Date: Mon, 25 Jun 2001 22:42:11 -0400 Message-Id: <200106260242.WAA00615@envy.delorie.com> X-Authentication-Warning: envy.delorie.com: dj set sender to dj AT envy DOT delorie DOT com using -f From: DJ Delorie To: djgpp AT delorie DOT com In-reply-to: <3b37e92e.288745911@news.primus.ca> (invalid@erehwon.invalid) Subject: Re: DJGPP reserves wrong int size References: <9dde68b7 DOT 0106241053 DOT 2a385311 AT posting DOT google DOT com> <200106242138 DOT RAA18013 AT envy DOT delorie DOT com> <3b37e92e DOT 288745911 AT news DOT primus DOT ca> Reply-To: djgpp AT delorie DOT com Errors-To: nobody AT delorie DOT com X-Mailing-List: djgpp AT delorie DOT com X-Unsubscribes-To: listserv AT delorie DOT com Precedence: bulk > Modern processors care about alignments as large as *256 bits*!? 64 > bits for doubles or for ints on 64 bit chips, I figured, but 256!? Cache lines are often that large. Aligning data to cache lines improves cache performance. And long doubles should be 16-byte aligned (128 bits), which is only half of the the default anyway.