Re: Sched1 stability issue

2018-07-04 Thread Eric Botcazou
> We noticed a difference in the code generated for aarch64 gcc 7.2 > hosted in Linux vs mingw. AFIK, we are supposed to produce the same > output. Try maybe to compare the automata generated on the hosts, are they identical? -- Eric Botcazou

Re: Sched1 stability issue

2018-07-04 Thread Alexander Monakov
On Wed, 4 Jul 2018, Kugan Vivekanandarajah wrote: > We noticed a difference in the code generated for aarch64 gcc 7.2 > hosted in Linux vs mingw. AFIK, we are supposed to produce the same > output. > > For the testacse we have (quite large and I am trying to reduce), the > difference comes from sc

Re: Understanding tree_swap_operands_p wrt SSA name versions

2018-07-04 Thread Richard Biener
On Tue, Jul 3, 2018 at 9:09 PM Jeff Law wrote: > > On 07/03/2018 11:55 AM, Michael Ploujnikov wrote: > > On 2018-07-03 12:46 PM, Richard Biener wrote: > >> On July 3, 2018 4:56:57 PM GMT+02:00, Michael Ploujnikov > >> wrote: > >>> On 2018-06-20 04:23 AM, Richard Biener wrote: > On Wed, Jun

Re: LTO and other test failures on trunk

2018-07-04 Thread Martin Sebor
On 06/19/2018 04:37 AM, Thomas Schwinge wrote: Hi! In case that you have not yet found it: On Mon, 11 Jun 2018 12:19:23 -0600, Martin Sebor wrote: I've been noticing a number of failures in LTO (and some other) tests in my x86_64-builds most of which don't appear in results reported on gcc-te

gcc-6-20180704 is now available

2018-07-04 Thread gccadmin
Snapshot gcc-6-20180704 is now available on ftp://gcc.gnu.org/pub/gcc/snapshots/6-20180704/ and on various mirrors, see http://gcc.gnu.org/mirrors.html for details. This snapshot has been generated from the GCC 6 SVN branch with the following options: svn://gcc.gnu.org/svn/gcc/branches/gcc-6

About a error reported by gcc

2018-07-04 Thread snow_xmas
Hello. The source in the attachment can not be compiled, because there is a variable in the lambda-introducer does not have a copy-constructor, but have a move-constructor. When a function object constructed by a lambda-expression like this, the compiler will report this error. And I have tr

Re: About a error reported by gcc

2018-07-04 Thread Liu Hao
在 2018/7/5 9:14, snow_xmas 写道: Hello. The source in the attachment can not be compiled, because there is a variable in the lambda-introducer does not have a copy-constructor, but have a move-constructor. When a function object constructed by a lambda-expression like this, the compiler wil

What is the difference between datatype "const_tree" and "tree" ?

2018-07-04 Thread 冠人 王 via gcc
In the function emit_side_effect_warnings, I find its inputs are "location_t loc" and "tree expr". And, there is a function warn_if_unused_value called by emit_side_effect_warnings: emit_side_effect_warnings(location_t loc, tree expr){    ...     else     warn_if_unused_value(expr,loc) } To