From d0f54a4100364b729e29d2c2a312e222a914a609 Mon Sep 17 00:00:00 2001
From: Michael Mohr <akihana@gmail.com>
Date: Tue, 28 Dec 2010 14:25:35 -0800
Subject: [PATCH] document what must be fixed for armeabi

---
 src/mont/fp_montgomery_reduce.c | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/src/mont/fp_montgomery_reduce.c b/src/mont/fp_montgomery_reduce.c
index 8ed733b..396087a 100644
--- a/src/mont/fp_montgomery_reduce.c
+++ b/src/mont/fp_montgomery_reduce.c
@@ -352,6 +352,16 @@ asm(                               \
 #define LOOP_START \
    mu = c[x] * mp
 
+/*
+These will need a complete rewrite for armeabi:
+  * ADDS is not supported in Thumb16 mode
+  * Thumb does not support conditional execution (MOVCS/MOVCC)
+  * armv5te+xscale does not support UMLAL
+ADDS - add and set condition flags (bottom of page 16, arm_inst.pdf)
+MOVCS / MOVCC - move if carry bit is set / clear
+UMLAL RdLo, RdHi, Rn, Rm - unsigned multiply Rn and Rm, then
+                           add resulting 64-bit value to (RdHi,RdLo)
+*/
 #define INNERMUL                    \
 asm(                                \
     " LDR    r0,%1            \n\t" \