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Diffstat (limited to '')
| -rw-r--r-- | comm/third_party/libgcrypt/mpi/hppa1.1/udiv-qrnnd.S | 92 |
1 files changed, 92 insertions, 0 deletions
diff --git a/comm/third_party/libgcrypt/mpi/hppa1.1/udiv-qrnnd.S b/comm/third_party/libgcrypt/mpi/hppa1.1/udiv-qrnnd.S new file mode 100644 index 0000000000..3f28b7b64d --- /dev/null +++ b/comm/third_party/libgcrypt/mpi/hppa1.1/udiv-qrnnd.S @@ -0,0 +1,92 @@ +/* HP-PA __udiv_qrnnd division support, used from longlong.h. + * This version runs fast on PA 7000 and later. + * + * Copyright (C) 1993, 1994, 1998, + * 2001, 2002, 2004 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 + * + * Note: This code is heavily based on the GNU MP Library. + * Actually it's the same code with only minor changes in the + * way the data is stored; this is to support the abstraction + * of an optional secure memory allocation which may be used + * to avoid revealing of sensitive data due to paging etc. + */ + + + +/* INPUT PARAMETERS + * rem_ptr gr26 + * n1 gr25 + * n0 gr24 + * d gr23 + */ + + .level 1.1 + + .data + .align 8 + .label L$0000 + .word 0x43f00000 + .word 0x0 + .code + .export __udiv_qrnnd + .label __udiv_qrnnd + .proc + .callinfo frame=64,no_calls + .entry + ldo 64(%r30),%r30 + + stws %r25,-16(0,%r30) ; n_hi + stws %r24,-12(0,%r30) ; n_lo + stw %r19,-32(%r30) + addil LT%L$0000,%r19 + ldw RT%L$0000(%r1),%r1 + fldds -16(0,%r30),%fr5 + stws %r23,-12(0,%r30) + comib,<= 0,%r25,L$1 + fcnvxf,dbl,dbl %fr5,%fr5 + fldds 0(0,%r1),%fr4 + fadd,dbl %fr4,%fr5,%fr5 + .label L$1 + fcpy,sgl %fr0,%fr6L + fldws -12(0,%r30),%fr6R + fcnvxf,dbl,dbl %fr6,%fr4 + + fdiv,dbl %fr5,%fr4,%fr5 + + fcnvfx,dbl,dbl %fr5,%fr4 + fstws %fr4R,-16(%r30) + xmpyu %fr4R,%fr6R,%fr6 + ldws -16(%r30),%r28 + fstds %fr6,-16(0,%r30) + ldws -12(0,%r30),%r21 + ldws -16(0,%r30),%r20 + sub %r24,%r21,%r22 + subb %r25,%r20,%r1 + comib,= 0,%r1,L$2 + ldo -64(%r30),%r30 + + add %r22,%r23,%r22 + ldo -1(%r28),%r28 + .label L$2 + bv 0(%r2) + stws %r22,0(0,%r26) + + .exit + .procend + |