Update comments

1 files changed, 4 insertions, 3 deletions

diff --git a/sha.cpp b/sha.cpp
index 4f465532..cde7e8da 100644
--- a/sha.cpp
+++ b/sha.cpp
@@ -176,9 +176,10 @@ ANONYMOUS_NAMESPACE_BEGIN
 inline unsigned int CryptogamsArmCaps()

 {

     // The Cryptogams code uses a global variable named CRYPTOGAMS_armcaps

-    // for capabilities like ARMv7 and NEON. Storage is allocated in the

-    // module. We still need to set CRYPTOGAMS_armcaps accordingly.

-    // The Cryptogams code defines NEON as 1<<0; see ARMV7_NEON.

+    // for capabilities like ARMv7 and NEON. We allocate storage for

+    // CRYPTOGAMS_armcaps, and the Cryptogams modules use our symbol.

+    // The Cryptogams code defines ARMV7_NEON as 1<<0, so we need to

+    // set the bits accordingly in CRYPTOGAMS_armcaps.

     *const_cast<volatile unsigned int*>(&CRYPTOGAMS_armcaps) = CryptoPP::HasNEON() ? (1<<0) : 0;

 

     return CRYPTOGAMS_armcaps;