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| author | Duncan Wilkie <antigravityd@gmail.com> | 2023-11-18 06:11:09 -0600 |
|---|---|---|
| committer | Duncan Wilkie <antigravityd@gmail.com> | 2023-11-18 06:11:09 -0600 |
| commit | 11da511c784eca003deb90c23570f0873954e0de (patch) | |
| tree | e14fdd3d5d6345956d67e79ae771d0633d28362b /gmp-6.3.0/mpn/s390_32/addmul_1.asm | |
Initial commit.
Diffstat (limited to 'gmp-6.3.0/mpn/s390_32/addmul_1.asm')
| -rw-r--r-- | gmp-6.3.0/mpn/s390_32/addmul_1.asm | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/gmp-6.3.0/mpn/s390_32/addmul_1.asm b/gmp-6.3.0/mpn/s390_32/addmul_1.asm new file mode 100644 index 0000000..97189a8 --- /dev/null +++ b/gmp-6.3.0/mpn/s390_32/addmul_1.asm @@ -0,0 +1,93 @@ +dnl S/390 mpn_addmul_1 -- Multiply a limb vector with a limb and add the +dnl result to a second limb vector. + +dnl Copyright 2001 Free Software Foundation, Inc. + +dnl This file is part of the GNU MP Library. +dnl +dnl The GNU MP Library is free software; you can redistribute it and/or modify +dnl it under the terms of either: +dnl +dnl * the GNU Lesser General Public License as published by the Free +dnl Software Foundation; either version 3 of the License, or (at your +dnl option) any later version. +dnl +dnl or +dnl +dnl * the GNU General Public License as published by the Free Software +dnl Foundation; either version 2 of the License, or (at your option) any +dnl later version. +dnl +dnl or both in parallel, as here. +dnl +dnl The GNU MP Library is distributed in the hope that it will be useful, but +dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY +dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License +dnl for more details. +dnl +dnl You should have received copies of the GNU General Public License and the +dnl GNU Lesser General Public License along with the GNU MP Library. If not, +dnl see https://www.gnu.org/licenses/. + +include(`../config.m4') + +define(`rp',2) +define(`up',3) +define(`n',4) +define(`vlimb',5) +define(`cylimb',7) + +ASM_START() +PROLOGUE(mpn_addmul_1) + stm 6,7,24(15) + slr cylimb,cylimb # clear cylimb + ltr vlimb,vlimb + jnl .Loopp + +.Loopn: l 1,0(up) # load from u + lr 6,1 # + mr 0,vlimb # multiply signed + alr 0,6 # add vlimb to phi + sra 6,31 # make mask + nr 6,vlimb # 0 or vlimb + alr 0,6 # conditionally add vlimb to phi + alr 1,cylimb # add carry limb to plo + brc 8+4,+8 # branch if not carry + ahi 0,1 # increment phi + l 6,0(rp) # load r limb + alr 6,1 # add u limb to plo + brc 8+4,+8 # branch if not carry + ahi 0,1 # increment phi + lr cylimb,0 # new cylimb + st 6,0(rp) # store + la up,4(,up) + la rp,4(,rp) + brct n,.Loopn + + lr 2,cylimb + lm 6,7,24(15) + br 14 + +.Loopp: l 1,0(up) # load from u + lr 6,1 # + mr 0,vlimb # multiply signed + sra 6,31 # make mask + nr 6,vlimb # 0 or vlimb + alr 0,6 # conditionally add vlimb to phi + alr 1,cylimb # add carry limb to plo + brc 8+4,+8 # branch if not carry + ahi 0,1 # increment phi + l 6,0(rp) # load r limb + alr 6,1 # add u limb to plo + brc 8+4,+8 # branch if not carry + ahi 0,1 # increment phi + lr cylimb,0 # new cylimb + st 6,0(rp) # store + la up,4(,up) + la rp,4(,rp) + brct n,.Loopp + + lr 2,cylimb + lm 6,7,24(15) + br 14 +EPILOGUE(mpn_addmul_1) |