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1278 lines
34 KiB
1278 lines
34 KiB
// Copyright 2011 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 "v8.h"
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#include "disassembler.h"
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#include "factory.h"
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#include "macro-assembler.h"
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#include "mips/macro-assembler-mips.h"
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#include "mips/simulator-mips.h"
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#include "cctest.h"
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using namespace v8::internal;
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// Define these function prototypes to match JSEntryFunction in execution.cc.
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typedef Object* (*F1)(int x, int p1, int p2, int p3, int p4);
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typedef Object* (*F2)(int x, int y, int p2, int p3, int p4);
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typedef Object* (*F3)(void* p, int p1, int p2, int p3, int p4);
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static v8::Persistent<v8::Context> env;
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static void InitializeVM() {
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// Disable compilation of natives.
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FLAG_disable_native_files = true;
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if (env.IsEmpty()) {
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env = v8::Context::New();
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}
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}
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#define __ assm.
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TEST(MIPS0) {
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InitializeVM();
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v8::HandleScope scope;
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MacroAssembler assm(Isolate::Current(), NULL, 0);
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// Addition.
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__ addu(v0, a0, a1);
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__ jr(ra);
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__ nop();
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CodeDesc desc;
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assm.GetCode(&desc);
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Object* code = HEAP->CreateCode(
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desc,
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Code::ComputeFlags(Code::STUB),
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Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
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CHECK(code->IsCode());
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F2 f = FUNCTION_CAST<F2>(Code::cast(code)->entry());
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int res = reinterpret_cast<int>(CALL_GENERATED_CODE(f, 0xab0, 0xc, 0, 0, 0));
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::printf("f() = %d\n", res);
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CHECK_EQ(0xabc, res);
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}
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TEST(MIPS1) {
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InitializeVM();
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v8::HandleScope scope;
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MacroAssembler assm(Isolate::Current(), NULL, 0);
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Label L, C;
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__ mov(a1, a0);
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__ li(v0, 0);
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__ b(&C);
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__ nop();
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__ bind(&L);
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__ addu(v0, v0, a1);
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__ addiu(a1, a1, -1);
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__ bind(&C);
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__ xori(v1, a1, 0);
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__ Branch(&L, ne, v1, Operand(0));
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__ nop();
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__ jr(ra);
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__ nop();
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CodeDesc desc;
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assm.GetCode(&desc);
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Object* code = HEAP->CreateCode(
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desc,
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Code::ComputeFlags(Code::STUB),
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Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
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CHECK(code->IsCode());
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F1 f = FUNCTION_CAST<F1>(Code::cast(code)->entry());
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int res = reinterpret_cast<int>(CALL_GENERATED_CODE(f, 50, 0, 0, 0, 0));
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::printf("f() = %d\n", res);
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CHECK_EQ(1275, res);
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}
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TEST(MIPS2) {
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InitializeVM();
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v8::HandleScope scope;
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MacroAssembler assm(Isolate::Current(), NULL, 0);
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Label exit, error;
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// ----- Test all instructions.
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// Test lui, ori, and addiu, used in the li pseudo-instruction.
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// This way we can then safely load registers with chosen values.
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__ ori(t0, zero_reg, 0);
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__ lui(t0, 0x1234);
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__ ori(t0, t0, 0);
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__ ori(t0, t0, 0x0f0f);
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__ ori(t0, t0, 0xf0f0);
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__ addiu(t1, t0, 1);
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__ addiu(t2, t1, -0x10);
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// Load values in temporary registers.
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__ li(t0, 0x00000004);
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__ li(t1, 0x00001234);
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__ li(t2, 0x12345678);
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__ li(t3, 0x7fffffff);
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__ li(t4, 0xfffffffc);
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__ li(t5, 0xffffedcc);
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__ li(t6, 0xedcba988);
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__ li(t7, 0x80000000);
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// SPECIAL class.
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__ srl(v0, t2, 8); // 0x00123456
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__ sll(v0, v0, 11); // 0x91a2b000
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__ sra(v0, v0, 3); // 0xf2345600
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__ srav(v0, v0, t0); // 0xff234560
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__ sllv(v0, v0, t0); // 0xf2345600
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__ srlv(v0, v0, t0); // 0x0f234560
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__ Branch(&error, ne, v0, Operand(0x0f234560));
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__ nop();
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__ addu(v0, t0, t1); // 0x00001238
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__ subu(v0, v0, t0); // 0x00001234
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__ Branch(&error, ne, v0, Operand(0x00001234));
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__ nop();
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__ addu(v1, t3, t0);
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__ Branch(&error, ne, v1, Operand(0x80000003));
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__ nop();
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__ subu(v1, t7, t0); // 0x7ffffffc
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__ Branch(&error, ne, v1, Operand(0x7ffffffc));
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__ nop();
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__ and_(v0, t1, t2); // 0x00001230
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__ or_(v0, v0, t1); // 0x00001234
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__ xor_(v0, v0, t2); // 0x1234444c
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__ nor(v0, v0, t2); // 0xedcba987
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__ Branch(&error, ne, v0, Operand(0xedcba983));
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__ nop();
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__ slt(v0, t7, t3);
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__ Branch(&error, ne, v0, Operand(0x1));
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__ nop();
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__ sltu(v0, t7, t3);
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__ Branch(&error, ne, v0, Operand(0x0));
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__ nop();
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// End of SPECIAL class.
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__ addiu(v0, zero_reg, 0x7421); // 0x00007421
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__ addiu(v0, v0, -0x1); // 0x00007420
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__ addiu(v0, v0, -0x20); // 0x00007400
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__ Branch(&error, ne, v0, Operand(0x00007400));
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__ nop();
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__ addiu(v1, t3, 0x1); // 0x80000000
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__ Branch(&error, ne, v1, Operand(0x80000000));
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__ nop();
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__ slti(v0, t1, 0x00002000); // 0x1
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__ slti(v0, v0, 0xffff8000); // 0x0
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__ Branch(&error, ne, v0, Operand(0x0));
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__ nop();
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__ sltiu(v0, t1, 0x00002000); // 0x1
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__ sltiu(v0, v0, 0x00008000); // 0x1
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__ Branch(&error, ne, v0, Operand(0x1));
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__ nop();
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__ andi(v0, t1, 0xf0f0); // 0x00001030
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__ ori(v0, v0, 0x8a00); // 0x00009a30
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__ xori(v0, v0, 0x83cc); // 0x000019fc
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__ Branch(&error, ne, v0, Operand(0x000019fc));
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__ nop();
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__ lui(v1, 0x8123); // 0x81230000
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__ Branch(&error, ne, v1, Operand(0x81230000));
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__ nop();
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// Bit twiddling instructions & conditional moves.
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// Uses t0-t7 as set above.
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__ clz(v0, t0); // 29
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__ clz(v1, t1); // 19
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__ addu(v0, v0, v1); // 48
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__ clz(v1, t2); // 3
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__ addu(v0, v0, v1); // 51
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__ clz(v1, t7); // 0
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__ addu(v0, v0, v1); // 51
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__ Branch(&error, ne, v0, Operand(51));
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__ movn(a0, t3, t0); // Move a0<-t3 (t0 is NOT 0).
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__ Ins(a0, t1, 12, 8); // 0x7ff34fff
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__ Branch(&error, ne, a0, Operand(0x7ff34fff));
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__ movz(a0, t6, t7); // a0 not updated (t7 is NOT 0).
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__ Ext(a1, a0, 8, 12); // 0x34f
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__ Branch(&error, ne, a1, Operand(0x34f));
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__ movz(a0, t6, v1); // a0<-t6, v0 is 0, from 8 instr back.
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__ Branch(&error, ne, a0, Operand(t6));
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// Everything was correctly executed. Load the expected result.
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__ li(v0, 0x31415926);
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__ b(&exit);
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__ nop();
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__ bind(&error);
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// Got an error. Return a wrong result.
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__ li(v0, 666);
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__ bind(&exit);
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__ jr(ra);
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__ nop();
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CodeDesc desc;
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assm.GetCode(&desc);
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Object* code = HEAP->CreateCode(
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desc,
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Code::ComputeFlags(Code::STUB),
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Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
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CHECK(code->IsCode());
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F2 f = FUNCTION_CAST<F2>(Code::cast(code)->entry());
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int res = reinterpret_cast<int>(CALL_GENERATED_CODE(f, 0xab0, 0xc, 0, 0, 0));
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::printf("f() = %d\n", res);
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CHECK_EQ(0x31415926, res);
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}
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TEST(MIPS3) {
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// Test floating point instructions.
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InitializeVM();
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v8::HandleScope scope;
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typedef struct {
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double a;
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double b;
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double c;
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double d;
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double e;
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double f;
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double g;
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} T;
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T t;
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// Create a function that accepts &t, and loads, manipulates, and stores
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// the doubles t.a ... t.f.
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MacroAssembler assm(Isolate::Current(), NULL, 0);
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Label L, C;
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if (CpuFeatures::IsSupported(FPU)) {
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CpuFeatures::Scope scope(FPU);
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__ ldc1(f4, MemOperand(a0, OFFSET_OF(T, a)) );
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__ ldc1(f6, MemOperand(a0, OFFSET_OF(T, b)) );
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__ add_d(f8, f4, f6);
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__ sdc1(f8, MemOperand(a0, OFFSET_OF(T, c)) ); // c = a + b.
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__ mov_d(f10, f8); // c
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__ neg_d(f12, f6); // -b
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__ sub_d(f10, f10, f12);
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__ sdc1(f10, MemOperand(a0, OFFSET_OF(T, d)) ); // d = c - (-b).
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__ sdc1(f4, MemOperand(a0, OFFSET_OF(T, b)) ); // b = a.
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__ li(t0, 120);
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__ mtc1(t0, f14);
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__ cvt_d_w(f14, f14); // f14 = 120.0.
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__ mul_d(f10, f10, f14);
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__ sdc1(f10, MemOperand(a0, OFFSET_OF(T, e)) ); // e = d * 120 = 1.8066e16.
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__ div_d(f12, f10, f4);
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__ sdc1(f12, MemOperand(a0, OFFSET_OF(T, f)) ); // f = e / a = 120.44.
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__ sqrt_d(f14, f12);
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__ sdc1(f14, MemOperand(a0, OFFSET_OF(T, g)) );
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// g = sqrt(f) = 10.97451593465515908537
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__ jr(ra);
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__ nop();
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CodeDesc desc;
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assm.GetCode(&desc);
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Object* code = HEAP->CreateCode(
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desc,
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Code::ComputeFlags(Code::STUB),
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Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
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CHECK(code->IsCode());
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F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry());
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t.a = 1.5e14;
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t.b = 2.75e11;
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t.c = 0.0;
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t.d = 0.0;
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t.e = 0.0;
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t.f = 0.0;
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Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0);
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USE(dummy);
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CHECK_EQ(1.5e14, t.a);
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CHECK_EQ(1.5e14, t.b);
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CHECK_EQ(1.50275e14, t.c);
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CHECK_EQ(1.50550e14, t.d);
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CHECK_EQ(1.8066e16, t.e);
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CHECK_EQ(120.44, t.f);
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CHECK_EQ(10.97451593465515908537, t.g);
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}
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}
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TEST(MIPS4) {
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// Test moves between floating point and integer registers.
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InitializeVM();
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v8::HandleScope scope;
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typedef struct {
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double a;
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double b;
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double c;
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} T;
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T t;
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Assembler assm(Isolate::Current(), NULL, 0);
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Label L, C;
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if (CpuFeatures::IsSupported(FPU)) {
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CpuFeatures::Scope scope(FPU);
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__ ldc1(f4, MemOperand(a0, OFFSET_OF(T, a)) );
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__ ldc1(f6, MemOperand(a0, OFFSET_OF(T, b)) );
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// Swap f4 and f6, by using four integer registers, t0-t3.
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__ mfc1(t0, f4);
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__ mfc1(t1, f5);
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__ mfc1(t2, f6);
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__ mfc1(t3, f7);
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__ mtc1(t0, f6);
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__ mtc1(t1, f7);
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__ mtc1(t2, f4);
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__ mtc1(t3, f5);
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// Store the swapped f4 and f5 back to memory.
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__ sdc1(f4, MemOperand(a0, OFFSET_OF(T, a)) );
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__ sdc1(f6, MemOperand(a0, OFFSET_OF(T, c)) );
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__ jr(ra);
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__ nop();
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CodeDesc desc;
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assm.GetCode(&desc);
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Object* code = HEAP->CreateCode(
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desc,
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Code::ComputeFlags(Code::STUB),
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Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
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CHECK(code->IsCode());
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F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry());
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t.a = 1.5e22;
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t.b = 2.75e11;
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t.c = 17.17;
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Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0);
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USE(dummy);
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CHECK_EQ(2.75e11, t.a);
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CHECK_EQ(2.75e11, t.b);
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CHECK_EQ(1.5e22, t.c);
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}
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}
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TEST(MIPS5) {
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// Test conversions between doubles and integers.
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InitializeVM();
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v8::HandleScope scope;
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typedef struct {
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double a;
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double b;
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int i;
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int j;
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} T;
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T t;
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Assembler assm(Isolate::Current(), NULL, 0);
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Label L, C;
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if (CpuFeatures::IsSupported(FPU)) {
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CpuFeatures::Scope scope(FPU);
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// Load all structure elements to registers.
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__ ldc1(f4, MemOperand(a0, OFFSET_OF(T, a)) );
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__ ldc1(f6, MemOperand(a0, OFFSET_OF(T, b)) );
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__ lw(t0, MemOperand(a0, OFFSET_OF(T, i)) );
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__ lw(t1, MemOperand(a0, OFFSET_OF(T, j)) );
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// Convert double in f4 to int in element i.
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__ cvt_w_d(f8, f4);
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__ mfc1(t2, f8);
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__ sw(t2, MemOperand(a0, OFFSET_OF(T, i)) );
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// Convert double in f6 to int in element j.
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__ cvt_w_d(f10, f6);
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__ mfc1(t3, f10);
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__ sw(t3, MemOperand(a0, OFFSET_OF(T, j)) );
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// Convert int in original i (t0) to double in a.
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__ mtc1(t0, f12);
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__ cvt_d_w(f0, f12);
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__ sdc1(f0, MemOperand(a0, OFFSET_OF(T, a)) );
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// Convert int in original j (t1) to double in b.
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__ mtc1(t1, f14);
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__ cvt_d_w(f2, f14);
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__ sdc1(f2, MemOperand(a0, OFFSET_OF(T, b)) );
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__ jr(ra);
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__ nop();
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CodeDesc desc;
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assm.GetCode(&desc);
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Object* code = HEAP->CreateCode(
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desc,
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Code::ComputeFlags(Code::STUB),
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Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
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CHECK(code->IsCode());
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F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry());
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t.a = 1.5e4;
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t.b = 2.75e8;
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t.i = 12345678;
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t.j = -100000;
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Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0);
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USE(dummy);
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CHECK_EQ(12345678.0, t.a);
|
|
CHECK_EQ(-100000.0, t.b);
|
|
CHECK_EQ(15000, t.i);
|
|
CHECK_EQ(275000000, t.j);
|
|
}
|
|
}
|
|
|
|
|
|
TEST(MIPS6) {
|
|
// Test simple memory loads and stores.
|
|
InitializeVM();
|
|
v8::HandleScope scope;
|
|
|
|
typedef struct {
|
|
uint32_t ui;
|
|
int32_t si;
|
|
int32_t r1;
|
|
int32_t r2;
|
|
int32_t r3;
|
|
int32_t r4;
|
|
int32_t r5;
|
|
int32_t r6;
|
|
} T;
|
|
T t;
|
|
|
|
Assembler assm(Isolate::Current(), NULL, 0);
|
|
Label L, C;
|
|
|
|
// Basic word load/store.
|
|
__ lw(t0, MemOperand(a0, OFFSET_OF(T, ui)) );
|
|
__ sw(t0, MemOperand(a0, OFFSET_OF(T, r1)) );
|
|
|
|
// lh with positive data.
|
|
__ lh(t1, MemOperand(a0, OFFSET_OF(T, ui)) );
|
|
__ sw(t1, MemOperand(a0, OFFSET_OF(T, r2)) );
|
|
|
|
// lh with negative data.
|
|
__ lh(t2, MemOperand(a0, OFFSET_OF(T, si)) );
|
|
__ sw(t2, MemOperand(a0, OFFSET_OF(T, r3)) );
|
|
|
|
// lhu with negative data.
|
|
__ lhu(t3, MemOperand(a0, OFFSET_OF(T, si)) );
|
|
__ sw(t3, MemOperand(a0, OFFSET_OF(T, r4)) );
|
|
|
|
// lb with negative data.
|
|
__ lb(t4, MemOperand(a0, OFFSET_OF(T, si)) );
|
|
__ sw(t4, MemOperand(a0, OFFSET_OF(T, r5)) );
|
|
|
|
// sh writes only 1/2 of word.
|
|
__ lui(t5, 0x3333);
|
|
__ ori(t5, t5, 0x3333);
|
|
__ sw(t5, MemOperand(a0, OFFSET_OF(T, r6)) );
|
|
__ lhu(t5, MemOperand(a0, OFFSET_OF(T, si)) );
|
|
__ sh(t5, MemOperand(a0, OFFSET_OF(T, r6)) );
|
|
|
|
__ jr(ra);
|
|
__ nop();
|
|
|
|
CodeDesc desc;
|
|
assm.GetCode(&desc);
|
|
Object* code = HEAP->CreateCode(
|
|
desc,
|
|
Code::ComputeFlags(Code::STUB),
|
|
Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
|
|
CHECK(code->IsCode());
|
|
F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry());
|
|
t.ui = 0x11223344;
|
|
t.si = 0x99aabbcc;
|
|
Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0);
|
|
USE(dummy);
|
|
|
|
CHECK_EQ(0x11223344, t.r1);
|
|
CHECK_EQ(0x3344, t.r2);
|
|
CHECK_EQ(0xffffbbcc, t.r3);
|
|
CHECK_EQ(0x0000bbcc, t.r4);
|
|
CHECK_EQ(0xffffffcc, t.r5);
|
|
CHECK_EQ(0x3333bbcc, t.r6);
|
|
}
|
|
|
|
|
|
TEST(MIPS7) {
|
|
// Test floating point compare and branch instructions.
|
|
InitializeVM();
|
|
v8::HandleScope scope;
|
|
|
|
typedef struct {
|
|
double a;
|
|
double b;
|
|
double c;
|
|
double d;
|
|
double e;
|
|
double f;
|
|
int32_t result;
|
|
} T;
|
|
T t;
|
|
|
|
// Create a function that accepts &t, and loads, manipulates, and stores
|
|
// the doubles t.a ... t.f.
|
|
MacroAssembler assm(Isolate::Current(), NULL, 0);
|
|
Label neither_is_nan, less_than, outa_here;
|
|
|
|
if (CpuFeatures::IsSupported(FPU)) {
|
|
CpuFeatures::Scope scope(FPU);
|
|
|
|
__ ldc1(f4, MemOperand(a0, OFFSET_OF(T, a)) );
|
|
__ ldc1(f6, MemOperand(a0, OFFSET_OF(T, b)) );
|
|
__ c(UN, D, f4, f6);
|
|
__ bc1f(&neither_is_nan);
|
|
__ nop();
|
|
__ sw(zero_reg, MemOperand(a0, OFFSET_OF(T, result)) );
|
|
__ Branch(&outa_here);
|
|
|
|
__ bind(&neither_is_nan);
|
|
|
|
__ c(OLT, D, f6, f4, 2);
|
|
__ bc1t(&less_than, 2);
|
|
__ nop();
|
|
__ sw(zero_reg, MemOperand(a0, OFFSET_OF(T, result)) );
|
|
__ Branch(&outa_here);
|
|
|
|
__ bind(&less_than);
|
|
__ Addu(t0, zero_reg, Operand(1));
|
|
__ sw(t0, MemOperand(a0, OFFSET_OF(T, result)) ); // Set true.
|
|
|
|
|
|
// This test-case should have additional tests.
|
|
|
|
__ bind(&outa_here);
|
|
|
|
__ jr(ra);
|
|
__ nop();
|
|
|
|
CodeDesc desc;
|
|
assm.GetCode(&desc);
|
|
Object* code = HEAP->CreateCode(
|
|
desc,
|
|
Code::ComputeFlags(Code::STUB),
|
|
Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
|
|
CHECK(code->IsCode());
|
|
F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry());
|
|
t.a = 1.5e14;
|
|
t.b = 2.75e11;
|
|
t.c = 2.0;
|
|
t.d = -4.0;
|
|
t.e = 0.0;
|
|
t.f = 0.0;
|
|
t.result = 0;
|
|
Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0);
|
|
USE(dummy);
|
|
CHECK_EQ(1.5e14, t.a);
|
|
CHECK_EQ(2.75e11, t.b);
|
|
CHECK_EQ(1, t.result);
|
|
}
|
|
}
|
|
|
|
|
|
TEST(MIPS8) {
|
|
// Test ROTR and ROTRV instructions.
|
|
InitializeVM();
|
|
v8::HandleScope scope;
|
|
|
|
typedef struct {
|
|
int32_t input;
|
|
int32_t result_rotr_4;
|
|
int32_t result_rotr_8;
|
|
int32_t result_rotr_12;
|
|
int32_t result_rotr_16;
|
|
int32_t result_rotr_20;
|
|
int32_t result_rotr_24;
|
|
int32_t result_rotr_28;
|
|
int32_t result_rotrv_4;
|
|
int32_t result_rotrv_8;
|
|
int32_t result_rotrv_12;
|
|
int32_t result_rotrv_16;
|
|
int32_t result_rotrv_20;
|
|
int32_t result_rotrv_24;
|
|
int32_t result_rotrv_28;
|
|
} T;
|
|
T t;
|
|
|
|
MacroAssembler assm(Isolate::Current(), NULL, 0);
|
|
|
|
// Basic word load.
|
|
__ lw(t0, MemOperand(a0, OFFSET_OF(T, input)) );
|
|
|
|
// ROTR instruction (called through the Ror macro).
|
|
__ Ror(t1, t0, 0x0004);
|
|
__ Ror(t2, t0, 0x0008);
|
|
__ Ror(t3, t0, 0x000c);
|
|
__ Ror(t4, t0, 0x0010);
|
|
__ Ror(t5, t0, 0x0014);
|
|
__ Ror(t6, t0, 0x0018);
|
|
__ Ror(t7, t0, 0x001c);
|
|
|
|
// Basic word store.
|
|
__ sw(t1, MemOperand(a0, OFFSET_OF(T, result_rotr_4)) );
|
|
__ sw(t2, MemOperand(a0, OFFSET_OF(T, result_rotr_8)) );
|
|
__ sw(t3, MemOperand(a0, OFFSET_OF(T, result_rotr_12)) );
|
|
__ sw(t4, MemOperand(a0, OFFSET_OF(T, result_rotr_16)) );
|
|
__ sw(t5, MemOperand(a0, OFFSET_OF(T, result_rotr_20)) );
|
|
__ sw(t6, MemOperand(a0, OFFSET_OF(T, result_rotr_24)) );
|
|
__ sw(t7, MemOperand(a0, OFFSET_OF(T, result_rotr_28)) );
|
|
|
|
// ROTRV instruction (called through the Ror macro).
|
|
__ li(t7, 0x0004);
|
|
__ Ror(t1, t0, t7);
|
|
__ li(t7, 0x0008);
|
|
__ Ror(t2, t0, t7);
|
|
__ li(t7, 0x000C);
|
|
__ Ror(t3, t0, t7);
|
|
__ li(t7, 0x0010);
|
|
__ Ror(t4, t0, t7);
|
|
__ li(t7, 0x0014);
|
|
__ Ror(t5, t0, t7);
|
|
__ li(t7, 0x0018);
|
|
__ Ror(t6, t0, t7);
|
|
__ li(t7, 0x001C);
|
|
__ Ror(t7, t0, t7);
|
|
|
|
// Basic word store.
|
|
__ sw(t1, MemOperand(a0, OFFSET_OF(T, result_rotrv_4)) );
|
|
__ sw(t2, MemOperand(a0, OFFSET_OF(T, result_rotrv_8)) );
|
|
__ sw(t3, MemOperand(a0, OFFSET_OF(T, result_rotrv_12)) );
|
|
__ sw(t4, MemOperand(a0, OFFSET_OF(T, result_rotrv_16)) );
|
|
__ sw(t5, MemOperand(a0, OFFSET_OF(T, result_rotrv_20)) );
|
|
__ sw(t6, MemOperand(a0, OFFSET_OF(T, result_rotrv_24)) );
|
|
__ sw(t7, MemOperand(a0, OFFSET_OF(T, result_rotrv_28)) );
|
|
|
|
__ jr(ra);
|
|
__ nop();
|
|
|
|
CodeDesc desc;
|
|
assm.GetCode(&desc);
|
|
Object* code = HEAP->CreateCode(
|
|
desc,
|
|
Code::ComputeFlags(Code::STUB),
|
|
Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
|
|
CHECK(code->IsCode());
|
|
F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry());
|
|
t.input = 0x12345678;
|
|
Object* dummy = CALL_GENERATED_CODE(f, &t, 0x0, 0, 0, 0);
|
|
USE(dummy);
|
|
CHECK_EQ(0x81234567, t.result_rotr_4);
|
|
CHECK_EQ(0x78123456, t.result_rotr_8);
|
|
CHECK_EQ(0x67812345, t.result_rotr_12);
|
|
CHECK_EQ(0x56781234, t.result_rotr_16);
|
|
CHECK_EQ(0x45678123, t.result_rotr_20);
|
|
CHECK_EQ(0x34567812, t.result_rotr_24);
|
|
CHECK_EQ(0x23456781, t.result_rotr_28);
|
|
|
|
CHECK_EQ(0x81234567, t.result_rotrv_4);
|
|
CHECK_EQ(0x78123456, t.result_rotrv_8);
|
|
CHECK_EQ(0x67812345, t.result_rotrv_12);
|
|
CHECK_EQ(0x56781234, t.result_rotrv_16);
|
|
CHECK_EQ(0x45678123, t.result_rotrv_20);
|
|
CHECK_EQ(0x34567812, t.result_rotrv_24);
|
|
CHECK_EQ(0x23456781, t.result_rotrv_28);
|
|
}
|
|
|
|
|
|
TEST(MIPS9) {
|
|
// Test BRANCH improvements.
|
|
InitializeVM();
|
|
v8::HandleScope scope;
|
|
|
|
MacroAssembler assm(Isolate::Current(), NULL, 0);
|
|
Label exit, exit2, exit3;
|
|
|
|
__ Branch(&exit, ge, a0, Operand(0x00000000));
|
|
__ Branch(&exit2, ge, a0, Operand(0x00001FFF));
|
|
__ Branch(&exit3, ge, a0, Operand(0x0001FFFF));
|
|
|
|
__ bind(&exit);
|
|
__ bind(&exit2);
|
|
__ bind(&exit3);
|
|
__ jr(ra);
|
|
__ nop();
|
|
|
|
CodeDesc desc;
|
|
assm.GetCode(&desc);
|
|
Object* code = HEAP->CreateCode(
|
|
desc,
|
|
Code::ComputeFlags(Code::STUB),
|
|
Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
|
|
CHECK(code->IsCode());
|
|
}
|
|
|
|
|
|
TEST(MIPS10) {
|
|
// Test conversions between doubles and long integers.
|
|
// Test hos the long ints map to FP regs pairs.
|
|
InitializeVM();
|
|
v8::HandleScope scope;
|
|
|
|
typedef struct {
|
|
double a;
|
|
double b;
|
|
int32_t dbl_mant;
|
|
int32_t dbl_exp;
|
|
int32_t long_hi;
|
|
int32_t long_lo;
|
|
int32_t b_long_hi;
|
|
int32_t b_long_lo;
|
|
} T;
|
|
T t;
|
|
|
|
Assembler assm(Isolate::Current(), NULL, 0);
|
|
Label L, C;
|
|
|
|
if (CpuFeatures::IsSupported(FPU) && mips32r2) {
|
|
CpuFeatures::Scope scope(FPU);
|
|
|
|
// Load all structure elements to registers.
|
|
__ ldc1(f0, MemOperand(a0, OFFSET_OF(T, a)));
|
|
|
|
// Save the raw bits of the double.
|
|
__ mfc1(t0, f0);
|
|
__ mfc1(t1, f1);
|
|
__ sw(t0, MemOperand(a0, OFFSET_OF(T, dbl_mant)));
|
|
__ sw(t1, MemOperand(a0, OFFSET_OF(T, dbl_exp)));
|
|
|
|
// Convert double in f0 to long, save hi/lo parts.
|
|
__ cvt_l_d(f0, f0);
|
|
__ mfc1(t0, f0); // f0 has LS 32 bits of long.
|
|
__ mfc1(t1, f1); // f1 has MS 32 bits of long.
|
|
__ sw(t0, MemOperand(a0, OFFSET_OF(T, long_lo)));
|
|
__ sw(t1, MemOperand(a0, OFFSET_OF(T, long_hi)));
|
|
|
|
// Convert the b long integers to double b.
|
|
__ lw(t0, MemOperand(a0, OFFSET_OF(T, b_long_lo)));
|
|
__ lw(t1, MemOperand(a0, OFFSET_OF(T, b_long_hi)));
|
|
__ mtc1(t0, f8); // f8 has LS 32-bits.
|
|
__ mtc1(t1, f9); // f9 has MS 32-bits.
|
|
__ cvt_d_l(f10, f8);
|
|
__ sdc1(f10, MemOperand(a0, OFFSET_OF(T, b)));
|
|
|
|
__ jr(ra);
|
|
__ nop();
|
|
|
|
CodeDesc desc;
|
|
assm.GetCode(&desc);
|
|
Object* code = HEAP->CreateCode(
|
|
desc,
|
|
Code::ComputeFlags(Code::STUB),
|
|
Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
|
|
CHECK(code->IsCode());
|
|
F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry());
|
|
t.a = 2.147483647e9; // 0x7fffffff -> 0x41DFFFFFFFC00000 as double.
|
|
t.b_long_hi = 0x000000ff; // 0xFF00FF00FF -> 0x426FE01FE01FE000 as double.
|
|
t.b_long_lo = 0x00ff00ff;
|
|
Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0);
|
|
USE(dummy);
|
|
|
|
CHECK_EQ(0x41DFFFFF, t.dbl_exp);
|
|
CHECK_EQ(0xFFC00000, t.dbl_mant);
|
|
CHECK_EQ(0, t.long_hi);
|
|
CHECK_EQ(0x7fffffff, t.long_lo);
|
|
// 0xFF00FF00FF -> 1.095233372415e12.
|
|
CHECK_EQ(1.095233372415e12, t.b);
|
|
}
|
|
}
|
|
|
|
|
|
TEST(MIPS11) {
|
|
// Test LWL, LWR, SWL and SWR instructions.
|
|
InitializeVM();
|
|
v8::HandleScope scope;
|
|
|
|
typedef struct {
|
|
int32_t reg_init;
|
|
int32_t mem_init;
|
|
int32_t lwl_0;
|
|
int32_t lwl_1;
|
|
int32_t lwl_2;
|
|
int32_t lwl_3;
|
|
int32_t lwr_0;
|
|
int32_t lwr_1;
|
|
int32_t lwr_2;
|
|
int32_t lwr_3;
|
|
int32_t swl_0;
|
|
int32_t swl_1;
|
|
int32_t swl_2;
|
|
int32_t swl_3;
|
|
int32_t swr_0;
|
|
int32_t swr_1;
|
|
int32_t swr_2;
|
|
int32_t swr_3;
|
|
} T;
|
|
T t;
|
|
|
|
Assembler assm(Isolate::Current(), NULL, 0);
|
|
|
|
// Test all combinations of LWL and vAddr.
|
|
__ lw(t0, MemOperand(a0, OFFSET_OF(T, reg_init)) );
|
|
__ lwl(t0, MemOperand(a0, OFFSET_OF(T, mem_init)) );
|
|
__ sw(t0, MemOperand(a0, OFFSET_OF(T, lwl_0)) );
|
|
|
|
__ lw(t1, MemOperand(a0, OFFSET_OF(T, reg_init)) );
|
|
__ lwl(t1, MemOperand(a0, OFFSET_OF(T, mem_init) + 1) );
|
|
__ sw(t1, MemOperand(a0, OFFSET_OF(T, lwl_1)) );
|
|
|
|
__ lw(t2, MemOperand(a0, OFFSET_OF(T, reg_init)) );
|
|
__ lwl(t2, MemOperand(a0, OFFSET_OF(T, mem_init) + 2) );
|
|
__ sw(t2, MemOperand(a0, OFFSET_OF(T, lwl_2)) );
|
|
|
|
__ lw(t3, MemOperand(a0, OFFSET_OF(T, reg_init)) );
|
|
__ lwl(t3, MemOperand(a0, OFFSET_OF(T, mem_init) + 3) );
|
|
__ sw(t3, MemOperand(a0, OFFSET_OF(T, lwl_3)) );
|
|
|
|
// Test all combinations of LWR and vAddr.
|
|
__ lw(t0, MemOperand(a0, OFFSET_OF(T, reg_init)) );
|
|
__ lwr(t0, MemOperand(a0, OFFSET_OF(T, mem_init)) );
|
|
__ sw(t0, MemOperand(a0, OFFSET_OF(T, lwr_0)) );
|
|
|
|
__ lw(t1, MemOperand(a0, OFFSET_OF(T, reg_init)) );
|
|
__ lwr(t1, MemOperand(a0, OFFSET_OF(T, mem_init) + 1) );
|
|
__ sw(t1, MemOperand(a0, OFFSET_OF(T, lwr_1)) );
|
|
|
|
__ lw(t2, MemOperand(a0, OFFSET_OF(T, reg_init)) );
|
|
__ lwr(t2, MemOperand(a0, OFFSET_OF(T, mem_init) + 2) );
|
|
__ sw(t2, MemOperand(a0, OFFSET_OF(T, lwr_2)) );
|
|
|
|
__ lw(t3, MemOperand(a0, OFFSET_OF(T, reg_init)) );
|
|
__ lwr(t3, MemOperand(a0, OFFSET_OF(T, mem_init) + 3) );
|
|
__ sw(t3, MemOperand(a0, OFFSET_OF(T, lwr_3)) );
|
|
|
|
// Test all combinations of SWL and vAddr.
|
|
__ lw(t0, MemOperand(a0, OFFSET_OF(T, mem_init)) );
|
|
__ sw(t0, MemOperand(a0, OFFSET_OF(T, swl_0)) );
|
|
__ lw(t0, MemOperand(a0, OFFSET_OF(T, reg_init)) );
|
|
__ swl(t0, MemOperand(a0, OFFSET_OF(T, swl_0)) );
|
|
|
|
__ lw(t1, MemOperand(a0, OFFSET_OF(T, mem_init)) );
|
|
__ sw(t1, MemOperand(a0, OFFSET_OF(T, swl_1)) );
|
|
__ lw(t1, MemOperand(a0, OFFSET_OF(T, reg_init)) );
|
|
__ swl(t1, MemOperand(a0, OFFSET_OF(T, swl_1) + 1) );
|
|
|
|
__ lw(t2, MemOperand(a0, OFFSET_OF(T, mem_init)) );
|
|
__ sw(t2, MemOperand(a0, OFFSET_OF(T, swl_2)) );
|
|
__ lw(t2, MemOperand(a0, OFFSET_OF(T, reg_init)) );
|
|
__ swl(t2, MemOperand(a0, OFFSET_OF(T, swl_2) + 2) );
|
|
|
|
__ lw(t3, MemOperand(a0, OFFSET_OF(T, mem_init)) );
|
|
__ sw(t3, MemOperand(a0, OFFSET_OF(T, swl_3)) );
|
|
__ lw(t3, MemOperand(a0, OFFSET_OF(T, reg_init)) );
|
|
__ swl(t3, MemOperand(a0, OFFSET_OF(T, swl_3) + 3) );
|
|
|
|
// Test all combinations of SWR and vAddr.
|
|
__ lw(t0, MemOperand(a0, OFFSET_OF(T, mem_init)) );
|
|
__ sw(t0, MemOperand(a0, OFFSET_OF(T, swr_0)) );
|
|
__ lw(t0, MemOperand(a0, OFFSET_OF(T, reg_init)) );
|
|
__ swr(t0, MemOperand(a0, OFFSET_OF(T, swr_0)) );
|
|
|
|
__ lw(t1, MemOperand(a0, OFFSET_OF(T, mem_init)) );
|
|
__ sw(t1, MemOperand(a0, OFFSET_OF(T, swr_1)) );
|
|
__ lw(t1, MemOperand(a0, OFFSET_OF(T, reg_init)) );
|
|
__ swr(t1, MemOperand(a0, OFFSET_OF(T, swr_1) + 1) );
|
|
|
|
__ lw(t2, MemOperand(a0, OFFSET_OF(T, mem_init)) );
|
|
__ sw(t2, MemOperand(a0, OFFSET_OF(T, swr_2)) );
|
|
__ lw(t2, MemOperand(a0, OFFSET_OF(T, reg_init)) );
|
|
__ swr(t2, MemOperand(a0, OFFSET_OF(T, swr_2) + 2) );
|
|
|
|
__ lw(t3, MemOperand(a0, OFFSET_OF(T, mem_init)) );
|
|
__ sw(t3, MemOperand(a0, OFFSET_OF(T, swr_3)) );
|
|
__ lw(t3, MemOperand(a0, OFFSET_OF(T, reg_init)) );
|
|
__ swr(t3, MemOperand(a0, OFFSET_OF(T, swr_3) + 3) );
|
|
|
|
__ jr(ra);
|
|
__ nop();
|
|
|
|
CodeDesc desc;
|
|
assm.GetCode(&desc);
|
|
Object* code = HEAP->CreateCode(
|
|
desc,
|
|
Code::ComputeFlags(Code::STUB),
|
|
Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
|
|
CHECK(code->IsCode());
|
|
F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry());
|
|
t.reg_init = 0xaabbccdd;
|
|
t.mem_init = 0x11223344;
|
|
|
|
Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0);
|
|
USE(dummy);
|
|
|
|
CHECK_EQ(0x44bbccdd, t.lwl_0);
|
|
CHECK_EQ(0x3344ccdd, t.lwl_1);
|
|
CHECK_EQ(0x223344dd, t.lwl_2);
|
|
CHECK_EQ(0x11223344, t.lwl_3);
|
|
|
|
CHECK_EQ(0x11223344, t.lwr_0);
|
|
CHECK_EQ(0xaa112233, t.lwr_1);
|
|
CHECK_EQ(0xaabb1122, t.lwr_2);
|
|
CHECK_EQ(0xaabbcc11, t.lwr_3);
|
|
|
|
CHECK_EQ(0x112233aa, t.swl_0);
|
|
CHECK_EQ(0x1122aabb, t.swl_1);
|
|
CHECK_EQ(0x11aabbcc, t.swl_2);
|
|
CHECK_EQ(0xaabbccdd, t.swl_3);
|
|
|
|
CHECK_EQ(0xaabbccdd, t.swr_0);
|
|
CHECK_EQ(0xbbccdd44, t.swr_1);
|
|
CHECK_EQ(0xccdd3344, t.swr_2);
|
|
CHECK_EQ(0xdd223344, t.swr_3);
|
|
}
|
|
|
|
|
|
TEST(MIPS12) {
|
|
InitializeVM();
|
|
v8::HandleScope scope;
|
|
|
|
typedef struct {
|
|
int32_t x;
|
|
int32_t y;
|
|
int32_t y1;
|
|
int32_t y2;
|
|
int32_t y3;
|
|
int32_t y4;
|
|
} T;
|
|
T t;
|
|
|
|
MacroAssembler assm(Isolate::Current(), NULL, 0);
|
|
|
|
__ mov(t6, fp); // Save frame pointer.
|
|
__ mov(fp, a0); // Access struct T by fp.
|
|
__ lw(t0, MemOperand(a0, OFFSET_OF(T, y)) );
|
|
__ lw(t3, MemOperand(a0, OFFSET_OF(T, y4)) );
|
|
|
|
__ addu(t1, t0, t3);
|
|
__ subu(t4, t0, t3);
|
|
__ nop();
|
|
__ push(t0); // These instructions disappear after opt.
|
|
__ Pop();
|
|
__ addu(t0, t0, t0);
|
|
__ nop();
|
|
__ Pop(); // These instructions disappear after opt.
|
|
__ push(t3);
|
|
__ nop();
|
|
__ push(t3); // These instructions disappear after opt.
|
|
__ pop(t3);
|
|
__ nop();
|
|
__ push(t3);
|
|
__ pop(t4);
|
|
__ nop();
|
|
__ sw(t0, MemOperand(fp, OFFSET_OF(T, y)) );
|
|
__ lw(t0, MemOperand(fp, OFFSET_OF(T, y)) );
|
|
__ nop();
|
|
__ sw(t0, MemOperand(fp, OFFSET_OF(T, y)) );
|
|
__ lw(t1, MemOperand(fp, OFFSET_OF(T, y)) );
|
|
__ nop();
|
|
__ push(t1);
|
|
__ lw(t1, MemOperand(fp, OFFSET_OF(T, y)) );
|
|
__ pop(t1);
|
|
__ nop();
|
|
__ push(t1);
|
|
__ lw(t2, MemOperand(fp, OFFSET_OF(T, y)) );
|
|
__ pop(t1);
|
|
__ nop();
|
|
__ push(t1);
|
|
__ lw(t2, MemOperand(fp, OFFSET_OF(T, y)) );
|
|
__ pop(t2);
|
|
__ nop();
|
|
__ push(t2);
|
|
__ lw(t2, MemOperand(fp, OFFSET_OF(T, y)) );
|
|
__ pop(t1);
|
|
__ nop();
|
|
__ push(t1);
|
|
__ lw(t2, MemOperand(fp, OFFSET_OF(T, y)) );
|
|
__ pop(t3);
|
|
__ nop();
|
|
|
|
__ mov(fp, t6);
|
|
__ jr(ra);
|
|
__ nop();
|
|
|
|
CodeDesc desc;
|
|
assm.GetCode(&desc);
|
|
Object* code = HEAP->CreateCode(
|
|
desc,
|
|
Code::ComputeFlags(Code::STUB),
|
|
Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
|
|
CHECK(code->IsCode());
|
|
F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry());
|
|
t.x = 1;
|
|
t.y = 2;
|
|
t.y1 = 3;
|
|
t.y2 = 4;
|
|
t.y3 = 0XBABA;
|
|
t.y4 = 0xDEDA;
|
|
|
|
Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0);
|
|
USE(dummy);
|
|
|
|
CHECK_EQ(3, t.y1);
|
|
}
|
|
|
|
|
|
TEST(MIPS13) {
|
|
// Test Cvt_d_uw and Trunc_uw_d macros.
|
|
InitializeVM();
|
|
v8::HandleScope scope;
|
|
|
|
typedef struct {
|
|
double cvt_big_out;
|
|
double cvt_small_out;
|
|
uint32_t trunc_big_out;
|
|
uint32_t trunc_small_out;
|
|
uint32_t cvt_big_in;
|
|
uint32_t cvt_small_in;
|
|
} T;
|
|
T t;
|
|
|
|
MacroAssembler assm(Isolate::Current(), NULL, 0);
|
|
|
|
if (CpuFeatures::IsSupported(FPU)) {
|
|
CpuFeatures::Scope scope(FPU);
|
|
|
|
__ sw(t0, MemOperand(a0, OFFSET_OF(T, cvt_small_in)));
|
|
__ Cvt_d_uw(f10, t0, f22);
|
|
__ sdc1(f10, MemOperand(a0, OFFSET_OF(T, cvt_small_out)));
|
|
|
|
__ Trunc_uw_d(f10, f10, f22);
|
|
__ swc1(f10, MemOperand(a0, OFFSET_OF(T, trunc_small_out)));
|
|
|
|
__ sw(t0, MemOperand(a0, OFFSET_OF(T, cvt_big_in)));
|
|
__ Cvt_d_uw(f8, t0, f22);
|
|
__ sdc1(f8, MemOperand(a0, OFFSET_OF(T, cvt_big_out)));
|
|
|
|
__ Trunc_uw_d(f8, f8, f22);
|
|
__ swc1(f8, MemOperand(a0, OFFSET_OF(T, trunc_big_out)));
|
|
|
|
__ jr(ra);
|
|
__ nop();
|
|
|
|
CodeDesc desc;
|
|
assm.GetCode(&desc);
|
|
Object* code = HEAP->CreateCode(
|
|
desc,
|
|
Code::ComputeFlags(Code::STUB),
|
|
Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
|
|
CHECK(code->IsCode());
|
|
F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry());
|
|
|
|
t.cvt_big_in = 0xFFFFFFFF;
|
|
t.cvt_small_in = 333;
|
|
|
|
Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0);
|
|
USE(dummy);
|
|
|
|
CHECK_EQ(t.cvt_big_out, static_cast<double>(t.cvt_big_in));
|
|
CHECK_EQ(t.cvt_small_out, static_cast<double>(t.cvt_small_in));
|
|
|
|
CHECK_EQ(static_cast<int>(t.trunc_big_out), static_cast<int>(t.cvt_big_in));
|
|
CHECK_EQ(static_cast<int>(t.trunc_small_out),
|
|
static_cast<int>(t.cvt_small_in));
|
|
}
|
|
}
|
|
|
|
|
|
TEST(MIPS14) {
|
|
// Test round, floor, ceil, trunc, cvt.
|
|
InitializeVM();
|
|
v8::HandleScope scope;
|
|
|
|
#define ROUND_STRUCT_ELEMENT(x) \
|
|
int32_t x##_up_out; \
|
|
int32_t x##_down_out; \
|
|
int32_t neg_##x##_up_out; \
|
|
int32_t neg_##x##_down_out; \
|
|
uint32_t x##_err1_out; \
|
|
uint32_t x##_err2_out; \
|
|
uint32_t x##_err3_out; \
|
|
uint32_t x##_err4_out; \
|
|
int32_t x##_invalid_result;
|
|
|
|
typedef struct {
|
|
double round_up_in;
|
|
double round_down_in;
|
|
double neg_round_up_in;
|
|
double neg_round_down_in;
|
|
double err1_in;
|
|
double err2_in;
|
|
double err3_in;
|
|
double err4_in;
|
|
|
|
ROUND_STRUCT_ELEMENT(round)
|
|
ROUND_STRUCT_ELEMENT(floor)
|
|
ROUND_STRUCT_ELEMENT(ceil)
|
|
ROUND_STRUCT_ELEMENT(trunc)
|
|
ROUND_STRUCT_ELEMENT(cvt)
|
|
} T;
|
|
T t;
|
|
|
|
#undef ROUND_STRUCT_ELEMENT
|
|
|
|
MacroAssembler assm(Isolate::Current(), NULL, 0);
|
|
|
|
if (CpuFeatures::IsSupported(FPU)) {
|
|
CpuFeatures::Scope scope(FPU);
|
|
|
|
// Save FCSR.
|
|
__ cfc1(a1, FCSR);
|
|
// Disable FPU exceptions.
|
|
__ ctc1(zero_reg, FCSR);
|
|
#define RUN_ROUND_TEST(x) \
|
|
__ ldc1(f0, MemOperand(a0, OFFSET_OF(T, round_up_in))); \
|
|
__ x##_w_d(f0, f0); \
|
|
__ swc1(f0, MemOperand(a0, OFFSET_OF(T, x##_up_out))); \
|
|
\
|
|
__ ldc1(f0, MemOperand(a0, OFFSET_OF(T, round_down_in))); \
|
|
__ x##_w_d(f0, f0); \
|
|
__ swc1(f0, MemOperand(a0, OFFSET_OF(T, x##_down_out))); \
|
|
\
|
|
__ ldc1(f0, MemOperand(a0, OFFSET_OF(T, neg_round_up_in))); \
|
|
__ x##_w_d(f0, f0); \
|
|
__ swc1(f0, MemOperand(a0, OFFSET_OF(T, neg_##x##_up_out))); \
|
|
\
|
|
__ ldc1(f0, MemOperand(a0, OFFSET_OF(T, neg_round_down_in))); \
|
|
__ x##_w_d(f0, f0); \
|
|
__ swc1(f0, MemOperand(a0, OFFSET_OF(T, neg_##x##_down_out))); \
|
|
\
|
|
__ ldc1(f0, MemOperand(a0, OFFSET_OF(T, err1_in))); \
|
|
__ ctc1(zero_reg, FCSR); \
|
|
__ x##_w_d(f0, f0); \
|
|
__ cfc1(a2, FCSR); \
|
|
__ sw(a2, MemOperand(a0, OFFSET_OF(T, x##_err1_out))); \
|
|
\
|
|
__ ldc1(f0, MemOperand(a0, OFFSET_OF(T, err2_in))); \
|
|
__ ctc1(zero_reg, FCSR); \
|
|
__ x##_w_d(f0, f0); \
|
|
__ cfc1(a2, FCSR); \
|
|
__ sw(a2, MemOperand(a0, OFFSET_OF(T, x##_err2_out))); \
|
|
\
|
|
__ ldc1(f0, MemOperand(a0, OFFSET_OF(T, err3_in))); \
|
|
__ ctc1(zero_reg, FCSR); \
|
|
__ x##_w_d(f0, f0); \
|
|
__ cfc1(a2, FCSR); \
|
|
__ sw(a2, MemOperand(a0, OFFSET_OF(T, x##_err3_out))); \
|
|
\
|
|
__ ldc1(f0, MemOperand(a0, OFFSET_OF(T, err4_in))); \
|
|
__ ctc1(zero_reg, FCSR); \
|
|
__ x##_w_d(f0, f0); \
|
|
__ cfc1(a2, FCSR); \
|
|
__ sw(a2, MemOperand(a0, OFFSET_OF(T, x##_err4_out))); \
|
|
__ swc1(f0, MemOperand(a0, OFFSET_OF(T, x##_invalid_result)));
|
|
|
|
RUN_ROUND_TEST(round)
|
|
RUN_ROUND_TEST(floor)
|
|
RUN_ROUND_TEST(ceil)
|
|
RUN_ROUND_TEST(trunc)
|
|
RUN_ROUND_TEST(cvt)
|
|
|
|
// Restore FCSR.
|
|
__ ctc1(a1, FCSR);
|
|
|
|
__ jr(ra);
|
|
__ nop();
|
|
|
|
CodeDesc desc;
|
|
assm.GetCode(&desc);
|
|
Object* code = HEAP->CreateCode(
|
|
desc,
|
|
Code::ComputeFlags(Code::STUB),
|
|
Handle<Object>(HEAP->undefined_value()))->ToObjectChecked();
|
|
CHECK(code->IsCode());
|
|
F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry());
|
|
|
|
t.round_up_in = 123.51;
|
|
t.round_down_in = 123.49;
|
|
t.neg_round_up_in = -123.5;
|
|
t.neg_round_down_in = -123.49;
|
|
t.err1_in = 123.51;
|
|
t.err2_in = 1;
|
|
t.err3_in = static_cast<double>(1) + 0xFFFFFFFF;
|
|
t.err4_in = NAN;
|
|
|
|
Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0);
|
|
USE(dummy);
|
|
|
|
#define GET_FPU_ERR(x) (static_cast<int>(x & kFCSRFlagMask))
|
|
#define CHECK_ROUND_RESULT(type) \
|
|
CHECK(GET_FPU_ERR(t.type##_err1_out) & kFCSRInexactFlagMask); \
|
|
CHECK_EQ(0, GET_FPU_ERR(t.type##_err2_out)); \
|
|
CHECK(GET_FPU_ERR(t.type##_err3_out) & kFCSRInvalidOpFlagMask); \
|
|
CHECK(GET_FPU_ERR(t.type##_err4_out) & kFCSRInvalidOpFlagMask); \
|
|
CHECK_EQ(kFPUInvalidResult, t.type##_invalid_result);
|
|
|
|
CHECK_ROUND_RESULT(round);
|
|
CHECK_ROUND_RESULT(floor);
|
|
CHECK_ROUND_RESULT(ceil);
|
|
CHECK_ROUND_RESULT(cvt);
|
|
}
|
|
}
|
|
|
|
|
|
TEST(MIPS15) {
|
|
// Test chaining of label usages within instructions (issue 1644).
|
|
InitializeVM();
|
|
v8::HandleScope scope;
|
|
Assembler assm(Isolate::Current(), NULL, 0);
|
|
|
|
Label target;
|
|
__ beq(v0, v1, &target);
|
|
__ nop();
|
|
__ bne(v0, v1, &target);
|
|
__ nop();
|
|
__ bind(&target);
|
|
__ nop();
|
|
}
|
|
|
|
#undef __
|
|
|