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/pa32/rshift.asm | |
parent | 1db63fcedab0b288820d66e100b1877b1a5a8851 (diff) |
Basic constant folding implementation
Diffstat (limited to 'vendor/gmp-6.3.0/mpn/pa32/rshift.asm')
-rw-r--r-- | vendor/gmp-6.3.0/mpn/pa32/rshift.asm | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/vendor/gmp-6.3.0/mpn/pa32/rshift.asm b/vendor/gmp-6.3.0/mpn/pa32/rshift.asm new file mode 100644 index 0000000..c5eac83 --- /dev/null +++ b/vendor/gmp-6.3.0/mpn/pa32/rshift.asm @@ -0,0 +1,72 @@ +dnl HP-PA mpn_rshift -- Shift a number right. + +dnl Copyright 1992, 1994, 2000-2002 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 gr26 +C s_ptr gr25 +C size gr24 +C cnt gr23 + +ASM_START() +PROLOGUE(mpn_rshift) + ldws,ma 4(0,%r25),%r22 + mtsar %r23 + addib,= -1,%r24,L(0004) + vshd %r22,%r0,%r28 C compute carry out limb + ldws,ma 4(0,%r25),%r29 + addib,= -1,%r24,L(0002) + vshd %r29,%r22,%r20 + +LDEF(loop) + ldws,ma 4(0,%r25),%r22 + stws,ma %r20,4(0,%r26) + addib,= -1,%r24,L(0003) + vshd %r22,%r29,%r20 + ldws,ma 4(0,%r25),%r29 + stws,ma %r20,4(0,%r26) + addib,<> -1,%r24,L(loop) + vshd %r29,%r22,%r20 + +LDEF(0002) + stws,ma %r20,4(0,%r26) + vshd %r0,%r29,%r20 + bv 0(%r2) + stw %r20,0(0,%r26) + +LDEF(0003) + stws,ma %r20,4(0,%r26) + +LDEF(0004) + vshd %r0,%r22,%r20 + bv 0(%r2) + stw %r20,0(0,%r26) +EPILOGUE() |