forked from enlightenment/efl
ok - i think this can double-check if neon code can be compiled at all.
SVN revision: 49960
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e502081fa3
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@ -1021,21 +1021,36 @@ case $host_cpu in
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esac
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AC_MSG_CHECKING(whether to build neon code)
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AC_ARG_ENABLE(cpu-neon,
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AC_HELP_STRING([--enable-cpu-neon], [enable neon code]),
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AC_HELP_STRING([--enable-cpu-neon], [enable neon code - with gcc you will need these CFLAGS for it to begin to work, and even then your gcc may have broken or non-existant support: -mcpu=cortex-a8 -mfloat-abi=softfp -mfpu=neon]),
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[
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if test "x$enableval" = "xyes" ; then
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AC_MSG_RESULT(yes)
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AC_DEFINE(BUILD_NEON, 1, [Build NEON Code])
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build_cpu_neon="yes"
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if test "x$enableval" = "xyes" ; then
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AC_TRY_COMPILE([arm_neon.h],
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[asm volatile ("vqadd.u8 d0, d1, d0\n");],
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[
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AC_MSG_RESULT(yes)
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AC_DEFINE(BUILD_NEON, 1, [Build NEON Code])
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build_cpu_neon="yes"
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],[
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AC_MSG_RESULT(no)
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build_cpu_neon="no"
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])
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else
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AC_MSG_RESULT(no)
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build_cpu_neon="no"
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fi
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],
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[
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AC_MSG_RESULT($build_cpu_neon)
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if test "x$build_cpu_neon" = "xyes" ; then
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AC_DEFINE(BUILD_NEON, 1, [Build NEON Code])
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AC_TRY_COMPILE([arm_neon.h],
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[asm volatile ("vqadd.u8 d0, d1, d0\n");],
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[
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AC_MSG_RESULT(yes)
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AC_DEFINE(BUILD_NEON, 1, [Build NEON Code])
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build_cpu_neon="yes"
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],[
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AC_MSG_RESULT(no)
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build_cpu_neon="no"
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])
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fi
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]
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)
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