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Side by Side Diff: runtime/vm/assembler_x64_test.cc

Issue 2132933003: VM: Remove collection of unused range feedback. (Closed) Base URL: git@github.com:dart-lang/sdk.git@master
Patch Set: remove comment Created 4 years, 5 months ago
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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"
(...skipping 3571 matching lines...) Expand 10 before | Expand all | Expand 10 after
3582 3582
3583 ASSEMBLER_TEST_RUN(ConditionalMovesNoOverflow, test) { 3583 ASSEMBLER_TEST_RUN(ConditionalMovesNoOverflow, test) {
3584 typedef int (*ConditionalMovesNoOverflowCode)(int64_t i, int64_t j); 3584 typedef int (*ConditionalMovesNoOverflowCode)(int64_t i, int64_t j);
3585 int res = reinterpret_cast<ConditionalMovesNoOverflowCode>( 3585 int res = reinterpret_cast<ConditionalMovesNoOverflowCode>(
3586 test->entry())(0x7fffffffffffffff, 2); 3586 test->entry())(0x7fffffffffffffff, 2);
3587 EXPECT_EQ(1, res); 3587 EXPECT_EQ(1, res);
3588 res = reinterpret_cast<ConditionalMovesNoOverflowCode>(test->entry())(1, 1); 3588 res = reinterpret_cast<ConditionalMovesNoOverflowCode>(test->entry())(1, 1);
3589 EXPECT_EQ(0, res); 3589 EXPECT_EQ(0, res);
3590 } 3590 }
3591 3591
3592
3593 ASSEMBLER_TEST_GENERATE(ComputeRange, assembler) {
3594 Label miss;
3595 __ movq(RDX, CallingConventions::kArg1Reg);
3596 __ ComputeRange(RAX, RDX, &miss);
3597 __ ret();
3598
3599 __ Bind(&miss);
3600 __ movq(RAX, Immediate(0));
3601 __ ret();
3602 }
3603
3604
3605 ASSEMBLER_TEST_RUN(ComputeRange, test) {
3606 typedef intptr_t (*ComputeRange)(RawObject*);
3607 ComputeRange range_of = reinterpret_cast<ComputeRange>(test->entry());
3608
3609 EXPECT_EQ(ICData::kInt32RangeBit, range_of(Smi::New(0)));
3610 EXPECT_EQ(ICData::kInt32RangeBit, range_of(Smi::New(1)));
3611 EXPECT_EQ(ICData::kInt32RangeBit, range_of(Smi::New(kMaxInt32)));
3612 EXPECT_EQ(ICData::kInt32RangeBit | ICData::kSignedRangeBit,
3613 range_of(Smi::New(-1)));
3614 EXPECT_EQ(ICData::kInt32RangeBit | ICData::kSignedRangeBit,
3615 range_of(Smi::New(kMinInt32)));
3616
3617 EXPECT_EQ(ICData::kUint32RangeBit,
3618 range_of(Smi::New(static_cast<int64_t>(kMaxInt32) + 1)));
3619 EXPECT_EQ(ICData::kUint32RangeBit,
3620 range_of(Smi::New(kMaxUint32)));
3621
3622 // On 64-bit platforms we don't track the sign of the smis outside of
3623 // int32 range because it is not needed to distinguish kInt32Range from
3624 // kUint32Range.
3625 EXPECT_EQ(ICData::kSignedRangeBit,
3626 range_of(Smi::New(static_cast<int64_t>(kMinInt32) - 1)));
3627 EXPECT_EQ(ICData::kSignedRangeBit,
3628 range_of(Smi::New(static_cast<int64_t>(kMaxUint32) + 1)));
3629 EXPECT_EQ(ICData::kSignedRangeBit, range_of(Smi::New(Smi::kMaxValue)));
3630 EXPECT_EQ(ICData::kSignedRangeBit, range_of(Smi::New(Smi::kMinValue)));
3631
3632 EXPECT_EQ(ICData::kInt64RangeBit, range_of(Integer::New(Smi::kMaxValue + 1)));
3633 EXPECT_EQ(ICData::kInt64RangeBit, range_of(Integer::New(Smi::kMinValue - 1)));
3634 EXPECT_EQ(ICData::kInt64RangeBit, range_of(Integer::New(kMaxInt64)));
3635 EXPECT_EQ(ICData::kInt64RangeBit, range_of(Integer::New(kMinInt64)));
3636
3637 EXPECT_EQ(0, range_of(Bool::True().raw()));
3638 }
3639
3640
3641 } // namespace dart 3592 } // namespace dart
3642 3593
3643 #endif // defined TARGET_ARCH_X64 3594 #endif // defined TARGET_ARCH_X64
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