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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/code-generator.h" | 5 #include "src/compiler/code-generator.h" |
| 6 | 6 |
| 7 #include "src/arm/macro-assembler-arm.h" | 7 #include "src/arm/macro-assembler-arm.h" |
| 8 #include "src/ast/scopes.h" | 8 #include "src/ast/scopes.h" |
| 9 #include "src/compiler/code-generator-impl.h" | 9 #include "src/compiler/code-generator-impl.h" |
| 10 #include "src/compiler/gap-resolver.h" | 10 #include "src/compiler/gap-resolver.h" |
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| 1552 __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY); | 1552 __ Call(deopt_entry, RelocInfo::RUNTIME_ENTRY); |
| 1553 __ CheckConstPool(false, false); | 1553 __ CheckConstPool(false, false); |
| 1554 return kSuccess; | 1554 return kSuccess; |
| 1555 } | 1555 } |
| 1556 | 1556 |
| 1557 void CodeGenerator::FinishFrame(Frame* frame) { | 1557 void CodeGenerator::FinishFrame(Frame* frame) { |
| 1558 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); | 1558 CallDescriptor* descriptor = linkage()->GetIncomingDescriptor(); |
| 1559 | 1559 |
| 1560 const RegList saves_fp = descriptor->CalleeSavedFPRegisters(); | 1560 const RegList saves_fp = descriptor->CalleeSavedFPRegisters(); |
| 1561 if (saves_fp != 0) { | 1561 if (saves_fp != 0) { |
| 1562 frame->AlignSavedCalleeRegisterSlots(); | 1562 frame->AlignFrame(); |
| 1563 } | |
| 1564 | |
| 1565 if (saves_fp != 0) { | |
| 1566 // Save callee-saved FP registers. | 1563 // Save callee-saved FP registers. |
| 1567 STATIC_ASSERT(DwVfpRegister::kMaxNumRegisters == 32); | 1564 STATIC_ASSERT(DwVfpRegister::kMaxNumRegisters == 32); |
| 1568 uint32_t last = base::bits::CountLeadingZeros32(saves_fp) - 1; | 1565 uint32_t last = base::bits::CountLeadingZeros32(saves_fp) - 1; |
| 1569 uint32_t first = base::bits::CountTrailingZeros32(saves_fp); | 1566 uint32_t first = base::bits::CountTrailingZeros32(saves_fp); |
| 1570 DCHECK_EQ((last - first + 1), base::bits::CountPopulation32(saves_fp)); | 1567 DCHECK_EQ((last - first + 1), base::bits::CountPopulation32(saves_fp)); |
| 1571 frame->AllocateSavedCalleeRegisterSlots((last - first + 1) * | 1568 frame->AllocateSavedCalleeRegisterSlots((last - first + 1) * |
| 1572 (kDoubleSize / kPointerSize)); | 1569 (kDoubleSize / kPointerSize)); |
| 1573 } | 1570 } |
| 1574 const RegList saves = FLAG_enable_embedded_constant_pool | 1571 const RegList saves = FLAG_enable_embedded_constant_pool |
| 1575 ? (descriptor->CalleeSavedRegisters() & ~pp.bit()) | 1572 ? (descriptor->CalleeSavedRegisters() & ~pp.bit()) |
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| 1937 padding_size -= v8::internal::Assembler::kInstrSize; | 1934 padding_size -= v8::internal::Assembler::kInstrSize; |
| 1938 } | 1935 } |
| 1939 } | 1936 } |
| 1940 } | 1937 } |
| 1941 | 1938 |
| 1942 #undef __ | 1939 #undef __ |
| 1943 | 1940 |
| 1944 } // namespace compiler | 1941 } // namespace compiler |
| 1945 } // namespace internal | 1942 } // namespace internal |
| 1946 } // namespace v8 | 1943 } // namespace v8 |
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