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diff --git a/arm/ecc-192-modp.asm b/arm/ecc-192-modp.asm
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+C nettle, low-level cryptographics library
+C
+C Copyright (C) 2013, Niels Möller
+C
+C The nettle library is free software; you can redistribute it and/or modify
+C it under the terms of the GNU Lesser General Public License as published by
+C the Free Software Foundation; either version 2.1 of the License, or (at your
+C option) any later version.
+C
+C The nettle library is distributed in the hope that it will be useful, but
+C WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+C or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public
+C License for more details.
+C
+C You should have received a copy of the GNU Lesser General Public License
+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.
+
+	.file "ecc-192-modp.asm"
+	.arm
+
+define(<HP>, <r0>) C Overlaps unused ecc argument
+define(<RP>, <r1>)
+
+define(<T0>, <r2>)
+define(<T1>, <r3>)
+define(<T2>, <r4>)
+define(<T3>, <r5>)
+define(<T4>, <r6>)
+define(<T5>, <r7>)
+define(<T6>, <r8>)
+define(<T7>, <r10>)
+define(<H0>, <T0>) C Overlaps T0 and T1
+define(<H1>, <T1>)
+define(<C2>, <HP>)
+define(<C4>, <r12>)
+
+	C ecc_192_modp (const struct ecc_curve *ecc, mp_limb_t *rp)
+	.text
+	.align 2
+
+PROLOGUE(nettle_ecc_192_modp)
+	push	{r4,r5,r6,r7,r8,r10}
+	C Reduce two words at a time
+	add	HP, RP, #48
+	add	RP, RP, #8
+	ldmdb	HP!, {H0,H1}
+	ldm	RP, {T2,T3,T4,T5,T6,T7}
+	mov	C4, #0
+	adds	T4, T4, H0
+	adcs	T5, T5, H1
+	adcs	T6, T6, H0
+	adcs	T7, T7, H1
+	C Need to add carry to T2 and T4, do T4 later.
+	adc	C4, C4, #0
+
+	ldmdb	HP!, {H0,H1}
+	mov	C2, #0
+	adcs	T2, T2, H0
+	adcs	T3, T3, H1
+	adcs	T4, T4, H0
+	adcs	T5, T5, H1
+	C Need to add carry to T0 and T2, do T2 later
+	adc	C2, C2, #0
+
+	ldmdb	RP!, {T0, T1}
+	adcs	T0, T0, T6
+	adcs	T1, T1, T7
+	adcs	T2, T2, T6
+	adcs	T3, T3, T7
+	adc	C4, C4, #0
+
+	adds	T2, T2, C2
+	adcs	T3, T3, #0
+	adcs	T4, T4, C4
+	adcs	T5, T5, #0
+	mov	C2, #0
+	adc	C2, C2, #0
+
+	C Add in final carry
+	adcs	T0, T0, #0
+	adcs	T1, T1, #0
+	adcs	T2, T2, C2
+	adcs	T3, T3, #0
+	adcs	T4, T4, #0
+	adc	T5, T5, #0
+
+	stm	RP, {T0,T1,T2,T3,T4,T5}
+
+	pop	{r4,r5,r6,r7,r8,r10}
+	bx	lr
+EPILOGUE(nettle_ecc_192_modp)