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Issue 2311203002: Move kMaxRegularHeapObjectSize into globals (Closed)
Patch Set: Saving the file helps... Created 4 years, 3 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 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 <limits.h> // For LONG_MIN, LONG_MAX. 5 #include <limits.h> // For LONG_MIN, LONG_MAX.
6 6
7 #if V8_TARGET_ARCH_MIPS64 7 #if V8_TARGET_ARCH_MIPS64
8 8
9 #include "src/base/division-by-constant.h" 9 #include "src/base/division-by-constant.h"
10 #include "src/bootstrapper.h" 10 #include "src/bootstrapper.h"
(...skipping 4353 matching lines...) Expand 10 before | Expand all | Expand 10 after
4364 sd(a1, MemOperand(at)); 4364 sd(a1, MemOperand(at));
4365 } 4365 }
4366 4366
4367 4367
4368 void MacroAssembler::Allocate(int object_size, 4368 void MacroAssembler::Allocate(int object_size,
4369 Register result, 4369 Register result,
4370 Register scratch1, 4370 Register scratch1,
4371 Register scratch2, 4371 Register scratch2,
4372 Label* gc_required, 4372 Label* gc_required,
4373 AllocationFlags flags) { 4373 AllocationFlags flags) {
4374 DCHECK(object_size <= Page::kMaxRegularHeapObjectSize); 4374 DCHECK(object_size <= kMaxRegularHeapObjectSize);
4375 if (!FLAG_inline_new) { 4375 if (!FLAG_inline_new) {
4376 if (emit_debug_code()) { 4376 if (emit_debug_code()) {
4377 // Trash the registers to simulate an allocation failure. 4377 // Trash the registers to simulate an allocation failure.
4378 li(result, 0x7091); 4378 li(result, 0x7091);
4379 li(scratch1, 0x7191); 4379 li(scratch1, 0x7191);
4380 li(scratch2, 0x7291); 4380 li(scratch2, 0x7291);
4381 } 4381 }
4382 jmp(gc_required); 4382 jmp(gc_required);
4383 return; 4383 return;
4384 } 4384 }
(...skipping 143 matching lines...) Expand 10 before | Expand all | Expand 10 after
4528 sd(result_end, MemOperand(top_address)); 4528 sd(result_end, MemOperand(top_address));
4529 } 4529 }
4530 4530
4531 // Tag object if. 4531 // Tag object if.
4532 Daddu(result, result, Operand(kHeapObjectTag)); 4532 Daddu(result, result, Operand(kHeapObjectTag));
4533 } 4533 }
4534 4534
4535 void MacroAssembler::FastAllocate(int object_size, Register result, 4535 void MacroAssembler::FastAllocate(int object_size, Register result,
4536 Register scratch1, Register scratch2, 4536 Register scratch1, Register scratch2,
4537 AllocationFlags flags) { 4537 AllocationFlags flags) {
4538 DCHECK(object_size <= Page::kMaxRegularHeapObjectSize); 4538 DCHECK(object_size <= kMaxRegularHeapObjectSize);
4539 DCHECK(!AreAliased(result, scratch1, scratch2, at)); 4539 DCHECK(!AreAliased(result, scratch1, scratch2, at));
4540 4540
4541 // Make object size into bytes. 4541 // Make object size into bytes.
4542 if ((flags & SIZE_IN_WORDS) != 0) { 4542 if ((flags & SIZE_IN_WORDS) != 0) {
4543 object_size *= kPointerSize; 4543 object_size *= kPointerSize;
4544 } 4544 }
4545 DCHECK(0 == (object_size & kObjectAlignmentMask)); 4545 DCHECK(0 == (object_size & kObjectAlignmentMask));
4546 4546
4547 ExternalReference allocation_top = 4547 ExternalReference allocation_top =
4548 AllocationUtils::GetAllocationTopReference(isolate(), flags); 4548 AllocationUtils::GetAllocationTopReference(isolate(), flags);
(...skipping 2858 matching lines...) Expand 10 before | Expand all | Expand 10 after
7407 if (mag.shift > 0) sra(result, result, mag.shift); 7407 if (mag.shift > 0) sra(result, result, mag.shift);
7408 srl(at, dividend, 31); 7408 srl(at, dividend, 31);
7409 Addu(result, result, Operand(at)); 7409 Addu(result, result, Operand(at));
7410 } 7410 }
7411 7411
7412 7412
7413 } // namespace internal 7413 } // namespace internal
7414 } // namespace v8 7414 } // namespace v8
7415 7415
7416 #endif // V8_TARGET_ARCH_MIPS64 7416 #endif // V8_TARGET_ARCH_MIPS64
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