From: "Martin Storsjö via ffmpeg-devel" <ffmpeg-devel@ffmpeg.org>
To: Jiawei <jiawei@iscas.ac.cn>
Cc: ffmpeg-devel@ffmpeg.org, "Martin Storsjö" <martin@martin.st>
Subject: [FFmpeg-devel] Re: [PATCH] gcc:Allow RISC-V port with '-ftree-vectorize'.
Date: Tue, 26 Aug 2025 14:46:20 +0300 (EEST)
Message-ID: <7f8222da-dcb1-6624-db1b-73c02daea1b0@martin.st> (raw)
In-Reply-To: <20250826102400.1915408-1-jiawei@iscas.ac.cn>
Hi,
On Tue, 26 Aug 2025, Jiawei wrote:
> This patch modifies the GCC configure script to enable the '-ftree-vectorize'
> optimization flag by default for the RISC-V architecture, aligning it with
> other well-tested architectures like x86, ARM, and AArch64.
>
> ---
> configure | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
Ok with me, assuming that you've tested with GCC 13, 14, 15, with
configurations where GCC actually does do vectorization (presumably with
RVA in the -march baseline). (If there are bugs in e.g. GCC 13 which is
fixed in 14 or 15, we can of course also adjust the version criteria per
architecture.)
// Martin
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parent reply other threads:[~2025-08-26 11:47 UTC|newest]
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