Commit aec8a13d authored by Niels Möller's avatar Niels Möller

Disabled use of sha3-permute.asm

parent d7522caf
2012-12-30 Niels Möller <nisse@lysator.liu.se>
* configure.ac: Disabled use of sha3-permute.asm.
2012-12-20 Niels Möller <nisse@lysator.liu.se>
From Tim Rühsen:
......
......@@ -245,7 +245,7 @@ if test "x$enable_assembler" = xyes ; then
md5-compress.asm memxor.asm \
salsa20-crypt.asm salsa20-core-internal.asm \
serpent-encrypt.asm serpent-decrypt.asm \
sha1-compress.asm sha3-permute.asm machine.m4; do
sha1-compress.asm machine.m4; do
# echo "Looking for $srcdir/$asm_path/$tmp_f"
if test -f "$srcdir/$asm_path/$tmp_f"; then
# echo found
......
......@@ -17,6 +17,12 @@ C along with the nettle library; see the file COPYING.LIB. If not, write to
C the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
C MA 02111-1301, USA.
C NOTE: This code is currently unused. It gives a modest speedup on
C Intel processors, running at roughly two instructions per cycle, and
C a large slowdown on AMD processors, running at only a single
C instruction per cycle. Maybe it can be rewritten to not move data
C back and forth between xmm registers and regular 64-bit registers.
define(<CTX>, <%rdi>) C 25 64-bit values, 200 bytes.
define(<COUNT>, <%r8>) C Avoid clobbering %rsi, for W64.
......
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