> This is a general cleanup and improvement of LTO, as well as a quick fix to > remove a workaround in the Makefiles that disabled LTO for > g1ParScanThreadState.cpp due to the old poisoning mechanism causing trouble. > The -Wno-attribute-warning change here can be removed once Kim's new > poisoning solution is integrated. > > - -fno-omit-frame-pointer is added to gcc to stop the linker from emitting > code without the frame pointer > - -flto is set to $(JOBS) instead of auto to better match what the user > requested > - -Gy is passed to the Microsoft compiler. This does not fully fix LTO under > Microsoft, but prevents warnings about -LTCG:INCREMENTAL at least
Julian Waters has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains 27 commits: - Merge branch 'openjdk:master' into patch-16 - Implement basic Link Time Optimization in LibCommon.gmk - Implement basic Link Time Optimization for executables in LauncherCommon.gmk - Revert LINK_TIME_OPTIMIZATION in ClientLibraries.gmk - Merge branch 'master' into patch-16 - Merge branch 'master' into patch-16 - Revert recent changes to ClientLibraries.gmk - Revert recent changes to CompileJvm.gmk - Revert recent changes to Flags.gmk - Revert recent changes to NativeCompilation.gmk - ... and 17 more: https://git.openjdk.org/jdk/compare/8737a8ca...47a6dc55 ------------- Changes: https://git.openjdk.org/jdk/pull/22464/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22464&range=06 Stats: 85 lines in 11 files changed: 35 ins; 46 del; 4 mod Patch: https://git.openjdk.org/jdk/pull/22464.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/22464/head:pull/22464 PR: https://git.openjdk.org/jdk/pull/22464
