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configure: Prevent the NEON check in configure from passing under aarch64.

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The test verifies that the NEON C intrinsics work, but the rest of the
codebase uses lots of direct ARMv7 NEON assembly. The same intrinsics
work in A64, but the assembly is slightly different.

Prevent the check from passing so that we don't use this where it won't
work.

https://bugzilla.gnome.org/show_bug.cgi?id=712367
This commit is contained in:
William Grant 2013-11-15 14:17:03 +00:00 committed by Sebastian Dröge
parent 9f3becdf52
commit 472ded1cf3
1 changed files with 1 additions and 0 deletions
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configure.ac
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@ -190,6 +190,7 @@ AC_LINK_IFELSE([
AC_LANG_PROGRAM([[
#include <arm_neon.h>
int32x4_t testfunc(int16_t *a, int16_t *b) {
asm volatile ("vmull.s16 q0, d0, d0" : : : "q0");
return vmull_s16(vld1_s16(a), vld1_s16(b));
}
]])],