On Sun, 7 Dec 2008 12:25:03 +0530 "Sujit Karataparambil" <[EMAIL PROTECTED]> wrote:
> > You're right, I guess we can't disable the "hardware" directly but if > > we let gcc know about this then it is possible that it will do further > > optimizations correct? > What sort of run time issues can addressed on an runtime usage. > I'm sorry I am not sure what you mean by this > > For example, I can compile a C program using regular gcc without any > > options and then adding the following and comparing the differences: > > > > "-mcpu=7400 -O2 -pipe -maltivec -mabi=altivec" > > These are stricly static rules. > > > > > This way the compiler "knows" about the hardware and tries to optimize > > the program based on that. > > How will you make an runtime sequence be made correclty to an compiler > > > > What do you think? > > reminds me of hennesey and patternson chapter 03. > Yeah you have good memory. I am reading that book and trying to better understand the difference between compiler speculation and hardware speculation. > > > > Thanks, > > Amit > > > > > > -- > > To UNSUBSCRIBE, email to [EMAIL PROTECTED] > > with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED] > > > > > > > -- > --linux(2.4/2.6),bsd(4.5.x+),solaris(2.5+) -- To UNSUBSCRIBE, email to [EMAIL PROTECTED] with a subject of "unsubscribe". Trouble? Contact [EMAIL PROTECTED]
