From 29fd6746f50d1e283bd135993dfd25684b15c584 Mon Sep 17 00:00:00 2001
From: Andy Polyakov <appro@openssl.org>
Date: Sat, 5 Nov 2011 13:07:18 +0000
Subject: [PATCH] armv4cpuid.S, armv4-gf2m.pl: make newest code compilable by
 older assembler.

---
 crypto/armv4cpuid.S         | 12 ++++++------
 crypto/bn/asm/armv4-gf2m.pl | 34 +++++++++++++++++-----------------
 2 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/crypto/armv4cpuid.S b/crypto/armv4cpuid.S
index c9102ca2a5..2d618deaa4 100644
--- a/crypto/armv4cpuid.S
+++ b/crypto/armv4cpuid.S
@@ -44,7 +44,7 @@ OPENSSL_atomic_add:
 	bne	.Lspin
 
 	ldr	r2,[r4]
-	add	r2,r5
+	add	r2,r2,r5
 	str	r2,[r4]
 	str	r0,[r6]		@ release spinlock
 	ldmia	sp!,{r4-r6,lr}
@@ -59,26 +59,26 @@ OPENSSL_atomic_add:
 OPENSSL_cleanse:
 	eor	ip,ip,ip
 	cmp	r1,#7
-	subhs	r1,#4
+	subhs	r1,r1,#4
 	bhs	.Lot
 	cmp	r1,#0
 	beq	.Lcleanse_done
 .Little:
 	strb	ip,[r0],#1
-	subs	r1,#1
+	subs	r1,r1,#1
 	bhi	.Little
 	b	.Lcleanse_done
 
 .Lot:	tst	r0,#3
 	beq	.Laligned
 	strb	ip,[r0],#1
-	sub	r1,#1
+	sub	r1,r1,#1
 	b	.Lot
 .Laligned:
 	str	ip,[r0],#4
-	subs	r1,#4
+	subs	r1,r1,#4
 	bhs	.Laligned
-	adds	r1,#4
+	adds	r1,r1,#4
 	bne	.Little
 .Lcleanse_done:
 	tst	lr,#1
diff --git a/crypto/bn/asm/armv4-gf2m.pl b/crypto/bn/asm/armv4-gf2m.pl
index 9928dae872..c52e0b75b5 100644
--- a/crypto/bn/asm/armv4-gf2m.pl
+++ b/crypto/bn/asm/armv4-gf2m.pl
@@ -218,38 +218,38 @@ $code.=<<___;
 	mov	$b,r3			@ $b=b1
 	ldr	r3,[sp,#32]		@ load b0
 	mov	$mask,#7<<2
-	sub	sp,#32			@ allocate tab[8]
+	sub	sp,sp,#32		@ allocate tab[8]
 
 	bl	mul_1x1_ialu		@ a1·b1
 	str	$lo,[$ret,#8]
 	str	$hi,[$ret,#12]
 
-	eor	$b,r3			@ flip b0 and b1
-	 eor	$a,r2			@ flip a0 and a1
-	eor	r3,$b
-	 eor	r2,$a
-	eor	$b,r3
-	 eor	$a,r2
+	eor	$b,$b,r3		@ flip b0 and b1
+	 eor	$a,$a,r2		@ flip a0 and a1
+	eor	r3,r3,$b
+	 eor	r2,r2,$a
+	eor	$b,$b,r3
+	 eor	$a,$a,r2
 	bl	mul_1x1_ialu		@ a0·b0
 	str	$lo,[$ret]
 	str	$hi,[$ret,#4]
 
-	eor	$a,r2
-	eor	$b,r3
+	eor	$a,$a,r2
+	eor	$b,$b,r3
 	bl	mul_1x1_ialu		@ (a1+a0)·(b1+b0)
 ___
 @r=map("r$_",(6..9));
 $code.=<<___;
 	ldmia	$ret,{@r[0]-@r[3]}
-	eor	$lo,$hi
-	eor	$hi,@r[1]
-	eor	$lo,@r[0]
-	eor	$hi,@r[2]
-	eor	$lo,@r[3]
-	eor	$hi,@r[3]
+	eor	$lo,$lo,$hi
+	eor	$hi,$hi,@r[1]
+	eor	$lo,$lo,@r[0]
+	eor	$hi,$hi,@r[2]
+	eor	$lo,$lo,@r[3]
+	eor	$hi,$hi,@r[3]
 	str	$hi,[$ret,#8]
-	eor	$lo,$hi
-	add	sp,#32			@ destroy tab[8]
+	eor	$lo,$lo,$hi
+	add	sp,sp,#32		@ destroy tab[8]
 	str	$lo,[$ret,#4]
 
 #if __ARM_ARCH__>=5
-- 
2.34.1