fixed minor bug in -falign-* configure tests
cleaned up dependencies on .h files in engine/Makefile.in
made Alpha port compile with gcc-2.95 (disabled longlong.h division)
optimized Alpha port:
use old division code
native code after a jump is now aligned. Speed effect:
sieve bubble matrix fib
1.950 1.605 1.259 1.653 b1 gcc-3.3.5
1.453 1.932 1.230 1.458 b1 gcc-3.3.5 with alignment
aligning branch targets would probably also help
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