[Bug 1742289] Re: arm64 performance improvements

[Launchpad Bug Tracker]

This bug was fixed in the package gcc-7 - 7.3.0-11ubuntu1

---------------
gcc-7 (7.3.0-11ubuntu1) bionic; urgency=medium

  * Merge with Debian; remaining changes:
    - Build from upstream sources.

gcc-7 (7.3.0-11) unstable; urgency=medium

  * Update to SVN 20180312 (r258443) from the gcc-7-branch.
    - Fix PR target/83984 (PA), PR c++/84785, PR fortran/84734.

  [ Svante Signell ]
  * Update go patches for hurd-i386.

  [ Matthias Klose ]
  * Fix typo in lib32asan symbols file for s390x.

  [ Aurelien Jarno ]
  * Fix PR target/84475, taken from the trunk.
  * Disable gnat and go on riscv64.
  * Backport RISC-V libffi support from upstream.

gcc-7 (7.3.0-10) unstable; urgency=medium

  * Fix typo in libasan symbols file for s390x.

 -- Matthias Klose <doko at ubuntu.com>  Mon, 12 Mar 2018 07:59:22 +0100

** Changed in: gcc-7 (Ubuntu)
       Status: Fix Committed => Fix Released

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https://bugs.launchpad.net/bugs/1742289

Title:
  arm64 performance improvements

Status in gcc-7 package in Ubuntu:
  Fix Released

Bug description:
  Please include the following performance improvements for arm64:

  * Fix PR target/81356 (AArch64): Avoid memory access w/
    __builtin_strcpy of empty string.
  * aarch64-simd: Avoid emitting dup insn by using canonical form for fnma.
  * aarch64/thunderx2: Add pipeline/scheduling info for missing insn types.

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