ARM assembly pack: make it work with older toolchain.

crypto/bn/Makefile

diff --git a/crypto/bn/Makefile b/crypto/bn/Makefile
index 5f2c2f4..b62b676 100644
--- a/crypto/bn/Makefile
+++ b/crypto/bn/Makefile
@@ -141,9 +141,10 @@
 	$(CC) -E $$preproc > $@ && rm $$preproc)
 
 # GNU make "catch all"
-%-mont.s:	asm/%-mont.pl;	$(PERL) $< $(PERLASM_SCHEME) $@
+%-mont.S:	asm/%-mont.pl;	$(PERL) $< $(PERLASM_SCHEME) $@
 %-gf2m.S:	asm/%-gf2m.pl;	$(PERL) $< $(PERLASM_SCHEME) $@
 
+armv4-mont.o:	armv4-mont.S
 armv4-gf2m.o:	armv4-gf2m.S
 
 files:

crypto/sha/asm/sha256-armv4.pl

diff --git a/crypto/sha/asm/sha256-armv4.pl b/crypto/sha/asm/sha256-armv4.pl
index 2a0a989..672e571 100644
--- a/crypto/sha/asm/sha256-armv4.pl
+++ b/crypto/sha/asm/sha256-armv4.pl
@@ -104,10 +104,10 @@
 	eor	$t2,$a,$b			@ a^b, b^c in next round
 	ldr	$t4,[sp,#`($i+15)%16`*4]	@ from future BODY_16_xx
 #endif
-	eor	$t0,$a,ror#$Sigma0[1]
+	eor	$t0,$t0,$a,ror#$Sigma0[1]
 	and	$t3,$t3,$t2			@ (b^c)&=(a^b)
 	add	$d,$d,$h			@ d+=h
-	eor	$t0,$a,ror#$Sigma0[2]		@ Sigma0(a)
+	eor	$t0,$t0,$a,ror#$Sigma0[2]	@ Sigma0(a)
 	eor	$t3,$t3,$b			@ Maj(a,b,c)
 	add	$h,$h,$t0			@ h+=Sigma0(a)
 	@ add	$h,$h,$t3			@ h+=Maj(a,b,c)