PR libstdc++/84654 Disable __float128 specializations for -mno-float128
2018-05-01 Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com> PR libstdc++/84654 * acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128. * config.h.in: Remove references to _GLIBCXX_USE_FLOAT128. * configure: Regenerate. * include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128 based on ENABLE_FLOAT128. * include/Makefile.in: Regenerate. * include/bits/c++config: Define _GLIBCXX_USE_FLOAT128. [!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine _GLIBCXX_USE_FLOAT128. From-SVN: r259813
This commit is contained in:
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@ -1,3 +1,16 @@
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2018-05-01 Tulio Magno Quites Machado Filho <tuliom@linux.vnet.ibm.com>
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PR libstdc++/84654
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* acinclude.m4: Set ENABLE_FLOAT128 instead of _GLIBCXX_USE_FLOAT128.
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* config.h.in: Remove references to _GLIBCXX_USE_FLOAT128.
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* configure: Regenerate.
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* include/Makefile.am: Replace the value of _GLIBCXX_USE_FLOAT128
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based on ENABLE_FLOAT128.
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* include/Makefile.in: Regenerate.
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* include/bits/c++config: Define _GLIBCXX_USE_FLOAT128.
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[!defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)]: Undefine
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_GLIBCXX_USE_FLOAT128.
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2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
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2018-04-24 H.J. Lu <hongjiu.lu@intel.com>
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* configure: Regenerated.
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* configure: Regenerated.
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@ -3062,7 +3062,7 @@ dnl Note: also checks that the types aren't standard types.
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dnl
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dnl
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dnl Defines:
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dnl Defines:
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dnl _GLIBCXX_USE_INT128
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dnl _GLIBCXX_USE_INT128
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dnl _GLIBCXX_USE_FLOAT128
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dnl ENABLE_FLOAT128
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dnl
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dnl
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AC_DEFUN([GLIBCXX_ENABLE_INT128_FLOAT128], [
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AC_DEFUN([GLIBCXX_ENABLE_INT128_FLOAT128], [
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@ -3117,13 +3117,12 @@ EOF
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AC_MSG_CHECKING([for __float128])
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AC_MSG_CHECKING([for __float128])
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if AC_TRY_EVAL(ac_compile); then
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if AC_TRY_EVAL(ac_compile); then
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AC_DEFINE(_GLIBCXX_USE_FLOAT128, 1,
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[Define if __float128 is supported on this host.])
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enable_float128=yes
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enable_float128=yes
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else
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else
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enable_float128=no
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enable_float128=no
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fi
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fi
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AC_MSG_RESULT($enable_float128)
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AC_MSG_RESULT($enable_float128)
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GLIBCXX_CONDITIONAL(ENABLE_FLOAT128, test $enable_float128 = yes)
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rm -f conftest*
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rm -f conftest*
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AC_LANG_RESTORE
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AC_LANG_RESTORE
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@ -918,9 +918,6 @@
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/* Define if fchmodat is available in <sys/stat.h>. */
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/* Define if fchmodat is available in <sys/stat.h>. */
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#undef _GLIBCXX_USE_FCHMODAT
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#undef _GLIBCXX_USE_FCHMODAT
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/* Define if __float128 is supported on this host. */
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#undef _GLIBCXX_USE_FLOAT128
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/* Defined if gettimeofday is available. */
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/* Defined if gettimeofday is available. */
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#undef _GLIBCXX_USE_GETTIMEOFDAY
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#undef _GLIBCXX_USE_GETTIMEOFDAY
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@ -729,6 +729,8 @@ BASIC_FILE_H
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CSTDIO_H
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CSTDIO_H
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SECTION_FLAGS
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SECTION_FLAGS
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WERROR
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WERROR
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ENABLE_FLOAT128_FALSE
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ENABLE_FLOAT128_TRUE
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thread_header
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thread_header
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glibcxx_PCHFLAGS
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glibcxx_PCHFLAGS
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GLIBCXX_BUILD_PCH_FALSE
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GLIBCXX_BUILD_PCH_FALSE
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@ -11606,7 +11608,7 @@ else
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_status=$lt_dlunknown
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lt_status=$lt_dlunknown
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cat > conftest.$ac_ext <<_LT_EOF
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cat > conftest.$ac_ext <<_LT_EOF
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#line 11609 "configure"
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#line 11611 "configure"
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#include "confdefs.h"
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#include "confdefs.h"
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#if HAVE_DLFCN_H
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#if HAVE_DLFCN_H
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@ -11712,7 +11714,7 @@ else
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_dlunknown=0; lt_dlno_uscore=1; lt_dlneed_uscore=2
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lt_status=$lt_dlunknown
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lt_status=$lt_dlunknown
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cat > conftest.$ac_ext <<_LT_EOF
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cat > conftest.$ac_ext <<_LT_EOF
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#line 11715 "configure"
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#line 11717 "configure"
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#include "confdefs.h"
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#include "confdefs.h"
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#if HAVE_DLFCN_H
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#if HAVE_DLFCN_H
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@ -15398,7 +15400,7 @@ $as_echo "$glibcxx_cv_atomic_long_long" >&6; }
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# Fake what AC_TRY_COMPILE does.
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# Fake what AC_TRY_COMPILE does.
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cat > conftest.$ac_ext << EOF
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cat > conftest.$ac_ext << EOF
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#line 15401 "configure"
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#line 15403 "configure"
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int main()
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int main()
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{
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{
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typedef bool atomic_type;
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typedef bool atomic_type;
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@ -15433,7 +15435,7 @@ $as_echo "$glibcxx_cv_atomic_bool" >&6; }
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rm -f conftest*
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rm -f conftest*
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cat > conftest.$ac_ext << EOF
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cat > conftest.$ac_ext << EOF
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#line 15436 "configure"
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#line 15438 "configure"
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int main()
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int main()
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{
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{
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typedef short atomic_type;
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typedef short atomic_type;
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@ -15468,7 +15470,7 @@ $as_echo "$glibcxx_cv_atomic_short" >&6; }
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rm -f conftest*
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rm -f conftest*
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cat > conftest.$ac_ext << EOF
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cat > conftest.$ac_ext << EOF
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#line 15471 "configure"
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#line 15473 "configure"
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int main()
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int main()
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{
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{
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// NB: _Atomic_word not necessarily int.
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// NB: _Atomic_word not necessarily int.
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@ -15504,7 +15506,7 @@ $as_echo "$glibcxx_cv_atomic_int" >&6; }
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rm -f conftest*
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rm -f conftest*
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cat > conftest.$ac_ext << EOF
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cat > conftest.$ac_ext << EOF
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#line 15507 "configure"
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#line 15509 "configure"
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int main()
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int main()
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{
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{
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typedef long long atomic_type;
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typedef long long atomic_type;
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@ -15585,7 +15587,7 @@ $as_echo "$as_me: WARNING: Performance of certain classes will degrade as a resu
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# unnecessary for this test.
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# unnecessary for this test.
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cat > conftest.$ac_ext << EOF
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cat > conftest.$ac_ext << EOF
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#line 15588 "configure"
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#line 15590 "configure"
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int main()
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int main()
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{
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{
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_Decimal32 d1;
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_Decimal32 d1;
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@ -15627,7 +15629,7 @@ ac_compiler_gnu=$ac_cv_cxx_compiler_gnu
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# unnecessary for this test.
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# unnecessary for this test.
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cat > conftest.$ac_ext << EOF
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cat > conftest.$ac_ext << EOF
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#line 15630 "configure"
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#line 15632 "configure"
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template<typename T1, typename T2>
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template<typename T1, typename T2>
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struct same
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struct same
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{ typedef T2 type; };
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{ typedef T2 type; };
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@ -15661,7 +15663,7 @@ $as_echo "$enable_int128" >&6; }
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rm -f conftest*
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rm -f conftest*
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cat > conftest.$ac_ext << EOF
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cat > conftest.$ac_ext << EOF
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#line 15664 "configure"
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#line 15666 "configure"
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template<typename T1, typename T2>
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template<typename T1, typename T2>
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struct same
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struct same
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{ typedef T2 type; };
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{ typedef T2 type; };
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@ -15683,15 +15685,13 @@ $as_echo_n "checking for __float128... " >&6; }
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ac_status=$?
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ac_status=$?
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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$as_echo "$as_me:${as_lineno-$LINENO}: \$? = $ac_status" >&5
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test $ac_status = 0; }; then
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test $ac_status = 0; }; then
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$as_echo "#define _GLIBCXX_USE_FLOAT128 1" >>confdefs.h
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enable_float128=yes
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enable_float128=yes
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else
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else
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enable_float128=no
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enable_float128=no
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fi
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fi
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_float128" >&5
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{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $enable_float128" >&5
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$as_echo "$enable_float128" >&6; }
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$as_echo "$enable_float128" >&6; }
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rm -f conftest*
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rm -f conftest*
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ac_ext=c
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ac_ext=c
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@ -81248,6 +81248,15 @@ else
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fi
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fi
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if test $enable_float128 = yes; then
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ENABLE_FLOAT128_TRUE=
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ENABLE_FLOAT128_FALSE='#'
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else
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ENABLE_FLOAT128_TRUE='#'
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ENABLE_FLOAT128_FALSE=
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fi
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if test $enable_libstdcxx_allocator_flag = new; then
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if test $enable_libstdcxx_allocator_flag = new; then
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ENABLE_ALLOCATOR_NEW_TRUE=
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ENABLE_ALLOCATOR_NEW_TRUE=
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ENABLE_ALLOCATOR_NEW_FALSE='#'
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ENABLE_ALLOCATOR_NEW_FALSE='#'
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@ -81791,6 +81800,10 @@ if test -z "${GLIBCXX_BUILD_PCH_TRUE}" && test -z "${GLIBCXX_BUILD_PCH_FALSE}";
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as_fn_error "conditional \"GLIBCXX_BUILD_PCH\" was never defined.
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as_fn_error "conditional \"GLIBCXX_BUILD_PCH\" was never defined.
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Usually this means the macro was only invoked conditionally." "$LINENO" 5
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Usually this means the macro was only invoked conditionally." "$LINENO" 5
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fi
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fi
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if test -z "${ENABLE_FLOAT128_TRUE}" && test -z "${ENABLE_FLOAT128_FALSE}"; then
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as_fn_error "conditional \"ENABLE_FLOAT128\" was never defined.
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Usually this means the macro was only invoked conditionally." "$LINENO" 5
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fi
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if test -z "${ENABLE_ALLOCATOR_NEW_TRUE}" && test -z "${ENABLE_ALLOCATOR_NEW_FALSE}"; then
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if test -z "${ENABLE_ALLOCATOR_NEW_TRUE}" && test -z "${ENABLE_ALLOCATOR_NEW_FALSE}"; then
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as_fn_error "conditional \"ENABLE_ALLOCATOR_NEW\" was never defined.
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as_fn_error "conditional \"ENABLE_ALLOCATOR_NEW\" was never defined.
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Usually this means the macro was only invoked conditionally." "$LINENO" 5
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Usually this means the macro was only invoked conditionally." "$LINENO" 5
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@ -1230,6 +1230,14 @@ stamp-allocator-new:
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echo 0 > stamp-allocator-new
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echo 0 > stamp-allocator-new
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endif
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endif
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if ENABLE_FLOAT128
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stamp-float128:
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echo 1 > stamp-float128
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else
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stamp-float128:
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echo 0 > stamp-float128
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endif
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# NB: The non-empty default ldbl_compat works around an AIX sed
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# NB: The non-empty default ldbl_compat works around an AIX sed
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# oddity, see libstdc++/31957 for details.
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# oddity, see libstdc++/31957 for details.
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${host_builddir}/c++config.h: ${CONFIG_HEADER} \
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${host_builddir}/c++config.h: ${CONFIG_HEADER} \
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@ -1241,7 +1249,8 @@ ${host_builddir}/c++config.h: ${CONFIG_HEADER} \
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stamp-extern-template \
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stamp-extern-template \
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stamp-dual-abi \
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stamp-dual-abi \
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stamp-cxx11-abi \
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stamp-cxx11-abi \
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stamp-allocator-new
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stamp-allocator-new \
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stamp-float128
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@date=`cat ${toplevel_srcdir}/gcc/DATESTAMP` ;\
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@date=`cat ${toplevel_srcdir}/gcc/DATESTAMP` ;\
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release=`sed 's/^\([0-9]*\).*$$/\1/' ${toplevel_srcdir}/gcc/BASE-VER` ;\
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release=`sed 's/^\([0-9]*\).*$$/\1/' ${toplevel_srcdir}/gcc/BASE-VER` ;\
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ns_version=`cat stamp-namespace-version` ;\
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ns_version=`cat stamp-namespace-version` ;\
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@ -1250,6 +1259,7 @@ ${host_builddir}/c++config.h: ${CONFIG_HEADER} \
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dualabi=`cat stamp-dual-abi` ;\
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dualabi=`cat stamp-dual-abi` ;\
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cxx11abi=`cat stamp-cxx11-abi` ;\
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cxx11abi=`cat stamp-cxx11-abi` ;\
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allocatornew=`cat stamp-allocator-new` ;\
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allocatornew=`cat stamp-allocator-new` ;\
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float128=`cat stamp-float128` ;\
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ldbl_compat='s,g,g,' ;\
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ldbl_compat='s,g,g,' ;\
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grep "^[ ]*#[ ]*define[ ][ ]*_GLIBCXX_LONG_DOUBLE_COMPAT[ ][ ]*1[ ]*$$" \
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grep "^[ ]*#[ ]*define[ ][ ]*_GLIBCXX_LONG_DOUBLE_COMPAT[ ][ ]*1[ ]*$$" \
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${CONFIG_HEADER} > /dev/null 2>&1 \
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${CONFIG_HEADER} > /dev/null 2>&1 \
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@ -1262,6 +1272,7 @@ ${host_builddir}/c++config.h: ${CONFIG_HEADER} \
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-e "s,define _GLIBCXX_USE_DUAL_ABI, define _GLIBCXX_USE_DUAL_ABI $$dualabi," \
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-e "s,define _GLIBCXX_USE_DUAL_ABI, define _GLIBCXX_USE_DUAL_ABI $$dualabi," \
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-e "s,define _GLIBCXX_USE_CXX11_ABI, define _GLIBCXX_USE_CXX11_ABI $$cxx11abi," \
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-e "s,define _GLIBCXX_USE_CXX11_ABI, define _GLIBCXX_USE_CXX11_ABI $$cxx11abi," \
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-e "s,define _GLIBCXX_USE_ALLOCATOR_NEW, define _GLIBCXX_USE_ALLOCATOR_NEW $$allocatornew," \
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-e "s,define _GLIBCXX_USE_ALLOCATOR_NEW, define _GLIBCXX_USE_ALLOCATOR_NEW $$allocatornew," \
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-e "s,define _GLIBCXX_USE_FLOAT128, define _GLIBCXX_USE_FLOAT128 $$float128," \
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-e "$$ldbl_compat" \
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-e "$$ldbl_compat" \
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< ${glibcxx_srcdir}/include/bits/c++config > $@ ;\
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< ${glibcxx_srcdir}/include/bits/c++config > $@ ;\
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sed -e 's/HAVE_/_GLIBCXX_HAVE_/g' \
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sed -e 's/HAVE_/_GLIBCXX_HAVE_/g' \
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@ -1662,6 +1662,11 @@ stamp-host: ${host_headers} ${bits_host_headers} ${ext_host_headers} ${host_head
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@ENABLE_ALLOCATOR_NEW_FALSE@stamp-allocator-new:
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@ENABLE_ALLOCATOR_NEW_FALSE@stamp-allocator-new:
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@ENABLE_ALLOCATOR_NEW_FALSE@ echo 0 > stamp-allocator-new
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@ENABLE_ALLOCATOR_NEW_FALSE@ echo 0 > stamp-allocator-new
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@ENABLE_FLOAT128_TRUE@stamp-float128:
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@ENABLE_FLOAT128_TRUE@ echo 1 > stamp-float128
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@ENABLE_FLOAT128_FALSE@stamp-float128:
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@ENABLE_FLOAT128_FALSE@ echo 0 > stamp-float128
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# NB: The non-empty default ldbl_compat works around an AIX sed
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# NB: The non-empty default ldbl_compat works around an AIX sed
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# oddity, see libstdc++/31957 for details.
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# oddity, see libstdc++/31957 for details.
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${host_builddir}/c++config.h: ${CONFIG_HEADER} \
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${host_builddir}/c++config.h: ${CONFIG_HEADER} \
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@ -1673,7 +1678,8 @@ ${host_builddir}/c++config.h: ${CONFIG_HEADER} \
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stamp-extern-template \
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stamp-extern-template \
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stamp-dual-abi \
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stamp-dual-abi \
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stamp-cxx11-abi \
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stamp-cxx11-abi \
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stamp-allocator-new
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stamp-allocator-new \
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stamp-float128
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@date=`cat ${toplevel_srcdir}/gcc/DATESTAMP` ;\
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@date=`cat ${toplevel_srcdir}/gcc/DATESTAMP` ;\
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release=`sed 's/^\([0-9]*\).*$$/\1/' ${toplevel_srcdir}/gcc/BASE-VER` ;\
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release=`sed 's/^\([0-9]*\).*$$/\1/' ${toplevel_srcdir}/gcc/BASE-VER` ;\
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ns_version=`cat stamp-namespace-version` ;\
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ns_version=`cat stamp-namespace-version` ;\
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@ -1682,6 +1688,7 @@ ${host_builddir}/c++config.h: ${CONFIG_HEADER} \
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dualabi=`cat stamp-dual-abi` ;\
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dualabi=`cat stamp-dual-abi` ;\
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cxx11abi=`cat stamp-cxx11-abi` ;\
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cxx11abi=`cat stamp-cxx11-abi` ;\
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allocatornew=`cat stamp-allocator-new` ;\
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allocatornew=`cat stamp-allocator-new` ;\
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float128=`cat stamp-float128` ;\
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ldbl_compat='s,g,g,' ;\
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ldbl_compat='s,g,g,' ;\
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grep "^[ ]*#[ ]*define[ ][ ]*_GLIBCXX_LONG_DOUBLE_COMPAT[ ][ ]*1[ ]*$$" \
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grep "^[ ]*#[ ]*define[ ][ ]*_GLIBCXX_LONG_DOUBLE_COMPAT[ ][ ]*1[ ]*$$" \
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${CONFIG_HEADER} > /dev/null 2>&1 \
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${CONFIG_HEADER} > /dev/null 2>&1 \
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||||||
|
@ -1694,6 +1701,7 @@ ${host_builddir}/c++config.h: ${CONFIG_HEADER} \
|
||||||
-e "s,define _GLIBCXX_USE_DUAL_ABI, define _GLIBCXX_USE_DUAL_ABI $$dualabi," \
|
-e "s,define _GLIBCXX_USE_DUAL_ABI, define _GLIBCXX_USE_DUAL_ABI $$dualabi," \
|
||||||
-e "s,define _GLIBCXX_USE_CXX11_ABI, define _GLIBCXX_USE_CXX11_ABI $$cxx11abi," \
|
-e "s,define _GLIBCXX_USE_CXX11_ABI, define _GLIBCXX_USE_CXX11_ABI $$cxx11abi," \
|
||||||
-e "s,define _GLIBCXX_USE_ALLOCATOR_NEW, define _GLIBCXX_USE_ALLOCATOR_NEW $$allocatornew," \
|
-e "s,define _GLIBCXX_USE_ALLOCATOR_NEW, define _GLIBCXX_USE_ALLOCATOR_NEW $$allocatornew," \
|
||||||
|
-e "s,define _GLIBCXX_USE_FLOAT128, define _GLIBCXX_USE_FLOAT128 $$float128," \
|
||||||
-e "$$ldbl_compat" \
|
-e "$$ldbl_compat" \
|
||||||
< ${glibcxx_srcdir}/include/bits/c++config > $@ ;\
|
< ${glibcxx_srcdir}/include/bits/c++config > $@ ;\
|
||||||
sed -e 's/HAVE_/_GLIBCXX_HAVE_/g' \
|
sed -e 's/HAVE_/_GLIBCXX_HAVE_/g' \
|
||||||
|
|
|
@ -609,4 +609,10 @@ namespace std
|
||||||
# endif
|
# endif
|
||||||
#endif
|
#endif
|
||||||
|
|
||||||
|
/* Define if __float128 is supported on this host. */
|
||||||
|
#define _GLIBCXX_USE_FLOAT128
|
||||||
|
#if !defined(__FLOAT128__) && !defined(__SIZEOF_FLOAT128__)
|
||||||
|
#undef _GLIBCXX_USE_FLOAT128
|
||||||
|
#endif
|
||||||
|
|
||||||
// End of prewritten config; the settings discovered at configure time follow.
|
// End of prewritten config; the settings discovered at configure time follow.
|
||||||
|
|
Loading…
Reference in New Issue