Index: src/ppc/macro-assembler-ppc.cc |
diff --git a/src/ppc/macro-assembler-ppc.cc b/src/ppc/macro-assembler-ppc.cc |
index d7697f0623eb91951cad3807f3a8bb9a6d455b9a..fde79df04c76aec63d22db311b238f09c8123735 100644 |
--- a/src/ppc/macro-assembler-ppc.cc |
+++ b/src/ppc/macro-assembler-ppc.cc |
@@ -2626,78 +2626,6 @@ void MacroAssembler::JumpIfNotHeapNumber(Register object, |
} |
-void MacroAssembler::LookupNumberStringCache(Register object, Register result, |
- Register scratch1, |
- Register scratch2, |
- Register scratch3, |
- Label* not_found) { |
- // Use of registers. Register result is used as a temporary. |
- Register number_string_cache = result; |
- Register mask = scratch3; |
- |
- // Load the number string cache. |
- LoadRoot(number_string_cache, Heap::kNumberStringCacheRootIndex); |
- |
- // Make the hash mask from the length of the number string cache. It |
- // contains two elements (number and string) for each cache entry. |
- LoadP(mask, FieldMemOperand(number_string_cache, FixedArray::kLengthOffset)); |
- // Divide length by two (length is a smi). |
- ShiftRightArithImm(mask, mask, kSmiTagSize + kSmiShiftSize + 1); |
- subi(mask, mask, Operand(1)); // Make mask. |
- |
- // Calculate the entry in the number string cache. The hash value in the |
- // number string cache for smis is just the smi value, and the hash for |
- // doubles is the xor of the upper and lower words. See |
- // Heap::GetNumberStringCache. |
- Label is_smi; |
- Label load_result_from_cache; |
- JumpIfSmi(object, &is_smi); |
- CheckMap(object, scratch1, Heap::kHeapNumberMapRootIndex, not_found, |
- DONT_DO_SMI_CHECK); |
- |
- STATIC_ASSERT(8 == kDoubleSize); |
- lwz(scratch1, FieldMemOperand(object, HeapNumber::kExponentOffset)); |
- lwz(scratch2, FieldMemOperand(object, HeapNumber::kMantissaOffset)); |
- xor_(scratch1, scratch1, scratch2); |
- and_(scratch1, scratch1, mask); |
- |
- // Calculate address of entry in string cache: each entry consists |
- // of two pointer sized fields. |
- ShiftLeftImm(scratch1, scratch1, Operand(kPointerSizeLog2 + 1)); |
- add(scratch1, number_string_cache, scratch1); |
- |
- Register probe = mask; |
- LoadP(probe, FieldMemOperand(scratch1, FixedArray::kHeaderSize)); |
- JumpIfSmi(probe, not_found); |
- lfd(d0, FieldMemOperand(object, HeapNumber::kValueOffset)); |
- lfd(d1, FieldMemOperand(probe, HeapNumber::kValueOffset)); |
- fcmpu(d0, d1); |
- bne(not_found); // The cache did not contain this value. |
- b(&load_result_from_cache); |
- |
- bind(&is_smi); |
- Register scratch = scratch1; |
- SmiUntag(scratch, object); |
- and_(scratch, mask, scratch); |
- // Calculate address of entry in string cache: each entry consists |
- // of two pointer sized fields. |
- ShiftLeftImm(scratch, scratch, Operand(kPointerSizeLog2 + 1)); |
- add(scratch, number_string_cache, scratch); |
- |
- // Check if the entry is the smi we are looking for. |
- LoadP(probe, FieldMemOperand(scratch, FixedArray::kHeaderSize)); |
- cmp(object, probe); |
- bne(not_found); |
- |
- // Get the result from the cache. |
- bind(&load_result_from_cache); |
- LoadP(result, |
- FieldMemOperand(scratch, FixedArray::kHeaderSize + kPointerSize)); |
- IncrementCounter(isolate()->counters()->number_to_string_native(), 1, |
- scratch1, scratch2); |
-} |
- |
- |
void MacroAssembler::JumpIfNonSmisNotBothSequentialOneByteStrings( |
Register first, Register second, Register scratch1, Register scratch2, |
Label* failure) { |