diff options
| 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/sparc32/v8/submul_1.asm | |
Initial commit.
Diffstat (limited to 'gmp-6.3.0/mpn/sparc32/v8/submul_1.asm')
| -rw-r--r-- | gmp-6.3.0/mpn/sparc32/v8/submul_1.asm | 67 |
1 files changed, 67 insertions, 0 deletions
diff --git a/gmp-6.3.0/mpn/sparc32/v8/submul_1.asm b/gmp-6.3.0/mpn/sparc32/v8/submul_1.asm new file mode 100644 index 0000000..187314e --- /dev/null +++ b/gmp-6.3.0/mpn/sparc32/v8/submul_1.asm @@ -0,0 +1,67 @@ +dnl SPARC v8 mpn_submul_1 -- Multiply a limb vector with a limb and +dnl subtract the result from a second limb vector. + +dnl Copyright 1992-1994, 2000 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') + +C INPUT PARAMETERS +C res_ptr o0 +C s1_ptr o1 +C size o2 +C s2_limb o3 + +ASM_START() +PROLOGUE(mpn_submul_1) + sub %g0,%o2,%o2 C negate ... + sll %o2,2,%o2 C ... and scale size + sub %o1,%o2,%o1 C o1 is offset s1_ptr + sub %o0,%o2,%g1 C g1 is offset res_ptr + + mov 0,%o0 C clear cy_limb + +L(loop): + ld [%o1+%o2],%o4 + ld [%g1+%o2],%g2 + umul %o4,%o3,%o5 + rd %y,%g3 + addcc %o5,%o0,%o5 + addx %g3,0,%o0 + subcc %g2,%o5,%g2 + addx %o0,0,%o0 + st %g2,[%g1+%o2] + + addcc %o2,4,%o2 + bne L(loop) + nop + + retl + nop +EPILOGUE(mpn_submul_1) |