diff options
Diffstat (limited to 'clang')
| -rw-r--r-- | clang/www/c_status.html | 20 |
1 files changed, 19 insertions, 1 deletions
diff --git a/clang/www/c_status.html b/clang/www/c_status.html index 170ab0e1..d8700d6 100644 --- a/clang/www/c_status.html +++ b/clang/www/c_status.html @@ -277,7 +277,25 @@ conformance.</p> <tr> <td>IEC 60559 support</td> <td>Unknown</td> - <td class="unknown" align="center">Unknown</td> + <td class="partial" align="center"> + <details><summary>Partial</summary> + Clang supports much of the language requirements for Annex F, but + full conformance is only possible to determine when considering the + compiler's language support, the C runtime library's math library + support, and the target system's floating-point environment support. + Clang does not currently raise an "invalid" floating-point exception + on certain conversions, does not raise floating-point exceptions for + arithmetic constant expressions, and other corner cases. Note, Clang + does not define <code>__STDC_IEC_559__</code> because the compiler + does not fully conform. However, some C standard library + implementations + (<a href="https://sourceware.org/git/?p=glibc.git;a=blob;f=include/stdc-predef.h"> + glibc</a>, <a href="https://git.musl-libc.org/cgit/musl/tree/include/stdc-predef.h"> + musl</a> will define the macro regardless of compiler support unless + the compiler defines <code>__GCC_IEC_559</code>, which Clang does not + currently define. + </details> + </td> </tr> <tr> <td>trailing comma allowed in enum declaration</td> |