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Issue 205343013: Introduce andp, notp, orp and xorp for x64 port (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Rebased with bleeding_edge Created 6 years, 9 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Redistribution and use in source and binary forms, with or without 2 // Redistribution and use in source and binary forms, with or without
3 // modification, are permitted provided that the following conditions are 3 // modification, are permitted provided that the following conditions are
4 // met: 4 // met:
5 // 5 //
6 // * Redistributions of source code must retain the above copyright 6 // * Redistributions of source code must retain the above copyright
7 // notice, this list of conditions and the following disclaimer. 7 // notice, this list of conditions and the following disclaimer.
8 // * Redistributions in binary form must reproduce the above 8 // * Redistributions in binary form must reproduce the above
9 // copyright notice, this list of conditions and the following 9 // copyright notice, this list of conditions and the following
10 // disclaimer in the documentation and/or other materials provided 10 // disclaimer in the documentation and/or other materials provided
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82 __ cmpp(kScratchRegister, FieldOperand(receiver, HeapObject::kMapOffset)); 82 __ cmpp(kScratchRegister, FieldOperand(receiver, HeapObject::kMapOffset));
83 __ j(not_equal, &miss); 83 __ j(not_equal, &miss);
84 84
85 // Get the code entry from the cache. 85 // Get the code entry from the cache.
86 __ LoadAddress(kScratchRegister, value_offset); 86 __ LoadAddress(kScratchRegister, value_offset);
87 __ movp(kScratchRegister, 87 __ movp(kScratchRegister,
88 Operand(kScratchRegister, offset, scale_factor, 0)); 88 Operand(kScratchRegister, offset, scale_factor, 0));
89 89
90 // Check that the flags match what we're looking for. 90 // Check that the flags match what we're looking for.
91 __ movl(offset, FieldOperand(kScratchRegister, Code::kFlagsOffset)); 91 __ movl(offset, FieldOperand(kScratchRegister, Code::kFlagsOffset));
92 __ and_(offset, Immediate(~Code::kFlagsNotUsedInLookup)); 92 __ andp(offset, Immediate(~Code::kFlagsNotUsedInLookup));
93 __ cmpl(offset, Immediate(flags)); 93 __ cmpl(offset, Immediate(flags));
94 __ j(not_equal, &miss); 94 __ j(not_equal, &miss);
95 95
96 #ifdef DEBUG 96 #ifdef DEBUG
97 if (FLAG_test_secondary_stub_cache && table == StubCache::kPrimary) { 97 if (FLAG_test_secondary_stub_cache && table == StubCache::kPrimary) {
98 __ jmp(&miss); 98 __ jmp(&miss);
99 } else if (FLAG_test_primary_stub_cache && table == StubCache::kSecondary) { 99 } else if (FLAG_test_primary_stub_cache && table == StubCache::kSecondary) {
100 __ jmp(&miss); 100 __ jmp(&miss);
101 } 101 }
102 #endif 102 #endif
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188 Counters* counters = masm->isolate()->counters(); 188 Counters* counters = masm->isolate()->counters();
189 __ IncrementCounter(counters->megamorphic_stub_cache_probes(), 1); 189 __ IncrementCounter(counters->megamorphic_stub_cache_probes(), 1);
190 190
191 // Check that the receiver isn't a smi. 191 // Check that the receiver isn't a smi.
192 __ JumpIfSmi(receiver, &miss); 192 __ JumpIfSmi(receiver, &miss);
193 193
194 // Get the map of the receiver and compute the hash. 194 // Get the map of the receiver and compute the hash.
195 __ movl(scratch, FieldOperand(name, Name::kHashFieldOffset)); 195 __ movl(scratch, FieldOperand(name, Name::kHashFieldOffset));
196 // Use only the low 32 bits of the map pointer. 196 // Use only the low 32 bits of the map pointer.
197 __ addl(scratch, FieldOperand(receiver, HeapObject::kMapOffset)); 197 __ addl(scratch, FieldOperand(receiver, HeapObject::kMapOffset));
198 __ xor_(scratch, Immediate(flags)); 198 __ xorp(scratch, Immediate(flags));
199 // We mask out the last two bits because they are not part of the hash and 199 // We mask out the last two bits because they are not part of the hash and
200 // they are always 01 for maps. Also in the two 'and' instructions below. 200 // they are always 01 for maps. Also in the two 'and' instructions below.
201 __ and_(scratch, Immediate((kPrimaryTableSize - 1) << kHeapObjectTagSize)); 201 __ andp(scratch, Immediate((kPrimaryTableSize - 1) << kHeapObjectTagSize));
202 202
203 // Probe the primary table. 203 // Probe the primary table.
204 ProbeTable(isolate, masm, flags, kPrimary, receiver, name, scratch); 204 ProbeTable(isolate, masm, flags, kPrimary, receiver, name, scratch);
205 205
206 // Primary miss: Compute hash for secondary probe. 206 // Primary miss: Compute hash for secondary probe.
207 __ movl(scratch, FieldOperand(name, Name::kHashFieldOffset)); 207 __ movl(scratch, FieldOperand(name, Name::kHashFieldOffset));
208 __ addl(scratch, FieldOperand(receiver, HeapObject::kMapOffset)); 208 __ addl(scratch, FieldOperand(receiver, HeapObject::kMapOffset));
209 __ xor_(scratch, Immediate(flags)); 209 __ xorp(scratch, Immediate(flags));
210 __ and_(scratch, Immediate((kPrimaryTableSize - 1) << kHeapObjectTagSize)); 210 __ andp(scratch, Immediate((kPrimaryTableSize - 1) << kHeapObjectTagSize));
211 __ subl(scratch, name); 211 __ subl(scratch, name);
212 __ addl(scratch, Immediate(flags)); 212 __ addl(scratch, Immediate(flags));
213 __ and_(scratch, Immediate((kSecondaryTableSize - 1) << kHeapObjectTagSize)); 213 __ andp(scratch, Immediate((kSecondaryTableSize - 1) << kHeapObjectTagSize));
214 214
215 // Probe the secondary table. 215 // Probe the secondary table.
216 ProbeTable(isolate, masm, flags, kSecondary, receiver, name, scratch); 216 ProbeTable(isolate, masm, flags, kSecondary, receiver, name, scratch);
217 217
218 // Cache miss: Fall-through and let caller handle the miss by 218 // Cache miss: Fall-through and let caller handle the miss by
219 // entering the runtime system. 219 // entering the runtime system.
220 __ bind(&miss); 220 __ bind(&miss);
221 __ IncrementCounter(counters->megamorphic_stub_cache_misses(), 1); 221 __ IncrementCounter(counters->megamorphic_stub_cache_misses(), 1);
222 } 222 }
223 223
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1442 // ----------------------------------- 1442 // -----------------------------------
1443 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss); 1443 TailCallBuiltin(masm, Builtins::kKeyedLoadIC_Miss);
1444 } 1444 }
1445 1445
1446 1446
1447 #undef __ 1447 #undef __
1448 1448
1449 } } // namespace v8::internal 1449 } } // namespace v8::internal
1450 1450
1451 #endif // V8_TARGET_ARCH_X64 1451 #endif // V8_TARGET_ARCH_X64
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