MULSI3_LIBCALL definition

MULSI3_LIBCALL definition

[lorenzo ivaldi]

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Could someone tell me how to 
implement MULSI3_LIBCALL macro apart from the libgcc1.a?
I am writing a compiler for a microcontroller 
produced in my laboratory and I haven't found any documentation apart a brief 
note on the gccdocs that refer to the examples provided in the description of 
the m68k.
Our chip do not have a physical mul and i have 
adapted the booth algorithm. But now I must insert it in place of the 
mul.
The compiler's asm calls "__mulsi3" and i do 
not know how to insert the algorithm.
Thanks in advance for assistance.
 
 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~  Ing. 
Lorenzo Ivaldi Research Affiliate at D.I.B.E (University of Genova, 
Italy)                                                                                
 E-Mail Casa: Amantar@libero.it                               
 E-Mail Lab: lord@atlas.dibe.unige.it                                                                                    
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Re: MULSI3_LIBCALL definition

[Alexandre Oliva]

On Jan 16, 2001, "lorenzo ivaldi" <lord@atlas.dibe.unige.it> wrote:

> The compiler's asm calls "__mulsi3" and i do not know how to insert
> the algorithm.

Add it to libgcc2.  For an example, look for LIB1ASM in
gcc/config/sh/t-sh, and have a look at gcc/config/sh/lib1funcs.asm.

-- 
Alexandre Oliva   Enjoy Guarana', see http://www.ic.unicamp.br/~oliva/
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