branch master updated (0f2eede9f1 -> e8c9043183)

[guix-commits]

efraim pushed a change to branch master
in repository guix.

    from 0f2eede9f1 gnu: emacs-ox-tufte: Simplify test invocation.
     new f7295486ac gnu: guix-icons: Clean-up package.
     new f7fcddef52 gnu: Add guix-backgrounds.
     new 7e72b7f119 gnu: opus: Mark as tunable.
     new 0753dd3aa0 gnu: libvorbis: Mark as tunable.
     new 63165a9486 cpu: Be consistent with x86_64 micro-architecture names.
     new 7700dc2cf5 cpu: Rename x86-64-v1 to x86-64.
     new cae9e9db32 cpu: Enable tuning for i686-linux.
     new 7fd57fdd83 gnu: clang-properties: Update x86_64 micro-architectures.
     new e8c9043183 gnu: clang-properties: Add micro-architecture support for 
powerpc64le.

The 9 revisions listed above as "new" are entirely new to this
repository and will be described in separate emails.  The revisions
listed as "add" were already present in the repository and have only
been added to this reference.


Summary of changes:
 gnu/packages/gcc.scm                |   7 +-
 gnu/packages/golang.scm             |   3 +-
 gnu/packages/llvm.scm               | 127 +++++++++++++++++++-----------------
 gnu/packages/package-management.scm |  27 ++++++--
 gnu/packages/xiph.scm               |   4 ++
 guix/cpu.scm                        |  24 +++----
 6 files changed, 113 insertions(+), 79 deletions(-)