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* include/std/complex (real, imag): Add ABI tag in C++11 mode.

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From-SVN: r193445
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Jason Merrill 2012-11-12 12:51:26 -05:00 committed by Jason Merrill
parent 132a1a23e6
commit 7a3a9e6821
3 changed files with 37 additions and 0 deletions
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4
libstdc++-v3/ChangeLog
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@ -1,3 +1,7 @@
2012-11-11 Jason Merrill <jason@redhat.com>
* include/std/complex (real, imag): Add ABI tag in C++11 mode.
2012-11-11 Andreas Schwab <schwab@linux-m68k.org>
* doc/xml/chapter.txml: Remove whitespace inside <keyword>.

8
libstdc++-v3/include/std/complex
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@ -141,9 +141,11 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
#if __cplusplus >= 201103L
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// DR 387. std::complex over-encapsulated.
__attribute ((__abi_tag__ ("cxx11")))
constexpr _Tp
real() { return _M_real; }
__attribute ((__abi_tag__ ("cxx11")))
constexpr _Tp
imag() { return _M_imag; }
#else
@ -1061,9 +1063,11 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
#if __cplusplus >= 201103L
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// DR 387. std::complex over-encapsulated.
__attribute ((__abi_tag__ ("cxx11")))
constexpr float
real() { return __real__ _M_value; }
__attribute ((__abi_tag__ ("cxx11")))
constexpr float
imag() { return __imag__ _M_value; }
#else
@ -1210,9 +1214,11 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
#if __cplusplus >= 201103L
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// DR 387. std::complex over-encapsulated.
__attribute ((__abi_tag__ ("cxx11")))
constexpr double
real() { return __real__ _M_value; }
__attribute ((__abi_tag__ ("cxx11")))
constexpr double
imag() { return __imag__ _M_value; }
#else
@ -1360,9 +1366,11 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
#if __cplusplus >= 201103L
// _GLIBCXX_RESOLVE_LIB_DEFECTS
// DR 387. std::complex over-encapsulated.
__attribute ((__abi_tag__ ("cxx11")))
constexpr long double
real() { return __real__ _M_value; }
__attribute ((__abi_tag__ ("cxx11")))
constexpr long double
imag() { return __imag__ _M_value; }
#else

25
libstdc++-v3/testsuite/26_numerics/complex/abi_tag.cc Normal file
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@ -0,0 +1,25 @@
// Test that the C++11 variants of real/imag have an ABI tag
// { dg-do compile }
// { dg-options -std=c++11 }
#include <complex>
// { dg-final { scan-assembler "_ZNKSt7complexIfE4realB5cxx11Ev" } }
float (std::complex<float>::*p1)() const = &std::complex<float>::real;
// { dg-final { scan-assembler "_ZNKSt7complexIdE4realB5cxx11Ev" } }
double (std::complex<double>::*p2)() const = &std::complex<double>::real;
// { dg-final { scan-assembler "_ZNKSt7complexIeE4realB5cxx11Ev" } }
long double (std::complex<long double>::*p3)() const
= &std::complex<long double>::real;
// { dg-final { scan-assembler "_ZNKSt7complexIiE4realB5cxx11Ev" } }
int (std::complex<int>::*p4)() const = &std::complex<int>::real;
// { dg-final { scan-assembler "_ZNKSt7complexIfE4imagB5cxx11Ev" } }
float (std::complex<float>::*p5)() const = &std::complex<float>::imag;
// { dg-final { scan-assembler "_ZNKSt7complexIdE4imagB5cxx11Ev" } }
double (std::complex<double>::*p6)() const = &std::complex<double>::imag;
// { dg-final { scan-assembler "_ZNKSt7complexIeE4imagB5cxx11Ev" } }
long double (std::complex<long double>::*p7)() const
= &std::complex<long double>::imag;
// { dg-final { scan-assembler "_ZNKSt7complexIiE4imagB5cxx11Ev" } }
int (std::complex<int>::*p8)() const = &std::complex<int>::imag;