diff options
| author | Jonathan Lennox <jonathan@vidyo.com> | 2015-11-21 07:03:57 +0300 |
|---|---|---|
| committer | Timothy B. Terriberry <tterribe@xiph.org> | 2016-07-07 01:00:02 +0300 |
| commit | 879736037b9742c9e38d0814fdc3ef836fd90b71 (patch) | |
| tree | 96b2bff448bcf14e7e77e489f81505cc0ce901ae | |
| parent | 87c670dbe11664cdb1399a820395a25287c6802a (diff) | |
Add configure check for Aarch64-specific Neon intrinsics.
Signed-off-by: Timothy B. Terriberry <tterribe@xiph.org>
| -rw-r--r-- | configure.ac | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 7374b5ee..8071af60 100644 --- a/configure.ac +++ b/configure.ac @@ -504,6 +504,26 @@ AS_IF([test x"$enable_intrinsics" = x"yes"],[ [rtcd_support="$rtcd_support (NE10)"]) ]) + OPUS_CHECK_INTRINSICS( + [Aarch64 Neon], + [$ARM_NEON_INTR_CFLAGS], + [OPUS_ARM_MAY_HAVE_AARCH64_NEON_INTR], + [OPUS_ARM_PRESUME_AARCH64_NEON_INTR], + [[#include <arm_neon.h> + ]], + [[ + static int32_t IN; + static int16_t OUT; + OUT = vqmovns_s32(IN); + ]] + ) + + AS_IF([test x"$OPUS_ARM_PRESUME_AARCH64_NEON_INTR" = x"1"], + [ + AC_DEFINE([OPUS_ARM_PRESUME_AARCH64_NEON_INTR], 1, [Define if binary requires Aarch64 Neon Intrinsics]) + intrinsics_support="$intrinsics_support (NEON [Aarch64])" + ]) + AS_IF([test x"$intrinsics_support" = x""], [intrinsics_support=no], [intrinsics_support="ARM$intrinsics_support"]) |