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- Add 0001-avcodec-x86-mathops-clip-constants-used-with-shift-i.patch

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to resolve build failure with binutils >= 2.41. [boo#1215945]

OBS-URL: https://build.opensuse.org/package/show/multimedia:libs/ffmpeg-4?expand=0&rev=199
This commit is contained in:
Jan Engelhardt 2023-10-04 15:27:11 +00:00 committed by Git OBS Bridge
parent ef306a702f
commit 2d71342eca
3 changed files with 83 additions and 0 deletions
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76
0001-avcodec-x86-mathops-clip-constants-used-with-shift-i.patch Normal file
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@ -0,0 +1,76 @@
From effadce6c756247ea8bae32dc13bb3e6f464f0eb Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= <remi@remlab.net>
Date: Sun, 16 Jul 2023 18:18:02 +0300
Subject: [PATCH] avcodec/x86/mathops: clip constants used with shift
instructions within inline assembly
Fixes assembling with binutil as >= 2.41
Signed-off-by: James Almer <jamrial@gmail.com>
---
libavcodec/x86/mathops.h | 26 +++++++++++++++++++++++---
1 file changed, 23 insertions(+), 3 deletions(-)
diff --git a/libavcodec/x86/mathops.h b/libavcodec/x86/mathops.h
index 6298f5ed19..ca7e2dffc1 100644
--- a/libavcodec/x86/mathops.h
+++ b/libavcodec/x86/mathops.h
@@ -35,12 +35,20 @@
static av_always_inline av_const int MULL(int a, int b, unsigned shift)
{
int rt, dummy;
+ if (__builtin_constant_p(shift))
__asm__ (
"imull %3 \n\t"
"shrdl %4, %%edx, %%eax \n\t"
:"=a"(rt), "=d"(dummy)
- :"a"(a), "rm"(b), "ci"((uint8_t)shift)
+ :"a"(a), "rm"(b), "i"(shift & 0x1F)
);
+ else
+ __asm__ (
+ "imull %3 \n\t"
+ "shrdl %4, %%edx, %%eax \n\t"
+ :"=a"(rt), "=d"(dummy)
+ :"a"(a), "rm"(b), "c"((uint8_t)shift)
+ );
return rt;
}
@@ -113,19 +121,31 @@ __asm__ volatile(\
// avoid +32 for shift optimization (gcc should do that ...)
#define NEG_SSR32 NEG_SSR32
static inline int32_t NEG_SSR32( int32_t a, int8_t s){
+ if (__builtin_constant_p(s))
__asm__ ("sarl %1, %0\n\t"
: "+r" (a)
- : "ic" ((uint8_t)(-s))
+ : "i" (-s & 0x1F)
);
+ else
+ __asm__ ("sarl %1, %0\n\t"
+ : "+r" (a)
+ : "c" ((uint8_t)(-s))
+ );
return a;
}
#define NEG_USR32 NEG_USR32
static inline uint32_t NEG_USR32(uint32_t a, int8_t s){
+ if (__builtin_constant_p(s))
__asm__ ("shrl %1, %0\n\t"
: "+r" (a)
- : "ic" ((uint8_t)(-s))
+ : "i" (-s & 0x1F)
);
+ else
+ __asm__ ("shrl %1, %0\n\t"
+ : "+r" (a)
+ : "c" ((uint8_t)(-s))
+ );
return a;
}
--
2.42.0

6
ffmpeg-4.changes
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@ -1,3 +1,9 @@
-------------------------------------------------------------------
Wed Oct 4 15:15:56 UTC 2023 - Jan Engelhardt <jengelh@inai.de>
- Add 0001-avcodec-x86-mathops-clip-constants-used-with-shift-i.patch
to resolve build failure with binutils >= 2.41. [boo#1215945]
-------------------------------------------------------------------
Tue Jun 27 07:42:23 UTC 2023 - Jan Engelhardt <jengelh@inai.de>

1
ffmpeg-4.spec
View File

@ -121,6 +121,7 @@ Patch9: ffmpeg-4.4-CVE-2020-22046.patch
Patch10: ffmpeg-chromium.patch
Patch11: ffmpeg-libglslang-detection.patch
Patch12: 0001-avcodec-libsvtav1-remove-compressed_ten_bit_format-a.patch
Patch13: 0001-avcodec-x86-mathops-clip-constants-used-with-shift-i.patch
BuildRequires: ladspa-devel
BuildRequires: libgsm-devel
BuildRequires: libmp3lame-devel