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

From: Andreas Schwab
Date: Tue Sep 25 2018 - 03:20:30 EST


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.

Andreas.

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Andreas Schwab, SUSE Labs, schwab@xxxxxxx
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