2015-07-21 15:54 GMT+03:00 Georg-Johann Lay <a...@gjlay.de>: > This works around an assumption in optabs, namely that if a widening-mul > insn is available but no mul<mode>3 insn, then the widening multiplication > insn is preferred over expanding the <mode> multiply as a libcall. > > The problem occurs only if !AVR_HAVE_MUL, so I added that condition to > respective mulsidi3 patterns in avr-dimode.md. > > Ok for trunk, 5-branch and 4_9-branch?
Approved. Please commit. > > > PR target/66956 > * config/avr/avr-dimode.md (<extend_u>mulsidi3_insn) > (<extend_u>mulsidi3): Don't use if !AVR_HAVE_MUL. >
