[Bug target/61713] ICE when building c++ code with atomic functions for thumb1 target

[ktkachov at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=61713

--- Comment #5 from ktkachov at gcc dot gnu.org ---
Author: ktkachov
Date: Mon Aug  4 10:03:32 2014
New Revision: 213555

URL: https://gcc.gnu.org/viewcvs?rev=213555&root=gcc&view=rev
Log:
PR 61713: ICE when expanding single-threaded version of atomic_test_and_set.

    PR target/61713
    * gcc/optabs.c (expand_atomic_test_and_set): Do not try to emit
    move to subtarget in serial version if result is ignored.

    PR target/61713
    * gcc.dg/pr61756.c: New test.

Added:
    trunk/gcc/testsuite/gcc.dg/pr61756.c
Modified:
    trunk/gcc/ChangeLog
    trunk/gcc/optabs.c
    trunk/gcc/testsuite/ChangeLog