Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame^] | 1 | // Copyright 2012 the V8 project authors. All rights reserved. |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 2 | // Redistribution and use in source and binary forms, with or without |
| 3 | // modification, are permitted provided that the following conditions are |
| 4 | // met: |
| 5 | // |
| 6 | // * Redistributions of source code must retain the above copyright |
| 7 | // notice, this list of conditions and the following disclaimer. |
| 8 | // * Redistributions in binary form must reproduce the above |
| 9 | // copyright notice, this list of conditions and the following |
| 10 | // disclaimer in the documentation and/or other materials provided |
| 11 | // with the distribution. |
| 12 | // * Neither the name of Google Inc. nor the names of its |
| 13 | // contributors may be used to endorse or promote products derived |
| 14 | // from this software without specific prior written permission. |
| 15 | // |
| 16 | // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| 17 | // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| 18 | // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
| 19 | // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
| 20 | // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| 21 | // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| 22 | // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
| 23 | // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| 24 | // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 25 | // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| 26 | // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 27 | |
| 28 | #include "v8.h" |
| 29 | |
| 30 | #include "disassembler.h" |
| 31 | #include "factory.h" |
| 32 | #include "macro-assembler.h" |
| 33 | #include "mips/macro-assembler-mips.h" |
| 34 | #include "mips/simulator-mips.h" |
| 35 | |
| 36 | #include "cctest.h" |
| 37 | |
| 38 | using namespace v8::internal; |
| 39 | |
| 40 | |
| 41 | // Define these function prototypes to match JSEntryFunction in execution.cc. |
| 42 | typedef Object* (*F1)(int x, int p1, int p2, int p3, int p4); |
| 43 | typedef Object* (*F2)(int x, int y, int p2, int p3, int p4); |
| 44 | typedef Object* (*F3)(void* p, int p1, int p2, int p3, int p4); |
| 45 | |
| 46 | |
| 47 | static v8::Persistent<v8::Context> env; |
| 48 | |
| 49 | |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 50 | static void InitializeVM() { |
Steve Block | 6ded16b | 2010-05-10 14:33:55 +0100 | [diff] [blame] | 51 | // Disable compilation of natives. |
| 52 | FLAG_disable_native_files = true; |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 53 | |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 54 | if (env.IsEmpty()) { |
| 55 | env = v8::Context::New(); |
| 56 | } |
| 57 | } |
| 58 | |
| 59 | |
| 60 | #define __ assm. |
| 61 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 62 | |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 63 | TEST(MIPS0) { |
| 64 | InitializeVM(); |
| 65 | v8::HandleScope scope; |
| 66 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 67 | MacroAssembler assm(Isolate::Current(), NULL, 0); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 68 | |
| 69 | // Addition. |
| 70 | __ addu(v0, a0, a1); |
| 71 | __ jr(ra); |
| 72 | __ nop(); |
| 73 | |
| 74 | CodeDesc desc; |
| 75 | assm.GetCode(&desc); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 76 | Object* code = HEAP->CreateCode( |
| 77 | desc, |
| 78 | Code::ComputeFlags(Code::STUB), |
| 79 | Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 80 | CHECK(code->IsCode()); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 81 | F2 f = FUNCTION_CAST<F2>(Code::cast(code)->entry()); |
| 82 | int res = reinterpret_cast<int>(CALL_GENERATED_CODE(f, 0xab0, 0xc, 0, 0, 0)); |
| 83 | ::printf("f() = %d\n", res); |
| 84 | CHECK_EQ(0xabc, res); |
| 85 | } |
| 86 | |
| 87 | |
| 88 | TEST(MIPS1) { |
| 89 | InitializeVM(); |
| 90 | v8::HandleScope scope; |
| 91 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 92 | MacroAssembler assm(Isolate::Current(), NULL, 0); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 93 | Label L, C; |
| 94 | |
| 95 | __ mov(a1, a0); |
| 96 | __ li(v0, 0); |
| 97 | __ b(&C); |
| 98 | __ nop(); |
| 99 | |
| 100 | __ bind(&L); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 101 | __ addu(v0, v0, a1); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 102 | __ addiu(a1, a1, -1); |
| 103 | |
| 104 | __ bind(&C); |
| 105 | __ xori(v1, a1, 0); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 106 | __ Branch(&L, ne, v1, Operand(0)); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 107 | __ nop(); |
| 108 | |
| 109 | __ jr(ra); |
| 110 | __ nop(); |
| 111 | |
| 112 | CodeDesc desc; |
| 113 | assm.GetCode(&desc); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 114 | Object* code = HEAP->CreateCode( |
| 115 | desc, |
| 116 | Code::ComputeFlags(Code::STUB), |
| 117 | Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 118 | CHECK(code->IsCode()); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 119 | F1 f = FUNCTION_CAST<F1>(Code::cast(code)->entry()); |
| 120 | int res = reinterpret_cast<int>(CALL_GENERATED_CODE(f, 50, 0, 0, 0, 0)); |
| 121 | ::printf("f() = %d\n", res); |
| 122 | CHECK_EQ(1275, res); |
| 123 | } |
| 124 | |
| 125 | |
| 126 | TEST(MIPS2) { |
| 127 | InitializeVM(); |
| 128 | v8::HandleScope scope; |
| 129 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 130 | MacroAssembler assm(Isolate::Current(), NULL, 0); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 131 | |
| 132 | Label exit, error; |
| 133 | |
| 134 | // ----- Test all instructions. |
| 135 | |
| 136 | // Test lui, ori, and addiu, used in the li pseudo-instruction. |
| 137 | // This way we can then safely load registers with chosen values. |
| 138 | |
| 139 | __ ori(t0, zero_reg, 0); |
| 140 | __ lui(t0, 0x1234); |
| 141 | __ ori(t0, t0, 0); |
| 142 | __ ori(t0, t0, 0x0f0f); |
| 143 | __ ori(t0, t0, 0xf0f0); |
| 144 | __ addiu(t1, t0, 1); |
| 145 | __ addiu(t2, t1, -0x10); |
| 146 | |
| 147 | // Load values in temporary registers. |
| 148 | __ li(t0, 0x00000004); |
| 149 | __ li(t1, 0x00001234); |
| 150 | __ li(t2, 0x12345678); |
| 151 | __ li(t3, 0x7fffffff); |
| 152 | __ li(t4, 0xfffffffc); |
| 153 | __ li(t5, 0xffffedcc); |
| 154 | __ li(t6, 0xedcba988); |
| 155 | __ li(t7, 0x80000000); |
| 156 | |
| 157 | // SPECIAL class. |
| 158 | __ srl(v0, t2, 8); // 0x00123456 |
| 159 | __ sll(v0, v0, 11); // 0x91a2b000 |
| 160 | __ sra(v0, v0, 3); // 0xf2345600 |
| 161 | __ srav(v0, v0, t0); // 0xff234560 |
| 162 | __ sllv(v0, v0, t0); // 0xf2345600 |
| 163 | __ srlv(v0, v0, t0); // 0x0f234560 |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 164 | __ Branch(&error, ne, v0, Operand(0x0f234560)); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 165 | __ nop(); |
| 166 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 167 | __ addu(v0, t0, t1); // 0x00001238 |
| 168 | __ subu(v0, v0, t0); // 0x00001234 |
| 169 | __ Branch(&error, ne, v0, Operand(0x00001234)); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 170 | __ nop(); |
| 171 | __ addu(v1, t3, t0); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 172 | __ Branch(&error, ne, v1, Operand(0x80000003)); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 173 | __ nop(); |
| 174 | __ subu(v1, t7, t0); // 0x7ffffffc |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 175 | __ Branch(&error, ne, v1, Operand(0x7ffffffc)); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 176 | __ nop(); |
| 177 | |
| 178 | __ and_(v0, t1, t2); // 0x00001230 |
| 179 | __ or_(v0, v0, t1); // 0x00001234 |
| 180 | __ xor_(v0, v0, t2); // 0x1234444c |
| 181 | __ nor(v0, v0, t2); // 0xedcba987 |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 182 | __ Branch(&error, ne, v0, Operand(0xedcba983)); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 183 | __ nop(); |
| 184 | |
| 185 | __ slt(v0, t7, t3); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 186 | __ Branch(&error, ne, v0, Operand(0x1)); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 187 | __ nop(); |
| 188 | __ sltu(v0, t7, t3); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 189 | __ Branch(&error, ne, v0, Operand(0x0)); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 190 | __ nop(); |
| 191 | // End of SPECIAL class. |
| 192 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 193 | __ addiu(v0, zero_reg, 0x7421); // 0x00007421 |
| 194 | __ addiu(v0, v0, -0x1); // 0x00007420 |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 195 | __ addiu(v0, v0, -0x20); // 0x00007400 |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 196 | __ Branch(&error, ne, v0, Operand(0x00007400)); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 197 | __ nop(); |
| 198 | __ addiu(v1, t3, 0x1); // 0x80000000 |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 199 | __ Branch(&error, ne, v1, Operand(0x80000000)); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 200 | __ nop(); |
| 201 | |
| 202 | __ slti(v0, t1, 0x00002000); // 0x1 |
| 203 | __ slti(v0, v0, 0xffff8000); // 0x0 |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 204 | __ Branch(&error, ne, v0, Operand(0x0)); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 205 | __ nop(); |
| 206 | __ sltiu(v0, t1, 0x00002000); // 0x1 |
| 207 | __ sltiu(v0, v0, 0x00008000); // 0x1 |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 208 | __ Branch(&error, ne, v0, Operand(0x1)); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 209 | __ nop(); |
| 210 | |
| 211 | __ andi(v0, t1, 0xf0f0); // 0x00001030 |
| 212 | __ ori(v0, v0, 0x8a00); // 0x00009a30 |
| 213 | __ xori(v0, v0, 0x83cc); // 0x000019fc |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 214 | __ Branch(&error, ne, v0, Operand(0x000019fc)); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 215 | __ nop(); |
| 216 | __ lui(v1, 0x8123); // 0x81230000 |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 217 | __ Branch(&error, ne, v1, Operand(0x81230000)); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 218 | __ nop(); |
| 219 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 220 | // Bit twiddling instructions & conditional moves. |
| 221 | // Uses t0-t7 as set above. |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame^] | 222 | __ Clz(v0, t0); // 29 |
| 223 | __ Clz(v1, t1); // 19 |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 224 | __ addu(v0, v0, v1); // 48 |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame^] | 225 | __ Clz(v1, t2); // 3 |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 226 | __ addu(v0, v0, v1); // 51 |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame^] | 227 | __ Clz(v1, t7); // 0 |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 228 | __ addu(v0, v0, v1); // 51 |
| 229 | __ Branch(&error, ne, v0, Operand(51)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame^] | 230 | __ Movn(a0, t3, t0); // Move a0<-t3 (t0 is NOT 0). |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 231 | __ Ins(a0, t1, 12, 8); // 0x7ff34fff |
| 232 | __ Branch(&error, ne, a0, Operand(0x7ff34fff)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame^] | 233 | __ Movz(a0, t6, t7); // a0 not updated (t7 is NOT 0). |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 234 | __ Ext(a1, a0, 8, 12); // 0x34f |
| 235 | __ Branch(&error, ne, a1, Operand(0x34f)); |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame^] | 236 | __ Movz(a0, t6, v1); // a0<-t6, v0 is 0, from 8 instr back. |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 237 | __ Branch(&error, ne, a0, Operand(t6)); |
| 238 | |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 239 | // Everything was correctly executed. Load the expected result. |
| 240 | __ li(v0, 0x31415926); |
| 241 | __ b(&exit); |
| 242 | __ nop(); |
| 243 | |
| 244 | __ bind(&error); |
| 245 | // Got an error. Return a wrong result. |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 246 | __ li(v0, 666); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 247 | |
| 248 | __ bind(&exit); |
| 249 | __ jr(ra); |
| 250 | __ nop(); |
| 251 | |
| 252 | CodeDesc desc; |
| 253 | assm.GetCode(&desc); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 254 | Object* code = HEAP->CreateCode( |
| 255 | desc, |
| 256 | Code::ComputeFlags(Code::STUB), |
| 257 | Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 258 | CHECK(code->IsCode()); |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 259 | F2 f = FUNCTION_CAST<F2>(Code::cast(code)->entry()); |
| 260 | int res = reinterpret_cast<int>(CALL_GENERATED_CODE(f, 0xab0, 0xc, 0, 0, 0)); |
| 261 | ::printf("f() = %d\n", res); |
| 262 | CHECK_EQ(0x31415926, res); |
| 263 | } |
| 264 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 265 | |
| 266 | TEST(MIPS3) { |
| 267 | // Test floating point instructions. |
| 268 | InitializeVM(); |
| 269 | v8::HandleScope scope; |
| 270 | |
| 271 | typedef struct { |
| 272 | double a; |
| 273 | double b; |
| 274 | double c; |
| 275 | double d; |
| 276 | double e; |
| 277 | double f; |
| 278 | double g; |
| 279 | } T; |
| 280 | T t; |
| 281 | |
| 282 | // Create a function that accepts &t, and loads, manipulates, and stores |
| 283 | // the doubles t.a ... t.f. |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 284 | MacroAssembler assm(Isolate::Current(), NULL, 0); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 285 | Label L, C; |
| 286 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 287 | if (CpuFeatures::IsSupported(FPU)) { |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 288 | CpuFeatures::Scope scope(FPU); |
| 289 | |
| 290 | __ ldc1(f4, MemOperand(a0, OFFSET_OF(T, a)) ); |
| 291 | __ ldc1(f6, MemOperand(a0, OFFSET_OF(T, b)) ); |
| 292 | __ add_d(f8, f4, f6); |
| 293 | __ sdc1(f8, MemOperand(a0, OFFSET_OF(T, c)) ); // c = a + b. |
| 294 | |
| 295 | __ mov_d(f10, f8); // c |
| 296 | __ neg_d(f12, f6); // -b |
| 297 | __ sub_d(f10, f10, f12); |
| 298 | __ sdc1(f10, MemOperand(a0, OFFSET_OF(T, d)) ); // d = c - (-b). |
| 299 | |
| 300 | __ sdc1(f4, MemOperand(a0, OFFSET_OF(T, b)) ); // b = a. |
| 301 | |
| 302 | __ li(t0, 120); |
| 303 | __ mtc1(t0, f14); |
| 304 | __ cvt_d_w(f14, f14); // f14 = 120.0. |
| 305 | __ mul_d(f10, f10, f14); |
| 306 | __ sdc1(f10, MemOperand(a0, OFFSET_OF(T, e)) ); // e = d * 120 = 1.8066e16. |
| 307 | |
| 308 | __ div_d(f12, f10, f4); |
| 309 | __ sdc1(f12, MemOperand(a0, OFFSET_OF(T, f)) ); // f = e / a = 120.44. |
| 310 | |
| 311 | __ sqrt_d(f14, f12); |
| 312 | __ sdc1(f14, MemOperand(a0, OFFSET_OF(T, g)) ); |
| 313 | // g = sqrt(f) = 10.97451593465515908537 |
| 314 | |
| 315 | __ jr(ra); |
| 316 | __ nop(); |
| 317 | |
| 318 | CodeDesc desc; |
| 319 | assm.GetCode(&desc); |
| 320 | Object* code = HEAP->CreateCode( |
| 321 | desc, |
| 322 | Code::ComputeFlags(Code::STUB), |
| 323 | Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
| 324 | CHECK(code->IsCode()); |
| 325 | F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
| 326 | t.a = 1.5e14; |
| 327 | t.b = 2.75e11; |
| 328 | t.c = 0.0; |
| 329 | t.d = 0.0; |
| 330 | t.e = 0.0; |
| 331 | t.f = 0.0; |
| 332 | Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
| 333 | USE(dummy); |
| 334 | CHECK_EQ(1.5e14, t.a); |
| 335 | CHECK_EQ(1.5e14, t.b); |
| 336 | CHECK_EQ(1.50275e14, t.c); |
| 337 | CHECK_EQ(1.50550e14, t.d); |
| 338 | CHECK_EQ(1.8066e16, t.e); |
| 339 | CHECK_EQ(120.44, t.f); |
| 340 | CHECK_EQ(10.97451593465515908537, t.g); |
| 341 | } |
| 342 | } |
| 343 | |
| 344 | |
| 345 | TEST(MIPS4) { |
| 346 | // Test moves between floating point and integer registers. |
| 347 | InitializeVM(); |
| 348 | v8::HandleScope scope; |
| 349 | |
| 350 | typedef struct { |
| 351 | double a; |
| 352 | double b; |
| 353 | double c; |
| 354 | } T; |
| 355 | T t; |
| 356 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 357 | Assembler assm(Isolate::Current(), NULL, 0); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 358 | Label L, C; |
| 359 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 360 | if (CpuFeatures::IsSupported(FPU)) { |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 361 | CpuFeatures::Scope scope(FPU); |
| 362 | |
| 363 | __ ldc1(f4, MemOperand(a0, OFFSET_OF(T, a)) ); |
| 364 | __ ldc1(f6, MemOperand(a0, OFFSET_OF(T, b)) ); |
| 365 | |
| 366 | // Swap f4 and f6, by using four integer registers, t0-t3. |
| 367 | __ mfc1(t0, f4); |
| 368 | __ mfc1(t1, f5); |
| 369 | __ mfc1(t2, f6); |
| 370 | __ mfc1(t3, f7); |
| 371 | |
| 372 | __ mtc1(t0, f6); |
| 373 | __ mtc1(t1, f7); |
| 374 | __ mtc1(t2, f4); |
| 375 | __ mtc1(t3, f5); |
| 376 | |
| 377 | // Store the swapped f4 and f5 back to memory. |
| 378 | __ sdc1(f4, MemOperand(a0, OFFSET_OF(T, a)) ); |
| 379 | __ sdc1(f6, MemOperand(a0, OFFSET_OF(T, c)) ); |
| 380 | |
| 381 | __ jr(ra); |
| 382 | __ nop(); |
| 383 | |
| 384 | CodeDesc desc; |
| 385 | assm.GetCode(&desc); |
| 386 | Object* code = HEAP->CreateCode( |
| 387 | desc, |
| 388 | Code::ComputeFlags(Code::STUB), |
| 389 | Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
| 390 | CHECK(code->IsCode()); |
| 391 | F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
| 392 | t.a = 1.5e22; |
| 393 | t.b = 2.75e11; |
| 394 | t.c = 17.17; |
| 395 | Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
| 396 | USE(dummy); |
| 397 | |
| 398 | CHECK_EQ(2.75e11, t.a); |
| 399 | CHECK_EQ(2.75e11, t.b); |
| 400 | CHECK_EQ(1.5e22, t.c); |
| 401 | } |
| 402 | } |
| 403 | |
| 404 | |
| 405 | TEST(MIPS5) { |
| 406 | // Test conversions between doubles and integers. |
| 407 | InitializeVM(); |
| 408 | v8::HandleScope scope; |
| 409 | |
| 410 | typedef struct { |
| 411 | double a; |
| 412 | double b; |
| 413 | int i; |
| 414 | int j; |
| 415 | } T; |
| 416 | T t; |
| 417 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 418 | Assembler assm(Isolate::Current(), NULL, 0); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 419 | Label L, C; |
| 420 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 421 | if (CpuFeatures::IsSupported(FPU)) { |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 422 | CpuFeatures::Scope scope(FPU); |
| 423 | |
| 424 | // Load all structure elements to registers. |
| 425 | __ ldc1(f4, MemOperand(a0, OFFSET_OF(T, a)) ); |
| 426 | __ ldc1(f6, MemOperand(a0, OFFSET_OF(T, b)) ); |
| 427 | __ lw(t0, MemOperand(a0, OFFSET_OF(T, i)) ); |
| 428 | __ lw(t1, MemOperand(a0, OFFSET_OF(T, j)) ); |
| 429 | |
| 430 | // Convert double in f4 to int in element i. |
| 431 | __ cvt_w_d(f8, f4); |
| 432 | __ mfc1(t2, f8); |
| 433 | __ sw(t2, MemOperand(a0, OFFSET_OF(T, i)) ); |
| 434 | |
| 435 | // Convert double in f6 to int in element j. |
| 436 | __ cvt_w_d(f10, f6); |
| 437 | __ mfc1(t3, f10); |
| 438 | __ sw(t3, MemOperand(a0, OFFSET_OF(T, j)) ); |
| 439 | |
| 440 | // Convert int in original i (t0) to double in a. |
| 441 | __ mtc1(t0, f12); |
| 442 | __ cvt_d_w(f0, f12); |
| 443 | __ sdc1(f0, MemOperand(a0, OFFSET_OF(T, a)) ); |
| 444 | |
| 445 | // Convert int in original j (t1) to double in b. |
| 446 | __ mtc1(t1, f14); |
| 447 | __ cvt_d_w(f2, f14); |
| 448 | __ sdc1(f2, MemOperand(a0, OFFSET_OF(T, b)) ); |
| 449 | |
| 450 | __ jr(ra); |
| 451 | __ nop(); |
| 452 | |
| 453 | CodeDesc desc; |
| 454 | assm.GetCode(&desc); |
| 455 | Object* code = HEAP->CreateCode( |
| 456 | desc, |
| 457 | Code::ComputeFlags(Code::STUB), |
| 458 | Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
| 459 | CHECK(code->IsCode()); |
| 460 | F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
| 461 | t.a = 1.5e4; |
| 462 | t.b = 2.75e8; |
| 463 | t.i = 12345678; |
| 464 | t.j = -100000; |
| 465 | Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
| 466 | USE(dummy); |
| 467 | |
| 468 | CHECK_EQ(12345678.0, t.a); |
| 469 | CHECK_EQ(-100000.0, t.b); |
| 470 | CHECK_EQ(15000, t.i); |
| 471 | CHECK_EQ(275000000, t.j); |
| 472 | } |
| 473 | } |
| 474 | |
| 475 | |
| 476 | TEST(MIPS6) { |
| 477 | // Test simple memory loads and stores. |
| 478 | InitializeVM(); |
| 479 | v8::HandleScope scope; |
| 480 | |
| 481 | typedef struct { |
| 482 | uint32_t ui; |
| 483 | int32_t si; |
| 484 | int32_t r1; |
| 485 | int32_t r2; |
| 486 | int32_t r3; |
| 487 | int32_t r4; |
| 488 | int32_t r5; |
| 489 | int32_t r6; |
| 490 | } T; |
| 491 | T t; |
| 492 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 493 | Assembler assm(Isolate::Current(), NULL, 0); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 494 | Label L, C; |
| 495 | |
| 496 | // Basic word load/store. |
| 497 | __ lw(t0, MemOperand(a0, OFFSET_OF(T, ui)) ); |
| 498 | __ sw(t0, MemOperand(a0, OFFSET_OF(T, r1)) ); |
| 499 | |
| 500 | // lh with positive data. |
| 501 | __ lh(t1, MemOperand(a0, OFFSET_OF(T, ui)) ); |
| 502 | __ sw(t1, MemOperand(a0, OFFSET_OF(T, r2)) ); |
| 503 | |
| 504 | // lh with negative data. |
| 505 | __ lh(t2, MemOperand(a0, OFFSET_OF(T, si)) ); |
| 506 | __ sw(t2, MemOperand(a0, OFFSET_OF(T, r3)) ); |
| 507 | |
| 508 | // lhu with negative data. |
| 509 | __ lhu(t3, MemOperand(a0, OFFSET_OF(T, si)) ); |
| 510 | __ sw(t3, MemOperand(a0, OFFSET_OF(T, r4)) ); |
| 511 | |
| 512 | // lb with negative data. |
| 513 | __ lb(t4, MemOperand(a0, OFFSET_OF(T, si)) ); |
| 514 | __ sw(t4, MemOperand(a0, OFFSET_OF(T, r5)) ); |
| 515 | |
| 516 | // sh writes only 1/2 of word. |
| 517 | __ lui(t5, 0x3333); |
| 518 | __ ori(t5, t5, 0x3333); |
| 519 | __ sw(t5, MemOperand(a0, OFFSET_OF(T, r6)) ); |
| 520 | __ lhu(t5, MemOperand(a0, OFFSET_OF(T, si)) ); |
| 521 | __ sh(t5, MemOperand(a0, OFFSET_OF(T, r6)) ); |
| 522 | |
| 523 | __ jr(ra); |
| 524 | __ nop(); |
| 525 | |
| 526 | CodeDesc desc; |
| 527 | assm.GetCode(&desc); |
| 528 | Object* code = HEAP->CreateCode( |
| 529 | desc, |
| 530 | Code::ComputeFlags(Code::STUB), |
| 531 | Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
| 532 | CHECK(code->IsCode()); |
| 533 | F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
| 534 | t.ui = 0x11223344; |
| 535 | t.si = 0x99aabbcc; |
| 536 | Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
| 537 | USE(dummy); |
| 538 | |
| 539 | CHECK_EQ(0x11223344, t.r1); |
| 540 | CHECK_EQ(0x3344, t.r2); |
| 541 | CHECK_EQ(0xffffbbcc, t.r3); |
| 542 | CHECK_EQ(0x0000bbcc, t.r4); |
| 543 | CHECK_EQ(0xffffffcc, t.r5); |
| 544 | CHECK_EQ(0x3333bbcc, t.r6); |
| 545 | } |
| 546 | |
| 547 | |
| 548 | TEST(MIPS7) { |
| 549 | // Test floating point compare and branch instructions. |
| 550 | InitializeVM(); |
| 551 | v8::HandleScope scope; |
| 552 | |
| 553 | typedef struct { |
| 554 | double a; |
| 555 | double b; |
| 556 | double c; |
| 557 | double d; |
| 558 | double e; |
| 559 | double f; |
| 560 | int32_t result; |
| 561 | } T; |
| 562 | T t; |
| 563 | |
| 564 | // Create a function that accepts &t, and loads, manipulates, and stores |
| 565 | // the doubles t.a ... t.f. |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 566 | MacroAssembler assm(Isolate::Current(), NULL, 0); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 567 | Label neither_is_nan, less_than, outa_here; |
| 568 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 569 | if (CpuFeatures::IsSupported(FPU)) { |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 570 | CpuFeatures::Scope scope(FPU); |
| 571 | |
| 572 | __ ldc1(f4, MemOperand(a0, OFFSET_OF(T, a)) ); |
| 573 | __ ldc1(f6, MemOperand(a0, OFFSET_OF(T, b)) ); |
| 574 | __ c(UN, D, f4, f6); |
| 575 | __ bc1f(&neither_is_nan); |
| 576 | __ nop(); |
| 577 | __ sw(zero_reg, MemOperand(a0, OFFSET_OF(T, result)) ); |
| 578 | __ Branch(&outa_here); |
| 579 | |
| 580 | __ bind(&neither_is_nan); |
| 581 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame^] | 582 | if (kArchVariant == kLoongson) { |
| 583 | __ c(OLT, D, f6, f4); |
| 584 | __ bc1t(&less_than); |
| 585 | } else { |
| 586 | __ c(OLT, D, f6, f4, 2); |
| 587 | __ bc1t(&less_than, 2); |
| 588 | } |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 589 | __ nop(); |
| 590 | __ sw(zero_reg, MemOperand(a0, OFFSET_OF(T, result)) ); |
| 591 | __ Branch(&outa_here); |
| 592 | |
| 593 | __ bind(&less_than); |
| 594 | __ Addu(t0, zero_reg, Operand(1)); |
| 595 | __ sw(t0, MemOperand(a0, OFFSET_OF(T, result)) ); // Set true. |
| 596 | |
| 597 | |
| 598 | // This test-case should have additional tests. |
| 599 | |
| 600 | __ bind(&outa_here); |
| 601 | |
| 602 | __ jr(ra); |
| 603 | __ nop(); |
| 604 | |
| 605 | CodeDesc desc; |
| 606 | assm.GetCode(&desc); |
| 607 | Object* code = HEAP->CreateCode( |
| 608 | desc, |
| 609 | Code::ComputeFlags(Code::STUB), |
| 610 | Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
| 611 | CHECK(code->IsCode()); |
| 612 | F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
| 613 | t.a = 1.5e14; |
| 614 | t.b = 2.75e11; |
| 615 | t.c = 2.0; |
| 616 | t.d = -4.0; |
| 617 | t.e = 0.0; |
| 618 | t.f = 0.0; |
| 619 | t.result = 0; |
| 620 | Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
| 621 | USE(dummy); |
| 622 | CHECK_EQ(1.5e14, t.a); |
| 623 | CHECK_EQ(2.75e11, t.b); |
| 624 | CHECK_EQ(1, t.result); |
| 625 | } |
| 626 | } |
| 627 | |
| 628 | |
| 629 | TEST(MIPS8) { |
| 630 | // Test ROTR and ROTRV instructions. |
| 631 | InitializeVM(); |
| 632 | v8::HandleScope scope; |
| 633 | |
| 634 | typedef struct { |
| 635 | int32_t input; |
| 636 | int32_t result_rotr_4; |
| 637 | int32_t result_rotr_8; |
| 638 | int32_t result_rotr_12; |
| 639 | int32_t result_rotr_16; |
| 640 | int32_t result_rotr_20; |
| 641 | int32_t result_rotr_24; |
| 642 | int32_t result_rotr_28; |
| 643 | int32_t result_rotrv_4; |
| 644 | int32_t result_rotrv_8; |
| 645 | int32_t result_rotrv_12; |
| 646 | int32_t result_rotrv_16; |
| 647 | int32_t result_rotrv_20; |
| 648 | int32_t result_rotrv_24; |
| 649 | int32_t result_rotrv_28; |
| 650 | } T; |
| 651 | T t; |
| 652 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 653 | MacroAssembler assm(Isolate::Current(), NULL, 0); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 654 | |
| 655 | // Basic word load. |
| 656 | __ lw(t0, MemOperand(a0, OFFSET_OF(T, input)) ); |
| 657 | |
| 658 | // ROTR instruction (called through the Ror macro). |
| 659 | __ Ror(t1, t0, 0x0004); |
| 660 | __ Ror(t2, t0, 0x0008); |
| 661 | __ Ror(t3, t0, 0x000c); |
| 662 | __ Ror(t4, t0, 0x0010); |
| 663 | __ Ror(t5, t0, 0x0014); |
| 664 | __ Ror(t6, t0, 0x0018); |
| 665 | __ Ror(t7, t0, 0x001c); |
| 666 | |
| 667 | // Basic word store. |
| 668 | __ sw(t1, MemOperand(a0, OFFSET_OF(T, result_rotr_4)) ); |
| 669 | __ sw(t2, MemOperand(a0, OFFSET_OF(T, result_rotr_8)) ); |
| 670 | __ sw(t3, MemOperand(a0, OFFSET_OF(T, result_rotr_12)) ); |
| 671 | __ sw(t4, MemOperand(a0, OFFSET_OF(T, result_rotr_16)) ); |
| 672 | __ sw(t5, MemOperand(a0, OFFSET_OF(T, result_rotr_20)) ); |
| 673 | __ sw(t6, MemOperand(a0, OFFSET_OF(T, result_rotr_24)) ); |
| 674 | __ sw(t7, MemOperand(a0, OFFSET_OF(T, result_rotr_28)) ); |
| 675 | |
| 676 | // ROTRV instruction (called through the Ror macro). |
| 677 | __ li(t7, 0x0004); |
| 678 | __ Ror(t1, t0, t7); |
| 679 | __ li(t7, 0x0008); |
| 680 | __ Ror(t2, t0, t7); |
| 681 | __ li(t7, 0x000C); |
| 682 | __ Ror(t3, t0, t7); |
| 683 | __ li(t7, 0x0010); |
| 684 | __ Ror(t4, t0, t7); |
| 685 | __ li(t7, 0x0014); |
| 686 | __ Ror(t5, t0, t7); |
| 687 | __ li(t7, 0x0018); |
| 688 | __ Ror(t6, t0, t7); |
| 689 | __ li(t7, 0x001C); |
| 690 | __ Ror(t7, t0, t7); |
| 691 | |
| 692 | // Basic word store. |
| 693 | __ sw(t1, MemOperand(a0, OFFSET_OF(T, result_rotrv_4)) ); |
| 694 | __ sw(t2, MemOperand(a0, OFFSET_OF(T, result_rotrv_8)) ); |
| 695 | __ sw(t3, MemOperand(a0, OFFSET_OF(T, result_rotrv_12)) ); |
| 696 | __ sw(t4, MemOperand(a0, OFFSET_OF(T, result_rotrv_16)) ); |
| 697 | __ sw(t5, MemOperand(a0, OFFSET_OF(T, result_rotrv_20)) ); |
| 698 | __ sw(t6, MemOperand(a0, OFFSET_OF(T, result_rotrv_24)) ); |
| 699 | __ sw(t7, MemOperand(a0, OFFSET_OF(T, result_rotrv_28)) ); |
| 700 | |
| 701 | __ jr(ra); |
| 702 | __ nop(); |
| 703 | |
| 704 | CodeDesc desc; |
| 705 | assm.GetCode(&desc); |
| 706 | Object* code = HEAP->CreateCode( |
| 707 | desc, |
| 708 | Code::ComputeFlags(Code::STUB), |
| 709 | Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
| 710 | CHECK(code->IsCode()); |
| 711 | F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
| 712 | t.input = 0x12345678; |
| 713 | Object* dummy = CALL_GENERATED_CODE(f, &t, 0x0, 0, 0, 0); |
| 714 | USE(dummy); |
| 715 | CHECK_EQ(0x81234567, t.result_rotr_4); |
| 716 | CHECK_EQ(0x78123456, t.result_rotr_8); |
| 717 | CHECK_EQ(0x67812345, t.result_rotr_12); |
| 718 | CHECK_EQ(0x56781234, t.result_rotr_16); |
| 719 | CHECK_EQ(0x45678123, t.result_rotr_20); |
| 720 | CHECK_EQ(0x34567812, t.result_rotr_24); |
| 721 | CHECK_EQ(0x23456781, t.result_rotr_28); |
| 722 | |
| 723 | CHECK_EQ(0x81234567, t.result_rotrv_4); |
| 724 | CHECK_EQ(0x78123456, t.result_rotrv_8); |
| 725 | CHECK_EQ(0x67812345, t.result_rotrv_12); |
| 726 | CHECK_EQ(0x56781234, t.result_rotrv_16); |
| 727 | CHECK_EQ(0x45678123, t.result_rotrv_20); |
| 728 | CHECK_EQ(0x34567812, t.result_rotrv_24); |
| 729 | CHECK_EQ(0x23456781, t.result_rotrv_28); |
| 730 | } |
| 731 | |
| 732 | |
| 733 | TEST(MIPS9) { |
| 734 | // Test BRANCH improvements. |
| 735 | InitializeVM(); |
| 736 | v8::HandleScope scope; |
| 737 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 738 | MacroAssembler assm(Isolate::Current(), NULL, 0); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 739 | Label exit, exit2, exit3; |
| 740 | |
| 741 | __ Branch(&exit, ge, a0, Operand(0x00000000)); |
| 742 | __ Branch(&exit2, ge, a0, Operand(0x00001FFF)); |
| 743 | __ Branch(&exit3, ge, a0, Operand(0x0001FFFF)); |
| 744 | |
| 745 | __ bind(&exit); |
| 746 | __ bind(&exit2); |
| 747 | __ bind(&exit3); |
| 748 | __ jr(ra); |
| 749 | __ nop(); |
| 750 | |
| 751 | CodeDesc desc; |
| 752 | assm.GetCode(&desc); |
| 753 | Object* code = HEAP->CreateCode( |
| 754 | desc, |
| 755 | Code::ComputeFlags(Code::STUB), |
| 756 | Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
| 757 | CHECK(code->IsCode()); |
| 758 | } |
| 759 | |
| 760 | |
| 761 | TEST(MIPS10) { |
| 762 | // Test conversions between doubles and long integers. |
| 763 | // Test hos the long ints map to FP regs pairs. |
| 764 | InitializeVM(); |
| 765 | v8::HandleScope scope; |
| 766 | |
| 767 | typedef struct { |
| 768 | double a; |
| 769 | double b; |
| 770 | int32_t dbl_mant; |
| 771 | int32_t dbl_exp; |
| 772 | int32_t long_hi; |
| 773 | int32_t long_lo; |
| 774 | int32_t b_long_hi; |
| 775 | int32_t b_long_lo; |
| 776 | } T; |
| 777 | T t; |
| 778 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 779 | Assembler assm(Isolate::Current(), NULL, 0); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 780 | Label L, C; |
| 781 | |
Ben Murdoch | 3ef787d | 2012-04-12 10:51:47 +0100 | [diff] [blame^] | 782 | if (CpuFeatures::IsSupported(FPU) && kArchVariant == kMips32r2) { |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 783 | CpuFeatures::Scope scope(FPU); |
| 784 | |
| 785 | // Load all structure elements to registers. |
| 786 | __ ldc1(f0, MemOperand(a0, OFFSET_OF(T, a))); |
| 787 | |
| 788 | // Save the raw bits of the double. |
| 789 | __ mfc1(t0, f0); |
| 790 | __ mfc1(t1, f1); |
| 791 | __ sw(t0, MemOperand(a0, OFFSET_OF(T, dbl_mant))); |
| 792 | __ sw(t1, MemOperand(a0, OFFSET_OF(T, dbl_exp))); |
| 793 | |
| 794 | // Convert double in f0 to long, save hi/lo parts. |
| 795 | __ cvt_l_d(f0, f0); |
| 796 | __ mfc1(t0, f0); // f0 has LS 32 bits of long. |
| 797 | __ mfc1(t1, f1); // f1 has MS 32 bits of long. |
| 798 | __ sw(t0, MemOperand(a0, OFFSET_OF(T, long_lo))); |
| 799 | __ sw(t1, MemOperand(a0, OFFSET_OF(T, long_hi))); |
| 800 | |
| 801 | // Convert the b long integers to double b. |
| 802 | __ lw(t0, MemOperand(a0, OFFSET_OF(T, b_long_lo))); |
| 803 | __ lw(t1, MemOperand(a0, OFFSET_OF(T, b_long_hi))); |
| 804 | __ mtc1(t0, f8); // f8 has LS 32-bits. |
| 805 | __ mtc1(t1, f9); // f9 has MS 32-bits. |
| 806 | __ cvt_d_l(f10, f8); |
| 807 | __ sdc1(f10, MemOperand(a0, OFFSET_OF(T, b))); |
| 808 | |
| 809 | __ jr(ra); |
| 810 | __ nop(); |
| 811 | |
| 812 | CodeDesc desc; |
| 813 | assm.GetCode(&desc); |
| 814 | Object* code = HEAP->CreateCode( |
| 815 | desc, |
| 816 | Code::ComputeFlags(Code::STUB), |
| 817 | Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
| 818 | CHECK(code->IsCode()); |
| 819 | F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
| 820 | t.a = 2.147483647e9; // 0x7fffffff -> 0x41DFFFFFFFC00000 as double. |
| 821 | t.b_long_hi = 0x000000ff; // 0xFF00FF00FF -> 0x426FE01FE01FE000 as double. |
| 822 | t.b_long_lo = 0x00ff00ff; |
| 823 | Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
| 824 | USE(dummy); |
| 825 | |
| 826 | CHECK_EQ(0x41DFFFFF, t.dbl_exp); |
| 827 | CHECK_EQ(0xFFC00000, t.dbl_mant); |
| 828 | CHECK_EQ(0, t.long_hi); |
| 829 | CHECK_EQ(0x7fffffff, t.long_lo); |
| 830 | // 0xFF00FF00FF -> 1.095233372415e12. |
| 831 | CHECK_EQ(1.095233372415e12, t.b); |
| 832 | } |
| 833 | } |
| 834 | |
| 835 | |
| 836 | TEST(MIPS11) { |
| 837 | // Test LWL, LWR, SWL and SWR instructions. |
| 838 | InitializeVM(); |
| 839 | v8::HandleScope scope; |
| 840 | |
| 841 | typedef struct { |
| 842 | int32_t reg_init; |
| 843 | int32_t mem_init; |
| 844 | int32_t lwl_0; |
| 845 | int32_t lwl_1; |
| 846 | int32_t lwl_2; |
| 847 | int32_t lwl_3; |
| 848 | int32_t lwr_0; |
| 849 | int32_t lwr_1; |
| 850 | int32_t lwr_2; |
| 851 | int32_t lwr_3; |
| 852 | int32_t swl_0; |
| 853 | int32_t swl_1; |
| 854 | int32_t swl_2; |
| 855 | int32_t swl_3; |
| 856 | int32_t swr_0; |
| 857 | int32_t swr_1; |
| 858 | int32_t swr_2; |
| 859 | int32_t swr_3; |
| 860 | } T; |
| 861 | T t; |
| 862 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 863 | Assembler assm(Isolate::Current(), NULL, 0); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 864 | |
| 865 | // Test all combinations of LWL and vAddr. |
| 866 | __ lw(t0, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
| 867 | __ lwl(t0, MemOperand(a0, OFFSET_OF(T, mem_init)) ); |
| 868 | __ sw(t0, MemOperand(a0, OFFSET_OF(T, lwl_0)) ); |
| 869 | |
| 870 | __ lw(t1, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
| 871 | __ lwl(t1, MemOperand(a0, OFFSET_OF(T, mem_init) + 1) ); |
| 872 | __ sw(t1, MemOperand(a0, OFFSET_OF(T, lwl_1)) ); |
| 873 | |
| 874 | __ lw(t2, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
| 875 | __ lwl(t2, MemOperand(a0, OFFSET_OF(T, mem_init) + 2) ); |
| 876 | __ sw(t2, MemOperand(a0, OFFSET_OF(T, lwl_2)) ); |
| 877 | |
| 878 | __ lw(t3, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
| 879 | __ lwl(t3, MemOperand(a0, OFFSET_OF(T, mem_init) + 3) ); |
| 880 | __ sw(t3, MemOperand(a0, OFFSET_OF(T, lwl_3)) ); |
| 881 | |
| 882 | // Test all combinations of LWR and vAddr. |
| 883 | __ lw(t0, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
| 884 | __ lwr(t0, MemOperand(a0, OFFSET_OF(T, mem_init)) ); |
| 885 | __ sw(t0, MemOperand(a0, OFFSET_OF(T, lwr_0)) ); |
| 886 | |
| 887 | __ lw(t1, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
| 888 | __ lwr(t1, MemOperand(a0, OFFSET_OF(T, mem_init) + 1) ); |
| 889 | __ sw(t1, MemOperand(a0, OFFSET_OF(T, lwr_1)) ); |
| 890 | |
| 891 | __ lw(t2, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
| 892 | __ lwr(t2, MemOperand(a0, OFFSET_OF(T, mem_init) + 2) ); |
| 893 | __ sw(t2, MemOperand(a0, OFFSET_OF(T, lwr_2)) ); |
| 894 | |
| 895 | __ lw(t3, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
| 896 | __ lwr(t3, MemOperand(a0, OFFSET_OF(T, mem_init) + 3) ); |
| 897 | __ sw(t3, MemOperand(a0, OFFSET_OF(T, lwr_3)) ); |
| 898 | |
| 899 | // Test all combinations of SWL and vAddr. |
| 900 | __ lw(t0, MemOperand(a0, OFFSET_OF(T, mem_init)) ); |
| 901 | __ sw(t0, MemOperand(a0, OFFSET_OF(T, swl_0)) ); |
| 902 | __ lw(t0, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
| 903 | __ swl(t0, MemOperand(a0, OFFSET_OF(T, swl_0)) ); |
| 904 | |
| 905 | __ lw(t1, MemOperand(a0, OFFSET_OF(T, mem_init)) ); |
| 906 | __ sw(t1, MemOperand(a0, OFFSET_OF(T, swl_1)) ); |
| 907 | __ lw(t1, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
| 908 | __ swl(t1, MemOperand(a0, OFFSET_OF(T, swl_1) + 1) ); |
| 909 | |
| 910 | __ lw(t2, MemOperand(a0, OFFSET_OF(T, mem_init)) ); |
| 911 | __ sw(t2, MemOperand(a0, OFFSET_OF(T, swl_2)) ); |
| 912 | __ lw(t2, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
| 913 | __ swl(t2, MemOperand(a0, OFFSET_OF(T, swl_2) + 2) ); |
| 914 | |
| 915 | __ lw(t3, MemOperand(a0, OFFSET_OF(T, mem_init)) ); |
| 916 | __ sw(t3, MemOperand(a0, OFFSET_OF(T, swl_3)) ); |
| 917 | __ lw(t3, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
| 918 | __ swl(t3, MemOperand(a0, OFFSET_OF(T, swl_3) + 3) ); |
| 919 | |
| 920 | // Test all combinations of SWR and vAddr. |
| 921 | __ lw(t0, MemOperand(a0, OFFSET_OF(T, mem_init)) ); |
| 922 | __ sw(t0, MemOperand(a0, OFFSET_OF(T, swr_0)) ); |
| 923 | __ lw(t0, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
| 924 | __ swr(t0, MemOperand(a0, OFFSET_OF(T, swr_0)) ); |
| 925 | |
| 926 | __ lw(t1, MemOperand(a0, OFFSET_OF(T, mem_init)) ); |
| 927 | __ sw(t1, MemOperand(a0, OFFSET_OF(T, swr_1)) ); |
| 928 | __ lw(t1, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
| 929 | __ swr(t1, MemOperand(a0, OFFSET_OF(T, swr_1) + 1) ); |
| 930 | |
| 931 | __ lw(t2, MemOperand(a0, OFFSET_OF(T, mem_init)) ); |
| 932 | __ sw(t2, MemOperand(a0, OFFSET_OF(T, swr_2)) ); |
| 933 | __ lw(t2, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
| 934 | __ swr(t2, MemOperand(a0, OFFSET_OF(T, swr_2) + 2) ); |
| 935 | |
| 936 | __ lw(t3, MemOperand(a0, OFFSET_OF(T, mem_init)) ); |
| 937 | __ sw(t3, MemOperand(a0, OFFSET_OF(T, swr_3)) ); |
| 938 | __ lw(t3, MemOperand(a0, OFFSET_OF(T, reg_init)) ); |
| 939 | __ swr(t3, MemOperand(a0, OFFSET_OF(T, swr_3) + 3) ); |
| 940 | |
| 941 | __ jr(ra); |
| 942 | __ nop(); |
| 943 | |
| 944 | CodeDesc desc; |
| 945 | assm.GetCode(&desc); |
| 946 | Object* code = HEAP->CreateCode( |
| 947 | desc, |
| 948 | Code::ComputeFlags(Code::STUB), |
| 949 | Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
| 950 | CHECK(code->IsCode()); |
| 951 | F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
| 952 | t.reg_init = 0xaabbccdd; |
| 953 | t.mem_init = 0x11223344; |
| 954 | |
| 955 | Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
| 956 | USE(dummy); |
| 957 | |
| 958 | CHECK_EQ(0x44bbccdd, t.lwl_0); |
| 959 | CHECK_EQ(0x3344ccdd, t.lwl_1); |
| 960 | CHECK_EQ(0x223344dd, t.lwl_2); |
| 961 | CHECK_EQ(0x11223344, t.lwl_3); |
| 962 | |
| 963 | CHECK_EQ(0x11223344, t.lwr_0); |
| 964 | CHECK_EQ(0xaa112233, t.lwr_1); |
| 965 | CHECK_EQ(0xaabb1122, t.lwr_2); |
| 966 | CHECK_EQ(0xaabbcc11, t.lwr_3); |
| 967 | |
| 968 | CHECK_EQ(0x112233aa, t.swl_0); |
| 969 | CHECK_EQ(0x1122aabb, t.swl_1); |
| 970 | CHECK_EQ(0x11aabbcc, t.swl_2); |
| 971 | CHECK_EQ(0xaabbccdd, t.swl_3); |
| 972 | |
| 973 | CHECK_EQ(0xaabbccdd, t.swr_0); |
| 974 | CHECK_EQ(0xbbccdd44, t.swr_1); |
| 975 | CHECK_EQ(0xccdd3344, t.swr_2); |
| 976 | CHECK_EQ(0xdd223344, t.swr_3); |
| 977 | } |
| 978 | |
| 979 | |
| 980 | TEST(MIPS12) { |
| 981 | InitializeVM(); |
| 982 | v8::HandleScope scope; |
| 983 | |
| 984 | typedef struct { |
| 985 | int32_t x; |
| 986 | int32_t y; |
| 987 | int32_t y1; |
| 988 | int32_t y2; |
| 989 | int32_t y3; |
| 990 | int32_t y4; |
| 991 | } T; |
| 992 | T t; |
| 993 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 994 | MacroAssembler assm(Isolate::Current(), NULL, 0); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 995 | |
| 996 | __ mov(t6, fp); // Save frame pointer. |
| 997 | __ mov(fp, a0); // Access struct T by fp. |
| 998 | __ lw(t0, MemOperand(a0, OFFSET_OF(T, y)) ); |
| 999 | __ lw(t3, MemOperand(a0, OFFSET_OF(T, y4)) ); |
| 1000 | |
| 1001 | __ addu(t1, t0, t3); |
| 1002 | __ subu(t4, t0, t3); |
| 1003 | __ nop(); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1004 | __ push(t0); // These instructions disappear after opt. |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1005 | __ Pop(); |
| 1006 | __ addu(t0, t0, t0); |
| 1007 | __ nop(); |
| 1008 | __ Pop(); // These instructions disappear after opt. |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1009 | __ push(t3); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1010 | __ nop(); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1011 | __ push(t3); // These instructions disappear after opt. |
| 1012 | __ pop(t3); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1013 | __ nop(); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1014 | __ push(t3); |
| 1015 | __ pop(t4); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1016 | __ nop(); |
| 1017 | __ sw(t0, MemOperand(fp, OFFSET_OF(T, y)) ); |
| 1018 | __ lw(t0, MemOperand(fp, OFFSET_OF(T, y)) ); |
| 1019 | __ nop(); |
| 1020 | __ sw(t0, MemOperand(fp, OFFSET_OF(T, y)) ); |
| 1021 | __ lw(t1, MemOperand(fp, OFFSET_OF(T, y)) ); |
| 1022 | __ nop(); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1023 | __ push(t1); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1024 | __ lw(t1, MemOperand(fp, OFFSET_OF(T, y)) ); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1025 | __ pop(t1); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1026 | __ nop(); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1027 | __ push(t1); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1028 | __ lw(t2, MemOperand(fp, OFFSET_OF(T, y)) ); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1029 | __ pop(t1); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1030 | __ nop(); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1031 | __ push(t1); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1032 | __ lw(t2, MemOperand(fp, OFFSET_OF(T, y)) ); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1033 | __ pop(t2); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1034 | __ nop(); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1035 | __ push(t2); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1036 | __ lw(t2, MemOperand(fp, OFFSET_OF(T, y)) ); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1037 | __ pop(t1); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1038 | __ nop(); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1039 | __ push(t1); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1040 | __ lw(t2, MemOperand(fp, OFFSET_OF(T, y)) ); |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1041 | __ pop(t3); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1042 | __ nop(); |
| 1043 | |
| 1044 | __ mov(fp, t6); |
| 1045 | __ jr(ra); |
| 1046 | __ nop(); |
| 1047 | |
| 1048 | CodeDesc desc; |
| 1049 | assm.GetCode(&desc); |
| 1050 | Object* code = HEAP->CreateCode( |
| 1051 | desc, |
| 1052 | Code::ComputeFlags(Code::STUB), |
| 1053 | Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
| 1054 | CHECK(code->IsCode()); |
| 1055 | F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
| 1056 | t.x = 1; |
| 1057 | t.y = 2; |
| 1058 | t.y1 = 3; |
| 1059 | t.y2 = 4; |
| 1060 | t.y3 = 0XBABA; |
| 1061 | t.y4 = 0xDEDA; |
| 1062 | |
| 1063 | Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
| 1064 | USE(dummy); |
| 1065 | |
| 1066 | CHECK_EQ(3, t.y1); |
| 1067 | } |
| 1068 | |
| 1069 | |
| 1070 | TEST(MIPS13) { |
| 1071 | // Test Cvt_d_uw and Trunc_uw_d macros. |
| 1072 | InitializeVM(); |
| 1073 | v8::HandleScope scope; |
| 1074 | |
| 1075 | typedef struct { |
| 1076 | double cvt_big_out; |
| 1077 | double cvt_small_out; |
| 1078 | uint32_t trunc_big_out; |
| 1079 | uint32_t trunc_small_out; |
| 1080 | uint32_t cvt_big_in; |
| 1081 | uint32_t cvt_small_in; |
| 1082 | } T; |
| 1083 | T t; |
| 1084 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1085 | MacroAssembler assm(Isolate::Current(), NULL, 0); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1086 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1087 | if (CpuFeatures::IsSupported(FPU)) { |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1088 | CpuFeatures::Scope scope(FPU); |
| 1089 | |
| 1090 | __ sw(t0, MemOperand(a0, OFFSET_OF(T, cvt_small_in))); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 1091 | __ Cvt_d_uw(f10, t0, f22); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1092 | __ sdc1(f10, MemOperand(a0, OFFSET_OF(T, cvt_small_out))); |
| 1093 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 1094 | __ Trunc_uw_d(f10, f10, f22); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1095 | __ swc1(f10, MemOperand(a0, OFFSET_OF(T, trunc_small_out))); |
| 1096 | |
| 1097 | __ sw(t0, MemOperand(a0, OFFSET_OF(T, cvt_big_in))); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 1098 | __ Cvt_d_uw(f8, t0, f22); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1099 | __ sdc1(f8, MemOperand(a0, OFFSET_OF(T, cvt_big_out))); |
| 1100 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 1101 | __ Trunc_uw_d(f8, f8, f22); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1102 | __ swc1(f8, MemOperand(a0, OFFSET_OF(T, trunc_big_out))); |
| 1103 | |
| 1104 | __ jr(ra); |
| 1105 | __ nop(); |
| 1106 | |
| 1107 | CodeDesc desc; |
| 1108 | assm.GetCode(&desc); |
| 1109 | Object* code = HEAP->CreateCode( |
| 1110 | desc, |
| 1111 | Code::ComputeFlags(Code::STUB), |
| 1112 | Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
| 1113 | CHECK(code->IsCode()); |
| 1114 | F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
| 1115 | |
| 1116 | t.cvt_big_in = 0xFFFFFFFF; |
| 1117 | t.cvt_small_in = 333; |
| 1118 | |
| 1119 | Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
| 1120 | USE(dummy); |
| 1121 | |
| 1122 | CHECK_EQ(t.cvt_big_out, static_cast<double>(t.cvt_big_in)); |
| 1123 | CHECK_EQ(t.cvt_small_out, static_cast<double>(t.cvt_small_in)); |
| 1124 | |
| 1125 | CHECK_EQ(static_cast<int>(t.trunc_big_out), static_cast<int>(t.cvt_big_in)); |
| 1126 | CHECK_EQ(static_cast<int>(t.trunc_small_out), |
| 1127 | static_cast<int>(t.cvt_small_in)); |
| 1128 | } |
| 1129 | } |
| 1130 | |
| 1131 | |
| 1132 | TEST(MIPS14) { |
| 1133 | // Test round, floor, ceil, trunc, cvt. |
| 1134 | InitializeVM(); |
| 1135 | v8::HandleScope scope; |
| 1136 | |
| 1137 | #define ROUND_STRUCT_ELEMENT(x) \ |
| 1138 | int32_t x##_up_out; \ |
| 1139 | int32_t x##_down_out; \ |
| 1140 | int32_t neg_##x##_up_out; \ |
| 1141 | int32_t neg_##x##_down_out; \ |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1142 | uint32_t x##_err1_out; \ |
| 1143 | uint32_t x##_err2_out; \ |
| 1144 | uint32_t x##_err3_out; \ |
| 1145 | uint32_t x##_err4_out; \ |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1146 | int32_t x##_invalid_result; |
| 1147 | |
| 1148 | typedef struct { |
| 1149 | double round_up_in; |
| 1150 | double round_down_in; |
| 1151 | double neg_round_up_in; |
| 1152 | double neg_round_down_in; |
| 1153 | double err1_in; |
| 1154 | double err2_in; |
| 1155 | double err3_in; |
| 1156 | double err4_in; |
| 1157 | |
| 1158 | ROUND_STRUCT_ELEMENT(round) |
| 1159 | ROUND_STRUCT_ELEMENT(floor) |
| 1160 | ROUND_STRUCT_ELEMENT(ceil) |
| 1161 | ROUND_STRUCT_ELEMENT(trunc) |
| 1162 | ROUND_STRUCT_ELEMENT(cvt) |
| 1163 | } T; |
| 1164 | T t; |
| 1165 | |
| 1166 | #undef ROUND_STRUCT_ELEMENT |
| 1167 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1168 | MacroAssembler assm(Isolate::Current(), NULL, 0); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1169 | |
Ben Murdoch | 257744e | 2011-11-30 15:57:28 +0000 | [diff] [blame] | 1170 | if (CpuFeatures::IsSupported(FPU)) { |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1171 | CpuFeatures::Scope scope(FPU); |
| 1172 | |
| 1173 | // Save FCSR. |
| 1174 | __ cfc1(a1, FCSR); |
| 1175 | // Disable FPU exceptions. |
| 1176 | __ ctc1(zero_reg, FCSR); |
| 1177 | #define RUN_ROUND_TEST(x) \ |
| 1178 | __ ldc1(f0, MemOperand(a0, OFFSET_OF(T, round_up_in))); \ |
| 1179 | __ x##_w_d(f0, f0); \ |
| 1180 | __ swc1(f0, MemOperand(a0, OFFSET_OF(T, x##_up_out))); \ |
| 1181 | \ |
| 1182 | __ ldc1(f0, MemOperand(a0, OFFSET_OF(T, round_down_in))); \ |
| 1183 | __ x##_w_d(f0, f0); \ |
| 1184 | __ swc1(f0, MemOperand(a0, OFFSET_OF(T, x##_down_out))); \ |
| 1185 | \ |
| 1186 | __ ldc1(f0, MemOperand(a0, OFFSET_OF(T, neg_round_up_in))); \ |
| 1187 | __ x##_w_d(f0, f0); \ |
| 1188 | __ swc1(f0, MemOperand(a0, OFFSET_OF(T, neg_##x##_up_out))); \ |
| 1189 | \ |
| 1190 | __ ldc1(f0, MemOperand(a0, OFFSET_OF(T, neg_round_down_in))); \ |
| 1191 | __ x##_w_d(f0, f0); \ |
| 1192 | __ swc1(f0, MemOperand(a0, OFFSET_OF(T, neg_##x##_down_out))); \ |
| 1193 | \ |
| 1194 | __ ldc1(f0, MemOperand(a0, OFFSET_OF(T, err1_in))); \ |
| 1195 | __ ctc1(zero_reg, FCSR); \ |
| 1196 | __ x##_w_d(f0, f0); \ |
| 1197 | __ cfc1(a2, FCSR); \ |
| 1198 | __ sw(a2, MemOperand(a0, OFFSET_OF(T, x##_err1_out))); \ |
| 1199 | \ |
| 1200 | __ ldc1(f0, MemOperand(a0, OFFSET_OF(T, err2_in))); \ |
| 1201 | __ ctc1(zero_reg, FCSR); \ |
| 1202 | __ x##_w_d(f0, f0); \ |
| 1203 | __ cfc1(a2, FCSR); \ |
| 1204 | __ sw(a2, MemOperand(a0, OFFSET_OF(T, x##_err2_out))); \ |
| 1205 | \ |
| 1206 | __ ldc1(f0, MemOperand(a0, OFFSET_OF(T, err3_in))); \ |
| 1207 | __ ctc1(zero_reg, FCSR); \ |
| 1208 | __ x##_w_d(f0, f0); \ |
| 1209 | __ cfc1(a2, FCSR); \ |
| 1210 | __ sw(a2, MemOperand(a0, OFFSET_OF(T, x##_err3_out))); \ |
| 1211 | \ |
| 1212 | __ ldc1(f0, MemOperand(a0, OFFSET_OF(T, err4_in))); \ |
| 1213 | __ ctc1(zero_reg, FCSR); \ |
| 1214 | __ x##_w_d(f0, f0); \ |
| 1215 | __ cfc1(a2, FCSR); \ |
| 1216 | __ sw(a2, MemOperand(a0, OFFSET_OF(T, x##_err4_out))); \ |
| 1217 | __ swc1(f0, MemOperand(a0, OFFSET_OF(T, x##_invalid_result))); |
| 1218 | |
| 1219 | RUN_ROUND_TEST(round) |
| 1220 | RUN_ROUND_TEST(floor) |
| 1221 | RUN_ROUND_TEST(ceil) |
| 1222 | RUN_ROUND_TEST(trunc) |
| 1223 | RUN_ROUND_TEST(cvt) |
| 1224 | |
| 1225 | // Restore FCSR. |
| 1226 | __ ctc1(a1, FCSR); |
| 1227 | |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1228 | __ jr(ra); |
| 1229 | __ nop(); |
| 1230 | |
| 1231 | CodeDesc desc; |
| 1232 | assm.GetCode(&desc); |
| 1233 | Object* code = HEAP->CreateCode( |
| 1234 | desc, |
| 1235 | Code::ComputeFlags(Code::STUB), |
| 1236 | Handle<Object>(HEAP->undefined_value()))->ToObjectChecked(); |
| 1237 | CHECK(code->IsCode()); |
| 1238 | F3 f = FUNCTION_CAST<F3>(Code::cast(code)->entry()); |
| 1239 | |
| 1240 | t.round_up_in = 123.51; |
| 1241 | t.round_down_in = 123.49; |
| 1242 | t.neg_round_up_in = -123.5; |
| 1243 | t.neg_round_down_in = -123.49; |
| 1244 | t.err1_in = 123.51; |
| 1245 | t.err2_in = 1; |
| 1246 | t.err3_in = static_cast<double>(1) + 0xFFFFFFFF; |
| 1247 | t.err4_in = NAN; |
| 1248 | |
| 1249 | Object* dummy = CALL_GENERATED_CODE(f, &t, 0, 0, 0, 0); |
| 1250 | USE(dummy); |
| 1251 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1252 | #define GET_FPU_ERR(x) (static_cast<int>(x & kFCSRFlagMask)) |
| 1253 | #define CHECK_ROUND_RESULT(type) \ |
| 1254 | CHECK(GET_FPU_ERR(t.type##_err1_out) & kFCSRInexactFlagMask); \ |
| 1255 | CHECK_EQ(0, GET_FPU_ERR(t.type##_err2_out)); \ |
| 1256 | CHECK(GET_FPU_ERR(t.type##_err3_out) & kFCSRInvalidOpFlagMask); \ |
| 1257 | CHECK(GET_FPU_ERR(t.type##_err4_out) & kFCSRInvalidOpFlagMask); \ |
| 1258 | CHECK_EQ(kFPUInvalidResult, t.type##_invalid_result); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1259 | |
Ben Murdoch | 3fb3ca8 | 2011-12-02 17:19:32 +0000 | [diff] [blame] | 1260 | CHECK_ROUND_RESULT(round); |
| 1261 | CHECK_ROUND_RESULT(floor); |
| 1262 | CHECK_ROUND_RESULT(ceil); |
| 1263 | CHECK_ROUND_RESULT(cvt); |
Steve Block | 44f0eee | 2011-05-26 01:26:41 +0100 | [diff] [blame] | 1264 | } |
| 1265 | } |
| 1266 | |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 1267 | |
| 1268 | TEST(MIPS15) { |
| 1269 | // Test chaining of label usages within instructions (issue 1644). |
| 1270 | InitializeVM(); |
| 1271 | v8::HandleScope scope; |
| 1272 | Assembler assm(Isolate::Current(), NULL, 0); |
| 1273 | |
| 1274 | Label target; |
| 1275 | __ beq(v0, v1, &target); |
Ben Murdoch | 589d697 | 2011-11-30 16:04:58 +0000 | [diff] [blame] | 1276 | __ nop(); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 1277 | __ bne(v0, v1, &target); |
Ben Murdoch | 589d697 | 2011-11-30 16:04:58 +0000 | [diff] [blame] | 1278 | __ nop(); |
Ben Murdoch | 69a99ed | 2011-11-30 16:03:39 +0000 | [diff] [blame] | 1279 | __ bind(&target); |
| 1280 | __ nop(); |
| 1281 | } |
| 1282 | |
Andrei Popescu | 402d937 | 2010-02-26 13:31:12 +0000 | [diff] [blame] | 1283 | #undef __ |