Patch too large to be attached, rejected by gcc-patches. Please see: http://codereview.appspot.com/download/issue6195099_1.diff
Thanks, -Sri. On Wed, May 16, 2012 at 6:52 PM, Sriraman Tallam <tmsri...@google.com> wrote: > Hi, > > This patch ports function reordering support into google/gcc-4_7 branch > from google/gcc-4_6 branch. There are 3 parts which are combined: > > * Adding option -freoder-functions=callgraph. > * Dumping callgraph profiles in separate sections. > * The linker plugin itself. > > Port revisions from google/gcc-4_6 > r177289, r177308, r179104, r179289, r179303, r179404, r182447 > > into google/gcc-4_7 > > adding function reordering support via linker plugin invoked with option > -freorder-functions=callgraph. > > Patch also can be reviewed here: http://codereview.appspot.com/6195099 > > function_reordering_plugin: > > * config.h.in: Generate. > * configure: Generate. > * Makefile.in: New file. > * configure.ac: New file. > * callgraph.h: New file. > * callgraph.c: New file. > * function_reordering_plugin.c: New file. > * Makefile.am: Generate. > * aclocal.m4: Generate. > > gcc: > * doc/invoke.texi: Document -freorder-functions=* > * cgraphbuild.c (remove_cgraph_callee_edges): Preserve > callgraph till pass_final. > * configure: Regenerate. > * final.c (dump_cgraph_profiles): New function. > (rest_of_handle_final): Call dumping of cgraph profiles in > .gnu.text.callgraph sections. > * gcc.c (LINK_COMMAND_SPEC): Process -freorder-functions= > (set_func_reorder_linker_plugin_spec): New function. > (main): Call function reorder plugin. > * testsuite/lib/target-supports-dg.exp > (dg-require-section-exclude): New proc. > (dg-require-linker-function-reordering-plugin): New proc. > * testsuite/lib/target-supports.exp > (check_section_exclude_available): New proc. > (check_linker_function_reordering_plugin_supported): New proc. > * testsuite/g++.dg/tree-prof/callgraph-profiles.C: New test. > * config.in: undef FRPLUGINSONAME > * opts.c > * configure.ac (FRPLUGINSONAME): Define > * common.opt (fcallgraph-profiles-sections): Remove. > (freorder-functions=): New option. > * tree-optimize.c (gate_all_optimizations): Mark last cleanup of > callgraph. > * config.host: Set function reordering plugin. > * params.def (PARAM_NOTE_CGRAPH_SECTION_EDGE_THRESHOLD): Remove. > (PARAM_GNU_CGRAPH_SECTION_EDGE_THRESHOLD): Add. > > toplevel: > * Makefile.in: Regenerate. > * Makefile.def: Build function reordering plugin. > * configure.ac: Build function reordering plugin. > * configure: Regenerate. > > Patch attached. > > Thanks, > -Sri.
