RE: [i386] Question about Constraint Modifier character in smaxdf3 pattern.

2012-02-20 Thread Kumar, Venkataramanan
> -Original Message- > From: Richard Guenther [mailto:richard.guent...@gmail.com] > Sent: Monday, February 20, 2012 4:58 PM > To: gcc@gcc.gnu.org > Cc: Kumar, Venkataramanan > Subject: Re: [i386] Question about Constraint Modifier character in smaxdf3 > pattern. >

Re: [i386] Question about Constraint Modifier character in smaxdf3 pattern.

2012-02-20 Thread Richard Guenther
On Sun, Feb 19, 2012 at 4:43 PM, Marc Glisse wrote: > On Sun, 19 Feb 2012, Kumar, Venkataramanan wrote: > >> Sphinx3 benchmark segmented when built and ran with -Ofast and >> -fprefecth-loop-arrays. > > [...] > >> In my case the register 367 is sNAN. > > > -Ofast implies -ffast-math which implies

Re: [i386] Question about Constraint Modifier character in smaxdf3 pattern.

2012-02-19 Thread Marc Glisse
On Sun, 19 Feb 2012, Kumar, Venkataramanan wrote: Sphinx3 benchmark segmented when built and ran with -Ofast and -fprefecth-loop-arrays. [...] In my case the register 367 is sNAN. -Ofast implies -ffast-math which implies -ffinite-math-only: Allow optimizations for floating-point arithme