Disable ARM SIMD and NEON by default for now (bug #4365 -- prev. patc…

…h was incomplete.)
libsdl-org · Jul 5, 2020 · 7bf353e · 7bf353e
1 parent 5c01b86
commit 7bf353e
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Showing 2 changed files with 6 additions and 6 deletions.
diff --git a/configure b/configure
@@ -1694,8 +1694,8 @@ Optional Features:
   --enable-mintaudio      support Atari audio driver [default=yes]
   --enable-nasm           use nasm assembly blitters on x86 [default=yes]
   --enable-altivec        use altivec assembly blitters on PPC [default=yes]
-  --enable-arm-simd       use SIMD assembly blitters on ARM [default=yes]
-  --enable-arm-neon       use NEON assembly blitters on ARM [default=yes]
+  --enable-arm-simd       use SIMD assembly blitters on ARM [default=no]
+  --enable-arm-neon       use NEON assembly blitters on ARM [default=no]
   --enable-ipod           configure SDL to work with iPodLinux [default=no]
   --enable-video-nanox    use nanox video driver [default=no]
   --enable-nanox-debug    print debug messages [default=no]
@@ -23299,7 +23299,7 @@ CheckNEON()
 if test "${enable_arm_neon+set}" = set; then
   enableval=$enable_arm_neon; enable_arm_neon=$enableval
 else
-  enable_arm_neon=yes
+  enable_arm_neon=no
 fi
 
     if test x$enable_video = xyes -a x$enable_assembly = xyes -a x$enable_arm_neon = xyes; then

diff --git a/configure.in b/configure.in
@@ -897,7 +897,7 @@ dnl Check for ARM instruction support using gas syntax
 CheckARM()
 {
     AC_ARG_ENABLE(arm-simd,
-AC_HELP_STRING([--enable-arm-simd], [use SIMD assembly blitters on ARM [[default=yes]]]),
+AC_HELP_STRING([--enable-arm-simd], [use SIMD assembly blitters on ARM [[default=no]]]),
                   enable_arm_simd=$enableval, enable_arm_simd=no)
     if test x$enable_video = xyes -a x$enable_assembly = xyes -a x$enable_arm_simd = xyes; then
         save_CFLAGS="$CFLAGS"
@@ -933,8 +933,8 @@ dnl Check for ARM NEON instruction support using gas syntax
 CheckNEON()
 {
     AC_ARG_ENABLE(arm-neon,
-AC_HELP_STRING([--enable-arm-neon], [use NEON assembly blitters on ARM [[default=yes]]]),
-                  enable_arm_neon=$enableval, enable_arm_neon=yes)
+AC_HELP_STRING([--enable-arm-neon], [use NEON assembly blitters on ARM [[default=no]]]),
+                  enable_arm_neon=$enableval, enable_arm_neon=no)
     if test x$enable_video = xyes -a x$enable_assembly = xyes -a x$enable_arm_neon = xyes; then
         save_CFLAGS="$CFLAGS"
         have_arm_neon=no