diff options
Diffstat (limited to 'libotr/libgcrypt-1.8.7/mpi/pa7100/mpih-lshift.S')
-rw-r--r-- | libotr/libgcrypt-1.8.7/mpi/pa7100/mpih-lshift.S | 96 |
1 files changed, 96 insertions, 0 deletions
diff --git a/libotr/libgcrypt-1.8.7/mpi/pa7100/mpih-lshift.S b/libotr/libgcrypt-1.8.7/mpi/pa7100/mpih-lshift.S new file mode 100644 index 0000000..8ade196 --- /dev/null +++ b/libotr/libgcrypt-1.8.7/mpi/pa7100/mpih-lshift.S @@ -0,0 +1,96 @@ +/* hppa lshift + * optimized for the PA7100, where it runs at 3.25 cycles/limb + * + * Copyright (C) 1992, 1994, 1998, + * 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_lshift( mpi_ptr_t wp, (gr26) + * mpi_ptr_t up, (gr25) + * mpi_size_t usize, (gr24) + * unsigned cnt) (gr23) + */ + + .code + .export _gcry_mpih_lshift + .label _gcry_mpih_lshift + .proc + .callinfo frame=64,no_calls + .entry + + sh2add %r24,%r25,%r25 + sh2add %r24,%r26,%r26 + ldws,mb -4(0,%r25),%r22 + subi 32,%r23,%r1 + mtsar %r1 + addib,= -1,%r24,L$0004 + vshd %r0,%r22,%r28 ; compute carry out limb + ldws,mb -4(0,%r25),%r29 + addib,<= -5,%r24,L$rest + vshd %r22,%r29,%r20 + + .label L$loop + ldws,mb -4(0,%r25),%r22 + stws,mb %r20,-4(0,%r26) + vshd %r29,%r22,%r20 + ldws,mb -4(0,%r25),%r29 + stws,mb %r20,-4(0,%r26) + vshd %r22,%r29,%r20 + ldws,mb -4(0,%r25),%r22 + stws,mb %r20,-4(0,%r26) + vshd %r29,%r22,%r20 + ldws,mb -4(0,%r25),%r29 + stws,mb %r20,-4(0,%r26) + addib,> -4,%r24,L$loop + vshd %r22,%r29,%r20 + + .label L$rest + addib,= 4,%r24,L$end1 + nop + .label L$eloop + ldws,mb -4(0,%r25),%r22 + stws,mb %r20,-4(0,%r26) + addib,<= -1,%r24,L$end2 + vshd %r29,%r22,%r20 + ldws,mb -4(0,%r25),%r29 + stws,mb %r20,-4(0,%r26) + addib,> -1,%r24,L$eloop + vshd %r22,%r29,%r20 + + .label L$end1 + stws,mb %r20,-4(0,%r26) + vshd %r29,%r0,%r20 + bv 0(%r2) + stw %r20,-4(0,%r26) + .label L$end2 + stws,mb %r20,-4(0,%r26) + .label L$0004 + vshd %r22,%r0,%r20 + bv 0(%r2) + stw %r20,-4(0,%r26) + + .exit + .procend + + + |