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File avidemux3.patch of Package avidemux3 (Revision 60)
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--- a/avidemux_core/ffmpeg_package/patches/libavcodec_mathops.h.patch +++ b/avidemux_core/ffmpeg_package/patches/libavcodec_mathops.h.patch @@ -11,3 +11,74 @@ #define MAX_NEG_CROP 1024 +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: 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(-) + +--- libavcodec/x86/mathops.h ++++ 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; + } +
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