diff --git a/wolfcrypt/src/sp_int.c b/wolfcrypt/src/sp_int.c
index e11628fcd..8202d2e8f 100644
--- a/wolfcrypt/src/sp_int.c
+++ b/wolfcrypt/src/sp_int.c
@@ -436,7 +436,7 @@ This library provides single precision (SP) integer math functions.
  * @param  [in]  hi  SP integer digit. High digit of the dividend.
  * @param  [in]  lo  SP integer digit. Lower digit of the dividend.
  * @param  [in]  d   SP integer digit. Number to divide by.
- * @reutrn  The division result.
+ * @return  The division result.
  */
 static WC_INLINE sp_int_digit sp_div_word(sp_int_digit hi, sp_int_digit lo,
                                           sp_int_digit d)
@@ -621,7 +621,7 @@ static WC_INLINE sp_int_digit sp_div_word(sp_int_digit hi, sp_int_digit lo,
  * @param  [in]  hi  SP integer digit. High digit of the dividend.
  * @param  [in]  lo  SP integer digit. Lower digit of the dividend.
  * @param  [in]  d   SP integer digit. Number to divide by.
- * @reutrn  The division result.
+ * @return  The division result.
  */
 static WC_INLINE sp_int_digit sp_div_word(sp_int_digit hi, sp_int_digit lo,
                                           sp_int_digit d)
@@ -784,6 +784,71 @@ static WC_INLINE sp_int_digit sp_div_word(sp_int_digit hi, sp_int_digit lo,
         : "cc"                                           \
     )
 
+#ifndef WOLFSSL_SP_DIV_WORD_HALF
+/* Divide a two digit number by a digit number and return. (hi | lo) / d
+ *
+ * Using divl instruction on Intel x64.
+ *
+ * @param  [in]  hi  SP integer digit. High digit of the dividend.
+ * @param  [in]  lo  SP integer digit. Lower digit of the dividend.
+ * @param  [in]  d   SP integer digit. Number to divide by.
+ * @return  The division result.
+ */
+static WC_INLINE sp_int_digit sp_div_word(sp_int_digit hi, sp_int_digit lo,
+                                          sp_int_digit d)
+{
+    sp_int_digit r;
+
+    __asm__ __volatile__ (
+        "lsr    x5, %[d], 32\n\t"
+        "add    x5, x5, 1\n\t"
+
+        "udiv   x3, %[hi], x5\n\t"
+        "lsl    x6, x3, 32\n\t"
+        "mul    x4, %[d], x6\n\t"
+        "umulh  x3, %[d], x6\n\t"
+        "subs   %[lo], %[lo], x4\n\t"
+        "sbc    %[hi], %[hi], x3\n\t"
+
+        "udiv   x3, %[hi], x5\n\t"
+        "lsl    x3, x3, 32\n\t"
+        "add    x6, x6, x3\n\t"
+        "mul    x4, %[d], x3\n\t"
+        "umulh  x3, %[d], x3\n\t"
+        "subs   %[lo], %[lo], x4\n\t"
+        "sbc    %[hi], %[hi], x3\n\t"
+
+        "lsr    x3, %[lo], 32\n\t"
+        "orr    x3, x3, %[hi], lsl 32\n\t"
+
+        "udiv   x3, x3, x5\n\t"
+        "add    x6, x6, x3\n\t"
+        "mul    x4, %[d], x3\n\t"
+        "umulh  x3, %[d], x3\n\t"
+        "subs   %[lo], %[lo], x4\n\t"
+        "sbc    %[hi], %[hi], x3\n\t"
+
+        "lsr    x3, %[lo], 32\n\t"
+        "orr    x3, x3, %[hi], lsl 32\n\t"
+
+        "udiv   x3, x3, x5\n\t"
+        "add    x6, x6, x3\n\t"
+        "mul    x4, %[d], x3\n\t"
+        "sub    %[lo], %[lo], x4\n\t"
+
+        "udiv   x3, %[lo], %[d]\n\t"
+        "add    %[r], x6, x3\n\t"
+
+        : [r] "=r" (r)
+        : [hi] "r" (hi), [lo] "r" (lo), [d] "r" (d)
+        : "x3", "x4", "x5", "x6"
+    );
+
+    return r;
+}
+#define SP_ASM_DIV_WORD
+#endif
+
 #define SP_INT_ASM_AVAILABLE
 
     #endif /* WOLFSSL_SP_ARM64 && SP_WORD_SIZE == 64 */
@@ -918,6 +983,72 @@ static WC_INLINE sp_int_digit sp_div_word(sp_int_digit hi, sp_int_digit lo,
         : "cc"                                           \
     )
 
+#ifndef WOLFSSL_SP_DIV_WORD_HALF
+/* Divide a two digit number by a digit number and return. (hi | lo) / d
+ *
+ * Using divl instruction on Intel x64.
+ *
+ * @param  [in]  hi  SP integer digit. High digit of the dividend.
+ * @param  [in]  lo  SP integer digit. Lower digit of the dividend.
+ * @param  [in]  d   SP integer digit. Number to divide by.
+ * @return  The division result.
+ */
+static WC_INLINE sp_int_digit sp_div_word(sp_int_digit hi, sp_int_digit lo,
+                                          sp_int_digit d)
+{
+    sp_digit r = 0;
+
+    __asm__ __volatile__ (
+        "lsr    r5, %[d], #1\n\t"
+        "add    r5, r5, #1\n\t"
+        "mov    r6, %[lo]\n\t"
+        "mov    r7, %[hi]\n\t"
+        "# Do top 32\n\t"
+        "subs   r8, r5, r7\n\t"
+        "sbc    r8, r8, r8\n\t"
+        "add    %[r], %[r], %[r]\n\t"
+        "sub    %[r], %[r], r8\n\t"
+        "and    r8, r8, r5\n\t"
+        "subs   r7, r7, r8\n\t"
+        "# Next 30 bits\n\t"
+        "mov    r4, #29\n\t"
+        "1:\n\t"
+        "movs   r6, r6, lsl #1\n\t"
+        "adc    r7, r7, r7\n\t"
+        "subs   r8, r5, r7\n\t"
+        "sbc    r8, r8, r8\n\t"
+        "add    %[r], %[r], %[r]\n\t"
+        "sub    %[r], %[r], r8\n\t"
+        "and    r8, r8, r5\n\t"
+        "subs   r7, r7, r8\n\t"
+        "subs   r4, r4, #1\n\t"
+        "bpl    1b\n\t"
+        "add    %[r], %[r], %[r]\n\t"
+        "add    %[r], %[r], #1\n\t"
+        "umull  r4, r5, %[r], %[d]\n\t"
+        "subs   r4, %[lo], r4\n\t"
+        "sbc    r5, %[hi], r5\n\t"
+        "add    %[r], %[r], r5\n\t"
+        "umull  r4, r5, %[r], %[d]\n\t"
+        "subs   r4, %[lo], r4\n\t"
+        "sbc    r5, %[hi], r5\n\t"
+        "add    %[r], %[r], r5\n\t"
+        "umull  r4, r5, %[r], %[d]\n\t"
+        "subs   r4, %[lo], r4\n\t"
+        "sbc    r5, %[hi], r5\n\t"
+        "add    %[r], %[r], r5\n\t"
+        "subs   r8, %[d], r4\n\t"
+        "sbc    r8, r8, r8\n\t"
+        "sub    %[r], %[r], r8\n\t"
+        : [r] "+r" (r)
+        : [hi] "r" (hi), [lo] "r" (lo), [d] "r" (d)
+        : "r4", "r5", "r6", "r7", "r8"
+    );
+    return r;
+}
+#define SP_ASM_DIV_WORD
+#endif
+
 #define SP_INT_ASM_AVAILABLE
 
     #endif /* (WOLFSSL_SP_ARM32 || ARM_CORTEX_M) && SP_WORD_SIZE == 32 */
@@ -3394,7 +3525,7 @@ int sp_mul_d(sp_int* a, sp_int_digit d, sp_int* r)
  * @param  [in]  hi  SP integer digit. High digit of the dividend.
  * @param  [in]  lo  SP integer digit. Lower digit of the dividend.
  * @param  [in]  d   SP integer digit. Number to divide by.
- * @reutrn  The division result.
+ * @return  The division result.
  */
 static WC_INLINE sp_int_digit sp_div_word(sp_int_digit hi, sp_int_digit lo,
                                           sp_int_digit d)