On Wed, 6 Mar 2013, Alan Lehotsky wrote: > So, am I constructing my RTL incorrectly?
No. > Do I need to be > making the clobbers inside a parallel instead of just emitting > them sequentially? Exactly. > (define_insn "*addsi" > [(set (match_operand:SI 0 "nonimmediate_operand" "=rm,rm,rS,rm") > (plus:SI (match_operand:SI 1 "nonimmediate_operand" "%0, 0, 0,rm") > (match_operand:SI 2 "general_operand" "QI, K, i,rm")))] > ,........ Missing clobber. That's right, define_insn has an implicit parallel when more than one RTL clause is present, but you must emit one explicitly in define_expand. brgds, H-P
