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ff4ff35918
Red Bear OS is a full fork. All sources must be available from git clone with zero network access. Removed gitignore rules that excluded fetched source trees under recipes/*/source/, local/recipes/kde/*/source/, local/recipes/qt/*/source/, and vendor source trees. Build artifacts (target/, build/, source.tar, *.o, *.so) remain excluded. 127291 files added — kernel, relibc, base, bootloader, pkgar, all KDE/Qt frameworks, mesa, wayland, DRM drivers, and every other recipe source.
141 lines
3.0 KiB
NASM
141 lines
3.0 KiB
NASM
dnl S/390-64 mpn_sec_tabselect
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dnl Copyright 2021 Free Software Foundation, Inc.
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dnl This file is part of the GNU MP Library.
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dnl
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dnl The GNU MP Library is free software; you can redistribute it and/or modify
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dnl it under the terms of either:
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dnl
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dnl * the GNU Lesser General Public License as published by the Free
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dnl Software Foundation; either version 3 of the License, or (at your
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dnl option) any later version.
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dnl
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dnl or
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dnl
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dnl * the GNU General Public License as published by the Free Software
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dnl Foundation; either version 2 of the License, or (at your option) any
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dnl later version.
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dnl
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dnl or both in parallel, as here.
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dnl
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dnl The GNU MP Library is distributed in the hope that it will be useful, but
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dnl WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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dnl or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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dnl for more details.
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dnl
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dnl You should have received copies of the GNU General Public License and the
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dnl GNU Lesser General Public License along with the GNU MP Library. If not,
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dnl see https://www.gnu.org/licenses/.
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include(`../config.m4')
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C cycles/limb
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C z900 ?
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C z990 ?
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C z9 ?
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C z10 ?
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C z196 ?
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C z13 ?
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C z14 ?
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C z15 ?
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dnl void
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dnl mpn_sec_tabselect (volatile mp_limb_t *rp, volatile const mp_limb_t *tab,
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dnl mp_size_t n, mp_size_t nents, mp_size_t which)
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define(`rp', `%r2')
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define(`tp', `%r3')
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define(`n', `%r4')
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define(`nents', `%r5')
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define(`which_arg',`%r6') C magicked to stack
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dnl r0 r1 r2 r3 r4 r5 r6 r7
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dnl r8 r9 r10 r11 r12 r13 r14 r15
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define(`mask', `%r14')
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define(`k', `%r1')
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define(`which', `%r0')
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define(`FRAME', 32)
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ASM_START()
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PROLOGUE(mpn_sec_tabselect)
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stm %r5, %r15, 20(%r15)
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ahi %r15, -FRAME
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sll n, 2
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msr %r5, n
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st %r5, 16(%r15) C nents * n * LIMB_BYTES
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lr %r5, n
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srl %r5, 2+2
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nr %r5, %r5
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je L(end4)
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L(outer):
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l which, eval(24+FRAME)(%r15)
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l k, eval(20+FRAME)(%r15) C nents
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lhi %r6, 0
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lhi %r7, 0
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lhi %r8, 0
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lhi %r9, 0
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L(tp4): lhi mask, 1
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slr which, mask
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slbr mask, mask
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lm %r10, %r13, 0(tp)
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nr %r10, mask
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nr %r11, mask
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nr %r12, mask
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nr %r13, mask
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ar %r6, %r10
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ar %r7, %r11
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ar %r8, %r12
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ar %r9, %r13
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ar tp, n
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brct k, L(tp4)
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stm %r6, %r9, 0(rp)
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ahi rp, 16
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sl tp, 16(%r15)
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ahi tp, eval(4*4)
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brct %r5, L(outer)
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L(end4):
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tmll n, 8
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je L(end2)
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l which, eval(24+FRAME)(%r15)
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l k, eval(20+FRAME)(%r15) C nents
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lhi %r6, 0
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lhi %r7, 0
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L(tp2): lhi mask, 1
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slr which, mask
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slbr mask, mask
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lm %r10, %r11, 0(tp)
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nr %r10, mask
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nr %r11, mask
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ar %r6, %r10
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ar %r7, %r11
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ar tp, n
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brct k, L(tp2)
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stm %r6, %r7, 0(rp)
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ahi rp, 8
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sl tp, 16(%r15)
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ahi tp, eval(2*4)
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L(end2):
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tmll n, 4
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je L(end1)
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l which, eval(24+FRAME)(%r15)
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l k, eval(20+FRAME)(%r15) C nents
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lhi %r6, 0
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L(tp1): lhi mask, 1
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slr which, mask
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slbr mask, mask
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l %r10, 0(tp)
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nr %r10, mask
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ar %r6, %r10
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ar tp, n
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brct k, L(tp1)
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st %r6, 0(rp)
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L(end1):
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lm %r5, %r15, eval(20+FRAME)(%r15)
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br %r14
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EPILOGUE()
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