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Add ARM fast multiply/square for secp224r1.

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Ken MacKay
2015-06-28 21:47:16 -07:00
parent 1015fe5c43
commit 05cdd402f2
3 changed files with 567 additions and 8 deletions
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scripts/mult_arm.py
+4 -4
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@@ -26,8 +26,8 @@ ry = [6, 7, 8]
emit("add r0, %s", (size - init_size) * 4) # move z
emit("add r2, %s", (size - init_size) * 4) # move y
emit("ldmia r1!, {%s}", ",".join(["r%s" % (rx[i]) for i in xrange(init_size)]))
emit("ldmia r2!, {%s}", ",".join(["r%s" % (ry[i]) for i in xrange(init_size)]))
emit("ldmia r1!, {%s}", ", ".join(["r%s" % (rx[i]) for i in xrange(init_size)]))
emit("ldmia r2!, {%s}", ", ".join(["r%s" % (ry[i]) for i in xrange(init_size)]))
print ""
if init_size == 1:
@@ -84,11 +84,11 @@ emit("sub r0, %s", (2 * init_size + 3) * 4)
emit("sub r2, %s", (init_size + 3) * 4)
#### load y registers
emit("ldmia r2!, {%s}", ",".join(["r%s" % (ry[i]) for i in xrange(3)]))
emit("ldmia r2!, {%s}", ", ".join(["r%s" % (ry[i]) for i in xrange(3)]))
#### load additional x registers
if init_size != 3:
emit("ldmia r1!, {%s}", ",".join(["r%s" % (rx[i]) for i in xrange(init_size, 3)]))
emit("ldmia r1!, {%s}", ", ".join(["r%s" % (rx[i]) for i in xrange(init_size, 3)]))
print ""
prev_size = init_size