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// Copyright 2012 the V8 project authors. All rights reserved.
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#include <iostream> // NOLINT(readability/streams)
#include "src/init/v8.h"
#include "src/base/utils/random-number-generator.h"
#include "src/codegen/assembler-inl.h"
#include "src/codegen/macro-assembler.h"
#include "src/diagnostics/disassembler.h"
#include "src/execution/simulator.h"
#include "src/heap/factory.h"
#include "test/cctest/cctest.h"
namespace v8 {
namespace internal {
// Define these function prototypes to match JSEntryFunction in execution.cc.
// TODO(mips): Refine these signatures per test case.
using F1 = void*(int x, int p1, int p2, int p3, int p4);
using F2 = void*(int x, int y, int p2, int p3, int p4);
using F3 = void*(void* p, int p1, int p2, int p3, int p4);
using F4 = void*(void* p0, void* p1, int p2, int p3, int p4);
#define __ assm.
TEST(MIPS0) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
// Addition.
__ addu(v0, a0, a1);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F2>::FromCode(*code);
int res = reinterpret_cast<int>(f.Call(0xAB0, 0xC, 0, 0, 0));
CHECK_EQ(static_cast<int32_t>(0xABC), res);
}
TEST(MIPS1) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
Label L, C;
__ mov(a1, a0);
__ li(v0, 0);
__ b(&C);
__ nop();
__ bind(&L);
__ addu(v0, v0, a1);
__ addiu(a1, a1, -1);
__ bind(&C);
__ xori(v1, a1, 0);
__ Branch(&L, ne, v1, Operand(0));
__ nop();
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F1>::FromCode(*code);
int res = reinterpret_cast<int>(f.Call(50, 0, 0, 0, 0));
CHECK_EQ(1275, res);
}
TEST(MIPS2) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
Label exit, error;
// ----- Test all instructions.
// Test lui, ori, and addiu, used in the li pseudo-instruction.
// This way we can then safely load registers with chosen values.
__ ori(t0, zero_reg, 0);
__ lui(t0, 0x1234);
__ ori(t0, t0, 0);
__ ori(t0, t0, 0x0F0F);
__ ori(t0, t0, 0xF0F0);
__ addiu(t1, t0, 1);
__ addiu(t2, t1, -0x10);
// Load values in temporary registers.
__ li(t0, 0x00000004);
__ li(t1, 0x00001234);
__ li(t2, 0x12345678);
__ li(t3, 0x7FFFFFFF);
__ li(t4, 0xFFFFFFFC);
__ li(t5, 0xFFFFEDCC);
__ li(t6, 0xEDCBA988);
__ li(t7, 0x80000000);
// SPECIAL class.
__ srl(v0, t2, 8); // 0x00123456
__ sll(v0, v0, 11); // 0x91A2B000
__ sra(v0, v0, 3); // 0xF2345600
__ srav(v0, v0, t0); // 0xFF234560
__ sllv(v0, v0, t0); // 0xF2345600
__ srlv(v0, v0, t0); // 0x0F234560
__ Branch(&error, ne, v0, Operand(0x0F234560));
__ nop();
__ addu(v0, t0, t1); // 0x00001238
__ subu(v0, v0, t0); // 0x00001234
__ Branch(&error, ne, v0, Operand(0x00001234));
__ nop();
__ addu(v1, t3, t0);
__ Branch(&error, ne, v1, Operand(0x80000003));
__ nop();
__ subu(v1, t7, t0); // 0x7FFFFFFC
__ Branch(&error, ne, v1, Operand(0x7FFFFFFC));
__ nop();
__ and_(v0, t1, t2); // 0x00001230
__ or_(v0, v0, t1); // 0x00001234
__ xor_(v0, v0, t2); // 0x1234444C
__ nor(v0, v0, t2); // 0xEDCBA987
__ Branch(&error, ne, v0, Operand(0xEDCBA983));
__ nop();
__ slt(v0, t7, t3);
__ Branch(&error, ne, v0, Operand(0x1));
__ nop();
__ sltu(v0, t7, t3);
__ Branch(&error, ne, v0, Operand(zero_reg));
__ nop();
// End of SPECIAL class.
__ addiu(v0, zero_reg, 0x7421); // 0x00007421
__ addiu(v0, v0, -0x1); // 0x00007420
__ addiu(v0, v0, -0x20); // 0x00007400
__ Branch(&error, ne, v0, Operand(0x00007400));
__ nop();
__ addiu(v1, t3, 0x1); // 0x80000000
__ Branch(&error, ne, v1, Operand(0x80000000));
__ nop();
__ slti(v0, t1, 0x00002000); // 0x1
__ slti(v0, v0, 0xFFFF8000); // 0x0
__ Branch(&error, ne, v0, Operand(zero_reg));
__ nop();
__ sltiu(v0, t1, 0x00002000); // 0x1
__ sltiu(v0, v0, 0x00008000); // 0x1
__ Branch(&error, ne, v0, Operand(0x1));
__ nop();
__ andi(v0, t1, 0xF0F0); // 0x00001030
__ ori(v0, v0, 0x8A00); // 0x00009A30
__ xori(v0, v0, 0x83CC); // 0x000019FC
__ Branch(&error, ne, v0, Operand(0x000019FC));
__ nop();
__ lui(v1, 0x8123); // 0x81230000
__ Branch(&error, ne, v1, Operand(0x81230000));
__ nop();
// Bit twiddling instructions & conditional moves.
// Uses t0-t7 as set above.
__ Clz(v0, t0); // 29
__ Clz(v1, t1); // 19
__ addu(v0, v0, v1); // 48
__ Clz(v1, t2); // 3
__ addu(v0, v0, v1); // 51
__ Clz(v1, t7); // 0
__ addu(v0, v0, v1); // 51
__ Branch(&error, ne, v0, Operand(51));
__ Movn(a0, t3, t0); // Move a0<-t3 (t0 is NOT 0).
__ Ins(a0, t1, 12, 8); // 0x7FF34FFF
__ Branch(&error, ne, a0, Operand(0x7FF34FFF));
__ Movz(a0, t6, t7); // a0 not updated (t7 is NOT 0).
__ Ext(a1, a0, 8, 12); // 0x34F
__ Branch(&error, ne, a1, Operand(0x34F));
__ Movz(a0, t6, v1); // a0<-t6, v0 is 0, from 8 instr back.
__ Branch(&error, ne, a0, Operand(t6));
// Everything was correctly executed. Load the expected result.
__ li(v0, 0x31415926);
__ b(&exit);
__ nop();
__ bind(&error);
// Got an error. Return a wrong result.
__ li(v0, 666);
__ bind(&exit);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F2>::FromCode(*code);
int res = reinterpret_cast<int>(f.Call(0xAB0, 0xC, 0, 0, 0));
CHECK_EQ(static_cast<int32_t>(0x31415926), res);
}
TEST(MIPS3) {
// Test floating point instructions.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
struct T {
double a;
double b;
double c;
double d;
double e;
double f;
double g;
double h;
double i;
float fa;
float fb;
float fc;
float fd;
float fe;
float ff;
float fg;
};
T t;
// Create a function that accepts &t, and loads, manipulates, and stores
// the doubles t.a ... t.f.
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
// Double precision floating point instructions.
__ Ldc1(f4, MemOperand(a0, offsetof(T, a)));
__ Ldc1(f6, MemOperand(a0, offsetof(T, b)));
__ add_d(f8, f4, f6);
__ Sdc1(f8, MemOperand(a0, offsetof(T, c))); // c = a + b.
__ mov_d(f10, f8); // c
__ neg_d(f12, f6); // -b
__ sub_d(f10, f10, f12);
__ Sdc1(f10, MemOperand(a0, offsetof(T, d))); // d = c - (-b).
__ Sdc1(f4, MemOperand(a0, offsetof(T, b))); // b = a.
__ li(t0, 120);
__ mtc1(t0, f14);
__ cvt_d_w(f14, f14); // f14 = 120.0.
__ mul_d(f10, f10, f14);
__ Sdc1(f10, MemOperand(a0, offsetof(T, e))); // e = d * 120 = 1.8066e16.
__ div_d(f12, f10, f4);
__ Sdc1(f12, MemOperand(a0, offsetof(T, f))); // f = e / a = 120.44.
__ sqrt_d(f14, f12);
__ Sdc1(f14, MemOperand(a0, offsetof(T, g)));
// g = sqrt(f) = 10.97451593465515908537
if (IsMipsArchVariant(kMips32r2)) {
__ Ldc1(f4, MemOperand(a0, offsetof(T, h)));
__ Ldc1(f6, MemOperand(a0, offsetof(T, i)));
__ madd_d(f14, f6, f4, f6);
__ Sdc1(f14, MemOperand(a0, offsetof(T, h)));
}
// Single precision floating point instructions.
__ lwc1(f4, MemOperand(a0, offsetof(T, fa)) );
__ lwc1(f6, MemOperand(a0, offsetof(T, fb)) );
__ add_s(f8, f4, f6);
__ swc1(f8, MemOperand(a0, offsetof(T, fc)) ); // fc = fa + fb.
__ neg_s(f10, f6); // -fb
__ sub_s(f10, f8, f10);
__ swc1(f10, MemOperand(a0, offsetof(T, fd)) ); // fd = fc - (-fb).
__ swc1(f4, MemOperand(a0, offsetof(T, fb)) ); // fb = fa.
__ li(t0, 120);
__ mtc1(t0, f14);
__ cvt_s_w(f14, f14); // f14 = 120.0.
__ mul_s(f10, f10, f14);
__ swc1(f10, MemOperand(a0, offsetof(T, fe)) ); // fe = fd * 120
__ div_s(f12, f10, f4);
__ swc1(f12, MemOperand(a0, offsetof(T, ff)) ); // ff = fe / fa
__ sqrt_s(f14, f12);
__ swc1(f14, MemOperand(a0, offsetof(T, fg)) );
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F3>::FromCode(*code);
// Double test values.
t.a = 1.5e14;
t.b = 2.75e11;
t.c = 0.0;
t.d = 0.0;
t.e = 0.0;
t.f = 0.0;
t.h = 1.5;
t.i = 2.75;
// Single test values.
t.fa = 1.5e6;
t.fb = 2.75e4;
t.fc = 0.0;
t.fd = 0.0;
t.fe = 0.0;
t.ff = 0.0;
f.Call(&t, 0, 0, 0, 0);
// Expected double results.
CHECK_EQ(1.5e14, t.a);
CHECK_EQ(1.5e14, t.b);
CHECK_EQ(1.50275e14, t.c);
CHECK_EQ(1.50550e14, t.d);
CHECK_EQ(1.8066e16, t.e);
CHECK_EQ(120.44, t.f);
CHECK_EQ(10.97451593465515908537, t.g);
if (IsMipsArchVariant(kMips32r2)) {
CHECK_EQ(6.875, t.h);
}
// Expected single results.
CHECK_EQ(1.5e6, t.fa);
CHECK_EQ(1.5e6, t.fb);
CHECK_EQ(1.5275e06, t.fc);
CHECK_EQ(1.5550e06, t.fd);
CHECK_EQ(1.866e08, t.fe);
CHECK_EQ(124.40000152587890625, t.ff);
CHECK_EQ(11.1534748077392578125, t.fg);
}
TEST(MIPS4) {
// Exchange between GP anf FP registers is done through memory
// on FPXX compiled binaries and architectures that do not support
// MTHC1 and MTFC1. If this is the case, skipping this test.
if (IsFpxxMode() &&
(IsMipsArchVariant(kMips32r1) || IsMipsArchVariant(kLoongson))) {
return;
}
// Test moves between floating point and integer registers.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
struct T {
double a;
double b;
double c;
};
T t;
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
__ Ldc1(f4, MemOperand(a0, offsetof(T, a)));
__ Ldc1(f6, MemOperand(a0, offsetof(T, b)));
// Swap f4 and f6, by using four integer registers, t0-t3.
if (IsFp32Mode()) {
__ mfc1(t0, f4);
__ mfc1(t1, f5);
__ mfc1(t2, f6);
__ mfc1(t3, f7);
__ mtc1(t0, f6);
__ mtc1(t1, f7);
__ mtc1(t2, f4);
__ mtc1(t3, f5);
} else {
CHECK(!IsMipsArchVariant(kMips32r1) && !IsMipsArchVariant(kLoongson));
DCHECK(IsFp64Mode() || IsFpxxMode());
__ mfc1(t0, f4);
__ mfhc1(t1, f4);
__ mfc1(t2, f6);
__ mfhc1(t3, f6);
__ mtc1(t0, f6);
__ mthc1(t1, f6);
__ mtc1(t2, f4);
__ mthc1(t3, f4);
}
// Store the swapped f4 and f5 back to memory.
__ Sdc1(f4, MemOperand(a0, offsetof(T, a)));
__ Sdc1(f6, MemOperand(a0, offsetof(T, c)));
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F3>::FromCode(*code);
t.a = 1.5e22;
t.b = 2.75e11;
t.c = 17.17;
f.Call(&t, 0, 0, 0, 0);
CHECK_EQ(2.75e11, t.a);
CHECK_EQ(2.75e11, t.b);
CHECK_EQ(1.5e22, t.c);
}
TEST(MIPS5) {
// Test conversions between doubles and integers.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
struct T {
double a;
double b;
int i;
int j;
};
T t;
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
// Load all structure elements to registers.
__ Ldc1(f4, MemOperand(a0, offsetof(T, a)));
__ Ldc1(f6, MemOperand(a0, offsetof(T, b)));
__ lw(t0, MemOperand(a0, offsetof(T, i)) );
__ lw(t1, MemOperand(a0, offsetof(T, j)) );
// Convert double in f4 to int in element i.
__ cvt_w_d(f8, f4);
__ mfc1(t2, f8);
__ sw(t2, MemOperand(a0, offsetof(T, i)) );
// Convert double in f6 to int in element j.
__ cvt_w_d(f10, f6);
__ mfc1(t3, f10);
__ sw(t3, MemOperand(a0, offsetof(T, j)) );
// Convert int in original i (t0) to double in a.
__ mtc1(t0, f12);
__ cvt_d_w(f0, f12);
__ Sdc1(f0, MemOperand(a0, offsetof(T, a)));
// Convert int in original j (t1) to double in b.
__ mtc1(t1, f14);
__ cvt_d_w(f2, f14);
__ Sdc1(f2, MemOperand(a0, offsetof(T, b)));
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F3>::FromCode(*code);
t.a = 1.5e4;
t.b = 2.75e8;
t.i = 12345678;
t.j = -100000;
f.Call(&t, 0, 0, 0, 0);
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.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
struct T {
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;
Assembler assm(AssemblerOptions{});
// Basic word load/store.
__ lw(t0, MemOperand(a0, offsetof(T, ui)) );
__ sw(t0, MemOperand(a0, offsetof(T, r1)) );
// lh with positive data.
__ lh(t1, MemOperand(a0, offsetof(T, ui)) );
__ sw(t1, MemOperand(a0, offsetof(T, r2)) );
// lh with negative data.
__ lh(t2, MemOperand(a0, offsetof(T, si)) );
__ sw(t2, MemOperand(a0, offsetof(T, r3)) );
// lhu with negative data.
__ lhu(t3, MemOperand(a0, offsetof(T, si)) );
__ sw(t3, MemOperand(a0, offsetof(T, r4)) );
// lb with negative data.
__ lb(t4, MemOperand(a0, offsetof(T, si)) );
__ sw(t4, MemOperand(a0, offsetof(T, r5)) );
// sh writes only 1/2 of word.
__ lui(t5, 0x3333);
__ ori(t5, t5, 0x3333);
__ sw(t5, MemOperand(a0, offsetof(T, r6)) );
__ lhu(t5, MemOperand(a0, offsetof(T, si)) );
__ sh(t5, MemOperand(a0, offsetof(T, r6)) );
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F3>::FromCode(*code);
t.ui = 0x11223344;
t.si = 0x99AABBCC;
f.Call(&t, 0, 0, 0, 0);
CHECK_EQ(static_cast<int32_t>(0x11223344), t.r1);
#if __BYTE_ORDER == __LITTLE_ENDIAN
CHECK_EQ(static_cast<int32_t>(0x3344), t.r2);
CHECK_EQ(static_cast<int32_t>(0xFFFFBBCC), t.r3);
CHECK_EQ(static_cast<int32_t>(0x0000BBCC), t.r4);
CHECK_EQ(static_cast<int32_t>(0xFFFFFFCC), t.r5);
CHECK_EQ(static_cast<int32_t>(0x3333BBCC), t.r6);
#elif __BYTE_ORDER == __BIG_ENDIAN
CHECK_EQ(static_cast<int32_t>(0x1122), t.r2);
CHECK_EQ(static_cast<int32_t>(0xFFFF99AA), t.r3);
CHECK_EQ(static_cast<int32_t>(0x000099AA), t.r4);
CHECK_EQ(static_cast<int32_t>(0xFFFFFF99), t.r5);
CHECK_EQ(static_cast<int32_t>(0x99AA3333), t.r6);
#else
#error Unknown endianness
#endif
}
TEST(MIPS7) {
// Test floating point compare and branch instructions.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
struct T {
double a;
double b;
double c;
double d;
double e;
double f;
int32_t result;
};
T t;
// Create a function that accepts &t, and loads, manipulates, and stores
// the doubles t.a ... t.f.
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
Label neither_is_nan, less_than, outa_here;
__ Ldc1(f4, MemOperand(a0, offsetof(T, a)));
__ Ldc1(f6, MemOperand(a0, offsetof(T, b)));
if (!IsMipsArchVariant(kMips32r6)) {
__ c(UN, D, f4, f6);
__ bc1f(&neither_is_nan);
} else {
__ cmp(UN, L, f2, f4, f6);
__ bc1eqz(&neither_is_nan, f2);
}
__ nop();
__ sw(zero_reg, MemOperand(a0, offsetof(T, result)) );
__ Branch(&outa_here);
__ bind(&neither_is_nan);
if (IsMipsArchVariant(kLoongson)) {
__ c(OLT, D, f6, f4);
__ bc1t(&less_than);
} else if (IsMipsArchVariant(kMips32r6)) {
__ cmp(OLT, L, f2, f6, f4);
__ bc1nez(&less_than, f2);
} else {
__ c(OLT, D, f6, f4, 2);
__ bc1t(&less_than, 2);
}
__ nop();
__ sw(zero_reg, MemOperand(a0, offsetof(T, result)) );
__ Branch(&outa_here);
__ bind(&less_than);
__ Addu(t0, zero_reg, Operand(1));
__ sw(t0, MemOperand(a0, offsetof(T, result)) ); // Set true.
// This test-case should have additional tests.
__ bind(&outa_here);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F3>::FromCode(*code);
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;
f.Call(&t, 0, 0, 0, 0);
CHECK_EQ(1.5e14, t.a);
CHECK_EQ(2.75e11, t.b);
CHECK_EQ(1, t.result);
}
TEST(MIPS8) {
// Test ROTR and ROTRV instructions.
if (IsMipsArchVariant(kMips32r2)) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
struct T {
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;
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
// Basic word load.
__ lw(t0, MemOperand(a0, offsetof(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, offsetof(T, result_rotr_4)) );
__ sw(t2, MemOperand(a0, offsetof(T, result_rotr_8)) );
__ sw(t3, MemOperand(a0, offsetof(T, result_rotr_12)) );
__ sw(t4, MemOperand(a0, offsetof(T, result_rotr_16)) );
__ sw(t5, MemOperand(a0, offsetof(T, result_rotr_20)) );
__ sw(t6, MemOperand(a0, offsetof(T, result_rotr_24)) );
__ sw(t7, MemOperand(a0, offsetof(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, offsetof(T, result_rotrv_4)) );
__ sw(t2, MemOperand(a0, offsetof(T, result_rotrv_8)) );
__ sw(t3, MemOperand(a0, offsetof(T, result_rotrv_12)) );
__ sw(t4, MemOperand(a0, offsetof(T, result_rotrv_16)) );
__ sw(t5, MemOperand(a0, offsetof(T, result_rotrv_20)) );
__ sw(t6, MemOperand(a0, offsetof(T, result_rotrv_24)) );
__ sw(t7, MemOperand(a0, offsetof(T, result_rotrv_28)) );
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F3>::FromCode(*code);
t.input = 0x12345678;
f.Call(&t, 0x0, 0, 0, 0);
CHECK_EQ(static_cast<int32_t>(0x81234567), t.result_rotr_4);
CHECK_EQ(static_cast<int32_t>(0x78123456), t.result_rotr_8);
CHECK_EQ(static_cast<int32_t>(0x67812345), t.result_rotr_12);
CHECK_EQ(static_cast<int32_t>(0x56781234), t.result_rotr_16);
CHECK_EQ(static_cast<int32_t>(0x45678123), t.result_rotr_20);
CHECK_EQ(static_cast<int32_t>(0x34567812), t.result_rotr_24);
CHECK_EQ(static_cast<int32_t>(0x23456781), t.result_rotr_28);
CHECK_EQ(static_cast<int32_t>(0x81234567), t.result_rotrv_4);
CHECK_EQ(static_cast<int32_t>(0x78123456), t.result_rotrv_8);
CHECK_EQ(static_cast<int32_t>(0x67812345), t.result_rotrv_12);
CHECK_EQ(static_cast<int32_t>(0x56781234), t.result_rotrv_16);
CHECK_EQ(static_cast<int32_t>(0x45678123), t.result_rotrv_20);
CHECK_EQ(static_cast<int32_t>(0x34567812), t.result_rotrv_24);
CHECK_EQ(static_cast<int32_t>(0x23456781), t.result_rotrv_28);
}
}
TEST(MIPS9) {
// Test BRANCH improvements.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
Label exit, exit2, exit3;
__ Branch(&exit, ge, a0, Operand(zero_reg));
__ 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(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
USE(code);
}
TEST(MIPS10) {
// Test conversions between doubles and words.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
struct T {
double a;
double b;
int32_t dbl_mant;
int32_t dbl_exp;
int32_t word;
int32_t b_word;
};
T t;
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
if (IsMipsArchVariant(kMips32r1) || IsMipsArchVariant(kLoongson)) return;
// Load all structure elements to registers.
// (f0, f1) = a (fp32), f0 = a (fp64)
__ Ldc1(f0, MemOperand(a0, offsetof(T, a)));
__ mfc1(t0, f0); // t0 = f0(31..0)
__ mfhc1(t1, f0); // t1 = sign_extend(f0(63..32))
__ sw(t0, MemOperand(a0, offsetof(T, dbl_mant))); // dbl_mant = t0
__ sw(t1, MemOperand(a0, offsetof(T, dbl_exp))); // dbl_exp = t1
// Convert double in f0 to word, save hi/lo parts.
__ cvt_w_d(f0, f0); // a_word = (word)a
__ mfc1(t0, f0); // f0 has a 32-bits word. t0 = a_word
__ sw(t0, MemOperand(a0, offsetof(T, word))); // word = a_word
// Convert the b word to double b.
__ lw(t0, MemOperand(a0, offsetof(T, b_word)));
__ mtc1(t0, f8); // f8 has a 32-bits word.
__ cvt_d_w(f10, f8);
__ Sdc1(f10, MemOperand(a0, offsetof(T, b)));
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F3>::FromCode(*code);
t.a = 2.147483646e+09; // 0x7FFFFFFE -> 0xFF80000041DFFFFF as double.
t.b_word = 0x0FF00FF0; // 0x0FF00FF0 -> 0x as double.
f.Call(&t, 0, 0, 0, 0);
CHECK_EQ(static_cast<int32_t>(0x41DFFFFF), t.dbl_exp);
CHECK_EQ(static_cast<int32_t>(0xFF800000), t.dbl_mant);
CHECK_EQ(static_cast<int32_t>(0x7FFFFFFE), t.word);
// 0x0FF00FF0 -> 2.6739096+e08
CHECK_EQ(2.6739096e08, t.b);
}
TEST(MIPS11) {
// Do not run test on MIPS32r6, as these instructions are removed.
if (IsMipsArchVariant(kMips32r6)) return;
// Test LWL, LWR, SWL and SWR instructions.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
struct T {
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;
Assembler assm(AssemblerOptions{});
// Test all combinations of LWL and vAddr.
__ lw(t0, MemOperand(a0, offsetof(T, reg_init)) );
__ lwl(t0, MemOperand(a0, offsetof(T, mem_init)) );
__ sw(t0, MemOperand(a0, offsetof(T, lwl_0)) );
__ lw(t1, MemOperand(a0, offsetof(T, reg_init)) );
__ lwl(t1, MemOperand(a0, offsetof(T, mem_init) + 1) );
__ sw(t1, MemOperand(a0, offsetof(T, lwl_1)) );
__ lw(t2, MemOperand(a0, offsetof(T, reg_init)) );
__ lwl(t2, MemOperand(a0, offsetof(T, mem_init) + 2) );
__ sw(t2, MemOperand(a0, offsetof(T, lwl_2)) );
__ lw(t3, MemOperand(a0, offsetof(T, reg_init)) );
__ lwl(t3, MemOperand(a0, offsetof(T, mem_init) + 3) );
__ sw(t3, MemOperand(a0, offsetof(T, lwl_3)) );
// Test all combinations of LWR and vAddr.
__ lw(t0, MemOperand(a0, offsetof(T, reg_init)) );
__ lwr(t0, MemOperand(a0, offsetof(T, mem_init)) );
__ sw(t0, MemOperand(a0, offsetof(T, lwr_0)) );
__ lw(t1, MemOperand(a0, offsetof(T, reg_init)) );
__ lwr(t1, MemOperand(a0, offsetof(T, mem_init) + 1) );
__ sw(t1, MemOperand(a0, offsetof(T, lwr_1)) );
__ lw(t2, MemOperand(a0, offsetof(T, reg_init)) );
__ lwr(t2, MemOperand(a0, offsetof(T, mem_init) + 2) );
__ sw(t2, MemOperand(a0, offsetof(T, lwr_2)) );
__ lw(t3, MemOperand(a0, offsetof(T, reg_init)) );
__ lwr(t3, MemOperand(a0, offsetof(T, mem_init) + 3) );
__ sw(t3, MemOperand(a0, offsetof(T, lwr_3)) );
// Test all combinations of SWL and vAddr.
__ lw(t0, MemOperand(a0, offsetof(T, mem_init)) );
__ sw(t0, MemOperand(a0, offsetof(T, swl_0)) );
__ lw(t0, MemOperand(a0, offsetof(T, reg_init)) );
__ swl(t0, MemOperand(a0, offsetof(T, swl_0)) );
__ lw(t1, MemOperand(a0, offsetof(T, mem_init)) );
__ sw(t1, MemOperand(a0, offsetof(T, swl_1)) );
__ lw(t1, MemOperand(a0, offsetof(T, reg_init)) );
__ swl(t1, MemOperand(a0, offsetof(T, swl_1) + 1) );
__ lw(t2, MemOperand(a0, offsetof(T, mem_init)) );
__ sw(t2, MemOperand(a0, offsetof(T, swl_2)) );
__ lw(t2, MemOperand(a0, offsetof(T, reg_init)) );
__ swl(t2, MemOperand(a0, offsetof(T, swl_2) + 2) );
__ lw(t3, MemOperand(a0, offsetof(T, mem_init)) );
__ sw(t3, MemOperand(a0, offsetof(T, swl_3)) );
__ lw(t3, MemOperand(a0, offsetof(T, reg_init)) );
__ swl(t3, MemOperand(a0, offsetof(T, swl_3) + 3) );
// Test all combinations of SWR and vAddr.
__ lw(t0, MemOperand(a0, offsetof(T, mem_init)) );
__ sw(t0, MemOperand(a0, offsetof(T, swr_0)) );
__ lw(t0, MemOperand(a0, offsetof(T, reg_init)) );
__ swr(t0, MemOperand(a0, offsetof(T, swr_0)) );
__ lw(t1, MemOperand(a0, offsetof(T, mem_init)) );
__ sw(t1, MemOperand(a0, offsetof(T, swr_1)) );
__ lw(t1, MemOperand(a0, offsetof(T, reg_init)) );
__ swr(t1, MemOperand(a0, offsetof(T, swr_1) + 1) );
__ lw(t2, MemOperand(a0, offsetof(T, mem_init)) );
__ sw(t2, MemOperand(a0, offsetof(T, swr_2)) );
__ lw(t2, MemOperand(a0, offsetof(T, reg_init)) );
__ swr(t2, MemOperand(a0, offsetof(T, swr_2) + 2) );
__ lw(t3, MemOperand(a0, offsetof(T, mem_init)) );
__ sw(t3, MemOperand(a0, offsetof(T, swr_3)) );
__ lw(t3, MemOperand(a0, offsetof(T, reg_init)) );
__ swr(t3, MemOperand(a0, offsetof(T, swr_3) + 3) );
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F3>::FromCode(*code);
t.reg_init = 0xAABBCCDD;
t.mem_init = 0x11223344;
f.Call(&t, 0, 0, 0, 0);
#if __BYTE_ORDER == __LITTLE_ENDIAN
CHECK_EQ(static_cast<int32_t>(0x44BBCCDD), t.lwl_0);
CHECK_EQ(static_cast<int32_t>(0x3344CCDD), t.lwl_1);
CHECK_EQ(static_cast<int32_t>(0x223344DD), t.lwl_2);
CHECK_EQ(static_cast<int32_t>(0x11223344), t.lwl_3);
CHECK_EQ(static_cast<int32_t>(0x11223344), t.lwr_0);
CHECK_EQ(static_cast<int32_t>(0xAA112233), t.lwr_1);
CHECK_EQ(static_cast<int32_t>(0xAABB1122), t.lwr_2);
CHECK_EQ(static_cast<int32_t>(0xAABBCC11), t.lwr_3);
CHECK_EQ(static_cast<int32_t>(0x112233AA), t.swl_0);
CHECK_EQ(static_cast<int32_t>(0x1122AABB), t.swl_1);
CHECK_EQ(static_cast<int32_t>(0x11AABBCC), t.swl_2);
CHECK_EQ(static_cast<int32_t>(0xAABBCCDD), t.swl_3);
CHECK_EQ(static_cast<int32_t>(0xAABBCCDD), t.swr_0);
CHECK_EQ(static_cast<int32_t>(0xBBCCDD44), t.swr_1);
CHECK_EQ(static_cast<int32_t>(0xCCDD3344), t.swr_2);
CHECK_EQ(static_cast<int32_t>(0xDD223344), t.swr_3);
#elif __BYTE_ORDER == __BIG_ENDIAN
CHECK_EQ(static_cast<int32_t>(0x11223344), t.lwl_0);
CHECK_EQ(static_cast<int32_t>(0x223344DD), t.lwl_1);
CHECK_EQ(static_cast<int32_t>(0x3344CCDD), t.lwl_2);
CHECK_EQ(static_cast<int32_t>(0x44BBCCDD), t.lwl_3);
CHECK_EQ(static_cast<int32_t>(0xAABBCC11), t.lwr_0);
CHECK_EQ(static_cast<int32_t>(0xAABB1122), t.lwr_1);
CHECK_EQ(static_cast<int32_t>(0xAA112233), t.lwr_2);
CHECK_EQ(static_cast<int32_t>(0x11223344), t.lwr_3);
CHECK_EQ(static_cast<int32_t>(0xAABBCCDD), t.swl_0);
CHECK_EQ(static_cast<int32_t>(0x11AABBCC), t.swl_1);
CHECK_EQ(static_cast<int32_t>(0x1122AABB), t.swl_2);
CHECK_EQ(static_cast<int32_t>(0x112233AA), t.swl_3);
CHECK_EQ(static_cast<int32_t>(0xDD223344), t.swr_0);
CHECK_EQ(static_cast<int32_t>(0xCCDD3344), t.swr_1);
CHECK_EQ(static_cast<int32_t>(0xBBCCDD44), t.swr_2);
CHECK_EQ(static_cast<int32_t>(0xAABBCCDD), t.swr_3);
#else
#error Unknown endianness
#endif
}
TEST(MIPS12) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
struct T {
int32_t x;
int32_t y;
int32_t y1;
int32_t y2;
int32_t y3;
int32_t y4;
};
T t;
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
__ mov(t6, fp); // Save frame pointer.
__ mov(fp, a0); // Access struct T by fp.
__ lw(t0, MemOperand(a0, offsetof(T, y)) );
__ lw(t3, MemOperand(a0, offsetof(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, offsetof(T, y)) );
__ lw(t0, MemOperand(fp, offsetof(T, y)) );
__ nop();
__ sw(t0, MemOperand(fp, offsetof(T, y)) );
__ lw(t1, MemOperand(fp, offsetof(T, y)) );
__ nop();
__ push(t1);
__ lw(t1, MemOperand(fp, offsetof(T, y)) );
__ pop(t1);
__ nop();
__ push(t1);
__ lw(t2, MemOperand(fp, offsetof(T, y)) );
__ pop(t1);
__ nop();
__ push(t1);
__ lw(t2, MemOperand(fp, offsetof(T, y)) );
__ pop(t2);
__ nop();
__ push(t2);
__ lw(t2, MemOperand(fp, offsetof(T, y)) );
__ pop(t1);
__ nop();
__ push(t1);
__ lw(t2, MemOperand(fp, offsetof(T, y)) );
__ pop(t3);
__ nop();
__ mov(fp, t6);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F3>::FromCode(*code);
t.x = 1;
t.y = 2;
t.y1 = 3;
t.y2 = 4;
t.y3 = 0XBABA;
t.y4 = 0xDEDA;
f.Call(&t, 0, 0, 0, 0);
CHECK_EQ(3, t.y1);
}
TEST(MIPS13) {
// Test Cvt_d_uw and Trunc_uw_d macros.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
struct T {
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;
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
__ sw(t0, MemOperand(a0, offsetof(T, cvt_small_in)));
__ Cvt_d_uw(f10, t0, f4);
__ Sdc1(f10, MemOperand(a0, offsetof(T, cvt_small_out)));
__ Trunc_uw_d(f10, f10, f4);
__ swc1(f10, MemOperand(a0, offsetof(T, trunc_small_out)));
__ sw(t0, MemOperand(a0, offsetof(T, cvt_big_in)));
__ Cvt_d_uw(f8, t0, f4);
__ Sdc1(f8, MemOperand(a0, offsetof(T, cvt_big_out)));
__ Trunc_uw_d(f8, f8, f4);
__ swc1(f8, MemOperand(a0, offsetof(T, trunc_big_out)));
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F3>::FromCode(*code);
t.cvt_big_in = 0xFFFFFFFF;
t.cvt_small_in = 333;
f.Call(&t, 0, 0, 0, 0);
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.
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
#define ROUND_STRUCT_ELEMENT(x) \
uint32_t x##_isNaN2008; \
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;
struct T {
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;
#undef ROUND_STRUCT_ELEMENT
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
// Save FCSR.
__ cfc1(a1, FCSR);
// Disable FPU exceptions.
__ ctc1(zero_reg, FCSR);
#define RUN_ROUND_TEST(x) \
__ cfc1(t0, FCSR); \
__ sw(t0, MemOperand(a0, offsetof(T, x##_isNaN2008))); \
__ Ldc1(f0, MemOperand(a0, offsetof(T, round_up_in))); \
__ x##_w_d(f0, f0); \
__ swc1(f0, MemOperand(a0, offsetof(T, x##_up_out))); \
\
__ Ldc1(f0, MemOperand(a0, offsetof(T, round_down_in))); \
__ x##_w_d(f0, f0); \
__ swc1(f0, MemOperand(a0, offsetof(T, x##_down_out))); \
\
__ Ldc1(f0, MemOperand(a0, offsetof(T, neg_round_up_in))); \
__ x##_w_d(f0, f0); \
__ swc1(f0, MemOperand(a0, offsetof(T, neg_##x##_up_out))); \
\
__ Ldc1(f0, MemOperand(a0, offsetof(T, neg_round_down_in))); \
__ x##_w_d(f0, f0); \
__ swc1(f0, MemOperand(a0, offsetof(T, neg_##x##_down_out))); \
\
__ Ldc1(f0, MemOperand(a0, offsetof(T, err1_in))); \
__ ctc1(zero_reg, FCSR); \
__ x##_w_d(f0, f0); \
__ cfc1(a2, FCSR); \
__ sw(a2, MemOperand(a0, offsetof(T, x##_err1_out))); \
\
__ Ldc1(f0, MemOperand(a0, offsetof(T, err2_in))); \
__ ctc1(zero_reg, FCSR); \
__ x##_w_d(f0, f0); \
__ cfc1(a2, FCSR); \
__ sw(a2, MemOperand(a0, offsetof(T, x##_err2_out))); \
\
__ Ldc1(f0, MemOperand(a0, offsetof(T, err3_in))); \
__ ctc1(zero_reg, FCSR); \
__ x##_w_d(f0, f0); \
__ cfc1(a2, FCSR); \
__ sw(a2, MemOperand(a0, offsetof(T, x##_err3_out))); \
\
__ Ldc1(f0, MemOperand(a0, offsetof(T, err4_in))); \
__ ctc1(zero_reg, FCSR); \
__ x##_w_d(f0, f0); \
__ cfc1(a2, FCSR); \
__ sw(a2, MemOperand(a0, offsetof(T, x##_err4_out))); \
__ swc1(f0, MemOperand(a0, offsetof(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(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F3>::FromCode(*code);
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;
f.Call(&t, 0, 0, 0, 0);
#define GET_FPU_ERR(x) (static_cast<int>(x & kFCSRFlagMask))
#define CHECK_NAN2008(x) (x & kFCSRNaN2008FlagMask)
#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); \
if (CHECK_NAN2008(t.type##_isNaN2008) && kArchVariant == kMips32r6) {\
CHECK_EQ(static_cast<int32_t>(0), t.type##_invalid_result);\
} else {\
CHECK_EQ(static_cast<int32_t>(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).
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
Assembler assm(AssemblerOptions{});
Label target;
__ beq(v0, v1, &target);
__ nop();
__ bne(v0, v1, &target);
__ nop();
__ bind(&target);
__ nop();
}
// ----------------------mips32r6 specific tests----------------------
TEST(seleqz_selnez) {
if (IsMipsArchVariant(kMips32r6)) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
struct Test {
int a;
int b;
int c;
int d;
double e;
double f;
double g;
double h;
float i;
float j;
float k;
float l;
};
Test test;
// Integer part of test.
__ addiu(t1, zero_reg, 1); // t1 = 1
__ seleqz(t3, t1, zero_reg); // t3 = 1
__ sw(t3, MemOperand(a0, offsetof(Test, a))); // a = 1
__ seleqz(t2, t1, t1); // t2 = 0
__ sw(t2, MemOperand(a0, offsetof(Test, b))); // b = 0
__ selnez(t3, t1, zero_reg); // t3 = 1;
__ sw(t3, MemOperand(a0, offsetof(Test, c))); // c = 0
__ selnez(t3, t1, t1); // t3 = 1
__ sw(t3, MemOperand(a0, offsetof(Test, d))); // d = 1
// Floating point part of test.
__ Ldc1(f0, MemOperand(a0, offsetof(Test, e))); // src
__ Ldc1(f2, MemOperand(a0, offsetof(Test, f))); // test
__ lwc1(f8, MemOperand(a0, offsetof(Test, i)) ); // src
__ lwc1(f10, MemOperand(a0, offsetof(Test, j)) ); // test
__ seleqz_d(f4, f0, f2);
__ selnez_d(f6, f0, f2);
__ seleqz_s(f12, f8, f10);
__ selnez_s(f14, f8, f10);
__ Sdc1(f4, MemOperand(a0, offsetof(Test, g))); // src
__ Sdc1(f6, MemOperand(a0, offsetof(Test, h))); // src
__ swc1(f12, MemOperand(a0, offsetof(Test, k)) ); // src
__ swc1(f14, MemOperand(a0, offsetof(Test, l)) ); // src
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F3>::FromCode(*code);
(f.Call(&test, 0, 0, 0, 0));
CHECK_EQ(1, test.a);
CHECK_EQ(0, test.b);
CHECK_EQ(0, test.c);
CHECK_EQ(1, test.d);
const int test_size = 3;
const int input_size = 5;
double inputs_D[input_size] = {0.0, 65.2, -70.32,
18446744073709551621.0, -18446744073709551621.0};
double outputs_D[input_size] = {0.0, 65.2, -70.32,
18446744073709551621.0, -18446744073709551621.0};
double tests_D[test_size*2] = {2.8, 2.9, -2.8, -2.9,
18446744073709551616.0, 18446744073709555712.0};
float inputs_S[input_size] = {0.0, 65.2, -70.32,
18446744073709551621.0, -18446744073709551621.0};
float outputs_S[input_size] = {0.0, 65.2, -70.32,
18446744073709551621.0, -18446744073709551621.0};
float tests_S[test_size*2] = {2.9, 2.8, -2.9, -2.8,
18446744073709551616.0, 18446746272732807168.0};
for (int j=0; j < test_size; j+=2) {
for (int i=0; i < input_size; i++) {
test.e = inputs_D[i];
test.f = tests_D[j];
test.i = inputs_S[i];
test.j = tests_S[j];
(f.Call(&test, 0, 0, 0, 0));
CHECK_EQ(outputs_D[i], test.g);
CHECK_EQ(0, test.h);
CHECK_EQ(outputs_S[i], test.k);
CHECK_EQ(0, test.l);
test.f = tests_D[j+1];
test.j = tests_S[j+1];
(f.Call(&test, 0, 0, 0, 0));
CHECK_EQ(0, test.g);
CHECK_EQ(outputs_D[i], test.h);
CHECK_EQ(0, test.k);
CHECK_EQ(outputs_S[i], test.l);
}
}
}
}
TEST(min_max) {
if (IsMipsArchVariant(kMips32r6)) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
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, dnan, 3.0, -0.0, 0.0, dinf,
dnan, 42.0, dinf, dminf, dinf, dnan};
double inputsb[kTableLength] = {3.0, 2.0, 3.0, dnan, 0.0, -0.0, dnan,
dinf, dinf, 42.0, dinf, dminf, dnan};
double outputsdmin[kTableLength] = {2.0, 2.0, 3.0, 3.0, -0.0,
-0.0, dinf, dinf, 42.0, 42.0,
dminf, dminf, dnan};
double outputsdmax[kTableLength] = {3.0, 3.0, 3.0, 3.0, 0.0, 0.0, dinf,
dinf, dinf, dinf, dinf, dinf, dnan};
float inputse[kTableLength] = {2.0, 3.0, fnan, 3.0, -0.0, 0.0, finf,
fnan, 42.0, finf, fminf, finf, fnan};
float inputsf[kTableLength] = {3.0, 2.0, 3.0, fnan, 0.0, -0.0, fnan,
finf, finf, 42.0, finf, fminf, fnan};
float outputsfmin[kTableLength] = {2.0, 2.0, 3.0, 3.0, -0.0,
-0.0, finf, finf, 42.0, 42.0,
fminf, fminf, fnan};
float outputsfmax[kTableLength] = {3.0, 3.0, 3.0, 3.0, 0.0, 0.0, finf,
finf, finf, finf, finf, finf, fnan};
__ 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)));
__ min_d(f10, f4, f8);
__ max_d(f12, f4, f8);
__ min_s(f14, f2, f6);
__ max_s(f16, f2, f6);
__ 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)));
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).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)));
}
}
}
TEST(rint_d) {
if (IsMipsArchVariant(kMips32r6)) {
const int kTableLength = 30;
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
struct TestFloat {
double a;
double b;
int fcsr;
};
TestFloat test;
double inputs[kTableLength] = {18446744073709551617.0,
4503599627370496.0, -4503599627370496.0,
1.26782468584154733584017312973E30, 1.44860108245951772690707170478E147,
1.7976931348623157E+308, 6.27463370218383111104242366943E-307,
309485009821345068724781056.89,
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
37778931862957161709568.0, 37778931862957161709569.0,
37778931862957161709580.0, 37778931862957161709581.0,
37778931862957161709582.0, 37778931862957161709583.0,
37778931862957161709584.0, 37778931862957161709585.0,
37778931862957161709586.0, 37778931862957161709587.0};
double outputs_RN[kTableLength] = {18446744073709551617.0,
4503599627370496.0, -4503599627370496.0,
1.26782468584154733584017312973E30, 1.44860108245951772690707170478E147,
1.7976931348623157E308, 0,
309485009821345068724781057.0,
2.0, 3.0, 2.0, 3.0, 4.0, 4.0,
-2.0, -3.0, -2.0, -3.0, -4.0, -4.0,
37778931862957161709568.0, 37778931862957161709569.0,
37778931862957161709580.0, 37778931862957161709581.0,
37778931862957161709582.0, 37778931862957161709583.0,
37778931862957161709584.0, 37778931862957161709585.0,
37778931862957161709586.0, 37778931862957161709587.0};
double outputs_RZ[kTableLength] = {18446744073709551617.0,
4503599627370496.0, -4503599627370496.0,
1.26782468584154733584017312973E30, 1.44860108245951772690707170478E147,
1.7976931348623157E308, 0,
309485009821345068724781057.0,
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
37778931862957161709568.0, 37778931862957161709569.0,
37778931862957161709580.0, 37778931862957161709581.0,
37778931862957161709582.0, 37778931862957161709583.0,
37778931862957161709584.0, 37778931862957161709585.0,
37778931862957161709586.0, 37778931862957161709587.0};
double outputs_RP[kTableLength] = {18446744073709551617.0,
4503599627370496.0, -4503599627370496.0,
1.26782468584154733584017312973E30, 1.44860108245951772690707170478E147,
1.7976931348623157E308, 1,
309485009821345068724781057.0,
3.0, 3.0, 3.0, 4.0, 4.0, 4.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
37778931862957161709568.0, 37778931862957161709569.0,
37778931862957161709580.0, 37778931862957161709581.0,
37778931862957161709582.0, 37778931862957161709583.0,
37778931862957161709584.0, 37778931862957161709585.0,
37778931862957161709586.0, 37778931862957161709587.0};
double outputs_RM[kTableLength] = {18446744073709551617.0,
4503599627370496.0, -4503599627370496.0,
1.26782468584154733584017312973E30, 1.44860108245951772690707170478E147,
1.7976931348623157E308, 0,
309485009821345068724781057.0,
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-3.0, -3.0, -3.0, -4.0, -4.0, -4.0,
37778931862957161709568.0, 37778931862957161709569.0,
37778931862957161709580.0, 37778931862957161709581.0,
37778931862957161709582.0, 37778931862957161709583.0,
37778931862957161709584.0, 37778931862957161709585.0,
37778931862957161709586.0, 37778931862957161709587.0};
int fcsr_inputs[4] =
{kRoundToNearest, kRoundToZero, kRoundToPlusInf, kRoundToMinusInf};
double* outputs[4] = {outputs_RN, outputs_RZ, outputs_RP, outputs_RM};
__ Ldc1(f4, MemOperand(a0, offsetof(TestFloat, a)));
__ lw(t0, MemOperand(a0, offsetof(TestFloat, fcsr)) );
__ cfc1(t1, FCSR);
__ ctc1(t0, FCSR);
__ rint_d(f8, f4);
__ Sdc1(f8, MemOperand(a0, offsetof(TestFloat, b)));
__ ctc1(t1, FCSR);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F3>::FromCode(*code);
for (int j = 0; j < 4; j++) {
test.fcsr = fcsr_inputs[j];
for (int i = 0; i < kTableLength; i++) {
test.a = inputs[i];
(f.Call(&test, 0, 0, 0, 0));
CHECK_EQ(test.b, outputs[j][i]);
}
}
}
}
TEST(sel) {
if (IsMipsArchVariant(kMips32r6)) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
struct Test {
double dd;
double ds;
double dt;
float fd;
float fs;
float ft;
};
Test test;
__ Ldc1(f0, MemOperand(a0, offsetof(Test, dd))); // test
__ Ldc1(f2, MemOperand(a0, offsetof(Test, ds))); // src1
__ Ldc1(f4, MemOperand(a0, offsetof(Test, dt))); // src2
__ lwc1(f6, MemOperand(a0, offsetof(Test, fd)) ); // test
__ lwc1(f8, MemOperand(a0, offsetof(Test, fs)) ); // src1
__ lwc1(f10, MemOperand(a0, offsetof(Test, ft)) ); // src2
__ sel_d(f0, f2, f4);
__ sel_s(f6, f8, f10);
__ Sdc1(f0, MemOperand(a0, offsetof(Test, dd)));
__ swc1(f6, MemOperand(a0, offsetof(Test, fd)) );
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F3>::FromCode(*code);
const int test_size = 3;
const int input_size = 5;
double inputs_dt[input_size] = {0.0, 65.2, -70.32,
18446744073709551621.0, -18446744073709551621.0};
double inputs_ds[input_size] = {0.1, 69.88, -91.325,
18446744073709551625.0, -18446744073709551625.0};
float inputs_ft[input_size] = {0.0, 65.2, -70.32,
18446744073709551621.0, -18446744073709551621.0};
float inputs_fs[input_size] = {0.1, 69.88, -91.325,
18446744073709551625.0, -18446744073709551625.0};
double tests_D[test_size*2] = {2.8, 2.9, -2.8, -2.9,
18446744073709551616.0, 18446744073709555712.0};
float tests_S[test_size*2] = {2.9, 2.8, -2.9, -2.8,
18446744073709551616.0, 18446746272732807168.0};
for (int j=0; j < test_size; j+=2) {
for (int i=0; i < input_size; i++) {
test.dt = inputs_dt[i];
test.dd = tests_D[j];
test.ds = inputs_ds[i];
test.ft = inputs_ft[i];
test.fd = tests_S[j];
test.fs = inputs_fs[i];
(f.Call(&test, 0, 0, 0, 0));
CHECK_EQ(test.dd, inputs_ds[i]);
CHECK_EQ(test.fd, inputs_fs[i]);
test.dd = tests_D[j+1];
test.fd = tests_S[j+1];
(f.Call(&test, 0, 0, 0, 0));
CHECK_EQ(test.dd, inputs_dt[i]);
CHECK_EQ(test.fd, inputs_ft[i]);
}
}
}
}
TEST(rint_s) {
if (IsMipsArchVariant(kMips32r6)) {
const int kTableLength = 30;
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
struct TestFloat {
float a;
float b;
int fcsr;
};
TestFloat test;
float inputs[kTableLength] = {18446744073709551617.0,
4503599627370496.0, -4503599627370496.0,
1.26782468584154733584017312973E30, 1.44860108245951772690707170478E37,
1.7976931348623157E+38, 6.27463370218383111104242366943E-37,
309485009821345068724781056.89,
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
37778931862957161709568.0, 37778931862957161709569.0,
37778931862957161709580.0, 37778931862957161709581.0,
37778931862957161709582.0, 37778931862957161709583.0,
37778931862957161709584.0, 37778931862957161709585.0,
37778931862957161709586.0, 37778931862957161709587.0};
float outputs_RN[kTableLength] = {18446744073709551617.0,
4503599627370496.0, -4503599627370496.0,
1.26782468584154733584017312973E30, 1.44860108245951772690707170478E37,
1.7976931348623157E38, 0,
309485009821345068724781057.0,
2.0, 3.0, 2.0, 3.0, 4.0, 4.0,
-2.0, -3.0, -2.0, -3.0, -4.0, -4.0,
37778931862957161709568.0, 37778931862957161709569.0,
37778931862957161709580.0, 37778931862957161709581.0,
37778931862957161709582.0, 37778931862957161709583.0,
37778931862957161709584.0, 37778931862957161709585.0,
37778931862957161709586.0, 37778931862957161709587.0};
float outputs_RZ[kTableLength] = {18446744073709551617.0,
4503599627370496.0, -4503599627370496.0,
1.26782468584154733584017312973E30, 1.44860108245951772690707170478E37,
1.7976931348623157E38, 0,
309485009821345068724781057.0,
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
37778931862957161709568.0, 37778931862957161709569.0,
37778931862957161709580.0, 37778931862957161709581.0,
37778931862957161709582.0, 37778931862957161709583.0,
37778931862957161709584.0, 37778931862957161709585.0,
37778931862957161709586.0, 37778931862957161709587.0};
float outputs_RP[kTableLength] = {18446744073709551617.0,
4503599627370496.0, -4503599627370496.0,
1.26782468584154733584017312973E30, 1.44860108245951772690707170478E37,
1.7976931348623157E38, 1,
309485009821345068724781057.0,
3.0, 3.0, 3.0, 4.0, 4.0, 4.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
37778931862957161709568.0, 37778931862957161709569.0,
37778931862957161709580.0, 37778931862957161709581.0,
37778931862957161709582.0, 37778931862957161709583.0,
37778931862957161709584.0, 37778931862957161709585.0,
37778931862957161709586.0, 37778931862957161709587.0};
float outputs_RM[kTableLength] = {18446744073709551617.0,
4503599627370496.0, -4503599627370496.0,
1.26782468584154733584017312973E30, 1.44860108245951772690707170478E37,
1.7976931348623157E38, 0,
309485009821345068724781057.0,
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-3.0, -3.0, -3.0, -4.0, -4.0, -4.0,
37778931862957161709568.0, 37778931862957161709569.0,
37778931862957161709580.0, 37778931862957161709581.0,
37778931862957161709582.0, 37778931862957161709583.0,
37778931862957161709584.0, 37778931862957161709585.0,
37778931862957161709586.0, 37778931862957161709587.0};
int fcsr_inputs[4] =
{kRoundToNearest, kRoundToZero, kRoundToPlusInf, kRoundToMinusInf};
float* outputs[4] = {outputs_RN, outputs_RZ, outputs_RP, outputs_RM};
__ lwc1(f4, MemOperand(a0, offsetof(TestFloat, a)) );
__ lw(t0, MemOperand(a0, offsetof(TestFloat, fcsr)) );
__ cfc1(t1, FCSR);
__ ctc1(t0, FCSR);
__ rint_s(f8, f4);
__ swc1(f8, MemOperand(a0, offsetof(TestFloat, b)) );
__ ctc1(t1, FCSR);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F3>::FromCode(*code);
for (int j = 0; j < 4; j++) {
test.fcsr = fcsr_inputs[j];
for (int i = 0; i < kTableLength; i++) {
test.a = inputs[i];
(f.Call(&test, 0, 0, 0, 0));
CHECK_EQ(test.b, outputs[j][i]);
}
}
}
}
TEST(Cvt_d_uw) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
struct TestStruct {
unsigned input;
uint64_t output;
};
unsigned inputs[] = {0x0, 0xFFFFFFFF, 0x80000000, 0x7FFFFFFF};
uint64_t outputs[] = {0x0, 0x41EFFFFFFFE00000, 0x41E0000000000000,
0x41DFFFFFFFC00000};
int kTableLength = sizeof(inputs)/sizeof(inputs[0]);
TestStruct test;
__ lw(t1, MemOperand(a0, offsetof(TestStruct, input)));
__ Cvt_d_uw(f4, t1, f6);
__ Sdc1(f4, MemOperand(a0, offsetof(TestStruct, output)));
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F3>::FromCode(*code);
for (int i = 0; i < kTableLength; i++) {
test.input = inputs[i];
(f.Call(&test, 0, 0, 0, 0));
// Check outputs
CHECK_EQ(test.output, outputs[i]);
}
}
TEST(mina_maxa) {
if (IsMipsArchVariant(kMips32r6)) {
const int kTableLength = 23;
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
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();
struct TestFloat {
double a;
double b;
double resd;
double resd1;
float c;
float d;
float resf;
float resf1;
};
TestFloat test;
double inputsa[kTableLength] = {
5.3, 4.8, 6.1, 9.8, 9.8, 9.8, -10.0, -8.9, -9.8, -10.0, -8.9, -9.8,
dnan, 3.0, -0.0, 0.0, dinf, dnan, 42.0, dinf, dminf, dinf, dnan};
double inputsb[kTableLength] = {
4.8, 5.3, 6.1, -10.0, -8.9, -9.8, 9.8, 9.8, 9.8, -9.8, -11.2, -9.8,
3.0, dnan, 0.0, -0.0, dnan, dinf, dinf, 42.0, dinf, dminf, dnan};
double resd[kTableLength] = {
4.8, 4.8, 6.1, 9.8, -8.9, -9.8, 9.8, -8.9, -9.8, -9.8, -8.9, -9.8,
3.0, 3.0, -0.0, -0.0, dinf, dinf, 42.0, 42.0, dminf, dminf, dnan};
double resd1[kTableLength] = {
5.3, 5.3, 6.1, -10.0, 9.8, 9.8, -10.0, 9.8, 9.8, -10.0, -11.2, -9.8,
3.0, 3.0, 0.0, 0.0, dinf, dinf, dinf, dinf, dinf, dinf, dnan};
float inputsc[kTableLength] = {
5.3, 4.8, 6.1, 9.8, 9.8, 9.8, -10.0, -8.9, -9.8, -10.0, -8.9, -9.8,
fnan, 3.0, -0.0, 0.0, finf, fnan, 42.0, finf, fminf, finf, fnan};
float inputsd[kTableLength] = {4.8, 5.3, 6.1, -10.0, -8.9, -9.8,
9.8, 9.8, 9.8, -9.8, -11.2, -9.8,
3.0, fnan, -0.0, 0.0, fnan, finf,
finf, 42.0, finf, fminf, fnan};
float resf[kTableLength] = {
4.8, 4.8, 6.1, 9.8, -8.9, -9.8, 9.8, -8.9, -9.8, -9.8, -8.9, -9.8,
3.0, 3.0, -0.0, -0.0, finf, finf, 42.0, 42.0, fminf, fminf, fnan};
float resf1[kTableLength] = {
5.3, 5.3, 6.1, -10.0, 9.8, 9.8, -10.0, 9.8, 9.8, -10.0, -11.2, -9.8,
3.0, 3.0, 0.0, 0.0, finf, finf, finf, finf, finf, finf, fnan};
__ Ldc1(f2, MemOperand(a0, offsetof(TestFloat, a)));
__ Ldc1(f4, MemOperand(a0, offsetof(TestFloat, b)));
__ lwc1(f8, MemOperand(a0, offsetof(TestFloat, c)) );
__ lwc1(f10, MemOperand(a0, offsetof(TestFloat, d)) );
__ mina_d(f6, f2, f4);
__ mina_s(f12, f8, f10);
__ maxa_d(f14, f2, f4);
__ maxa_s(f16, f8, f10);
__ swc1(f12, MemOperand(a0, offsetof(TestFloat, resf)) );
__ Sdc1(f6, MemOperand(a0, offsetof(TestFloat, resd)));
__ swc1(f16, MemOperand(a0, offsetof(TestFloat, resf1)) );
__ Sdc1(f14, MemOperand(a0, offsetof(TestFloat, resd1)));
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F3>::FromCode(*code);
for (int i = 0; i < kTableLength; i++) {
test.a = inputsa[i];
test.b = inputsb[i];
test.c = inputsc[i];
test.d = inputsd[i];
(f.Call(&test, 0, 0, 0, 0));
if (i < kTableLength - 1) {
CHECK_EQ(test.resd, resd[i]);
CHECK_EQ(test.resf, resf[i]);
CHECK_EQ(test.resd1, resd1[i]);
CHECK_EQ(test.resf1, resf1[i]);
} else {
CHECK(std::isnan(test.resd));
CHECK(std::isnan(test.resf));
CHECK(std::isnan(test.resd1));
CHECK(std::isnan(test.resf1));
}
}
}
}
// ----------------------mips32r2 specific tests----------------------
TEST(trunc_l) {
if (IsMipsArchVariant(kMips32r2) && IsFp64Mode()) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
const double dFPU64InvalidResult = static_cast<double>(kFPU64InvalidResult);
struct Test {
uint32_t isNaN2008;
double a;
float b;
int64_t c; // a trunc result
int64_t d; // b trunc result
};
const int kTableLength = 15;
double inputs_D[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483648.0,
std::numeric_limits<double>::quiet_NaN(),
std::numeric_limits<double>::infinity()
};
float inputs_S[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483648.0,
std::numeric_limits<float>::quiet_NaN(),
std::numeric_limits<float>::infinity()
};
double outputs[kTableLength] = {
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
2147483648.0, dFPU64InvalidResult,
dFPU64InvalidResult};
double outputsNaN2008[kTableLength] = {
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
2147483648.0,
0,
dFPU64InvalidResult};
__ cfc1(t1, FCSR);
__ sw(t1, MemOperand(a0, offsetof(Test, isNaN2008)));
__ Ldc1(f4, MemOperand(a0, offsetof(Test, a)));
__ lwc1(f6, MemOperand(a0, offsetof(Test, b)) );
__ trunc_l_d(f8, f4);
__ trunc_l_s(f10, f6);
__ Sdc1(f8, MemOperand(a0, offsetof(Test, c)));
__ Sdc1(f10, MemOperand(a0, offsetof(Test, d)));
__ jr(ra);
__ nop();
Test test;
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F3>::FromCode(*code);
for (int i = 0; i < kTableLength; i++) {
test.a = inputs_D[i];
test.b = inputs_S[i];
(f.Call(&test, 0, 0, 0, 0));
if ((test.isNaN2008 & kFCSRNaN2008FlagMask) &&
kArchVariant == kMips32r6) {
CHECK_EQ(test.c, outputsNaN2008[i]);
} else {
CHECK_EQ(test.c, outputs[i]);
}
CHECK_EQ(test.d, test.c);
}
}
}
TEST(movz_movn) {
if (IsMipsArchVariant(kMips32r2)) {
const int kTableLength = 4;
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
struct TestFloat {
int32_t rt;
double a;
double b;
double bold;
double b1;
double bold1;
float c;
float d;
float dold;
float d1;
float dold1;
};
TestFloat test;
double inputs_D[kTableLength] = {
5.3, -5.3, 5.3, -2.9
};
double inputs_S[kTableLength] = {
4.8, 4.8, -4.8, -0.29
};
float outputs_S[kTableLength] = {
4.8, 4.8, -4.8, -0.29
};
double outputs_D[kTableLength] = {
5.3, -5.3, 5.3, -2.9
};
__ Ldc1(f2, MemOperand(a0, offsetof(TestFloat, a)));
__ lwc1(f6, MemOperand(a0, offsetof(TestFloat, c)) );
__ lw(t0, MemOperand(a0, offsetof(TestFloat, rt)) );
__ Move(f12, 0.0);
__ Move(f10, 0.0);
__ Move(f16, 0.0);
__ Move(f14, 0.0);
__ Sdc1(f12, MemOperand(a0, offsetof(TestFloat, bold)));
__ swc1(f10, MemOperand(a0, offsetof(TestFloat, dold)) );
__ Sdc1(f16, MemOperand(a0, offsetof(TestFloat, bold1)));
__ swc1(f14, MemOperand(a0, offsetof(TestFloat, dold1)) );
__ movz_s(f10, f6, t0);
__ movz_d(f12, f2, t0);
__ movn_s(f14, f6, t0);
__ movn_d(f16, f2, t0);
__ swc1(f10, MemOperand(a0, offsetof(TestFloat, d)) );
__ Sdc1(f12, MemOperand(a0, offsetof(TestFloat, b)));
__ swc1(f14, MemOperand(a0, offsetof(TestFloat, d1)) );
__ Sdc1(f16, MemOperand(a0, offsetof(TestFloat, b1)));
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F3>::FromCode(*code);
for (int i = 0; i < kTableLength; i++) {
test.a = inputs_D[i];
test.c = inputs_S[i];
test.rt = 1;
(f.Call(&test, 0, 0, 0, 0));
CHECK_EQ(test.b, test.bold);
CHECK_EQ(test.d, test.dold);
CHECK_EQ(test.b1, outputs_D[i]);
CHECK_EQ(test.d1, outputs_S[i]);
test.rt = 0;
(f.Call(&test, 0, 0, 0, 0));
CHECK_EQ(test.b, outputs_D[i]);
CHECK_EQ(test.d, outputs_S[i]);
CHECK_EQ(test.b1, test.bold1);
CHECK_EQ(test.d1, test.dold1);
}
}
}
TEST(movt_movd) {
if (IsMipsArchVariant(kMips32r2)) {
const int kTableLength = 4;
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
struct TestFloat {
double srcd;
double dstd;
double dstdold;
double dstd1;
double dstdold1;
float srcf;
float dstf;
float dstfold;
float dstf1;
float dstfold1;
int32_t cc;
int32_t fcsr;
};
TestFloat test;
double inputs_D[kTableLength] = {
5.3, -5.3, 20.8, -2.9
};
double inputs_S[kTableLength] = {
4.88, 4.8, -4.8, -0.29
};
float outputs_S[kTableLength] = {
4.88, 4.8, -4.8, -0.29
};
double outputs_D[kTableLength] = {
5.3, -5.3, 20.8, -2.9
};
int condition_flags[8] = {0, 1, 2, 3, 4, 5, 6, 7};
for (int i = 0; i < kTableLength; i++) {
test.srcd = inputs_D[i];
test.srcf = inputs_S[i];
for (int j = 0; j< 8; j++) {
test.cc = condition_flags[j];
if (test.cc == 0) {
test.fcsr = 1 << 23;
} else {
test.fcsr = 1 << (24+condition_flags[j]);
}
HandleScope scope(isolate);
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
__ Ldc1(f2, MemOperand(a0, offsetof(TestFloat, srcd)));
__ lwc1(f4, MemOperand(a0, offsetof(TestFloat, srcf)) );
__ lw(t1, MemOperand(a0, offsetof(TestFloat, fcsr)) );
__ cfc1(t0, FCSR);
__ ctc1(t1, FCSR);
__ li(t2, 0x0);
__ mtc1(t2, f12);
__ mtc1(t2, f10);
__ Sdc1(f10, MemOperand(a0, offsetof(TestFloat, dstdold)));
__ swc1(f12, MemOperand(a0, offsetof(TestFloat, dstfold)) );
__ movt_s(f12, f4, test.cc);
__ movt_d(f10, f2, test.cc);
__ swc1(f12, MemOperand(a0, offsetof(TestFloat, dstf)) );
__ Sdc1(f10, MemOperand(a0, offsetof(TestFloat, dstd)));
__ Sdc1(f10, MemOperand(a0, offsetof(TestFloat, dstdold1)));
__ swc1(f12, MemOperand(a0, offsetof(TestFloat, dstfold1)) );
__ movf_s(f12, f4, test.cc);
__ movf_d(f10, f2, test.cc);
__ swc1(f12, MemOperand(a0, offsetof(TestFloat, dstf1)) );
__ Sdc1(f10, MemOperand(a0, offsetof(TestFloat, dstd1)));
__ ctc1(t0, FCSR);
__ jr(ra);
__ nop();
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F3>::FromCode(*code);
(f.Call(&test, 0, 0, 0, 0));
CHECK_EQ(test.dstf, outputs_S[i]);
CHECK_EQ(test.dstd, outputs_D[i]);
CHECK_EQ(test.dstf1, test.dstfold1);
CHECK_EQ(test.dstd1, test.dstdold1);
test.fcsr = 0;
(f.Call(&test, 0, 0, 0, 0));
CHECK_EQ(test.dstf, test.dstfold);
CHECK_EQ(test.dstd, test.dstdold);
CHECK_EQ(test.dstf1, outputs_S[i]);
CHECK_EQ(test.dstd1, outputs_D[i]);
}
}
}
}
// ----------------------tests for all archs--------------------------
TEST(cvt_w_d) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
struct Test {
double a;
int32_t b;
int32_t fcsr;
};
const int kTableLength = 24;
double inputs[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483637.0, 2147483638.0, 2147483639.0,
2147483640.0, 2147483641.0, 2147483642.0,
2147483643.0, 2147483644.0, 2147483645.0,
2147483646.0, 2147483647.0, 2147483653.0
};
double outputs_RN[kTableLength] = {
2.0, 3.0, 2.0, 3.0, 4.0, 4.0,
-2.0, -3.0, -2.0, -3.0, -4.0, -4.0,
2147483637.0, 2147483638.0, 2147483639.0,
2147483640.0, 2147483641.0, 2147483642.0,
2147483643.0, 2147483644.0, 2147483645.0,
2147483646.0, 2147483647.0, kFPUInvalidResult};
double outputs_RZ[kTableLength] = {
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
2147483637.0, 2147483638.0, 2147483639.0,
2147483640.0, 2147483641.0, 2147483642.0,
2147483643.0, 2147483644.0, 2147483645.0,
2147483646.0, 2147483647.0, kFPUInvalidResult};
double outputs_RP[kTableLength] = {
3.0, 3.0, 3.0, 4.0, 4.0, 4.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
2147483637.0, 2147483638.0, 2147483639.0,
2147483640.0, 2147483641.0, 2147483642.0,
2147483643.0, 2147483644.0, 2147483645.0,
2147483646.0, 2147483647.0, kFPUInvalidResult};
double outputs_RM[kTableLength] = {
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-3.0, -3.0, -3.0, -4.0, -4.0, -4.0,
2147483637.0, 2147483638.0, 2147483639.0,
2147483640.0, 2147483641.0, 2147483642.0,
2147483643.0, 2147483644.0, 2147483645.0,
2147483646.0, 2147483647.0, kFPUInvalidResult};
int fcsr_inputs[4] =
{kRoundToNearest, kRoundToZero, kRoundToPlusInf, kRoundToMinusInf};
double* outputs[4] = {outputs_RN, outputs_RZ, outputs_RP, outputs_RM};
__ Ldc1(f4, MemOperand(a0, offsetof(Test, a)));
__ lw(t0, MemOperand(a0, offsetof(Test, fcsr)) );
__ cfc1(t1, FCSR);
__ ctc1(t0, FCSR);
__ cvt_w_d(f8, f4);
__ swc1(f8, MemOperand(a0, offsetof(Test, b)) );
__ ctc1(t1, FCSR);
__ jr(ra);
__ nop();
Test test;
CodeDesc desc;
assm.GetCode(isolate, &desc);
Handle<Code> code =
Factory::CodeBuilder(isolate, desc, CodeKind::STUB).Build();
auto f = GeneratedCode<F3>::FromCode(*code);
for (int j = 0; j < 4; j++) {
test.fcsr = fcsr_inputs[j];
for (int i = 0; i < kTableLength; i++) {
test.a = inputs[i];
(f.Call(&test, 0, 0, 0, 0));
CHECK_EQ(test.b, outputs[j][i]);
}
}
}
TEST(trunc_w) {
CcTest::InitializeVM();
Isolate* isolate = CcTest::i_isolate();
HandleScope scope(isolate);
MacroAssembler assm(isolate, v8::internal::CodeObjectRequired::kYes);
struct Test {
uint32_t isNaN2008;
double a;
float b;
int32_t c; // a trunc result
int32_t d; // b trunc result
};
const int kTableLength = 15;
double inputs_D[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483648.0,
std::numeric_limits<double>::quiet_NaN(),
std::numeric_limits<double>::infinity()
};
float inputs_S[kTableLength] = {
2.1, 2.6, 2.5, 3.1, 3.6, 3.5,
-2.1, -2.6, -2.5, -3.1, -3.6, -3.5,
2147483648.0,
std::numeric_limits<float>::quiet_NaN(),
std::numeric_limits<float>::infinity()
};
double outputs[kTableLength] = {
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
kFPUInvalidResult, kFPUInvalidResult,
kFPUInvalidResult};
double outputsNaN2008[kTableLength] = {
2.0, 2.0, 2.0, 3.0, 3.0, 3.0,
-2.0, -2.0, -2.0, -3.0, -3.0, -3.0,
kFPUInvalidResult