Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(29)

Side by Side Diff: src/compiler/frame.h

Issue 727733002: [turbofan] refactor pipeline to use hydrogen like Run calls (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: rebase Created 6 years, 1 month ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « src/compiler/ast-graph-builder.h ('k') | src/compiler/instruction.h » ('j') | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
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 #ifndef V8_COMPILER_FRAME_H_ 5 #ifndef V8_COMPILER_FRAME_H_
6 #define V8_COMPILER_FRAME_H_ 6 #define V8_COMPILER_FRAME_H_
7 7
8 #include "src/v8.h" 8 #include "src/v8.h"
9 9
10 #include "src/bit-vector.h" 10 #include "src/bit-vector.h"
11 11
12 namespace v8 { 12 namespace v8 {
13 namespace internal { 13 namespace internal {
14 namespace compiler { 14 namespace compiler {
15 15
16 // Collects the spill slot requirements and the allocated general and double 16 // Collects the spill slot requirements and the allocated general and double
17 // registers for a compiled function. Frames are usually populated by the 17 // registers for a compiled function. Frames are usually populated by the
18 // register allocator and are used by Linkage to generate code for the prologue 18 // register allocator and are used by Linkage to generate code for the prologue
19 // and epilogue to compiled code. 19 // and epilogue to compiled code.
20 class Frame { 20 class Frame : public ZoneObject {
21 public: 21 public:
22 Frame() 22 Frame()
23 : register_save_area_size_(0), 23 : register_save_area_size_(0),
24 spill_slot_count_(0), 24 spill_slot_count_(0),
25 double_spill_slot_count_(0), 25 double_spill_slot_count_(0),
26 allocated_registers_(NULL), 26 allocated_registers_(NULL),
27 allocated_double_registers_(NULL) {} 27 allocated_double_registers_(NULL) {}
28 28
29 inline int GetSpillSlotCount() { return spill_slot_count_; } 29 inline int GetSpillSlotCount() { return spill_slot_count_; }
30 inline int GetDoubleSpillSlotCount() { return double_spill_slot_count_; } 30 inline int GetDoubleSpillSlotCount() { return double_spill_slot_count_; }
(...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after
62 } 62 }
63 return spill_slot_count_++; 63 return spill_slot_count_++;
64 } 64 }
65 65
66 private: 66 private:
67 int register_save_area_size_; 67 int register_save_area_size_;
68 int spill_slot_count_; 68 int spill_slot_count_;
69 int double_spill_slot_count_; 69 int double_spill_slot_count_;
70 BitVector* allocated_registers_; 70 BitVector* allocated_registers_;
71 BitVector* allocated_double_registers_; 71 BitVector* allocated_double_registers_;
72
73 DISALLOW_COPY_AND_ASSIGN(Frame);
72 }; 74 };
73 75
74 76
75 // Represents an offset from either the stack pointer or frame pointer. 77 // Represents an offset from either the stack pointer or frame pointer.
76 class FrameOffset { 78 class FrameOffset {
77 public: 79 public:
78 inline bool from_stack_pointer() { return (offset_ & 1) == kFromSp; } 80 inline bool from_stack_pointer() { return (offset_ & 1) == kFromSp; }
79 inline bool from_frame_pointer() { return (offset_ & 1) == kFromFp; } 81 inline bool from_frame_pointer() { return (offset_ & 1) == kFromFp; }
80 inline int offset() { return offset_ & ~1; } 82 inline int offset() { return offset_ & ~1; }
81 83
(...skipping 13 matching lines...) Expand all
95 int offset_; // Encodes SP or FP in the low order bit. 97 int offset_; // Encodes SP or FP in the low order bit.
96 98
97 static const int kFromSp = 1; 99 static const int kFromSp = 1;
98 static const int kFromFp = 0; 100 static const int kFromFp = 0;
99 }; 101 };
100 } 102 }
101 } 103 }
102 } // namespace v8::internal::compiler 104 } // namespace v8::internal::compiler
103 105
104 #endif // V8_COMPILER_FRAME_H_ 106 #endif // V8_COMPILER_FRAME_H_
OLDNEW
« no previous file with comments | « src/compiler/ast-graph-builder.h ('k') | src/compiler/instruction.h » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698