[Bug rtl-optimization/38449] delay branch scheduling follows REG_CROSSING_JUMP jumps indiscriminately

[amylaar at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38449



--- Comment #4 from Jorn Wolfgang Rennecke <amylaar at gcc dot gnu.org> 
2012-09-30 19:25:53 UTC ---

Author: amylaar

Date: Sun Sep 30 19:25:49 2012

New Revision: 191878



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=191878

Log:

        PR rtl-optimization/38449:

        * hooks.c (hook_bool_const_rtx_const_rtx_true): New function.

        * hooks.h (hook_bool_const_rtx_const_rtx_true): Declare.

        * target.def: Merge in definitions and documentation for

        TARGET_CAN_FOLLOW_JUMP.

        * doc/tm.texi.in: Add documentation locations for the above.

        * doc/tm.texi: Regenerate.

        * reorg.c (follow_jumps): New parameters jump and crossing.

        Changed all callers.



Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/doc/tm.texi

    trunk/gcc/doc/tm.texi.in

    trunk/gcc/hooks.c

    trunk/gcc/hooks.h

    trunk/gcc/reorg.c

    trunk/gcc/target.def