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ffmpeg: fix building with binutils 2.41
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2 changed files with 74 additions and 1 deletions
73
srcpkgs/ffmpeg/patches/binutils-2.41.patch
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73
srcpkgs/ffmpeg/patches/binutils-2.41.patch
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@ -0,0 +1,73 @@
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From effadce6c756247ea8bae32dc13bb3e6f464f0eb Mon Sep 17 00:00:00 2001
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From: =?UTF-8?q?R=C3=A9mi=20Denis-Courmont?= <remi@remlab.net>
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Date: Sun, 16 Jul 2023 18:18:02 +0300
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Subject: [PATCH] avcodec/x86/mathops: clip constants used with shift
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instructions within inline assembly
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Fixes assembling with binutil as >= 2.41
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Signed-off-by: James Almer <jamrial@gmail.com>
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---
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libavcodec/x86/mathops.h | 26 +++++++++++++++++++++++---
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1 file changed, 23 insertions(+), 3 deletions(-)
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diff --git a/libavcodec/x86/mathops.h b/libavcodec/x86/mathops.h
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index 6298f5ed1983b..ca7e2dffc1076 100644
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--- a/libavcodec/x86/mathops.h
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+++ b/libavcodec/x86/mathops.h
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@@ -35,12 +35,20 @@
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static av_always_inline av_const int MULL(int a, int b, unsigned shift)
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{
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int rt, dummy;
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+ if (__builtin_constant_p(shift))
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__asm__ (
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"imull %3 \n\t"
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"shrdl %4, %%edx, %%eax \n\t"
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:"=a"(rt), "=d"(dummy)
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- :"a"(a), "rm"(b), "ci"((uint8_t)shift)
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+ :"a"(a), "rm"(b), "i"(shift & 0x1F)
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);
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+ else
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+ __asm__ (
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+ "imull %3 \n\t"
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+ "shrdl %4, %%edx, %%eax \n\t"
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+ :"=a"(rt), "=d"(dummy)
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+ :"a"(a), "rm"(b), "c"((uint8_t)shift)
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+ );
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return rt;
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}
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@@ -113,19 +121,31 @@ __asm__ volatile(\
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// avoid +32 for shift optimization (gcc should do that ...)
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#define NEG_SSR32 NEG_SSR32
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static inline int32_t NEG_SSR32( int32_t a, int8_t s){
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+ if (__builtin_constant_p(s))
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__asm__ ("sarl %1, %0\n\t"
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: "+r" (a)
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- : "ic" ((uint8_t)(-s))
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+ : "i" (-s & 0x1F)
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);
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+ else
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+ __asm__ ("sarl %1, %0\n\t"
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+ : "+r" (a)
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+ : "c" ((uint8_t)(-s))
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+ );
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return a;
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}
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#define NEG_USR32 NEG_USR32
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static inline uint32_t NEG_USR32(uint32_t a, int8_t s){
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+ if (__builtin_constant_p(s))
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__asm__ ("shrl %1, %0\n\t"
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: "+r" (a)
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- : "ic" ((uint8_t)(-s))
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+ : "i" (-s & 0x1F)
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);
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+ else
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+ __asm__ ("shrl %1, %0\n\t"
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+ : "+r" (a)
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+ : "c" ((uint8_t)(-s))
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+ );
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return a;
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}
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@ -2,7 +2,7 @@
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# audacity also needs to be bumped when a new ffmpeg version bumps libavformat's soname!
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pkgname=ffmpeg
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version=4.4.4
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revision=5
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revision=6
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short_desc="Decoding, encoding and streaming software"
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maintainer="Orphaned <orphan@voidlinux.org>"
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license="GPL-3.0-or-later"
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