Re: [PATCH] PR libstdc++/80538 Only call sleep for non-zero values

2018-10-13 Thread Bernhard Reutner-Fischer
On 11 October 2018 23:36:15 CEST, Jonathan Wakely wrote: >But I'm assuming that systems with no usleep are probably rare, and >can live with rounding up to sleep for a full second. Well conforming implementations usually won't have usleep which was obscolencent in SUSv3 and removed from SUSv4.

Re: Relocation (= move+destroy)

2018-10-13 Thread Marc Glisse
On Sun, 2 Sep 2018, Jonathan Wakely wrote: On 01/09/18 21:56 +0200, Marc Glisse wrote: On Sat, 1 Sep 2018, Marc Glisse wrote: this patch passed bootstrap+regtest on powerpc64le-unknown-linux-gnu. I realized afterwards that for a C++17-only feature, that's not testing much... So I changed i

Re: [PATCH] PR libstdc++/80538 Only call sleep for non-zero values

2018-10-13 Thread Jonathan Wakely
On Sat, 13 Oct 2018 at 08:49, Bernhard Reutner-Fischer wrote: > > On 11 October 2018 23:36:15 CEST, Jonathan Wakely wrote: > > >But I'm assuming that systems with no usleep are probably rare, and > >can live with rounding up to sleep for a full second. > > Well conforming implementations usually

Re: Building with old gcc

2018-10-13 Thread Jonathan Wakely
On Tue, 9 Oct 2018 at 14:48, Paolo Carlini wrote: > > Hi, > > On 09/10/18 15:33, Jonathan Wakely wrote: > > On Tue, 9 Oct 2018 at 14:30, Paul Koning wrote: > >> I'm trying to build the current code on Linux with GCC 4.3.2 (stock > >> compiler in Fedora 10 which is my old test system). It fails

Re: [Patch, Fortran] PR87597 - fix off-by-one issue with inline matmul

2018-10-13 Thread Dominique d'Humières
Hi Tobias, UNRESOLVED: gfortran.dg/inline_matmul_24.f90 -O0 scan-tree-dump-times optimized "gamma5[__var_1_do * 4 + __var_2_do]" 1 UNRESOLVED: gfortran.dg/inline_matmul_24.f90 -O1 scan-tree-dump-times optimized "gamma5[__var_1_do * 4 + __var_2_do]" 1 UNRESOLVED: gfortran.

Re: Relocation (= move+destroy)

2018-10-13 Thread Jonathan Wakely
On 13/10/18 11:07 +0200, Marc Glisse wrote: --- libstdc++-v3/include/bits/alloc_traits.h(revision 265131) +++ libstdc++-v3/include/bits/alloc_traits.h(working copy) @@ -233,38 +233,43 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION using type = decltype(__test<_Alloc>(0)); };

[PATCH] v2: Run selftests for C++ as well as C

2018-10-13 Thread David Malcolm
On Fri, 2018-10-12 at 14:17 -0400, David Malcolm wrote: > On Fri, 2018-10-12 at 14:45 -0400, David Malcolm wrote: > > [re this thread "ToT build failure?": > > https://gcc.gnu.org/ml/gcc-patches/2017-07/msg00344.html ] > > > > On Thu, 2017-07-06 at 20:58 +0200, Jakub Jelinek wrote: > > > On Thu,

Re: Relocation (= move+destroy)

2018-10-13 Thread Marc Glisse
On Sat, 13 Oct 2018, Jonathan Wakely wrote: On 13/10/18 11:07 +0200, Marc Glisse wrote: --- libstdc++-v3/include/bits/alloc_traits.h(revision 265131) +++ libstdc++-v3/include/bits/alloc_traits.h(working copy) @@ -233,38 +233,43 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION using type =

Fix ICE during RTL CFI generation pass

2018-10-13 Thread Eric Botcazou
This fixes an assertion failure compiling the Ada Web Server package (soap/ soap-message-xml.adb to be precise) at -O2 -gnatn -fPIC on x86/Linux: +===GNAT BUG DETECTED==+ | Pro 20.0w (20181010-90) (i686-pc-linux-gnu) GCC error:

Re: [PATCH] PR libstdc++/80538 Only call sleep for non-zero values

2018-10-13 Thread Bernhard Reutner-Fischer
On 13 October 2018 12:56:14 CEST, Jonathan Wakely wrote: >Yes, of course. We don't even look for usleep unless nanosleep isn't >available, so I mean systems with no nanosleep *and* no usleep. Right. Wasn't obvious to me from just the patch. Sorry for the noise..

[PATCH] i386: Add register source to movddup

2018-10-13 Thread H.J. Lu
Add register source to movddup so that IRA will allow register source for *vec_dupv2di when SSE3 is enabled. gcc/ PR target/87599 * config/i386/sse.md (*vec_dupv2di): Add register source to movddup. gcc/testsuite/ PR target/87599 * gcc.target/i386/pr87599

[PATCH] i386: Also disable AVX512IFMA/AVX5124FMAPS/AVX5124VNNIW

2018-10-13 Thread H.J. Lu
Also disable AVX512IFMA, AVX5124FMAPS and AVX5124VNNIW when disabling AVX512F. gcc/ PR target/87572 * common/config/i386/i386-common.c (OPTION_MASK_ISA_AVX512F_UNSET): Add OPTION_MASK_ISA_AVX512IFMA_UNSET, OPTION_MASK_ISA_AVX5124FMAPS_UNSET and OPTION_MASK_

Re: [PATCH] i386: Add register source to movddup

2018-10-13 Thread Alexander Monakov
On Sat, 13 Oct 2018, H.J. Lu wrote: > Add register source to movddup so that IRA will allow register source > for *vec_dupv2di when SSE3 is enabled. > > gcc/ > > PR target/87599 > * config/i386/sse.md (*vec_dupv2di): Add register source to > movddup. > > gcc/testsuite/ > >

Re: [Patch, Fortran] PR87597 - fix off-by-one issue with inline matmul

2018-10-13 Thread Tobias Burnus
Hi Dominique, Dominique d'Humières wrote: UNRESOLVED: gfortran.dg/inline_matmul_24.f90 -O0 scan-tree-dump-times optimized "gamma5[__var_1_do * 4 + __var_2_do]" 1 ! { dg-final { scan-tree-dump-times "gamma5\[__var_1_do \\* 4 \\+ __var_2_do\]" 1 "optimized" } } Shouldn’t -fdump-tre

Re: [Patch, Fortran] PR87597 - fix off-by-one issue with inline matmul

2018-10-13 Thread Dominique d'Humières
> Le 14 oct. 2018 à 00:43, Tobias Burnus a écrit : > > Hi Dominique, > > Dominique d'Humières wrote: >> UNRESOLVED: gfortran.dg/inline_matmul_24.f90 -O0 scan-tree-dump-times >> optimized "gamma5[__var_1_do * 4 + __var_2_do]" 1 >> >> ! { dg-final { scan-tree-dump-times "gamma5\[_

Re: [PATCH] add simple attribute introspection

2018-10-13 Thread Martin Sebor
Attached is an updated/enhanced patch with many more tests and the suggested documentation tweak. It also restores the handling of empty attributes that the first revision inadvertently removed from the C parser. The tests are much more comprehensive now but still not exhaustive. I have added w