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Diffstat (limited to 'gcc/config/arm/neon-testgen.ml')
-rw-r--r--gcc/config/arm/neon-testgen.ml54
1 files changed, 37 insertions, 17 deletions
diff --git a/gcc/config/arm/neon-testgen.ml b/gcc/config/arm/neon-testgen.ml
index df429f59e27..f3898193835 100644
--- a/gcc/config/arm/neon-testgen.ml
+++ b/gcc/config/arm/neon-testgen.ml
@@ -46,20 +46,19 @@ let open_test_file dir name =
failwith ("Could not create test source file " ^ name ^ ": " ^ str)
(* Emit prologue code to a test source file. *)
-let emit_prologue chan test_name effective_target =
+let emit_prologue chan test_name effective_target compile_test_optim =
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 %s_ok } */\n"
effective_target;
- Printf.fprintf chan "/* { dg-options \"-save-temps -O0\" } */\n";
+ Printf.fprintf chan "/* { dg-options \"-save-temps %s\" } */\n" compile_test_optim;
Printf.fprintf chan "/* { dg-add-options %s } */\n" effective_target;
- Printf.fprintf chan "\n#include \"arm_neon.h\"\n\n";
- Printf.fprintf chan "void test_%s (void)\n{\n" test_name
+ Printf.fprintf chan "\n#include \"arm_neon.h\"\n\n"
-(* Emit declarations of local variables that are going to be passed
+(* Emit declarations of 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 features =
+let emit_variables chan c_types features spaces =
let emit () =
ignore (
List.fold_left (fun arg_number -> fun (flags, ty) ->
@@ -69,8 +68,8 @@ let emit_automatics chan c_types features =
(* 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;
+ Printf.fprintf chan "%s%s %sarg%d_%s;\n"
+ spaces ty pointer_bit arg_number ty;
arg_number + 1)
0 (List.tl c_types))
in
@@ -81,13 +80,13 @@ let emit_automatics chan c_types features =
allocation for vget_low tests or they fail because of copy
elimination. *)
((if List.mem Fixed_vector_reg features then
- Printf.fprintf chan " register %s out_%s asm (\"d18\");\n"
- return_ty return_ty
+ Printf.fprintf chan "%sregister %s out_%s asm (\"d18\");\n"
+ spaces return_ty return_ty
else if List.mem Fixed_core_reg features then
- Printf.fprintf chan " register %s out_%s asm (\"r0\");\n"
- return_ty return_ty
+ Printf.fprintf chan "%sregister %s out_%s asm (\"r0\");\n"
+ spaces return_ty return_ty
else
- Printf.fprintf chan " %s out_%s;\n" return_ty return_ty);
+ Printf.fprintf chan "%s%s out_%s;\n" spaces return_ty return_ty);
emit ())
end else
(* The intrinsic does not return a value. *)
@@ -173,6 +172,17 @@ let effective_target features =
| _ -> assert false
with Not_found -> "arm_neon"
+(* Work out what the testcase optimization level should be, default to -O0. *)
+let compile_test_optim features =
+ try
+ match List.find (fun feature ->
+ match feature with Compiler_optim _ -> true
+ | _ -> false)
+ features with
+ Compiler_optim opt -> opt
+ | _ -> assert false
+ with Not_found -> "-O0"
+
(* Given an intrinsic shape, produce a regexp that will match
the right-hand sides of instructions generated by an intrinsic of
that shape. *)
@@ -280,12 +290,22 @@ let test_intrinsic dir opcode features shape name munge elt_ty =
"!?\\(\\[ \t\\]+@\\[a-zA-Z0-9 \\]+\\)?\\n")
(analyze_all_shapes features shape analyze_shape)
in
- let effective_target = effective_target features
+ let effective_target = effective_target features in
+ let compile_test_optim = compile_test_optim features
in
(* Emit file and function prologues. *)
- emit_prologue chan test_name effective_target;
- (* Emit local variable declarations. *)
- emit_automatics chan c_types features;
+ emit_prologue chan test_name effective_target compile_test_optim;
+
+ if (compare compile_test_optim "-O0") <> 0 then
+ (* Emit variable declarations. *)
+ emit_variables chan c_types features "";
+
+ Printf.fprintf chan "void test_%s (void)\n{\n" test_name;
+
+ if compare compile_test_optim "-O0" = 0 then
+ (* Emit variable declarations. *)
+ emit_variables chan c_types features " ";
+
Printf.fprintf chan "\n";
(* Emit the call to the intrinsic. *)
emit_call chan const_valuator c_types name elt_ty;