Messages in this thread | | | Date | Tue, 25 Sep 2018 08:25:08 -0700 | From | Christoph Hellwig <> | Subject | Re: [PATCH 3/5] lib: Add umoddi3 and udivmoddi4 of GCC library routines |
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On Tue, Sep 25, 2018 at 10:19:55AM +0800, Zong Li 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. The udivmoddi4 and umoddi3 are > copies from libgcc in gcc. There are other functions use the > udivmoddi4 in libgcc, so I separate the umoddi3 and udivmoddi4 for > flexible extension in the future.
I don't think libgcc is GPLv2 licensed, is it? Also please retain the copyright notices from libgcc.
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