f687903383
This is a reland of bcf1172992
The test was timing out in no snapshot builds, as each CodeAssemblerTester
creates a new Context. Reduced the random iterations significantly.
Original change's description:
> [arm64] Preparation for padding of arguments
>
> As part of JSSP removal, we need to align the arguments passed to functions
> on the stack, by adding a padding slot when the total number of arguments
> is odd.
>
> This patch introduces the kPadArguments flag (which is currently set to
> false for all architectures), which will control padding of arguments in
> architecture-independent parts of the code (deoptimizer, instruction
> selector).
>
> It also adds some executable tests for tail calls with various stack
> parameter counts on the caller and callee sides.
>
> This will be turned on for arm64 together with arm64-specific changes to
> the code generator, the MacroAsembler and the builtins, in a later patch.
>
> Bug: v8:6644
> Change-Id: I79a5c149123fe8130cedd1ccffec3d9b50361e08
> Reviewed-on: https://chromium-review.googlesource.com/806554
> Commit-Queue: Georgia Kouveli <georgia.kouveli@arm.com>
> Reviewed-by: Jaroslav Sevcik <jarin@chromium.org>
> Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
> Cr-Commit-Position: refs/heads/master@{#50134}
TBR=jarin@chromium.org
Bug: v8:6644
Change-Id: I795877ed9791e126ffac6841dbbb65189e95d207
Reviewed-on: https://chromium-review.googlesource.com/833046
Commit-Queue: Georgia Kouveli <georgia.kouveli@arm.com>
Reviewed-by: Ross McIlroy <rmcilroy@chromium.org>
Cr-Commit-Position: refs/heads/master@{#50238}
70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
// Copyright 2016 the V8 project authors. All rights reserved.
|
|
// Use of this source code is governed by a BSD-style license that can be
|
|
// found in the LICENSE file.
|
|
|
|
#ifndef V8_TEST_CCTEST_COMPILER_CODE_ASSEMBLER_TESTER_H_
|
|
#define V8_TEST_CCTEST_COMPILER_CODE_ASSEMBLER_TESTER_H_
|
|
|
|
#include "src/compiler/code-assembler.h"
|
|
#include "src/compiler/raw-machine-assembler.h"
|
|
#include "src/handles.h"
|
|
#include "src/interface-descriptors.h"
|
|
#include "src/isolate.h"
|
|
#include "test/cctest/compiler/function-tester.h"
|
|
|
|
namespace v8 {
|
|
namespace internal {
|
|
namespace compiler {
|
|
|
|
class CodeAssemblerTester {
|
|
public:
|
|
// Test generating code for a stub. Assumes VoidDescriptor call interface.
|
|
explicit CodeAssemblerTester(Isolate* isolate)
|
|
: zone_(isolate->allocator(), ZONE_NAME),
|
|
scope_(isolate),
|
|
state_(isolate, &zone_, VoidDescriptor(isolate), Code::STUB, "test") {}
|
|
|
|
// Test generating code for a JS function (e.g. builtins).
|
|
CodeAssemblerTester(Isolate* isolate, int parameter_count,
|
|
Code::Kind kind = Code::BUILTIN)
|
|
: zone_(isolate->allocator(), ZONE_NAME),
|
|
scope_(isolate),
|
|
state_(isolate, &zone_, parameter_count, kind, "test") {}
|
|
|
|
CodeAssemblerTester(Isolate* isolate, Code::Kind kind)
|
|
: zone_(isolate->allocator(), ZONE_NAME),
|
|
scope_(isolate),
|
|
state_(isolate, &zone_, 0, kind, "test") {}
|
|
|
|
CodeAssemblerTester(Isolate* isolate, CallDescriptor* call_descriptor,
|
|
const char* name = "test")
|
|
: zone_(isolate->allocator(), ZONE_NAME),
|
|
scope_(isolate),
|
|
state_(isolate, &zone_, call_descriptor, Code::STUB, name, 0, -1) {}
|
|
|
|
CodeAssemblerState* state() { return &state_; }
|
|
|
|
// Direct low-level access to the machine assembler, for testing only.
|
|
RawMachineAssembler* raw_assembler_for_testing() {
|
|
return state_.raw_assembler_.get();
|
|
}
|
|
|
|
Handle<Code> GenerateCode() { return CodeAssembler::GenerateCode(&state_); }
|
|
|
|
Handle<Code> GenerateCodeCloseAndEscape() {
|
|
return scope_.CloseAndEscape(GenerateCode());
|
|
}
|
|
|
|
private:
|
|
Zone zone_;
|
|
HandleScope scope_;
|
|
LocalContext context_;
|
|
CodeAssemblerState state_;
|
|
};
|
|
|
|
} // namespace compiler
|
|
} // namespace internal
|
|
} // namespace v8
|
|
|
|
#endif // V8_TEST_CCTEST_COMPILER_CODE_ASSEMBLER_TESTER_H_
|