[r15998]

[r15997]

[r15996]

[r15995]

remove unnecessary (since lower_mode_b does it better) and wrong Mux optimisation, combine syncs with syncs

[r15994]

[r15993]

[r15991]

[r15990]

[r15989]

[r15986]

[r15985]

[r15980]

[r15979]

Fix some forgotten cases in the 64bit lowerer: The lower 32bits of a 64bit operation are always unsigned.

[r15978]

[r15977]

[r15976]

[r15975]

with multiple lines log message

[r15974]

[r15973]

[r15972]

[r15971]

[r15970]

[r15969]

[r15968]

[r15967]

[r15966]

[r15965]

[r15964]

[r15963]

[r15962]

[r15961]

[r15960]

[r15959]

[r15958]

[r15957]

[r15956]

[r15955]

[r15954]

Allow two should-be-same constraints for every out register. This is useful for commutative nodes on two address code machines (i.e. x86).

[r15953]

[r15952]