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Issue 2082263002: [turbofan]: Support using push instructions for setting up tail call parameters (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Fix comments Created 4 years, 5 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/ast/scopes.h" 5 #include "src/ast/scopes.h"
6 #include "src/code-stubs.h" 6 #include "src/code-stubs.h"
7 #include "src/compiler.h" 7 #include "src/compiler.h"
8 #include "src/compiler/common-operator.h" 8 #include "src/compiler/common-operator.h"
9 #include "src/compiler/frame.h" 9 #include "src/compiler/frame.h"
10 #include "src/compiler/linkage.h" 10 #include "src/compiler/linkage.h"
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90 int* stack_param_delta) const { 90 int* stack_param_delta) const {
91 CallDescriptor const* other = CallDescriptorOf(node->op()); 91 CallDescriptor const* other = CallDescriptorOf(node->op());
92 size_t current_input = 0; 92 size_t current_input = 0;
93 size_t other_input = 0; 93 size_t other_input = 0;
94 *stack_param_delta = 0; 94 *stack_param_delta = 0;
95 bool more_other = true; 95 bool more_other = true;
96 bool more_this = true; 96 bool more_this = true;
97 while (more_other || more_this) { 97 while (more_other || more_this) {
98 if (other_input < other->InputCount()) { 98 if (other_input < other->InputCount()) {
99 if (!other->GetInputLocation(other_input).IsRegister()) { 99 if (!other->GetInputLocation(other_input).IsRegister()) {
100 (*stack_param_delta)--; 100 (*stack_param_delta)++;
101 } 101 }
102 } else { 102 } else {
103 more_other = false; 103 more_other = false;
104 } 104 }
105 if (current_input < InputCount()) { 105 if (current_input < InputCount()) {
106 if (!GetInputLocation(current_input).IsRegister()) { 106 if (!GetInputLocation(current_input).IsRegister()) {
107 (*stack_param_delta)++; 107 (*stack_param_delta)--;
108 } 108 }
109 } else { 109 } else {
110 more_this = false; 110 more_this = false;
111 } 111 }
112 ++current_input; 112 ++current_input;
113 ++other_input; 113 ++other_input;
114 } 114 }
115 return HasSameReturnLocationsAs(CallDescriptorOf(node->op())); 115 return HasSameReturnLocationsAs(CallDescriptorOf(node->op()));
116 } 116 }
117 117
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517 } else { 517 } else {
518 DCHECK(loc == regloc(kContextRegister)); 518 DCHECK(loc == regloc(kContextRegister));
519 return LinkageLocation::ForCalleeFrameSlot(Frame::kContextSlot); 519 return LinkageLocation::ForCalleeFrameSlot(Frame::kContextSlot);
520 } 520 }
521 } 521 }
522 522
523 523
524 } // namespace compiler 524 } // namespace compiler
525 } // namespace internal 525 } // namespace internal
526 } // namespace v8 526 } // namespace v8
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