summaryrefslogtreecommitdiff
path: root/plugins/MirOTR/libgcrypt-1.4.6/mpi/mips3/mpih-mul2.S
diff options
context:
space:
mode:
authorKirill Volinsky <mataes2007@gmail.com>2012-05-19 18:01:32 +0000
committerKirill Volinsky <mataes2007@gmail.com>2012-05-19 18:01:32 +0000
commitb1509f22892dc98057c750e7fae39ded5cea3b09 (patch)
tree6bdcc9379ae86339a67022b758575729d1304074 /plugins/MirOTR/libgcrypt-1.4.6/mpi/mips3/mpih-mul2.S
parente7a776a6f5ab323cd9dd824e815846ef268fa7f1 (diff)
added MirOTR
git-svn-id: http://svn.miranda-ng.org/main/trunk@83 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'plugins/MirOTR/libgcrypt-1.4.6/mpi/mips3/mpih-mul2.S')
-rw-r--r--plugins/MirOTR/libgcrypt-1.4.6/mpi/mips3/mpih-mul2.S101
1 files changed, 101 insertions, 0 deletions
diff --git a/plugins/MirOTR/libgcrypt-1.4.6/mpi/mips3/mpih-mul2.S b/plugins/MirOTR/libgcrypt-1.4.6/mpi/mips3/mpih-mul2.S
new file mode 100644
index 0000000000..ca8276388f
--- /dev/null
+++ b/plugins/MirOTR/libgcrypt-1.4.6/mpi/mips3/mpih-mul2.S
@@ -0,0 +1,101 @@
+/* MIPS3 addmul_1 -- Multiply a limb vector with a single limb and
+ * add the product to a second limb vector.
+ *
+ * Copyright (C) 1992, 1994, 1995, 1998, 2000
+ * 2001, 2002 Free Software Foundation, Inc.
+ *
+ * This file is part of Libgcrypt.
+ *
+ * Libgcrypt is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as
+ * published by the Free Software Foundation; either version 2.1 of
+ * the License, or (at your option) any later version.
+ *
+ * Libgcrypt is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
+ */
+
+
+/*******************
+ * mpi_limb_t
+ * _gcry_mpih_addmul_1( mpi_ptr_t res_ptr, (r4)
+ * mpi_ptr_t s1_ptr, (r5)
+ * mpi_size_t s1_size, (r6)
+ * mpi_limb_t s2_limb) (r7)
+ */
+
+ .text
+ .align 4
+ .globl _gcry_mpih_addmul_1
+ .ent _gcry_mpih_addmul_1
+_gcry_mpih_addmul_1:
+ .set noreorder
+ .set nomacro
+
+/* # warm up phase 0 */
+ ld $8,0($5)
+
+/* # warm up phase 1 */
+ daddiu $5,$5,8
+ dmultu $8,$7
+
+ daddiu $6,$6,-1
+ beq $6,$0,$LC0
+ move $2,$0 # zero cy2
+
+ daddiu $6,$6,-1
+ beq $6,$0,$LC1
+ ld $8,0($5) # load new s1 limb as early as possible
+
+Loop: ld $10,0($4)
+ mflo $3
+ mfhi $9
+ daddiu $5,$5,8
+ daddu $3,$3,$2 # add old carry limb to low product limb
+ dmultu $8,$7
+ ld $8,0($5) # load new s1 limb as early as possible
+ daddiu $6,$6,-1 # decrement loop counter
+ sltu $2,$3,$2 # carry from previous addition -> $2
+ daddu $3,$10,$3
+ sltu $10,$3,$10
+ daddu $2,$2,$10
+ sd $3,0($4)
+ daddiu $4,$4,8
+ bne $6,$0,Loop
+ daddu $2,$9,$2 # add high product limb and carry from addition
+
+/* # cool down phase 1 */
+$LC1: ld $10,0($4)
+ mflo $3
+ mfhi $9
+ daddu $3,$3,$2
+ sltu $2,$3,$2
+ dmultu $8,$7
+ daddu $3,$10,$3
+ sltu $10,$3,$10
+ daddu $2,$2,$10
+ sd $3,0($4)
+ daddiu $4,$4,8
+ daddu $2,$9,$2 # add high product limb and carry from addition
+
+/* # cool down phase 0 */
+$LC0: ld $10,0($4)
+ mflo $3
+ mfhi $9
+ daddu $3,$3,$2
+ sltu $2,$3,$2
+ daddu $3,$10,$3
+ sltu $10,$3,$10
+ daddu $2,$2,$10
+ sd $3,0($4)
+ j $31
+ daddu $2,$9,$2 # add high product limb and carry from addition
+
+ .end _gcry_mpih_addmul_1
+