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

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

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

[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: [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