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authorjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-04-28 07:38:20 +0200
committerjanekptacijarabaci <janekptacijarabaci@seznam.cz>2018-04-28 07:38:20 +0200
commit6b2bba06b433fb75979ab6daf7bbe8bc76c53875 (patch)
tree75803b4683889e6e0d2a3faef30415db3ff7b3ba /media/ffvpx/libavutil/x86/cpu.c
parent72def35cd0cf3649b6d7ab72b66117df3e1c33fc (diff)
parentc75dae3ed21bfa5a8ae46cd83d18329af5bea05a (diff)
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Merge branch 'master' of https://github.com/MoonchildProductions/UXP into pm_url_1
Diffstat (limited to 'media/ffvpx/libavutil/x86/cpu.c')
-rw-r--r--media/ffvpx/libavutil/x86/cpu.c37
1 files changed, 35 insertions, 2 deletions
diff --git a/media/ffvpx/libavutil/x86/cpu.c b/media/ffvpx/libavutil/x86/cpu.c
index f3a49c677..f33088c8c 100644
--- a/media/ffvpx/libavutil/x86/cpu.c
+++ b/media/ffvpx/libavutil/x86/cpu.c
@@ -28,7 +28,7 @@
#include "libavutil/cpu.h"
#include "libavutil/cpu_internal.h"
-#if HAVE_YASM
+#if HAVE_X86ASM
#define cpuid(index, eax, ebx, ecx, edx) \
ff_cpu_cpuid(index, &eax, &ebx, &ecx, &edx)
@@ -66,7 +66,7 @@
#define cpuid_test() 1
-#elif HAVE_YASM
+#elif HAVE_X86ASM
#define cpuid_test ff_cpu_cpuid_test
@@ -221,9 +221,42 @@ int ff_get_cpu_flags_x86(void)
* functions on the Atom. */
if (family == 6 && model == 28)
rval |= AV_CPU_FLAG_ATOM;
+
+ /* Conroe has a slow shuffle unit. Check the model number to ensure not
+ * to include crippled low-end Penryns and Nehalems that lack SSE4. */
+ if ((rval & AV_CPU_FLAG_SSSE3) && !(rval & AV_CPU_FLAG_SSE4) &&
+ family == 6 && model < 23)
+ rval |= AV_CPU_FLAG_SSSE3SLOW;
}
#endif /* cpuid */
return rval;
}
+
+size_t ff_get_cpu_max_align_x86(void)
+{
+ int flags = av_get_cpu_flags();
+
+ if (flags & (AV_CPU_FLAG_AVX2 |
+ AV_CPU_FLAG_AVX |
+ AV_CPU_FLAG_XOP |
+ AV_CPU_FLAG_FMA4 |
+ AV_CPU_FLAG_FMA3 |
+ AV_CPU_FLAG_AVXSLOW))
+ return 32;
+ if (flags & (AV_CPU_FLAG_AESNI |
+ AV_CPU_FLAG_SSE42 |
+ AV_CPU_FLAG_SSE4 |
+ AV_CPU_FLAG_SSSE3 |
+ AV_CPU_FLAG_SSE3 |
+ AV_CPU_FLAG_SSE2 |
+ AV_CPU_FLAG_SSE |
+ AV_CPU_FLAG_ATOM |
+ AV_CPU_FLAG_SSSE3SLOW |
+ AV_CPU_FLAG_SSE3SLOW |
+ AV_CPU_FLAG_SSE2SLOW))
+ return 16;
+
+ return 8;
+}