|
| From: | Edmund Grimley Evans |
| Subject: | Re: [Tinycc-devel] [PATCH] tccgen.c: Optimise 0<<x, 0>>x, -1>>x, x&0, x*0, x|-1, x%1. |
| Date: | Fri, 6 Mar 2015 07:43:41 +0000 |
| User-agent: | Mutt/1.5.21 (2010-09-15) |
Sergey Korshunoff <address@hidden>:
> > + if (l2 == 1)
> > + memset(&vtop->c, 0, sizeof(vtop->c));
>
> What this means?
It's a valid alternative to writing something like:
if (t1 == VT_LLONG)
vtop->c.ll = 0;
else if (vtop->type.t & VT_UNSIGNED)
vtop->c.ui = 0;
else
vtop->c.i = 0;
Which is probably still not really correct because there are another
couple of integer union members. See my message with the title
"CValue"!
Edmund
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