name munge) types - -(* Program entry point. *) -let _ = - let directory = if Array.length Sys.argv <> 1 then Sys.argv.(1) else "." in - List.iter (test_intrinsic_group directory) (reinterp @ ops) - |