[Bug target/64200] ICE: in decide_alg, at config/i386/i386.c:24510 with -mmemcpy-strategy=libcall:-1:align -minline-stringops-dynamically

[hjl at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64200

--- Comment #4 from hjl at gcc dot gnu.org <hjl at gcc dot gnu.org> ---
Author: hjl
Date: Sun Dec 14 13:05:06 2014
New Revision: 218718

URL: https://gcc.gnu.org/viewcvs?rev=218718&root=gcc&view=rev
Log:
Don't assert "alg != libcall" for -minline-stringops-dynamically

Backported from mainline:

gcc/

    PR target/64200
    * config/i386/i386.c (decide_alg): Don't assert "alg != libcall"
    for TARGET_INLINE_STRINGOPS_DYNAMICALLY.

gcc/testsuite/

    PR target/64200
    * gcc.target/i386/memcpy-strategy-4.c: New test.

Added:
    branches/gcc-4_9-branch/gcc/testsuite/gcc.target/i386/memcpy-strategy-4.c
Modified:
    branches/gcc-4_9-branch/gcc/ChangeLog
    branches/gcc-4_9-branch/gcc/config/i386/i386.c
    branches/gcc-4_9-branch/gcc/testsuite/ChangeLog