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| author | Dag-Erling Smørgrav <des@des.no> | 2016-09-16 11:44:41 +0200 |
|---|---|---|
| committer | Peter Simons <simons@cryp.to> | 2016-09-16 11:44:41 +0200 |
| commit | f21431fef337f416ea445a1a085f34d4c7de5855 (patch) | |
| tree | fb7c1a1c4d46054f0d780d90f359cbe76f8435ca | |
| parent | ac3d6a788dd84cc57379f3fc1f37e9d76848bcea (diff) | |
| download | autoconf-archive-f21431fef337f416ea445a1a085f34d4c7de5855.tar.gz | |
ax_gcc_builtin: add __builtin_bswap16
| -rw-r--r-- | m4/ax_gcc_builtin.m4 | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/m4/ax_gcc_builtin.m4 b/m4/ax_gcc_builtin.m4 index b28a91b..54d8729 100644 --- a/m4/ax_gcc_builtin.m4 +++ b/m4/ax_gcc_builtin.m4 @@ -24,6 +24,7 @@ # The macro currently supports the following built-in functions: # # __builtin_assume_aligned +# __builtin_bswap16 # __builtin_bswap32 # __builtin_bswap64 # __builtin_choose_expr @@ -90,7 +91,7 @@ # and this notice are preserved. This file is offered as-is, without any # warranty. -#serial 2 +#serial 3 AC_DEFUN([AX_GCC_BUILTIN], [ AS_VAR_PUSHDEF([ac_var], [ax_cv_have_$1]) @@ -99,6 +100,7 @@ AC_DEFUN([AX_GCC_BUILTIN], [ AC_LINK_IFELSE([AC_LANG_PROGRAM([], [ m4_case([$1], [__builtin_assume_aligned], [$1("", 0)], + [__builtin_bswap16], [$1(0)], [__builtin_bswap32], [$1(0)], [__builtin_bswap64], [$1(0)], [__builtin_choose_expr], [$1(0, 0, 0)], |