From: Reimar.Doeffinger@gmx.de
To: ffmpeg-devel@ffmpeg.org
Cc: "Reimar Döffinger" <Reimar.Doeffinger@gmx.de>
Subject: [FFmpeg-devel] [PATCH 2/3] libavutil/aarch64/cpu.c: HWCAPS requires inline asm support.
Date: Sun, 29 Oct 2023 18:56:56 +0100
Message-ID: <20231029175657.46386-2-Reimar.Doeffinger@gmx.de> (raw)
In-Reply-To: <20231029175657.46386-1-Reimar.Doeffinger@gmx.de>
From: Reimar Döffinger <Reimar.Doeffinger@gmx.de>
Fixes compilation with tcc, which does not have aarch64
inline asm support.
---
libavutil/aarch64/cpu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavutil/aarch64/cpu.c b/libavutil/aarch64/cpu.c
index bd780e8591..0d7c1e268d 100644
--- a/libavutil/aarch64/cpu.c
+++ b/libavutil/aarch64/cpu.c
@@ -34,7 +34,7 @@ static int detect_flags(void)
hwcap = getauxval(AT_HWCAP);
-#if defined(HWCAP_CPUID)
+#if defined(HWCAP_CPUID) && HAVE_INLINE_ASM
// We can check for DOTPROD and I8MM using HWCAP_ASIMDDP and
// HWCAP2_I8MM too, avoiding to read the CPUID registers (which triggers
// a trap, handled by the kernel). However the HWCAP_* defines for these
--
2.39.3 (Apple Git-145)
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next prev parent reply other threads:[~2023-10-29 17:57 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-10-29 17:56 [FFmpeg-devel] [PATCH 1/3] configure: fix _Pragma check Reimar.Doeffinger
2023-10-29 17:56 ` Reimar.Doeffinger [this message]
2023-10-29 20:49 ` [FFmpeg-devel] [PATCH 2/3] libavutil/aarch64/cpu.c: HWCAPS requires inline asm support Martin Storsjö
2023-10-29 17:56 ` [FFmpeg-devel] [PATCH 3/3] libavutil/log.c: only include valgrind header when used Reimar.Doeffinger
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