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Issue 484103002: [turbofan] Add TruncateFloat64ToInt32 machine operator. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Disable test-run-machops/RunTruncateFloat64ToInt32P on arm64. Created 6 years, 4 months ago
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1 // Copyright 2014 the V8 project authors. All rights reserved. 1 // Copyright 2014 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #include "src/compiler/change-lowering.h" 5 #include "src/compiler/change-lowering.h"
6 #include "src/compiler/js-graph.h" 6 #include "src/compiler/js-graph.h"
7 #include "src/compiler/node-properties-inl.h" 7 #include "src/compiler/node-properties-inl.h"
8 #include "src/compiler/simplified-operator.h" 8 #include "src/compiler/simplified-operator.h"
9 #include "src/compiler/typer.h" 9 #include "src/compiler/typer.h"
10 #include "test/compiler-unittests/graph-unittest.h" 10 #include "test/compiler-unittests/graph-unittest.h"
(...skipping 245 matching lines...) Expand 10 before | Expand all | Expand 10 after
256 256
257 Node* val = Parameter(0); 257 Node* val = Parameter(0);
258 Node* node = graph()->NewNode(simplified()->ChangeTaggedToInt32(), val); 258 Node* node = graph()->NewNode(simplified()->ChangeTaggedToInt32(), val);
259 Reduction reduction = Reduce(node); 259 Reduction reduction = Reduce(node);
260 ASSERT_TRUE(reduction.Changed()); 260 ASSERT_TRUE(reduction.Changed());
261 261
262 Node* phi = reduction.replacement(); 262 Node* phi = reduction.replacement();
263 Capture<Node*> branch, if_true; 263 Capture<Node*> branch, if_true;
264 EXPECT_THAT( 264 EXPECT_THAT(
265 phi, 265 phi,
266 IsPhi(IsChangeFloat64ToInt32(IsLoad( 266 IsPhi(IsTruncateFloat64ToInt32(IsLoad(
267 kMachFloat64, val, IsInt32Constant(HeapNumberValueOffset()), 267 kMachFloat64, val, IsInt32Constant(HeapNumberValueOffset()),
268 IsControlEffect(CaptureEq(&if_true)))), 268 IsControlEffect(CaptureEq(&if_true)))),
269 IsWord32Sar(val, IsInt32Constant(SmiShiftAmount())), 269 IsWord32Sar(val, IsInt32Constant(SmiShiftAmount())),
270 IsMerge(AllOf(CaptureEq(&if_true), IsIfTrue(CaptureEq(&branch))), 270 IsMerge(AllOf(CaptureEq(&if_true), IsIfTrue(CaptureEq(&branch))),
271 IsIfFalse(AllOf( 271 IsIfFalse(AllOf(
272 CaptureEq(&branch), 272 CaptureEq(&branch),
273 IsBranch(IsWord32And(val, IsInt32Constant(kSmiTagMask)), 273 IsBranch(IsWord32And(val, IsInt32Constant(kSmiTagMask)),
274 graph()->start())))))); 274 graph()->start()))))));
275 } 275 }
276 276
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334 334
335 Node* val = Parameter(0); 335 Node* val = Parameter(0);
336 Node* node = graph()->NewNode(simplified()->ChangeTaggedToInt32(), val); 336 Node* node = graph()->NewNode(simplified()->ChangeTaggedToInt32(), val);
337 Reduction reduction = Reduce(node); 337 Reduction reduction = Reduce(node);
338 ASSERT_TRUE(reduction.Changed()); 338 ASSERT_TRUE(reduction.Changed());
339 339
340 Node* phi = reduction.replacement(); 340 Node* phi = reduction.replacement();
341 Capture<Node*> branch, if_true; 341 Capture<Node*> branch, if_true;
342 EXPECT_THAT( 342 EXPECT_THAT(
343 phi, 343 phi,
344 IsPhi(IsChangeFloat64ToInt32(IsLoad( 344 IsPhi(IsTruncateFloat64ToInt32(IsLoad(
345 kMachFloat64, val, IsInt32Constant(HeapNumberValueOffset()), 345 kMachFloat64, val, IsInt32Constant(HeapNumberValueOffset()),
346 IsControlEffect(CaptureEq(&if_true)))), 346 IsControlEffect(CaptureEq(&if_true)))),
347 IsTruncateInt64ToInt32( 347 IsTruncateInt64ToInt32(
348 IsWord64Sar(val, IsInt32Constant(SmiShiftAmount()))), 348 IsWord64Sar(val, IsInt32Constant(SmiShiftAmount()))),
349 IsMerge(AllOf(CaptureEq(&if_true), IsIfTrue(CaptureEq(&branch))), 349 IsMerge(AllOf(CaptureEq(&if_true), IsIfTrue(CaptureEq(&branch))),
350 IsIfFalse(AllOf( 350 IsIfFalse(AllOf(
351 CaptureEq(&branch), 351 CaptureEq(&branch),
352 IsBranch(IsWord64And(val, IsInt32Constant(kSmiTagMask)), 352 IsBranch(IsWord64And(val, IsInt32Constant(kSmiTagMask)),
353 graph()->start())))))); 353 graph()->start()))))));
354 } 354 }
355 355
356 } // namespace compiler 356 } // namespace compiler
357 } // namespace internal 357 } // namespace internal
358 } // namespace v8 358 } // namespace v8
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