6e9c60e638
Port commit 7730fd94a2
Bug: v8:10582
Change-Id: I2597bbbbe06ba16dba042ee512119822305a5f70
Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2570433
Reviewed-by: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn>
Commit-Queue: Zhao Jiazhong <zhaojiazhong-hf@loongson.cn>
Cr-Commit-Position: refs/heads/master@{#71583}
1374 lines
46 KiB
C++
1374 lines
46 KiB
C++
// Copyright 2013 the V8 project authors. All rights reserved.
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// * Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above
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// copyright notice, this list of conditions and the following
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// disclaimer in the documentation and/or other materials provided
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// with the distribution.
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// * Neither the name of Google Inc. nor the names of its
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// contributors may be used to endorse or promote products derived
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// from this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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#include <stdlib.h>
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#include <iostream> // NOLINT(readability/streams)
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#include "src/api/api-inl.h"
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#include "src/base/utils/random-number-generator.h"
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#include "src/codegen/assembler-inl.h"
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#include "src/codegen/macro-assembler.h"
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#include "src/deoptimizer/deoptimizer.h"
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#include "src/execution/simulator.h"
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#include "src/init/v8.h"
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#include "src/objects/heap-number.h"
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#include "src/objects/js-array-inl.h"
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#include "src/objects/objects-inl.h"
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#include "src/utils/ostreams.h"
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#include "test/cctest/cctest.h"
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#include "test/common/assembler-tester.h"
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namespace v8 {
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namespace internal {
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// TODO(mips): Refine these signatures per test case.
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using F1 = void*(int x, int p1, int p2, int p3, int p4);
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using F3 = void*(void* p, int p1, int p2, int p3, int p4);
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using F4 = void*(void* p0, void* p1, int p2, int p3, int p4);
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#define __ masm->
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TEST(BYTESWAP) {
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CcTest::InitializeVM();
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Isolate* isolate = CcTest::i_isolate();
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HandleScope scope(isolate);
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struct T {
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uint32_t s4;
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uint32_t s2;
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uint32_t u2;
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};
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T t;
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uint32_t test_values[] = {0x5612FFCD, 0x9D327ACC, 0x781A15C3, 0xFCDE, 0x9F,
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0xC81A15C3, 0x80000000, 0xFFFFFFFF, 0x00008000};
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MacroAssembler assembler(isolate, v8::internal::CodeObjectRequired::kYes);
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MacroAssembler* masm = &assembler;
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__ lw(a1, MemOperand(a0, offsetof(T, s4)));
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__ nop();
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__ ByteSwapSigned(a1, a1, 4);
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__ sw(a1, MemOperand(a0, offsetof(T, s4)));
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__ lw(a1, MemOperand(a0, offsetof(T, s2)));
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__ nop();
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__ ByteSwapSigned(a1, a1, 2);
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__ sw(a1, MemOperand(a0, offsetof(T, s2)));
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__ lw(a1, MemOperand(a0, offsetof(T, u2)));
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__ nop();
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__ ByteSwapUnsigned(a1, a1, 2);
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__ sw(a1, MemOperand(a0, offsetof(T, u2)));
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__ jr(ra);
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__ nop();
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CodeDesc desc;
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masm->GetCode(isolate, &desc);
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Handle<Code> code =
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Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
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auto f = GeneratedCode<F3>::FromCode(*code);
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for (size_t i = 0; i < arraysize(test_values); i++) {
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int16_t in_s2 = static_cast<int16_t>(test_values[i]);
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uint16_t in_u2 = static_cast<uint16_t>(test_values[i]);
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t.s4 = test_values[i];
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t.s2 = static_cast<uint64_t>(in_s2);
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t.u2 = static_cast<uint64_t>(in_u2);
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f.Call(&t, 0, 0, 0, 0);
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CHECK_EQ(ByteReverse(test_values[i]), t.s4);
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CHECK_EQ(ByteReverse<int16_t>(in_s2), static_cast<int16_t>(t.s2));
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CHECK_EQ(ByteReverse<uint16_t>(in_u2), static_cast<uint16_t>(t.u2));
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}
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}
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static void TestNaN(const char *code) {
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// NaN value is different on MIPS and x86 architectures, and TEST(NaNx)
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// tests checks the case where a x86 NaN value is serialized into the
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// snapshot on the simulator during cross compilation.
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v8::HandleScope scope(CcTest::isolate());
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v8::Local<v8::Context> context = CcTest::NewContext({PRINT_EXTENSION_ID});
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v8::Context::Scope context_scope(context);
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v8::Local<v8::Script> script =
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v8::Script::Compile(context, v8_str(code)).ToLocalChecked();
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v8::Local<v8::Object> result =
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v8::Local<v8::Object>::Cast(script->Run(context).ToLocalChecked());
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i::Handle<i::JSReceiver> o = v8::Utils::OpenHandle(*result);
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i::Handle<i::JSArray> array1(i::JSArray::cast(*o), o->GetIsolate());
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i::FixedDoubleArray a = i::FixedDoubleArray::cast(array1->elements());
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double value = a.get_scalar(0);
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CHECK(std::isnan(value) &&
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bit_cast<uint64_t>(value) ==
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bit_cast<uint64_t>(std::numeric_limits<double>::quiet_NaN()));
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}
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TEST(NaN0) {
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TestNaN(
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"var result;"
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"for (var i = 0; i < 2; i++) {"
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" result = new Array(Number.NaN, Number.POSITIVE_INFINITY);"
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"}"
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"result;");
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}
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TEST(NaN1) {
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TestNaN(
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"var result;"
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"for (var i = 0; i < 2; i++) {"
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" result = [NaN];"
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"}"
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"result;");
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}
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TEST(jump_tables4) {
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// Similar to test-assembler-mips jump_tables1, with extra test for branch
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// trampoline required before emission of the dd table (where trampolines are
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// blocked), and proper transition to long-branch mode.
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// Regression test for v8:4294.
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CcTest::InitializeVM();
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Isolate* isolate = CcTest::i_isolate();
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HandleScope scope(isolate);
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MacroAssembler assembler(isolate, v8::internal::CodeObjectRequired::kYes);
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MacroAssembler* masm = &assembler;
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const int kNumCases = 512;
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int values[kNumCases];
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isolate->random_number_generator()->NextBytes(values, sizeof(values));
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Label labels[kNumCases];
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Label near_start, end, done;
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__ Push(ra);
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__ mov(v0, zero_reg);
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__ Branch(&end);
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__ bind(&near_start);
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// Generate slightly less than 32K instructions, which will soon require
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// trampoline for branch distance fixup.
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for (int i = 0; i < 32768 - 256; ++i) {
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__ addiu(v0, v0, 1);
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}
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__ GenerateSwitchTable(a0, kNumCases,
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[&labels](size_t i) { return labels + i; });
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for (int i = 0; i < kNumCases; ++i) {
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__ bind(&labels[i]);
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__ li(v0, values[i]);
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__ Branch(&done);
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}
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__ bind(&done);
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__ Pop(ra);
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__ jr(ra);
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__ nop();
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__ bind(&end);
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__ Branch(&near_start);
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CodeDesc desc;
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masm->GetCode(isolate, &desc);
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Handle<Code> code =
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Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
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#ifdef OBJECT_PRINT
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code->Print(std::cout);
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#endif
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auto f = GeneratedCode<F1>::FromCode(*code);
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for (int i = 0; i < kNumCases; ++i) {
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int res = reinterpret_cast<int>(f.Call(i, 0, 0, 0, 0));
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::printf("f(%d) = %d\n", i, res);
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CHECK_EQ(values[i], res);
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}
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}
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TEST(jump_tables5) {
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if (!IsMipsArchVariant(kMips32r6)) return;
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// Similar to test-assembler-mips jump_tables1, with extra test for emitting a
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// compact branch instruction before emission of the dd table.
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CcTest::InitializeVM();
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Isolate* isolate = CcTest::i_isolate();
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HandleScope scope(isolate);
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MacroAssembler assembler(isolate, v8::internal::CodeObjectRequired::kYes);
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MacroAssembler* masm = &assembler;
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const int kNumCases = 512;
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int values[kNumCases];
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isolate->random_number_generator()->NextBytes(values, sizeof(values));
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Label labels[kNumCases];
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Label done;
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__ Push(ra);
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{
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__ BlockTrampolinePoolFor(kNumCases + 6 + 1);
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__ addiupc(at, 6 + 1);
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__ Lsa(at, at, a0, 2);
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__ lw(at, MemOperand(at));
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__ jalr(at);
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__ nop(); // Branch delay slot nop.
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__ bc(&done);
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// A nop instruction must be generated by the forbidden slot guard
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// (Assembler::dd(Label*)).
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for (int i = 0; i < kNumCases; ++i) {
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__ dd(&labels[i]);
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}
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}
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for (int i = 0; i < kNumCases; ++i) {
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__ bind(&labels[i]);
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__ li(v0, values[i]);
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__ jr(ra);
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__ nop();
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}
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__ bind(&done);
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__ Pop(ra);
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__ jr(ra);
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__ nop();
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CodeDesc desc;
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masm->GetCode(isolate, &desc);
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Handle<Code> code =
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Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
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#ifdef OBJECT_PRINT
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code->Print(std::cout);
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#endif
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auto f = GeneratedCode<F1>::FromCode(*code);
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for (int i = 0; i < kNumCases; ++i) {
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int32_t res = reinterpret_cast<int32_t>(f.Call(i, 0, 0, 0, 0));
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::printf("f(%d) = %d\n", i, res);
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CHECK_EQ(values[i], res);
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}
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}
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TEST(jump_tables6) {
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// Similar to test-assembler-mips jump_tables1, with extra test for branch
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// trampoline required after emission of the dd table (where trampolines are
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// blocked). This test checks if number of really generated instructions is
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// greater than number of counted instructions from code, as we are expecting
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// generation of trampoline in this case (when number of kFillInstr
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// instructions is close to 32K)
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CcTest::InitializeVM();
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Isolate* isolate = CcTest::i_isolate();
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HandleScope scope(isolate);
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MacroAssembler assembler(isolate, v8::internal::CodeObjectRequired::kYes);
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MacroAssembler* masm = &assembler;
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const int kSwitchTableCases = 40;
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const int kMaxBranchOffset = Assembler::kMaxBranchOffset;
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const int kTrampolineSlotsSize = Assembler::kTrampolineSlotsSize;
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const int kSwitchTablePrologueSize = MacroAssembler::kSwitchTablePrologueSize;
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const int kMaxOffsetForTrampolineStart =
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kMaxBranchOffset - 16 * kTrampolineSlotsSize;
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const int kFillInstr = (kMaxOffsetForTrampolineStart / kInstrSize) -
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(kSwitchTablePrologueSize + kSwitchTableCases) - 20;
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int values[kSwitchTableCases];
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isolate->random_number_generator()->NextBytes(values, sizeof(values));
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Label labels[kSwitchTableCases];
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Label near_start, end, done;
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__ Push(ra);
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__ mov(v0, zero_reg);
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int offs1 = masm->pc_offset();
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int gen_insn = 0;
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__ Branch(&end);
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gen_insn += Assembler::IsCompactBranchSupported() ? 1 : 2;
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__ bind(&near_start);
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// Generate slightly less than 32K instructions, which will soon require
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// trampoline for branch distance fixup.
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for (int i = 0; i < kFillInstr; ++i) {
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__ addiu(v0, v0, 1);
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}
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gen_insn += kFillInstr;
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__ GenerateSwitchTable(a0, kSwitchTableCases,
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[&labels](size_t i) { return labels + i; });
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gen_insn += (kSwitchTablePrologueSize + kSwitchTableCases);
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for (int i = 0; i < kSwitchTableCases; ++i) {
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__ bind(&labels[i]);
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__ li(v0, values[i]);
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__ Branch(&done);
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}
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gen_insn +=
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((Assembler::IsCompactBranchSupported() ? 3 : 4) * kSwitchTableCases);
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// If offset from here to first branch instr is greater than max allowed
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// offset for trampoline ...
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CHECK_LT(kMaxOffsetForTrampolineStart, masm->pc_offset() - offs1);
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// ... number of generated instructions must be greater then "gen_insn",
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// as we are expecting trampoline generation
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CHECK_LT(gen_insn, (masm->pc_offset() - offs1) / kInstrSize);
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__ bind(&done);
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__ Pop(ra);
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__ jr(ra);
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__ nop();
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__ bind(&end);
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__ Branch(&near_start);
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CodeDesc desc;
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masm->GetCode(isolate, &desc);
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Handle<Code> code =
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Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
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#ifdef OBJECT_PRINT
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code->Print(std::cout);
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#endif
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auto f = GeneratedCode<F1>::FromCode(*code);
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for (int i = 0; i < kSwitchTableCases; ++i) {
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int res = reinterpret_cast<int>(f.Call(i, 0, 0, 0, 0));
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::printf("f(%d) = %d\n", i, res);
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CHECK_EQ(values[i], res);
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}
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}
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static uint32_t run_lsa(uint32_t rt, uint32_t rs, int8_t sa) {
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Isolate* isolate = CcTest::i_isolate();
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HandleScope scope(isolate);
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MacroAssembler assembler(isolate, v8::internal::CodeObjectRequired::kYes);
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MacroAssembler* masm = &assembler;
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__ Lsa(v0, a0, a1, sa);
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__ jr(ra);
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__ nop();
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CodeDesc desc;
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assembler.GetCode(isolate, &desc);
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Handle<Code> code =
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Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
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auto f = GeneratedCode<F1>::FromCode(*code);
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uint32_t res = reinterpret_cast<uint32_t>(f.Call(rt, rs, 0, 0, 0));
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return res;
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}
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TEST(Lsa) {
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CcTest::InitializeVM();
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struct TestCaseLsa {
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int32_t rt;
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int32_t rs;
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uint8_t sa;
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uint32_t expected_res;
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};
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struct TestCaseLsa tc[] = {// rt, rs, sa, expected_res
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{0x4, 0x1, 1, 0x6},
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{0x4, 0x1, 2, 0x8},
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{0x4, 0x1, 3, 0xC},
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{0x4, 0x1, 4, 0x14},
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{0x4, 0x1, 5, 0x24},
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{0x0, 0x1, 1, 0x2},
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{0x0, 0x1, 2, 0x4},
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{0x0, 0x1, 3, 0x8},
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{0x0, 0x1, 4, 0x10},
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{0x0, 0x1, 5, 0x20},
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{0x4, 0x0, 1, 0x4},
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{0x4, 0x0, 2, 0x4},
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{0x4, 0x0, 3, 0x4},
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{0x4, 0x0, 4, 0x4},
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{0x4, 0x0, 5, 0x4},
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// Shift overflow.
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{0x4, INT32_MAX, 1, 0x2},
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{0x4, INT32_MAX >> 1, 2, 0x0},
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{0x4, INT32_MAX >> 2, 3, 0xFFFFFFFC},
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{0x4, INT32_MAX >> 3, 4, 0xFFFFFFF4},
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{0x4, INT32_MAX >> 4, 5, 0xFFFFFFE4},
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// Signed addition overflow.
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{INT32_MAX - 1, 0x1, 1, 0x80000000},
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{INT32_MAX - 3, 0x1, 2, 0x80000000},
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{INT32_MAX - 7, 0x1, 3, 0x80000000},
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{INT32_MAX - 15, 0x1, 4, 0x80000000},
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{INT32_MAX - 31, 0x1, 5, 0x80000000},
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// Addition overflow.
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{-2, 0x1, 1, 0x0},
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{-4, 0x1, 2, 0x0},
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{-8, 0x1, 3, 0x0},
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{-16, 0x1, 4, 0x0},
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{-32, 0x1, 5, 0x0}};
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size_t nr_test_cases = sizeof(tc) / sizeof(TestCaseLsa);
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for (size_t i = 0; i < nr_test_cases; ++i) {
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uint32_t res = run_lsa(tc[i].rt, tc[i].rs, tc[i].sa);
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PrintF("0x%x =? 0x%x == lsa(v0, %x, %x, %hhu)\n", tc[i].expected_res, res,
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tc[i].rt, tc[i].rs, tc[i].sa);
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CHECK_EQ(tc[i].expected_res, res);
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}
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}
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static const std::vector<uint32_t> cvt_trunc_uint32_test_values() {
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static const uint32_t kValues[] = {0x00000000, 0x00000001, 0x00FFFF00,
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0x7FFFFFFF, 0x80000000, 0x80000001,
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0x80FFFF00, 0x8FFFFFFF, 0xFFFFFFFF};
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|
return std::vector<uint32_t>(&kValues[0], &kValues[arraysize(kValues)]);
|
|
}
|
|
|
|
static const std::vector<int32_t> cvt_trunc_int32_test_values() {
|
|
static const int32_t kValues[] = {
|
|
static_cast<int32_t>(0x00000000), static_cast<int32_t>(0x00000001),
|
|
static_cast<int32_t>(0x00FFFF00), static_cast<int32_t>(0x7FFFFFFF),
|
|
static_cast<int32_t>(0x80000000), static_cast<int32_t>(0x80000001),
|
|
static_cast<int32_t>(0x80FFFF00), static_cast<int32_t>(0x8FFFFFFF),
|
|
static_cast<int32_t>(0xFFFFFFFF)};
|
|
return std::vector<int32_t>(&kValues[0], &kValues[arraysize(kValues)]);
|
|
}
|
|
|
|
// Helper macros that can be used in FOR_INT32_INPUTS(i) { ... *i ... }
|
|
#define FOR_INPUTS(ctype, itype, var, test_vector) \
|
|
std::vector<ctype> var##_vec = test_vector(); \
|
|
for (std::vector<ctype>::iterator var = var##_vec.begin(); \
|
|
var != var##_vec.end(); ++var)
|
|
|
|
#define FOR_INPUTS2(ctype, itype, var, var2, test_vector) \
|
|
std::vector<ctype> var##_vec = test_vector(); \
|
|
std::vector<ctype>::iterator var; \
|
|
std::vector<ctype>::reverse_iterator var2; \
|
|
for (var = var##_vec.begin(), var2 = var##_vec.rbegin(); \
|
|
var != var##_vec.end(); ++var, ++var2)
|
|
|
|
#define FOR_ENUM_INPUTS(var, type, test_vector) \
|
|
FOR_INPUTS(enum type, type, var, test_vector)
|
|
#define FOR_STRUCT_INPUTS(var, type, test_vector) \
|
|
FOR_INPUTS(struct type, type, var, test_vector)
|
|
#define FOR_UINT32_INPUTS(var, test_vector) \
|
|
FOR_INPUTS(uint32_t, uint32, var, test_vector)
|
|
#define FOR_INT32_INPUTS(var, test_vector) \
|
|
FOR_INPUTS(int32_t, int32, var, test_vector)
|
|
#define FOR_INT32_INPUTS2(var, var2, test_vector) \
|
|
FOR_INPUTS2(int32_t, int32, var, var2, test_vector)
|
|
|
|
#define FOR_UINT64_INPUTS(var, test_vector) \
|
|
FOR_INPUTS(uint64_t, uint32, var, test_vector)
|
|
|
|
template <typename RET_TYPE, typename IN_TYPE, typename Func>
|
|
RET_TYPE run_Cvt(IN_TYPE x, Func GenerateConvertInstructionFunc) {
|
|
using F_CVT = RET_TYPE(IN_TYPE x0, int x1, int x2, int x3, int x4);
|
|
|
|
Isolate* isolate = CcTest::i_isolate();
|
|
HandleScope scope(isolate);
|
|
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
|
|
MacroAssembler* masm = &assm;
|
|
|
|
__ mtc1(a0, f4);
|
|
GenerateConvertInstructionFunc(masm);
|
|
__ mfc1(v0, f2);
|
|
__ jr(ra);
|
|
__ nop();
|
|
|
|
CodeDesc desc;
|
|
assm.GetCode(isolate, &desc);
|
|
Handle<Code> code =
|
|
Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
|
|
|
|
auto f = GeneratedCode<F_CVT>::FromCode(*code);
|
|
|
|
return reinterpret_cast<RET_TYPE>(f.Call(x, 0, 0, 0, 0));
|
|
}
|
|
|
|
TEST(cvt_s_w_Trunc_uw_s) {
|
|
CcTest::InitializeVM();
|
|
FOR_UINT32_INPUTS(i, cvt_trunc_uint32_test_values) {
|
|
uint32_t input = *i;
|
|
auto fn = [](MacroAssembler* masm) {
|
|
__ cvt_s_w(f0, f4);
|
|
__ Trunc_uw_s(f2, f0, f6);
|
|
};
|
|
CHECK_EQ(static_cast<float>(input), run_Cvt<uint32_t>(input, fn));
|
|
}
|
|
}
|
|
|
|
TEST(cvt_d_w_Trunc_w_d) {
|
|
CcTest::InitializeVM();
|
|
FOR_INT32_INPUTS(i, cvt_trunc_int32_test_values) {
|
|
int32_t input = *i;
|
|
auto fn = [](MacroAssembler* masm) {
|
|
__ cvt_d_w(f0, f4);
|
|
__ Trunc_w_d(f2, f0);
|
|
};
|
|
CHECK_EQ(static_cast<double>(input), run_Cvt<int32_t>(input, fn));
|
|
}
|
|
}
|
|
|
|
static const std::vector<int32_t> overflow_int32_test_values() {
|
|
static const int32_t kValues[] = {
|
|
static_cast<int32_t>(0xF0000000), static_cast<int32_t>(0x00000001),
|
|
static_cast<int32_t>(0xFF000000), static_cast<int32_t>(0x0000F000),
|
|
static_cast<int32_t>(0x0F000000), static_cast<int32_t>(0x991234AB),
|
|
static_cast<int32_t>(0xB0FFFF01), static_cast<int32_t>(0x00006FFF),
|
|
static_cast<int32_t>(0xFFFFFFFF)};
|
|
return std::vector<int32_t>(&kValues[0], &kValues[arraysize(kValues)]);
|
|
}
|
|
|
|
TEST(OverflowInstructions) {
|
|
CcTest::InitializeVM();
|
|
Isolate* isolate = CcTest::i_isolate();
|
|
HandleScope handles(isolate);
|
|
|
|
struct T {
|
|
int32_t lhs;
|
|
int32_t rhs;
|
|
int32_t output_add;
|
|
int32_t output_add2;
|
|
int32_t output_sub;
|
|
int32_t output_sub2;
|
|
int32_t output_mul;
|
|
int32_t output_mul2;
|
|
int32_t overflow_add;
|
|
int32_t overflow_add2;
|
|
int32_t overflow_sub;
|
|
int32_t overflow_sub2;
|
|
int32_t overflow_mul;
|
|
int32_t overflow_mul2;
|
|
};
|
|
T t;
|
|
|
|
FOR_INT32_INPUTS(i, overflow_int32_test_values) {
|
|
FOR_INT32_INPUTS(j, overflow_int32_test_values) {
|
|
int32_t ii = *i;
|
|
int32_t jj = *j;
|
|
int32_t expected_add, expected_sub, expected_mul;
|
|
bool expected_add_ovf, expected_sub_ovf, expected_mul_ovf;
|
|
MacroAssembler assembler(isolate, v8::internal::CodeObjectRequired::kYes);
|
|
MacroAssembler* masm = &assembler;
|
|
|
|
__ lw(t0, MemOperand(a0, offsetof(T, lhs)));
|
|
__ lw(t1, MemOperand(a0, offsetof(T, rhs)));
|
|
|
|
__ AddOverflow(t2, t0, Operand(t1), t3);
|
|
__ sw(t2, MemOperand(a0, offsetof(T, output_add)));
|
|
__ sw(t3, MemOperand(a0, offsetof(T, overflow_add)));
|
|
__ mov(t3, zero_reg);
|
|
__ AddOverflow(t0, t0, Operand(t1), t3);
|
|
__ sw(t0, MemOperand(a0, offsetof(T, output_add2)));
|
|
__ sw(t3, MemOperand(a0, offsetof(T, overflow_add2)));
|
|
|
|
__ lw(t0, MemOperand(a0, offsetof(T, lhs)));
|
|
__ lw(t1, MemOperand(a0, offsetof(T, rhs)));
|
|
|
|
__ SubOverflow(t2, t0, Operand(t1), t3);
|
|
__ sw(t2, MemOperand(a0, offsetof(T, output_sub)));
|
|
__ sw(t3, MemOperand(a0, offsetof(T, overflow_sub)));
|
|
__ mov(t3, zero_reg);
|
|
__ SubOverflow(t0, t0, Operand(t1), t3);
|
|
__ sw(t0, MemOperand(a0, offsetof(T, output_sub2)));
|
|
__ sw(t3, MemOperand(a0, offsetof(T, overflow_sub2)));
|
|
|
|
__ lw(t0, MemOperand(a0, offsetof(T, lhs)));
|
|
__ lw(t1, MemOperand(a0, offsetof(T, rhs)));
|
|
|
|
__ MulOverflow(t2, t0, Operand(t1), t3);
|
|
__ sw(t2, MemOperand(a0, offsetof(T, output_mul)));
|
|
__ sw(t3, MemOperand(a0, offsetof(T, overflow_mul)));
|
|
__ mov(t3, zero_reg);
|
|
__ MulOverflow(t0, t0, Operand(t1), t3);
|
|
__ sw(t0, MemOperand(a0, offsetof(T, output_mul2)));
|
|
__ sw(t3, MemOperand(a0, offsetof(T, overflow_mul2)));
|
|
|
|
__ jr(ra);
|
|
__ nop();
|
|
|
|
CodeDesc desc;
|
|
masm->GetCode(isolate, &desc);
|
|
Handle<Code> code =
|
|
Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
|
|
auto f = GeneratedCode<F3>::FromCode(*code);
|
|
t.lhs = ii;
|
|
t.rhs = jj;
|
|
f.Call(&t, 0, 0, 0, 0);
|
|
|
|
expected_add_ovf = base::bits::SignedAddOverflow32(ii, jj, &expected_add);
|
|
expected_sub_ovf = base::bits::SignedSubOverflow32(ii, jj, &expected_sub);
|
|
expected_mul_ovf = base::bits::SignedMulOverflow32(ii, jj, &expected_mul);
|
|
|
|
CHECK_EQ(expected_add_ovf, t.overflow_add < 0);
|
|
CHECK_EQ(expected_sub_ovf, t.overflow_sub < 0);
|
|
CHECK_EQ(expected_mul_ovf, t.overflow_mul != 0);
|
|
|
|
CHECK_EQ(t.overflow_add, t.overflow_add2);
|
|
CHECK_EQ(t.overflow_sub, t.overflow_sub2);
|
|
CHECK_EQ(t.overflow_mul, t.overflow_mul2);
|
|
|
|
CHECK_EQ(expected_add, t.output_add);
|
|
CHECK_EQ(expected_add, t.output_add2);
|
|
CHECK_EQ(expected_sub, t.output_sub);
|
|
CHECK_EQ(expected_sub, t.output_sub2);
|
|
if (!expected_mul_ovf) {
|
|
CHECK_EQ(expected_mul, t.output_mul);
|
|
CHECK_EQ(expected_mul, t.output_mul2);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
TEST(min_max_nan) {
|
|
CcTest::InitializeVM();
|
|
Isolate* isolate = CcTest::i_isolate();
|
|
HandleScope scope(isolate);
|
|
MacroAssembler assembler(isolate, v8::internal::CodeObjectRequired::kYes);
|
|
MacroAssembler* masm = &assembler;
|
|
|
|
struct TestFloat {
|
|
double a;
|
|
double b;
|
|
double c;
|
|
double d;
|
|
float e;
|
|
float f;
|
|
float g;
|
|
float h;
|
|
};
|
|
|
|
TestFloat test;
|
|
const double dnan = std::numeric_limits<double>::quiet_NaN();
|
|
const double dinf = std::numeric_limits<double>::infinity();
|
|
const double dminf = -std::numeric_limits<double>::infinity();
|
|
const float fnan = std::numeric_limits<float>::quiet_NaN();
|
|
const float finf = std::numeric_limits<float>::infinity();
|
|
const float fminf = std::numeric_limits<float>::infinity();
|
|
const int kTableLength = 13;
|
|
|
|
double inputsa[kTableLength] = {2.0, 3.0, -0.0, 0.0, 42.0, dinf, dminf,
|
|
dinf, dnan, 3.0, dinf, dnan, dnan};
|
|
double inputsb[kTableLength] = {3.0, 2.0, 0.0, -0.0, dinf, 42.0, dinf,
|
|
dminf, 3.0, dnan, dnan, dinf, dnan};
|
|
double outputsdmin[kTableLength] = {2.0, 2.0, -0.0, -0.0, 42.0,
|
|
42.0, dminf, dminf, dnan, dnan,
|
|
dnan, dnan, dnan};
|
|
double outputsdmax[kTableLength] = {3.0, 3.0, 0.0, 0.0, dinf, dinf, dinf,
|
|
dinf, dnan, dnan, dnan, dnan, dnan};
|
|
|
|
float inputse[kTableLength] = {2.0, 3.0, -0.0, 0.0, 42.0, finf, fminf,
|
|
finf, fnan, 3.0, finf, fnan, fnan};
|
|
float inputsf[kTableLength] = {3.0, 2.0, 0.0, -0.0, finf, 42.0, finf,
|
|
fminf, 3.0, fnan, fnan, finf, fnan};
|
|
float outputsfmin[kTableLength] = {2.0, 2.0, -0.0, -0.0, 42.0, 42.0, fminf,
|
|
fminf, fnan, fnan, fnan, fnan, fnan};
|
|
float outputsfmax[kTableLength] = {3.0, 3.0, 0.0, 0.0, finf, finf, finf,
|
|
finf, fnan, fnan, fnan, fnan, fnan};
|
|
|
|
auto handle_dnan = [masm](FPURegister dst, Label* nan, Label* back) {
|
|
__ bind(nan);
|
|
__ LoadRoot(t8, RootIndex::kNanValue);
|
|
__ Ldc1(dst, FieldMemOperand(t8, HeapNumber::kValueOffset));
|
|
__ Branch(back);
|
|
};
|
|
|
|
auto handle_snan = [masm, fnan](FPURegister dst, Label* nan, Label* back) {
|
|
__ bind(nan);
|
|
__ Move(dst, fnan);
|
|
__ Branch(back);
|
|
};
|
|
|
|
Label handle_mind_nan, handle_maxd_nan, handle_mins_nan, handle_maxs_nan;
|
|
Label back_mind_nan, back_maxd_nan, back_mins_nan, back_maxs_nan;
|
|
|
|
__ push(s6);
|
|
__ InitializeRootRegister();
|
|
__ Ldc1(f4, MemOperand(a0, offsetof(TestFloat, a)));
|
|
__ Ldc1(f8, MemOperand(a0, offsetof(TestFloat, b)));
|
|
__ lwc1(f2, MemOperand(a0, offsetof(TestFloat, e)));
|
|
__ lwc1(f6, MemOperand(a0, offsetof(TestFloat, f)));
|
|
__ Float64Min(f10, f4, f8, &handle_mind_nan);
|
|
__ bind(&back_mind_nan);
|
|
__ Float64Max(f12, f4, f8, &handle_maxd_nan);
|
|
__ bind(&back_maxd_nan);
|
|
__ Float32Min(f14, f2, f6, &handle_mins_nan);
|
|
__ bind(&back_mins_nan);
|
|
__ Float32Max(f16, f2, f6, &handle_maxs_nan);
|
|
__ bind(&back_maxs_nan);
|
|
__ Sdc1(f10, MemOperand(a0, offsetof(TestFloat, c)));
|
|
__ Sdc1(f12, MemOperand(a0, offsetof(TestFloat, d)));
|
|
__ swc1(f14, MemOperand(a0, offsetof(TestFloat, g)));
|
|
__ swc1(f16, MemOperand(a0, offsetof(TestFloat, h)));
|
|
__ pop(s6);
|
|
__ jr(ra);
|
|
__ nop();
|
|
|
|
handle_dnan(f10, &handle_mind_nan, &back_mind_nan);
|
|
handle_dnan(f12, &handle_maxd_nan, &back_maxd_nan);
|
|
handle_snan(f14, &handle_mins_nan, &back_mins_nan);
|
|
handle_snan(f16, &handle_maxs_nan, &back_maxs_nan);
|
|
|
|
CodeDesc desc;
|
|
masm->GetCode(isolate, &desc);
|
|
Handle<Code> code =
|
|
Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
|
|
auto f = GeneratedCode<F3>::FromCode(*code);
|
|
for (int i = 0; i < kTableLength; i++) {
|
|
test.a = inputsa[i];
|
|
test.b = inputsb[i];
|
|
test.e = inputse[i];
|
|
test.f = inputsf[i];
|
|
|
|
f.Call(&test, 0, 0, 0, 0);
|
|
|
|
CHECK_EQ(0, memcmp(&test.c, &outputsdmin[i], sizeof(test.c)));
|
|
CHECK_EQ(0, memcmp(&test.d, &outputsdmax[i], sizeof(test.d)));
|
|
CHECK_EQ(0, memcmp(&test.g, &outputsfmin[i], sizeof(test.g)));
|
|
CHECK_EQ(0, memcmp(&test.h, &outputsfmax[i], sizeof(test.h)));
|
|
}
|
|
}
|
|
|
|
template <typename IN_TYPE, typename Func>
|
|
bool run_Unaligned(char* memory_buffer, int32_t in_offset, int32_t out_offset,
|
|
IN_TYPE value, Func GenerateUnalignedInstructionFunc) {
|
|
using F_CVT = int32_t(char* x0, int x1, int x2, int x3, int x4);
|
|
|
|
Isolate* isolate = CcTest::i_isolate();
|
|
HandleScope scope(isolate);
|
|
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
|
|
MacroAssembler* masm = &assm;
|
|
IN_TYPE res;
|
|
|
|
GenerateUnalignedInstructionFunc(masm, in_offset, out_offset);
|
|
__ jr(ra);
|
|
__ nop();
|
|
|
|
CodeDesc desc;
|
|
assm.GetCode(isolate, &desc);
|
|
Handle<Code> code =
|
|
Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
|
|
|
|
auto f = GeneratedCode<F_CVT>::FromCode(*code);
|
|
|
|
MemCopy(memory_buffer + in_offset, &value, sizeof(IN_TYPE));
|
|
f.Call(memory_buffer, 0, 0, 0, 0);
|
|
MemCopy(&res, memory_buffer + out_offset, sizeof(IN_TYPE));
|
|
|
|
return res == value;
|
|
}
|
|
|
|
static const std::vector<uint64_t> unsigned_test_values() {
|
|
static const uint64_t kValues[] = {
|
|
0x2180F18A06384414, 0x000A714532102277, 0xBC1ACCCF180649F0,
|
|
0x8000000080008000, 0x0000000000000001, 0xFFFFFFFFFFFFFFFF,
|
|
};
|
|
return std::vector<uint64_t>(&kValues[0], &kValues[arraysize(kValues)]);
|
|
}
|
|
|
|
static const std::vector<int32_t> unsigned_test_offset() {
|
|
static const int32_t kValues[] = {// value, offset
|
|
-132 * KB, -21 * KB, 0, 19 * KB, 135 * KB};
|
|
return std::vector<int32_t>(&kValues[0], &kValues[arraysize(kValues)]);
|
|
}
|
|
|
|
static const std::vector<int32_t> unsigned_test_offset_increment() {
|
|
static const int32_t kValues[] = {-5, -4, -3, -2, -1, 0, 1, 2, 3, 4, 5};
|
|
return std::vector<int32_t>(&kValues[0], &kValues[arraysize(kValues)]);
|
|
}
|
|
|
|
TEST(Ulh) {
|
|
CcTest::InitializeVM();
|
|
|
|
static const int kBufferSize = 300 * KB;
|
|
char memory_buffer[kBufferSize];
|
|
char* buffer_middle = memory_buffer + (kBufferSize / 2);
|
|
|
|
FOR_UINT64_INPUTS(i, unsigned_test_values) {
|
|
FOR_INT32_INPUTS2(j1, j2, unsigned_test_offset) {
|
|
FOR_INT32_INPUTS2(k1, k2, unsigned_test_offset_increment) {
|
|
uint16_t value = static_cast<uint64_t>(*i & 0xFFFF);
|
|
int32_t in_offset = *j1 + *k1;
|
|
int32_t out_offset = *j2 + *k2;
|
|
|
|
auto fn_1 = [](MacroAssembler* masm, int32_t in_offset,
|
|
int32_t out_offset) {
|
|
__ Ulh(v0, MemOperand(a0, in_offset));
|
|
__ Ush(v0, MemOperand(a0, out_offset), v0);
|
|
};
|
|
CHECK_EQ(true, run_Unaligned<uint16_t>(buffer_middle, in_offset,
|
|
out_offset, value, fn_1));
|
|
|
|
auto fn_2 = [](MacroAssembler* masm, int32_t in_offset,
|
|
int32_t out_offset) {
|
|
__ mov(t0, a0);
|
|
__ Ulh(a0, MemOperand(a0, in_offset));
|
|
__ Ush(a0, MemOperand(t0, out_offset), v0);
|
|
};
|
|
CHECK_EQ(true, run_Unaligned<uint16_t>(buffer_middle, in_offset,
|
|
out_offset, value, fn_2));
|
|
|
|
auto fn_3 = [](MacroAssembler* masm, int32_t in_offset,
|
|
int32_t out_offset) {
|
|
__ mov(t0, a0);
|
|
__ Ulhu(a0, MemOperand(a0, in_offset));
|
|
__ Ush(a0, MemOperand(t0, out_offset), t1);
|
|
};
|
|
CHECK_EQ(true, run_Unaligned<uint16_t>(buffer_middle, in_offset,
|
|
out_offset, value, fn_3));
|
|
|
|
auto fn_4 = [](MacroAssembler* masm, int32_t in_offset,
|
|
int32_t out_offset) {
|
|
__ Ulhu(v0, MemOperand(a0, in_offset));
|
|
__ Ush(v0, MemOperand(a0, out_offset), t1);
|
|
};
|
|
CHECK_EQ(true, run_Unaligned<uint16_t>(buffer_middle, in_offset,
|
|
out_offset, value, fn_4));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST(Ulh_bitextension) {
|
|
CcTest::InitializeVM();
|
|
|
|
static const int kBufferSize = 300 * KB;
|
|
char memory_buffer[kBufferSize];
|
|
char* buffer_middle = memory_buffer + (kBufferSize / 2);
|
|
|
|
FOR_UINT64_INPUTS(i, unsigned_test_values) {
|
|
FOR_INT32_INPUTS2(j1, j2, unsigned_test_offset) {
|
|
FOR_INT32_INPUTS2(k1, k2, unsigned_test_offset_increment) {
|
|
uint16_t value = static_cast<uint64_t>(*i & 0xFFFF);
|
|
int32_t in_offset = *j1 + *k1;
|
|
int32_t out_offset = *j2 + *k2;
|
|
|
|
auto fn = [](MacroAssembler* masm, int32_t in_offset,
|
|
int32_t out_offset) {
|
|
Label success, fail, end, different;
|
|
__ Ulh(t0, MemOperand(a0, in_offset));
|
|
__ Ulhu(t1, MemOperand(a0, in_offset));
|
|
__ Branch(&different, ne, t0, Operand(t1));
|
|
|
|
// If signed and unsigned values are same, check
|
|
// the upper bits to see if they are zero
|
|
__ sra(t0, t0, 15);
|
|
__ Branch(&success, eq, t0, Operand(zero_reg));
|
|
__ Branch(&fail);
|
|
|
|
// If signed and unsigned values are different,
|
|
// check that the upper bits are complementary
|
|
__ bind(&different);
|
|
__ sra(t1, t1, 15);
|
|
__ Branch(&fail, ne, t1, Operand(1));
|
|
__ sra(t0, t0, 15);
|
|
__ addiu(t0, t0, 1);
|
|
__ Branch(&fail, ne, t0, Operand(zero_reg));
|
|
// Fall through to success
|
|
|
|
__ bind(&success);
|
|
__ Ulh(t0, MemOperand(a0, in_offset));
|
|
__ Ush(t0, MemOperand(a0, out_offset), v0);
|
|
__ Branch(&end);
|
|
__ bind(&fail);
|
|
__ Ush(zero_reg, MemOperand(a0, out_offset), v0);
|
|
__ bind(&end);
|
|
};
|
|
CHECK_EQ(true, run_Unaligned<uint16_t>(buffer_middle, in_offset,
|
|
out_offset, value, fn));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST(Ulw) {
|
|
CcTest::InitializeVM();
|
|
|
|
static const int kBufferSize = 300 * KB;
|
|
char memory_buffer[kBufferSize];
|
|
char* buffer_middle = memory_buffer + (kBufferSize / 2);
|
|
|
|
FOR_UINT64_INPUTS(i, unsigned_test_values) {
|
|
FOR_INT32_INPUTS2(j1, j2, unsigned_test_offset) {
|
|
FOR_INT32_INPUTS2(k1, k2, unsigned_test_offset_increment) {
|
|
uint32_t value = static_cast<uint32_t>(*i & 0xFFFFFFFF);
|
|
int32_t in_offset = *j1 + *k1;
|
|
int32_t out_offset = *j2 + *k2;
|
|
|
|
auto fn_1 = [](MacroAssembler* masm, int32_t in_offset,
|
|
int32_t out_offset) {
|
|
__ Ulw(v0, MemOperand(a0, in_offset));
|
|
__ Usw(v0, MemOperand(a0, out_offset));
|
|
};
|
|
CHECK_EQ(true, run_Unaligned<uint32_t>(buffer_middle, in_offset,
|
|
out_offset, value, fn_1));
|
|
|
|
auto fn_2 = [](MacroAssembler* masm, int32_t in_offset,
|
|
int32_t out_offset) {
|
|
__ mov(t0, a0);
|
|
__ Ulw(a0, MemOperand(a0, in_offset));
|
|
__ Usw(a0, MemOperand(t0, out_offset));
|
|
};
|
|
CHECK_EQ(true,
|
|
run_Unaligned<uint32_t>(buffer_middle, in_offset, out_offset,
|
|
(uint32_t)value, fn_2));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST(Ulwc1) {
|
|
CcTest::InitializeVM();
|
|
|
|
static const int kBufferSize = 300 * KB;
|
|
char memory_buffer[kBufferSize];
|
|
char* buffer_middle = memory_buffer + (kBufferSize / 2);
|
|
|
|
FOR_UINT64_INPUTS(i, unsigned_test_values) {
|
|
FOR_INT32_INPUTS2(j1, j2, unsigned_test_offset) {
|
|
FOR_INT32_INPUTS2(k1, k2, unsigned_test_offset_increment) {
|
|
float value = static_cast<float>(*i & 0xFFFFFFFF);
|
|
int32_t in_offset = *j1 + *k1;
|
|
int32_t out_offset = *j2 + *k2;
|
|
|
|
auto fn = [](MacroAssembler* masm, int32_t in_offset,
|
|
int32_t out_offset) {
|
|
__ Ulwc1(f0, MemOperand(a0, in_offset), t0);
|
|
__ Uswc1(f0, MemOperand(a0, out_offset), t0);
|
|
};
|
|
CHECK_EQ(true, run_Unaligned<float>(buffer_middle, in_offset,
|
|
out_offset, value, fn));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
TEST(Uldc1) {
|
|
CcTest::InitializeVM();
|
|
|
|
static const int kBufferSize = 300 * KB;
|
|
char memory_buffer[kBufferSize];
|
|
char* buffer_middle = memory_buffer + (kBufferSize / 2);
|
|
|
|
FOR_UINT64_INPUTS(i, unsigned_test_values) {
|
|
FOR_INT32_INPUTS2(j1, j2, unsigned_test_offset) {
|
|
FOR_INT32_INPUTS2(k1, k2, unsigned_test_offset_increment) {
|
|
double value = static_cast<double>(*i);
|
|
int32_t in_offset = *j1 + *k1;
|
|
int32_t out_offset = *j2 + *k2;
|
|
|
|
auto fn = [](MacroAssembler* masm, int32_t in_offset,
|
|
int32_t out_offset) {
|
|
__ Uldc1(f0, MemOperand(a0, in_offset), t0);
|
|
__ Usdc1(f0, MemOperand(a0, out_offset), t0);
|
|
};
|
|
CHECK_EQ(true, run_Unaligned<double>(buffer_middle, in_offset,
|
|
out_offset, value, fn));
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
static const std::vector<uint32_t> sltu_test_values() {
|
|
static const uint32_t kValues[] = {
|
|
0, 1, 0x7FFE, 0x7FFF, 0x8000,
|
|
0x8001, 0xFFFE, 0xFFFF, 0xFFFF7FFE, 0xFFFF7FFF,
|
|
0xFFFF8000, 0xFFFF8001, 0xFFFFFFFE, 0xFFFFFFFF,
|
|
};
|
|
return std::vector<uint32_t>(&kValues[0], &kValues[arraysize(kValues)]);
|
|
}
|
|
|
|
template <typename Func>
|
|
bool run_Sltu(uint32_t rs, uint32_t rd, Func GenerateSltuInstructionFunc) {
|
|
using F_CVT = int32_t(uint32_t x0, uint32_t x1, int x2, int x3, int x4);
|
|
|
|
Isolate* isolate = CcTest::i_isolate();
|
|
HandleScope scope(isolate);
|
|
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
|
|
MacroAssembler* masm = &assm;
|
|
|
|
GenerateSltuInstructionFunc(masm, rd);
|
|
__ jr(ra);
|
|
__ nop();
|
|
|
|
CodeDesc desc;
|
|
assm.GetCode(isolate, &desc);
|
|
Handle<Code> code =
|
|
Factory::CodeBuilder(isolate, desc, CodeKind::FOR_TESTING).Build();
|
|
|
|
auto f = GeneratedCode<F_CVT>::FromCode(*code);
|
|
int32_t res = reinterpret_cast<int32_t>(f.Call(rs, rd, 0, 0, 0));
|
|
return res == 1;
|
|
}
|
|
|
|
TEST(Sltu) {
|
|
CcTest::InitializeVM();
|
|
|
|
FOR_UINT32_INPUTS(i, sltu_test_values) {
|
|
FOR_UINT32_INPUTS(j, sltu_test_values) {
|
|
uint32_t rs = *i;
|
|
uint32_t rd = *j;
|
|
|
|
auto fn_1 = [](MacroAssembler* masm, uint32_t imm) {
|
|
__ Sltu(v0, a0, Operand(imm));
|
|
};
|
|
CHECK_EQ(rs < rd, run_Sltu(rs, rd, fn_1));
|
|
|
|
auto fn_2 = [](MacroAssembler* masm, uint32_t imm) {
|
|
__ Sltu(v0, a0, a1);
|
|
};
|
|
CHECK_EQ(rs < rd, run_Sltu(rs, rd, fn_2));
|
|
}
|
|
}
|
|
}
|
|
|
|
template <typename T, typename Inputs, typename Results>
|
|
static GeneratedCode<F4> GenerateMacroFloat32MinMax(MacroAssembler* masm) {
|
|
T a = T::from_code(4); // f4
|
|
T b = T::from_code(6); // f6
|
|
T c = T::from_code(8); // f8
|
|
|
|
Label ool_min_abc, ool_min_aab, ool_min_aba;
|
|
Label ool_max_abc, ool_max_aab, ool_max_aba;
|
|
|
|
Label done_min_abc, done_min_aab, done_min_aba;
|
|
Label done_max_abc, done_max_aab, done_max_aba;
|
|
|
|
#define FLOAT_MIN_MAX(fminmax, res, x, y, done, ool, res_field) \
|
|
__ lwc1(x, MemOperand(a0, offsetof(Inputs, src1_))); \
|
|
__ lwc1(y, MemOperand(a0, offsetof(Inputs, src2_))); \
|
|
__ fminmax(res, x, y, &ool); \
|
|
__ bind(&done); \
|
|
__ swc1(a, MemOperand(a1, offsetof(Results, res_field)))
|
|
|
|
// a = min(b, c);
|
|
FLOAT_MIN_MAX(Float32Min, a, b, c, done_min_abc, ool_min_abc, min_abc_);
|
|
// a = min(a, b);
|
|
FLOAT_MIN_MAX(Float32Min, a, a, b, done_min_aab, ool_min_aab, min_aab_);
|
|
// a = min(b, a);
|
|
FLOAT_MIN_MAX(Float32Min, a, b, a, done_min_aba, ool_min_aba, min_aba_);
|
|
|
|
// a = max(b, c);
|
|
FLOAT_MIN_MAX(Float32Max, a, b, c, done_max_abc, ool_max_abc, max_abc_);
|
|
// a = max(a, b);
|
|
FLOAT_MIN_MAX(Float32Max, a, a, b, done_max_aab, ool_max_aab, max_aab_);
|
|
// a = max(b, a);
|
|
FLOAT_MIN_MAX(Float32Max, a, b, a, done_max_aba, ool_max_aba, max_aba_);
|
|
|
|
#undef FLOAT_MIN_MAX
|
|
|
|
__ jr(ra);
|
|
__ nop();
|
|
|
|
// Generate out-of-line cases.
|
|
__ bind(&ool_min_abc);
|
|
__ Float32MinOutOfLine(a, b, c);
|
|
__ Branch(&done_min_abc);
|
|
|
|
__ bind(&ool_min_aab);
|
|
__ Float32MinOutOfLine(a, a, b);
|
|
__ Branch(&done_min_aab);
|
|
|
|
__ bind(&ool_min_aba);
|
|
__ Float32MinOutOfLine(a, b, a);
|
|
__ Branch(&done_min_aba);
|
|
|
|
__ bind(&ool_max_abc);
|
|
__ Float32MaxOutOfLine(a, b, c);
|
|
__ Branch(&done_max_abc);
|
|
|
|
__ bind(&ool_max_aab);
|
|
__ Float32MaxOutOfLine(a, a, b);
|
|
__ Branch(&done_max_aab);
|
|
|
|
__ bind(&ool_max_aba);
|
|
__ Float32MaxOutOfLine(a, b, a);
|
|
__ Branch(&done_max_aba);
|
|
|
|
CodeDesc desc;
|
|
masm->GetCode(masm->isolate(), &desc);
|
|
Handle<Code> code =
|
|
Factory::CodeBuilder(masm->isolate(), desc, CodeKind::FOR_TESTING)
|
|
.Build();
|
|
#ifdef DEBUG
|
|
StdoutStream os;
|
|
code->Print(os);
|
|
#endif
|
|
return GeneratedCode<F4>::FromCode(*code);
|
|
}
|
|
|
|
TEST(macro_float_minmax_f32) {
|
|
// Test the Float32Min and Float32Max macros.
|
|
CcTest::InitializeVM();
|
|
Isolate* isolate = CcTest::i_isolate();
|
|
HandleScope scope(isolate);
|
|
|
|
MacroAssembler assembler(isolate, v8::internal::CodeObjectRequired::kYes);
|
|
MacroAssembler* masm = &assembler;
|
|
|
|
struct Inputs {
|
|
float src1_;
|
|
float src2_;
|
|
};
|
|
|
|
struct Results {
|
|
// Check all register aliasing possibilities in order to exercise all
|
|
// code-paths in the macro assembler.
|
|
float min_abc_;
|
|
float min_aab_;
|
|
float min_aba_;
|
|
float max_abc_;
|
|
float max_aab_;
|
|
float max_aba_;
|
|
};
|
|
|
|
GeneratedCode<F4> f =
|
|
GenerateMacroFloat32MinMax<FPURegister, Inputs, Results>(masm);
|
|
|
|
#define CHECK_MINMAX(src1, src2, min, max) \
|
|
do { \
|
|
Inputs inputs = {src1, src2}; \
|
|
Results results; \
|
|
f.Call(&inputs, &results, 0, 0, 0); \
|
|
CHECK_EQ(bit_cast<uint32_t>(min), bit_cast<uint32_t>(results.min_abc_)); \
|
|
CHECK_EQ(bit_cast<uint32_t>(min), bit_cast<uint32_t>(results.min_aab_)); \
|
|
CHECK_EQ(bit_cast<uint32_t>(min), bit_cast<uint32_t>(results.min_aba_)); \
|
|
CHECK_EQ(bit_cast<uint32_t>(max), bit_cast<uint32_t>(results.max_abc_)); \
|
|
CHECK_EQ(bit_cast<uint32_t>(max), bit_cast<uint32_t>(results.max_aab_)); \
|
|
CHECK_EQ(bit_cast<uint32_t>(max), bit_cast<uint32_t>(results.max_aba_)); \
|
|
/* Use a bit_cast to correctly identify -0.0 and NaNs. */ \
|
|
} while (0)
|
|
|
|
float nan_a = std::numeric_limits<float>::quiet_NaN();
|
|
float nan_b = std::numeric_limits<float>::quiet_NaN();
|
|
|
|
CHECK_MINMAX(1.0f, -1.0f, -1.0f, 1.0f);
|
|
CHECK_MINMAX(-1.0f, 1.0f, -1.0f, 1.0f);
|
|
CHECK_MINMAX(0.0f, -1.0f, -1.0f, 0.0f);
|
|
CHECK_MINMAX(-1.0f, 0.0f, -1.0f, 0.0f);
|
|
CHECK_MINMAX(-0.0f, -1.0f, -1.0f, -0.0f);
|
|
CHECK_MINMAX(-1.0f, -0.0f, -1.0f, -0.0f);
|
|
CHECK_MINMAX(0.0f, 1.0f, 0.0f, 1.0f);
|
|
CHECK_MINMAX(1.0f, 0.0f, 0.0f, 1.0f);
|
|
|
|
CHECK_MINMAX(0.0f, 0.0f, 0.0f, 0.0f);
|
|
CHECK_MINMAX(-0.0f, -0.0f, -0.0f, -0.0f);
|
|
CHECK_MINMAX(-0.0f, 0.0f, -0.0f, 0.0f);
|
|
CHECK_MINMAX(0.0f, -0.0f, -0.0f, 0.0f);
|
|
|
|
CHECK_MINMAX(0.0f, nan_a, nan_a, nan_a);
|
|
CHECK_MINMAX(nan_a, 0.0f, nan_a, nan_a);
|
|
CHECK_MINMAX(nan_a, nan_b, nan_a, nan_a);
|
|
CHECK_MINMAX(nan_b, nan_a, nan_b, nan_b);
|
|
|
|
#undef CHECK_MINMAX
|
|
}
|
|
|
|
template <typename T, typename Inputs, typename Results>
|
|
static GeneratedCode<F4> GenerateMacroFloat64MinMax(MacroAssembler* masm) {
|
|
T a = T::from_code(4); // f4
|
|
T b = T::from_code(6); // f6
|
|
T c = T::from_code(8); // f8
|
|
|
|
Label ool_min_abc, ool_min_aab, ool_min_aba;
|
|
Label ool_max_abc, ool_max_aab, ool_max_aba;
|
|
|
|
Label done_min_abc, done_min_aab, done_min_aba;
|
|
Label done_max_abc, done_max_aab, done_max_aba;
|
|
|
|
#define FLOAT_MIN_MAX(fminmax, res, x, y, done, ool, res_field) \
|
|
__ Ldc1(x, MemOperand(a0, offsetof(Inputs, src1_))); \
|
|
__ Ldc1(y, MemOperand(a0, offsetof(Inputs, src2_))); \
|
|
__ fminmax(res, x, y, &ool); \
|
|
__ bind(&done); \
|
|
__ Sdc1(a, MemOperand(a1, offsetof(Results, res_field)))
|
|
|
|
// a = min(b, c);
|
|
FLOAT_MIN_MAX(Float64Min, a, b, c, done_min_abc, ool_min_abc, min_abc_);
|
|
// a = min(a, b);
|
|
FLOAT_MIN_MAX(Float64Min, a, a, b, done_min_aab, ool_min_aab, min_aab_);
|
|
// a = min(b, a);
|
|
FLOAT_MIN_MAX(Float64Min, a, b, a, done_min_aba, ool_min_aba, min_aba_);
|
|
|
|
// a = max(b, c);
|
|
FLOAT_MIN_MAX(Float64Max, a, b, c, done_max_abc, ool_max_abc, max_abc_);
|
|
// a = max(a, b);
|
|
FLOAT_MIN_MAX(Float64Max, a, a, b, done_max_aab, ool_max_aab, max_aab_);
|
|
// a = max(b, a);
|
|
FLOAT_MIN_MAX(Float64Max, a, b, a, done_max_aba, ool_max_aba, max_aba_);
|
|
|
|
#undef FLOAT_MIN_MAX
|
|
|
|
__ jr(ra);
|
|
__ nop();
|
|
|
|
// Generate out-of-line cases.
|
|
__ bind(&ool_min_abc);
|
|
__ Float64MinOutOfLine(a, b, c);
|
|
__ Branch(&done_min_abc);
|
|
|
|
__ bind(&ool_min_aab);
|
|
__ Float64MinOutOfLine(a, a, b);
|
|
__ Branch(&done_min_aab);
|
|
|
|
__ bind(&ool_min_aba);
|
|
__ Float64MinOutOfLine(a, b, a);
|
|
__ Branch(&done_min_aba);
|
|
|
|
__ bind(&ool_max_abc);
|
|
__ Float64MaxOutOfLine(a, b, c);
|
|
__ Branch(&done_max_abc);
|
|
|
|
__ bind(&ool_max_aab);
|
|
__ Float64MaxOutOfLine(a, a, b);
|
|
__ Branch(&done_max_aab);
|
|
|
|
__ bind(&ool_max_aba);
|
|
__ Float64MaxOutOfLine(a, b, a);
|
|
__ Branch(&done_max_aba);
|
|
|
|
CodeDesc desc;
|
|
masm->GetCode(masm->isolate(), &desc);
|
|
Handle<Code> code =
|
|
Factory::CodeBuilder(masm->isolate(), desc, CodeKind::FOR_TESTING)
|
|
.Build();
|
|
#ifdef DEBUG
|
|
StdoutStream os;
|
|
code->Print(os);
|
|
#endif
|
|
return GeneratedCode<F4>::FromCode(*code);
|
|
}
|
|
|
|
TEST(macro_float_minmax_f64) {
|
|
// Test the Float64Min and Float64Max macros.
|
|
CcTest::InitializeVM();
|
|
Isolate* isolate = CcTest::i_isolate();
|
|
HandleScope scope(isolate);
|
|
|
|
MacroAssembler assembler(isolate, v8::internal::CodeObjectRequired::kYes);
|
|
MacroAssembler* masm = &assembler;
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|
|
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struct Inputs {
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double src1_;
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double src2_;
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};
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|
|
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struct Results {
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// Check all register aliasing possibilities in order to exercise all
|
|
// code-paths in the macro assembler.
|
|
double min_abc_;
|
|
double min_aab_;
|
|
double min_aba_;
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|
double max_abc_;
|
|
double max_aab_;
|
|
double max_aba_;
|
|
};
|
|
|
|
GeneratedCode<F4> f =
|
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GenerateMacroFloat64MinMax<DoubleRegister, Inputs, Results>(masm);
|
|
|
|
#define CHECK_MINMAX(src1, src2, min, max) \
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|
do { \
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|
Inputs inputs = {src1, src2}; \
|
|
Results results; \
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|
f.Call(&inputs, &results, 0, 0, 0); \
|
|
CHECK_EQ(bit_cast<uint64_t>(min), bit_cast<uint64_t>(results.min_abc_)); \
|
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CHECK_EQ(bit_cast<uint64_t>(min), bit_cast<uint64_t>(results.min_aab_)); \
|
|
CHECK_EQ(bit_cast<uint64_t>(min), bit_cast<uint64_t>(results.min_aba_)); \
|
|
CHECK_EQ(bit_cast<uint64_t>(max), bit_cast<uint64_t>(results.max_abc_)); \
|
|
CHECK_EQ(bit_cast<uint64_t>(max), bit_cast<uint64_t>(results.max_aab_)); \
|
|
CHECK_EQ(bit_cast<uint64_t>(max), bit_cast<uint64_t>(results.max_aba_)); \
|
|
/* Use a bit_cast to correctly identify -0.0 and NaNs. */ \
|
|
} while (0)
|
|
|
|
double nan_a = std::numeric_limits<double>::quiet_NaN();
|
|
double nan_b = std::numeric_limits<double>::quiet_NaN();
|
|
|
|
CHECK_MINMAX(1.0, -1.0, -1.0, 1.0);
|
|
CHECK_MINMAX(-1.0, 1.0, -1.0, 1.0);
|
|
CHECK_MINMAX(0.0, -1.0, -1.0, 0.0);
|
|
CHECK_MINMAX(-1.0, 0.0, -1.0, 0.0);
|
|
CHECK_MINMAX(-0.0, -1.0, -1.0, -0.0);
|
|
CHECK_MINMAX(-1.0, -0.0, -1.0, -0.0);
|
|
CHECK_MINMAX(0.0, 1.0, 0.0, 1.0);
|
|
CHECK_MINMAX(1.0, 0.0, 0.0, 1.0);
|
|
|
|
CHECK_MINMAX(0.0, 0.0, 0.0, 0.0);
|
|
CHECK_MINMAX(-0.0, -0.0, -0.0, -0.0);
|
|
CHECK_MINMAX(-0.0, 0.0, -0.0, 0.0);
|
|
CHECK_MINMAX(0.0, -0.0, -0.0, 0.0);
|
|
|
|
CHECK_MINMAX(0.0, nan_a, nan_a, nan_a);
|
|
CHECK_MINMAX(nan_a, 0.0, nan_a, nan_a);
|
|
CHECK_MINMAX(nan_a, nan_b, nan_a, nan_a);
|
|
CHECK_MINMAX(nan_b, nan_a, nan_b, nan_b);
|
|
|
|
#undef CHECK_MINMAX
|
|
}
|
|
|
|
TEST(DeoptExitSizeIsFixed) {
|
|
CHECK(Deoptimizer::kSupportsFixedDeoptExitSizes);
|
|
|
|
Isolate* isolate = CcTest::i_isolate();
|
|
HandleScope handles(isolate);
|
|
auto buffer = AllocateAssemblerBuffer();
|
|
MacroAssembler masm(isolate, v8::internal::CodeObjectRequired::kYes,
|
|
buffer->CreateView());
|
|
STATIC_ASSERT(static_cast<int>(kFirstDeoptimizeKind) == 0);
|
|
for (int i = 0; i < kDeoptimizeKindCount; i++) {
|
|
DeoptimizeKind kind = static_cast<DeoptimizeKind>(i);
|
|
Label before_exit;
|
|
masm.bind(&before_exit);
|
|
if (kind == DeoptimizeKind::kEagerWithResume) {
|
|
Builtins::Name target = Deoptimizer::GetDeoptWithResumeBuiltin(
|
|
DeoptimizeReason::kDynamicCheckMaps);
|
|
masm.CallForDeoptimization(target, 42, &before_exit, kind, &before_exit,
|
|
nullptr);
|
|
CHECK_EQ(masm.SizeOfCodeGeneratedSince(&before_exit),
|
|
Deoptimizer::kEagerWithResumeDeoptExitSize);
|
|
} else {
|
|
Builtins::Name target = Deoptimizer::GetDeoptimizationEntry(kind);
|
|
masm.CallForDeoptimization(target, 42, &before_exit, kind, &before_exit,
|
|
nullptr);
|
|
CHECK_EQ(masm.SizeOfCodeGeneratedSince(&before_exit),
|
|
kind == DeoptimizeKind::kLazy
|
|
? Deoptimizer::kLazyDeoptExitSize
|
|
: Deoptimizer::kNonLazyDeoptExitSize);
|
|
}
|
|
}
|
|
}
|
|
|
|
#undef __
|
|
|
|
} // namespace internal
|
|
} // namespace v8
|