[Bug target/52555] [4.6/4.7/4.8 Regression] ICE unrecognizable insn with -ffast-math and __attribute__((optimize(xx)))

["aldyh at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52555

--- Comment #12 from Aldy Hernandez <aldyh at gcc dot gnu.org> 2013-02-19 00:04:59 UTC ---
Author: aldyh
Date: Tue Feb 19 00:04:49 2013
New Revision: 196129

URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=196129
Log:
    PR target/52555
    * genopinit.c (raw_optab_handler): Use this_fn_optabs.
    (swap_optab_enable): Same.
    (init_all_optabs): Use argument instead of global.
    * tree.h (struct tree_optimization_option): New field
    target_optabs.
    * expr.h (init_all_optabs): Add argument to prototype.
    (TREE_OPTIMIZATION_OPTABS): New.
    (save_optabs_if_changed): Protoize.
    * optabs.h: Declare this_fn_optabs.
    * optabs.c (save_optabs_if_changed): New.
    Declare this_fn_optabs.
    (init_optabs): Add argument to init_all_optabs() call.
    * function.c (invoke_set_current_function_hook): Handle per
    function optabs.
    * function.h (struct function): New field optabs.
    * config/mips/mips.c (mips_set_mips16_mode): Handle when
    optimization_current_node has changed.
    * target-globals.h (save_target_globals_default_opts): Protoize.
    * target-globals.c (save_target_globals_default_opts): New.
c-family/
    * c-common.c (handle_optimize_attribute): Call
    save_optabs_if_changed.

Added:
    trunk/gcc/testsuite/gcc.c-torture/compile/pr52555.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/c-family/ChangeLog
    trunk/gcc/c-family/c-common.c
    trunk/gcc/config/mips/mips.c
    trunk/gcc/expr.h
    trunk/gcc/function.c
    trunk/gcc/function.h
    trunk/gcc/genopinit.c
    trunk/gcc/optabs.c
    trunk/gcc/optabs.h
    trunk/gcc/target-globals.c
    trunk/gcc/target-globals.h
    trunk/gcc/tree.h