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| author | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-01-15 02:35:18 +0000 |
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| committer | shyouhei <shyouhei@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2018-01-15 02:35:18 +0000 |
| commit | 39cfa67b4f56e0c79afb352b1e9bf5c914b774ca (patch) | |
| tree | 5d8ecc18a42670845571857fc767b8b3e0496566 /configure.ac | |
| parent | 21429b1488faf58b6683eef2c9c24e00796a32ae (diff) | |
__builtin_assume_aligned for *(foo *) casts
These casts are guarded. Must be safe to assume alignments.
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@61829 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'configure.ac')
| -rw-r--r-- | configure.ac | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/configure.ac b/configure.ac index 49c2b76bd3..e5be5a778e 100644 --- a/configure.ac +++ b/configure.ac @@ -2493,6 +2493,7 @@ AC_CACHE_CHECK([for $1], AS_TR_SH(rb_cv_builtin_$1), AS_IF([test "${AS_TR_SH(rb_cv_builtin_$1)}" != no], [ AC_DEFINE(AS_TR_CPP(HAVE_BUILTIN_$1)) ])]) +RUBY_CHECK_BUILTIN_FUNC(__builtin_assume_aligned, [__builtin_assume_aligned((void*)32, 32)]) RUBY_CHECK_BUILTIN_FUNC(__builtin_bswap16, [__builtin_bswap16(0)]) RUBY_CHECK_BUILTIN_FUNC(__builtin_bswap32, [__builtin_bswap32(0)]) RUBY_CHECK_BUILTIN_FUNC(__builtin_bswap64, [__builtin_bswap64(0)]) |