2018-05-20 05:04:15 +00:00
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/*
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* ARM SVE Operations
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*
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* Copyright (c) 2018 Linaro, Ltd.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu/osdep.h"
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#include "cpu.h"
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#include "exec/exec-all.h"
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#include "exec/cpu_ldst.h"
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#include "exec/helper-proto.h"
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#include "tcg/tcg-gvec-desc.h"
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2018-05-20 06:25:06 +00:00
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/* Note that vector data is stored in host-endian 64-bit chunks,
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so addressing units smaller than that needs a host-endian fixup. */
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#ifdef HOST_WORDS_BIGENDIAN
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#define H1(x) ((x) ^ 7)
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#define H1_2(x) ((x) ^ 6)
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#define H1_4(x) ((x) ^ 4)
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#define H2(x) ((x) ^ 3)
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#define H4(x) ((x) ^ 1)
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#else
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#define H1(x) (x)
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#define H1_2(x) (x)
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#define H1_4(x) (x)
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#define H2(x) (x)
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#define H4(x) (x)
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#endif
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2018-05-20 05:04:15 +00:00
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/* Return a value for NZCV as per the ARM PredTest pseudofunction.
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*
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* The return value has bit 31 set if N is set, bit 1 set if Z is clear,
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* and bit 0 set if C is set. Compare the definitions of these variables
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* within CPUARMState.
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*/
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/* For no G bits set, NZCV = C. */
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#define PREDTEST_INIT 1
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/* This is an iterative function, called for each Pd and Pg word
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* moving forward.
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*/
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static uint32_t iter_predtest_fwd(uint64_t d, uint64_t g, uint32_t flags)
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{
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if (likely(g)) {
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/* Compute N from first D & G.
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Use bit 2 to signal first G bit seen. */
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if (!(flags & 4)) {
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flags |= ((d & (g & -g)) != 0) << 31;
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flags |= 4;
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}
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/* Accumulate Z from each D & G. */
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flags |= ((d & g) != 0) << 1;
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/* Compute C from last !(D & G). Replace previous. */
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flags = deposit32(flags, 0, 1, (d & pow2floor(g)) == 0);
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}
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return flags;
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}
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/* The same for a single word predicate. */
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uint32_t HELPER(sve_predtest1)(uint64_t d, uint64_t g)
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{
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return iter_predtest_fwd(d, g, PREDTEST_INIT);
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}
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/* The same for a multi-word predicate. */
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uint32_t HELPER(sve_predtest)(void *vd, void *vg, uint32_t words)
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{
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uint32_t flags = PREDTEST_INIT;
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uint64_t *d = vd, *g = vg;
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uintptr_t i = 0;
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do {
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flags = iter_predtest_fwd(d[i], g[i], flags);
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} while (++i < words);
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return flags;
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}
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2018-05-20 05:20:15 +00:00
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2018-05-20 06:57:27 +00:00
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/* Expand active predicate bits to bytes, for byte elements.
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* for (i = 0; i < 256; ++i) {
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* unsigned long m = 0;
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* for (j = 0; j < 8; j++) {
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* if ((i >> j) & 1) {
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* m |= 0xfful << (j << 3);
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* }
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* }
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* printf("0x%016lx,\n", m);
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* }
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*/
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static inline uint64_t expand_pred_b(uint8_t byte)
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{
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static const uint64_t word[256] = {
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0x0000000000000000, 0x00000000000000ff, 0x000000000000ff00,
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0x000000000000ffff, 0x0000000000ff0000, 0x0000000000ff00ff,
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0x0000000000ffff00, 0x0000000000ffffff, 0x00000000ff000000,
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0x00000000ff0000ff, 0x00000000ff00ff00, 0x00000000ff00ffff,
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0x00000000ffff0000, 0x00000000ffff00ff, 0x00000000ffffff00,
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0x00000000ffffffff, 0x000000ff00000000, 0x000000ff000000ff,
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0x000000ff0000ff00, 0x000000ff0000ffff, 0x000000ff00ff0000,
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0x000000ff00ff00ff, 0x000000ff00ffff00, 0x000000ff00ffffff,
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0x000000ffff000000, 0x000000ffff0000ff, 0x000000ffff00ff00,
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0x000000ffff00ffff, 0x000000ffffff0000, 0x000000ffffff00ff,
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0x000000ffffffff00, 0x000000ffffffffff, 0x0000ff0000000000,
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0x0000ff00000000ff, 0x0000ff000000ff00, 0x0000ff000000ffff,
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0x0000ff0000ff0000, 0x0000ff0000ff00ff, 0x0000ff0000ffff00,
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0x0000ff0000ffffff, 0x0000ff00ff000000, 0x0000ff00ff0000ff,
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0x0000ff00ff00ff00, 0x0000ff00ff00ffff, 0x0000ff00ffff0000,
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0x0000ff00ffff00ff, 0x0000ff00ffffff00, 0x0000ff00ffffffff,
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0x0000ffff00000000, 0x0000ffff000000ff, 0x0000ffff0000ff00,
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0x0000ffff0000ffff, 0x0000ffff00ff0000, 0x0000ffff00ff00ff,
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0x0000ffff00ffff00, 0x0000ffff00ffffff, 0x0000ffffff000000,
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0x0000ffffff0000ff, 0x0000ffffff00ff00, 0x0000ffffff00ffff,
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0x0000ffffffff0000, 0x0000ffffffff00ff, 0x0000ffffffffff00,
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0x0000ffffffffffff, 0x00ff000000000000, 0x00ff0000000000ff,
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0x00ff00000000ff00, 0x00ff00000000ffff, 0x00ff000000ff0000,
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0x00ff000000ff00ff, 0x00ff000000ffff00, 0x00ff000000ffffff,
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0x00ff0000ff000000, 0x00ff0000ff0000ff, 0x00ff0000ff00ff00,
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0x00ff0000ff00ffff, 0x00ff0000ffff0000, 0x00ff0000ffff00ff,
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0x00ff0000ffffff00, 0x00ff0000ffffffff, 0x00ff00ff00000000,
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0x00ff00ff000000ff, 0x00ff00ff0000ff00, 0x00ff00ff0000ffff,
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0x00ff00ff00ff0000, 0x00ff00ff00ff00ff, 0x00ff00ff00ffff00,
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0x00ff00ff00ffffff, 0x00ff00ffff000000, 0x00ff00ffff0000ff,
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0x00ff00ffff00ff00, 0x00ff00ffff00ffff, 0x00ff00ffffff0000,
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0x00ff00ffffff00ff, 0x00ff00ffffffff00, 0x00ff00ffffffffff,
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0x00ffff0000000000, 0x00ffff00000000ff, 0x00ffff000000ff00,
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0x00ffff000000ffff, 0x00ffff0000ff0000, 0x00ffff0000ff00ff,
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0x00ffff0000ffff00, 0x00ffff0000ffffff, 0x00ffff00ff000000,
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0x00ffff00ff0000ff, 0x00ffff00ff00ff00, 0x00ffff00ff00ffff,
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0x00ffff00ffff0000, 0x00ffff00ffff00ff, 0x00ffff00ffffff00,
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0x00ffff00ffffffff, 0x00ffffff00000000, 0x00ffffff000000ff,
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0x00ffffff0000ff00, 0x00ffffff0000ffff, 0x00ffffff00ff0000,
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0x00ffffff00ff00ff, 0x00ffffff00ffff00, 0x00ffffff00ffffff,
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0x00ffffffff000000, 0x00ffffffff0000ff, 0x00ffffffff00ff00,
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0x00ffffffff00ffff, 0x00ffffffffff0000, 0x00ffffffffff00ff,
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0x00ffffffffffff00, 0x00ffffffffffffff, 0xff00000000000000,
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0xff000000000000ff, 0xff0000000000ff00, 0xff0000000000ffff,
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0xff00000000ff0000, 0xff00000000ff00ff, 0xff00000000ffff00,
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0xff00000000ffffff, 0xff000000ff000000, 0xff000000ff0000ff,
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0xff000000ff00ff00, 0xff000000ff00ffff, 0xff000000ffff0000,
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0xff000000ffff00ff, 0xff000000ffffff00, 0xff000000ffffffff,
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0xff0000ff00000000, 0xff0000ff000000ff, 0xff0000ff0000ff00,
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0xff0000ff0000ffff, 0xff0000ff00ff0000, 0xff0000ff00ff00ff,
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0xff0000ff00ffff00, 0xff0000ff00ffffff, 0xff0000ffff000000,
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0xff0000ffff0000ff, 0xff0000ffff00ff00, 0xff0000ffff00ffff,
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0xff0000ffffff0000, 0xff0000ffffff00ff, 0xff0000ffffffff00,
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0xff0000ffffffffff, 0xff00ff0000000000, 0xff00ff00000000ff,
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0xff00ff000000ff00, 0xff00ff000000ffff, 0xff00ff0000ff0000,
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0xff00ff0000ff00ff, 0xff00ff0000ffff00, 0xff00ff0000ffffff,
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0xff00ff00ff000000, 0xff00ff00ff0000ff, 0xff00ff00ff00ff00,
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0xff00ff00ff00ffff, 0xff00ff00ffff0000, 0xff00ff00ffff00ff,
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0xff00ff00ffffff00, 0xff00ff00ffffffff, 0xff00ffff00000000,
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0xff00ffff000000ff, 0xff00ffff0000ff00, 0xff00ffff0000ffff,
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0xff00ffff00ff0000, 0xff00ffff00ff00ff, 0xff00ffff00ffff00,
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0xff00ffff00ffffff, 0xff00ffffff000000, 0xff00ffffff0000ff,
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0xff00ffffff00ff00, 0xff00ffffff00ffff, 0xff00ffffffff0000,
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0xff00ffffffff00ff, 0xff00ffffffffff00, 0xff00ffffffffffff,
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0xffff000000000000, 0xffff0000000000ff, 0xffff00000000ff00,
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0xffff00000000ffff, 0xffff000000ff0000, 0xffff000000ff00ff,
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0xffff000000ffff00, 0xffff000000ffffff, 0xffff0000ff000000,
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0xffff0000ff0000ff, 0xffff0000ff00ff00, 0xffff0000ff00ffff,
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0xffff0000ffff0000, 0xffff0000ffff00ff, 0xffff0000ffffff00,
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0xffff0000ffffffff, 0xffff00ff00000000, 0xffff00ff000000ff,
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0xffff00ff0000ff00, 0xffff00ff0000ffff, 0xffff00ff00ff0000,
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0xffff00ff00ff00ff, 0xffff00ff00ffff00, 0xffff00ff00ffffff,
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0xffff00ffff000000, 0xffff00ffff0000ff, 0xffff00ffff00ff00,
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0xffff00ffff00ffff, 0xffff00ffffff0000, 0xffff00ffffff00ff,
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0xffff00ffffffff00, 0xffff00ffffffffff, 0xffffff0000000000,
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0xffffff00000000ff, 0xffffff000000ff00, 0xffffff000000ffff,
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0xffffff0000ff0000, 0xffffff0000ff00ff, 0xffffff0000ffff00,
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0xffffff0000ffffff, 0xffffff00ff000000, 0xffffff00ff0000ff,
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0xffffff00ff00ff00, 0xffffff00ff00ffff, 0xffffff00ffff0000,
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0xffffff00ffff00ff, 0xffffff00ffffff00, 0xffffff00ffffffff,
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0xffffffff00000000, 0xffffffff000000ff, 0xffffffff0000ff00,
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0xffffffff0000ffff, 0xffffffff00ff0000, 0xffffffff00ff00ff,
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0xffffffff00ffff00, 0xffffffff00ffffff, 0xffffffffff000000,
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0xffffffffff0000ff, 0xffffffffff00ff00, 0xffffffffff00ffff,
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0xffffffffffff0000, 0xffffffffffff00ff, 0xffffffffffffff00,
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0xffffffffffffffff,
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};
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return word[byte];
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}
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/* Similarly for half-word elements.
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* for (i = 0; i < 256; ++i) {
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* unsigned long m = 0;
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* if (i & 0xaa) {
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* continue;
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* }
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* for (j = 0; j < 8; j += 2) {
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* if ((i >> j) & 1) {
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* m |= 0xfffful << (j << 3);
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* }
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* }
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* printf("[0x%x] = 0x%016lx,\n", i, m);
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* }
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*/
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static inline uint64_t expand_pred_h(uint8_t byte)
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{
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static const uint64_t word[] = {
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[0x01] = 0x000000000000ffff, [0x04] = 0x00000000ffff0000,
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[0x05] = 0x00000000ffffffff, [0x10] = 0x0000ffff00000000,
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[0x11] = 0x0000ffff0000ffff, [0x14] = 0x0000ffffffff0000,
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[0x15] = 0x0000ffffffffffff, [0x40] = 0xffff000000000000,
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[0x41] = 0xffff00000000ffff, [0x44] = 0xffff0000ffff0000,
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[0x45] = 0xffff0000ffffffff, [0x50] = 0xffffffff00000000,
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[0x51] = 0xffffffff0000ffff, [0x54] = 0xffffffffffff0000,
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[0x55] = 0xffffffffffffffff,
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};
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return word[byte & 0x55];
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}
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/* Similarly for single word elements. */
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static inline uint64_t expand_pred_s(uint8_t byte)
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{
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static const uint64_t word[] = {
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[0x01] = 0x00000000ffffffffull,
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[0x10] = 0xffffffff00000000ull,
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[0x11] = 0xffffffffffffffffull,
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};
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return word[byte & 0x11];
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}
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2018-05-20 05:20:15 +00:00
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#define LOGICAL_PPPP(NAME, FUNC) \
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void HELPER(NAME)(void *vd, void *vn, void *vm, void *vg, uint32_t desc) \
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{ \
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uintptr_t opr_sz = simd_oprsz(desc); \
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uint64_t *d = vd, *n = vn, *m = vm, *g = vg; \
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uintptr_t i; \
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for (i = 0; i < opr_sz / 8; ++i) { \
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d[i] = FUNC(n[i], m[i], g[i]); \
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} \
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}
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#define DO_AND(N, M, G) (((N) & (M)) & (G))
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#define DO_BIC(N, M, G) (((N) & ~(M)) & (G))
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#define DO_EOR(N, M, G) (((N) ^ (M)) & (G))
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#define DO_ORR(N, M, G) (((N) | (M)) & (G))
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#define DO_ORN(N, M, G) (((N) | ~(M)) & (G))
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#define DO_NOR(N, M, G) (~((N) | (M)) & (G))
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#define DO_NAND(N, M, G) (~((N) & (M)) & (G))
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#define DO_SEL(N, M, G) (((N) & (G)) | ((M) & ~(G)))
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LOGICAL_PPPP(sve_and_pppp, DO_AND)
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LOGICAL_PPPP(sve_bic_pppp, DO_BIC)
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LOGICAL_PPPP(sve_eor_pppp, DO_EOR)
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LOGICAL_PPPP(sve_sel_pppp, DO_SEL)
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LOGICAL_PPPP(sve_orr_pppp, DO_ORR)
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LOGICAL_PPPP(sve_orn_pppp, DO_ORN)
|
|
|
|
|
LOGICAL_PPPP(sve_nor_pppp, DO_NOR)
|
|
|
|
|
LOGICAL_PPPP(sve_nand_pppp, DO_NAND)
|
|
|
|
|
|
|
|
|
|
#undef DO_AND
|
|
|
|
|
#undef DO_BIC
|
|
|
|
|
#undef DO_EOR
|
|
|
|
|
#undef DO_ORR
|
|
|
|
|
#undef DO_ORN
|
|
|
|
|
#undef DO_NOR
|
|
|
|
|
#undef DO_NAND
|
|
|
|
|
#undef DO_SEL
|
|
|
|
|
#undef LOGICAL_PPPP
|
2018-05-20 06:25:06 +00:00
|
|
|
|
|
|
|
|
/* Fully general three-operand expander, controlled by a predicate.
|
|
|
|
|
* This is complicated by the host-endian storage of the register file.
|
|
|
|
|
*/
|
|
|
|
|
/* ??? I don't expect the compiler could ever vectorize this itself.
|
|
|
|
|
* With some tables we can convert bit masks to byte masks, and with
|
|
|
|
|
* extra care wrt byte/word ordering we could use gcc generic vectors
|
|
|
|
|
* and do 16 bytes at a time.
|
|
|
|
|
*/
|
|
|
|
|
#define DO_ZPZZ(NAME, TYPE, H, OP) \
|
|
|
|
|
void HELPER(NAME)(void *vd, void *vn, void *vm, void *vg, uint32_t desc) \
|
|
|
|
|
{ \
|
|
|
|
|
intptr_t i, opr_sz = simd_oprsz(desc); \
|
|
|
|
|
for (i = 0; i < opr_sz; ) { \
|
|
|
|
|
uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); \
|
|
|
|
|
do { \
|
|
|
|
|
if (pg & 1) { \
|
|
|
|
|
TYPE nn = *(TYPE *)(vn + H(i)); \
|
|
|
|
|
TYPE mm = *(TYPE *)(vm + H(i)); \
|
|
|
|
|
*(TYPE *)(vd + H(i)) = OP(nn, mm); \
|
|
|
|
|
} \
|
|
|
|
|
i += sizeof(TYPE), pg >>= sizeof(TYPE); \
|
|
|
|
|
} while (i & 15); \
|
|
|
|
|
} \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Similarly, specialized for 64-bit operands. */
|
|
|
|
|
#define DO_ZPZZ_D(NAME, TYPE, OP) \
|
|
|
|
|
void HELPER(NAME)(void *vd, void *vn, void *vm, void *vg, uint32_t desc) \
|
|
|
|
|
{ \
|
|
|
|
|
intptr_t i, opr_sz = simd_oprsz(desc) / 8; \
|
|
|
|
|
TYPE *d = vd, *n = vn, *m = vm; \
|
|
|
|
|
uint8_t *pg = vg; \
|
|
|
|
|
for (i = 0; i < opr_sz; i += 1) { \
|
|
|
|
|
if (pg[H1(i)] & 1) { \
|
|
|
|
|
TYPE nn = n[i], mm = m[i]; \
|
|
|
|
|
d[i] = OP(nn, mm); \
|
|
|
|
|
} \
|
|
|
|
|
} \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#define DO_AND(N, M) (N & M)
|
|
|
|
|
#define DO_EOR(N, M) (N ^ M)
|
|
|
|
|
#define DO_ORR(N, M) (N | M)
|
|
|
|
|
#define DO_BIC(N, M) (N & ~M)
|
|
|
|
|
#define DO_ADD(N, M) (N + M)
|
|
|
|
|
#define DO_SUB(N, M) (N - M)
|
|
|
|
|
#define DO_MAX(N, M) ((N) >= (M) ? (N) : (M))
|
|
|
|
|
#define DO_MIN(N, M) ((N) >= (M) ? (M) : (N))
|
|
|
|
|
#define DO_ABD(N, M) ((N) >= (M) ? (N) - (M) : (M) - (N))
|
|
|
|
|
#define DO_MUL(N, M) (N * M)
|
|
|
|
|
#define DO_DIV(N, M) (M ? N / M : 0)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZ(sve_and_zpzz_b, uint8_t, H1, DO_AND)
|
|
|
|
|
DO_ZPZZ(sve_and_zpzz_h, uint16_t, H1_2, DO_AND)
|
|
|
|
|
DO_ZPZZ(sve_and_zpzz_s, uint32_t, H1_4, DO_AND)
|
|
|
|
|
DO_ZPZZ_D(sve_and_zpzz_d, uint64_t, DO_AND)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZ(sve_orr_zpzz_b, uint8_t, H1, DO_ORR)
|
|
|
|
|
DO_ZPZZ(sve_orr_zpzz_h, uint16_t, H1_2, DO_ORR)
|
|
|
|
|
DO_ZPZZ(sve_orr_zpzz_s, uint32_t, H1_4, DO_ORR)
|
|
|
|
|
DO_ZPZZ_D(sve_orr_zpzz_d, uint64_t, DO_ORR)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZ(sve_eor_zpzz_b, uint8_t, H1, DO_EOR)
|
|
|
|
|
DO_ZPZZ(sve_eor_zpzz_h, uint16_t, H1_2, DO_EOR)
|
|
|
|
|
DO_ZPZZ(sve_eor_zpzz_s, uint32_t, H1_4, DO_EOR)
|
|
|
|
|
DO_ZPZZ_D(sve_eor_zpzz_d, uint64_t, DO_EOR)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZ(sve_bic_zpzz_b, uint8_t, H1, DO_BIC)
|
|
|
|
|
DO_ZPZZ(sve_bic_zpzz_h, uint16_t, H1_2, DO_BIC)
|
|
|
|
|
DO_ZPZZ(sve_bic_zpzz_s, uint32_t, H1_4, DO_BIC)
|
|
|
|
|
DO_ZPZZ_D(sve_bic_zpzz_d, uint64_t, DO_BIC)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZ(sve_add_zpzz_b, uint8_t, H1, DO_ADD)
|
|
|
|
|
DO_ZPZZ(sve_add_zpzz_h, uint16_t, H1_2, DO_ADD)
|
|
|
|
|
DO_ZPZZ(sve_add_zpzz_s, uint32_t, H1_4, DO_ADD)
|
|
|
|
|
DO_ZPZZ_D(sve_add_zpzz_d, uint64_t, DO_ADD)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZ(sve_sub_zpzz_b, uint8_t, H1, DO_SUB)
|
|
|
|
|
DO_ZPZZ(sve_sub_zpzz_h, uint16_t, H1_2, DO_SUB)
|
|
|
|
|
DO_ZPZZ(sve_sub_zpzz_s, uint32_t, H1_4, DO_SUB)
|
|
|
|
|
DO_ZPZZ_D(sve_sub_zpzz_d, uint64_t, DO_SUB)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZ(sve_smax_zpzz_b, int8_t, H1, DO_MAX)
|
|
|
|
|
DO_ZPZZ(sve_smax_zpzz_h, int16_t, H1_2, DO_MAX)
|
|
|
|
|
DO_ZPZZ(sve_smax_zpzz_s, int32_t, H1_4, DO_MAX)
|
|
|
|
|
DO_ZPZZ_D(sve_smax_zpzz_d, int64_t, DO_MAX)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZ(sve_umax_zpzz_b, uint8_t, H1, DO_MAX)
|
|
|
|
|
DO_ZPZZ(sve_umax_zpzz_h, uint16_t, H1_2, DO_MAX)
|
|
|
|
|
DO_ZPZZ(sve_umax_zpzz_s, uint32_t, H1_4, DO_MAX)
|
|
|
|
|
DO_ZPZZ_D(sve_umax_zpzz_d, uint64_t, DO_MAX)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZ(sve_smin_zpzz_b, int8_t, H1, DO_MIN)
|
|
|
|
|
DO_ZPZZ(sve_smin_zpzz_h, int16_t, H1_2, DO_MIN)
|
|
|
|
|
DO_ZPZZ(sve_smin_zpzz_s, int32_t, H1_4, DO_MIN)
|
|
|
|
|
DO_ZPZZ_D(sve_smin_zpzz_d, int64_t, DO_MIN)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZ(sve_umin_zpzz_b, uint8_t, H1, DO_MIN)
|
|
|
|
|
DO_ZPZZ(sve_umin_zpzz_h, uint16_t, H1_2, DO_MIN)
|
|
|
|
|
DO_ZPZZ(sve_umin_zpzz_s, uint32_t, H1_4, DO_MIN)
|
|
|
|
|
DO_ZPZZ_D(sve_umin_zpzz_d, uint64_t, DO_MIN)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZ(sve_sabd_zpzz_b, int8_t, H1, DO_ABD)
|
|
|
|
|
DO_ZPZZ(sve_sabd_zpzz_h, int16_t, H1_2, DO_ABD)
|
|
|
|
|
DO_ZPZZ(sve_sabd_zpzz_s, int32_t, H1_4, DO_ABD)
|
|
|
|
|
DO_ZPZZ_D(sve_sabd_zpzz_d, int64_t, DO_ABD)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZ(sve_uabd_zpzz_b, uint8_t, H1, DO_ABD)
|
|
|
|
|
DO_ZPZZ(sve_uabd_zpzz_h, uint16_t, H1_2, DO_ABD)
|
|
|
|
|
DO_ZPZZ(sve_uabd_zpzz_s, uint32_t, H1_4, DO_ABD)
|
|
|
|
|
DO_ZPZZ_D(sve_uabd_zpzz_d, uint64_t, DO_ABD)
|
|
|
|
|
|
|
|
|
|
/* Because the computation type is at least twice as large as required,
|
|
|
|
|
these work for both signed and unsigned source types. */
|
|
|
|
|
static inline uint8_t do_mulh_b(int32_t n, int32_t m)
|
|
|
|
|
{
|
|
|
|
|
return (n * m) >> 8;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static inline uint16_t do_mulh_h(int32_t n, int32_t m)
|
|
|
|
|
{
|
|
|
|
|
return (n * m) >> 16;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static inline uint32_t do_mulh_s(int64_t n, int64_t m)
|
|
|
|
|
{
|
|
|
|
|
return (n * m) >> 32;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static inline uint64_t do_smulh_d(uint64_t n, uint64_t m)
|
|
|
|
|
{
|
|
|
|
|
uint64_t lo, hi;
|
|
|
|
|
muls64(&lo, &hi, n, m);
|
|
|
|
|
return hi;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
static inline uint64_t do_umulh_d(uint64_t n, uint64_t m)
|
|
|
|
|
{
|
|
|
|
|
uint64_t lo, hi;
|
|
|
|
|
mulu64(&lo, &hi, n, m);
|
|
|
|
|
return hi;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
DO_ZPZZ(sve_mul_zpzz_b, uint8_t, H1, DO_MUL)
|
|
|
|
|
DO_ZPZZ(sve_mul_zpzz_h, uint16_t, H1_2, DO_MUL)
|
|
|
|
|
DO_ZPZZ(sve_mul_zpzz_s, uint32_t, H1_4, DO_MUL)
|
|
|
|
|
DO_ZPZZ_D(sve_mul_zpzz_d, uint64_t, DO_MUL)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZ(sve_smulh_zpzz_b, int8_t, H1, do_mulh_b)
|
|
|
|
|
DO_ZPZZ(sve_smulh_zpzz_h, int16_t, H1_2, do_mulh_h)
|
|
|
|
|
DO_ZPZZ(sve_smulh_zpzz_s, int32_t, H1_4, do_mulh_s)
|
|
|
|
|
DO_ZPZZ_D(sve_smulh_zpzz_d, uint64_t, do_smulh_d)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZ(sve_umulh_zpzz_b, uint8_t, H1, do_mulh_b)
|
|
|
|
|
DO_ZPZZ(sve_umulh_zpzz_h, uint16_t, H1_2, do_mulh_h)
|
|
|
|
|
DO_ZPZZ(sve_umulh_zpzz_s, uint32_t, H1_4, do_mulh_s)
|
|
|
|
|
DO_ZPZZ_D(sve_umulh_zpzz_d, uint64_t, do_umulh_d)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZ(sve_sdiv_zpzz_s, int32_t, H1_4, DO_DIV)
|
|
|
|
|
DO_ZPZZ_D(sve_sdiv_zpzz_d, int64_t, DO_DIV)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZ(sve_udiv_zpzz_s, uint32_t, H1_4, DO_DIV)
|
|
|
|
|
DO_ZPZZ_D(sve_udiv_zpzz_d, uint64_t, DO_DIV)
|
|
|
|
|
|
2018-05-20 07:06:35 +00:00
|
|
|
/* Note that all bits of the shift are significant
|
|
|
|
|
and not modulo the element size. */
|
|
|
|
|
#define DO_ASR(N, M) (N >> MIN(M, sizeof(N) * 8 - 1))
|
|
|
|
|
#define DO_LSR(N, M) (M < sizeof(N) * 8 ? N >> M : 0)
|
|
|
|
|
#define DO_LSL(N, M) (M < sizeof(N) * 8 ? N << M : 0)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZ(sve_asr_zpzz_b, int8_t, H1, DO_ASR)
|
|
|
|
|
DO_ZPZZ(sve_lsr_zpzz_b, uint8_t, H1_2, DO_LSR)
|
|
|
|
|
DO_ZPZZ(sve_lsl_zpzz_b, uint8_t, H1_4, DO_LSL)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZ(sve_asr_zpzz_h, int16_t, H1, DO_ASR)
|
|
|
|
|
DO_ZPZZ(sve_lsr_zpzz_h, uint16_t, H1_2, DO_LSR)
|
|
|
|
|
DO_ZPZZ(sve_lsl_zpzz_h, uint16_t, H1_4, DO_LSL)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZ(sve_asr_zpzz_s, int32_t, H1, DO_ASR)
|
|
|
|
|
DO_ZPZZ(sve_lsr_zpzz_s, uint32_t, H1_2, DO_LSR)
|
|
|
|
|
DO_ZPZZ(sve_lsl_zpzz_s, uint32_t, H1_4, DO_LSL)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZ_D(sve_asr_zpzz_d, int64_t, DO_ASR)
|
|
|
|
|
DO_ZPZZ_D(sve_lsr_zpzz_d, uint64_t, DO_LSR)
|
|
|
|
|
DO_ZPZZ_D(sve_lsl_zpzz_d, uint64_t, DO_LSL)
|
|
|
|
|
|
2018-05-20 06:25:06 +00:00
|
|
|
#undef DO_ZPZZ
|
|
|
|
|
#undef DO_ZPZZ_D
|
2018-05-20 06:48:35 +00:00
|
|
|
|
2018-05-20 07:09:27 +00:00
|
|
|
/* Three-operand expander, controlled by a predicate, in which the
|
|
|
|
|
* third operand is "wide". That is, for D = N op M, the same 64-bit
|
|
|
|
|
* value of M is used with all of the narrower values of N.
|
|
|
|
|
*/
|
|
|
|
|
#define DO_ZPZW(NAME, TYPE, TYPEW, H, OP) \
|
|
|
|
|
void HELPER(NAME)(void *vd, void *vn, void *vm, void *vg, uint32_t desc) \
|
|
|
|
|
{ \
|
|
|
|
|
intptr_t i, opr_sz = simd_oprsz(desc); \
|
|
|
|
|
for (i = 0; i < opr_sz; ) { \
|
|
|
|
|
uint8_t pg = *(uint8_t *)(vg + H1(i >> 3)); \
|
|
|
|
|
TYPEW mm = *(TYPEW *)(vm + i); \
|
|
|
|
|
do { \
|
|
|
|
|
if (pg & 1) { \
|
|
|
|
|
TYPE nn = *(TYPE *)(vn + H(i)); \
|
|
|
|
|
*(TYPE *)(vd + H(i)) = OP(nn, mm); \
|
|
|
|
|
} \
|
|
|
|
|
i += sizeof(TYPE), pg >>= sizeof(TYPE); \
|
|
|
|
|
} while (i & 7); \
|
|
|
|
|
} \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
DO_ZPZW(sve_asr_zpzw_b, int8_t, uint64_t, H1, DO_ASR)
|
|
|
|
|
DO_ZPZW(sve_lsr_zpzw_b, uint8_t, uint64_t, H1, DO_LSR)
|
|
|
|
|
DO_ZPZW(sve_lsl_zpzw_b, uint8_t, uint64_t, H1, DO_LSL)
|
|
|
|
|
|
|
|
|
|
DO_ZPZW(sve_asr_zpzw_h, int16_t, uint64_t, H1_2, DO_ASR)
|
|
|
|
|
DO_ZPZW(sve_lsr_zpzw_h, uint16_t, uint64_t, H1_2, DO_LSR)
|
|
|
|
|
DO_ZPZW(sve_lsl_zpzw_h, uint16_t, uint64_t, H1_2, DO_LSL)
|
|
|
|
|
|
|
|
|
|
DO_ZPZW(sve_asr_zpzw_s, int32_t, uint64_t, H1_4, DO_ASR)
|
|
|
|
|
DO_ZPZW(sve_lsr_zpzw_s, uint32_t, uint64_t, H1_4, DO_LSR)
|
|
|
|
|
DO_ZPZW(sve_lsl_zpzw_s, uint32_t, uint64_t, H1_4, DO_LSL)
|
|
|
|
|
|
|
|
|
|
#undef DO_ZPZW
|
|
|
|
|
|
2018-05-20 08:26:47 +00:00
|
|
|
/* Fully general two-operand expander, controlled by a predicate.
|
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*/
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#define DO_ZPZ(NAME, TYPE, H, OP) \
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void HELPER(NAME)(void *vd, void *vn, void *vg, uint32_t desc) \
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{ \
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intptr_t i, opr_sz = simd_oprsz(desc); \
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for (i = 0; i < opr_sz; ) { \
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uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); \
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do { \
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if (pg & 1) { \
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TYPE nn = *(TYPE *)(vn + H(i)); \
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*(TYPE *)(vd + H(i)) = OP(nn); \
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} \
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i += sizeof(TYPE), pg >>= sizeof(TYPE); \
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} while (i & 15); \
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} \
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}
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/* Similarly, specialized for 64-bit operands. */
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#define DO_ZPZ_D(NAME, TYPE, OP) \
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void HELPER(NAME)(void *vd, void *vn, void *vg, uint32_t desc) \
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{ \
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intptr_t i, opr_sz = simd_oprsz(desc) / 8; \
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TYPE *d = vd, *n = vn; \
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uint8_t *pg = vg; \
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for (i = 0; i < opr_sz; i += 1) { \
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if (pg[H1(i)] & 1) { \
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TYPE nn = n[i]; \
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d[i] = OP(nn); \
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} \
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} \
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}
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#define DO_CLS_B(N) (clrsb32(N) - 24)
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#define DO_CLS_H(N) (clrsb32(N) - 16)
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DO_ZPZ(sve_cls_b, int8_t, H1, DO_CLS_B)
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DO_ZPZ(sve_cls_h, int16_t, H1_2, DO_CLS_H)
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DO_ZPZ(sve_cls_s, int32_t, H1_4, clrsb32)
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DO_ZPZ_D(sve_cls_d, int64_t, clrsb64)
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#define DO_CLZ_B(N) (clz32(N) - 24)
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#define DO_CLZ_H(N) (clz32(N) - 16)
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DO_ZPZ(sve_clz_b, uint8_t, H1, DO_CLZ_B)
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DO_ZPZ(sve_clz_h, uint16_t, H1_2, DO_CLZ_H)
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DO_ZPZ(sve_clz_s, uint32_t, H1_4, clz32)
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DO_ZPZ_D(sve_clz_d, uint64_t, clz64)
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DO_ZPZ(sve_cnt_zpz_b, uint8_t, H1, ctpop8)
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DO_ZPZ(sve_cnt_zpz_h, uint16_t, H1_2, ctpop16)
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DO_ZPZ(sve_cnt_zpz_s, uint32_t, H1_4, ctpop32)
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DO_ZPZ_D(sve_cnt_zpz_d, uint64_t, ctpop64)
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#define DO_CNOT(N) (N == 0)
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DO_ZPZ(sve_cnot_b, uint8_t, H1, DO_CNOT)
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DO_ZPZ(sve_cnot_h, uint16_t, H1_2, DO_CNOT)
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DO_ZPZ(sve_cnot_s, uint32_t, H1_4, DO_CNOT)
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DO_ZPZ_D(sve_cnot_d, uint64_t, DO_CNOT)
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#define DO_FABS(N) (N & ((__typeof(N))-1 >> 1))
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DO_ZPZ(sve_fabs_h, uint16_t, H1_2, DO_FABS)
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DO_ZPZ(sve_fabs_s, uint32_t, H1_4, DO_FABS)
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DO_ZPZ_D(sve_fabs_d, uint64_t, DO_FABS)
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|
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#define DO_FNEG(N) (N ^ ~((__typeof(N))-1 >> 1))
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DO_ZPZ(sve_fneg_h, uint16_t, H1_2, DO_FNEG)
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DO_ZPZ(sve_fneg_s, uint32_t, H1_4, DO_FNEG)
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DO_ZPZ_D(sve_fneg_d, uint64_t, DO_FNEG)
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|
|
#define DO_NOT(N) (~N)
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DO_ZPZ(sve_not_zpz_b, uint8_t, H1, DO_NOT)
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DO_ZPZ(sve_not_zpz_h, uint16_t, H1_2, DO_NOT)
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DO_ZPZ(sve_not_zpz_s, uint32_t, H1_4, DO_NOT)
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DO_ZPZ_D(sve_not_zpz_d, uint64_t, DO_NOT)
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|
|
#define DO_SXTB(N) ((int8_t)N)
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|
|
#define DO_SXTH(N) ((int16_t)N)
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|
|
#define DO_SXTS(N) ((int32_t)N)
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|
|
#define DO_UXTB(N) ((uint8_t)N)
|
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|
|
|
#define DO_UXTH(N) ((uint16_t)N)
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|
|
#define DO_UXTS(N) ((uint32_t)N)
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|
|
DO_ZPZ(sve_sxtb_h, uint16_t, H1_2, DO_SXTB)
|
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|
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|
DO_ZPZ(sve_sxtb_s, uint32_t, H1_4, DO_SXTB)
|
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|
|
|
DO_ZPZ(sve_sxth_s, uint32_t, H1_4, DO_SXTH)
|
|
|
|
|
DO_ZPZ_D(sve_sxtb_d, uint64_t, DO_SXTB)
|
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|
|
|
DO_ZPZ_D(sve_sxth_d, uint64_t, DO_SXTH)
|
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|
|
|
DO_ZPZ_D(sve_sxtw_d, uint64_t, DO_SXTS)
|
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|
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|
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|
|
DO_ZPZ(sve_uxtb_h, uint16_t, H1_2, DO_UXTB)
|
|
|
|
|
DO_ZPZ(sve_uxtb_s, uint32_t, H1_4, DO_UXTB)
|
|
|
|
|
DO_ZPZ(sve_uxth_s, uint32_t, H1_4, DO_UXTH)
|
|
|
|
|
DO_ZPZ_D(sve_uxtb_d, uint64_t, DO_UXTB)
|
|
|
|
|
DO_ZPZ_D(sve_uxth_d, uint64_t, DO_UXTH)
|
|
|
|
|
DO_ZPZ_D(sve_uxtw_d, uint64_t, DO_UXTS)
|
|
|
|
|
|
|
|
|
|
#define DO_ABS(N) (N < 0 ? -N : N)
|
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|
|
|
|
|
|
|
|
DO_ZPZ(sve_abs_b, int8_t, H1, DO_ABS)
|
|
|
|
|
DO_ZPZ(sve_abs_h, int16_t, H1_2, DO_ABS)
|
|
|
|
|
DO_ZPZ(sve_abs_s, int32_t, H1_4, DO_ABS)
|
|
|
|
|
DO_ZPZ_D(sve_abs_d, int64_t, DO_ABS)
|
|
|
|
|
|
|
|
|
|
#define DO_NEG(N) (-N)
|
|
|
|
|
|
|
|
|
|
DO_ZPZ(sve_neg_b, uint8_t, H1, DO_NEG)
|
|
|
|
|
DO_ZPZ(sve_neg_h, uint16_t, H1_2, DO_NEG)
|
|
|
|
|
DO_ZPZ(sve_neg_s, uint32_t, H1_4, DO_NEG)
|
|
|
|
|
DO_ZPZ_D(sve_neg_d, uint64_t, DO_NEG)
|
|
|
|
|
|
|
|
|
|
#undef DO_CLS_B
|
|
|
|
|
#undef DO_CLS_H
|
|
|
|
|
#undef DO_CLZ_B
|
|
|
|
|
#undef DO_CLZ_H
|
|
|
|
|
#undef DO_CNOT
|
|
|
|
|
#undef DO_FABS
|
|
|
|
|
#undef DO_FNEG
|
|
|
|
|
#undef DO_ABS
|
|
|
|
|
#undef DO_NEG
|
|
|
|
|
#undef DO_ZPZ
|
|
|
|
|
#undef DO_ZPZ_D
|
|
|
|
|
|
2018-05-20 06:48:35 +00:00
|
|
|
/* Two-operand reduction expander, controlled by a predicate.
|
|
|
|
|
* The difference between TYPERED and TYPERET has to do with
|
|
|
|
|
* sign-extension. E.g. for SMAX, TYPERED must be signed,
|
|
|
|
|
* but TYPERET must be unsigned so that e.g. a 32-bit value
|
|
|
|
|
* is not sign-extended to the ABI uint64_t return type.
|
|
|
|
|
*/
|
|
|
|
|
/* ??? If we were to vectorize this by hand the reduction ordering
|
|
|
|
|
* would change. For integer operands, this is perfectly fine.
|
|
|
|
|
*/
|
|
|
|
|
#define DO_VPZ(NAME, TYPEELT, TYPERED, TYPERET, H, INIT, OP) \
|
|
|
|
|
uint64_t HELPER(NAME)(void *vn, void *vg, uint32_t desc) \
|
|
|
|
|
{ \
|
|
|
|
|
intptr_t i, opr_sz = simd_oprsz(desc); \
|
|
|
|
|
TYPERED ret = INIT; \
|
|
|
|
|
for (i = 0; i < opr_sz; ) { \
|
|
|
|
|
uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); \
|
|
|
|
|
do { \
|
|
|
|
|
if (pg & 1) { \
|
|
|
|
|
TYPEELT nn = *(TYPEELT *)(vn + H(i)); \
|
|
|
|
|
ret = OP(ret, nn); \
|
|
|
|
|
} \
|
|
|
|
|
i += sizeof(TYPEELT), pg >>= sizeof(TYPEELT); \
|
|
|
|
|
} while (i & 15); \
|
|
|
|
|
} \
|
|
|
|
|
return (TYPERET)ret; \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#define DO_VPZ_D(NAME, TYPEE, TYPER, INIT, OP) \
|
|
|
|
|
uint64_t HELPER(NAME)(void *vn, void *vg, uint32_t desc) \
|
|
|
|
|
{ \
|
|
|
|
|
intptr_t i, opr_sz = simd_oprsz(desc) / 8; \
|
|
|
|
|
TYPEE *n = vn; \
|
|
|
|
|
uint8_t *pg = vg; \
|
|
|
|
|
TYPER ret = INIT; \
|
|
|
|
|
for (i = 0; i < opr_sz; i += 1) { \
|
|
|
|
|
if (pg[H1(i)] & 1) { \
|
|
|
|
|
TYPEE nn = n[i]; \
|
|
|
|
|
ret = OP(ret, nn); \
|
|
|
|
|
} \
|
|
|
|
|
} \
|
|
|
|
|
return ret; \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
DO_VPZ(sve_orv_b, uint8_t, uint8_t, uint8_t, H1, 0, DO_ORR)
|
|
|
|
|
DO_VPZ(sve_orv_h, uint16_t, uint16_t, uint16_t, H1_2, 0, DO_ORR)
|
|
|
|
|
DO_VPZ(sve_orv_s, uint32_t, uint32_t, uint32_t, H1_4, 0, DO_ORR)
|
|
|
|
|
DO_VPZ_D(sve_orv_d, uint64_t, uint64_t, 0, DO_ORR)
|
|
|
|
|
|
|
|
|
|
DO_VPZ(sve_eorv_b, uint8_t, uint8_t, uint8_t, H1, 0, DO_EOR)
|
|
|
|
|
DO_VPZ(sve_eorv_h, uint16_t, uint16_t, uint16_t, H1_2, 0, DO_EOR)
|
|
|
|
|
DO_VPZ(sve_eorv_s, uint32_t, uint32_t, uint32_t, H1_4, 0, DO_EOR)
|
|
|
|
|
DO_VPZ_D(sve_eorv_d, uint64_t, uint64_t, 0, DO_EOR)
|
|
|
|
|
|
|
|
|
|
DO_VPZ(sve_andv_b, uint8_t, uint8_t, uint8_t, H1, -1, DO_AND)
|
|
|
|
|
DO_VPZ(sve_andv_h, uint16_t, uint16_t, uint16_t, H1_2, -1, DO_AND)
|
|
|
|
|
DO_VPZ(sve_andv_s, uint32_t, uint32_t, uint32_t, H1_4, -1, DO_AND)
|
|
|
|
|
DO_VPZ_D(sve_andv_d, uint64_t, uint64_t, -1, DO_AND)
|
|
|
|
|
|
|
|
|
|
DO_VPZ(sve_saddv_b, int8_t, uint64_t, uint64_t, H1, 0, DO_ADD)
|
|
|
|
|
DO_VPZ(sve_saddv_h, int16_t, uint64_t, uint64_t, H1_2, 0, DO_ADD)
|
|
|
|
|
DO_VPZ(sve_saddv_s, int32_t, uint64_t, uint64_t, H1_4, 0, DO_ADD)
|
|
|
|
|
|
|
|
|
|
DO_VPZ(sve_uaddv_b, uint8_t, uint64_t, uint64_t, H1, 0, DO_ADD)
|
|
|
|
|
DO_VPZ(sve_uaddv_h, uint16_t, uint64_t, uint64_t, H1_2, 0, DO_ADD)
|
|
|
|
|
DO_VPZ(sve_uaddv_s, uint32_t, uint64_t, uint64_t, H1_4, 0, DO_ADD)
|
|
|
|
|
DO_VPZ_D(sve_uaddv_d, uint64_t, uint64_t, 0, DO_ADD)
|
|
|
|
|
|
|
|
|
|
DO_VPZ(sve_smaxv_b, int8_t, int8_t, uint8_t, H1, INT8_MIN, DO_MAX)
|
|
|
|
|
DO_VPZ(sve_smaxv_h, int16_t, int16_t, uint16_t, H1_2, INT16_MIN, DO_MAX)
|
|
|
|
|
DO_VPZ(sve_smaxv_s, int32_t, int32_t, uint32_t, H1_4, INT32_MIN, DO_MAX)
|
|
|
|
|
DO_VPZ_D(sve_smaxv_d, int64_t, int64_t, INT64_MIN, DO_MAX)
|
|
|
|
|
|
|
|
|
|
DO_VPZ(sve_umaxv_b, uint8_t, uint8_t, uint8_t, H1, 0, DO_MAX)
|
|
|
|
|
DO_VPZ(sve_umaxv_h, uint16_t, uint16_t, uint16_t, H1_2, 0, DO_MAX)
|
|
|
|
|
DO_VPZ(sve_umaxv_s, uint32_t, uint32_t, uint32_t, H1_4, 0, DO_MAX)
|
|
|
|
|
DO_VPZ_D(sve_umaxv_d, uint64_t, uint64_t, 0, DO_MAX)
|
|
|
|
|
|
|
|
|
|
DO_VPZ(sve_sminv_b, int8_t, int8_t, uint8_t, H1, INT8_MAX, DO_MIN)
|
|
|
|
|
DO_VPZ(sve_sminv_h, int16_t, int16_t, uint16_t, H1_2, INT16_MAX, DO_MIN)
|
|
|
|
|
DO_VPZ(sve_sminv_s, int32_t, int32_t, uint32_t, H1_4, INT32_MAX, DO_MIN)
|
|
|
|
|
DO_VPZ_D(sve_sminv_d, int64_t, int64_t, INT64_MAX, DO_MIN)
|
|
|
|
|
|
|
|
|
|
DO_VPZ(sve_uminv_b, uint8_t, uint8_t, uint8_t, H1, -1, DO_MIN)
|
|
|
|
|
DO_VPZ(sve_uminv_h, uint16_t, uint16_t, uint16_t, H1_2, -1, DO_MIN)
|
|
|
|
|
DO_VPZ(sve_uminv_s, uint32_t, uint32_t, uint32_t, H1_4, -1, DO_MIN)
|
|
|
|
|
DO_VPZ_D(sve_uminv_d, uint64_t, uint64_t, -1, DO_MIN)
|
|
|
|
|
|
|
|
|
|
#undef DO_VPZ
|
|
|
|
|
#undef DO_VPZ_D
|
|
|
|
|
|
2018-05-20 06:25:06 +00:00
|
|
|
#undef DO_AND
|
|
|
|
|
#undef DO_ORR
|
|
|
|
|
#undef DO_EOR
|
|
|
|
|
#undef DO_BIC
|
|
|
|
|
#undef DO_ADD
|
|
|
|
|
#undef DO_SUB
|
|
|
|
|
#undef DO_MAX
|
|
|
|
|
#undef DO_MIN
|
|
|
|
|
#undef DO_ABD
|
|
|
|
|
#undef DO_MUL
|
|
|
|
|
#undef DO_DIV
|
2018-05-20 07:06:35 +00:00
|
|
|
#undef DO_ASR
|
|
|
|
|
#undef DO_LSR
|
|
|
|
|
#undef DO_LSL
|
2018-05-20 06:25:06 +00:00
|
|
|
|
|
|
|
|
/* Similar to the ARM LastActiveElement pseudocode function, except the
|
|
|
|
|
result is multiplied by the element size. This includes the not found
|
|
|
|
|
indication; e.g. not found for esz=3 is -8. */
|
|
|
|
|
static intptr_t last_active_element(uint64_t *g, intptr_t words, intptr_t esz)
|
|
|
|
|
{
|
|
|
|
|
uint64_t mask = pred_esz_masks[esz];
|
|
|
|
|
intptr_t i = words;
|
|
|
|
|
|
|
|
|
|
do {
|
|
|
|
|
uint64_t this_g = g[--i] & mask;
|
|
|
|
|
if (this_g) {
|
|
|
|
|
return i * 64 + (63 - clz64(this_g));
|
|
|
|
|
}
|
|
|
|
|
} while (i > 0);
|
|
|
|
|
return (intptr_t)-1 << esz;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
uint32_t HELPER(sve_pfirst)(void *vd, void *vg, uint32_t words)
|
|
|
|
|
{
|
|
|
|
|
uint32_t flags = PREDTEST_INIT;
|
|
|
|
|
uint64_t *d = vd, *g = vg;
|
|
|
|
|
intptr_t i = 0;
|
|
|
|
|
|
|
|
|
|
do {
|
|
|
|
|
uint64_t this_d = d[i];
|
|
|
|
|
uint64_t this_g = g[i];
|
|
|
|
|
|
|
|
|
|
if (this_g) {
|
|
|
|
|
if (!(flags & 4)) {
|
|
|
|
|
/* Set in D the first bit of G. */
|
|
|
|
|
this_d |= this_g & -this_g;
|
|
|
|
|
d[i] = this_d;
|
|
|
|
|
}
|
|
|
|
|
flags = iter_predtest_fwd(this_d, this_g, flags);
|
|
|
|
|
}
|
|
|
|
|
} while (++i < words);
|
|
|
|
|
|
|
|
|
|
return flags;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
uint32_t HELPER(sve_pnext)(void *vd, void *vg, uint32_t pred_desc)
|
|
|
|
|
{
|
|
|
|
|
intptr_t words = extract32(pred_desc, 0, SIMD_OPRSZ_BITS);
|
|
|
|
|
intptr_t esz = extract32(pred_desc, SIMD_DATA_SHIFT, 2);
|
|
|
|
|
uint32_t flags = PREDTEST_INIT;
|
|
|
|
|
uint64_t *d = vd, *g = vg, esz_mask;
|
|
|
|
|
intptr_t i, next;
|
|
|
|
|
|
|
|
|
|
next = last_active_element(vd, words, esz) + (1 << esz);
|
|
|
|
|
esz_mask = pred_esz_masks[esz];
|
|
|
|
|
|
|
|
|
|
/* Similar to the pseudocode for pnext, but scaled by ESZ
|
|
|
|
|
so that we find the correct bit. */
|
|
|
|
|
if (next < words * 64) {
|
|
|
|
|
uint64_t mask = -1;
|
|
|
|
|
|
|
|
|
|
if (next & 63) {
|
|
|
|
|
mask = ~((1ull << (next & 63)) - 1);
|
|
|
|
|
next &= -64;
|
|
|
|
|
}
|
|
|
|
|
do {
|
|
|
|
|
uint64_t this_g = g[next / 64] & esz_mask & mask;
|
|
|
|
|
if (this_g != 0) {
|
|
|
|
|
next = (next & -64) + ctz64(this_g);
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
next += 64;
|
|
|
|
|
mask = -1;
|
|
|
|
|
} while (next < words * 64);
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
i = 0;
|
|
|
|
|
do {
|
|
|
|
|
uint64_t this_d = 0;
|
|
|
|
|
if (i == next / 64) {
|
|
|
|
|
this_d = 1ull << (next & 63);
|
|
|
|
|
}
|
|
|
|
|
d[i] = this_d;
|
|
|
|
|
flags = iter_predtest_fwd(this_d, g[i] & esz_mask, flags);
|
|
|
|
|
} while (++i < words);
|
|
|
|
|
|
|
|
|
|
return flags;
|
|
|
|
|
}
|
2018-05-20 06:57:27 +00:00
|
|
|
|
|
|
|
|
/* Store zero into every active element of Zd. We will use this for two
|
|
|
|
|
* and three-operand predicated instructions for which logic dictates a
|
|
|
|
|
* zero result. In particular, logical shift by element size, which is
|
|
|
|
|
* otherwise undefined on the host.
|
|
|
|
|
*
|
|
|
|
|
* For element sizes smaller than uint64_t, we use tables to expand
|
|
|
|
|
* the N bits of the controlling predicate to a byte mask, and clear
|
|
|
|
|
* those bytes.
|
|
|
|
|
*/
|
|
|
|
|
void HELPER(sve_clr_b)(void *vd, void *vg, uint32_t desc)
|
|
|
|
|
{
|
|
|
|
|
intptr_t i, opr_sz = simd_oprsz(desc) / 8;
|
|
|
|
|
uint64_t *d = vd;
|
|
|
|
|
uint8_t *pg = vg;
|
|
|
|
|
for (i = 0; i < opr_sz; i += 1) {
|
|
|
|
|
d[i] &= ~expand_pred_b(pg[H1(i)]);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void HELPER(sve_clr_h)(void *vd, void *vg, uint32_t desc)
|
|
|
|
|
{
|
|
|
|
|
intptr_t i, opr_sz = simd_oprsz(desc) / 8;
|
|
|
|
|
uint64_t *d = vd;
|
|
|
|
|
uint8_t *pg = vg;
|
|
|
|
|
for (i = 0; i < opr_sz; i += 1) {
|
|
|
|
|
d[i] &= ~expand_pred_h(pg[H1(i)]);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void HELPER(sve_clr_s)(void *vd, void *vg, uint32_t desc)
|
|
|
|
|
{
|
|
|
|
|
intptr_t i, opr_sz = simd_oprsz(desc) / 8;
|
|
|
|
|
uint64_t *d = vd;
|
|
|
|
|
uint8_t *pg = vg;
|
|
|
|
|
for (i = 0; i < opr_sz; i += 1) {
|
|
|
|
|
d[i] &= ~expand_pred_s(pg[H1(i)]);
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
void HELPER(sve_clr_d)(void *vd, void *vg, uint32_t desc)
|
|
|
|
|
{
|
|
|
|
|
intptr_t i, opr_sz = simd_oprsz(desc) / 8;
|
|
|
|
|
uint64_t *d = vd;
|
|
|
|
|
uint8_t *pg = vg;
|
|
|
|
|
for (i = 0; i < opr_sz; i += 1) {
|
|
|
|
|
if (pg[H1(i)] & 1) {
|
|
|
|
|
d[i] = 0;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Three-operand expander, immediate operand, controlled by a predicate.
|
|
|
|
|
*/
|
|
|
|
|
#define DO_ZPZI(NAME, TYPE, H, OP) \
|
|
|
|
|
void HELPER(NAME)(void *vd, void *vn, void *vg, uint32_t desc) \
|
|
|
|
|
{ \
|
|
|
|
|
intptr_t i, opr_sz = simd_oprsz(desc); \
|
|
|
|
|
TYPE imm = simd_data(desc); \
|
|
|
|
|
for (i = 0; i < opr_sz; ) { \
|
|
|
|
|
uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); \
|
|
|
|
|
do { \
|
|
|
|
|
if (pg & 1) { \
|
|
|
|
|
TYPE nn = *(TYPE *)(vn + H(i)); \
|
|
|
|
|
*(TYPE *)(vd + H(i)) = OP(nn, imm); \
|
|
|
|
|
} \
|
|
|
|
|
i += sizeof(TYPE), pg >>= sizeof(TYPE); \
|
|
|
|
|
} while (i & 15); \
|
|
|
|
|
} \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Similarly, specialized for 64-bit operands. */
|
|
|
|
|
#define DO_ZPZI_D(NAME, TYPE, OP) \
|
|
|
|
|
void HELPER(NAME)(void *vd, void *vn, void *vg, uint32_t desc) \
|
|
|
|
|
{ \
|
|
|
|
|
intptr_t i, opr_sz = simd_oprsz(desc) / 8; \
|
|
|
|
|
TYPE *d = vd, *n = vn; \
|
|
|
|
|
TYPE imm = simd_data(desc); \
|
|
|
|
|
uint8_t *pg = vg; \
|
|
|
|
|
for (i = 0; i < opr_sz; i += 1) { \
|
|
|
|
|
if (pg[H1(i)] & 1) { \
|
|
|
|
|
TYPE nn = n[i]; \
|
|
|
|
|
d[i] = OP(nn, imm); \
|
|
|
|
|
} \
|
|
|
|
|
} \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#define DO_SHR(N, M) (N >> M)
|
|
|
|
|
#define DO_SHL(N, M) (N << M)
|
|
|
|
|
|
|
|
|
|
/* Arithmetic shift right for division. This rounds negative numbers
|
|
|
|
|
toward zero as per signed division. Therefore before shifting,
|
|
|
|
|
when N is negative, add 2**M-1. */
|
|
|
|
|
#define DO_ASRD(N, M) ((N + (N < 0 ? ((__typeof(N))1 << M) - 1 : 0)) >> M)
|
|
|
|
|
|
|
|
|
|
DO_ZPZI(sve_asr_zpzi_b, int8_t, H1, DO_SHR)
|
|
|
|
|
DO_ZPZI(sve_asr_zpzi_h, int16_t, H1_2, DO_SHR)
|
|
|
|
|
DO_ZPZI(sve_asr_zpzi_s, int32_t, H1_4, DO_SHR)
|
|
|
|
|
DO_ZPZI_D(sve_asr_zpzi_d, int64_t, DO_SHR)
|
|
|
|
|
|
|
|
|
|
DO_ZPZI(sve_lsr_zpzi_b, uint8_t, H1, DO_SHR)
|
|
|
|
|
DO_ZPZI(sve_lsr_zpzi_h, uint16_t, H1_2, DO_SHR)
|
|
|
|
|
DO_ZPZI(sve_lsr_zpzi_s, uint32_t, H1_4, DO_SHR)
|
|
|
|
|
DO_ZPZI_D(sve_lsr_zpzi_d, uint64_t, DO_SHR)
|
|
|
|
|
|
|
|
|
|
DO_ZPZI(sve_lsl_zpzi_b, uint8_t, H1, DO_SHL)
|
|
|
|
|
DO_ZPZI(sve_lsl_zpzi_h, uint16_t, H1_2, DO_SHL)
|
|
|
|
|
DO_ZPZI(sve_lsl_zpzi_s, uint32_t, H1_4, DO_SHL)
|
|
|
|
|
DO_ZPZI_D(sve_lsl_zpzi_d, uint64_t, DO_SHL)
|
|
|
|
|
|
|
|
|
|
DO_ZPZI(sve_asrd_b, int8_t, H1, DO_ASRD)
|
|
|
|
|
DO_ZPZI(sve_asrd_h, int16_t, H1_2, DO_ASRD)
|
|
|
|
|
DO_ZPZI(sve_asrd_s, int32_t, H1_4, DO_ASRD)
|
|
|
|
|
DO_ZPZI_D(sve_asrd_d, int64_t, DO_ASRD)
|
|
|
|
|
|
|
|
|
|
#undef DO_SHR
|
|
|
|
|
#undef DO_SHL
|
|
|
|
|
#undef DO_ASRD
|
|
|
|
|
#undef DO_ZPZI
|
|
|
|
|
#undef DO_ZPZI_D
|
2018-05-20 08:32:57 +00:00
|
|
|
|
|
|
|
|
/* Fully general four-operand expander, controlled by a predicate.
|
|
|
|
|
*/
|
|
|
|
|
#define DO_ZPZZZ(NAME, TYPE, H, OP) \
|
|
|
|
|
void HELPER(NAME)(void *vd, void *va, void *vn, void *vm, \
|
|
|
|
|
void *vg, uint32_t desc) \
|
|
|
|
|
{ \
|
|
|
|
|
intptr_t i, opr_sz = simd_oprsz(desc); \
|
|
|
|
|
for (i = 0; i < opr_sz; ) { \
|
|
|
|
|
uint16_t pg = *(uint16_t *)(vg + H1_2(i >> 3)); \
|
|
|
|
|
do { \
|
|
|
|
|
if (pg & 1) { \
|
|
|
|
|
TYPE nn = *(TYPE *)(vn + H(i)); \
|
|
|
|
|
TYPE mm = *(TYPE *)(vm + H(i)); \
|
|
|
|
|
TYPE aa = *(TYPE *)(va + H(i)); \
|
|
|
|
|
*(TYPE *)(vd + H(i)) = OP(aa, nn, mm); \
|
|
|
|
|
} \
|
|
|
|
|
i += sizeof(TYPE), pg >>= sizeof(TYPE); \
|
|
|
|
|
} while (i & 15); \
|
|
|
|
|
} \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* Similarly, specialized for 64-bit operands. */
|
|
|
|
|
#define DO_ZPZZZ_D(NAME, TYPE, OP) \
|
|
|
|
|
void HELPER(NAME)(void *vd, void *va, void *vn, void *vm, \
|
|
|
|
|
void *vg, uint32_t desc) \
|
|
|
|
|
{ \
|
|
|
|
|
intptr_t i, opr_sz = simd_oprsz(desc) / 8; \
|
|
|
|
|
TYPE *d = vd, *a = va, *n = vn, *m = vm; \
|
|
|
|
|
uint8_t *pg = vg; \
|
|
|
|
|
for (i = 0; i < opr_sz; i += 1) { \
|
|
|
|
|
if (pg[H1(i)] & 1) { \
|
|
|
|
|
TYPE aa = a[i], nn = n[i], mm = m[i]; \
|
|
|
|
|
d[i] = OP(aa, nn, mm); \
|
|
|
|
|
} \
|
|
|
|
|
} \
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
#define DO_MLA(A, N, M) (A + N * M)
|
|
|
|
|
#define DO_MLS(A, N, M) (A - N * M)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZZ(sve_mla_b, uint8_t, H1, DO_MLA)
|
|
|
|
|
DO_ZPZZZ(sve_mls_b, uint8_t, H1, DO_MLS)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZZ(sve_mla_h, uint16_t, H1_2, DO_MLA)
|
|
|
|
|
DO_ZPZZZ(sve_mls_h, uint16_t, H1_2, DO_MLS)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZZ(sve_mla_s, uint32_t, H1_4, DO_MLA)
|
|
|
|
|
DO_ZPZZZ(sve_mls_s, uint32_t, H1_4, DO_MLS)
|
|
|
|
|
|
|
|
|
|
DO_ZPZZZ_D(sve_mla_d, uint64_t, DO_MLA)
|
|
|
|
|
DO_ZPZZZ_D(sve_mls_d, uint64_t, DO_MLS)
|
|
|
|
|
|
|
|
|
|
#undef DO_MLA
|
|
|
|
|
#undef DO_MLS
|
|
|
|
|
#undef DO_ZPZZZ
|
|
|
|
|
#undef DO_ZPZZZ_D
|
