libavutil/ppc: defines involving bit shifts should be unsigned

Otherwise, these can overflow at the boundaries of the integer type. Signed-off-by: Brad Smith <[email protected]> (cherry picked from commit c325f9c) Signed-off-by: Brad Smith <[email protected]>
FFmpeg · Nov 27, 2024 · 0c641ee · 0c641ee
1 parent ac4c725
commit 0c641ee
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/libavutil/ppc/cpu.c b/libavutil/ppc/cpu.c
@@ -53,9 +53,9 @@
 #define AT_HWCAP2            26
 #endif
 
-#define HWCAP_PPC_VSX        (1 << 7)
-#define HWCAP_PPC_ALTIVEC    (1 << 28)
-#define HWCAP2_PPC_ARCH_2_07 (1 << 31)
+#define HWCAP_PPC_VSX        (1U << 7)
+#define HWCAP_PPC_ALTIVEC    (1U << 28)
+#define HWCAP2_PPC_ARCH_2_07 (1U << 31)
 
 /**
  * This function MAY rely on signal() or fork() in order to make sure AltiVec