[Bug target/55981] std::atomic store is split in two smaller stores

[uros at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55981



--- Comment #11 from uros at gcc dot gnu.org 2013-01-17 16:25:04 UTC ---

Author: uros

Date: Thu Jan 17 16:24:54 2013

New Revision: 195273



URL: http://gcc.gnu.org/viewcvs?root=gcc&view=rev&rev=195273

Log:

    PR target/55981

    * config/i386/sync.md (atomic_store<mode>): Always generate SWImode

    store through atomic_store<mode>_1.

    (atomic_store<mode>_1): Macroize insn using SWI mode iterator.



testsuite/ChangeLog:



    PR target/55981

    * gcc.target/pr55981.c: New test.





Added:

    trunk/gcc/testsuite/gcc.target/i386/pr55981.c

Modified:

    trunk/gcc/ChangeLog

    trunk/gcc/config/i386/sync.md

    trunk/gcc/testsuite/ChangeLog