LGTM. Is it possible to mod INTR_TYPE_1OP_MASK_RM and INTR_TYPE_SCALAR_MASK_RM to use the new X86ISD::ROUNDMODE node? This could be done under a separate patch. REPOSITORY rL LLVM http://reviews.llvm.org/D6835 EMAIL PREFERENCES http://reviews.llvm.org/settings/panel/emailpreferences/