2014-11-03 21:36:36 +00:00
|
|
|
diff --git a/configure.ac b/configure.ac
|
2015-08-03 08:27:39 +00:00
|
|
|
index 4fb0778..930bf50 100644
|
2014-11-03 21:36:36 +00:00
|
|
|
--- a/configure.ac
|
|
|
|
|
+++ b/configure.ac
|
|
|
|
|
@@ -283,17 +283,21 @@ AC_ARG_ENABLE([arm-neon],
|
|
|
|
|
[case "$enableval" in
|
|
|
|
|
no|off)
|
|
|
|
|
# disable the default enabling on __ARM_NEON__ systems:
|
|
|
|
|
+ AC_DEFINE([PNG_ARM_NEON], [], [ARM NEON support])
|
|
|
|
|
AC_DEFINE([PNG_ARM_NEON_OPT], [0],
|
|
|
|
|
[Disable ARM Neon optimizations])
|
|
|
|
|
# Prevent inclusion of the assembler files below:
|
|
|
|
|
enable_arm_neon=no;;
|
|
|
|
|
check)
|
|
|
|
|
+ AC_DEFINE([PNG_ARM_NEON], [], [ARM NEON support])
|
|
|
|
|
AC_DEFINE([PNG_ARM_NEON_CHECK_SUPPORTED], [],
|
|
|
|
|
[Check for ARM Neon support at run-time]);;
|
|
|
|
|
api)
|
|
|
|
|
+ AC_DEFINE([PNG_ARM_NEON], [], [ARM NEON support])
|
|
|
|
|
AC_DEFINE([PNG_ARM_NEON_API_SUPPORTED], [],
|
|
|
|
|
[Turn on ARM Neon optimizations at run-time]);;
|
|
|
|
|
yes|on)
|
|
|
|
|
+ AC_DEFINE([PNG_ARM_NEON], [], [ARM NEON support])
|
|
|
|
|
AC_DEFINE([PNG_ARM_NEON_OPT], [2],
|
|
|
|
|
[Enable ARM Neon optimizations])
|
|
|
|
|
AC_MSG_WARN([--enable-arm-neon: please specify 'check' or 'api', if]
|
|
|
|
|
diff --git a/pngpriv.h b/pngpriv.h
|
2015-08-03 08:27:39 +00:00
|
|
|
index 1997503..789206f 100644
|
2014-11-03 21:36:36 +00:00
|
|
|
--- a/pngpriv.h
|
|
|
|
|
+++ b/pngpriv.h
|
2015-08-03 08:27:39 +00:00
|
|
|
@@ -125,7 +125,7 @@
|
|
|
|
|
* associated assembler code, pass --enable-arm-neon=no to configure
|
|
|
|
|
* or put -DPNG_ARM_NEON_OPT=0 in CPPFLAGS.
|
2014-11-03 21:36:36 +00:00
|
|
|
*/
|
|
|
|
|
-# if (defined(__ARM_NEON__) || defined(__ARM_NEON)) && \
|
|
|
|
|
+# if defined(PNG_ARM_NEON) && (defined(__ARM_NEON__) || defined(__ARM_NEON)) && \
|
|
|
|
|
defined(PNG_ALIGNED_MEMORY_SUPPORTED)
|
|
|
|
|
# define PNG_ARM_NEON_OPT 2
|
|
|
|
|
# else
|
