------- Comment #5 from hjl at lucon dot org 2007-04-05 15:12 ------- (In reply to comment #3) > > There is no corresponding define_expand for this pattern. Many define_insn > > patterns without define_expand don't call ix86_binary_operator_ok. Will that > > be a problem? > > Those are sse builtins and are expanded via ix86_expand_binop_builtin(). This > function fixes all operands to satisfy ix86_binary_operator_ok(). >
So anothe word is those patterns are used by ix86_expand_binop_builtin() and won't be generated automatically. Will be "sse2_umulv2siv2di3" generated automatically? If yes, what makes it different from other patterns used by ix86_expand_binop_builtin() only? -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=31478
