Date: Fri, 19 Feb 1999 21:32:43 -0500
Message-Id: <199902200232.VAA01609@envy.delorie.com>
From: DJ Delorie <dj AT delorie DOT com>
To: djgpp AT delorie DOT com
In-reply-to: <01be5c77$b9a7d440$099e60cb@gnome> (pwishart@xtra.co.nz)
Subject: Re: memcpy
References:  <01be5c77$b9a7d440$099e60cb AT gnome>
Reply-To: djgpp AT delorie DOT com


> is memcpy a 32 bit copy?...i.e rep movsd?

memcpy, like most block move instructions, uses __dj_movedata, which
does enough byte moves to align the pointers, then uses 32-bit moves
as much as possible, then uses byte moves for the remainder.