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/sparc64/lshiftc.asm | 147 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 147 insertions(+) create mode 100644 gmp-6.3.0/mpn/sparc64/lshiftc.asm (limited to 'gmp-6.3.0/mpn/sparc64/lshiftc.asm') diff --git a/gmp-6.3.0/mpn/sparc64/lshiftc.asm b/gmp-6.3.0/mpn/sparc64/lshiftc.asm new file mode 100644 index 0000000..4a0f0a3 --- /dev/null +++ b/gmp-6.3.0/mpn/sparc64/lshiftc.asm @@ -0,0 +1,147 @@ +dnl SPARC v9 mpn_lshiftc + +dnl Contributed to the GNU project by David Miller. + +dnl Copyright 2013 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 cycles/limb +C UltraSPARC 1&2: 3 +C UltraSPARC 3: 3 +C UltraSPARC T1: 17 +C UltraSPARC T3: 10 +C UltraSPARC T4: 3.5 + +C INPUT PARAMETERS +define(`rp', `%i0') +define(`up', `%i1') +define(`n', `%i2') +define(`cnt', `%i3') + +define(`tcnt', `%i4') +define(`retval', `%i5') +define(`u0', `%l0') +define(`u1', `%l1') +define(`r0', `%l6') +define(`r1', `%l7') +define(`u0_off', `%o0') +define(`u1_off', `%o1') +define(`r0_off', `%o2') +define(`r1_off', `%o3') + +ASM_START() + REGISTER(%g2,#scratch) + REGISTER(%g3,#scratch) +PROLOGUE(mpn_lshiftc) + save %sp, -176, %sp + + sllx n, 3, n + sub %g0, cnt, tcnt + + sub up, 8, u1_off + add rp, (5 * 8), r1_off + + ldx [n + u1_off], u1 C WAS: up - 8 + add u1_off, (3 * 8), u1_off + + sub r1_off, 8, r0_off + sub u1_off, 8, u0_off + + subcc n, (3 * 8), n + srlx u1, tcnt, retval + + bl,pn %xcc, L(end12) + sllx u1, cnt, %l3 + + ldx [n + u0_off], u0 C WAS: up - 16 + subcc n, (2 * 8), n + + ldx [n + u1_off], u1 C WAS: up - 24 + + bl,pn %xcc, L(end34) + srlx u0, tcnt, %l4 + + b,a L(top) + ALIGN(16) +L(top): + not %l3, %l3 + sllx u0, cnt, %l2 + + andn %l3, %l4, r0 + ldx [n + u0_off], u0 C WAS: up - 16 + + srlx u1, tcnt, %l5 + stx r0, [n + r0_off] C WAS: rp - 8 + + subcc n, (2 * 8), n + not %l2, %l2 + + sllx u1, cnt, %l3 + andn %l2, %l5, r1 + + ldx [n + u1_off], u1 C WAS: up - 24 + srlx u0, tcnt, %l4 + + bge,pt %xcc, L(top) + stx r1, [n + r1_off] C WAS: rp - 16 + +L(end34): + not %l3, %l3 + sllx u0, cnt, %l2 + + andn %l3, %l4, r0 + srlx u1, tcnt, %l5 + + stx r0, [n + r0_off] C WAS: rp - 8 + not %l2, %l2 + + andn %l2, %l5, r1 + sub n, (2 * 8), %o5 + + sllx u1, cnt, %l3 + stx r1, [%o5 + r1_off] C WAS: rp - 16 + +L(end12): + andcc n, 8, %g0 + bz %xcc, L(done)+4 + not %l3, %l3 + + ldx [n + u0_off], u1 + srlx u1, tcnt, %l4 + andn %l3, %l4, r0 + stx r0, [r0_off - 24] + sllx u1, cnt, %l3 +L(done): + not %l3, %l3 + stx %l3, [r0_off - 32] + + ret + restore retval, 0, %o0 +EPILOGUE() -- cgit v1.2.3