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

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

2012-02-19 Thread Kumar, Venkataramanan
Hi all, Sphinx3 benchmark segmented when built and ran with -Ofast and -fprefecth-loop-arrays. When I debugged the benchmark executable, found that it is caused due to register swapping happening at reload for the smaxdf3 pattern. 197r.ira - (insn 457 456 458 28 (set (reg:DF 687)

Re: GCC: OpenMP posix pthread

2012-02-19 Thread Erotavlas_turbo
> On 2/19/2012 9:42 AM, erotavlas_tu...@libero.it wrote: > > > I'm starting to use Helgrind a tool of Valgrind. I read on the manual the > > following statement: > > Runtime support library for GNU OpenMP (part of GCC), at least for GCC > > versions 4.2 and 4.3. The GNU OpenMP runtime library (li

Re: GCC: OpenMP posix pthread

2012-02-19 Thread Tim Prince
On 2/19/2012 9:42 AM, erotavlas_tu...@libero.it wrote: I'm starting to use Helgrind a tool of Valgrind. I read on the manual the following statement: Runtime support library for GNU OpenMP (part of GCC), at least for GCC versions 4.2 and 4.3. The GNU OpenMP runtime library (libgomp.so) constru

GCC: OpenMP posix pthread

2012-02-19 Thread Erotavlas_turbo
Hi, I'm starting to use Helgrind a tool of Valgrind. I read on the manual the following statement: Runtime support library for GNU OpenMP (part of GCC), at least for GCC versions 4.2 and 4.3. The GNU OpenMP runtime library (libgomp.so) constructs its own synchronisation primitives using combina