1. A method for accessing partial cachelines in a data cache, the method comprising: storing a first portion of a cacheline in a cache entry of the data cache; relaunching a load instruction targeting a second portion of the cacheline, wherein the second portion of the cacheline is not stored in the data cache; determining that the load instruction targets a portion of the cacheline not stored in the cache entry; storing the second portion of the cacheline in the data cache; and reading the second portion of the cacheline from the data cache according to the load instruction.