971                                          Register scratch1,  in InitializeNewString()
1638                               Register scratch1,  in Allocate()
1756                               Register scratch1,  in Allocate()
1883                                            Register scratch1,  in AllocateTwoByteString()
1914                                          Register scratch1,  in AllocateAsciiString()
1945                                                Register scratch1,  in AllocateTwoByteConsString()
1961                                              Register scratch1,  in AllocateAsciiConsString()
2003                                                  Register scratch1,  in AllocateTwoByteSlicedString()
2019                                                Register scratch1,  in AllocateAsciiSlicedString()
2123                                       Register scratch1,  in StoreNumberToDoubleElements()
2601                                        Register scratch1,  in TruncateNumberToI()
2740                                 Register scratch1, Register scratch2) {  in SetCounter()
2750                                       Register scratch1, Register scratch2) {  in IncrementCounter()
2762                                       Register scratch1, Register scratch2) {  in DecrementCounter()
3099                                              Register scratch1,  in LookupNumberStringCache()
3182     Register scratch1,  in JumpIfNonSmisNotBothSequentialAsciiStrings()
3201                                                          Register scratch1,  in JumpIfNotBothSequentialAsciiStrings()
3231                                         Register scratch1,  in AllocateHeapNumber()
3253                                                  Register scratch1,  in AllocateHeapNumberWithValue()
3379     Register scratch1,  in JumpIfBothInstanceTypesAreNotSequentialAscii()
3638                                  Register scratch1,  in JumpIfBlack()
3996     Register scratch1,  in JumpIfDictionaryInPrototypeChain()