> __ffs on the available architectures:
> Alpha: sometimes (CONFIG_ALPHA_EV6, CONFIG_ALPHA_EV67)
> ARC: sometimes (!CONFIG_ISA_ARCOMPACT)
> ARM: sometimes (V5+)
> ARM64: NO, could be written using RBIT and CLZ
> AVR: yes
> Blackfin: NO, could be written using hweight()
> C6x: yes
> CRIS: NO
> FR-V: yes
> H8300: NO
> Hexagon: yes
> IA64: yes
> M32R: NO
> M68k: sometimes
> MetaG: NO
> Microblaze: NO
> MIPS: sometimes
> MN10300: yes
> OpenRISC: NO
> PA-RISC: NO? Interesting code, but I think it's a net loss.
> PowerPC: yes
> S390: sometimes (CONFIG_HAVE_MARCH_Z9_109_FEATURES)
> Score: NO
> SH: NO
> SPARC: NO
SPARC: sparc64: YES, sparc32: NO
Patch needs to be updated to refelct this.
Sam
