Re: [Qemu-devel] [PATCH v5 08/10] tests/tcg: target/mips: Add wrappers for some MIPS64R6 instructions

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 3/1/19 8:18 PM, Aleksandar Markovic wrote:
> From: Aleksandar Markovic <amarkovic@wavecomp.com>
> 
> Add wrappers for some MIPS64R6 instructions.
> 
> Signed-off-by: Aleksandar Markovic <amarkovic@wavecomp.com>
> ---
>  tests/tcg/mips/include/wrappers_mips64r6.h | 64 ++++++++++++++++++++++++++++++
>  1 file changed, 64 insertions(+)
>  create mode 100644 tests/tcg/mips/include/wrappers_mips64r6.h
> 
> diff --git a/tests/tcg/mips/include/wrappers_mips64r6.h b/tests/tcg/mips/include/wrappers_mips64r6.h
> new file mode 100644
> index 0000000..c9c34aa
> --- /dev/null
> +++ b/tests/tcg/mips/include/wrappers_mips64r6.h
> @@ -0,0 +1,64 @@
> +/*
> + *  Header file for wrappers around MIPS64R6 instructions assembler
> + *  invocations
> + *
> + *  Copyright (C) 2019  Wave Computing, Inc.
> + *  Copyright (C) 2019  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_MIPS64R6_H
> +#define WRAPPERS_MIPS64R6_H
> +
> +
> +#define DO_MIPS64R6__RD__RS(suffix, mnemonic)                          \
> +static inline void do_mips64r6_##suffix(void *input, void *output)     \

'const void *input'

> +{                                                                      \
> +   __asm__ volatile (                                                  \
> +      "ld $t1, 0(%0)\n\t"                                              \
> +      #mnemonic " $t0, $t1\n\t"                                        \
> +      "sd $t0, 0(%1)\n\t"                                              \
> +      :                                                                \
> +      : "r" (input), "r" (output)                                      \
> +      : "t0", "t1", "memory"                                           \
> +   );                                                                  \
> +}
> +
> +DO_MIPS64R6__RD__RS(DCLO, dclo)
> +DO_MIPS64R6__RD__RS(DCLZ, dclz)
> +DO_MIPS64R6__RD__RS(BITSWAP, bitswap)
> +DO_MIPS64R6__RD__RS(DBITSWAP, dbitswap)
> +
> +
> +#define DO_MIPS64R6__RD__RS_RT(suffix, mnemonic)                       \
> +static inline void do_mips64r6_##suffix(void *input1, void *input2,    \

'const void *input1, const void *input2'

> +                                        void *output)                  \
> +{                                                                      \
> +   __asm__ volatile (                                                  \
> +      "ld $t1, 0(%0)\n\t"                                              \
> +      "ld $t2, 0(%1)\n\t"                                              \
> +      #mnemonic " $t0, $t1, $t2\n\t"                                   \
> +      "sd $t0, 0(%2)\n\t"                                              \
> +      :                                                                \
> +      : "r" (input1), "r" (input2), "r" (output)                       \
> +      : "t0", "t1", "memory"                                           \
> +   );                                                                  \
> +}
> +
> +DO_MIPS64R6__RD__RS_RT(DSLLV, dsllv)
> +
> +
> +#endif
>