Re: ARM Linux EABI: unwinding through a segfault handler

2015-10-05 Thread Ian Lance Taylor
On Sun, Oct 4, 2015 at 5:09 AM, Matthijs van Duin wrote: > On 4 October 2015 at 10:05, Andrew Haley wrote: >> Do you have GCC copyright assignment > > No, but I hereby license it under the http://www.wtfpl.net/ (or, in > any legal system which acknowledges such an act, place it in public > domain

Re: Division by INT64_MIN

2015-10-05 Thread Joseph Myers
On Mon, 5 Oct 2015, Matthew Fernandez wrote: > tl;dr: Is dividing by INT64_MIN in C undefined behaviour? No, only dividing by 0 or dividing the minimum value of the type by -1 (and the latter should be defined for -fwrapv, see bug 30484). > on x86 is emitted as a call to __divdi3. If the numera

Re: [RFC, VECTOR ABI] Allow __attribute__((vector)) in GCC by default.

2015-10-05 Thread Joseph Myers
On Mon, 5 Oct 2015, Kirill Yukhin wrote: > To enable vectorization of loops w/ calls to math functions it is reasonable > to enable parsing of attribute vector for functions unconditionally and > change GlibC's header file not to use `omp declare simd', but use > __attribute__((vector)) instead.

[RFC, VECTOR ABI] Allow __attribute__((vector)) in GCC by default.

2015-10-05 Thread Kirill Yukhin
Hello, Recently vector ABI was introduced into GCC Vector versions of math functions were incorporated in to GlibC starting from v2.22. Unfortunately, to get this functions work `-fopenmp' switch must be added to compiler invocation. This is due to the fact that vector variant of math functions gen

C++11 support page still says that support is experimental.

2015-10-05 Thread Ilya Popov
Dear GCC community, recently I have seen several questions like "Can I use GCC C++11 for production if even it's own website says it is experimental?", based on a C++11 support page https://gcc.gnu.org/projects/cxx0x.html Can you confirm that the statement is outdated? Shall the wording on t