On Sat, Mar 18, 2017 at 11:23:56AM -0500, Segher Boessenkool wrote:
> Bootstrapped and regression checked on x86_64-linux and powerpc64-linux
> {-m32,-m64}.Now also tested on aarch64-linux; no new failures. Segher > 2017-03-18 Segher Boessenkool <seg...@kernel.crashing.org> > > PR rtl-optimization/79910 > * combine.c (can_combine_p): Do not allow combining an I0 or I1 > if its dest is used by an insn before I2 (other than the combined > insns themselves, which are properly handled already).
