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8a2210b351
Integrate duplicate code by extracting headers, types and
initialization code.
1a768d9179
20 lines
564 B
Ruby
20 lines
564 B
Ruby
case RbConfig::CONFIG['host_cpu']
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when /^(arm|aarch64)/
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# Try to compile a small program using NEON instructions
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header, type, init = 'arm_neon.h', 'uint8x16_t', 'vdupq_n_u8(32)'
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when /^(x86_64|x64)/
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header, type, init = 'x86intrin.h', '__m128i', '_mm_set1_epi8(32)'
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end
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if header
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have_header(header) && try_compile(<<~SRC)
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#{cpp_include(header)}
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int main(int argc, char **argv) {
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#{type} test = #{init};
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if (argc > 100000) printf("%p", &test);
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return 0;
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}
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SRC
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$defs.push("-DJSON_ENABLE_SIMD")
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end
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have_header('cpuid.h')
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