From: "Martin Storsjö" <martin@martin.st>
To: FFmpeg development discussions and patches <ffmpeg-devel@ffmpeg.org>
Subject: Re: [FFmpeg-devel] [PATCH 2/6] checkasm/takdsp: add decorrelate_sr test
Date: Fri, 22 Dec 2023 11:47:51 +0200 (EET)
Message-ID: <3535b8e5-e2b-6a9f-3233-b36c2039fca0@martin.st> (raw)
In-Reply-To: <CAEa-L+vXvgvtE_tKuSoA_Zvmx2jSMFMTCaPiQ3iur7vkc-uSMA@mail.gmail.com>
On Mon, 18 Dec 2023, flow gg wrote:
>
> +static void test_decorrelate_sr(TAKDSPContext *s) {
> +#define BUF_SIZE 1024
> + declare_func(void, int32_t *, int32_t *, int);
> +
> + if (check_func(s->decorrelate_sr, "decorrelate_sr")) {
> + LOCAL_ALIGNED_32(int32_t, p1, [BUF_SIZE]);
> + LOCAL_ALIGNED_32(int32_t, p2, [BUF_SIZE]);
> + LOCAL_ALIGNED_32(int32_t, p2_2, [BUF_SIZE]);
> +
> + randomize(p1, BUF_SIZE);
> + randomize(p2, BUF_SIZE);
> + memcpy(p2_2, p2, BUF_SIZE);
> +
> + call_ref(p1, p2, BUF_SIZE);
> + call_new(p1, p2_2, BUF_SIZE);
> +
> + if (memcmp(p2, p2_2, BUF_SIZE) != 0){
> + fail();
> + }
This function mutates p1, not p2, so p1 is the one that needs to be copied
and checked, and memcpy/memcmp need a *sizeof().
// Martin
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prev parent reply other threads:[~2023-12-22 9:48 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-12-18 15:14 flow gg
2023-12-22 9:47 ` Martin Storsjö [this message]
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