> A previous argument against link time optimization support that we have for > gcc is that it was extremely slow. After some checks it turns out we are > passing rather inefficient flags to gcc in optimized builds. Changing these > flags to run the linker optimizations in parallel and passing additional > flags to the compiler have the ability to speed this process up > significantly. Also fixes some incorrect flags passed to ld for linking as > well, since strict-aliasing is required for both linker and compiler, and the > same optimization level should be specified instead of letting the default > -O1 be passed to the linker
Julian Waters has updated the pull request incrementally with one additional commit since the last revision: Should auto detect cores as a safer fallback ------------- Changes: - all: https://git.openjdk.org/jdk/pull/13180/files - new: https://git.openjdk.org/jdk/pull/13180/files/1fe1ba77..e04abcc5 Webrevs: - full: https://webrevs.openjdk.org/?repo=jdk&pr=13180&range=03 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=13180&range=02-03 Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod Patch: https://git.openjdk.org/jdk/pull/13180.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/13180/head:pull/13180 PR: https://git.openjdk.org/jdk/pull/13180
