Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(2)

Side by Side Diff: src/ic/mips64/stub-cache-mips64.cc

Issue 1883533003: Don't use the keyed slow stub for named handlers. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Created 4 years, 8 months 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/ic/mips64/ic-mips64.cc ('k') | src/ic/ppc/ic-ppc.cc » ('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 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 #if V8_TARGET_ARCH_MIPS64 5 #if V8_TARGET_ARCH_MIPS64
6 6
7 #include "src/codegen.h" 7 #include "src/codegen.h"
8 #include "src/ic/ic.h" 8 #include "src/ic/ic.h"
9 #include "src/ic/stub-cache.h" 9 #include "src/ic/stub-cache.h"
10 #include "src/interface-descriptors.h" 10 #include "src/interface-descriptors.h"
11 11
12 namespace v8 { 12 namespace v8 {
13 namespace internal { 13 namespace internal {
14 14
15 #define __ ACCESS_MASM(masm) 15 #define __ ACCESS_MASM(masm)
16 16
17
18 static void ProbeTable(Isolate* isolate, MacroAssembler* masm, 17 static void ProbeTable(Isolate* isolate, MacroAssembler* masm,
19 Code::Kind ic_kind, Code::Flags flags, 18 Code::Flags flags, StubCache::Table table,
20 StubCache::Table table, Register receiver, Register name, 19 Register receiver, Register name,
21 // Number of the cache entry, not scaled. 20 // Number of the cache entry, not scaled.
22 Register offset, Register scratch, Register scratch2, 21 Register offset, Register scratch, Register scratch2,
23 Register offset_scratch) { 22 Register offset_scratch) {
24 ExternalReference key_offset(isolate->stub_cache()->key_reference(table)); 23 ExternalReference key_offset(isolate->stub_cache()->key_reference(table));
25 ExternalReference value_offset(isolate->stub_cache()->value_reference(table)); 24 ExternalReference value_offset(isolate->stub_cache()->value_reference(table));
26 ExternalReference map_offset(isolate->stub_cache()->map_reference(table)); 25 ExternalReference map_offset(isolate->stub_cache()->map_reference(table));
27 26
28 uint64_t key_off_addr = reinterpret_cast<uint64_t>(key_offset.address()); 27 uint64_t key_off_addr = reinterpret_cast<uint64_t>(key_offset.address());
29 uint64_t value_off_addr = reinterpret_cast<uint64_t>(value_offset.address()); 28 uint64_t value_off_addr = reinterpret_cast<uint64_t>(value_offset.address());
30 uint64_t map_off_addr = reinterpret_cast<uint64_t>(map_offset.address()); 29 uint64_t map_off_addr = reinterpret_cast<uint64_t>(map_offset.address());
(...skipping 107 matching lines...) Expand 10 before | Expand all | Expand 10 after
138 __ ld(at, FieldMemOperand(receiver, HeapObject::kMapOffset)); 137 __ ld(at, FieldMemOperand(receiver, HeapObject::kMapOffset));
139 __ Daddu(scratch, scratch, at); 138 __ Daddu(scratch, scratch, at);
140 uint64_t mask = kPrimaryTableSize - 1; 139 uint64_t mask = kPrimaryTableSize - 1;
141 // We shift out the last two bits because they are not part of the hash and 140 // We shift out the last two bits because they are not part of the hash and
142 // they are always 01 for maps. 141 // they are always 01 for maps.
143 __ dsrl(scratch, scratch, kCacheIndexShift); 142 __ dsrl(scratch, scratch, kCacheIndexShift);
144 __ Xor(scratch, scratch, Operand((flags >> kCacheIndexShift) & mask)); 143 __ Xor(scratch, scratch, Operand((flags >> kCacheIndexShift) & mask));
145 __ And(scratch, scratch, Operand(mask)); 144 __ And(scratch, scratch, Operand(mask));
146 145
147 // Probe the primary table. 146 // Probe the primary table.
148 ProbeTable(isolate, masm, ic_kind, flags, kPrimary, receiver, name, scratch, 147 ProbeTable(isolate, masm, flags, kPrimary, receiver, name, scratch, extra,
149 extra, extra2, extra3); 148 extra2, extra3);
150 149
151 // Primary miss: Compute hash for secondary probe. 150 // Primary miss: Compute hash for secondary probe.
152 __ dsrl(at, name, kCacheIndexShift); 151 __ dsrl(at, name, kCacheIndexShift);
153 __ Dsubu(scratch, scratch, at); 152 __ Dsubu(scratch, scratch, at);
154 uint64_t mask2 = kSecondaryTableSize - 1; 153 uint64_t mask2 = kSecondaryTableSize - 1;
155 __ Daddu(scratch, scratch, Operand((flags >> kCacheIndexShift) & mask2)); 154 __ Daddu(scratch, scratch, Operand((flags >> kCacheIndexShift) & mask2));
156 __ And(scratch, scratch, Operand(mask2)); 155 __ And(scratch, scratch, Operand(mask2));
157 156
158 // Probe the secondary table. 157 // Probe the secondary table.
159 ProbeTable(isolate, masm, ic_kind, flags, kSecondary, receiver, name, scratch, 158 ProbeTable(isolate, masm, flags, kSecondary, receiver, name, scratch, extra,
160 extra, extra2, extra3); 159 extra2, extra3);
161 160
162 // Cache miss: Fall-through and let caller handle the miss by 161 // Cache miss: Fall-through and let caller handle the miss by
163 // entering the runtime system. 162 // entering the runtime system.
164 __ bind(&miss); 163 __ bind(&miss);
165 __ IncrementCounter(counters->megamorphic_stub_cache_misses(), 1, extra2, 164 __ IncrementCounter(counters->megamorphic_stub_cache_misses(), 1, extra2,
166 extra3); 165 extra3);
167 } 166 }
168 167
169 168
170 #undef __ 169 #undef __
171 } // namespace internal 170 } // namespace internal
172 } // namespace v8 171 } // namespace v8
173 172
174 #endif // V8_TARGET_ARCH_MIPS64 173 #endif // V8_TARGET_ARCH_MIPS64
OLDNEW
« no previous file with comments | « src/ic/mips64/ic-mips64.cc ('k') | src/ic/ppc/ic-ppc.cc » ('j') | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698