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From: Brad F. <bra...@gm...> - 2006-10-04 17:56:28
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Thanks, Valgrind 3.2.1 worked like a charm! Not sure why I didn't think of trying it in the first place. Your suggestion is much appreciated, Brad On 10/4/06, Josef Weidendorfer <Jos...@gm...> wrote: > > On Monday 02 October 2006 19:40, Brad Fish wrote: > > vex x86->IR: unhandled instruction bytes: 0xDB 0x8D 0xF0 0xDB > > ==28501== valgrind: Unrecognised instruction at address 0x4390741. > > Have you checked with Valgrind 3.2.1? > If you get the same problem, please rise a bug report for it. > > > instruction. The only major change on my system since I ran valgrind on > this > > app successfully a few months ago was my recent switch to GCC 4.1 from > 3.4. > > My -march hasn't changed at all (prescott). > > That seems to be the reason. The autovectorizer (for using the SIMD > instructions, ie. SSEx) in gcc improved a lot in GCC 4.0/1, so probably > GCC 3.4 never produced the above instruction. > > Josef > |