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tests/tcg: target/mips: Add wrappers for MSA bit counting instructions 

Add a header that contains wrappers around MSA instructions assembler
invocations. For now, only bit counting instructions (NLOC, NLZC, and
PCNT; each in four data format flavors) are supported.

Reviewed-by: Aleksandar Rikalo <arikalo@wavecomp.com>
Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
This commit is contained in:
Aleksandar Markovic 2019-02-12 18:01:44 +01:00
parent 08857c882d
commit 85c2a39300
1 changed files with 57 additions and 0 deletions
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tests/tcg/mips/include/wrappers_msa.h Normal file
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/*
* Header file for wrappers around MSA instructions assembler invocations
*
* Copyright (C) 2018 Wave Computing, Inc.
* Copyright (C) 2018 Aleksandar Markovic <amarkovic@wavecomp.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
#ifndef WRAPPERS_MSA_H
#define WRAPPERS_MSA_H
#define DO_MSA__WD__WS(suffix, mnemonic) \
static inline void do_msa_##suffix(void *input, void *output) \
{ \
__asm__ volatile ( \
"move $t0, %0\n\t" \
"ld.d $w11, 0($t0)\n\t" \
#mnemonic " $w10, $w11\n\t" \
"move $t0, %1\n\t" \
"st.d $w10, 0($t0)\n\t" \
: \
: "r" (input), "r" (output) \
: "t0", "memory" \
); \
}
DO_MSA__WD__WS(NLOC_B, nloc.b)
DO_MSA__WD__WS(NLOC_H, nloc.h)
DO_MSA__WD__WS(NLOC_W, nloc.w)
DO_MSA__WD__WS(NLOC_D, nloc.d)
DO_MSA__WD__WS(NLZC_B, nlzc.b)
DO_MSA__WD__WS(NLZC_H, nlzc.h)
DO_MSA__WD__WS(NLZC_W, nlzc.w)
DO_MSA__WD__WS(NLZC_D, nlzc.d)
DO_MSA__WD__WS(PCNT_B, pcnt.b)
DO_MSA__WD__WS(PCNT_H, pcnt.h)
DO_MSA__WD__WS(PCNT_W, pcnt.w)
DO_MSA__WD__WS(PCNT_D, pcnt.d)
#endif