veclavtlica
47 lines
1.2 KiB
C
47 lines
1.2 KiB
C
/*
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Compiler definitions helpers, for portability.
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*/
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#ifndef COM_DEF_H
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#define COM_DEF_H
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#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 201112L) || \
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defined(__GNUC__) || defined(__clang__)
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#define COM_DEF_COMPILE_MODERN 1
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#endif
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#define COM_DEF_TARGET_NATIVE 0
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#define COM_DEF_TARGET_WASM 1
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#if defined(__wasm__)
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#define COM_DEF_NOSTD 1
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#define COM_DEF_TARGET COM_DEF_TARGET_WASM
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/* TODO: Move to std.h instead, forbid stdlib on any platform. */
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#define assert(m_t) (m_t)
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#define printf(...) ((void)0)
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#else
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#define COM_DEF_TARGET COM_DEF_TARGET_NATIVE
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#endif
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/* TODO: uppercase? */
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#ifdef COM_DEF_COMPILE_MODERN
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#define com_def_alignedas(v_as) _Alignas(v_as)
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#define com_def_vector(v_t, v_v, v_n) \
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v_t v_v __attribute__((vector_size(sizeof(v_t) * v_n)))
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#else
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#define com_def_alignedas(v_as)
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#define com_def_vector(v_t, v_v, v_n) v_t v_v[v_n]
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#endif
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#define COM_DEF_VECTOR_NONE 0
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#define COM_DEF_VECTOR_SSE2 1
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#ifdef COM_DEF_COMPILE_MODERN
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#define COM_DEF_VECTOR_IMPL COM_DEF_VECTOR_SSE2
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#endif
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// #define COM_DEF_PROFILE_VAR volatile /* Sadly, doesn't work in some cases */
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#define COM_DEF_PROFILE_SINK(m_v) __asm__ volatile("" ::"r"(m_v) : "memory")
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#endif
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