RGSHIFT
#define VA_VREG(va) (((unsigned int)(va) >> RGSHIFT) & 255)
? ((int)(vr) << RGSHIFT) \
: (((int)(vr) << (RGSHIFT+2)) >> 2))
? (((int)(vr) << RGSHIFT) + ((int)(vs) << SGSHIFT)) \
: ((((int)(vr) << (RGSHIFT+2)) >> 2) + ((int)(vs) << SGSHIFT)))
i = (baseoff + len + RGOFSET) >> RGSHIFT;
i = (baseoff + len + RGOFSET) >> RGSHIFT;
vr = virtual_end >> RGSHIFT;
evr = (eva + NBPRG - 1) >> RGSHIFT;
eva = evr << RGSHIFT;
addr = (reg << RGSHIFT) | i;
#define VA_VREG(va) (((unsigned int)(va) >> RGSHIFT) & 255)