Fix Altivec detection

Broken in c3ae43c04c

2 files changed, 4 insertions, 2 deletions

diff --git a/news.rst b/news.rst
index 9101278e9..3624280e5 100644
--- a/news.rst
+++ b/news.rst
@@ -35,6 +35,8 @@ Version 2.3.0, Not Yet Released
 * Workaround a GCC 7 bug that caused miscompilation of the GOST-34.11 hash
   function on x86-32. (GH #882 #1148)
 
+* Fix Altivec runtime detection, which was broken starting in Botan 2.1.0
+
 * Silence a Clang warning in create_private_key (GH #1150)
 
 * Fix a bug in FFI tests that caused the test files not to be found when using
diff --git a/src/lib/utils/cpuid.cpp b/src/lib/utils/cpuid.cpp
index 59e8991ab..6645505af 100644
--- a/src/lib/utils/cpuid.cpp
+++ b/src/lib/utils/cpuid.cpp
@@ -84,7 +84,7 @@ uint64_t powerpc_detect_cpu_featutures()
    int error = sysctl(sels, 2, &vector_type, &length, NULL, 0);
 
    if(error == 0 && vector_type > 0)
-      return (1ULL << CPUID::CPUID_ALTIVEC_BIT);
+      return CPUID::CPUID_ALTIVEC_BIT;
 
 #elif defined(BOTAN_TARGET_OS_IS_LINUX) || defined(BOTAN_TARGET_OS_IS_NETBSD)
    /*
@@ -120,7 +120,7 @@ uint64_t powerpc_detect_cpu_featutures()
       pvr == PVR_POWER6 || pvr == PVR_POWER7 || pvr == PVR_POWER8 ||
       pvr == PVR_CELL_PPU)
       {
-      return (1ULL << CPUID::CPUID_ALTIVEC_BIT);
+      return CPUID::CPUID_ALTIVEC_BIT;
       }
 #else
   #warning "No PowerPC feature detection available for this platform"