ppc: Recognize the PPC VSX and Power8 CPU flags

Signed-off-by: Brad Smith <brad@comstyle.com>

libavutil/cpu.c

@@ -120,6 +120,8 @@ int av_parse_cpu_caps(unsigned *flags, const char *s)
         { "flags"   , NULL, 0, AV_OPT_TYPE_FLAGS, { .i64 = 0 }, INT64_MIN, INT64_MAX, .unit = "flags" },
 #if   ARCH_PPC
         { "altivec" , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_ALTIVEC  },    .unit = "flags" },
+        { "vsx"     , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_VSX      },    .unit = "flags" },
+        { "power8"  , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_POWER8   },    .unit = "flags" },
 #elif ARCH_X86
         { "mmx"     , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_MMX      },    .unit = "flags" },
         { "mmx2"    , NULL, 0, AV_OPT_TYPE_CONST, { .i64 = AV_CPU_FLAG_MMX2     },    .unit = "flags" },

libavutil/tests/cpu.c

@@ -57,6 +57,8 @@ static const struct {
     { AV_CPU_FLAG_SETEND,    "setend"     },
 #elif ARCH_PPC
     { AV_CPU_FLAG_ALTIVEC,   "altivec"    },
+    { AV_CPU_FLAG_VSX,       "vsx"        },
+    { AV_CPU_FLAG_POWER8,    "power8"     },
 #elif ARCH_MIPS
     { AV_CPU_FLAG_MMI,       "mmi"        },
     { AV_CPU_FLAG_MSA,       "msa"        },