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| author | Vadim Yanitskiy <axilirator@gmail.com> | 2017-05-08 00:07:21 +0700 |
|---|---|---|
| committer | Vadim Yanitskiy <axilirator@gmail.com> | 2017-05-08 02:02:49 +0700 |
| commit | a8a5819155323be6fab2c874d4448c0c9510331e (patch) | |
| tree | 94dbaf07f2b7bea22710ccf00347592c5b1164d2 /src | |
| parent | 2c3066e5da54659f19799005eddb1d134c6d0166 (diff) | |
configure.ac: check for __builtin_cpu_supports call support
The '__builtin_cpu_supports' is a GCC's built-in function which
returns a positive integer if the run-time CPU supports specified
SIMD feature and returns 0 otherwise. It is required for further
SSE optimization of Viterbi decoder.
This change adds a new check, whether compiler supports this call.
See /gcc/X86-Built-in-Functions.html at gcc.gnu.org for reference.
Change-Id: I5d52cfb3e8fab3eedc0293a2842708cbee0f476a
Diffstat (limited to 'src')
0 files changed, 0 insertions, 0 deletions