2011/10/28 Georg-Johann Lay <a...@gjlay.de>: > This is minor tweak to support 8-bit parity. > > Otherwise, the input operand of 8-bit values will be extended before parity > computation. > > The final representation as libgcc call is not generated in split1 and no more > in expand. Notice that > > - combine is not allowed to propagate hard regs into zero-extends. > - combine does not try parity:QI > > Ok for trunk? > > Johann > > * config/avr/avr.md (parityhi2): Expand allowing pseudos. > (*parityhi2): New pre-reload insn-and-split to map 16-bit parity > to the libgcc insn. > (*parityqihi2): Same for 8-bit parity. >
Approved. Denis.
