From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: by sourceware.org (Postfix, from userid 7934) id 217B33858289; Sat, 8 Jul 2023 04:19:40 +0000 (GMT) DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 217B33858289 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gcc.gnu.org; s=default; t=1688789980; bh=O8nApz+AHiFGI8rWXOX/eevNCdhik3Ivo/4C4JWnpLc=; h=From:To:Subject:Date:From; b=T4+wI7LmS+pdaRbb0jQQw7I8WO115uVyusbPc22UE5LcxoG5UkMWAgnFftjUGjQ0F 1HjLSCd3k6JBQaaEuaBVgaUVP/7Od95BjCPaBD7U2fJ3dWbBrwdKpNNX83F+MznmpG ttsWm7RIhflrmvjqgATOxxH390QFHOjCCNFqzK9U= Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit From: Ken Matsui To: gcc-cvs@gcc.gnu.org, libstdc++-cvs@gcc.gnu.org Subject: [gcc(refs/users/kmatsui/heads/is_scalar)] libstdc++: use new built-in trait __is_scalar for std::is_scalar X-Act-Checkin: gcc X-Git-Author: Ken Matsui X-Git-Refname: refs/users/kmatsui/heads/is_scalar X-Git-Oldrev: 54aa7866a9ec8fd8697510f6b8d08935065ca184 X-Git-Newrev: 4f64023297b188a595780423cd4daad3e72b7ff9 Message-Id: <20230708041940.217B33858289@sourceware.org> Date: Sat, 8 Jul 2023 04:19:40 +0000 (GMT) List-Id: https://gcc.gnu.org/g:4f64023297b188a595780423cd4daad3e72b7ff9 commit 4f64023297b188a595780423cd4daad3e72b7ff9 Author: Ken Matsui Date: Mon Jul 3 01:56:19 2023 -0700 libstdc++: use new built-in trait __is_scalar for std::is_scalar This patch gets std::is_scalar to dispatch to new built-in trait __is_scalar. libstdc++-v3/ChangeLog: * include/std/type_traits (is_scalar): Use __is_scalar built-in trait. (is_scalar_v): Likewise. Signed-off-by: Ken Matsui Diff: --- libstdc++-v3/include/std/type_traits | 14 ++++++++++++++ 1 file changed, 14 insertions(+) diff --git a/libstdc++-v3/include/std/type_traits b/libstdc++-v3/include/std/type_traits index 0e7a9c9c7f3..bc90b2c61ca 100644 --- a/libstdc++-v3/include/std/type_traits +++ b/libstdc++-v3/include/std/type_traits @@ -678,11 +678,18 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION struct is_member_pointer; /// is_scalar +#if __has_builtin(__is_scalar) + template + struct is_scalar + : public __bool_constant<__is_scalar(_Tp)> + { }; +#else template struct is_scalar : public __or_, is_enum<_Tp>, is_pointer<_Tp>, is_member_pointer<_Tp>, is_null_pointer<_Tp>>::type { }; +#endif /// is_compound template @@ -3204,8 +3211,15 @@ template inline constexpr bool is_fundamental_v = is_fundamental<_Tp>::value; template inline constexpr bool is_object_v = is_object<_Tp>::value; + +#if __has_builtin(__is_scalar) +template + inline constexpr bool is_scalar_v = __is_scalar(_Tp); +#else template inline constexpr bool is_scalar_v = is_scalar<_Tp>::value; +#endif + template inline constexpr bool is_compound_v = is_compound<_Tp>::value; template