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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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