[Bug target/66195] New: Optimize _GLIBCXX_GUARD_TEST_AND_ACQUIRE and _GLIBCXX_GUARD_SET_AND_RELEASE for PowerPC

[dje at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66195

            Bug ID: 66195
           Summary: Optimize _GLIBCXX_GUARD_TEST_AND_ACQUIRE and
                    _GLIBCXX_GUARD_SET_AND_RELEASE for PowerPC
           Product: gcc
           Version: 6.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: target
          Assignee: unassigned at gcc dot gnu.org
          Reporter: dje at gcc dot gnu.org
  Target Milestone: ---

Target-specific optimization opportunity in libstdc++/libsupc++ for
__cxa_guard_acquire and __cxa_guard_release.