http://gcc.gnu.org/bugzilla/show_bug.cgi?id=9744

--- Comment #4 from Richard Earnshaw <rearnsha at gcc dot gnu.org> ---
Author: rearnsha
Date: Fri Jan 10 15:12:03 2014
New Revision: 206529

URL: http://gcc.gnu.org/viewcvs?rev=206529&root=gcc&view=rev
Log:
    PR target/9744

gcc:
    * aarch64-modes.def (CC_Zmode): New flags mode.
    * aarch64.c (aarch64_select_cc_mode): Only allow NEG when the condition
    represents an equality.
    (aarch64_get_condition_code0): Handle CC_Zmode.
    * aarch64.md (compare_neg<mode>): Restrict to equality operations.

gcc/testsuite:
    * gcc.target/aarch64/cmn-neg.c: Use equality comparisons.
    * gcc.target/aarch64/cmn-neg2.c: New test.


Added:
    trunk/gcc/testsuite/gcc.target/aarch64/cmn-neg2.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/config/aarch64/aarch64-modes.def
    trunk/gcc/config/aarch64/aarch64.c
    trunk/gcc/config/aarch64/aarch64.md
    trunk/gcc/testsuite/ChangeLog
    trunk/gcc/testsuite/gcc.target/aarch64/cmn-neg.c

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