https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63404
--- Comment #8 from Jiong Wang <jiwang at gcc dot gnu.org> --- (In reply to Pat Haugen from comment #6) > (In reply to Jiong Wang from comment #5) > > we need to check the following > > > > else if (GET_CODE == CLOBBER > > || GET_CODE (x) == USE > > || GET_CODE (x) == ASM_INPUT) > > > > I will post the fix after pass x86 bootstrap and regression > > r215563 also introduced a miscompare on PowerPC for cpu2000 benchmark > 254.gap. Applying your patch proposed on the gcc-patches ml for this bug > fixes the issue. and I am curious about whether there are any performance change since this insn sink change.
