From: Sergey Fedorov <serge.fdrv@gmail.com>
To: Richard Henderson <rth@twiddle.net>, qemu-devel@nongnu.org
Cc: bobby.prani@gmail.com
Subject: Re: [Qemu-devel] [PATCH v2 01/12] Introduce TCGOpcode for fence instruction
Date: Fri, 27 May 2016 13:08:44 +0300 [thread overview]
Message-ID: <57481CAC.4070205@gmail.com> (raw)
In-Reply-To: <1464310815-13554-2-git-send-email-rth@twiddle.net>
On 27/05/16 04:00, Richard Henderson wrote:
> diff --git a/tcg/tcg-opc.h b/tcg/tcg-opc.h
> index 6d0410c..b772d90 100644
> --- a/tcg/tcg-opc.h
> +++ b/tcg/tcg-opc.h
> @@ -42,6 +42,8 @@ DEF(br, 0, 0, 1, TCG_OPF_BB_END)
> # define IMPL64 TCG_OPF_64BIT
> #endif
>
> +DEF(fence, 0, 0, 0, TCG_OPF_SIDE_EFFECTS)
> +
I still think this TCG op needs to have a constant argument of a barrier
type. So that we can distinguish between full, read and write memory
barriers.
Regards,
Sergey
> DEF(mov_i32, 1, 1, 0, TCG_OPF_NOT_PRESENT)
> DEF(movi_i32, 1, 0, 1, TCG_OPF_NOT_PRESENT)
> DEF(setcond_i32, 1, 2, 1, 0)
next prev parent reply other threads:[~2016-05-27 10:08 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-05-27 1:00 [Qemu-devel] [PATCH v2 00/12] tcg: Add fence opcode Richard Henderson
2016-05-27 1:00 ` [Qemu-devel] [PATCH v2 01/12] Introduce TCGOpcode for fence instruction Richard Henderson
2016-05-27 10:08 ` Sergey Fedorov [this message]
2016-05-27 14:16 ` Pranith Kumar
2016-05-27 10:56 ` Lluís Vilanova
2016-05-27 11:05 ` Peter Maydell
2016-05-27 1:00 ` [Qemu-devel] [PATCH v2 02/12] tcg/i386: Add support for fence Richard Henderson
2016-05-27 1:00 ` [Qemu-devel] [PATCH v2 03/12] tcg/aarch64: " Richard Henderson
2016-05-27 5:58 ` Claudio Fontana
2016-05-27 1:00 ` [Qemu-devel] [PATCH v2 04/12] tcg/arm: " Richard Henderson
2016-05-27 1:00 ` [Qemu-devel] [PATCH v2 05/12] tcg/ia64: " Richard Henderson
2016-05-27 1:00 ` [Qemu-devel] [PATCH v2 06/12] tcg/mips: " Richard Henderson
2016-05-30 16:47 ` Aurelien Jarno
2016-05-27 1:00 ` [Qemu-devel] [PATCH v2 07/12] tcg/ppc: " Richard Henderson
2016-05-27 1:00 ` [Qemu-devel] [PATCH v2 08/12] tcg/s390: " Richard Henderson
2016-05-27 1:00 ` [Qemu-devel] [PATCH v2 09/12] tcg/sparc: " Richard Henderson
2016-05-27 1:00 ` [Qemu-devel] [PATCH v2 10/12] tcg/tci: " Richard Henderson
2016-05-27 10:23 ` Sergey Fedorov
2016-05-27 14:17 ` Pranith Kumar
2016-05-27 14:20 ` Sergey Fedorov
2016-05-27 14:21 ` Pranith Kumar
2016-05-27 1:00 ` [Qemu-devel] [PATCH v2 11/12] target-arm: Add frontend support for fence gen in ARMv7 Richard Henderson
2016-05-27 1:00 ` [Qemu-devel] [PATCH v2 12/12] target-alpha: Generate fence opcodes Richard Henderson
2016-05-27 4:20 ` [Qemu-devel] [PATCH v2 00/12] tcg: Add fence opcode Pranith Kumar
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