Searched hist:131 (Results 1 - 4 of 4) sorted by relevance
| /gem5/ | ||
| H A D | README | 131:1a40e60270c1 Fri Oct 17 12:32:00 EDT 2003 Steve Reinhardt <stever@eecs.umich.edu> Add a README for the release. Ideally we would move this up a level (to the top-level release dir) before shipping it. |
| H A D | SConstruct | diff 9227:c208c904ab13 Fri Sep 14 00:13:00 EDT 2012 Andreas Hansson <andreas.hansson@arm.com> gcc: Enable Link-Time Optimization for gcc >= 4.6 This patch adds Link-Time Optimization when building the fast target using gcc >= 4.6, and adds a scons flag to disable it (-no-lto). No check is performed to guarantee that the linker supports LTO and use of the linker plugin, so the user has to ensure that binutils GNU ld >= 2.21 or the gold linker is available. Typically, if gcc >= 4.6 is available, the latter should not be a problem. Currently the LTO option is only useful for gcc >= 4.6, due to the limited support on clang and earlier versions of gcc. The intention is to also add support for clang once the LTO integration matures. The same number of jobs is used for the parallel phase of LTO as the jobs specified on the scons command line, using the -flto=n flag that was introduced with gcc 4.6. The gold linker also supports concurrent and incremental linking, but this is not used at this point. The compilation and linking time is increased by almost 50% on average, although ARM seems to be particularly demanding with an increase of almost 100%. Also beware when using thi |