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Diffstat (limited to 'src/lib/libcrypto/bn/asm/README')
-rw-r--r-- | src/lib/libcrypto/bn/asm/README | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/src/lib/libcrypto/bn/asm/README b/src/lib/libcrypto/bn/asm/README index b0f3a68a06..323d1a06b9 100644 --- a/src/lib/libcrypto/bn/asm/README +++ b/src/lib/libcrypto/bn/asm/README | |||
@@ -1,23 +1,23 @@ | |||
1 | <OBSOLETE> | 1 | <OBSOLETE> |
2 | 2 | ||
3 | All assember in this directory are just version of the file | 3 | All assembler in this directory are just version of the file |
4 | crypto/bn/bn_asm.c. | 4 | crypto/bn/bn_asm.c. |
5 | 5 | ||
6 | Quite a few of these files are just the assember output from gcc since on | 6 | Quite a few of these files are just the assembler output from gcc since on |
7 | quite a few machines they are 2 times faster than the system compiler. | 7 | quite a few machines they are 2 times faster than the system compiler. |
8 | 8 | ||
9 | For the x86, I have hand written assember because of the bad job all | 9 | For the x86, I have hand written assembler because of the bad job all |
10 | compilers seem to do on it. This normally gives a 2 time speed up in the RSA | 10 | compilers seem to do on it. This normally gives a 2 time speed up in the RSA |
11 | routines. | 11 | routines. |
12 | 12 | ||
13 | For the DEC alpha, I also hand wrote the assember (except the division which | 13 | For the DEC alpha, I also hand wrote the assembler (except the division which |
14 | is just the output from the C compiler pasted on the end of the file). | 14 | is just the output from the C compiler pasted on the end of the file). |
15 | On the 2 alpha C compilers I had access to, it was not possible to do | 15 | On the 2 alpha C compilers I had access to, it was not possible to do |
16 | 64b x 64b -> 128b calculations (both long and the long long data types | 16 | 64b x 64b -> 128b calculations (both long and the long long data types |
17 | were 64 bits). So the hand assember gives access to the 128 bit result and | 17 | were 64 bits). So the hand assembler gives access to the 128 bit result and |
18 | a 2 times speedup :-). | 18 | a 2 times speedup :-). |
19 | 19 | ||
20 | There are 3 versions of assember for the HP PA-RISC. | 20 | There are 3 versions of assembler for the HP PA-RISC. |
21 | 21 | ||
22 | pa-risc.s is the origional one which works fine and generated using gcc :-) | 22 | pa-risc.s is the origional one which works fine and generated using gcc :-) |
23 | 23 | ||