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types.h: Fix ASSUME macro side-effects mismatch between compilers

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Eladash 2020-06-06 19:23:52 +03:00 committed by Ani
parent 2483cc6f8d
commit d9e3f0ccfa
1 changed files with 4 additions and 5 deletions
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9
Utilities/types.h
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@ -30,7 +30,7 @@
#ifdef _MSC_VER
#define ASSUME(...) __assume(__VA_ARGS__) // MSVC __assume ignores side-effects
#define ASSUME(...) ((__VA_ARGS__) ? void() : __assume(0)) // MSVC __assume ignores side-effects
#define SAFE_BUFFERS __declspec(safebuffers)
#define NEVER_INLINE __declspec(noinline)
#define FORCE_INLINE __forceinline
@ -40,13 +40,12 @@
#ifdef __clang__
#if defined(__has_builtin) && __has_builtin(__builtin_assume)
#pragma clang diagnostic ignored "-Wassume" // ignore the clang "side-effects ignored" warning
#define ASSUME(...) __builtin_assume(!!(__VA_ARGS__)) // __builtin_assume (supported by modern clang) ignores side-effects
#define ASSUME(...) ((__VA_ARGS__) ? void() : __builtin_assume(0)) // __builtin_assume (supported by modern clang) ignores side-effects
#endif
#endif
#ifndef ASSUME // gcc and old clang
#define ASSUME(...) do { if (!(__VA_ARGS__)) __builtin_unreachable(); } while (0) // note: the compiler will generate code to evaluate "cond" if the expression is opaque
#define ASSUME(...) ((__VA_ARGS__) ? void() : __builtin_unreachable()) // note: the compiler will generate code to evaluate "cond" if the expression is opaque
#endif
#define SAFE_BUFFERS __attribute__((no_stack_protector))
@ -77,7 +76,7 @@
#define STR_CASE(...) case __VA_ARGS__: return #__VA_ARGS__
#define ASSERT(...) do { if(!(__VA_ARGS__)) fmt::raw_error("Assertion failed: " STRINGIZE(__VA_ARGS__) HERE); } while(0)
#define ASSERT(...) ((__VA_ARGS__) ? void() : fmt::raw_error("Assertion failed: " STRINGIZE(__VA_ARGS__) HERE))
#if defined(_DEBUG) || defined(_AUDIT)
#define AUDIT(...) ASSERT(__VA_ARGS__)