Am 28.01.2013 19:52, schrieb Richard Henderson:
> Richard Henderson (2):
> host-utils: Use __int128 for mul[us]64
> host-utils: Improve mulu64 and muls64
Please fix Coding Style warnings in the latter (e.g., no space before
parenthesis, spacing aroung = ).
More importantly I wonder if we coul
This improves code generation for mul[us]64 for all hosts.
In the case of ia64 and s390x we see immediate benefit as
we get to use the native 128-bit multiply insn. In the
case of ppc64, we need a patch to gcc to enable this; I
hope to get such a patch into gcc 4.8.0, but it may have
to wait for