diff --git a/cbits/decaf/p448/arch_32/f_impl.h b/cbits/decaf/p448/arch_32/f_impl.h
index 363916b..987d8be 100644
--- a/cbits/decaf/p448/arch_32/f_impl.h
+++ b/cbits/decaf/p448/arch_32/f_impl.h
@@ -10,37 +10,22 @@
 #define LIMB_PLACE_VALUE(i) 28
 
 void cryptonite_gf_add_RAW (gf out, const gf a, const gf b) {
-    for (unsigned int i=0; i<sizeof(*out)/sizeof(uint32xn_t); i++) {
-        ((uint32xn_t*)out)[i] = ((const uint32xn_t*)a)[i] + ((const uint32xn_t*)b)[i];
-    }
-    /*
-    unsigned int i;
-    for (i=0; i<sizeof(*out)/sizeof(out->limb[0]); i++) {
+    for (unsigned int i=0; i<sizeof(*out)/sizeof(out->limb[0]); i++) {
         out->limb[i] = a->limb[i] + b->limb[i];
     }
-    */
 }
 
 void cryptonite_gf_sub_RAW (gf out, const gf a, const gf b) {
-    for (unsigned int i=0; i<sizeof(*out)/sizeof(uint32xn_t); i++) {
-        ((uint32xn_t*)out)[i] = ((const uint32xn_t*)a)[i] - ((const uint32xn_t*)b)[i];
-    }
-    /*
-    unsigned int i;
-    for (i=0; i<sizeof(*out)/sizeof(out->limb[0]); i++) {
+    for (unsigned int i=0; i<sizeof(*out)/sizeof(out->limb[0]); i++) {
         out->limb[i] = a->limb[i] - b->limb[i];
     }
-    */
 }
 
-void cryptonite_gf_bias (gf a, int amt) {
+void cryptonite_gf_bias (gf a, int amt) {    
     uint32_t co1 = ((1ull<<28)-1)*amt, co2 = co1-amt;
-    uint32x4_t lo = {co1,co1,co1,co1}, hi = {co2,co1,co1,co1};
-    uint32x4_t *aa = (uint32x4_t*) a;
-    aa[0] += lo;
-    aa[1] += lo;
-    aa[2] += hi;
-    aa[3] += lo;
+    for (unsigned int i=0; i<sizeof(*a)/sizeof(a->limb[0]); i++) {
+        a->limb[i] += (i==sizeof(*a)/sizeof(a->limb[0])/2) ? co2 : co1;
+    }
 }
 
 void cryptonite_gf_weak_reduce (gf a) {
diff --git a/cbits/decaf/p448/f_generic.c b/cbits/decaf/p448/f_generic.c
index f8975c6..9c7f063 100644
--- a/cbits/decaf/p448/f_generic.c
+++ b/cbits/decaf/p448/f_generic.c
@@ -106,14 +106,14 @@ void cryptonite_gf_strong_reduce (gf a) {
     assert(word_is_zero(carry + scarry_0));
 }
 
-/** Add two gf elements */
+/** Subtract two gf elements d=a-b */
 void cryptonite_gf_sub (gf d, const gf a, const gf b) {
     cryptonite_gf_sub_RAW ( d, a, b );
     cryptonite_gf_bias( d, 2 );
     cryptonite_gf_weak_reduce ( d );
 }
 
-/** Subtract d = a-b */
+/** Add two field elements d = a+b */
 void cryptonite_gf_add (gf d, const gf a, const gf b) {
     cryptonite_gf_add_RAW ( d, a, b );
     cryptonite_gf_weak_reduce ( d );
diff --git a/cbits/decaf/tools/generate.sh b/cbits/decaf/tools/generate.sh
index 8356def..3323f58 100755
--- a/cbits/decaf/tools/generate.sh
+++ b/cbits/decaf/tools/generate.sh
@@ -6,7 +6,7 @@
 # (available at <git://git.code.sf.net/p/ed448goldilocks/code>).
 #
 # Project is synced with upstream commit
-# 'b29565fdfd654385b6d6e3257e60a7e94636057f'.
+# '807a7e67decbf8ccc10be862cdf9ae03653ffe70'.
 #
 # Notes about transformations applied:
 #