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Re: [PATCH v2 01/27] memory: add a few defines for octo (128-bit) values
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From: |
Philippe Mathieu-Daudé |
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Subject: |
Re: [PATCH v2 01/27] memory: add a few defines for octo (128-bit) values |
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Date: |
Thu, 7 Oct 2021 10:06:31 +0200 |
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User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:91.0) Gecko/20100101 Thunderbird/91.1.0 |
On 10/6/21 23:28, Frédéric Pétrot wrote:
> Introducing unsigned quad, signed quad, and octo accesses types
> to handle load and store by 128-bit processors.
> This is just a small addition to Richard's patch not yet upstreamed
> https://lore.kernel.org/qemu-devel/20210818191920.390759-24-richard.henderson@linaro.org/
> Note that the patch must be applied first for the rest to compile
>
> Signed-off-by: Frédéric Pétrot <frederic.petrot@univ-grenoble-alpes.fr>
> Co-authored-by: Fabien Portas <fabien.portas@grenoble-inp.org>
> ---
> include/exec/memop.h | 6 ++++++
> 1 file changed, 6 insertions(+)
>
> diff --git a/include/exec/memop.h b/include/exec/memop.h
> index 04264ffd6b..9297f58a39 100644
> --- a/include/exec/memop.h
> +++ b/include/exec/memop.h
> @@ -85,10 +85,13 @@ typedef enum MemOp {
> MO_UB = MO_8,
> MO_UW = MO_16,
> MO_UL = MO_32,
> + MO_UQ = MO_64,
> MO_SB = MO_SIGN | MO_8,
> MO_SW = MO_SIGN | MO_16,
> MO_SL = MO_SIGN | MO_32,
> + MO_SQ = MO_SIGN | MO_64,
> MO_Q = MO_64,
To avoid confusion, I'd rename MO_Q -> MO_UQ in a
previous patch, updating the repository with a simple
sed command from the shell:
$ sed -i '/MO_Q/MO_UQ' $(git grep -lw MO_Q)
> + MO_O = MO_128,
>
> MO_LEUW = MO_LE | MO_UW,
> MO_LEUL = MO_LE | MO_UL,
> @@ -105,9 +108,12 @@ typedef enum MemOp {
> #ifdef NEED_CPU_H
> MO_TEUW = MO_TE | MO_UW,
> MO_TEUL = MO_TE | MO_UL,
> + MO_TEUQ = MO_TE | MO_UQ,
> MO_TESW = MO_TE | MO_SW,
> MO_TESL = MO_TE | MO_SL,
> + MO_TESQ = MO_TE | MO_SQ,
> MO_TEQ = MO_TE | MO_Q,
> + MO_TEO = MO_TE | MO_O,
> #endif
>
> MO_SSIZE = MO_SIZE | MO_SIGN,
>
- [PATCH v2 00/27] Adding partial support for 128-bit riscv target, Frédéric Pétrot, 2021/10/06
- [PATCH v2 01/27] memory: add a few defines for octo (128-bit) values, Frédéric Pétrot, 2021/10/06
- Re: [PATCH v2 01/27] memory: add a few defines for octo (128-bit) values,
Philippe Mathieu-Daudé <=
- [PATCH v2 03/27] target/riscv: adding upper 64 bits for misa, Frédéric Pétrot, 2021/10/06
- [PATCH v2 05/27] target/riscv: additional macros to check instruction support, Frédéric Pétrot, 2021/10/06
- [PATCH v2 04/27] target/riscv: array for the 64 upper bits of 128-bit registers, Frédéric Pétrot, 2021/10/06
- [PATCH v2 02/27] Int128.h: addition of a few 128-bit operations, Frédéric Pétrot, 2021/10/06
- [PATCH v2 06/27] target/riscv: separation of bitwise logic and aritmetic helpers, Frédéric Pétrot, 2021/10/06
- [PATCH v2 09/27] target/riscv: setup everything so that riscv128-softmmu compiles, Frédéric Pétrot, 2021/10/06
- [PATCH v2 07/27] target/riscv: refactoring calls to gen_arith, Frédéric Pétrot, 2021/10/06
- [PATCH v2 08/27] target/riscv: refactoring calls to gen_shift, Frédéric Pétrot, 2021/10/06
- [PATCH v2 10/27] target/riscv: adding accessors to the registers upper part, Frédéric Pétrot, 2021/10/06
- [PATCH v2 11/27] target/riscv: handling 128-bit part in logic/arith/shift gen helpers, Frédéric Pétrot, 2021/10/06