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Remove dependency on bits.h in default.c when BUILDING_MODULAR_GC

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We can assume that the compiler will have __builtin_clzll so we can implement
nlz_int64 using that.
This commit is contained in:
Peter Zhu 2025-05-15 15:15:23 -04:00
parent 4f9f2243e9
commit 9130023cf5
Notes: git 2025-05-23 18:36:11 +00:00 
Merged: https://github.com/ruby/ruby/pull/13351
1 changed files with 5 additions and 1 deletions
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6
gc/default/default.c
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@ -15,7 +15,11 @@
# include <sys/user.h> # include <sys/user.h>
#endif #endif
#include "internal/bits.h" #ifdef BUILDING_MODULAR_GC
# define nlz_int64(x) (x == 0 ? 64 : (unsigned int)__builtin_clzll((unsigned long long)x))
#else
# include "internal/bits.h"
#endif
#include "ruby/ruby.h" #include "ruby/ruby.h"
#include "ruby/atomic.h" #include "ruby/atomic.h"