diff options
Diffstat (limited to 'ports/sysdeps/hppa/udiv_qrnnd.S')
| -rw-r--r-- | ports/sysdeps/hppa/udiv_qrnnd.S | 285 |
1 files changed, 0 insertions, 285 deletions
diff --git a/ports/sysdeps/hppa/udiv_qrnnd.S b/ports/sysdeps/hppa/udiv_qrnnd.S deleted file mode 100644 index cf06286b02..0000000000 --- a/ports/sysdeps/hppa/udiv_qrnnd.S +++ /dev/null @@ -1,285 +0,0 @@ -;! HP-PA __udiv_qrnnd division support, used from longlong.h. -;! This version runs fast on pre-PA7000 CPUs. - -;! Copyright (C) 1993-2014 Free Software Foundation, Inc. - -;! This file is part of the GNU MP Library. - -;! The GNU MP Library 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. - -;! The GNU MP Library 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 the GNU MP Library. If not, see -;! <http://www.gnu.org/licenses/>. - - -;! INPUT PARAMETERS -;! rem_ptr gr26 -;! n1 gr25 -;! n0 gr24 -;! d gr23 - -;! The code size is a bit excessive. We could merge the last two ds;addc -;! sequences by simply moving the "bb,< Odd" instruction down. The only -;! trouble is the FFFFFFFF code that would need some hacking. - - .text - .export __udiv_qrnnd -__udiv_qrnnd: - .proc - .callinfo frame=0,no_calls - .entry - - comb,< %r23,%r0,L$largedivisor - sub %r0,%r23,%r1 ;! clear cy as side-effect - ds %r0,%r1,%r0 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r24 - ds %r25,%r23,%r25 - addc %r24,%r24,%r28 - ds %r25,%r23,%r25 - comclr,>= %r25,%r0,%r0 - addl %r25,%r23,%r25 - stws %r25,0(%r26) - bv 0(%r2) - addc %r28,%r28,%r28 - -L$largedivisor: - extru %r24,31,1,%r20 ;! r20 = n0 & 1 - bb,< %r23,31,L$odd - extru %r23,30,31,%r22 ;! r22 = d >> 1 - shd %r25,%r24,1,%r24 ;! r24 = new n0 - extru %r25,30,31,%r25 ;! r25 = new n1 - sub %r0,%r22,%r21 - ds %r0,%r21,%r0 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - comclr,>= %r25,%r0,%r0 - addl %r25,%r22,%r25 - sh1addl %r25,%r20,%r25 - stws %r25,0(%r26) - bv 0(%r2) - addc %r24,%r24,%r28 - -L$odd: addib,sv,n 1,%r22,L$FF.. ;! r22 = (d / 2 + 1) - shd %r25,%r24,1,%r24 ;! r24 = new n0 - extru %r25,30,31,%r25 ;! r25 = new n1 - sub %r0,%r22,%r21 - ds %r0,%r21,%r0 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r24 - ds %r25,%r22,%r25 - addc %r24,%r24,%r28 - comclr,>= %r25,%r0,%r0 - addl %r25,%r22,%r25 - sh1addl %r25,%r20,%r25 -;! We have computed (n1,,n0) / (d + 1), q' = r28, r' = r25 - add,nuv %r28,%r25,%r25 - addl %r25,%r1,%r25 - addc %r0,%r28,%r28 - sub,<< %r25,%r23,%r0 - addl %r25,%r1,%r25 - stws %r25,0(%r26) - bv 0(%r2) - addc %r0,%r28,%r28 - -;! This is just a special case of the code above. -;! We come here when d == 0xFFFFFFFF -L$FF..: add,uv %r25,%r24,%r24 - sub,<< %r24,%r23,%r0 - ldo 1(%r24),%r24 - stws %r24,0(%r26) - bv 0(%r2) - addc %r0,%r25,%r28 - - .exit - .procend |