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28 lines
1.0 KiB
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28 lines
1.0 KiB
Plaintext
<OBSOLETE>
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All assember in this directory are just version of the file
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crypto/bn/bn_asm.c.
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Quite a few of these files are just the assember output from gcc since on
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quite a few machines they are 2 times faster than the system compiler.
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For the x86, I have hand written assember because of the bad job all
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compilers seem to do on it. This normally gives a 2 time speed up in the RSA
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routines.
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For the DEC alpha, I also hand wrote the assember (except the division which
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is just the output from the C compiler pasted on the end of the file).
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On the 2 alpha C compilers I had access to, it was not possible to do
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64b x 64b -> 128b calculations (both long and the long long data types
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were 64 bits). So the hand assember gives access to the 128 bit result and
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a 2 times speedup :-).
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There are 3 versions of assember for the HP PA-RISC.
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pa-risc.s is the origional one which works fine and generated using gcc :-)
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pa-risc2W.s and pa-risc2.s are 64 and 32-bit PA-RISC 2.0 implementations
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by Chris Ruemmler from HP (with some help from the HP C compiler).
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</OBSOLETE>
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