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Make AVX/FMA support optional

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Older compilers do not yet have fmaintrin.h. This fixes compile errors:
```
x86_functions_fma.cc:51:39: error: '_mm_fmadd_ss' was not declared in this scope
x86_functions_fma.cc:85:35: error: '_mm256_fmadd_ps' was not declared in this scope
x86_functions_fma.cc:106:35: error: '_mm256_fmadd_ps' was not declared in this scope
x86_functions_fma.cc:129:39: error: '_mm_fmadd_ss' was not declared in this scope
```
This commit is contained in:
Robin Gareus 2021-01-02 15:35:21 +01:00
parent c856a862af
commit cd72bbb2d4
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GPG key ID: A090BCE02CF57F04
4 changed files with 45 additions and 7 deletions
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@ -493,6 +493,18 @@ int main() { return 0; }''',
if opt.fpu_optimization:
if conf.env['build_target'] == 'armhf' or conf.env['build_target'] == 'aarch64':
conf.define('ARM_NEON_SUPPORT', 1)
elif conf.env['build_target'] == 'aarch64':
conf.define ('FPU_AVX_FMA_SUPPORT', 1)
elif conf.env['build_target'] == 'i386' or conf.env['build_target'] == 'i686' or conf.env['build_target'] == 'x86_64':
conf.check_cxx(fragment = "#include <immintrin.h>\nint main(void) { __m128 a; _mm_fmadd_ss(a, a, a); return 0; }\n",
features = ['cxx'],
cxxflags = [ conf.env['compiler_flags_dict']['fma'], conf.env['compiler_flags_dict']['avx'] ],
mandatory = False,
execute = False,
msg = 'Checking compiler for AVX/FMA intrinsics',
okmsg = 'Found',
errmsg = 'Not supported',
define_name = 'FPU_AVX_FMA_SUPPORT')
if opt.use_libcpp or conf.env['build_host'] in [ 'el_capitan', 'sierra', 'high_sierra', 'mojave', 'catalina' ]:
cxx_flags.append('--stdlib=libc++')
@ -1445,6 +1457,7 @@ const char* const ardour_config_info = "\\n\\
write_config_text('Dr. Mingw', conf.is_defined('HAVE_DRMINGW'))
write_config_text('FLAC', conf.is_defined('HAVE_FLAC'))
write_config_text('FPU optimization', opts.fpu_optimization)
write_config_text('FPU AVX/FMA support', conf.is_defined('FPU_AVX_FMA_SUPPORT'))
write_config_text('Freedesktop files', opts.freedesktop)
write_config_text('Libjack linking', conf.env['libjack_link'])
write_config_text('Libjack metadata', conf.is_defined ('HAVE_JACK_METADATA'))