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[PATCH] __builtin_bswap16
From: |
Dag-Erling Smørgrav |
Subject: |
[PATCH] __builtin_bswap16 |
Date: |
Thu, 15 Sep 2016 11:08:03 +0200 |
User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.5 (berkeley-unix) |
Could you please add __builtin_bswap16 to the list of known builtins in
AX_GCC_BUILTIN?
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)],
DES
--
Dag-Erling Smørgrav - address@hidden
- [PATCH] __builtin_bswap16,
Dag-Erling Smørgrav <=