From e436c963f0976b885a7db04681344779e26dd3b5 Mon Sep 17 00:00:00 2001
From: Arne Schwabe <arne@rfc2549.org>
Date: Wed, 23 Apr 2014 09:56:37 +0200
Subject: Update OpenSSL to 1.0.1g and statically link OpenVPN with it

---
 main/openssl/crypto/bn/asm/bn-mips.S | 2175 ++++++++++++++++++++++++++++++++++
 1 file changed, 2175 insertions(+)
 create mode 100644 main/openssl/crypto/bn/asm/bn-mips.S

(limited to 'main/openssl/crypto/bn/asm/bn-mips.S')

diff --git a/main/openssl/crypto/bn/asm/bn-mips.S b/main/openssl/crypto/bn/asm/bn-mips.S
new file mode 100644
index 00000000..2e7cccb7
--- /dev/null
+++ b/main/openssl/crypto/bn/asm/bn-mips.S
@@ -0,0 +1,2175 @@
+.set	mips2
+.rdata
+.asciiz	"mips3.s, Version 1.2"
+.asciiz	"MIPS II/III/IV ISA artwork by Andy Polyakov <appro@fy.chalmers.se>"
+
+.text
+.set	noat
+
+.align	5
+.globl	bn_mul_add_words
+.ent	bn_mul_add_words
+bn_mul_add_words:
+	.set	noreorder
+	bgtz	$6,bn_mul_add_words_internal
+	move	$2,$0
+	jr	$31
+	move	$4,$2
+.end	bn_mul_add_words
+
+.align	5
+.ent	bn_mul_add_words_internal
+bn_mul_add_words_internal:
+	.set	reorder
+	li	$3,-4
+	and	$8,$6,$3
+	beqz	$8,.L_bn_mul_add_words_tail
+
+.L_bn_mul_add_words_loop:
+	lw	$12,0($5)
+	multu	$12,$7
+	lw	$13,0($4)
+	lw	$14,4($5)
+	lw	$15,4($4)
+	lw	$8,2*4($5)
+	lw	$9,2*4($4)
+	addu	$13,$2
+	sltu	$2,$13,$2	# All manuals say it "compares 32-bit
+				# values", but it seems to work fine
+				# even on 64-bit registers.
+	mflo	$1
+	mfhi	$12
+	addu	$13,$1
+	addu	$2,$12
+	 multu	$14,$7
+	sltu	$1,$13,$1
+	sw	$13,0($4)
+	addu	$2,$1
+
+	lw	$10,3*4($5)
+	lw	$11,3*4($4)
+	addu	$15,$2
+	sltu	$2,$15,$2
+	mflo	$1
+	mfhi	$14
+	addu	$15,$1
+	addu	$2,$14
+	 multu	$8,$7
+	sltu	$1,$15,$1
+	sw	$15,4($4)
+	addu	$2,$1
+
+	subu	$6,4
+	addu $4,4*4
+	addu $5,4*4
+	addu	$9,$2
+	sltu	$2,$9,$2
+	mflo	$1
+	mfhi	$8
+	addu	$9,$1
+	addu	$2,$8
+	 multu	$10,$7
+	sltu	$1,$9,$1
+	sw	$9,-2*4($4)
+	addu	$2,$1
+
+
+	and	$8,$6,$3
+	addu	$11,$2
+	sltu	$2,$11,$2
+	mflo	$1
+	mfhi	$10
+	addu	$11,$1
+	addu	$2,$10
+	sltu	$1,$11,$1
+	sw	$11,-4($4)
+	.set	noreorder
+	bgtz	$8,.L_bn_mul_add_words_loop
+	addu	$2,$1
+
+	beqz	$6,.L_bn_mul_add_words_return
+	nop
+
+.L_bn_mul_add_words_tail:
+	.set	reorder
+	lw	$12,0($5)
+	multu	$12,$7
+	lw	$13,0($4)
+	subu	$6,1
+	addu	$13,$2
+	sltu	$2,$13,$2
+	mflo	$1
+	mfhi	$12
+	addu	$13,$1
+	addu	$2,$12
+	sltu	$1,$13,$1
+	sw	$13,0($4)
+	addu	$2,$1
+	beqz	$6,.L_bn_mul_add_words_return
+
+	lw	$12,4($5)
+	multu	$12,$7
+	lw	$13,4($4)
+	subu	$6,1
+	addu	$13,$2
+	sltu	$2,$13,$2
+	mflo	$1
+	mfhi	$12
+	addu	$13,$1
+	addu	$2,$12
+	sltu	$1,$13,$1
+	sw	$13,4($4)
+	addu	$2,$1
+	beqz	$6,.L_bn_mul_add_words_return
+
+	lw	$12,2*4($5)
+	multu	$12,$7
+	lw	$13,2*4($4)
+	addu	$13,$2
+	sltu	$2,$13,$2
+	mflo	$1
+	mfhi	$12
+	addu	$13,$1
+	addu	$2,$12
+	sltu	$1,$13,$1
+	sw	$13,2*4($4)
+	addu	$2,$1
+
+.L_bn_mul_add_words_return:
+	.set	noreorder
+	jr	$31
+	move	$4,$2
+.end	bn_mul_add_words_internal
+
+.align	5
+.globl	bn_mul_words
+.ent	bn_mul_words
+bn_mul_words:
+	.set	noreorder
+	bgtz	$6,bn_mul_words_internal
+	move	$2,$0
+	jr	$31
+	move	$4,$2
+.end	bn_mul_words
+
+.align	5
+.ent	bn_mul_words_internal
+bn_mul_words_internal:
+	.set	reorder
+	li	$3,-4
+	and	$8,$6,$3
+	beqz	$8,.L_bn_mul_words_tail
+
+.L_bn_mul_words_loop:
+	lw	$12,0($5)
+	multu	$12,$7
+	lw	$14,4($5)
+	lw	$8,2*4($5)
+	lw	$10,3*4($5)
+	mflo	$1
+	mfhi	$12
+	addu	$2,$1
+	sltu	$13,$2,$1
+	 multu	$14,$7
+	sw	$2,0($4)
+	addu	$2,$13,$12
+
+	subu	$6,4
+	addu $4,4*4
+	addu $5,4*4
+	mflo	$1
+	mfhi	$14
+	addu	$2,$1
+	sltu	$15,$2,$1
+	 multu	$8,$7
+	sw	$2,-3*4($4)
+	addu	$2,$15,$14
+
+	mflo	$1
+	mfhi	$8
+	addu	$2,$1
+	sltu	$9,$2,$1
+	 multu	$10,$7
+	sw	$2,-2*4($4)
+	addu	$2,$9,$8
+
+	and	$8,$6,$3
+	mflo	$1
+	mfhi	$10
+	addu	$2,$1
+	sltu	$11,$2,$1
+	sw	$2,-4($4)
+	.set	noreorder
+	bgtz	$8,.L_bn_mul_words_loop
+	addu	$2,$11,$10
+
+	beqz	$6,.L_bn_mul_words_return
+	nop
+
+.L_bn_mul_words_tail:
+	.set	reorder
+	lw	$12,0($5)
+	multu	$12,$7
+	subu	$6,1
+	mflo	$1
+	mfhi	$12
+	addu	$2,$1
+	sltu	$13,$2,$1
+	sw	$2,0($4)
+	addu	$2,$13,$12
+	beqz	$6,.L_bn_mul_words_return
+
+	lw	$12,4($5)
+	multu	$12,$7
+	subu	$6,1
+	mflo	$1
+	mfhi	$12
+	addu	$2,$1
+	sltu	$13,$2,$1
+	sw	$2,4($4)
+	addu	$2,$13,$12
+	beqz	$6,.L_bn_mul_words_return
+
+	lw	$12,2*4($5)
+	multu	$12,$7
+	mflo	$1
+	mfhi	$12
+	addu	$2,$1
+	sltu	$13,$2,$1
+	sw	$2,2*4($4)
+	addu	$2,$13,$12
+
+.L_bn_mul_words_return:
+	.set	noreorder
+	jr	$31
+	move	$4,$2
+.end	bn_mul_words_internal
+
+.align	5
+.globl	bn_sqr_words
+.ent	bn_sqr_words
+bn_sqr_words:
+	.set	noreorder
+	bgtz	$6,bn_sqr_words_internal
+	move	$2,$0
+	jr	$31
+	move	$4,$2
+.end	bn_sqr_words
+
+.align	5
+.ent	bn_sqr_words_internal
+bn_sqr_words_internal:
+	.set	reorder
+	li	$3,-4
+	and	$8,$6,$3
+	beqz	$8,.L_bn_sqr_words_tail
+
+.L_bn_sqr_words_loop:
+	lw	$12,0($5)
+	multu	$12,$12
+	lw	$14,4($5)
+	lw	$8,2*4($5)
+	lw	$10,3*4($5)
+	mflo	$13
+	mfhi	$12
+	sw	$13,0($4)
+	sw	$12,4($4)
+
+	multu	$14,$14
+	subu	$6,4
+	addu $4,8*4
+	addu $5,4*4
+	mflo	$15
+	mfhi	$14
+	sw	$15,-6*4($4)
+	sw	$14,-5*4($4)
+
+	multu	$8,$8
+	mflo	$9
+	mfhi	$8
+	sw	$9,-4*4($4)
+	sw	$8,-3*4($4)
+
+
+	multu	$10,$10
+	and	$8,$6,$3
+	mflo	$11
+	mfhi	$10
+	sw	$11,-2*4($4)
+
+	.set	noreorder
+	bgtz	$8,.L_bn_sqr_words_loop
+	sw	$10,-4($4)
+
+	beqz	$6,.L_bn_sqr_words_return
+	nop
+
+.L_bn_sqr_words_tail:
+	.set	reorder
+	lw	$12,0($5)
+	multu	$12,$12
+	subu	$6,1
+	mflo	$13
+	mfhi	$12
+	sw	$13,0($4)
+	sw	$12,4($4)
+	beqz	$6,.L_bn_sqr_words_return
+
+	lw	$12,4($5)
+	multu	$12,$12
+	subu	$6,1
+	mflo	$13
+	mfhi	$12
+	sw	$13,2*4($4)
+	sw	$12,3*4($4)
+	beqz	$6,.L_bn_sqr_words_return
+
+	lw	$12,2*4($5)
+	multu	$12,$12
+	mflo	$13
+	mfhi	$12
+	sw	$13,4*4($4)
+	sw	$12,5*4($4)
+
+.L_bn_sqr_words_return:
+	.set	noreorder
+	jr	$31
+	move	$4,$2
+
+.end	bn_sqr_words_internal
+
+.align	5
+.globl	bn_add_words
+.ent	bn_add_words
+bn_add_words:
+	.set	noreorder
+	bgtz	$7,bn_add_words_internal
+	move	$2,$0
+	jr	$31
+	move	$4,$2
+.end	bn_add_words
+
+.align	5
+.ent	bn_add_words_internal
+bn_add_words_internal:
+	.set	reorder
+	li	$3,-4
+	and	$1,$7,$3
+	beqz	$1,.L_bn_add_words_tail
+
+.L_bn_add_words_loop:
+	lw	$12,0($5)
+	lw	$8,0($6)
+	subu	$7,4
+	lw	$13,4($5)
+	and	$1,$7,$3
+	lw	$14,2*4($5)
+	addu $6,4*4
+	lw	$15,3*4($5)
+	addu $4,4*4
+	lw	$9,-3*4($6)
+	addu $5,4*4
+	lw	$10,-2*4($6)
+	lw	$11,-4($6)
+	addu	$8,$12
+	sltu	$24,$8,$12
+	addu	$12,$8,$2
+	sltu	$2,$12,$8
+	sw	$12,-4*4($4)
+	addu	$2,$24
+
+	addu	$9,$13
+	sltu	$25,$9,$13
+	addu	$13,$9,$2
+	sltu	$2,$13,$9
+	sw	$13,-3*4($4)
+	addu	$2,$25
+
+	addu	$10,$14
+	sltu	$24,$10,$14
+	addu	$14,$10,$2
+	sltu	$2,$14,$10
+	sw	$14,-2*4($4)
+	addu	$2,$24
+	
+	addu	$11,$15
+	sltu	$25,$11,$15
+	addu	$15,$11,$2
+	sltu	$2,$15,$11
+	sw	$15,-4($4)
+	
+	.set	noreorder
+	bgtz	$1,.L_bn_add_words_loop
+	addu	$2,$25
+
+	beqz	$7,.L_bn_add_words_return
+	nop
+
+.L_bn_add_words_tail:
+	.set	reorder
+	lw	$12,0($5)
+	lw	$8,0($6)
+	addu	$8,$12
+	subu	$7,1
+	sltu	$24,$8,$12
+	addu	$12,$8,$2
+	sltu	$2,$12,$8
+	sw	$12,0($4)
+	addu	$2,$24
+	beqz	$7,.L_bn_add_words_return
+
+	lw	$13,4($5)
+	lw	$9,4($6)
+	addu	$9,$13
+	subu	$7,1
+	sltu	$25,$9,$13
+	addu	$13,$9,$2
+	sltu	$2,$13,$9
+	sw	$13,4($4)
+	addu	$2,$25
+	beqz	$7,.L_bn_add_words_return
+
+	lw	$14,2*4($5)
+	lw	$10,2*4($6)
+	addu	$10,$14
+	sltu	$24,$10,$14
+	addu	$14,$10,$2
+	sltu	$2,$14,$10
+	sw	$14,2*4($4)
+	addu	$2,$24
+
+.L_bn_add_words_return:
+	.set	noreorder
+	jr	$31
+	move	$4,$2
+
+.end	bn_add_words_internal
+
+.align	5
+.globl	bn_sub_words
+.ent	bn_sub_words
+bn_sub_words:
+	.set	noreorder
+	bgtz	$7,bn_sub_words_internal
+	move	$2,$0
+	jr	$31
+	move	$4,$0
+.end	bn_sub_words
+
+.align	5
+.ent	bn_sub_words_internal
+bn_sub_words_internal:
+	.set	reorder
+	li	$3,-4
+	and	$1,$7,$3
+	beqz	$1,.L_bn_sub_words_tail
+
+.L_bn_sub_words_loop:
+	lw	$12,0($5)
+	lw	$8,0($6)
+	subu	$7,4
+	lw	$13,4($5)
+	and	$1,$7,$3
+	lw	$14,2*4($5)
+	addu $6,4*4
+	lw	$15,3*4($5)
+	addu $4,4*4
+	lw	$9,-3*4($6)
+	addu $5,4*4
+	lw	$10,-2*4($6)
+	lw	$11,-4($6)
+	sltu	$24,$12,$8
+	subu	$8,$12,$8
+	subu	$12,$8,$2
+	sgtu	$2,$12,$8
+	sw	$12,-4*4($4)
+	addu	$2,$24
+
+	sltu	$25,$13,$9
+	subu	$9,$13,$9
+	subu	$13,$9,$2
+	sgtu	$2,$13,$9
+	sw	$13,-3*4($4)
+	addu	$2,$25
+
+
+	sltu	$24,$14,$10
+	subu	$10,$14,$10
+	subu	$14,$10,$2
+	sgtu	$2,$14,$10
+	sw	$14,-2*4($4)
+	addu	$2,$24
+
+	sltu	$25,$15,$11
+	subu	$11,$15,$11
+	subu	$15,$11,$2
+	sgtu	$2,$15,$11
+	sw	$15,-4($4)
+
+	.set	noreorder
+	bgtz	$1,.L_bn_sub_words_loop
+	addu	$2,$25
+
+	beqz	$7,.L_bn_sub_words_return
+	nop
+
+.L_bn_sub_words_tail:
+	.set	reorder
+	lw	$12,0($5)
+	lw	$8,0($6)
+	subu	$7,1
+	sltu	$24,$12,$8
+	subu	$8,$12,$8
+	subu	$12,$8,$2
+	sgtu	$2,$12,$8
+	sw	$12,0($4)
+	addu	$2,$24
+	beqz	$7,.L_bn_sub_words_return
+
+	lw	$13,4($5)
+	subu	$7,1
+	lw	$9,4($6)
+	sltu	$25,$13,$9
+	subu	$9,$13,$9
+	subu	$13,$9,$2
+	sgtu	$2,$13,$9
+	sw	$13,4($4)
+	addu	$2,$25
+	beqz	$7,.L_bn_sub_words_return
+
+	lw	$14,2*4($5)
+	lw	$10,2*4($6)
+	sltu	$24,$14,$10
+	subu	$10,$14,$10
+	subu	$14,$10,$2
+	sgtu	$2,$14,$10
+	sw	$14,2*4($4)
+	addu	$2,$24
+
+.L_bn_sub_words_return:
+	.set	noreorder
+	jr	$31
+	move	$4,$2
+.end	bn_sub_words_internal
+
+.align 5
+.globl	bn_div_3_words
+.ent	bn_div_3_words
+bn_div_3_words:
+	.set	noreorder
+	move	$7,$4		# we know that bn_div_words does not
+				# touch $7, $10, $11 and preserves $6
+				# so that we can save two arguments
+				# and return address in registers
+				# instead of stack:-)
+				
+	lw	$4,($7)
+	move	$10,$5
+	bne	$4,$6,bn_div_3_words_internal
+	lw	$5,-4($7)
+	li	$2,-1
+	jr	$31
+	move	$4,$2
+.end	bn_div_3_words
+
+.align	5
+.ent	bn_div_3_words_internal
+bn_div_3_words_internal:
+	.set	reorder
+	move	$11,$31
+	bal	bn_div_words_internal
+	move	$31,$11
+	multu	$10,$2
+	lw	$14,-2*4($7)
+	move	$8,$0
+	mfhi	$13
+	mflo	$12
+	sltu	$24,$13,$5
+.L_bn_div_3_words_inner_loop:
+	bnez	$24,.L_bn_div_3_words_inner_loop_done
+	sgeu	$1,$14,$12
+	seq	$25,$13,$5
+	and	$1,$25
+	sltu	$15,$12,$10
+	addu	$5,$6
+	subu	$13,$15
+	subu	$12,$10
+	sltu	$24,$13,$5
+	sltu	$8,$5,$6
+	or	$24,$8
+	.set	noreorder
+	beqz	$1,.L_bn_div_3_words_inner_loop
+	subu	$2,1
+	addu	$2,1
+	.set	reorder
+.L_bn_div_3_words_inner_loop_done:
+	.set	noreorder
+	jr	$31
+	move	$4,$2
+.end	bn_div_3_words_internal
+
+.align	5
+.globl	bn_div_words
+.ent	bn_div_words
+bn_div_words:
+	.set	noreorder
+	bnez	$6,bn_div_words_internal
+	li	$2,-1		# I would rather signal div-by-zero
+				# which can be done with 'break 7'
+	jr	$31
+	move	$4,$2
+.end	bn_div_words
+
+.align	5
+.ent	bn_div_words_internal
+bn_div_words_internal:
+	move	$3,$0
+	bltz	$6,.L_bn_div_words_body
+	move	$25,$3
+	sll	$6,1
+	bgtz	$6,.-4
+	addu	$25,1
+
+	.set	reorder
+	negu	$13,$25
+	li	$14,-1
+	sll	$14,$13
+	and	$14,$4
+	srl	$1,$5,$13
+	.set	noreorder
+	beqz	$14,.+12
+	nop
+	break	6		# signal overflow
+	.set	reorder
+	sll	$4,$25
+	sll	$5,$25
+	or	$4,$1
+.L_bn_div_words_body:
+	srl	$3,$6,4*4	# bits
+	sgeu	$1,$4,$6
+	.set	noreorder
+	beqz	$1,.+12
+	nop
+	subu	$4,$6
+	.set	reorder
+
+	li	$8,-1
+	srl	$9,$4,4*4	# bits
+	srl	$8,4*4	# q=0xffffffff
+	beq	$3,$9,.L_bn_div_words_skip_div1
+	divu	$0,$4,$3
+	mflo	$8
+.L_bn_div_words_skip_div1:
+	multu	$6,$8
+	sll	$15,$4,4*4	# bits
+	srl	$1,$5,4*4	# bits
+	or	$15,$1
+	mflo	$12
+	mfhi	$13
+.L_bn_div_words_inner_loop1:
+	sltu	$14,$15,$12
+	seq	$24,$9,$13
+	sltu	$1,$9,$13
+	and	$14,$24
+	sltu	$2,$12,$6
+	or	$1,$14
+	.set	noreorder
+	beqz	$1,.L_bn_div_words_inner_loop1_done
+	subu	$13,$2
+	subu	$12,$6
+	b	.L_bn_div_words_inner_loop1
+	subu	$8,1
+	.set	reorder
+.L_bn_div_words_inner_loop1_done:
+
+	sll	$5,4*4	# bits
+	subu	$4,$15,$12
+	sll	$2,$8,4*4	# bits
+
+	li	$8,-1
+	srl	$9,$4,4*4	# bits
+	srl	$8,4*4	# q=0xffffffff
+	beq	$3,$9,.L_bn_div_words_skip_div2
+	divu	$0,$4,$3
+	mflo	$8
+.L_bn_div_words_skip_div2:
+	multu	$6,$8
+	sll	$15,$4,4*4	# bits
+	srl	$1,$5,4*4	# bits
+	or	$15,$1
+	mflo	$12
+	mfhi	$13
+.L_bn_div_words_inner_loop2:
+	sltu	$14,$15,$12
+	seq	$24,$9,$13
+	sltu	$1,$9,$13
+	and	$14,$24
+	sltu	$3,$12,$6
+	or	$1,$14
+	.set	noreorder
+	beqz	$1,.L_bn_div_words_inner_loop2_done
+	subu	$13,$3
+	subu	$12,$6
+	b	.L_bn_div_words_inner_loop2
+	subu	$8,1
+	.set	reorder
+.L_bn_div_words_inner_loop2_done:
+
+	subu	$4,$15,$12
+	or	$2,$8
+	srl	$3,$4,$25	# $3 contains remainder if anybody wants it
+	srl	$6,$25		# restore $6
+
+	.set	noreorder
+	move	$5,$3
+	jr	$31
+	move	$4,$2
+.end	bn_div_words_internal
+
+.align	5
+.globl	bn_mul_comba8
+.ent	bn_mul_comba8
+bn_mul_comba8:
+	.set	noreorder
+	.frame	$29,6*4,$31
+	.mask	0x003f0000,-4
+	subu $29,6*4
+	sw	$21,5*4($29)
+	sw	$20,4*4($29)
+	sw	$19,3*4($29)
+	sw	$18,2*4($29)
+	sw	$17,1*4($29)
+	sw	$16,0*4($29)
+
+	.set	reorder
+	lw	$12,0($5)	# If compiled with -mips3 option on
+				# R5000 box assembler barks on this
+				# 1ine with "should not have mult/div
+				# as last instruction in bb (R10K
+				# bug)" warning. If anybody out there
+				# has a clue about how to circumvent
+				# this do send me a note.
+				#		<appro@fy.chalmers.se>
+
+	lw	$8,0($6)
+	lw	$13,4($5)
+	lw	$14,2*4($5)
+	multu	$12,$8		# mul_add_c(a[0],b[0],c1,c2,c3);
+	lw	$15,3*4($5)
+	lw	$9,4($6)
+	lw	$10,2*4($6)
+	lw	$11,3*4($6)
+	mflo	$2
+	mfhi	$3
+
+	lw	$16,4*4($5)
+	lw	$18,5*4($5)
+	multu	$12,$9		# mul_add_c(a[0],b[1],c2,c3,c1);
+	lw	$20,6*4($5)
+	lw	$5,7*4($5)
+	lw	$17,4*4($6)
+	lw	$19,5*4($6)
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$13,$8		# mul_add_c(a[1],b[0],c2,c3,c1);
+	addu	$7,$25,$1
+	lw	$21,6*4($6)
+	lw	$6,7*4($6)
+	sw	$2,0($4)	# r[0]=c1;
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	 multu	$14,$8		# mul_add_c(a[2],b[0],c3,c1,c2);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$2,$7,$25
+	sw	$3,4($4)	# r[1]=c2;
+
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	multu	$13,$9		# mul_add_c(a[1],b[1],c3,c1,c2);
+	addu	$25,$1
+	addu	$2,$25
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	multu	$12,$10		# mul_add_c(a[0],b[2],c3,c1,c2);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$3,$2,$25
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	 multu	$12,$11		# mul_add_c(a[0],b[3],c1,c2,c3);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	sw	$7,2*4($4)	# r[2]=c3;
+
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	multu	$13,$10		# mul_add_c(a[1],b[2],c1,c2,c3);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$7,$3,$25
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	multu	$14,$9		# mul_add_c(a[2],b[1],c1,c2,c3);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	multu	$15,$8		# mul_add_c(a[3],b[0],c1,c2,c3);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	 multu	$16,$8		# mul_add_c(a[4],b[0],c2,c3,c1);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	sw	$2,3*4($4)	# r[3]=c1;
+
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$15,$9		# mul_add_c(a[3],b[1],c2,c3,c1);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$2,$7,$25
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$14,$10		# mul_add_c(a[2],b[2],c2,c3,c1);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$13,$11		# mul_add_c(a[1],b[3],c2,c3,c1);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$12,$17		# mul_add_c(a[0],b[4],c2,c3,c1);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	 multu	$12,$19		# mul_add_c(a[0],b[5],c3,c1,c2);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	sw	$3,4*4($4)	# r[4]=c2;
+
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	multu	$13,$17		# mul_add_c(a[1],b[4],c3,c1,c2);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$3,$2,$25
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	multu	$14,$11		# mul_add_c(a[2],b[3],c3,c1,c2);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	multu	$15,$10		# mul_add_c(a[3],b[2],c3,c1,c2);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	multu	$16,$9		# mul_add_c(a[4],b[1],c3,c1,c2);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	multu	$18,$8		# mul_add_c(a[5],b[0],c3,c1,c2);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	 multu	$20,$8		# mul_add_c(a[6],b[0],c1,c2,c3);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	sw	$7,5*4($4)	# r[5]=c3;
+
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	multu	$18,$9		# mul_add_c(a[5],b[1],c1,c2,c3);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$7,$3,$25
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	multu	$16,$10		# mul_add_c(a[4],b[2],c1,c2,c3);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	multu	$15,$11		# mul_add_c(a[3],b[3],c1,c2,c3);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	multu	$14,$17		# mul_add_c(a[2],b[4],c1,c2,c3);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	multu	$13,$19		# mul_add_c(a[1],b[5],c1,c2,c3);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	multu	$12,$21		# mul_add_c(a[0],b[6],c1,c2,c3);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	 multu	$12,$6		# mul_add_c(a[0],b[7],c2,c3,c1);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	sw	$2,6*4($4)	# r[6]=c1;
+
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$13,$21		# mul_add_c(a[1],b[6],c2,c3,c1);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$2,$7,$25
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$14,$19		# mul_add_c(a[2],b[5],c2,c3,c1);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$15,$17		# mul_add_c(a[3],b[4],c2,c3,c1);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$16,$11		# mul_add_c(a[4],b[3],c2,c3,c1);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$18,$10		# mul_add_c(a[5],b[2],c2,c3,c1);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$20,$9		# mul_add_c(a[6],b[1],c2,c3,c1);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$5,$8		# mul_add_c(a[7],b[0],c2,c3,c1);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	 multu	$5,$9		# mul_add_c(a[7],b[1],c3,c1,c2);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	sw	$3,7*4($4)	# r[7]=c2;
+
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	multu	$20,$10		# mul_add_c(a[6],b[2],c3,c1,c2);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$3,$2,$25
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	multu	$18,$11		# mul_add_c(a[5],b[3],c3,c1,c2);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	multu	$16,$17		# mul_add_c(a[4],b[4],c3,c1,c2);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	multu	$15,$19		# mul_add_c(a[3],b[5],c3,c1,c2);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	multu	$14,$21		# mul_add_c(a[2],b[6],c3,c1,c2);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	multu	$13,$6		# mul_add_c(a[1],b[7],c3,c1,c2);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	 multu	$14,$6		# mul_add_c(a[2],b[7],c1,c2,c3);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	sw	$7,8*4($4)	# r[8]=c3;
+
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	multu	$15,$21		# mul_add_c(a[3],b[6],c1,c2,c3);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$7,$3,$25
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	multu	$16,$19		# mul_add_c(a[4],b[5],c1,c2,c3);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	multu	$18,$17		# mul_add_c(a[5],b[4],c1,c2,c3);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	multu	$20,$11		# mul_add_c(a[6],b[3],c1,c2,c3);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	multu	$5,$10		# mul_add_c(a[7],b[2],c1,c2,c3);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	 multu	$5,$11		# mul_add_c(a[7],b[3],c2,c3,c1);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	sw	$2,9*4($4)	# r[9]=c1;
+
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$20,$17		# mul_add_c(a[6],b[4],c2,c3,c1);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$2,$7,$25
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$18,$19		# mul_add_c(a[5],b[5],c2,c3,c1);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$16,$21		# mul_add_c(a[4],b[6],c2,c3,c1);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$15,$6		# mul_add_c(a[3],b[7],c2,c3,c1);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$16,$6		# mul_add_c(a[4],b[7],c3,c1,c2);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	sw	$3,10*4($4)	# r[10]=c2;
+
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	multu	$18,$21		# mul_add_c(a[5],b[6],c3,c1,c2);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$3,$2,$25
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	multu	$20,$19		# mul_add_c(a[6],b[5],c3,c1,c2);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	multu	$5,$17		# mul_add_c(a[7],b[4],c3,c1,c2);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	 multu	$5,$19		# mul_add_c(a[7],b[5],c1,c2,c3);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	sw	$7,11*4($4)	# r[11]=c3;
+
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	multu	$20,$21		# mul_add_c(a[6],b[6],c1,c2,c3);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$7,$3,$25
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	multu	$18,$6		# mul_add_c(a[5],b[7],c1,c2,c3);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	 multu	$20,$6		# mul_add_c(a[6],b[7],c2,c3,c1);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	sw	$2,12*4($4)	# r[12]=c1;
+
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$5,$21		# mul_add_c(a[7],b[6],c2,c3,c1);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$2,$7,$25
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$5,$6		# mul_add_c(a[7],b[7],c3,c1,c2);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	sw	$3,13*4($4)	# r[13]=c2;
+
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	addu	$25,$1
+	addu	$2,$25
+	sw	$7,14*4($4)	# r[14]=c3;
+	sw	$2,15*4($4)	# r[15]=c1;
+
+	.set	noreorder
+	lw	$21,5*4($29)
+	lw	$20,4*4($29)
+	lw	$19,3*4($29)
+	lw	$18,2*4($29)
+	lw	$17,1*4($29)
+	lw	$16,0*4($29)
+	jr	$31
+	addu $29,6*4
+.end	bn_mul_comba8
+
+.align	5
+.globl	bn_mul_comba4
+.ent	bn_mul_comba4
+bn_mul_comba4:
+	.set	reorder
+	lw	$12,0($5)
+	lw	$8,0($6)
+	lw	$13,4($5)
+	lw	$14,2*4($5)
+	multu	$12,$8		# mul_add_c(a[0],b[0],c1,c2,c3);
+	lw	$15,3*4($5)
+	lw	$9,4($6)
+	lw	$10,2*4($6)
+	lw	$11,3*4($6)
+	mflo	$2
+	mfhi	$3
+	sw	$2,0($4)
+
+	multu	$12,$9		# mul_add_c(a[0],b[1],c2,c3,c1);
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$13,$8		# mul_add_c(a[1],b[0],c2,c3,c1);
+	addu	$7,$25,$1
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	 multu	$14,$8		# mul_add_c(a[2],b[0],c3,c1,c2);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$2,$7,$25
+	sw	$3,4($4)
+
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	multu	$13,$9		# mul_add_c(a[1],b[1],c3,c1,c2);
+	addu	$25,$1
+	addu	$2,$25
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	multu	$12,$10		# mul_add_c(a[0],b[2],c3,c1,c2);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$3,$2,$25
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	 multu	$12,$11		# mul_add_c(a[0],b[3],c1,c2,c3);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	sw	$7,2*4($4)
+
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	multu	$13,$10		# mul_add_c(a[1],b[2],c1,c2,c3);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$7,$3,$25
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	multu	$14,$9		# mul_add_c(a[2],b[1],c1,c2,c3);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	multu	$15,$8		# mul_add_c(a[3],b[0],c1,c2,c3);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	 multu	$15,$9		# mul_add_c(a[3],b[1],c2,c3,c1);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	sw	$2,3*4($4)
+
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$14,$10		# mul_add_c(a[2],b[2],c2,c3,c1);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$2,$7,$25
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	multu	$13,$11		# mul_add_c(a[1],b[3],c2,c3,c1);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	 multu	$14,$11		# mul_add_c(a[2],b[3],c3,c1,c2);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	sw	$3,4*4($4)
+
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	multu	$15,$10		# mul_add_c(a[3],b[2],c3,c1,c2);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$3,$2,$25
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	 multu	$15,$11		# mul_add_c(a[3],b[3],c1,c2,c3);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	sw	$7,5*4($4)
+
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	addu	$25,$1
+	addu	$3,$25
+	sw	$2,6*4($4)
+	sw	$3,7*4($4)
+
+	.set	noreorder
+	jr	$31
+	nop
+.end	bn_mul_comba4
+
+.align	5
+.globl	bn_sqr_comba8
+.ent	bn_sqr_comba8
+bn_sqr_comba8:
+	.set	reorder
+	lw	$12,0($5)
+	lw	$13,4($5)
+	lw	$14,2*4($5)
+	lw	$15,3*4($5)
+
+	multu	$12,$12		# mul_add_c(a[0],b[0],c1,c2,c3);
+	lw	$8,4*4($5)
+	lw	$9,5*4($5)
+	lw	$10,6*4($5)
+	lw	$11,7*4($5)
+	mflo	$2
+	mfhi	$3
+	sw	$2,0($4)
+
+	multu	$12,$13		# mul_add_c2(a[0],b[1],c2,c3,c1);
+	mflo	$24
+	mfhi	$25
+	slt	$2,$25,$0
+	sll	$25,1
+	 multu	$14,$12		# mul_add_c2(a[2],b[0],c3,c1,c2);
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$3,$24
+	sltu	$1,$3,$24
+	addu	$7,$25,$1
+	sw	$3,4($4)
+
+	mflo	$24
+	mfhi	$25
+	slt	$3,$25,$0
+	sll	$25,1
+	multu	$13,$13		# mul_add_c(a[1],b[1],c3,c1,c2);
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$7,$24
+	sltu	$1,$7,$24
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	 multu	$12,$15		# mul_add_c2(a[0],b[3],c1,c2,c3);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	sw	$7,2*4($4)
+
+	mflo	$24
+	mfhi	$25
+	slt	$7,$25,$0
+	sll	$25,1
+	multu	$13,$14		# mul_add_c2(a[1],b[2],c1,c2,c3);
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$2,$24
+	sltu	$1,$2,$24
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	slt	$1,$25,$0
+	addu	$7,$1
+	 multu	$8,$12		# mul_add_c2(a[4],b[0],c2,c3,c1);
+	sll	$25,1
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$2,$24
+	sltu	$1,$2,$24
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	sw	$2,3*4($4)
+
+	mflo	$24
+	mfhi	$25
+	slt	$2,$25,$0
+	sll	$25,1
+	multu	$15,$13		# mul_add_c2(a[3],b[1],c2,c3,c1);
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$3,$24
+	sltu	$1,$3,$24
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	mflo	$24
+	mfhi	$25
+	slt	$1,$25,$0
+	addu	$2,$1
+	multu	$14,$14		# mul_add_c(a[2],b[2],c2,c3,c1);
+	sll	$25,1
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$3,$24
+	sltu	$1,$3,$24
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	 multu	$12,$9		# mul_add_c2(a[0],b[5],c3,c1,c2);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	sw	$3,4*4($4)
+
+	mflo	$24
+	mfhi	$25
+	slt	$3,$25,$0
+	sll	$25,1
+	multu	$13,$8		# mul_add_c2(a[1],b[4],c3,c1,c2);
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$7,$24
+	sltu	$1,$7,$24
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	mflo	$24
+	mfhi	$25
+	slt	$1,$25,$0
+	addu	$3,$1
+	multu	$14,$15		# mul_add_c2(a[2],b[3],c3,c1,c2);
+	sll	$25,1
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$7,$24
+	sltu	$1,$7,$24
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	mflo	$24
+	mfhi	$25
+	slt	$1,$25,$0
+	 multu	$10,$12		# mul_add_c2(a[6],b[0],c1,c2,c3);
+	addu	$3,$1
+	sll	$25,1
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$7,$24
+	sltu	$1,$7,$24
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	sw	$7,5*4($4)
+
+	mflo	$24
+	mfhi	$25
+	slt	$7,$25,$0
+	sll	$25,1
+	multu	$9,$13		# mul_add_c2(a[5],b[1],c1,c2,c3);
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$2,$24
+	sltu	$1,$2,$24
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	slt	$1,$25,$0
+	addu	$7,$1
+	multu	$8,$14		# mul_add_c2(a[4],b[2],c1,c2,c3);
+	sll	$25,1
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$2,$24
+	sltu	$1,$2,$24
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	slt	$1,$25,$0
+	addu	$7,$1
+	multu	$15,$15		# mul_add_c(a[3],b[3],c1,c2,c3);
+	sll	$25,1
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$2,$24
+	sltu	$1,$2,$24
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	 multu	$12,$11		# mul_add_c2(a[0],b[7],c2,c3,c1);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	sw	$2,6*4($4)
+
+	mflo	$24
+	mfhi	$25
+	slt	$2,$25,$0
+	sll	$25,1
+	multu	$13,$10		# mul_add_c2(a[1],b[6],c2,c3,c1);
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$3,$24
+	sltu	$1,$3,$24
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	mflo	$24
+	mfhi	$25
+	slt	$1,$25,$0
+	addu	$2,$1
+	multu	$14,$9		# mul_add_c2(a[2],b[5],c2,c3,c1);
+	sll	$25,1
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$3,$24
+	sltu	$1,$3,$24
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	mflo	$24
+	mfhi	$25
+	slt	$1,$25,$0
+	addu	$2,$1
+	multu	$15,$8		# mul_add_c2(a[3],b[4],c2,c3,c1);
+	sll	$25,1
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$3,$24
+	sltu	$1,$3,$24
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	mflo	$24
+	mfhi	$25
+	slt	$1,$25,$0
+	addu	$2,$1
+	 multu	$11,$13		# mul_add_c2(a[7],b[1],c3,c1,c2);
+	sll	$25,1
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$3,$24
+	sltu	$1,$3,$24
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	sw	$3,7*4($4)
+
+	mflo	$24
+	mfhi	$25
+	slt	$3,$25,$0
+	sll	$25,1
+	multu	$10,$14		# mul_add_c2(a[6],b[2],c3,c1,c2);
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$7,$24
+	sltu	$1,$7,$24
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	mflo	$24
+	mfhi	$25
+	slt	$1,$25,$0
+	addu	$3,$1
+	multu	$9,$15		# mul_add_c2(a[5],b[3],c3,c1,c2);
+	sll	$25,1
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$7,$24
+	sltu	$1,$7,$24
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	mflo	$24
+	mfhi	$25
+	slt	$1,$25,$0
+	addu	$3,$1
+	multu	$8,$8		# mul_add_c(a[4],b[4],c3,c1,c2);
+	sll	$25,1
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$7,$24
+	sltu	$1,$7,$24
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	 multu	$14,$11		# mul_add_c2(a[2],b[7],c1,c2,c3);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	sw	$7,8*4($4)
+
+	mflo	$24
+	mfhi	$25
+	slt	$7,$25,$0
+	sll	$25,1
+	multu	$15,$10		# mul_add_c2(a[3],b[6],c1,c2,c3);
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$2,$24
+	sltu	$1,$2,$24
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	slt	$1,$25,$0
+	addu	$7,$1
+	multu	$8,$9		# mul_add_c2(a[4],b[5],c1,c2,c3);
+	sll	$25,1
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$2,$24
+	sltu	$1,$2,$24
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	slt	$1,$25,$0
+	addu	$7,$1
+	 multu	$11,$15		# mul_add_c2(a[7],b[3],c2,c3,c1);
+	sll	$25,1
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$2,$24
+	sltu	$1,$2,$24
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	sw	$2,9*4($4)
+
+	mflo	$24
+	mfhi	$25
+	slt	$2,$25,$0
+	sll	$25,1
+	multu	$10,$8		# mul_add_c2(a[6],b[4],c2,c3,c1);
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$3,$24
+	sltu	$1,$3,$24
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	mflo	$24
+	mfhi	$25
+	slt	$1,$25,$0
+	addu	$2,$1
+	multu	$9,$9		# mul_add_c(a[5],b[5],c2,c3,c1);
+	sll	$25,1
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$3,$24
+	sltu	$1,$3,$24
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	 multu	$8,$11		# mul_add_c2(a[4],b[7],c3,c1,c2);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	sw	$3,10*4($4)
+
+	mflo	$24
+	mfhi	$25
+	slt	$3,$25,$0
+	sll	$25,1
+	multu	$9,$10		# mul_add_c2(a[5],b[6],c3,c1,c2);
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$7,$24
+	sltu	$1,$7,$24
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	mflo	$24
+	mfhi	$25
+	slt	$1,$25,$0
+	addu	$3,$1
+	 multu	$11,$9		# mul_add_c2(a[7],b[5],c1,c2,c3);
+	sll	$25,1
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$7,$24
+	sltu	$1,$7,$24
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	sw	$7,11*4($4)
+
+	mflo	$24
+	mfhi	$25
+	slt	$7,$25,$0
+	sll	$25,1
+	multu	$10,$10		# mul_add_c(a[6],b[6],c1,c2,c3);
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$2,$24
+	sltu	$1,$2,$24
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	 multu	$10,$11		# mul_add_c2(a[6],b[7],c2,c3,c1);
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	sw	$2,12*4($4)
+
+	mflo	$24
+	mfhi	$25
+	slt	$2,$25,$0
+	sll	$25,1
+	 multu	$11,$11		# mul_add_c(a[7],b[7],c3,c1,c2);
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$3,$24
+	sltu	$1,$3,$24
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	sw	$3,13*4($4)
+
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	addu	$25,$1
+	addu	$2,$25
+	sw	$7,14*4($4)
+	sw	$2,15*4($4)
+
+	.set	noreorder
+	jr	$31
+	nop
+.end	bn_sqr_comba8
+
+.align	5
+.globl	bn_sqr_comba4
+.ent	bn_sqr_comba4
+bn_sqr_comba4:
+	.set	reorder
+	lw	$12,0($5)
+	lw	$13,4($5)
+	multu	$12,$12		# mul_add_c(a[0],b[0],c1,c2,c3);
+	lw	$14,2*4($5)
+	lw	$15,3*4($5)
+	mflo	$2
+	mfhi	$3
+	sw	$2,0($4)
+
+	multu	$12,$13		# mul_add_c2(a[0],b[1],c2,c3,c1);
+	mflo	$24
+	mfhi	$25
+	slt	$2,$25,$0
+	sll	$25,1
+	 multu	$14,$12		# mul_add_c2(a[2],b[0],c3,c1,c2);
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$3,$24
+	sltu	$1,$3,$24
+	addu	$7,$25,$1
+	sw	$3,4($4)
+
+	mflo	$24
+	mfhi	$25
+	slt	$3,$25,$0
+	sll	$25,1
+	multu	$13,$13		# mul_add_c(a[1],b[1],c3,c1,c2);
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$7,$24
+	sltu	$1,$7,$24
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	mflo	$24
+	mfhi	$25
+	addu	$7,$24
+	sltu	$1,$7,$24
+	 multu	$12,$15		# mul_add_c2(a[0],b[3],c1,c2,c3);
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	sw	$7,2*4($4)
+
+	mflo	$24
+	mfhi	$25
+	slt	$7,$25,$0
+	sll	$25,1
+	multu	$13,$14		# mul_add_c(a2[1],b[2],c1,c2,c3);
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$2,$24
+	sltu	$1,$2,$24
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	mflo	$24
+	mfhi	$25
+	slt	$1,$25,$0
+	addu	$7,$1
+	 multu	$15,$13		# mul_add_c2(a[3],b[1],c2,c3,c1);
+	sll	$25,1
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$2,$24
+	sltu	$1,$2,$24
+	addu	$25,$1
+	addu	$3,$25
+	sltu	$1,$3,$25
+	addu	$7,$1
+	sw	$2,3*4($4)
+
+	mflo	$24
+	mfhi	$25
+	slt	$2,$25,$0
+	sll	$25,1
+	multu	$14,$14		# mul_add_c(a[2],b[2],c2,c3,c1);
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$3,$24
+	sltu	$1,$3,$24
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	mflo	$24
+	mfhi	$25
+	addu	$3,$24
+	sltu	$1,$3,$24
+	 multu	$14,$15		# mul_add_c2(a[2],b[3],c3,c1,c2);
+	addu	$25,$1
+	addu	$7,$25
+	sltu	$1,$7,$25
+	addu	$2,$1
+	sw	$3,4*4($4)
+
+	mflo	$24
+	mfhi	$25
+	slt	$3,$25,$0
+	sll	$25,1
+	 multu	$15,$15		# mul_add_c(a[3],b[3],c1,c2,c3);
+	slt	$6,$24,$0
+	addu	$25,$6
+	sll	$24,1
+	addu	$7,$24
+	sltu	$1,$7,$24
+	addu	$25,$1
+	addu	$2,$25
+	sltu	$1,$2,$25
+	addu	$3,$1
+	sw	$7,5*4($4)
+
+	mflo	$24
+	mfhi	$25
+	addu	$2,$24
+	sltu	$1,$2,$24
+	addu	$25,$1
+	addu	$3,$25
+	sw	$2,6*4($4)
+	sw	$3,7*4($4)
+
+	.set	noreorder
+	jr	$31
+	nop
+.end	bn_sqr_comba4
-- 
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