ok for google-4_7 branch. This should also be pushed to trunk. Thanks,
David On Wed, May 16, 2012 at 6:56 PM, Sriraman Tallam <tmsri...@google.com> wrote: > 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.