diff options
Diffstat (limited to 'user/thunderbird/BTS-1074.patch')
| -rw-r--r-- | user/thunderbird/BTS-1074.patch | 62 |
1 files changed, 0 insertions, 62 deletions
diff --git a/user/thunderbird/BTS-1074.patch b/user/thunderbird/BTS-1074.patch deleted file mode 100644 index ac851038d..000000000 --- a/user/thunderbird/BTS-1074.patch +++ /dev/null @@ -1,62 +0,0 @@ -gas(1) under binutils-2.41 no longer allows invalid negative shifts. - -This patch fixes the bundled FFmpeg in Thunderbird to not use them. - ---- thunderbird-91.13.0/media/ffvpx/libavcodec/x86/mathops.h.old 2023-10-03 22:15:24.440738743 -0500 -+++ thunderbird-91.13.0/media/ffvpx/libavcodec/x86/mathops.h 2023-10-03 22:15:41.458911245 -0500 -@@ -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 @@ - // 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; - } - |