1 files changed, 8 insertions, 4 deletions
diff --git a/src/mesa/main/imports.c b/src/mesa/main/imports.c
index 30fa55997ef..c9e00cf7528 100644
--- a/src/mesa/main/imports.c
+++ b/src/mesa/main/imports.c
@@ -108,8 +108,8 @@ _mesa_align_malloc(size_t bytes, unsigned long alignment)
 {
 #if defined(HAVE_POSIX_MEMALIGN)
    void *mem;
-
-   (void) posix_memalign(& mem, alignment, bytes);
+   int err = posix_memalign(& mem, alignment, bytes);
+   (void) err;
    return mem;
 #elif defined(_WIN32) && defined(_MSC_VER)
    return _aligned_malloc(bytes, alignment);
@@ -629,11 +629,15 @@ _mesa_ffsll(int64_t val)
 unsigned int
 _mesa_bitcount(unsigned int n)
 {
+#if defined(__GNUC__)
+   return __builtin_popcount(n);
+#else
    unsigned int bits;
    for (bits = 0; n > 0; n = n >> 1) {
       bits += (n & 1);
    }
    return bits;
+#endif
 }
 
 
@@ -934,9 +938,9 @@ _mesa_str_checksum(const char *str)
    unsigned int sum, i;
    const char *c;
    sum = i = 1;
-   for (c = str; *c; c++)
+   for (c = str; *c; c++, i++)
       sum += *c * (i % 100);
-   return sum;
+   return sum + i;
 }