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| author | Niels Möller <nisse@lysator.liu.se> | 2002-05-14 19:39:59 +0200 |
|---|---|---|
| committer | Niels Möller <nisse@lysator.liu.se> | 2002-05-14 19:39:59 +0200 |
| commit | bd175463920af917aa12bbeca982d85de9bcbad9 (patch) | |
| tree | 6c3847532d93ab96f2c44b61d2b1a162e6d26601 /x86/machine.m4 | |
| parent | 72de3727377244f0030c121c5dc9c4a3e9cee2b9 (diff) | |
| download | nettle-bd175463920af917aa12bbeca982d85de9bcbad9.tar.gz | |
* x86/machine.m4 (AES_STORE): New macro.
Rev: src/nettle/x86/machine.m4:1.3
Diffstat (limited to 'x86/machine.m4')
| -rw-r--r-- | x86/machine.m4 | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/x86/machine.m4 b/x86/machine.m4 index d145b5b3..552de7a1 100644 --- a/x86/machine.m4 +++ b/x86/machine.m4 @@ -13,3 +13,20 @@ define(<AES_LAST_ROUND>, < movl %e<>$4<>x,%ebp andl <$>0xff000000,%ebp orl %ebp,%edi>)dnl + +dnl AES_STORE(key, dst) +dnl Adds the subkey pointed to by %esi to %eax-%edx, +dnl and stores the result in the area pointed to by %edi. +dnl Note that x86 allows unaligned accesses. +dnl Would it be preferable to interleave the loads and stores? +define(<AES_STORE>, < + xorl ($1),%eax + xorl 4($1),%ebx + xorl 8($1),%ecx + xorl 12($1),%edx + + movl %eax,($2) + movl %ebx,4($2) + movl %ecx,8($2) + movl %edx,12($2)>)dnl + |