MIPS assembly pack: add MIPS[32|64]R2 code.

3 files changed, 556 insertions, 71 deletions

diff --git a/crypto/aes/asm/aes-mips.pl b/crypto/aes/asm/aes-mips.pl
index ffe05a9d3a..a00193fa45 100644
--- a/crypto/aes/asm/aes-mips.pl
+++ b/crypto/aes/asm/aes-mips.pl
@@ -20,6 +20,10 @@
 # thing about this module is its endian neutrality, which means that
 # it processes data without ever changing byte order...
 
+# September 2012
+#
+# Add MIPS32R2 code.
+
 ######################################################################
 # There is a number of MIPS ABI in use, O32 and N32/64 are most
 # widely used. Then there is a new contender: NUBI. It appears that if
@@ -52,6 +56,7 @@ $flavour = shift || "o32"; # supported flavours are o32,n32,64,nubi32,nubi64
 if ($flavour =~ /64|n32/i) {
 	$PTR_ADD="dadd";	# incidentally works even on n32
 	$PTR_SUB="dsub";	# incidentally works even on n32
+	$PTR_INS="dins";
 	$REG_S="sd";
 	$REG_L="ld";
 	$PTR_SLL="dsll";	# incidentally works even on n32
@@ -59,6 +64,7 @@ if ($flavour =~ /64|n32/i) {
 } else {
 	$PTR_ADD="add";
 	$PTR_SUB="sub";
+	$PTR_INS="ins";
 	$REG_S="sw";
 	$REG_L="lw";
 	$PTR_SLL="sll";
@@ -138,6 +144,16 @@ _mips_AES_encrypt:
 	$PTR_ADD $i1,$Tbl
 	$PTR_ADD $i2,$Tbl
 	$PTR_ADD $i3,$Tbl
+#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2)
+	lw	$t0,0($i0)		# Te1[s1>>16]
+	_xtr	$i0,$s2,8-2
+	lw	$t1,0($i1)		# Te1[s2>>16]
+	_xtr	$i1,$s3,8-2
+	lw	$t2,0($i2)		# Te1[s3>>16]
+	_xtr	$i2,$s0,8-2
+	lw	$t3,0($i3)		# Te1[s0>>16]
+	_xtr	$i3,$s1,8-2
+#else
 	lwl	$t0,3($i0)		# Te1[s1>>16]
 	lwl	$t1,3($i1)		# Te1[s2>>16]
 	lwl	$t2,3($i2)		# Te1[s3>>16]
@@ -150,6 +166,64 @@ _mips_AES_encrypt:
 	_xtr	$i2,$s0,8-2
 	lwr	$t3,2($i3)		# Te1[s0>>16]
 	_xtr	$i3,$s1,8-2
+#endif
+	and	$i0,0x3fc
+	and	$i1,0x3fc
+	and	$i2,0x3fc
+	and	$i3,0x3fc
+	$PTR_ADD $i0,$Tbl
+	$PTR_ADD $i1,$Tbl
+	$PTR_ADD $i2,$Tbl
+	$PTR_ADD $i3,$Tbl
+#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2)
+	rotr	$t0,$t0,8
+	rotr	$t1,$t1,8
+	rotr	$t2,$t2,8
+	rotr	$t3,$t3,8
+# if defined(_MIPSEL)
+	lw	$t4,0($i0)		# Te1[s1>>16]
+	_xtr	$i0,$s3,0-2
+	lw	$t5,0($i1)		# Te1[s2>>16]
+	_xtr	$i1,$s0,0-2
+	lw	$t6,0($i2)		# Te1[s3>>16]
+	_xtr	$i2,$s1,0-2
+	lw	$t7,0($i3)		# Te1[s0>>16]
+	_xtr	$i3,$s2,0-2
+
+	and	$i0,0x3fc
+	and	$i1,0x3fc
+	and	$i2,0x3fc
+	and	$i3,0x3fc
+	$PTR_ADD $i0,$Tbl
+	$PTR_ADD $i1,$Tbl
+	$PTR_ADD $i2,$Tbl
+	$PTR_ADD $i3,$Tbl
+	lw	$t8,0($i0)		# Te1[s1>>16]
+	$PTR_INS $i0,$s0,2,8
+	lw	$t9,0($i1)		# Te1[s2>>16]
+	$PTR_INS $i1,$s1,2,8
+	lw	$t10,0($i2)		# Te1[s3>>16]
+	$PTR_INS $i2,$s2,2,8
+	lw	$t11,0($i3)		# Te1[s0>>16]
+	$PTR_INS $i3,$s3,2,8
+# else
+	lw	$t4,0($i0)		# Te1[s1>>16]
+	$PTR_INS $i0,$s3,2,8
+	lw	$t5,0($i1)		# Te1[s2>>16]
+	$PTR_INS $i1,$s0,2,8
+	lw	$t6,0($i2)		# Te1[s3>>16]
+	$PTR_INS $i2,$s1,2,8
+	lw	$t7,0($i3)		# Te1[s0>>16]
+	$PTR_INS $i3,$s2,2,8
+
+	lw	$t8,0($i0)		# Te1[s1>>16]
+	_xtr	$i0,$s0,24-2
+	lw	$t9,0($i1)		# Te1[s2>>16]
+	_xtr	$i1,$s1,24-2
+	lw	$t10,0($i2)		# Te1[s3>>16]
+	_xtr	$i2,$s2,24-2
+	lw	$t11,0($i3)		# Te1[s0>>16]
+	_xtr	$i3,$s3,24-2
 
 	and	$i0,0x3fc
 	and	$i1,0x3fc
@@ -159,6 +233,17 @@ _mips_AES_encrypt:
 	$PTR_ADD $i1,$Tbl
 	$PTR_ADD $i2,$Tbl
 	$PTR_ADD $i3,$Tbl
+# endif
+	rotr	$t4,$t4,16
+	rotr	$t5,$t5,16
+	rotr	$t6,$t6,16
+	rotr	$t7,$t7,16
+
+	rotr	$t8,$t8,24
+	rotr	$t9,$t9,24
+	rotr	$t10,$t10,24
+	rotr	$t11,$t11,24
+#else
 	lwl	$t4,2($i0)		# Te2[s2>>8]
 	lwl	$t5,2($i1)		# Te2[s3>>8]
 	lwl	$t6,2($i2)		# Te2[s0>>8]
@@ -201,6 +286,7 @@ _mips_AES_encrypt:
 	$PTR_ADD $i1,$Tbl
 	$PTR_ADD $i2,$Tbl
 	$PTR_ADD $i3,$Tbl
+#endif
 	xor	$t0,$t4
 	lw	$t4,0($i0)		# Te0[s0>>24]
 	xor	$t1,$t5
@@ -263,6 +349,89 @@ _mips_AES_encrypt:
 	$PTR_ADD $i1,$Tbl
 	$PTR_ADD $i2,$Tbl
 	$PTR_ADD $i3,$Tbl
+#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2)
+# if defined(_MIPSEL)
+	lbu	$t4,2($i0)		# Te4[s2>>8]
+	$PTR_INS $i0,$s0,2,8
+	lbu	$t5,2($i1)		# Te4[s3>>8]
+	$PTR_INS $i1,$s1,2,8
+	lbu	$t6,2($i2)		# Te4[s0>>8]
+	$PTR_INS $i2,$s2,2,8
+	lbu	$t7,2($i3)		# Te4[s1>>8]
+	$PTR_INS $i3,$s3,2,8
+
+	lbu	$t8,2($i0)		# Te4[s0>>24]
+	_xtr	$i0,$s3,0-2
+	lbu	$t9,2($i1)		# Te4[s1>>24]
+	_xtr	$i1,$s0,0-2
+	lbu	$t10,2($i2)		# Te4[s2>>24]
+	_xtr	$i2,$s1,0-2
+	lbu	$t11,2($i3)		# Te4[s3>>24]
+	_xtr	$i3,$s2,0-2
+
+	and	$i0,0x3fc
+	and	$i1,0x3fc
+	and	$i2,0x3fc
+	and	$i3,0x3fc
+	$PTR_ADD $i0,$Tbl
+	$PTR_ADD $i1,$Tbl
+	$PTR_ADD $i2,$Tbl
+	$PTR_ADD $i3,$Tbl
+# else
+	lbu	$t4,2($i0)		# Te4[s2>>8]
+	_xtr	$i0,$s0,24-2
+	lbu	$t5,2($i1)		# Te4[s3>>8]
+	_xtr	$i1,$s1,24-2
+	lbu	$t6,2($i2)		# Te4[s0>>8]
+	_xtr	$i2,$s2,24-2
+	lbu	$t7,2($i3)		# Te4[s1>>8]
+	_xtr	$i3,$s3,24-2
+
+	and	$i0,0x3fc
+	and	$i1,0x3fc
+	and	$i2,0x3fc
+	and	$i3,0x3fc
+	$PTR_ADD $i0,$Tbl
+	$PTR_ADD $i1,$Tbl
+	$PTR_ADD $i2,$Tbl
+	$PTR_ADD $i3,$Tbl
+	lbu	$t8,2($i0)		# Te4[s0>>24]
+	$PTR_INS $i0,$s3,2,8
+	lbu	$t9,2($i1)		# Te4[s1>>24]
+	$PTR_INS $i1,$s0,2,8
+	lbu	$t10,2($i2)		# Te4[s2>>24]
+	$PTR_INS $i2,$s1,2,8
+	lbu	$t11,2($i3)		# Te4[s3>>24]
+	$PTR_INS $i3,$s2,2,8
+# endif
+	_ins	$t0,16
+	_ins	$t1,16
+	_ins	$t2,16
+	_ins	$t3,16
+
+	_ins2	$t0,$t4,8
+	lbu	$t4,2($i0)		# Te4[s3]
+	_ins2	$t1,$t5,8
+	lbu	$t5,2($i1)		# Te4[s0]
+	_ins2	$t2,$t6,8
+	lbu	$t6,2($i2)		# Te4[s1]
+	_ins2	$t3,$t7,8
+	lbu	$t7,2($i3)		# Te4[s2]
+
+	_ins2	$t0,$t8,24
+	lw	$s0,0($key0)
+	_ins2	$t1,$t9,24
+	lw	$s1,4($key0)
+	_ins2	$t2,$t10,24
+	lw	$s2,8($key0)
+	_ins2	$t3,$t11,24
+	lw	$s3,12($key0)
+
+	_ins2	$t0,$t4,0
+	_ins2	$t1,$t5,0
+	_ins2	$t2,$t6,0
+	_ins2	$t3,$t7,0
+#else
 	lbu	$t4,2($i0)		# Te4[s2>>8]
 	_xtr	$i0,$s0,24-2
 	lbu	$t5,2($i1)		# Te4[s3>>8]
@@ -340,7 +509,7 @@ _mips_AES_encrypt:
 	xor	$t1,$t5
 	xor	$t2,$t6
 	xor	$t3,$t7
-
+#endif
 	xor	$s0,$t0
 	xor	$s1,$t1
 	xor	$s2,$t2
@@ -465,6 +634,16 @@ _mips_AES_decrypt:
 	$PTR_ADD $i1,$Tbl
 	$PTR_ADD $i2,$Tbl
 	$PTR_ADD $i3,$Tbl
+#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2)
+	lw	$t0,0($i0)		# Td1[s3>>16]
+	_xtr	$i0,$s2,8-2
+	lw	$t1,0($i1)		# Td1[s0>>16]
+	_xtr	$i1,$s3,8-2
+	lw	$t2,0($i2)		# Td1[s1>>16]
+	_xtr	$i2,$s0,8-2
+	lw	$t3,0($i3)		# Td1[s2>>16]
+	_xtr	$i3,$s1,8-2
+#else
 	lwl	$t0,3($i0)		# Td1[s3>>16]
 	lwl	$t1,3($i1)		# Td1[s0>>16]
 	lwl	$t2,3($i2)		# Td1[s1>>16]
@@ -477,6 +656,30 @@ _mips_AES_decrypt:
 	_xtr	$i2,$s0,8-2
 	lwr	$t3,2($i3)		# Td1[s2>>16]
 	_xtr	$i3,$s1,8-2
+#endif
+
+	and	$i0,0x3fc
+	and	$i1,0x3fc
+	and	$i2,0x3fc
+	and	$i3,0x3fc
+	$PTR_ADD $i0,$Tbl
+	$PTR_ADD $i1,$Tbl
+	$PTR_ADD $i2,$Tbl
+	$PTR_ADD $i3,$Tbl
+#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2)
+	rotr	$t0,$t0,8
+	rotr	$t1,$t1,8
+	rotr	$t2,$t2,8
+	rotr	$t3,$t3,8
+# if defined(_MIPSEL)
+	lw	$t4,0($i0)		# Td2[s2>>8]
+	_xtr	$i0,$s1,0-2
+	lw	$t5,0($i1)		# Td2[s3>>8]
+	_xtr	$i1,$s2,0-2
+	lw	$t6,0($i2)		# Td2[s0>>8]
+	_xtr	$i2,$s3,0-2
+	lw	$t7,0($i3)		# Td2[s1>>8]
+	_xtr	$i3,$s0,0-2
 
 	and	$i0,0x3fc
 	and	$i1,0x3fc
@@ -486,6 +689,52 @@ _mips_AES_decrypt:
 	$PTR_ADD $i1,$Tbl
 	$PTR_ADD $i2,$Tbl
 	$PTR_ADD $i3,$Tbl
+	lw	$t8,0($i0)		# Td3[s1]
+	$PTR_INS $i0,$s0,2,8
+	lw	$t9,0($i1)		# Td3[s2]
+	$PTR_INS $i1,$s1,2,8
+	lw	$t10,0($i2)		# Td3[s3]
+	$PTR_INS $i2,$s2,2,8
+	lw	$t11,0($i3)		# Td3[s0]
+	$PTR_INS $i3,$s3,2,8
+#else
+	lw	$t4,0($i0)		# Td2[s2>>8]
+	$PTR_INS $i0,$s1,2,8
+	lw	$t5,0($i1)		# Td2[s3>>8]
+	$PTR_INS $i1,$s2,2,8
+	lw	$t6,0($i2)		# Td2[s0>>8]
+	$PTR_INS $i2,$s3,2,8
+	lw	$t7,0($i3)		# Td2[s1>>8]
+	$PTR_INS $i3,$s0,2,8
+
+	lw	$t8,0($i0)		# Td3[s1]
+	_xtr	$i0,$s0,24-2
+	lw	$t9,0($i1)		# Td3[s2]
+	_xtr	$i1,$s1,24-2
+	lw	$t10,0($i2)		# Td3[s3]
+	_xtr	$i2,$s2,24-2
+	lw	$t11,0($i3)		# Td3[s0]
+	_xtr	$i3,$s3,24-2
+
+	and	$i0,0x3fc
+	and	$i1,0x3fc
+	and	$i2,0x3fc
+	and	$i3,0x3fc
+	$PTR_ADD $i0,$Tbl
+	$PTR_ADD $i1,$Tbl
+	$PTR_ADD $i2,$Tbl
+	$PTR_ADD $i3,$Tbl
+#endif
+	rotr	$t4,$t4,16
+	rotr	$t5,$t5,16
+	rotr	$t6,$t6,16
+	rotr	$t7,$t7,16
+
+	rotr	$t8,$t8,24
+	rotr	$t9,$t9,24
+	rotr	$t10,$t10,24
+	rotr	$t11,$t11,24
+#else
 	lwl	$t4,2($i0)		# Td2[s2>>8]
 	lwl	$t5,2($i1)		# Td2[s3>>8]
 	lwl	$t6,2($i2)		# Td2[s0>>8]
@@ -528,6 +777,7 @@ _mips_AES_decrypt:
 	$PTR_ADD $i1,$Tbl
 	$PTR_ADD $i2,$Tbl
 	$PTR_ADD $i3,$Tbl
+#endif
 
 	xor	$t0,$t4
 	lw	$t4,0($i0)		# Td0[s0>>24]
@@ -601,6 +851,81 @@ _mips_AES_decrypt:
 	$PTR_ADD $i1,$Tbl
 	$PTR_ADD $i2,$Tbl
 	$PTR_ADD $i3,$Tbl
+#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2)
+# if defined(_MIPSEL)
+	lbu	$t4,1024($i0)		# Td4[s2>>8]
+	$PTR_INS $i0,$s0,0,8
+	lbu	$t5,1024($i1)		# Td4[s3>>8]
+	$PTR_INS $i1,$s1,0,8
+	lbu	$t6,1024($i2)		# Td4[s0>>8]
+	$PTR_INS $i2,$s2,0,8
+	lbu	$t7,1024($i3)		# Td4[s1>>8]
+	$PTR_INS $i3,$s3,0,8
+
+	lbu	$t8,1024($i0)		# Td4[s0>>24]
+	_xtr	$i0,$s1,0
+	lbu	$t9,1024($i1)		# Td4[s1>>24]
+	_xtr	$i1,$s2,0
+	lbu	$t10,1024($i2)		# Td4[s2>>24]
+	_xtr	$i2,$s3,0
+	lbu	$t11,1024($i3)		# Td4[s3>>24]
+	_xtr	$i3,$s0,0
+
+	$PTR_ADD $i0,$Tbl
+	$PTR_ADD $i1,$Tbl
+	$PTR_ADD $i2,$Tbl
+	$PTR_ADD $i3,$Tbl
+# else
+	lbu	$t4,1024($i0)		# Td4[s2>>8]
+	_xtr	$i0,$s0,24
+	lbu	$t5,1024($i1)		# Td4[s3>>8]
+	_xtr	$i1,$s1,24
+	lbu	$t6,1024($i2)		# Td4[s0>>8]
+	_xtr	$i2,$s2,24
+	lbu	$t7,1024($i3)		# Td4[s1>>8]
+	_xtr	$i3,$s3,24
+
+	$PTR_ADD $i0,$Tbl
+	$PTR_ADD $i1,$Tbl
+	$PTR_ADD $i2,$Tbl
+	$PTR_ADD $i3,$Tbl
+	lbu	$t8,1024($i0)		# Td4[s0>>24]
+	$PTR_INS $i0,$s1,0,8
+	lbu	$t9,1024($i1)		# Td4[s1>>24]
+	$PTR_INS $i1,$s2,0,8
+	lbu	$t10,1024($i2)		# Td4[s2>>24]
+	$PTR_INS $i2,$s3,0,8
+	lbu	$t11,1024($i3)		# Td4[s3>>24]
+	$PTR_INS $i3,$s0,0,8
+# endif
+	_ins	$t0,16
+	_ins	$t1,16
+	_ins	$t2,16
+	_ins	$t3,16
+
+	_ins2	$t0,$t4,8
+	lbu	$t4,1024($i0)		# Td4[s1]
+	_ins2	$t1,$t5,8
+	lbu	$t5,1024($i1)		# Td4[s2]
+	_ins2	$t2,$t6,8
+	lbu	$t6,1024($i2)		# Td4[s3]
+	_ins2	$t3,$t7,8
+	lbu	$t7,1024($i3)		# Td4[s0]
+
+	_ins2	$t0,$t8,24
+	lw	$s0,0($key0)
+	_ins2	$t1,$t9,24
+	lw	$s1,4($key0)
+	_ins2	$t2,$t10,24
+	lw	$s2,8($key0)
+	_ins2	$t3,$t11,24
+	lw	$s3,12($key0)
+
+	_ins2	$t0,$t4,0
+	_ins2	$t1,$t5,0
+	_ins2	$t2,$t6,0
+	_ins2	$t3,$t7,0
+#else
 	lbu	$t4,1024($i0)		# Td4[s2>>8]
 	_xtr	$i0,$s0,24
 	lbu	$t5,1024($i1)		# Td4[s3>>8]
@@ -670,6 +995,7 @@ _mips_AES_decrypt:
 	xor	$t1,$t5
 	xor	$t2,$t6
 	xor	$t3,$t7
+#endif
 
 	xor	$s0,$t0
 	xor	$s1,$t1
@@ -782,7 +1108,7 @@ _mips_AES_set_encrypt_key:
 	beqz	$inp,.Lekey_done
 	li	$t0,-1
 	beqz	$key,.Lekey_done
-	$PTR_ADD $rcon,$Tbl,1024+256
+	$PTR_ADD $rcon,$Tbl,256
 
 	.set	reorder
 	lwl	$rk0,0+$MSB($inp)	# load 128 bits
@@ -834,10 +1160,10 @@ _mips_AES_set_encrypt_key:
 	$PTR_ADD $i1,$Tbl
 	$PTR_ADD $i2,$Tbl
 	$PTR_ADD $i3,$Tbl
-	lbu	$i0,1024($i0)
-	lbu	$i1,1024($i1)
-	lbu	$i2,1024($i2)
-	lbu	$i3,1024($i3)
+	lbu	$i0,0($i0)
+	lbu	$i1,0($i1)
+	lbu	$i2,0($i2)
+	lbu	$i3,0($i3)
 
 	sw	$rk0,0($key)
 	sw	$rk1,4($key)
@@ -889,10 +1215,10 @@ _mips_AES_set_encrypt_key:
 	$PTR_ADD $i1,$Tbl
 	$PTR_ADD $i2,$Tbl
 	$PTR_ADD $i3,$Tbl
-	lbu	$i0,1024($i0)
-	lbu	$i1,1024($i1)
-	lbu	$i2,1024($i2)
-	lbu	$i3,1024($i3)
+	lbu	$i0,0($i0)
+	lbu	$i1,0($i1)
+	lbu	$i2,0($i2)
+	lbu	$i3,0($i3)
 
 	sw	$rk0,0($key)
 	sw	$rk1,4($key)
@@ -948,10 +1274,10 @@ _mips_AES_set_encrypt_key:
 	$PTR_ADD $i1,$Tbl
 	$PTR_ADD $i2,$Tbl
 	$PTR_ADD $i3,$Tbl
-	lbu	$i0,1024($i0)
-	lbu	$i1,1024($i1)
-	lbu	$i2,1024($i2)
-	lbu	$i3,1024($i3)
+	lbu	$i0,0($i0)
+	lbu	$i1,0($i1)
+	lbu	$i2,0($i2)
+	lbu	$i3,0($i3)
 
 	sw	$rk0,0($key)
 	sw	$rk1,4($key)
@@ -990,10 +1316,10 @@ _mips_AES_set_encrypt_key:
 	$PTR_ADD $i1,$Tbl
 	$PTR_ADD $i2,$Tbl
 	$PTR_ADD $i3,$Tbl
-	lbu	$i0,1024($i0)
-	lbu	$i1,1024($i1)
-	lbu	$i2,1024($i2)
-	lbu	$i3,1024($i3)
+	lbu	$i0,0($i0)
+	lbu	$i1,0($i1)
+	lbu	$i2,0($i2)
+	lbu	$i3,0($i3)
 	sll	$i0,24
 	sll	$i1,16
 	sll	$i2,8
@@ -1055,7 +1381,7 @@ $code.=<<___ if ($flavour !~ /o32/i);	# non-o32 PIC-ification
 ___
 $code.=<<___;
 	.set	reorder
-	la	$Tbl,AES_Te		# PIC-ified 'load address'
+	la	$Tbl,AES_Te4		# PIC-ified 'load address'
 
 	bal	_mips_AES_set_encrypt_key
 
@@ -1110,7 +1436,7 @@ $code.=<<___ if ($flavour !~ /o32/i);	# non-o32 PIC-ification
 ___
 $code.=<<___;
 	.set	reorder
-	la	$Tbl,AES_Te		# PIC-ified 'load address'
+	la	$Tbl,AES_Te4		# PIC-ified 'load address'
 
 	bal	_mips_AES_set_encrypt_key
 
@@ -1181,6 +1507,16 @@ $code.=<<___;
 	xor	$tpb,$tp9,$tp2
 	xor	$tpd,$tp9,$tp4
 
+#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2)
+	rotr	$tp1,$tpd,16
+	 xor	$tpe,$tp2
+	rotr	$tp2,$tp9,8
+	xor	$tpe,$tp1
+	rotr	$tp4,$tpb,24
+	xor	$tpe,$tp2
+	lw	$tp1,4($key)		# modulo-scheduled
+	xor	$tpe,$tp4
+#else
 	_ror	$tp1,$tpd,16
 	 xor	$tpe,$tp2
 	_ror	$tp2,$tpd,-16
@@ -1195,6 +1531,7 @@ $code.=<<___;
 	xor	$tpe,$tp1
 	lw	$tp1,4($key)		# modulo-scheduled
 	xor	$tpe,$tp2
+#endif
 	sub	$cnt,1
 	sw	$tpe,0($key)
 	$PTR_ADD $key,4
@@ -1225,7 +1562,7 @@ ___
 # Tables are kept in endian-neutral manner
 $code.=<<___;
 .rdata
-.align	6
+.align	10
 AES_Te:
 .byte	0xc6,0x63,0x63,0xa5,	0xf8,0x7c,0x7c,0x84	# Te0
 .byte	0xee,0x77,0x77,0x99,	0xf6,0x7b,0x7b,0x8d
@@ -1356,46 +1693,6 @@ AES_Te:
 .byte	0x7b,0xb0,0xb0,0xcb,	0xa8,0x54,0x54,0xfc
 .byte	0x6d,0xbb,0xbb,0xd6,	0x2c,0x16,0x16,0x3a
 
-.byte	0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5	# Te4
-.byte	0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76
-.byte	0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0
-.byte	0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0
-.byte	0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc
-.byte	0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15
-.byte	0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a
-.byte	0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75
-.byte	0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0
-.byte	0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84
-.byte	0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b
-.byte	0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf
-.byte	0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85
-.byte	0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8
-.byte	0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5
-.byte	0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2
-.byte	0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17
-.byte	0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73
-.byte	0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88
-.byte	0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb
-.byte	0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c
-.byte	0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79
-.byte	0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9
-.byte	0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08
-.byte	0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6
-.byte	0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a
-.byte	0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e
-.byte	0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e
-.byte	0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94
-.byte	0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf
-.byte	0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68
-.byte	0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
-
-.byte	0x01,0x00,0x00,0x00,	0x02,0x00,0x00,0x00	# rcon
-.byte	0x04,0x00,0x00,0x00,	0x08,0x00,0x00,0x00
-.byte	0x10,0x00,0x00,0x00,	0x20,0x00,0x00,0x00
-.byte	0x40,0x00,0x00,0x00,	0x80,0x00,0x00,0x00
-.byte	0x1B,0x00,0x00,0x00,	0x36,0x00,0x00,0x00
-
-.align	6
 AES_Td:
 .byte	0x51,0xf4,0xa7,0x50,	0x7e,0x41,0x65,0x53	# Td0
 .byte	0x1a,0x17,0xa4,0xc3,	0x3a,0x27,0x5e,0x96
@@ -1558,6 +1855,46 @@ AES_Td:
 .byte	0xc8, 0xeb, 0xbb, 0x3c, 0x83, 0x53, 0x99, 0x61
 .byte	0x17, 0x2b, 0x04, 0x7e, 0xba, 0x77, 0xd6, 0x26
 .byte	0xe1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0c, 0x7d
+
+AES_Te4:
+.byte	0x63, 0x7c, 0x77, 0x7b, 0xf2, 0x6b, 0x6f, 0xc5	# Te4
+.byte	0x30, 0x01, 0x67, 0x2b, 0xfe, 0xd7, 0xab, 0x76
+.byte	0xca, 0x82, 0xc9, 0x7d, 0xfa, 0x59, 0x47, 0xf0
+.byte	0xad, 0xd4, 0xa2, 0xaf, 0x9c, 0xa4, 0x72, 0xc0
+.byte	0xb7, 0xfd, 0x93, 0x26, 0x36, 0x3f, 0xf7, 0xcc
+.byte	0x34, 0xa5, 0xe5, 0xf1, 0x71, 0xd8, 0x31, 0x15
+.byte	0x04, 0xc7, 0x23, 0xc3, 0x18, 0x96, 0x05, 0x9a
+.byte	0x07, 0x12, 0x80, 0xe2, 0xeb, 0x27, 0xb2, 0x75
+.byte	0x09, 0x83, 0x2c, 0x1a, 0x1b, 0x6e, 0x5a, 0xa0
+.byte	0x52, 0x3b, 0xd6, 0xb3, 0x29, 0xe3, 0x2f, 0x84
+.byte	0x53, 0xd1, 0x00, 0xed, 0x20, 0xfc, 0xb1, 0x5b
+.byte	0x6a, 0xcb, 0xbe, 0x39, 0x4a, 0x4c, 0x58, 0xcf
+.byte	0xd0, 0xef, 0xaa, 0xfb, 0x43, 0x4d, 0x33, 0x85
+.byte	0x45, 0xf9, 0x02, 0x7f, 0x50, 0x3c, 0x9f, 0xa8
+.byte	0x51, 0xa3, 0x40, 0x8f, 0x92, 0x9d, 0x38, 0xf5
+.byte	0xbc, 0xb6, 0xda, 0x21, 0x10, 0xff, 0xf3, 0xd2
+.byte	0xcd, 0x0c, 0x13, 0xec, 0x5f, 0x97, 0x44, 0x17
+.byte	0xc4, 0xa7, 0x7e, 0x3d, 0x64, 0x5d, 0x19, 0x73
+.byte	0x60, 0x81, 0x4f, 0xdc, 0x22, 0x2a, 0x90, 0x88
+.byte	0x46, 0xee, 0xb8, 0x14, 0xde, 0x5e, 0x0b, 0xdb
+.byte	0xe0, 0x32, 0x3a, 0x0a, 0x49, 0x06, 0x24, 0x5c
+.byte	0xc2, 0xd3, 0xac, 0x62, 0x91, 0x95, 0xe4, 0x79
+.byte	0xe7, 0xc8, 0x37, 0x6d, 0x8d, 0xd5, 0x4e, 0xa9
+.byte	0x6c, 0x56, 0xf4, 0xea, 0x65, 0x7a, 0xae, 0x08
+.byte	0xba, 0x78, 0x25, 0x2e, 0x1c, 0xa6, 0xb4, 0xc6
+.byte	0xe8, 0xdd, 0x74, 0x1f, 0x4b, 0xbd, 0x8b, 0x8a
+.byte	0x70, 0x3e, 0xb5, 0x66, 0x48, 0x03, 0xf6, 0x0e
+.byte	0x61, 0x35, 0x57, 0xb9, 0x86, 0xc1, 0x1d, 0x9e
+.byte	0xe1, 0xf8, 0x98, 0x11, 0x69, 0xd9, 0x8e, 0x94
+.byte	0x9b, 0x1e, 0x87, 0xe9, 0xce, 0x55, 0x28, 0xdf
+.byte	0x8c, 0xa1, 0x89, 0x0d, 0xbf, 0xe6, 0x42, 0x68
+.byte	0x41, 0x99, 0x2d, 0x0f, 0xb0, 0x54, 0xbb, 0x16
+
+.byte	0x01,0x00,0x00,0x00,	0x02,0x00,0x00,0x00	# rcon
+.byte	0x04,0x00,0x00,0x00,	0x08,0x00,0x00,0x00
+.byte	0x10,0x00,0x00,0x00,	0x20,0x00,0x00,0x00
+.byte	0x40,0x00,0x00,0x00,	0x80,0x00,0x00,0x00
+.byte	0x1B,0x00,0x00,0x00,	0x36,0x00,0x00,0x00
 ___
 
 foreach (split("\n",$code)) {
@@ -1574,6 +1911,9 @@ foreach (split("\n",$code)) {
 	    s/_ins\s+(\$[0-9]+),(\$[0-9]+),([0-9]+)/
 		sprintf("sll\t$1,$2,%d",$big_endian ?	eval($3)
 					:		eval("24-$3"))/e or
+	    s/_ins2\s+(\$[0-9]+),(\$[0-9]+),([0-9]+)/
+		sprintf("ins\t$1,$2,%d,8",$big_endian ?	eval($3)
+					:		eval("24-$3"))/e or
 	    s/_ror\s+(\$[0-9]+),(\$[0-9]+),(\-?[0-9]+)/
 		sprintf("srl\t$1,$2,%d",$big_endian ?	eval($3)
 					:		eval("$3*-1"))/e or
@@ -1596,6 +1936,8 @@ foreach (split("\n",$code)) {
 		sprintf("$1%d($3)",eval("$2-$2%4+($2%4+1)&3"))/e;
 	}
 
+	s/(rotr\s+\$[0-9]+,\$[0-9]+),([0-9]+)/sprintf("$1,%d",32-$2)/e if(!$big_endian);
+
 	print $_,"\n";
 }
 
diff --git a/crypto/sha/asm/sha1-mips.pl b/crypto/sha/asm/sha1-mips.pl
index 3f00a05ffd..63c3efa03f 100644
--- a/crypto/sha/asm/sha1-mips.pl
+++ b/crypto/sha/asm/sha1-mips.pl
@@ -15,6 +15,10 @@
 # compatible subroutine. There is room for minor optimization on
 # little-endian platforms...
 
+# September 2012.
+#
+# Add MIPS32r2 code.
+
 ######################################################################
 # There is a number of MIPS ABI in use, O32 and N32/64 are most
 # widely used. Then there is a new contender: NUBI. It appears that if
@@ -95,6 +99,10 @@ sub BODY_00_14 {
 my ($i,$a,$b,$c,$d,$e)=@_;
 my $j=$i+1;
 $code.=<<___	if (!$big_endian);
+#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2)
+	wsbh	@X[$i],@X[$i]	# byte swap($i)
+	rotr	@X[$i],@X[$i],16
+#else
 	srl	$t0,@X[$i],24	# byte swap($i)
 	srl	$t1,@X[$i],8
 	andi	$t2,@X[$i],0xFF00
@@ -104,8 +112,22 @@ $code.=<<___	if (!$big_endian);
 	or	@X[$i],$t0
 	or	$t1,$t2
 	or	@X[$i],$t1
+#endif
 ___
 $code.=<<___;
+#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2)
+	addu	$e,$K		# $i
+	xor	$t0,$c,$d
+	rotr	$t1,$a,27
+	 lwl	@X[$j],$j*4+$MSB($inp)
+	and	$t0,$b
+	addu	$e,$t1
+	 lwr	@X[$j],$j*4+$LSB($inp)
+	xor	$t0,$d
+	addu	$e,@X[$i]
+	rotr	$b,$b,2
+	addu	$e,$t0
+#else
 	 lwl	@X[$j],$j*4+$MSB($inp)
 	sll	$t0,$a,5	# $i
 	addu	$e,$K
@@ -121,6 +143,7 @@ $code.=<<___;
 	addu	$e,@X[$i]
 	or	$b,$t2
 	addu	$e,$t0
+#endif
 ___
 }
 
@@ -129,6 +152,10 @@ my ($i,$a,$b,$c,$d,$e)=@_;
 my $j=$i+1;
 
 $code.=<<___	if (!$big_endian && $i==15);
+#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2)
+	wsbh	@X[$i],@X[$i]	# byte swap($i)
+	rotr	@X[$i],@X[$i],16
+#else
 	srl	$t0,@X[$i],24	# byte swap($i)
 	srl	$t1,@X[$i],8
 	andi	$t2,@X[$i],0xFF00
@@ -138,8 +165,24 @@ $code.=<<___	if (!$big_endian && $i==15);
 	or	@X[$i],$t0
 	or	@X[$i],$t1
 	or	@X[$i],$t2
+#endif
 ___
 $code.=<<___;
+#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2)
+	addu	$e,$K		# $i
+	 xor	@X[$j%16],@X[($j+2)%16]
+	xor	$t0,$c,$d
+	rotr	$t1,$a,27
+	 xor	@X[$j%16],@X[($j+8)%16]
+	and	$t0,$b
+	addu	$e,$t1
+	 xor	@X[$j%16],@X[($j+13)%16]
+	xor	$t0,$d
+	addu	$e,@X[$i%16]
+	 rotr	@X[$j%16],@X[$j%16],31
+	rotr	$b,$b,2
+	addu	$e,$t0
+#else
 	 xor	@X[$j%16],@X[($j+2)%16]
 	sll	$t0,$a,5	# $i
 	addu	$e,$K
@@ -159,6 +202,7 @@ $code.=<<___;
 	addu	$e,@X[$i%16]
 	or	$b,$t2
 	addu	$e,$t0
+#endif
 ___
 }
 
@@ -166,6 +210,20 @@ sub BODY_20_39 {
 my ($i,$a,$b,$c,$d,$e)=@_;
 my $j=$i+1;
 $code.=<<___ if ($i<79);
+#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2)
+	 xor	@X[$j%16],@X[($j+2)%16]
+	addu	$e,$K		# $i
+	rotr	$t1,$a,27
+	 xor	@X[$j%16],@X[($j+8)%16]
+	xor	$t0,$c,$d
+	addu	$e,$t1
+	 xor	@X[$j%16],@X[($j+13)%16]
+	xor	$t0,$b
+	addu	$e,@X[$i%16]
+	 rotr	@X[$j%16],@X[$j%16],31
+	rotr	$b,$b,2
+	addu	$e,$t0
+#else
 	 xor	@X[$j%16],@X[($j+2)%16]
 	sll	$t0,$a,5	# $i
 	addu	$e,$K
@@ -184,8 +242,24 @@ $code.=<<___ if ($i<79);
 	 or	@X[$j%16],$t1
 	or	$b,$t2
 	addu	$e,$t0
+#endif
 ___
 $code.=<<___ if ($i==79);
+#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2)
+	 lw	@X[0],0($ctx)
+	addu	$e,$K		# $i
+	 lw	@X[1],4($ctx)
+	rotr	$t1,$a,27
+	 lw	@X[2],8($ctx)
+	xor	$t0,$c,$d
+	addu	$e,$t1
+	 lw	@X[3],12($ctx)
+	xor	$t0,$b
+	addu	$e,@X[$i%16]
+	 lw	@X[4],16($ctx)
+	rotr	$b,$b,2
+	addu	$e,$t0
+#else
 	 lw	@X[0],0($ctx)
 	sll	$t0,$a,5	# $i
 	addu	$e,$K
@@ -203,6 +277,7 @@ $code.=<<___ if ($i==79);
 	addu	$e,@X[$i%16]
 	or	$b,$t2
 	addu	$e,$t0
+#endif
 ___
 }
 
@@ -210,6 +285,22 @@ sub BODY_40_59 {
 my ($i,$a,$b,$c,$d,$e)=@_;
 my $j=$i+1;
 $code.=<<___ if ($i<79);
+#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2)
+	addu	$e,$K		# $i
+	and	$t0,$c,$d
+	 xor	@X[$j%16],@X[($j+2)%16]
+	rotr	$t1,$a,27
+	addu	$e,$t0
+	 xor	@X[$j%16],@X[($j+8)%16]
+	xor	$t0,$c,$d
+	addu	$e,$t1
+	 xor	@X[$j%16],@X[($j+13)%16]
+	and	$t0,$b
+	addu	$e,@X[$i%16]
+	 rotr	@X[$j%16],@X[$j%16],31
+	rotr	$b,$b,2
+	addu	$e,$t0
+#else
 	 xor	@X[$j%16],@X[($j+2)%16]
 	sll	$t0,$a,5	# $i
 	addu	$e,$K
@@ -230,6 +321,7 @@ $code.=<<___ if ($i<79);
 	addu	$e,@X[$i%16]
 	or	$b,$t2
 	addu	$e,$t0
+#endif
 ___
 }
 
diff --git a/crypto/sha/asm/sha512-mips.pl b/crypto/sha/asm/sha512-mips.pl
index 92c36ac16d..d190414203 100644
--- a/crypto/sha/asm/sha512-mips.pl
+++ b/crypto/sha/asm/sha512-mips.pl
@@ -1,7 +1,7 @@
 #!/usr/bin/env perl
 
 # ====================================================================
-# Written by Andy Polyakov <appro@fy.chalmers.se> for the OpenSSL
+# Written by Andy Polyakov <appro@openssl.org> for the OpenSSL
 # project. The module is, however, dual licensed under OpenSSL and
 # CRYPTOGAMS licenses depending on where you obtain it. For further
 # details see http://www.openssl.org/~appro/cryptogams/.
@@ -17,6 +17,10 @@
 # ~17%, but it comes for free, because it's same instruction sequence.
 # Improvement coefficients are for aligned input.
 
+# September 2012.
+#
+# Add MIPS[32|64]r2 code.
+
 ######################################################################
 # There is a number of MIPS ABI in use, O32 and N32/64 are most
 # widely used. Then there is a new contender: NUBI. It appears that if
@@ -83,6 +87,7 @@ if ($output =~ /512/) {
 	$SLL="dsll";		# shift left logical
 	$SRL="dsrl";		# shift right logical
 	$ADDU="daddu";
+	$ROTR="drotr";
 	@Sigma0=(28,34,39);
 	@Sigma1=(14,18,41);
 	@sigma0=( 7, 1, 8);	# right shift first
@@ -97,6 +102,7 @@ if ($output =~ /512/) {
 	$SLL="sll";		# shift left logical
 	$SRL="srl";		# shift right logical
 	$ADDU="addu";
+	$ROTR="rotr";
 	@Sigma0=( 2,13,22);
 	@Sigma1=( 6,11,25);
 	@sigma0=( 3, 7,18);	# right shift first
@@ -124,6 +130,10 @@ $code.=<<___ if ($i<15);
 	${LD}r	@X[1],`($i+1)*$SZ+$LSB`($inp)
 ___
 $code.=<<___	if (!$big_endian && $i<16 && $SZ==4);
+#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2)
+	wsbh	@X[0],@X[0]		# byte swap($i)
+	rotr	@X[0],@X[0],16
+#else
 	srl	$tmp0,@X[0],24		# byte swap($i)
 	srl	$tmp1,@X[0],8
 	andi	$tmp2,@X[0],0xFF00
@@ -133,8 +143,13 @@ $code.=<<___	if (!$big_endian && $i<16 && $SZ==4);
 	or	@X[0],$tmp0
 	or	$tmp1,$tmp2
 	or	@X[0],$tmp1
+#endif
 ___
 $code.=<<___	if (!$big_endian && $i<16 && $SZ==8);
+#if defined(_MIPS_ARCH_MIPS64R2)
+	dsbh	@X[0],@X[0]		# byte swap($i)
+	dshd	@X[0],@X[0]
+#else
 	ori	$tmp0,$zero,0xFF
 	dsll	$tmp2,$tmp0,32
 	or	$tmp0,$tmp2		# 0x000000FF000000FF
@@ -153,8 +168,31 @@ $code.=<<___	if (!$big_endian && $i<16 && $SZ==8);
 	dsrl	$tmp1,@X[0],32
 	dsll	@X[0],32
 	or	@X[0],$tmp1
+#endif
 ___
 $code.=<<___;
+#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2)
+	xor	$tmp2,$f,$g			# $i
+	$ROTR	$tmp0,$e,@Sigma1[0]
+	$ADDU	$T1,$X[0],$h
+	$ROTR	$tmp1,$e,@Sigma1[1]
+	and	$tmp2,$e
+	$ROTR	$h,$e,@Sigma1[2]
+	xor	$tmp0,$tmp1
+	$ROTR	$tmp1,$a,@Sigma0[0]
+	xor	$tmp2,$g			# Ch(e,f,g)
+	xor	$tmp0,$h			# Sigma1(e)
+
+	$ROTR	$h,$a,@Sigma0[1]
+	$ADDU	$T1,$tmp2
+	$LD	$tmp2,`$i*$SZ`($Ktbl)		# K[$i]
+	xor	$h,$tmp1
+	$ROTR	$tmp1,$a,@Sigma0[2]
+	$ADDU	$T1,$tmp0
+	and	$tmp0,$b,$c
+	xor	$h,$tmp1			# Sigma0(a)
+	xor	$tmp1,$b,$c
+#else
 	$ADDU	$T1,$X[0],$h			# $i
 	$SRL	$h,$e,@Sigma1[0]
 	xor	$tmp2,$f,$g
@@ -184,16 +222,15 @@ $code.=<<___;
 	xor	$h,$tmp1
 	$SLL	$tmp1,$a,`$SZ*8-@Sigma0[0]`
 	xor	$h,$tmp0
-	$ST	@X[0],`($i%16)*$SZ`($sp)	# offload to ring buffer
+	and	$tmp0,$b,$c
 	xor	$h,$tmp1			# Sigma0(a)
-
-	or	$tmp0,$a,$b
-	and	$tmp1,$a,$b
-	and	$tmp0,$c
-	or	$tmp1,$tmp0			# Maj(a,b,c)
+	xor	$tmp1,$b,$c
+#endif
+	$ST	@X[0],`($i%16)*$SZ`($sp)	# offload to ring buffer
+	$ADDU	$h,$tmp0
+	and	$tmp1,$a
 	$ADDU	$T1,$tmp2			# +=K[$i]
-	$ADDU	$h,$tmp1
-
+	$ADDU	$h,$tmp1			# +=Maj(a,b,c)
 	$ADDU	$d,$T1
 	$ADDU	$h,$T1
 ___
@@ -207,6 +244,20 @@ my $i=@_[0];
 my ($tmp0,$tmp1,$tmp2,$tmp3)=(@X[4],@X[5],@X[6],@X[7]);
 
 $code.=<<___;
+#if defined(_MIPS_ARCH_MIPS32R2) || defined(_MIPS_ARCH_MIPS64R2)
+	$SRL	$tmp2,@X[1],@sigma0[0]		# Xupdate($i)
+	$ROTR	$tmp0,@X[1],@sigma0[1]
+	$ADDU	@X[0],@X[9]			# +=X[i+9]
+	xor	$tmp2,$tmp0
+	$ROTR	$tmp0,@X[1],@sigma0[2]
+
+	$SRL	$tmp3,@X[14],@sigma1[0]
+	$ROTR	$tmp1,@X[14],@sigma1[1]
+	xor	$tmp2,$tmp0			# sigma0(X[i+1])
+	$ROTR	$tmp0,@X[14],@sigma1[2]
+	xor	$tmp3,$tmp1
+	$ADDU	@X[0],$tmp2
+#else
 	$SRL	$tmp2,@X[1],@sigma0[0]		# Xupdate($i)
 	$ADDU	@X[0],@X[9]			# +=X[i+9]
 	$SLL	$tmp1,@X[1],`$SZ*8-@sigma0[2]`
@@ -227,7 +278,7 @@ $code.=<<___;
 	xor	$tmp3,$tmp0
 	$SRL	$tmp0,@X[14],@sigma1[2]
 	xor	$tmp3,$tmp1
-
+#endif
 	xor	$tmp3,$tmp0			# sigma1(X[i+14])
 	$ADDU	@X[0],$tmp3
 ___