On Wed, Dec 02, 2015 at 01:55:17AM +0000, Segher Boessenkool wrote: > + emit_insn (gen_subdi3 (tmp, op1, op2)); > + emit_insn (gen_lshrdi3 (tmp2, tmp, GEN_INT (63))); > + emit_insn (gen_anddi3 (tmp3, tmp2, const1_rtx));
Why the AND? The top 63 bits are already clear. -- Alan Modra Australia Development Lab, IBM
