[FFmpeg-devel] [PATCH] avutil/ppc/cpu: Fix power8 linux detection

Lauri Kasanen cand at gmx.com
Tue Jan 8 11:08:04 EET 2019


The existing code was in no released kernel that I can see. The corrected code
was added in 3.9.

Signed-off-by: Lauri Kasanen <cand at gmx.com>
---
 libavutil/ppc/cpu.c | 10 +++++-----
 1 file changed, 5 insertions(+), 5 deletions(-)

diff --git a/libavutil/ppc/cpu.c b/libavutil/ppc/cpu.c
index 7bb7cd8..b022149 100644
--- a/libavutil/ppc/cpu.c
+++ b/libavutil/ppc/cpu.c
@@ -93,13 +93,13 @@ int ff_get_cpu_flags_ppc(void)
                 if (buf[i + 1] & PPC_FEATURE_HAS_VSX)
                     ret |= AV_CPU_FLAG_VSX;
 #endif
-#ifdef PPC_FEATURE_ARCH_2_07
-                if (buf[i + 1] & PPC_FEATURE_HAS_POWER8)
-                    ret |= AV_CPU_FLAG_POWER8;
-#endif
                 if (ret & AV_CPU_FLAG_VSX)
                     av_assert0(ret & AV_CPU_FLAG_ALTIVEC);
-                goto out;
+            } else if (buf[i] == AT_HWCAP2) {
+#ifdef PPC_FEATURE2_ARCH_2_07
+                if (buf[i + 1] & PPC_FEATURE2_ARCH_2_07)
+                    ret |= AV_CPU_FLAG_POWER8;
+#endif
             }
         }
     }
-- 
2.6.2



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