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| author | Bruno Haible <bruno@clisp.org> | 2020-08-09 18:33:17 +0200 |
|---|---|---|
| committer | Bruno Haible <bruno@clisp.org> | 2020-08-09 18:33:17 +0200 |
| commit | c2250fd7f33592b8c2bcbb8c8f27ccd4f75cdf75 (patch) | |
| tree | b3114e2c256c3f6e7912288201aac5270eb4d039 /lib | |
| parent | 1dcad478e8f8a10335a0dbd6f02b08d1f351ce19 (diff) | |
| download | gnulib-c2250fd7f33592b8c2bcbb8c8f27ccd4f75cdf75.tar.gz | |
count-one-bits: Use __builtin_popcount{,l,ll} on clang.
* lib/count-one-bits.h (COUNT_ONE_BITS): Use the GCC built-in.
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/count-one-bits.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/lib/count-one-bits.h b/lib/count-one-bits.h index 6c5b75708c..a9e166aed8 100644 --- a/lib/count-one-bits.h +++ b/lib/count-one-bits.h @@ -38,7 +38,8 @@ extern "C" { expand to code that computes the number of 1-bits of the local variable 'x' of type TYPE (an unsigned integer type) and return it from the current function. */ -#if __GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4) +#if (__GNUC__ > 3 || (__GNUC__ == 3 && __GNUC_MINOR__ >= 4)) \ + || (__clang_major__ >= 4) # define COUNT_ONE_BITS(GCC_BUILTIN, MSC_BUILTIN, TYPE) \ return GCC_BUILTIN (x) #else |