On Tue, 7 Oct 2008, Michael Poole wrote: > The e500 SPE unit is obnoxious to software on a number of levels: it > reuses AltiVec instruction space; it widens the GPRs (R0-R31) to 64 > bits to use them as 64-bit-integer/64-bit-float/SIMD-32-bit-float-pair > operands; it hijacks the AltiVec exception bit in the Machine Status > Register to enable accesses to the top halves of the 64-bit-wide > registers; *and* FreeScale says restrict it to libraries and device > drivers because SPE will go away in future chips.
Wow. That is obnoxious. N ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Valgrind-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/valgrind-users
