[PlanetCCRMA] Pentium-4 and denormal numbers on planetccrma

Steve Harris S.W.Harris@ecs.soton.ac.uk
Fri Jan 28 15:15:02 2005


On Fri, Jan 28, 2005 at 02:51:56 -0800, Fernando Pablo Lopez-Lezcano wrote:
> On Wed, 2005-01-12 at 03:40, Steve Harris wrote:
> > On Mon, Jan 10, 2005 at 11:07:55 +0100, andersvi@extern.uio.no wrote:
> > NB, using the SSE instruction set uses a more efficient denormal handler
> > (about 40x slower than processing a normal number), but it still doesnt
> > zero them, if you also call this function I hacked up when the program
> > starts:
> 
> Hi Steve, I'm trying to use this to see if I can get freeverb back from 
> denormal hell, but I can't compile it as position independent code as in
> that mode the compiler uses the bx register (I did some searches but
> could not find a solution that both compiled and did not segfault :-)

Erg. Its beyond my, almost non-existant, knowledge of x86 assemnbly
langauge to fix that I'm afraid.

- Steve