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toplev.c (flag_rerun_loop_opt): New variable.
authorJeffrey A Law <law@cygnus.com>
Sun, 26 Oct 1997 16:56:15 +0000 (16:56 +0000)
committerJeff Law <law@gcc.gnu.org>
Sun, 26 Oct 1997 16:56:15 +0000 (09:56 -0700)
commit6d6d0fa07e124c351a01f4cadcfc16ef215817ad
tree724455a715ab23442474adb49157e2a8343b4856tree
parentda0af5a56fc0b83f9c7f7eaa4038a4a627f4cfbccommit | diff
toplev.c (flag_rerun_loop_opt): New variable.

        * toplev.c (flag_rerun_loop_opt): New variable.
        (f_options): Handle -frerun-loop-opt.
        (rest_of_compilation): If -frerun-loop-opt, then run the loop
        optimizer twice.
        (main): Enable -frerun-loop-opt by default for -O2 or greater.

From-SVN: r16180
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