https://gcc.gnu.org/bugzilla/show_bug.cgi?id=57003
--- Comment #31 from uros at gcc dot gnu.org --- Author: uros Date: Thu Oct 9 09:05:37 2014 New Revision: 216035 URL: https://gcc.gnu.org/viewcvs?rev=216035&root=gcc&view=rev Log: Backport from mainline 2014-10-09 Uros Bizjak <ubiz...@gmail.com> PR rtl-optimization/57003 * regcprop.c (copyprop_hardreg_forward_1): If ksvd.ignore_set_reg, also check CALL_INSN_FUNCTION_USAGE for clobbers again after killing regs_invalidated_by_call. Modified: branches/gcc-4_8-branch/gcc/ChangeLog branches/gcc-4_8-branch/gcc/regcprop.c