https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69904
--- Comment #7 from ktkachov at gcc dot gnu.org --- Author: ktkachov Date: Thu Mar 3 17:25:43 2016 New Revision: 233941 URL: https://gcc.gnu.org/viewcvs?rev=233941&root=gcc&view=rev Log: [ARM] PR rtl-optimization/69904: Disallow copying/duplicating of load-exclusive operations PR rtl-optimization/69904 * config/arm/arm.c (arm_cannot_copy_insn_p): Return true for load-exclusive instructions. * gcc.target/arm/pr69904.c: New test. Added: trunk/gcc/testsuite/gcc.target/arm/pr69904.c Modified: trunk/gcc/ChangeLog trunk/gcc/config/arm/arm.c trunk/gcc/testsuite/ChangeLog