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| author | garrison <garrison@qemu15.qemu-network> | 2021-06-04 22:13:02 +0000 |
|---|---|---|
| committer | PulseAudio Marge Bot <pulseaudio-maintainers@lists.freedesktop.org> | 2021-06-05 15:14:59 +0000 |
| commit | 6d2a49a6a1eacc2096d0d9473a074421c181ab56 (patch) | |
| tree | 9aa5b89c3ebc1c9bb7f0d3fdaba932e5cab4c29d | |
| parent | e0d9231bf4c15e63add2268762744c266002a040 (diff) | |
| download | pulseaudio-6d2a49a6a1eacc2096d0d9473a074421c181ab56.tar.gz | |
build-sys: meson: check if NEON code can be compiled on arm
When Meson SIMD module returns HAVE_NEON=1 on arm host, do extra compile check
to verify compiler can actually handle NEON code.
Related Meson issue #6361 https://github.com/mesonbuild/meson/issues/6361
Part-of: <https://gitlab.freedesktop.org/pulseaudio/pulseaudio/-/merge_requests/574>
| -rw-r--r-- | src/pulsecore/meson.build | 41 |
1 files changed, 31 insertions, 10 deletions
diff --git a/src/pulsecore/meson.build b/src/pulsecore/meson.build index 608273a17..d7f9ef2cf 100644 --- a/src/pulsecore/meson.build +++ b/src/pulsecore/meson.build @@ -172,16 +172,37 @@ endif # FIXME: SIMD support (ORC) simd = import('unstable-simd') -libpulsecore_simd = simd.check('libpulsecore_simd', - mmx : ['remap_mmx.c', 'svolume_mmx.c'], - sse : ['remap_sse.c', 'sconv_sse.c', 'svolume_sse.c'], - neon : ['remap_neon.c', 'sconv_neon.c', 'mix_neon.c'], - c_args : [pa_c_args], - include_directories : [configinc, topinc], - implicit_include_directories : false, - compiler : cc) -libpulsecore_simd_lib = libpulsecore_simd[0] -cdata.merge_from(libpulsecore_simd[1]) +simd_variants = [ + { 'mmx' : ['remap_mmx.c', 'svolume_mmx.c'] }, + { 'sse' : ['remap_sse.c', 'sconv_sse.c', 'svolume_sse.c'] }, + { 'neon' : ['remap_neon.c', 'sconv_neon.c', 'mix_neon.c'] }, +] + +libpulsecore_simd_lib = [] + +foreach simd_kwargs : simd_variants + + if host_machine.cpu_family() == 'arm' and 'neon' in simd_kwargs + if not cc.compiles(''' + #include <arm_neon.h> + int main() { + return sizeof(uint8x8_t) + sizeof(int32x4_t) + sizeof(float32x4_t); + } + ''', name : 'neon code') + continue + endif + endif + + libpulsecore_simd = simd.check('libpulsecore_simd', + kwargs : simd_kwargs, + c_args : [pa_c_args], + include_directories : [configinc, topinc], + implicit_include_directories : false, + compiler : cc) + + libpulsecore_simd_lib += libpulsecore_simd[0] + cdata.merge_from(libpulsecore_simd[1]) +endforeach if host_machine.system() == 'windows' libpulsecore_sources += ['mutex-win32.c', |