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| author | Ell <ell_se@yahoo.com> | 2019-07-24 23:21:01 +0300 |
|---|---|---|
| committer | Ell <ell_se@yahoo.com> | 2019-07-24 23:41:03 +0300 |
| commit | 385f0b545727262f58d3cfcf5523f69ace0e0166 (patch) | |
| tree | 47725808e420d1efe0199b9334f8aa2e91bae572 /meson.build | |
| parent | 04efa1f93a704f3d22f12692964ea0c8ce0e3c77 (diff) | |
configure.ac, meson, cpu-accel: add AVX2 detection
Detect AVX2 support during configuration and runtime, in
preperation for next commit.
Diffstat (limited to 'meson.build')
| -rw-r--r-- | meson.build | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/meson.build b/meson.build index b17db52..c72688e 100644 --- a/meson.build +++ b/meson.build @@ -216,6 +216,16 @@ if cc.has_argument('-mmmx') and get_option('enable-mmx') conf.set('USE_SSE4_1', 1, description: 'Define to 1 if sse4.1 assembly is available.') endif + + # avx2 assembly + if cc.has_argument('-mavx2') and get_option('enable-avx2') + if cc.compiles('asm ("vpgatherdd %ymm0,(%rax,%ymm1,4),%ymm2");') + message('avx2 assembly available') + avx2_cflags = '-mavx2' + conf.set('USE_AVX2', 1, description: + 'Define to 1 if avx2 assembly is available.') + endif + endif endif endif endif |