Converted avx, sse and scalar platform specific code to the new bitreverse interface.
Added prefetching.
tmp
Reduced generated code size in some places.
Replaced pragma attribute with @attribute.
Moved some stuff to pfft.common.
Added more attributes.
Dropped support for old versions of DMD.
Fixed some compile errors.
Added prefetching for LDC.
Don't use GDC attributes for now.
Added pfft.instantiate_declarations
Added _d_assert_msg stub.
Fixed a PIC bug in pfft.detect_avx

Also added all-dynamic-c to accuracy.d
Note: There is still one known bug in here, dynamic c library
compiled with --debug fails to load.
Added noboundscheck to buildutils and fixed some linker errors.
Use direct interface for PGO.
updated pfft.neon_float
Removed UDAs