| Index: src/mips/code-stubs-mips.cc
|
| diff --git a/src/mips/code-stubs-mips.cc b/src/mips/code-stubs-mips.cc
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| index f829f4c5a04f3290fa65e6fcdf50b13e47ea5253..b0996825a244ffd550fc75d4ce42f10546b98a2d 100644
|
| --- a/src/mips/code-stubs-mips.cc
|
| +++ b/src/mips/code-stubs-mips.cc
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| @@ -2836,85 +2836,6 @@ void NameDictionaryLookupStub::GenerateNegativeLookup(MacroAssembler* masm,
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| __ Branch(miss, ne, at, Operand(zero_reg));
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| }
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|
|
| -
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| -// Probe the name dictionary in the |elements| register. Jump to the
|
| -// |done| label if a property with the given name is found. Jump to
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| -// the |miss| label otherwise.
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| -// If lookup was successful |scratch2| will be equal to elements + 4 * index.
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| -void NameDictionaryLookupStub::GeneratePositiveLookup(MacroAssembler* masm,
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| - Label* miss,
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| - Label* done,
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| - Register elements,
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| - Register name,
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| - Register scratch1,
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| - Register scratch2) {
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| - DCHECK(!elements.is(scratch1));
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| - DCHECK(!elements.is(scratch2));
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| - DCHECK(!name.is(scratch1));
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| - DCHECK(!name.is(scratch2));
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| -
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| - __ AssertName(name);
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| -
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| - // Compute the capacity mask.
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| - __ lw(scratch1, FieldMemOperand(elements, kCapacityOffset));
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| - __ sra(scratch1, scratch1, kSmiTagSize); // convert smi to int
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| - __ Subu(scratch1, scratch1, Operand(1));
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| -
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| - // Generate an unrolled loop that performs a few probes before
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| - // giving up. Measurements done on Gmail indicate that 2 probes
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| - // cover ~93% of loads from dictionaries.
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| - for (int i = 0; i < kInlinedProbes; i++) {
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| - // Compute the masked index: (hash + i + i * i) & mask.
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| - __ lw(scratch2, FieldMemOperand(name, Name::kHashFieldOffset));
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| - if (i > 0) {
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| - // Add the probe offset (i + i * i) left shifted to avoid right shifting
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| - // the hash in a separate instruction. The value hash + i + i * i is right
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| - // shifted in the following and instruction.
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| - DCHECK(NameDictionary::GetProbeOffset(i) <
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| - 1 << (32 - Name::kHashFieldOffset));
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| - __ Addu(scratch2, scratch2, Operand(
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| - NameDictionary::GetProbeOffset(i) << Name::kHashShift));
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| - }
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| - __ srl(scratch2, scratch2, Name::kHashShift);
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| - __ And(scratch2, scratch1, scratch2);
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| -
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| - // Scale the index by multiplying by the element size.
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| - STATIC_ASSERT(NameDictionary::kEntrySize == 3);
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| - // scratch2 = scratch2 * 3.
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| -
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| - __ Lsa(scratch2, scratch2, scratch2, 1);
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| -
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| - // Check if the key is identical to the name.
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| - __ Lsa(scratch2, elements, scratch2, 2);
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| - __ lw(at, FieldMemOperand(scratch2, kElementsStartOffset));
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| - __ Branch(done, eq, name, Operand(at));
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| - }
|
| -
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| - const int spill_mask =
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| - (ra.bit() | t2.bit() | t1.bit() | t0.bit() |
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| - a3.bit() | a2.bit() | a1.bit() | a0.bit() | v0.bit()) &
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| - ~(scratch1.bit() | scratch2.bit());
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| -
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| - __ MultiPush(spill_mask);
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| - if (name.is(a0)) {
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| - DCHECK(!elements.is(a1));
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| - __ Move(a1, name);
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| - __ Move(a0, elements);
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| - } else {
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| - __ Move(a0, elements);
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| - __ Move(a1, name);
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| - }
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| - NameDictionaryLookupStub stub(masm->isolate(), POSITIVE_LOOKUP);
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| - __ CallStub(&stub);
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| - __ mov(scratch2, a2);
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| - __ mov(at, v0);
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| - __ MultiPop(spill_mask);
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| -
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| - __ Branch(done, ne, at, Operand(zero_reg));
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| - __ Branch(miss, eq, at, Operand(zero_reg));
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| -}
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| -
|
| -
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| void NameDictionaryLookupStub::Generate(MacroAssembler* masm) {
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| // This stub overrides SometimesSetsUpAFrame() to return false. That means
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| // we cannot call anything that could cause a GC from this stub.
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|
|