[M3devel] hand.c : m3_div

[Tony Hosking]

Yes, I've wondered that for some time, but never been certain what code they produce....

There's no way to generate the ones we would want from C.

Antony Hosking | Associate Professor | Computer Science | Purdue University
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On 17 Feb 2010, at 06:07, Jay K wrote:

> Tony, presumably one of these will do:
>  
>  
> C:\dev2\cm3.2\m3-sys\m3cc\gcc\gcc\tree.def
>  
> /* Division for integer result that rounds the quotient toward zero.  */
> DEFTREECODE (TRUNC_DIV_EXPR, "trunc_div_expr", tcc_binary, 2)
>  
> /* Division for integer result that rounds the quotient toward infinity.  */
> DEFTREECODE (CEIL_DIV_EXPR, "ceil_div_expr", tcc_binary, 2)
>  
> /* Division for integer result that rounds toward minus infinity.  */
> DEFTREECODE (FLOOR_DIV_EXPR, "floor_div_expr", tcc_binary, 2)
>  
> /* Division for integer result that rounds toward nearest integer.  */
> DEFTREECODE (ROUND_DIV_EXPR, "round_div_expr", tcc_binary, 2)
>  
> /* Four kinds of remainder that go with the four kinds of division.  */
> 
> DEFTREECODE (TRUNC_MOD_EXPR, "trunc_mod_expr", tcc_binary, 2)
> DEFTREECODE (CEIL_MOD_EXPR, "ceil_mod_expr", tcc_binary, 2)
> DEFTREECODE (FLOOR_MOD_EXPR, "floor_mod_expr", tcc_binary, 2)
> DEFTREECODE (ROUND_MOD_EXPR, "round_mod_expr", tcc_binary, 2)
> 
> 
> I can look into it.
> 
>  - Jay

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