diff options
Diffstat (limited to 'gcc-4.9/gcc/c-family/c-cppbuiltin.c')
| -rw-r--r-- | gcc-4.9/gcc/c-family/c-cppbuiltin.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/c-family/c-cppbuiltin.c b/gcc-4.9/gcc/c-family/c-cppbuiltin.c index 2f2e7bae8..6a697f666 100644 --- a/gcc-4.9/gcc/c-family/c-cppbuiltin.c +++ b/gcc-4.9/gcc/c-family/c-cppbuiltin.c @@ -969,6 +969,33 @@ c_cpp_builtins (cpp_reader *pfile) if (c_dialect_cxx () && TYPE_UNSIGNED (wchar_type_node)) cpp_define (pfile, "__WCHAR_UNSIGNED__"); + /* Tell source code if the compiler makes sync_compare_and_swap + builtins available. */ +#ifdef HAVE_sync_compare_and_swapqi + if (HAVE_sync_compare_and_swapqi) + cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_1"); +#endif + +#ifdef HAVE_sync_compare_and_swaphi + if (HAVE_sync_compare_and_swaphi) + cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_2"); +#endif + +#ifdef HAVE_sync_compare_and_swapsi + if (HAVE_sync_compare_and_swapsi) + cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_4"); +#endif + +#ifdef HAVE_sync_compare_and_swapdi + if (HAVE_sync_compare_and_swapdi) + cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_8"); +#endif + +#ifdef HAVE_sync_compare_and_swapti + if (HAVE_sync_compare_and_swapti) + cpp_define (pfile, "__GCC_HAVE_SYNC_COMPARE_AND_SWAP_16"); +#endif + cpp_atomic_builtins (pfile); #ifdef DWARF2_UNWIND_INFO @@ -1028,6 +1055,8 @@ c_cpp_builtins (cpp_reader *pfile) format. */ if (ENABLE_DECIMAL_FLOAT && ENABLE_DECIMAL_BID_FORMAT) cpp_define (pfile, "__DECIMAL_BID_FORMAT__"); + if (c_dialect_cxx () && flag_sized_delete) + cpp_define (pfile, "__GXX_DELETE_WITH_SIZE__"); } /* Pass an object-like macro. If it doesn't lie in the user's |