diff options
author | Thomas Voss <mail@thomasvoss.com> | 2024-06-21 23:36:36 +0200 |
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committer | Thomas Voss <mail@thomasvoss.com> | 2024-06-21 23:42:26 +0200 |
commit | a89a14ef5da44684a16b204e7a70460cc8c4922a (patch) | |
tree | b23b4c6b155977909ef508fdae2f48d33d802813 /vendor/gmp-6.3.0/mpn/sh/sh2/addmul_1.asm | |
parent | 1db63fcedab0b288820d66e100b1877b1a5a8851 (diff) |
Basic constant folding implementation
Diffstat (limited to 'vendor/gmp-6.3.0/mpn/sh/sh2/addmul_1.asm')
-rw-r--r-- | vendor/gmp-6.3.0/mpn/sh/sh2/addmul_1.asm | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/vendor/gmp-6.3.0/mpn/sh/sh2/addmul_1.asm b/vendor/gmp-6.3.0/mpn/sh/sh2/addmul_1.asm new file mode 100644 index 0000000..c914b29 --- /dev/null +++ b/vendor/gmp-6.3.0/mpn/sh/sh2/addmul_1.asm @@ -0,0 +1,65 @@ +dnl SH2 mpn_addmul_1 -- Multiply a limb vector with a limb and add the result +dnl to a second limb vector. + +dnl Copyright 1995, 2000, 2011 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 r4 +C s1_ptr r5 +C size r6 +C s2_limb r7 + +changecom(blah) C disable # to make all C comments below work + +ASM_START() +PROLOGUE(mpn_addmul_1) + mov #0,r2 C cy_limb = 0 + mov #0,r0 C Keep r0 = 0 for entire loop + clrt + +L(top): mov.l @r5+,r3 + dmulu.l r3,r7 + sts macl,r1 + addc r2,r1 C lo_prod += old cy_limb + sts mach,r2 C new cy_limb = hi_prod + mov.l @r4,r3 + addc r0,r2 C cy_limb += T, T = 0 + addc r3,r1 + addc r0,r2 C cy_limb += T, T = 0 + dt r6 + mov.l r1,@r4 + bf.s L(top) + add #4,r4 + + rts + mov r2,r0 +EPILOGUE() |