Re: [PATCH 3/5] lib: Add umoddi3 and udivmoddi4 of GCC library routines

From: Zong Li
Date: Wed Sep 26 2018 - 03:12:59 EST

Andreas Schwab <schwab@xxxxxxx> æ 2018å9æ25æ éä äå3:20åéï
> On Sep 25 2018, Zong Li <zongbox@xxxxxxxxx> wrote:
> > The RV32 need the umoddi3 to do modulo when the operands are long long
> > type, like other libraries implementation such as ucmpdi2, lshrdi3 and
> > so on. I encounter the undefined reference 'umoddi3' when I use the in
> > house dma driver, although it is in house driver, but I think that
> > umoddi3 is a common function for RV32.
> You probably should use the macros from <asm/div64.h> instead.

Hi Andreas,

This doesn't work for me, the divisor of my case is also long long type.