[Bug libstdc++/70472] New: is_copy_constructible>>::value is true

2016-03-31 Thread safinaskar at mail dot ru
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70472 Bug ID: 70472 Summary: is_copy_constructible>>::value is true Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Com

[Bug bootstrap/70473] New: genautomata memory footprint for arm

2016-03-31 Thread awiouy at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70473 Bug ID: 70473 Summary: genautomata memory footprint for arm Product: gcc Version: 5.3.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: bootstrap

[Bug bootstrap/70473] genautomata memory footprint for arm

2016-03-31 Thread ktkachov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70473 ktkachov at gcc dot gnu.org changed: What|Removed |Added Keywords||build, memory-hog

[Bug libstdc++/70472] is_copy_constructible>>::value is true

2016-03-31 Thread safinaskar at mail dot ru
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70472 --- Comment #1 from Askar Safin --- Also, this code doesn't compile: http://paste.debian.net/422907/ and I think this is related to this bug. If I decomment noexcept line, it compiles

[Bug target/70421] [5/6 Regression] wrong code with v16si vector and useless cast at -O -mavx512f

2016-03-31 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70421 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/70470] std::min uninitialized value

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70470 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug testsuite/70469] multiple definition error in g++.dg/template/ptrmem30.C

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70469 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/70468] [4.9/5/6 Regression] ICE on valid code on x86_64-linux-gnu in emit_mem_initializers, at cp/init.c:1109

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70468 Richard Biener changed: What|Removed |Added Priority|P3 |P2 Status|UNCONFIRMED

[Bug rtl-optimization/70467] Useless "and [esp],-1" emitted on AND with uint64_t variable

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70467 Richard Biener changed: What|Removed |Added Keywords||missed-optimization Target|

[Bug rtl-optimization/70467] Useless "and [esp],-1" emitted on AND with uint64_t variable

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70467 Richard Biener changed: What|Removed |Added Status|NEW |RESOLVED Known to work|

[Bug c++/70466] ICE on invalid code on x86_64-linux-gnu in tree check: expected constructor, have parm_decl in convert_like_real, at cp/call.c:6371 with -std=c++11

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70466 Richard Biener changed: What|Removed |Added Keywords||ice-on-invalid-code Status|

[Bug target/70465] [4.9/5/6/7 Regression] Poor code for x87 asm

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70465 Richard Biener changed: What|Removed |Added Keywords||missed-optimization Target|

[Bug c++/70462] Unnecessary "base object constructor" for final classes

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70462 Richard Biener changed: What|Removed |Added Keywords||missed-optimization CC|

[Bug rtl-optimization/70461] [6 Regression] Performance regression after r234527

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70461 Richard Biener changed: What|Removed |Added Keywords||missed-optimization, ra Prior

[Bug rtl-optimization/70460] [4.9/5/6 Regression] Miscompilation of glibc on i686-linux starting with r234101

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70460 Richard Biener changed: What|Removed |Added Target Milestone|6.0 |4.9.4

[Bug target/70465] [4.9/5/6/7 Regression] Poor code for x87 asm

2016-03-31 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70465 --- Comment #3 from Uroš Bizjak --- (In reply to Richard Biener from comment #2) > I wonder why __builtin_atan2 doesn't expand to fpatan with fancy-math-387 and > -ffast-math. It does. You also have to use -mfpmath=387 if your compiler defaults

[Bug rtl-optimization/70471] Superfluous move instructions in floating-point instruction sequence

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70471 Richard Biener changed: What|Removed |Added Keywords||missed-optimization, ra Sta

[Bug bootstrap/70473] genautomata memory footprint for arm

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70473 --- Comment #2 from Richard Biener --- I suppose that for specific cases like building a compiler for/on raspi one could disable all but the "interesting" automaton?

[Bug target/70404] pr70174.c fails on s390x

2016-03-31 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70404 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug bootstrap/70473] genautomata memory footprint for arm

2016-03-31 Thread ktkachov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70473 --- Comment #3 from ktkachov at gcc dot gnu.org --- (In reply to Richard Biener from comment #2) > I suppose that for specific cases like building a compiler for/on raspi one > could disable all but the "interesting" automaton? I don't think gena

[Bug target/69614] [4.9/5 Regression] wrong code with -Os -fno-expensive-optimizations -fschedule-insns -mtpcs-leaf-frame -fira-algorithm=priority @ armv7a

2016-03-31 Thread rearnsha at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69614 Richard Earnshaw changed: What|Removed |Added Target Milestone|6.0 |5.4

[Bug c++/70468] [4.9/5/6 Regression] ICE on valid code on x86_64-linux-gnu in emit_mem_initializers, at cp/init.c:1109

2016-03-31 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70468 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org,

[Bug c++/70430] Incorrect result for logical "and" operation with mixed vector and scalar

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70430 --- Comment #3 from Richard Biener --- Author: rguenth Date: Thu Mar 31 08:49:09 2016 New Revision: 234611 URL: https://gcc.gnu.org/viewcvs?rev=234611&root=gcc&view=rev Log: 2016-03-31 Richard Biener PR c++/70430 * typeck.c (

[Bug sanitizer/70474] New: [4.9 Regression] Several hundred asan failures with 4.9.4 on x86_64-apple-darwin15

2016-03-31 Thread dominiq at lps dot ens.fr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70474 Bug ID: 70474 Summary: [4.9 Regression] Several hundred asan failures with 4.9.4 on x86_64-apple-darwin15 Product: gcc Version: 4.9.4 Status: UNCONFIRMED Severi

[Bug c/70475] New: -Wmisleading-indentation quetionable in Eigen

2016-03-31 Thread larsbj at gullik dot net
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70475 Bug ID: 70475 Summary: -Wmisleading-indentation quetionable in Eigen Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c

[Bug c++/70476] New: C++11: Function name declared in unnamed namespace extern "C" gets exernal linkage

2016-03-31 Thread sbergman at redhat dot com
tic void internal14() {} } } all external* should have external linkage and all internal* should have internal linkage when compiled as C++11 or later. But (at least on Linux with recent GCC trunk) > $ gcc/trunk/inst/bin/g++ --version > g++ (GCC) 6.0.0 20160331 (experimental) > Copyrig

[Bug c/70475] -Wmisleading-indentation quetionable in Eigen

2016-03-31 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70475 Markus Trippelsdorf changed: What|Removed |Added CC||trippels at gcc dot gnu.org --- Co

[Bug c/70475] -Wmisleading-indentation quetionable in Eigen

2016-03-31 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70475 --- Comment #2 from Markus Trippelsdorf --- (In reply to Markus Trippelsdorf from comment #1) > See discussion in PR69415. Sorry wrong bug number. IMHO it is OK to warn for the code above.

[Bug sanitizer/70474] [4.9 Regression] Several hundred asan failures with 4.9.4 on x86_64-apple-darwin15

2016-03-31 Thread m.ostapenko at samsung dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70474 --- Comment #1 from Maxim Ostapenko --- Created attachment 38143 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38143&action=edit Proposed patch. Does this patch fix the problem?

[Bug sanitizer/70474] [4.9 Regression] Several hundred asan failures with 4.9.4 on x86_64-apple-darwin15

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70474 Richard Biener changed: What|Removed |Added Target Milestone|--- |4.9.4

[Bug c++/70430] Incorrect result for logical "and" operation with mixed vector and scalar

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70430 Richard Biener changed: What|Removed |Added Known to work||6.0 Target Milestone|---

[Bug target/70404] pr70174.c fails on s390x

2016-03-31 Thread vogt at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70404 --- Comment #3 from Dominik Vogt --- Andreas is already working on the issue, so before anybody spends any more work on this, you should probably coordinate your efforts.

[Bug rtl-optimization/70467] Useless "and [esp],-1" emitted on AND with uint64_t variable

2016-03-31 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70467 Jakub Jelinek changed: What|Removed |Added Status|RESOLVED|REOPENED CC|

[Bug tree-optimization/23471] a*a (for signed ints with -fno-wrapv) is always postive

2016-03-31 Thread glisse at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=23471 --- Comment #3 from Marc Glisse --- The case a*a has been handled for a while, both in fold-const.c (tree_binary_nonnegative_warnv_p) and in VRP. However, the case a*a*a*a*a*a is not handled. In the .optimized dump at -O3, we still have: b_3 =

[Bug target/69890] FAIL: gcc.target/i386/chkp-* on x86_64-apple-darwin15

2016-03-31 Thread ienkovich at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69890 --- Comment #6 from Ilya Enkovich --- (In reply to Dominique d'Humieres from comment #5) > Sorry, but I don't understand what should be done to fix the chkp-stropt-* > tests. Basically all external dependencies just should be removed. There is

[Bug rtl-optimization/70467] Useless "and [esp],-1" emitted on AND with uint64_t variable

2016-03-31 Thread b7.10110111 at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70467 --- Comment #4 from Ruslan --- (In reply to Jakub Jelinek from comment #3) > ... > nothing there is able to optimize & -1 (and similarly | or ^ 0, or & 0, or | > -1). Just a note: the same happens for arithmetic operations, not just bitwise. E.g

[Bug c/70477] New: -Wtautological-compare too aggressive?

2016-03-31 Thread ktkachov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70477 Bug ID: 70477 Summary: -Wtautological-compare too aggressive? Product: gcc Version: 6.0 Status: UNCONFIRMED Keywords: diagnostic Severity: normal Priority: P3

[Bug sanitizer/70474] [4.9 Regression] Several hundred asan failures with 4.9.4 on x86_64-apple-darwin15

2016-03-31 Thread dominiq at lps dot ens.fr
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70474 Dominique d'Humieres changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug rtl-optimization/70467] Useless "and [esp],-1" emitted on AND with uint64_t variable

2016-03-31 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70467 --- Comment #5 from Jakub Jelinek --- For the logicals, e.g. the following works: --- gcc/optabs.c.jj 2016-02-16 16:15:17.0 +0100 +++ gcc/optabs.c2016-03-31 12:53:37.571337401 +0200 @@ -1136,6 +1136,37 @@ expand_binop (machine

[Bug rtl-optimization/70478] New: [LRA] S/390: Performance regression - superfluous stack frame

2016-03-31 Thread krebbel at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70478 Bug ID: 70478 Summary: [LRA] S/390: Performance regression - superfluous stack frame Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Pr

[Bug tree-optimization/23471] a*a (for signed ints with -fno-wrapv) is always postive

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=23471 --- Comment #4 from Richard Biener --- (In reply to Marc Glisse from comment #3) > The case a*a has been handled for a while, both in fold-const.c > (tree_binary_nonnegative_warnv_p) and in VRP. However, the case a*a*a*a*a*a > is not handled. In

[Bug tree-optimization/23471] a*a (for signed ints with -fno-wrapv) is always postive

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=23471 Richard Biener changed: What|Removed |Added CC||rguenth at gcc dot gnu.org --- Comment

[Bug rtl-optimization/70467] Useless "and [esp],-1" emitted on AND with uint64_t variable

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70467 --- Comment #6 from Richard Biener --- I would have expected simplify_rtx to eventually handle all interesting cases.

[Bug c/70477] -Wtautological-compare too aggressive?

2016-03-31 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70477 Marek Polacek changed: What|Removed |Added CC||mpolacek at gcc dot gnu.org --- Comment

[Bug middle-end/69526] ivopts candidate strangeness

2016-03-31 Thread rdapp at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69526 --- Comment #10 from rdapp at linux dot vnet.ibm.com --- Created attachment 38144 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38144&action=edit Tentative patch for VRP and loop-doloop Meanwhile I found the time to implement a pattern for

[Bug rtl-optimization/70471] Superfluous move instructions in floating-point instruction sequence

2016-03-31 Thread schnetter at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70471 --- Comment #2 from Erik Schnetter --- Compiler invocation with "-v" appended: $ /Users/eschnett/src/spack/opt/spack/darwin-x86_64/gcc-4.2.1/gcc-5.3.0-j3ujojmhirf6t2mi5enfosb6545duy42/bin/g++ -fopenmp -march=native -std=gnu++11 -Ofast -S ML_BSSN

[Bug middle-end/69526] ivopts candidate strangeness

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69526 --- Comment #11 from Richard Biener --- (In reply to rdapp from comment #10) > Created attachment 38144 [details] > Tentative patch for VRP and loop-doloop > > Meanwhile I found the time to implement a pattern for VRP which seems to do > the job

[Bug middle-end/69526] ivopts candidate strangeness

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69526 --- Comment #12 from Richard Biener --- So, we don't optimize at -O2 long foo (int a) { return (long)(a + 1) - 1; } Note that (T)(A +- CST1) +- CST2 -> (T)A +- CST3 thus the combined addition in general needs to be done in the larger type _un

[Bug target/70292] ICE in verify_target_availability, at sel-sched.c:1584 with -fno-inline -fno-dce -fschedule-insns -fselective-scheduling -fno-tree-dce -O1

2016-03-31 Thread abel at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70292 Andrey Belevantsev changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug c++/70462] Unnecessary "base object constructor" for final classes

2016-03-31 Thread jason at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70462 --- Comment #2 from Jason Merrill --- (In reply to Richard Biener from comment #1) > Maybe the ABI mandates these nevertheless. Right, the ABI doesn't say anything about final classes. Note that the extra symbol is only an alias; there aren't t

[Bug target/69890] FAIL: gcc.target/i386/chkp-* on x86_64-apple-darwin15

2016-03-31 Thread ienkovich at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69890 --- Comment #7 from Ilya Enkovich --- Created attachment 38145 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=38145&action=edit patch Attached patch seems to work OK on Linux and removes all string.h includes from chkp-str* tests. I belie

[Bug rtl-optimization/70467] Useless "and [esp],-1" emitted on AND with uint64_t variable

2016-03-31 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70467 --- Comment #7 from Jakub Jelinek --- That is correct expectation, but the problem is that no pass that uses it actually manages to update the insn. As I said earlier, the combiner doesn't trigger, because there is just a single insn, nothing to

[Bug rtl-optimization/70460] [4.9/5/6 Regression] Miscompilation of glibc on i686-linux starting with r234101

2016-03-31 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70460 --- Comment #9 from Jakub Jelinek --- Author: jakub Date: Thu Mar 31 13:00:52 2016 New Revision: 234614 URL: https://gcc.gnu.org/viewcvs?rev=234614&root=gcc&view=rev Log: PR rtl-optimization/70460 * ira.c (indirect_jump_optimize)

[Bug target/63874] vtable address generation goes through memory

2016-03-31 Thread ramana at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63874 --- Comment #2 from Ramana Radhakrishnan --- (In reply to Richard Earnshaw from comment #1) > Sounds like this might be confusion between weak definitions and weak > references. If we have a weak reference to the object, we cannot convert it > i

[Bug rtl-optimization/70460] [4.9/5/6 Regression] Miscompilation of glibc on i686-linux starting with r234101

2016-03-31 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70460 --- Comment #10 from Jakub Jelinek --- Author: jakub Date: Thu Mar 31 13:13:13 2016 New Revision: 234617 URL: https://gcc.gnu.org/viewcvs?rev=234617&root=gcc&view=rev Log: PR rtl-optimization/70460 * ira.c (indirect_jump_optimize

[Bug rtl-optimization/70460] [4.9/5/6 Regression] Miscompilation of glibc on i686-linux starting with r234101

2016-03-31 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70460 --- Comment #11 from Jakub Jelinek --- Author: jakub Date: Thu Mar 31 13:21:43 2016 New Revision: 234618 URL: https://gcc.gnu.org/viewcvs?rev=234618&root=gcc&view=rev Log: PR rtl-optimization/70460 * ira.c (indirect_jump_optimize

[Bug rtl-optimization/70460] [4.9/5/6 Regression] Miscompilation of glibc on i686-linux starting with r234101

2016-03-31 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70460 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/70479] New: FMA is not reassociated causing x2 slowdown vs. ICC

2016-03-31 Thread kyukhin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70479 Bug ID: 70479 Summary: FMA is not reassociated causing x2 slowdown vs. ICC Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug tree-optimization/70479] FMA is not reassociated causing x2 slowdown vs. ICC

2016-03-31 Thread kyukhin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70479 --- Comment #1 from Kirill Yukhin --- (In reply to Kirill Yukhin from comment #0) > Compile: > GCC: g++ -march=haswell -Ofast -flto -fopenmp-simd -fpermissive m.cpp -o > m.gcc > ICC: icpc -O3 -ipo -fpermissive -xAVX2 -qopenmp m.cpp -o m.icc C

[Bug tree-optimization/70479] FMA is not reassociated causing x2 slowdown vs. ICC

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70479 --- Comment #2 from Richard Biener --- You mean we fail to handle ternary associative tree codes in GIMPLE reassoc? Yes, that's true. It's not going to be easy to retro-fit there implementation-wise. With rebalancing you mean handling reassoc-w

[Bug rtl-optimization/70478] [LRA] S/390: Performance regression - superfluous stack frame

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70478 Richard Biener changed: What|Removed |Added Keywords||ra Status|UNCONFIRMED

[Bug c++/69564] [5/6 Regression] lto and/or C++ make scimark2 LU slower

2016-03-31 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69564 --- Comment #25 from Richard Biener --- I benchmarked the patch in comment#17 with a full three-run on all_cpp on a Haswell machine with -Ofast -march=native (peak is patched). Estimated Es

[Bug target/64411] ICE: in verify_target_availability, at sel-sched.c:1577 with -Os -mcmodel=medium -fPIC -fschedule-insns -fselective-scheduling

2016-03-31 Thread abel at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64411 --- Comment #4 from Andrey Belevantsev --- Author: abel Date: Thu Mar 31 13:50:15 2016 New Revision: 234620 URL: https://gcc.gnu.org/viewcvs?rev=234620&root=gcc&view=rev Log: Backport from mainline 2016-03-15 Andrey Belevantsev

[Bug target/66660] [ia64] Speculative load not checked before use, leading to a NaT Consumption Vector interruption

2016-03-31 Thread abel at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=0 --- Comment #11 from Andrey Belevantsev --- Author: abel Date: Thu Mar 31 13:55:36 2016 New Revision: 234622 URL: https://gcc.gnu.org/viewcvs?rev=234622&root=gcc&view=rev Log: Backport from mainline 2016-03-15 Andrey Belevantse

[Bug target/70362] Segmentation fault compiling scalar-by-value-4_x.c for ARM arch < 4

2016-03-31 Thread ramana at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70362 Ramana Radhakrishnan changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/62254] [4.9/5/6 Regression] gcc-4.9 ICEs on linux kernel zlib for armv3

2016-03-31 Thread ramana at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62254 Ramana Radhakrishnan changed: What|Removed |Added CC||jmargetts at ocz dot com --- Comm

Re: [BUG] Crash when demangling with libiberty

2016-03-31 Thread Ian Lance Taylor
Philippe Daouadi writes: > I have been given these e-mail addresses by Nick Clifton after > reporting a bug on binutils here: > https://sourceware.org/bugzilla/show_bug.cgi?id=19877 . The bug is in > libiberty, according to him. > > The bug boils down to this command (and objdump, and lldb) crash

[Bug rtl-optimization/69032] [5 Regression] ICE: in cfg_preds_1, at sel-sched-ir.c:4809 with -fsched-pressure -fsel-sched-pipelining -fselective-scheduling

2016-03-31 Thread abel at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69032 --- Comment #4 from Andrey Belevantsev --- Author: abel Date: Thu Mar 31 14:01:22 2016 New Revision: 234624 URL: https://gcc.gnu.org/viewcvs?rev=234624&root=gcc&view=rev Log: Backport from mainline 2016-03-15 Andrey Belevantsev

[Bug tree-optimization/70479] FMA is not reassociated causing x2 slowdown vs. ICC

2016-03-31 Thread kyukhin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70479 --- Comment #3 from Kirill Yukhin --- (In reply to Richard Biener from comment #2) > You mean we fail to handle ternary associative tree codes in GIMPLE reassoc? > Yes, that's true. It's not going to be easy to retro-fit there > implementation-w

[Bug target/62254] [4.9/5/6 Regression] gcc-4.9 ICEs on linux kernel zlib for armv3

2016-03-31 Thread ramana at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62254 Ramana Radhakrishnan changed: What|Removed |Added Target Milestone|4.9.4 |6.0 --- Comment #15 from Ramana R

[Bug inline-asm/70184] Explicit register variables holding function arguments overwritten by conversion libcall

2016-03-31 Thread ramana at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70184 Ramana Radhakrishnan changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug target/70362] Segmentation fault compiling scalar-by-value-4_x.c for ARM arch < 4

2016-03-31 Thread jmargetts at ocz dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70362 --- Comment #3 from Julien Margetts --- Are you suggesting you confirmed the patch associated with bug 62254 fixes this issue? As far as I can tell, in isolation at least, it does not

[Bug rtl-optimization/69102] [4.9/5 Regression] ICE: in move_op_ascend, at sel-sched.c:6138 with -fselective-scheduling2

2016-03-31 Thread abel at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69102 --- Comment #7 from Andrey Belevantsev --- Author: abel Date: Thu Mar 31 14:16:18 2016 New Revision: 234625 URL: https://gcc.gnu.org/viewcvs?rev=234625&root=gcc&view=rev Log: Backport from mainline 2016-03-21 Andrey Belevantsev

[Bug target/62254] [4.9/5/6 Regression] gcc-4.9 ICEs on linux kernel zlib for armv3

2016-03-31 Thread ramana at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=62254 --- Comment #16 from Ramana Radhakrishnan --- (In reply to Nick Clifton from comment #13) > Patch applied. https://gcc.gnu.org/ml/gcc-cvs/2016-03/msg00740.html - just in case someone wants a link to it.

[Bug c++/70480] New: Reduce RTTI code bloat for specified types

2016-03-31 Thread frankhb1989 at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70480 Bug ID: 70480 Summary: Reduce RTTI code bloat for specified types Product: gcc Version: unknown Status: UNCONFIRMED Severity: enhancement Priority: P3 Component:

[Bug target/70362] Segmentation fault compiling scalar-by-value-4_x.c for ARM arch < 4

2016-03-31 Thread ramana at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70362 --- Comment #4 from Ramana Radhakrishnan --- (In reply to Julien Margetts from comment #3) > Are you suggesting you confirmed the patch associated with bug 62254 fixes > this issue? > > As far as I can tell, in isolation at least, it does not >

[Bug c/70297] [5/6 Regression] GCC Segfaults when using -g3

2016-03-31 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70297 --- Comment #10 from Marek Polacek --- Author: mpolacek Date: Thu Mar 31 14:29:15 2016 New Revision: 234626 URL: https://gcc.gnu.org/viewcvs?rev=234626&root=gcc&view=rev Log: PR c/70297 * c-decl.c (merge_decls): Also set TYPE_ALI

[Bug c/70297] [5 Regression] GCC Segfaults when using -g3

2016-03-31 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70297 Marek Polacek changed: What|Removed |Added Summary|[5/6 Regression] GCC|[5 Regression] GCC |Se

[Bug c++/70481] New: [Regression] Libiberty Demangler segfaults

2016-03-31 Thread boehme.marcel at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70481 Bug ID: 70481 Summary: [Regression] Libiberty Demangler segfaults Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug target/70292] ICE in verify_target_availability, at sel-sched.c:1584 with -fno-inline -fno-dce -fschedule-insns -fselective-scheduling -fno-tree-dce -O1

2016-03-31 Thread abel at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70292 Andrey Belevantsev changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/64411] ICE: in verify_target_availability, at sel-sched.c:1577 with -Os -mcmodel=medium -fPIC -fschedule-insns -fselective-scheduling

2016-03-31 Thread abel at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64411 Andrey Belevantsev changed: What|Removed |Added CC||tarasevich at cs dot uni-saarland.

[Bug target/70292] ICE in verify_target_availability, at sel-sched.c:1584 with -fno-inline -fno-dce -fschedule-insns -fselective-scheduling -fno-tree-dce -O1

2016-03-31 Thread abel at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70292 --- Comment #2 from Andrey Belevantsev --- Author: abel Date: Thu Mar 31 14:37:08 2016 New Revision: 234627 URL: https://gcc.gnu.org/viewcvs?rev=234627&root=gcc&view=rev Log: PR target/70292 * gcc.c-torture/pr70292.c: New test.

[Bug target/70362] Segmentation fault compiling scalar-by-value-4_x.c for ARM arch < 4

2016-03-31 Thread jmargetts at ocz dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70362 --- Comment #5 from Julien Margetts --- Yes, I applied both patches, and the test failure is still present, but on closer inspection, it is no longer a segfault, but an internal compiler error: The new assertion in the patch is firing: gcc_

[Bug c++/70476] C++11: Function name declared in unnamed namespace extern "C" gets exernal linkage

2016-03-31 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70476 --- Comment #1 from Jonathan Wakely --- I haven't checked for other relevant rules in the standard, but Clang and EDG give the same result as G++.

[Bug rtl-optimization/69032] [5 Regression] ICE: in cfg_preds_1, at sel-sched-ir.c:4809 with -fsched-pressure -fsel-sched-pipelining -fselective-scheduling

2016-03-31 Thread abel at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69032 Andrey Belevantsev changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug rtl-optimization/69307] [4.9/5 Regression] wrong code with -O2 -fselective-scheduling @ armv7a

2016-03-31 Thread abel at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69307 --- Comment #10 from Andrey Belevantsev --- Author: abel Date: Thu Mar 31 14:50:57 2016 New Revision: 234629 URL: https://gcc.gnu.org/viewcvs?rev=234629&root=gcc&view=rev Log: Backport from mainline 2016-03-12 Andrey Belevantsev

[Bug target/70362] Segmentation fault compiling scalar-by-value-4_x.c for ARM arch < 4

2016-03-31 Thread ramana at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70362 --- Comment #6 from Ramana Radhakrishnan --- Fails at O0 in this case, I cannot type. I still think this is a tail from PR62254 and that should just be reopened.

[Bug c++/70481] [Regression] Libiberty Demangler segfaults

2016-03-31 Thread miyuki at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70481 Mikhail Maltsev changed: What|Removed |Added CC||miyuki at gcc dot gnu.org --- Comment

[Bug target/64411] ICE: in verify_target_availability, at sel-sched.c:1577 with -Os -mcmodel=medium -fPIC -fschedule-insns -fselective-scheduling

2016-03-31 Thread abel at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64411 Andrey Belevantsev changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug libstdc++/54075] [4.7.1] unordered_map insert still slower than 4.6.2

2016-03-31 Thread akim.demaille at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54075 Akim Demaille changed: What|Removed |Added CC||akim.demaille at gmail dot com --- Comme

[Bug libstdc++/54075] [4.7.1] unordered_map insert still slower than 4.6.2

2016-03-31 Thread akim.demaille at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54075 --- Comment #49 from Akim Demaille --- It looks like this story is missing an end.

[Bug target/70404] pr70174.c fails on s390x

2016-03-31 Thread krebbel at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70404 Andreas Krebbel changed: What|Removed |Added Attachment #38142|0 |1 is obsolete|

[Bug target/70453] gcc generates invalid instruction vextractu64x4 (should be: vextracti64x4)

2016-03-31 Thread kyukhin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70453 --- Comment #6 from Kirill Yukhin --- Author: kyukhin Date: Thu Mar 31 15:23:29 2016 New Revision: 234634 URL: https://gcc.gnu.org/viewcvs?rev=234634&root=gcc&view=rev Log: Fix PR target/70453. gcc/ * config/i386/sse.md (define_mode_att

[Bug target/70453] gcc generates invalid instruction vextractu64x4 (should be: vextracti64x4)

2016-03-31 Thread kyukhin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70453 --- Comment #7 from Kirill Yukhin --- Author: kyukhin Date: Thu Mar 31 15:25:33 2016 New Revision: 234635 URL: https://gcc.gnu.org/viewcvs?rev=234635&root=gcc&view=rev Log: Fix PR target/70453. gcc/ * config/i386/sse.md (define_mode_att

[Bug c++/70393] [5/6 Regression] Miscompilation: missing constructor call for static object

2016-03-31 Thread nathan at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70393 --- Comment #7 from Nathan Sidwell --- Author: nathan Date: Thu Mar 31 15:30:33 2016 New Revision: 234636 URL: https://gcc.gnu.org/viewcvs?rev=234636&root=gcc&view=rev Log: PR c++/70393 * varasm.c (output_constructor_regular_fiel

[Bug c++/70393] [5/6 Regression] Miscompilation: missing constructor call for static object

2016-03-31 Thread nathan at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70393 Nathan Sidwell changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/70481] [Regression] Libiberty Demangler segfaults

2016-03-31 Thread boehme.marcel at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70481 --- Comment #2 from Marcel Böhme --- These are two distinct bugs. During fuzzing the btypevec bug appears more often. But it seemed less critical since only NULL is written to the freed memory: work -> btypevec[ret] = NULL; On the other hand, th

[Bug target/70442] [6 Regression] gcc ICE at -O2 and above on valid code on x86_64-linux-gnu in "extract_insn"

2016-03-31 Thread ienkovich at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70442 --- Comment #3 from Ilya Enkovich --- Author: ienkovich Date: Thu Mar 31 15:37:12 2016 New Revision: 234637 URL: https://gcc.gnu.org/viewcvs?rev=234637&root=gcc&view=rev Log: gcc/ PR target/70442 * config/i386/i386.c (scalar_cha

[Bug target/70442] [6 Regression] gcc ICE at -O2 and above on valid code on x86_64-linux-gnu in "extract_insn"

2016-03-31 Thread ienkovich at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70442 Ilya Enkovich changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug rtl-optimization/70467] Useless "and [esp],-1" emitted on AND with uint64_t variable

2016-03-31 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70467 Jakub Jelinek changed: What|Removed |Added CC||uros at gcc dot gnu.org --- Comment #8 f

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