From 11da511c784eca003deb90c23570f0873954e0de Mon Sep 17 00:00:00 2001 From: Duncan Wilkie Date: Sat, 18 Nov 2023 06:11:09 -0600 Subject: Initial commit. --- gmp-6.3.0/mpn/pa64/lshift.asm | 114 ++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 114 insertions(+) create mode 100644 gmp-6.3.0/mpn/pa64/lshift.asm (limited to 'gmp-6.3.0/mpn/pa64/lshift.asm') diff --git a/gmp-6.3.0/mpn/pa64/lshift.asm b/gmp-6.3.0/mpn/pa64/lshift.asm new file mode 100644 index 0000000..c0fc292 --- /dev/null +++ b/gmp-6.3.0/mpn/pa64/lshift.asm @@ -0,0 +1,114 @@ +dnl HP-PA 2.0 mpn_lshift -- Left shift. + +dnl Copyright 1997, 2000, 2002, 2003 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/. + + +dnl This runs at 1.5 cycles/limb on PA8000 and 1.0 cycles/limb on PA8500. + +include(`../config.m4') + +dnl INPUT PARAMETERS +define(`rp',`%r26') +define(`up',`%r25') +define(`n',`%r24') +define(`cnt',`%r23') + +ifdef(`HAVE_ABI_2_0w', +` .level 2.0w +',` .level 2.0 +') +PROLOGUE(mpn_lshift) + shladd n, 3, up, up + shladd n, 3, rp, rp + subi 64, cnt, cnt + mtsar cnt + ldd -8(up), %r21 + addib,= -1, n, L(end) + shrpd %r0, %r21, %sar, %r29 C compute carry out limb + depw,z n, 31, 3, %r28 C r28 = (size & 7) + sub %r0, n, %r22 + depw,z %r22, 28, 3, %r22 C r22 = 8 * (-size & 7) + add up, %r22, up C offset up + blr %r28, %r0 C branch into jump table + add rp, %r22, rp C offset rp + b L(0) + nop + b L(1) + copy %r21, %r20 + b L(2) + nop + b L(3) + copy %r21, %r20 + b L(4) + nop + b L(5) + copy %r21, %r20 + b L(6) + nop + b L(7) + copy %r21, %r20 + +LDEF(loop) +LDEF(0) ldd -16(up), %r20 + shrpd %r21, %r20, %sar, %r21 + std %r21, -8(rp) +LDEF(7) ldd -24(up), %r21 + shrpd %r20, %r21, %sar, %r20 + std %r20, -16(rp) +LDEF(6) ldd -32(up), %r20 + shrpd %r21, %r20, %sar, %r21 + std %r21, -24(rp) +LDEF(5) ldd -40(up), %r21 + shrpd %r20, %r21, %sar, %r20 + std %r20, -32(rp) +LDEF(4) ldd -48(up), %r20 + shrpd %r21, %r20, %sar, %r21 + std %r21, -40(rp) +LDEF(3) ldd -56(up), %r21 + shrpd %r20, %r21, %sar, %r20 + std %r20, -48(rp) +LDEF(2) ldd -64(up), %r20 + shrpd %r21, %r20, %sar, %r21 + std %r21, -56(rp) +LDEF(1) ldd -72(up), %r21 + ldo -64(up), up + shrpd %r20, %r21, %sar, %r20 + std %r20, -64(rp) + addib,> -8, n, L(loop) + ldo -64(rp), rp + +LDEF(end) + shrpd %r21, %r0, %sar, %r21 + std %r21, -8(rp) + bve (%r2) +ifdef(`HAVE_ABI_2_0w', +` copy %r29,%r28 +',` extrd,u %r29, 31, 32, %r28 +') +EPILOGUE(mpn_lshift) -- cgit v1.2.3