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Issue 2161153002: [ic] Fix megamorphic stub cache probing on some platforms. (Closed) Base URL: https://chromium.googlesource.com/v8/v8.git@master
Patch Set: Addressing 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 #if V8_TARGET_ARCH_PPC 5 #if V8_TARGET_ARCH_PPC
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 static void ProbeTable(StubCache* stub_cache, MacroAssembler* masm, 17 static void ProbeTable(StubCache* stub_cache, MacroAssembler* masm,
18 Code::Flags flags, StubCache::Table table, 18 Code::Flags flags, StubCache::Table table,
19 Register receiver, Register name, 19 Register receiver, Register name,
20 // Number of the cache entry, not scaled. 20 // The offset is scaled by 4, based on
21 // kCacheIndexShift, which is two bits
21 Register offset, Register scratch, Register scratch2, 22 Register offset, Register scratch, Register scratch2,
22 Register offset_scratch) { 23 Register offset_scratch) {
23 ExternalReference key_offset(stub_cache->key_reference(table)); 24 ExternalReference key_offset(stub_cache->key_reference(table));
24 ExternalReference value_offset(stub_cache->value_reference(table)); 25 ExternalReference value_offset(stub_cache->value_reference(table));
25 ExternalReference map_offset(stub_cache->map_reference(table)); 26 ExternalReference map_offset(stub_cache->map_reference(table));
26 27
27 uintptr_t key_off_addr = reinterpret_cast<uintptr_t>(key_offset.address()); 28 uintptr_t key_off_addr = reinterpret_cast<uintptr_t>(key_offset.address());
28 uintptr_t value_off_addr = 29 uintptr_t value_off_addr =
29 reinterpret_cast<uintptr_t>(value_offset.address()); 30 reinterpret_cast<uintptr_t>(value_offset.address());
30 uintptr_t map_off_addr = reinterpret_cast<uintptr_t>(map_offset.address()); 31 uintptr_t map_off_addr = reinterpret_cast<uintptr_t>(map_offset.address());
(...skipping 151 matching lines...) Expand 10 before | Expand all | Expand 10 after
182 __ IncrementCounter(counters->megamorphic_stub_cache_misses(), 1, extra2, 183 __ IncrementCounter(counters->megamorphic_stub_cache_misses(), 1, extra2,
183 extra3); 184 extra3);
184 } 185 }
185 186
186 187
187 #undef __ 188 #undef __
188 } // namespace internal 189 } // namespace internal
189 } // namespace v8 190 } // namespace v8
190 191
191 #endif // V8_TARGET_ARCH_PPC 192 #endif // V8_TARGET_ARCH_PPC
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