[Issue 22721] New: importC: some gnu builtins are rejected
d-bugmail at puremagic.com
d-bugmail at puremagic.com
Mon Jan 31 22:14:48 UTC 2022
https://issues.dlang.org/show_bug.cgi?id=22721
Issue ID: 22721
Summary: importC: some gnu builtins are rejected
Product: D
Version: D2
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: P1
Component: druntime
Assignee: nobody at puremagic.com
Reporter: dave287091 at gmail.com
Trying to compile CoreFoundation.h on macOS has led me to encounter the
following builtins, which are documented here:
https://gcc.gnu.org/onlinedocs/gcc/Other-Builtins.html
__builtin_bswap32
__builtin_bswap64
__builtin_constant_p
__builtin_expect
__builtin_assume
The last 3 are just optimization hints.
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