[Bug target/71657] Wrong code on trunk gcc (std::out_of_range), westmere

2016-06-26 Thread anton.mitrokhin at phystech dot edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71657 --- Comment #5 from Anton Mitrokhin --- I have compiled this test case in several ways The first two emit no warnings and fail as described: > g++ -Wall -Wextra -std=c++11 -static-libgcc -static-libstdc++ -Ofast > -march=westmere -o out crash_i

[Bug c++/71386] Wrong code on c++14 (GCC trunk)

2016-06-26 Thread anton.mitrokhin at phystech dot edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71386 --- Comment #3 from Anton Mitrokhin --- I see those warnings with -O3, but not with -O0. Why is that? I also do not see what is wrong with the code. Note, that clang with all warnings enabled (and ub sanitizer!) will also not produce any warning

[Bug target/71657] Wrong code on trunk gcc (std::out_of_range), westmere

2016-06-25 Thread anton.mitrokhin at phystech dot edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71657 --- Comment #2 from Anton Mitrokhin --- Comment on attachment 38768 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38768 Reproducer - two files (crash_main.cpp and crash_init.cpp) This attachment is a 7-zip archive

[Bug target/71657] Wrong code on trunk gcc (std::out_of_range), westmere

2016-06-25 Thread anton.mitrokhin at phystech dot edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71657 --- Comment #1 from Anton Mitrokhin --- Created attachment 38768 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38768&action=edit Reproducer - two files (crash_main.cpp and crash_init.cpp)

[Bug target/71657] New: Wrong code on trunk gcc (std::out_of_range), westmere

2016-06-25 Thread anton.mitrokhin at phystech dot edu
Component: target Assignee: unassigned at gcc dot gnu.org Reporter: anton.mitrokhin at phystech dot edu Target Milestone: --- Created attachment 38767 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38767&action=edit Reproducer It looks like there is some king of overflo

[Bug target/71655] New: GCC trunk ICE on westmere target

2016-06-24 Thread anton.mitrokhin at phystech dot edu
Assignee: unassigned at gcc dot gnu.org Reporter: anton.mitrokhin at phystech dot edu Target Milestone: --- Created attachment 38766 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38766&action=edit Reproducer Reproducer: > g++ -std=c++11 -Ofast -march=westmere -o out -c

[Bug target/71470] Wrong code on trunk gcc with westmere target

2016-06-19 Thread anton.mitrokhin at phystech dot edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71470 Anton Mitrokhin changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/71281] [7 Regression] ICE on gcc trunk on knl, wsm, ivb and bdw targets (tree-ssa-reassoc)

2016-06-15 Thread anton.mitrokhin at phystech dot edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71281 Anton Mitrokhin changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/71281] [7 Regression] ICE on gcc trunk on knl, wsm, ivb and bdw targets (tree-ssa-reassoc)

2016-06-10 Thread anton.mitrokhin at phystech dot edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71281 --- Comment #8 from Anton Mitrokhin --- Is this fixed?

[Bug target/71488] New: Wrong code on GCC trunk with ivybridge and westmere targets

2016-06-10 Thread anton.mitrokhin at phystech dot edu
Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: anton.mitrokhin at phystech dot edu Target Milestone: --- Created attachment 38673 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38673&action=edit Reproducer It looks like the

[Bug target/71470] New: Wrong code on trunk gcc with westmere target

2016-06-09 Thread anton.mitrokhin at phystech dot edu
: target Assignee: unassigned at gcc dot gnu.org Reporter: anton.mitrokhin at phystech dot edu Target Milestone: --- Created attachment 38665 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38665&action=edit Reproducer The test fails only in case array sizes are s

[Bug c++/71386] Wrong code on c++14 (GCC trunk)

2016-06-09 Thread anton.mitrokhin at phystech dot edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71386 --- Comment #1 from Anton Mitrokhin --- Could anyone please take a look?

[Bug target/71281] [7 Regression] ICE on gcc trunk on knl, wsm, ivb and bdw targets (tree-ssa-reassoc)

2016-06-03 Thread anton.mitrokhin at phystech dot edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71281 --- Comment #3 from Anton Mitrokhin --- Could anyone please take a look on this? The big reproducer still triggers ICE as for gcc version 7.0.0 20160601 (experimental) (Revision=237011/svn-rev:237016/). The small reproducer seems to work

[Bug target/71389] New: ICE on trunk gcc on ivybridge target (df_refs_verify)

2016-06-02 Thread anton.mitrokhin at phystech dot edu
Component: target Assignee: unassigned at gcc dot gnu.org Reporter: anton.mitrokhin at phystech dot edu Target Milestone: --- Created attachment 38627 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38627&action=edit Reproducer Reproducer: > g++ -std=c++11 -O3 -march

[Bug c++/71386] New: Wrong code on c++14 (GCC trunk)

2016-06-02 Thread anton.mitrokhin at phystech dot edu
++ Assignee: unassigned at gcc dot gnu.org Reporter: anton.mitrokhin at phystech dot edu Target Milestone: --- Created attachment 38625 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38625&action=edit Reproducer It looks like gcc emits wrong code with 14th standard features (or I

[Bug target/71281] ICE on gcc trunk on knl, wsm, ivb and bdw targets (tree-ssa-reassoc)

2016-05-26 Thread anton.mitrokhin at phystech dot edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71281 --- Comment #2 from Anton Mitrokhin --- Created attachment 38571 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38571&action=edit Small reproducer

[Bug target/71281] ICE on gcc trunk on knl, wsm, ivb and bdw targets (tree-ssa-reassoc)

2016-05-25 Thread anton.mitrokhin at phystech dot edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71281 --- Comment #1 from Anton Mitrokhin --- Created attachment 38569 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38569&action=edit Reproducer

[Bug target/71281] New: ICE on gcc trunk on knl, wsm, ivb and bdw targets (tree-ssa-reassoc)

2016-05-25 Thread anton.mitrokhin at phystech dot edu
Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: anton.mitrokhin at phystech dot edu Target Milestone: --- Run any of the: > g++ -std=c++11 -Ofast -march=knl -o out -c crash.cpp > g++ -std=c++11 -Ofast -march=broadwell -o

[Bug target/71280] New: ICE on gcc trunk on knl, wsm, ivb and bdw targets

2016-05-25 Thread anton.mitrokhin at phystech dot edu
: target Assignee: unassigned at gcc dot gnu.org Reporter: anton.mitrokhin at phystech dot edu Target Milestone: --- Created attachment 38568 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38568&action=edit Reproducer Run any of the: > g++ -std=c++11 -Ofast -ma

[Bug target/71279] New: ICE on trunk gcc with knl target

2016-05-25 Thread anton.mitrokhin at phystech dot edu
Assignee: unassigned at gcc dot gnu.org Reporter: anton.mitrokhin at phystech dot edu Target Milestone: --- Created attachment 38567 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38567&action=edit Reproducer Run: > g++ -std=c++11 -O3 -march=knl -o out.o -c crash.c

[Bug tree-optimization/71261] [7 Regression] Trunk GCC hangs on knl and broadwell targets

2016-05-25 Thread anton.mitrokhin at phystech dot edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71261 --- Comment #14 from Anton Mitrokhin --- Add a somehow better reduced test case, which compiles at least 15 minutes (did not test it longer). The original (unreduced) test case is ~900kB and awfully ugly, but if the new reproducer will not suffic

[Bug tree-optimization/71261] [7 Regression] Trunk GCC hangs on knl and broadwell targets

2016-05-25 Thread anton.mitrokhin at phystech dot edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71261 --- Comment #13 from Anton Mitrokhin --- Created attachment 38566 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38566&action=edit Reproducer- at least 15 mins

[Bug target/71261] Trunk GCC hangs on knl and broadwell targets

2016-05-24 Thread anton.mitrokhin at phystech dot edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71261 --- Comment #4 from Anton Mitrokhin --- PR70902 does not hang on knl or broadwell, while this test case hangs on knl, broadwell and it seems to hang on skylake-avx512 as well. So, I am not sure if this case triggers the same bug as the PR70902, o

[Bug target/71261] Trunk GCC hangs on knl and broadwell targets

2016-05-24 Thread anton.mitrokhin at phystech dot edu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71261 --- Comment #2 from Anton Mitrokhin --- Hm, sorry. It's creduce which apparently cut off more than it should have. I'll send another reproducer soon... BTW, 25 senonds on O3 seems a bit too much for such case) On Tue, May 24, 2016 at 7:25 PM, u

[Bug target/71261] New: Trunk GCC hangs on knl and broadwell targets

2016-05-24 Thread anton.mitrokhin at phystech dot edu
: target Assignee: unassigned at gcc dot gnu.org Reporter: anton.mitrokhin at phystech dot edu Target Milestone: --- Created attachment 38555 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38555&action=edit Reproducer Trunk GCC hangs on knl and broadwell targets h

[Bug target/71259] New: GCC trunk emits wrong code

2016-05-24 Thread anton.mitrokhin at phystech dot edu
Assignee: unassigned at gcc dot gnu.org Reporter: anton.mitrokhin at phystech dot edu Target Milestone: --- Created attachment 38552 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38552&action=edit Reproducer GCC trunk generates wrong code with -O3/Ofast on 'ivybridge'

[Bug target/70902] New: GCC freezes while compiling for 'skylake-avx512' target

2016-05-02 Thread anton.mitrokhin at phystech dot edu
ty: normal Priority: P3 Component: target Assignee: unassigned at gcc dot gnu.org Reporter: anton.mitrokhin at phystech dot edu Target Milestone: --- Created attachment 38391 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38391&action=edit Reproducer GCC trunk

[Bug target/70728] New: GCC trunk emits invalid assembly for knl target

2016-04-19 Thread anton.mitrokhin at phystech dot edu
: target Assignee: unassigned at gcc dot gnu.org Reporter: anton.mitrokhin at phystech dot edu Target Milestone: --- Created attachment 38308 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38308&action=edit Reproducer Reproducer: > g++ -std=c++11 -Ofast -march=

[Bug c++/70726] New: Internal compiler error (ICE) on valid code

2016-04-19 Thread anton.mitrokhin at phystech dot edu
++ Assignee: unassigned at gcc dot gnu.org Reporter: anton.mitrokhin at phystech dot edu Target Milestone: --- Created attachment 38307 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38307&action=edit Reproducer GCC gives internal compiler error on knl, broadwell and

[Bug c++/70725] New: Internal compiler error (ICE) on valid code

2016-04-19 Thread anton.mitrokhin at phystech dot edu
++ Assignee: unassigned at gcc dot gnu.org Reporter: anton.mitrokhin at phystech dot edu Target Milestone: --- Created attachment 38306 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38306&action=edit Reproducer Test case produces internal compiler error with skylake