[X86] Extract latency of fldz/fld1 in separate classes.

Summary:
 - I've measured the values for Broadwell, Haswell, SandyBridge, Skylake.
 - For ZnVer1 and Atom, values were transferred form `InstRW`s.
 - For SLM and BtVer2, values are from Agner.

This is split off from https://reviews.llvm.org/D47377

Reviewers: RKSimon, andreadb

Subscribers: gbedwell, llvm-commits

Differential Revision: https://reviews.llvm.org/D47523

llvm-svn: 333642
19 files changed
tree: 6b5c26ae48407708f13bd0f3cfe94a9f5c88bdad
  1. clang/
  2. clang-tools-extra/
  3. compiler-rt/
  4. debuginfo-tests/
  5. libclc/
  6. libcxx/
  7. libcxxabi/
  8. libunwind/
  9. lld/
  10. lldb/
  11. llgo/
  12. llvm/
  13. openmp/
  14. parallel-libs/
  15. polly/
  16. README.md
README.md

Low Level Virtual Machine (LLVM)

This directory and its subdirectories contain source code for LLVM, a toolkit for the construction of highly optimized compilers, optimizers, and runtime environments.