expr.c (cpp_classify_number): Hex floats are new in C++1z.
* libcpp/expr.c (cpp_classify_number): Hex floats are new in C++1z. * libcpp/init.c (lang_defaults): Likewise. * gcc/c-family/c-cppbuiltin.c (c_cpp_builtins): Set __cpp_hex_float. From-SVN: r234213
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gcc
libcpp
@ -1,5 +1,7 @@
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2016-03-14 Jason Merrill <jason@redhat.com>
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* c-cppbuiltin.c (c_cpp_builtins): Set __cpp_hex_float.
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* c-cppbuiltin.c (c_cpp_builtins): Bump __cpp_range_based_for.
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2016-03-09 Richard Biener <rguenther@suse.de>
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@ -818,6 +818,10 @@ c_cpp_builtins (cpp_reader *pfile)
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if (!pedantic || cxx_dialect > cxx11)
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cpp_define (pfile, "__cpp_binary_literals=201304");
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/* Similarly for hexadecimal floating point literals and C++17. */
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if (!pedantic || cpp_get_options (parse_in)->extended_numbers)
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cpp_define (pfile, "__cpp_hex_float=201603");
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/* Arrays of runtime bound were removed from C++14, but we still
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support GNU VLAs. Let's define this macro to a low number
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(corresponding to the initial test release of GNU C++) if we won't
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@ -1,4 +1,4 @@
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// { dg-do compile { target c++98_only } }
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/* { dg-options "-ansi -pedantic-errors" } */
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double x = 0x3.1415babep0; // { dg-error "use of C..11 hexadecimal floating constant" }
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double x = 0x3.1415babep0; // { dg-error "use of C..1z hexadecimal floating constant" }
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@ -337,3 +337,9 @@
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#elif __cpp_nontype_template_args != 201411
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# error "__cpp_nontype_template_args != 201411"
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#endif
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#ifndef __cpp_hex_float
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# error "__cpp_hex_float"
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#elif __cpp_hex_float != 201603
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# error "__cpp_hex_float != 201603"
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#endif
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@ -1,3 +1,8 @@
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2016-03-14 Jason Merrill <jason@redhat.com>
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* expr.c (cpp_classify_number): Hex floats are new in C++1z.
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* init.c (lang_defaults): Likewise.
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2016-03-09 David Malcolm <dmalcolm@redhat.com>
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PR c/68473
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@ -552,7 +552,7 @@ cpp_classify_number (cpp_reader *pfile, const cpp_token *token,
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{
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if (CPP_OPTION (pfile, cplusplus))
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cpp_error_with_line (pfile, CPP_DL_PEDWARN, virtual_location, 0,
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"use of C++11 hexadecimal floating constant");
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"use of C++1z hexadecimal floating constant");
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else
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cpp_error_with_line (pfile, CPP_DL_PEDWARN, virtual_location, 0,
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"use of C99 hexadecimal floating constant");
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@ -105,9 +105,9 @@ static const struct lang_flags lang_defaults[] =
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/* GNUCXX */ { 0, 1, 1, 1, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0 },
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/* CXX98 */ { 0, 1, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 1, 0 },
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/* GNUCXX11 */ { 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 0, 0, 0, 0 },
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/* CXX11 */ { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 0 },
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/* CXX11 */ { 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 0, 0, 1, 0 },
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/* GNUCXX14 */ { 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 0 },
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/* CXX14 */ { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0 },
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/* CXX14 */ { 1, 1, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0 },
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/* GNUCXX1Z */ { 1, 1, 1, 1, 1, 0, 1, 1, 1, 1, 1, 1, 0, 1 },
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/* CXX1Z */ { 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 0, 1 },
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/* ASM */ { 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }
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