summarylogtreecommitdiffstats
path: root/0024-fix-gcc13-binutils.patch
diff options
context:
space:
mode:
Diffstat (limited to '0024-fix-gcc13-binutils.patch')
-rw-r--r--0024-fix-gcc13-binutils.patch59
1 files changed, 59 insertions, 0 deletions
diff --git a/0024-fix-gcc13-binutils.patch b/0024-fix-gcc13-binutils.patch
new file mode 100644
index 000000000000..fd2fcd5792a2
--- /dev/null
+++ b/0024-fix-gcc13-binutils.patch
@@ -0,0 +1,59 @@
+diff --git a/libavcodec/x86/mathops.h b/libavcodec/x86/mathops.h
+index 6298f5e..ca7e2df 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;
+ }