[Bug target/58853] [4.9 regression] ICE in expand_set_or_movmem_prologue_epilogue_by_misaligned_moves

[uros at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=58853

--- Comment #12 from uros at gcc dot gnu.org ---
Author: uros
Date: Mon Nov 11 20:02:19 2013
New Revision: 204685

URL: http://gcc.gnu.org/viewcvs?rev=204685&root=gcc&view=rev
Log:
    PR target/58853
    * config/i386/x86-tune.def
    (X86_TUNE_MISALIGNED_MOVE_STRING_PRO_EPILOGUES): Rename from
    TARGET_MISALIGNED_MOVE_STRING_PROLOGUES.
    * config/i386/i386.h
    (TARGET_MISALIGNED_MOVE_STRING_PRO_EPILOGUES): Rename from
    TARGET_MISALIGNED_MOVE_STRING_PROLOGUES_EPILOGUES.  Update for renamed
    X86_TUNE_MISALIGNED_MOVE_STRING_PRO_EPILOGUES.
    * config/i386/i386.c (ix86_expand_set_or_movmem): Use
    TARGET_MISALIGNED_MOVE_STRING_PRO_EPILOGUES to calculate
    misaligned_prologue_used.  Check that
    desired_aling <= epilogue_size_needed.

testsuite/ChangeLog:

    PR target/58853
    * gcc.target/i386/pr58853.c: New test.


Added:
    trunk/gcc/testsuite/gcc.target/i386/pr58853.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/i386/i386.c
    trunk/gcc/config/i386/i386.h
    trunk/gcc/config/i386/x86-tune.def
    trunk/gcc/testsuite/ChangeLog