------- Comment #8 from hjl at lucon dot org 2007-04-05 17:54 ------- (In reply to comment #4) > (In reply to comment #3) > > > There is indeed a pattern without this check - sse2_pmaddwd. > > Due to %, it is commutative, so check for PLUS of V8HI mode would be OK. > > Please also change operands 1 and 2 of sdot_prodv8hi expander to > register_operand to avoid further suprises. >
I am not sure if there is an issue since op0 of sse2_pmaddwd must be register and it must be the same as op1 or op2. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31478
