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no mul/div instruction
\ Kunal Parmar (22 Apr 2008)
. \ Ian Lance Taylor (22 Apr 2008)
. . \ Kunal Parmar (22 Apr 2008)
. . . \ Ian Lance Taylor (22 Apr 2008)
. . . . \ Kunal Parmar (22 Apr 2008)
. . . . . \ Ian Lance Taylor (22 Apr 2008)
. . . . . . \ Kunal Parmar (23 Apr 2008)
. . . . . . . \ Kunal Parmar (23 Apr 2008)

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Subject:no mul/div instruction
Group:Gcc
From:Kunal Parmar
Date:22 Apr 2008


Hi all,

I am porting GCC to a new 16 bit RISC architecture which does not have
multiplication and division instructions. I figured that I have to provide
emulation routines for the multiplication and division which will be
inserted into libgcc2.a. But I am confused about which versions of these
routines to provide i.e. do I provide __mulsi3 or __mulhi3 or both.

Thanks in advance,
Kunal


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