diff options
Diffstat (limited to 'deps/v8/include/v8config.h')
| -rw-r--r-- | deps/v8/include/v8config.h | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/deps/v8/include/v8config.h b/deps/v8/include/v8config.h index 7bd2938225..7670c0e449 100644 --- a/deps/v8/include/v8config.h +++ b/deps/v8/include/v8config.h @@ -186,6 +186,8 @@ // V8_HAS_BUILTIN_SADD_OVERFLOW - __builtin_sadd_overflow() supported // V8_HAS_BUILTIN_SSUB_OVERFLOW - __builtin_ssub_overflow() supported // V8_HAS_BUILTIN_UADD_OVERFLOW - __builtin_uadd_overflow() supported +// V8_HAS_COMPUTED_GOTO - computed goto/labels as values +// supported // V8_HAS_DECLSPEC_DEPRECATED - __declspec(deprecated) supported // V8_HAS_DECLSPEC_NOINLINE - __declspec(noinline) supported // V8_HAS_DECLSPEC_SELECTANY - __declspec(selectany) supported @@ -214,6 +216,7 @@ # define V8_HAS_ATTRIBUTE_WARN_UNUSED_RESULT \ (__has_attribute(warn_unused_result)) +# define V8_HAS_BUILTIN_ASSUME_ALIGNED (__has_builtin(__builtin_assume_aligned)) # define V8_HAS_BUILTIN_BSWAP16 (__has_builtin(__builtin_bswap16)) # define V8_HAS_BUILTIN_BSWAP32 (__has_builtin(__builtin_bswap32)) # define V8_HAS_BUILTIN_BSWAP64 (__has_builtin(__builtin_bswap64)) @@ -226,6 +229,10 @@ # define V8_HAS_BUILTIN_SSUB_OVERFLOW (__has_builtin(__builtin_ssub_overflow)) # define V8_HAS_BUILTIN_UADD_OVERFLOW (__has_builtin(__builtin_uadd_overflow)) +// Clang has no __has_feature for computed gotos. +// GCC doc: https://gcc.gnu.org/onlinedocs/gcc/Labels-as-Values.html +# define V8_HAS_COMPUTED_GOTO 1 + # if __cplusplus >= 201402L # define V8_CAN_HAVE_DCHECK_IN_CONSTEXPR 1 # endif @@ -256,12 +263,16 @@ # define V8_HAS_ATTRIBUTE_WARN_UNUSED_RESULT \ (!V8_CC_INTEL && V8_GNUC_PREREQ(4, 1, 0)) +# define V8_HAS_BUILTIN_ASSUME_ALIGNED (V8_GNUC_PREREQ(4, 7, 0)) # define V8_HAS_BUILTIN_CLZ (V8_GNUC_PREREQ(3, 4, 0)) # define V8_HAS_BUILTIN_CTZ (V8_GNUC_PREREQ(3, 4, 0)) # define V8_HAS_BUILTIN_EXPECT (V8_GNUC_PREREQ(2, 96, 0)) # define V8_HAS_BUILTIN_FRAME_ADDRESS (V8_GNUC_PREREQ(2, 96, 0)) # define V8_HAS_BUILTIN_POPCOUNT (V8_GNUC_PREREQ(3, 4, 0)) +// GCC doc: https://gcc.gnu.org/onlinedocs/gcc/Labels-as-Values.html +#define V8_HAS_COMPUTED_GOTO (V8_GNUC_PREREQ(2, 0, 0)) + #endif #if defined(_MSC_VER) @@ -291,6 +302,12 @@ # define V8_INLINE inline #endif +#if V8_HAS_BUILTIN_ASSUME_ALIGNED +# define V8_ASSUME_ALIGNED(ptr, alignment) \ + __builtin_assume_aligned((ptr), (alignment)) +#else +# define V8_ASSUME_ALIGNED(ptr) (ptr) +#endif // A macro used to tell the compiler to never inline a particular function. // Don't bother for debug builds. |