b68dd05c14
r327630 introduced new write definitions for float/vector loads. Before that revision, WriteLoad was used by both integer/float (scalar/vector) load. So, WriteLoad had to conservatively declare a latency to 5cy. That is because the load-to-use latency for float/vector load is 5cy. Now that we have dedicated writes for float/vector loads, there is no reason why we should keep the latency of WriteLoad to 5cy. At the moment, WriteLoad is only used by scalar integer loads only; we can assume an optimstic 3cy latency for them. This patch changes that latency from 5cy to 3cy, and regenerates the affected scheduling/mca tests. Differential Revision: https://reviews.llvm.org/D56922 llvm-svn: 351742 |
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README.txt
The LLVM Compiler Infrastructure ================================ This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments. LLVM is open source software. You may freely distribute it under the terms of the license agreement found in LICENSE.txt. Please see the documentation provided in docs/ for further assistance with LLVM, and in particular docs/GettingStarted.rst for getting started with LLVM and docs/README.txt for an overview of LLVM's documentation setup. If you are writing a package for LLVM, see docs/Packaging.rst for our suggestions.