diff options
Diffstat (limited to 'sha.cpp')
| -rw-r--r-- | sha.cpp | 7 |
1 files changed, 4 insertions, 3 deletions
@@ -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;
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