# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
You should have received a copy of the GNU Library General Public License
along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
#define BITS_PER_MP_LIMB 64
#define BYTES_PER_MP_LIMB 8
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
.set noreorder
; You should have received a copy of the GNU Library General Public License
; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-; the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+; MA 02111-1307, USA.
; INPUT PARAMETERS
; You should have received a copy of the GNU Library General Public License
; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-; the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+; MA 02111-1307, USA.
; INPUT PARAMETERS
; You should have received a copy of the GNU Library General Public License
; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-; the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+; MA 02111-1307, USA.
; INPUT PARAMETERS
; You should have received a copy of the GNU Library General Public License
; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-; the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+; MA 02111-1307, USA.
; INPUT PARAMETERS
; You should have received a copy of the GNU Library General Public License
; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-; the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+; MA 02111-1307, USA.
; INPUT PARAMETERS
; You should have received a copy of the GNU Library General Public License
; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-; the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+; MA 02111-1307, USA.
; INPUT PARAMETERS
; You should have received a copy of the GNU Library General Public License
; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-; the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+; MA 02111-1307, USA.
; INPUT PARAMETERS
; You should have received a copy of the GNU Library General Public License
; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-; the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+; MA 02111-1307, USA.
; INPUT PARAMETERS
; You should have received a copy of the GNU Library General Public License
; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-; the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+; MA 02111-1307, USA.
; INPUT PARAMETERS
You should have received a copy of the GNU Library General Public License
along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
/*
INPUT PARAMETERS
You should have received a copy of the GNU Library General Public License
along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
/*
INPUT PARAMETERS
You should have received a copy of the GNU Library General Public License
along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
/*
INPUT PARAMETERS
You should have received a copy of the GNU Library General Public License
along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
/*
INPUT PARAMETERS
You should have received a copy of the GNU Library General Public License
along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
/*
INPUT PARAMETERS
You should have received a copy of the GNU Library General Public License
along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
/*
INPUT PARAMETERS
You should have received a copy of the GNU Library General Public License
along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
/*
INPUT PARAMETERS
; You should have received a copy of the GNU Library General Public License
; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-; the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+; MA 02111-1307, USA.
; INPUT PARAMETERS
; You should have received a copy of the GNU Library General Public License
; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-; the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+; MA 02111-1307, USA.
; INPUT PARAMETERS
; You should have received a copy of the GNU Library General Public License
; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-; the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+; MA 02111-1307, USA.
; INPUT PARAMETERS
; You should have received a copy of the GNU Library General Public License
; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-; the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+; MA 02111-1307, USA.
; INPUT PARAMETERS
; You should have received a copy of the GNU Library General Public License
; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-; the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+; MA 02111-1307, USA.
; INPUT PARAMETERS
; You should have received a copy of the GNU Library General Public License
; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-; the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+; MA 02111-1307, USA.
; INPUT PARAMETERS
; You should have received a copy of the GNU Library General Public License
; along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-; the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+; the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+; MA 02111-1307, USA.
; INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
You should have received a copy of the GNU Library General Public License
along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
#define BITS_PER_MP_LIMB 64
#define BYTES_PER_MP_LIMB 8
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
- # the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ # the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ # MA 02111-1307, USA.
# INPUT PARAMETERS
# IBM POWER __mpn_add_n -- Add two limb vectors of equal, non-zero length.
-# Copyright (C) 1992, 1994, 1995 Free Software Foundation, Inc.
+# Copyright (C) 1992, 1994, 1995, 1996 Free Software Foundation, Inc.
# This file is part of the GNU MP Library.
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-# the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+# the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+# MA 02111-1307, USA.
# INPUT PARAMETERS
.long .__mpn_add_n, TOC[tc0], 0
.csect [PR]
.__mpn_add_n:
- mtctr 6 # copy size into CTR
+ andil. 10,6,1 # odd or even number of limbs?
l 8,0(4) # load least significant s1 limb
l 0,0(5) # load least significant s2 limb
- cal 3,-4(3) # offset res_ptr, it's updated before used
+ cal 3,-4(3) # offset res_ptr, it's updated before it's used
+ sri 10,6,1 # count for unrolled loop
a 7,0,8 # add least significant limbs, set cy
+ mtctr 10 # copy count into CTR
+ beq 0,Leven # branch if even # of limbs (# of limbs >= 2)
+
+# We have an odd # of limbs. Add the first limbs separately.
+ cmpi 1,10,0 # is count for unrolled loop zero?
+ bne 1,L1 # branch if not
+ st 7,4(3)
+ aze 3,10 # use the fact that r10 is zero...
+ br # return
+
+# We added least significant limbs. Now reload the next limbs to enter loop.
+L1: lu 8,4(4) # load s1 limb and update s1_ptr
+ lu 0,4(5) # load s2 limb and update s2_ptr
+ stu 7,4(3)
+ ae 7,0,8 # add limbs, set cy
+Leven: lu 9,4(4) # load s1 limb and update s1_ptr
+ lu 10,4(5) # load s2 limb and update s2_ptr
bdz Lend # If done, skip loop
+
Loop: lu 8,4(4) # load s1 limb and update s1_ptr
lu 0,4(5) # load s2 limb and update s2_ptr
- stu 7,4(3) # store previous limb in load latency slot
- ae 7,0,8 # add new limbs with cy, set cy
+ ae 11,9,10 # add previous limbs with cy, set cy
+ stu 7,4(3) #
+ lu 9,4(4) # load s1 limb and update s1_ptr
+ lu 10,4(5) # load s2 limb and update s2_ptr
+ ae 7,0,8 # add previous limbs with cy, set cy
+ stu 11,4(3) #
bdn Loop # decrement CTR and loop back
-Lend: st 7,4(3) # store ultimate result limb
+
+Lend: ae 11,9,10 # add limbs with cy, set cy
+ st 7,4(3) #
+ st 11,8(3) #
lil 3,0 # load cy into ...
aze 3,3 # ... return value register
br
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-# the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+# the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+# MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-# the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+# the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+# MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-# the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+# the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+# MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-# the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+# the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+# MA 02111-1307, USA.
# INPUT PARAMETERS
-# IBM POWER __mpn_sub_n -- Subtract two limb vectors of the same length > 0 and
-# store difference in a third limb vector.
+# IBM POWER __mpn_sub_n -- Subtract two limb vectors of equal, non-zero length.
-# Copyright (C) 1992, 1994, 1995 Free Software Foundation, Inc.
+# Copyright (C) 1992, 1994, 1995, 1996 Free Software Foundation, Inc.
# This file is part of the GNU MP Library.
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-# the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+# the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+# MA 02111-1307, USA.
# INPUT PARAMETERS
.long .__mpn_sub_n, TOC[tc0], 0
.csect [PR]
.__mpn_sub_n:
- mtctr 6 # copy size into CTR
+ andil. 10,6,1 # odd or even number of limbs?
l 8,0(4) # load least significant s1 limb
l 0,0(5) # load least significant s2 limb
- cal 3,-4(3) # offset res_ptr, it's updated before used
- sf 7,0,8 # add least significant limbs, set cy
+ cal 3,-4(3) # offset res_ptr, it's updated before it's used
+ sri 10,6,1 # count for unrolled loop
+ sf 7,0,8 # subtract least significant limbs, set cy
+ mtctr 10 # copy count into CTR
+ beq 0,Leven # branch if even # of limbs (# of limbs >= 2)
+
+# We have an odd # of limbs. Add the first limbs separately.
+ cmpi 1,10,0 # is count for unrolled loop zero?
+ bne 1,L1 # branch if not
+ st 7,4(3)
+ sfe 3,0,0 # load !cy into ...
+ sfi 3,3,0 # ... return value register
+ br # return
+
+# We added least significant limbs. Now reload the next limbs to enter loop.
+L1: lu 8,4(4) # load s1 limb and update s1_ptr
+ lu 0,4(5) # load s2 limb and update s2_ptr
+ stu 7,4(3)
+ sfe 7,0,8 # subtract limbs, set cy
+Leven: lu 9,4(4) # load s1 limb and update s1_ptr
+ lu 10,4(5) # load s2 limb and update s2_ptr
bdz Lend # If done, skip loop
+
Loop: lu 8,4(4) # load s1 limb and update s1_ptr
lu 0,4(5) # load s2 limb and update s2_ptr
- stu 7,4(3) # store previous limb in load latency slot
- sfe 7,0,8 # add new limbs with cy, set cy
+ sfe 11,10,9 # subtract previous limbs with cy, set cy
+ stu 7,4(3) #
+ lu 9,4(4) # load s1 limb and update s1_ptr
+ lu 10,4(5) # load s2 limb and update s2_ptr
+ sfe 7,0,8 # subtract previous limbs with cy, set cy
+ stu 11,4(3) #
bdn Loop # decrement CTR and loop back
-Lend: st 7,4(3) # store ultimate result limb
+
+Lend: sfe 11,10,9 # subtract limbs with cy, set cy
+ st 7,4(3) #
+ st 11,8(3) #
sfe 3,0,0 # load !cy into ...
sfi 3,3,0 # ... return value register
br
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-# the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+# the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+# MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-# the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+# the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+# MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-# the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+# the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+# MA 02111-1307, USA.
# INPUT PARAMETERS
You should have received a copy of the GNU Library General Public License
along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
#define BITS_PER_MP_LIMB 32
#define BYTES_PER_MP_LIMB 4
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-# the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+# the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+# MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-# the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+# the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+# MA 02111-1307, USA.
# INPUT PARAMETERS
# You should have received a copy of the GNU Library General Public License
# along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-# the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+# the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+# MA 02111-1307, USA.
# INPUT PARAMETERS
! You should have received a copy of the GNU Library General Public License
! along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-! the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+! the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+! MA 02111-1307, USA.
! INPUT PARAMETERS
You should have received a copy of the GNU Library General Public License
along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+MA 02111-1307, USA. */
#define BITS_PER_MP_LIMB 16
#define BYTES_PER_MP_LIMB 2
! You should have received a copy of the GNU Library General Public License
! along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-! the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+! the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+! MA 02111-1307, USA.
! INPUT PARAMETERS
! You should have received a copy of the GNU Library General Public License
! along with the GNU MP Library; see the file COPYING.LIB. If not, write to
-! the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+! the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+! MA 02111-1307, USA.
! INPUT PARAMETERS