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1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file | 1 // Copyright (c) 2012, the Dart project authors. Please see the AUTHORS file |
2 // for details. All rights reserved. Use of this source code is governed by a | 2 // for details. All rights reserved. Use of this source code is governed by a |
3 // BSD-style license that can be found in the LICENSE file. | 3 // BSD-style license that can be found in the LICENSE file. |
4 | 4 |
5 #include "vm/globals.h" | 5 #include "vm/globals.h" |
6 #if defined(TARGET_ARCH_X64) | 6 #if defined(TARGET_ARCH_X64) |
7 | 7 |
8 #include "vm/assembler.h" | 8 #include "vm/assembler.h" |
9 #include "vm/os.h" | 9 #include "vm/os.h" |
10 #include "vm/unit_test.h" | 10 #include "vm/unit_test.h" |
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1382 __ shlq(RDX, RCX); // RDX = 0xff00000000000000 << 2 == 0xfc00000000000000 | 1382 __ shlq(RDX, RCX); // RDX = 0xff00000000000000 << 2 == 0xfc00000000000000 |
1383 __ shldq(RDX, RAX, Immediate(2)); | 1383 __ shldq(RDX, RAX, Immediate(2)); |
1384 // RDX = high64(0xfc00000000000000:0xffffffffffffffff << 2) | 1384 // RDX = high64(0xfc00000000000000:0xffffffffffffffff << 2) |
1385 // == 0xf000000000000003 | 1385 // == 0xf000000000000003 |
1386 __ cmpq(RDX, Immediate(shifted)); | 1386 __ cmpq(RDX, Immediate(shifted)); |
1387 __ j(EQUAL, &donetest15b); | 1387 __ j(EQUAL, &donetest15b); |
1388 __ int3(); | 1388 __ int3(); |
1389 __ Bind(&donetest15b); | 1389 __ Bind(&donetest15b); |
1390 } | 1390 } |
1391 | 1391 |
| 1392 { |
| 1393 Label donetest15c; |
| 1394 const int64_t left = 0xff00000000000000; |
| 1395 const int64_t right = 0xffffffffffffffff; |
| 1396 const int64_t shifted = 0xf000000000000003; |
| 1397 __ movq(RDX, Immediate(left)); |
| 1398 __ movq(RAX, Immediate(right)); |
| 1399 __ movq(RCX, Immediate(2)); |
| 1400 __ shlq(RDX, RCX); // RDX = 0xff00000000000000 << 2 == 0xfc00000000000000 |
| 1401 __ shldq(RDX, RAX, RCX); |
| 1402 // RDX = high64(0xfc00000000000000:0xffffffffffffffff << 2) |
| 1403 // == 0xf000000000000003 |
| 1404 __ cmpq(RDX, Immediate(shifted)); |
| 1405 __ j(EQUAL, &donetest15c); |
| 1406 __ int3(); |
| 1407 __ Bind(&donetest15c); |
| 1408 } |
| 1409 |
| 1410 { |
| 1411 Label donetest15d; |
| 1412 const int64_t left = 0xff00000000000000; |
| 1413 const int64_t right = 0xffffffffffffffff; |
| 1414 const int64_t shifted = 0xcff0000000000000; |
| 1415 __ movq(RDX, Immediate(left)); |
| 1416 __ movq(RAX, Immediate(right)); |
| 1417 __ movq(RCX, Immediate(2)); |
| 1418 __ shrq(RDX, RCX); // RDX = 0xff00000000000000 >> 2 == 0x3fc0000000000000 |
| 1419 __ shrdq(RDX, RAX, RCX); |
| 1420 // RDX = low64(0xffffffffffffffff:0x3fc0000000000000 >> 2) |
| 1421 // == 0xcff0000000000000 |
| 1422 __ cmpq(RDX, Immediate(shifted)); |
| 1423 __ j(EQUAL, &donetest15d); |
| 1424 __ int3(); |
| 1425 __ Bind(&donetest15d); |
| 1426 } |
| 1427 |
1392 __ movl(RAX, Immediate(0)); | 1428 __ movl(RAX, Immediate(0)); |
1393 __ ret(); | 1429 __ ret(); |
1394 } | 1430 } |
1395 | 1431 |
1396 | 1432 |
1397 ASSEMBLER_TEST_RUN(LogicalOps, test) { | 1433 ASSEMBLER_TEST_RUN(LogicalOps, test) { |
1398 typedef int (*LogicalOpsCode)(); | 1434 typedef int (*LogicalOpsCode)(); |
1399 EXPECT_EQ(0, reinterpret_cast<LogicalOpsCode>(test->entry())()); | 1435 EXPECT_EQ(0, reinterpret_cast<LogicalOpsCode>(test->entry())()); |
1400 } | 1436 } |
1401 | 1437 |
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3603 EXPECT_EQ(ICData::kInt64RangeBit, range_of(Integer::New(kMaxInt64))); | 3639 EXPECT_EQ(ICData::kInt64RangeBit, range_of(Integer::New(kMaxInt64))); |
3604 EXPECT_EQ(ICData::kInt64RangeBit, range_of(Integer::New(kMinInt64))); | 3640 EXPECT_EQ(ICData::kInt64RangeBit, range_of(Integer::New(kMinInt64))); |
3605 | 3641 |
3606 EXPECT_EQ(0, range_of(Bool::True().raw())); | 3642 EXPECT_EQ(0, range_of(Bool::True().raw())); |
3607 } | 3643 } |
3608 | 3644 |
3609 | 3645 |
3610 } // namespace dart | 3646 } // namespace dart |
3611 | 3647 |
3612 #endif // defined TARGET_ARCH_X64 | 3648 #endif // defined TARGET_ARCH_X64 |
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