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author | Glenn Randers-Pehrson <glennrp at users.sourceforge.net> | 2015-04-29 11:30:35 -0500 |
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committer | Glenn Randers-Pehrson <glennrp at users.sourceforge.net> | 2015-04-29 11:30:35 -0500 |
commit | 216ab049944b7865f86e50d16b1058c4f95b2103 (patch) | |
tree | 3d28a650b4a0f93419f062b2ab444d428e3ae77d /pngpriv.h | |
parent | e0f0d05938c67c28b5eb48da691a468a73e3f5a0 (diff) | |
download | libpng-216ab049944b7865f86e50d16b1058c4f95b2103.tar.gz |
[libpng16] Updated comment in pngpriv.h about ARM support.
Diffstat (limited to 'pngpriv.h')
-rw-r--r-- | pngpriv.h | 8 |
1 files changed, 6 insertions, 2 deletions
@@ -118,8 +118,12 @@ * to compile with an appropriate #error if ALIGNED_MEMORY has been turned * off. * - * Note that gcc-4.9 defines __ARM_NEON instead of __ARM_NEON__, so we - * check both variants. + * Note that gcc-4.9 defines __ARM_NEON instead of the deprecated + * __ARM_NEON__, so we check both variants. + * + * To disable ARM_NEON optimizations entirely, and skip compiling the + * associated assembler code, pass --enable-arm-neon=no to configure + * or put -DPNG_ARM_NEON_OPT=0 in CPPFLAGS. */ # if (defined(__ARM_NEON__) || defined(__ARM_NEON)) && \ defined(PNG_ALIGNED_MEMORY_SUPPORTED) |