Mesa (master): util: fix -Wshift-count-overflow warning

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Module: Mesa
Branch: master
Commit: 5195a30d27ade4aabd3aa40b2dd9ac30e34a9e3c
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=5195a30d27ade4aabd3aa40b2dd9ac30e34a9e3c

Author: Michel Zou <xantares09 at hotmail.com>
Date:   Sat Oct 31 13:18:30 2020 +0100

util: fix -Wshift-count-overflow warning

Reviewed-by: Jose Fonseca <jfonseca at vmware.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/7392>

---

 src/util/u_thread.h | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/src/util/u_thread.h b/src/util/u_thread.h
index bdfb05e158c..428ced09856 100644
--- a/src/util/u_thread.h
+++ b/src/util/u_thread.h
@@ -170,8 +170,9 @@ util_set_thread_affinity(thrd_t thread,
       memset(old_mask, 0, num_mask_bits / 32);
 
       old_mask[0] = m;
-      if (sizeof(m) > 4)
-         old_mask[1] = m >> 32;
+#ifdef _WIN64
+      old_mask[1] = m >> 32;
+#endif
    }
 
    return true;