[Bug target/69648] New: wrong code with -O -mtune=winchip-c6 -fPIC -fexpensive-optimizations -msse4 @ i686

2016-02-02 Thread zsojka at seznam dot cz
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69648 Bug ID: 69648 Summary: wrong code with -O -mtune=winchip-c6 -fPIC -fexpensive-optimizations -msse4 @ i686 Product: gcc Version: 6.0 Status: UNCONFIRMED Keywords

[Bug target/69644] ICE with -O on __sync_bool_compare_and_swap with short in extract_insn, at recog.c:2286

2016-02-02 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69644 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #2

[Bug target/69647] gcc build for avr-unknown-elf

2016-02-02 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69647 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug target/69647] New: gcc build for avr-unknown-elf

2016-02-02 Thread pieter.cardoen at hotmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69647 Bug ID: 69647 Summary: gcc build for avr-unknown-elf Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: target

[Bug fortran/69646] New: multiple warnings with -Wintrinsics-std

2016-02-02 Thread Joost.VandeVondele at mat dot ethz.ch
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69646 Bug ID: 69646 Summary: multiple warnings with -Wintrinsics-std Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran

[Bug tree-optimization/69184] [6 Regression] ICE in copy_cond_phi_nodes, at graphite-isl-ast-to-gimple.c:2685

2016-02-02 Thread ssaraswati at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69184 Sujoy changed: What|Removed |Added CC||ssaraswati at gmail dot com --- Comment #3 from

[Bug target/69461] [6 Regression] ICE in lra_set_insn_recog_data, at lra.c:964

2016-02-02 Thread aoliva at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69461 Alexandre Oliva changed: What|Removed |Added Assignee|aoliva at gcc dot gnu.org |vmakarov at gcc dot gnu.org --

[Bug rtl-optimization/69102] [4.9/5/6 Regression] ICE: in move_op_ascend, at sel-sched.c:6138 with -fselective-scheduling2

2016-02-02 Thread rth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69102 --- Comment #5 from Richard Henderson --- (In reply to Andrey Belevantsev from comment #4) > Created attachment 37550 [details] > proposed patch > > The problem here is readonly dependence contexts in selective scheduler. > We're trying to cach

[Bug c++/30811] __FUNCTION__ allowed in function declaration

2016-02-02 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=30811 Martin Sebor changed: What|Removed |Added Last reconfirmed||2016-2-2 --- Comment #7 from Martin Sebor

[Bug c/69643] Address space discarded

2016-02-02 Thread rth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69643 Richard Henderson changed: What|Removed |Added Summary|Address space discarded |Address space discarded

[Bug target/69645] New: powerpc -ffixed- ignored when saving and restoring regs

2016-02-02 Thread amodra at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69645 Bug ID: 69645 Summary: powerpc -ffixed- ignored when saving and restoring regs Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority

[Bug target/69644] ICE with -O on __sync_bool_compare_and_swap with short in extract_insn, at recog.c:2286

2016-02-02 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69644 Martin Sebor changed: What|Removed |Added Target||powerpc64le-*-linux-* Last reconfirmed|

[Bug target/69644] New: ICE with -O on __sync_bool_compare_and_swap with short in extract_insn, at recog.c:2286

2016-02-02 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69644 Bug ID: 69644 Summary: ICE with -O on __sync_bool_compare_and_swap with short in extract_insn, at recog.c:2286 Product: gcc Version: 6.0 Status: UNCONFIRMED Sev

[Bug target/49244] __sync or __atomic builtins will not emit 'lock bts/btr/btc'

2016-02-02 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=49244 Martin Sebor changed: What|Removed |Added Keywords||missed-optimization Status|UN

[Bug target/67032] [4.9/5/6 Regression] Geode optimizations incorrectly return -NaN

2016-02-02 Thread joshkel at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67032 --- Comment #18 from Josh Kelley --- Thank you.

[Bug c/69404] atomic builtins accept incompatible pointers

2016-02-02 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69404 Martin Sebor changed: What|Removed |Added Last reconfirmed||2016-2-2 Known to fail|

[Bug tree-optimization/67282] Wrong code with -floop-nest-optimize

2016-02-02 Thread asolokha at gmx dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67282 --- Comment #3 from Arseny Solokha --- Are gcc 5 and 6 in your setup linked against different versions of ISL? In my case, it was 0.15 for all installed gcc versions back in December and 0.16, for all of them as well, as for now.

[Bug target/63805] ICE: in extract_insn, at recog.c:2327 with -mcpu=power8

2016-02-02 Thread wschmidt at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63805 Bill Schmidt changed: What|Removed |Added Status|WAITING |NEW --- Comment #11 from Bill Schmidt --

[Bug ipa/69241] [6 Regression] ICE with noreturn and function that return non-POD

2016-02-02 Thread ppalka at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69241 --- Comment #13 from Patrick Palka --- (In reply to Patrick Palka from comment #12) > (In reply to Patrick Palka from comment #11) > > More reduced test case, that does not depend on -ipa-icf: > > > > struct R > > { > > R (const R&) { } > > };

[Bug c/69643] New: Address space discarded inside statement expression

2016-02-02 Thread rth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69643 Bug ID: 69643 Summary: Address space discarded inside statement expression Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Compon

[Bug c++/69641] invalid int32 comparison

2016-02-02 Thread manu at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69641 Manuel López-Ibáñez changed: What|Removed |Added CC||manu at gcc dot gnu.org --- Commen

[Bug target/63805] ICE: in extract_insn, at recog.c:2327 with -mcpu=power8

2016-02-02 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63805 --- Comment #10 from Martin Sebor --- Since the manual says that "... The four non-arithmetic functions (load, store, exchange, and compare_exchange) all have a generic version as well. This generic version works on any data type." I believe the

[Bug driver/69642] command-line spell check should know about "no-"

2016-02-02 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69642 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug driver/69453] unrecognized command line option suggestions should take negation into account

2016-02-02 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69453 Andrew Pinski changed: What|Removed |Added CC||segher at gcc dot gnu.org --- Comment #4

[Bug target/63805] ICE: in extract_insn, at recog.c:2327 with -mcpu=power8

2016-02-02 Thread wschmidt at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63805 --- Comment #9 from Bill Schmidt --- Same question for Markus. Sorry for conflating the two of you. :)

[Bug target/63805] ICE: in extract_insn, at recog.c:2327 with -mcpu=power8

2016-02-02 Thread wschmidt at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63805 Bill Schmidt changed: What|Removed |Added Status|NEW |WAITING --- Comment #8 from Bill Schmidt

[Bug target/55522] -funsafe-math-optimizations is unexpectedly harmful, especially w/ -shared

2016-02-02 Thread spathiwa at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55522 --- Comment #10 from Craig Smith --- (In reply to Orion Poplawski from comment #8) > That version does not exist in RHEL7. Looks like it was a Mandriva thing: > https://www.rpmfind.net/linux/RPM/mandriva/devel/cooker/x86_64/media/main/ > release

[Bug driver/69642] New: command-line spell check should know about "no-"

2016-02-02 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69642 Bug ID: 69642 Summary: command-line spell check should know about "no-" Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component

[Bug target/69577] [5/6 Regression] wrong code with -fno-forward-propagate -mavx and 128bit arithmetics since r215450

2016-02-02 Thread rth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69577 Richard Henderson changed: What|Removed |Added CC||rth at gcc dot gnu.org --- Comment #

[Bug c++/69641] invalid int32 comparison

2016-02-02 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69641 Markus Trippelsdorf changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug c++/69641] New: invalid int32 comparison

2016-02-02 Thread vvsed at hotmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69641 Bug ID: 69641 Summary: invalid int32 comparison Product: gcc Version: 5.1.0 Status: UNCONFIRMED Severity: major Priority: P3 Component: c++ Assignee: u

[Bug bootstrap/69611] Bootstrap broken on PowerPC FreeBSD, IEEE 128-bit floating point support.

2016-02-02 Thread joseph at codesourcery dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69611 --- Comment #5 from joseph at codesourcery dot com --- I think it's OK for stage 4 - the t-hardfp point is that you'd get a smaller, faster libgcc on FreeBSD that way, by not compiling soft-fp at all for non-float128 hard float.

[Bug ipa/69241] [6 Regression] ICE with noreturn and function that return non-POD

2016-02-02 Thread ppalka at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69241 --- Comment #12 from Patrick Palka --- (In reply to Patrick Palka from comment #11) > More reduced test case, that does not depend on -ipa-icf: > > struct R > { > R (const R&) { } > }; > > __attribute__ ((noreturn)) R f (); > > R > c () > {

[Bug target/55522] -funsafe-math-optimizations is unexpectedly harmful, especially w/ -shared

2016-02-02 Thread luto at kernel dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55522 Andy Lutomirski changed: What|Removed |Added Severity|enhancement |major --- Comment #9 from Andy Lutomir

[Bug target/55522] -funsafe-math-optimizations is unexpectedly harmful, especially w/ -shared

2016-02-02 Thread orion at cora dot nwra.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55522 --- Comment #8 from Orion Poplawski --- That version does not exist in RHEL7. Looks like it was a Mandriva thing: https://www.rpmfind.net/linux/RPM/mandriva/devel/cooker/x86_64/media/main/release/xz-5.1.2-0.alpha.1.x86_64.html

[Bug c++/69640] ~SomeClass() = default; incorrectly considered a "user-declared destructor"

2016-02-02 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69640 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug ipa/69241] [6 Regression] ICE with noreturn and function that return non-POD

2016-02-02 Thread ppalka at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69241 Patrick Palka changed: What|Removed |Added CC||ppalka at gcc dot gnu.org --- Comment #1

[Bug target/55522] -funsafe-math-optimizations is unexpectedly harmful, especially w/ -shared

2016-02-02 Thread spathiwa at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55522 --- Comment #7 from Craig Smith --- (In reply to Orion Poplawski from comment #6) > (In reply to Craig Smith from comment #5) > > For example, on RHEL 7, liblzma.so.5 is linked with -Ofast, which also > > triggers crtfastmath.o to be used, corrup

[Bug target/55522] -funsafe-math-optimizations is unexpectedly harmful, especially w/ -shared

2016-02-02 Thread orion at cora dot nwra.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55522 --- Comment #6 from Orion Poplawski --- (In reply to Craig Smith from comment #5) > For example, on RHEL 7, liblzma.so.5 is linked with -Ofast, which also > triggers crtfastmath.o to be used, corrupting the mxcsr register at library > load time.

[Bug target/55522] -funsafe-math-optimizations is unexpectedly harmful, especially w/ -shared

2016-02-02 Thread spathiwa at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55522 Craig Smith changed: What|Removed |Added CC||spathiwa at gmail dot com --- Comment #5 f

[Bug c++/69635] 4x increase of build time [4.9 -> 6.0]

2016-02-02 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69635 --- Comment #4 from Markus Trippelsdorf --- (In reply to h2+bugs from comment #3) > Thank you for the quick replies! > > > Did you build gcc6 with --enable-checking=release ? > > I am using the pre-built FreeBSD packages, I have checked, and it

[Bug c++/69635] 4x increase of build time [4.9 -> 6.0]

2016-02-02 Thread h2+bugs at fsfe dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69635 --- Comment #3 from h2+bugs at fsfe dot org --- Thank you for the quick replies! > Did you build gcc6 with --enable-checking=release ? I am using the pre-built FreeBSD packages, I have checked, and it seems it is not the case. That likely explai

[Bug rtl-optimization/69570] [6 Regression] if-conversion bug on i?86

2016-02-02 Thread tom at compton dot nu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69570 --- Comment #14 from Tom Hughes --- Yes upstream took my fix to avoid the equality (https://github.com/mapnik/node-mapnik/pull/589) but have also now noticed that most of the FP can be one away with completely.

[Bug rtl-optimization/69570] [6 Regression] if-conversion bug on i?86

2016-02-02 Thread bernds at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69570 --- Comment #13 from Bernd Schmidt --- Or, you know, operate on integers. Skip the / 255.0 step where it is unnecessary.

[Bug target/69639] [6 Regression] FAIL: gcc.c-torture/compile/limits-exprparen.c

2016-02-02 Thread danglin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69639 --- Comment #1 from John David Anglin --- (gdb) r Starting program: /test/gnu/gcc/objdir/stage1-gcc/cc1 -fpreprocessed limits-exprparen.i -quiet -dumpbase limits-exprparen.c -auxbase-strip limits-exprparen.o -O0 -w -version -fdiagnostics-color=ne

[Bug c++/69640] New: ~SomeClass() = default; incorrectly considered a "user-declared destructor"

2016-02-02 Thread j...@yates-sheets.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69640 Bug ID: 69640 Summary: ~SomeClass() = default; incorrectly considered a "user-declared destructor" Product: gcc Version: unknown Status: UNCONFIRMED Severity: m

[Bug rtl-optimization/67609] [5 Regression] Generates wrong code for SSE2 _mm_load_pd

2016-02-02 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67609 --- Comment #44 from Uroš Bizjak --- (In reply to rsand...@gcc.gnu.org from comment #43) > FWIW, the proposed patch for PR69577 fixes this testcase > with the aarch64_cannot_change_mode_class change reverted. > The code quality looks slightly bet

[Bug target/69639] New: [6 Regression] FAIL: gcc.c-torture/compile/limits-exprparen.c

2016-02-02 Thread danglin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69639 Bug ID: 69639 Summary: [6 Regression] FAIL: gcc.c-torture/compile/limits-exprparen.c Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Pr

[Bug target/69634] [6 Regression] -fcompare-debug failure (length) with -O2 -fno-dce -fschedule-insns -fno-tree-vrp @ i686

2016-02-02 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69634 Jakub Jelinek changed: What|Removed |Added Status|NEW |ASSIGNED CC|

[Bug c++/69638] New: array out of bounds access accepted in constexpr function invocation

2016-02-02 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69638 Bug ID: 69638 Summary: array out of bounds access accepted in constexpr function invocation Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal

[Bug bootstrap/69611] Bootstrap broken on PowerPC FreeBSD, IEEE 128-bit floating point support.

2016-02-02 Thread dje at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69611 --- Comment #4 from David Edelsohn --- Joseph, is the patch proposed in the original description okay as fix for stage 4 or you want a __NO_FPRS__ addressed?

[Bug bootstrap/69611] Bootstrap broken on PowerPC FreeBSD, IEEE 128-bit floating point support.

2016-02-02 Thread meissner at linux dot vnet.ibm.com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69611 --- Comment #3 from Michael Meissner --- On Mon, Feb 01, 2016 at 11:35:35PM +, joseph at codesourcery dot com wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69611 > > --- Comment #1 from joseph at codesourcery dot com dot com> --- >

[Bug c/69612] Optimizer does not consider overflow

2016-02-02 Thread manu at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69612 Manuel López-Ibáñez changed: What|Removed |Added CC||manu at gcc dot gnu.org --- Commen

[Bug c++/69637] New: ICE on an invalid bit-field with template name for width

2016-02-02 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69637 Bug ID: 69637 Summary: ICE on an invalid bit-field with template name for width Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priorit

[Bug fortran/69636] New: ICE(s) on using option -fmodule-private

2016-02-02 Thread gerhard.steinmetz.fort...@t-online.de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69636 Bug ID: 69636 Summary: ICE(s) on using option -fmodule-private Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran

[Bug c/69624] sanitize-coverage=trace-pc miscompiles kernel

2016-02-02 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69624 Jakub Jelinek changed: What|Removed |Added Status|WAITING |RESOLVED Resolution|---

[Bug fortran/69514] ICE with nested array constructor

2016-02-02 Thread gerhard.steinmetz.fort...@t-online.de
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69514 --- Comment #2 from Gerhard Steinmetz --- Test case from comment 0 can be reduced to e.g. $ cat z3.f90 program p real, parameter :: w(2) = [real :: 0, 3.0*[real :: 2]] print *, w end program $ gfortran-6 -c z3.f90 f951: internal compiler

[Bug c++/69635] 4x increase of build time [4.9 -> 6.0]

2016-02-02 Thread trippels at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69635 Markus Trippelsdorf changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug c/69612] Optimizer does not consider overflow

2016-02-02 Thread roarl at pvv dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69612 --- Comment #2 from Roar Lauritzsen --- Thanks a lot for the quick analysis. Now that I know what it is I can fix my program, and the -fsanitize=undefined will come in handy for localizing problem areas. For future googlers, I am planning to fix

[Bug fortran/69423] [6 Regression] Invalid optimization with deferred-length character

2016-02-02 Thread pault at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69423 --- Comment #3 from Paul Thomas --- Dear Anthony, In reply to your email message, this one is high on my list of PRs to fix. A workaround, which could be permanent, is: program tester character(LEN=:), allocatable :: S S= test(2)

[Bug hsa/69568] Invalid HSAIL opcode when using builtin vector

2016-02-02 Thread jamborm at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69568 Martin Jambor changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug c++/69635] 4x increase of build time [4.9 -> 6.0]

2016-02-02 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69635 --- Comment #1 from Jonathan Wakely --- Did you build gcc6 with --enable-checking=release ?

[Bug target/69634] [6 Regression] -fcompare-debug failure (length) with -O2 -fno-dce -fschedule-insns -fno-tree-vrp @ i686

2016-02-02 Thread hjl.tools at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69634 H.J. Lu changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug c++/69635] New: 4x increase of build time [4.9 -> 6.0]

2016-02-02 Thread h2+bugs at fsfe dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69635 Bug ID: 69635 Summary: 4x increase of build time [4.9 -> 6.0] Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug fortran/69296] [6 Regression] [F03] Problem with associate and vector subscript

2016-02-02 Thread vehre at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69296 vehre at gcc dot gnu.org changed: What|Removed |Added Status|ASSIGNED|WAITING --- Comment #5 from ve

[Bug target/64152] internal compiler error: in gen_add2_insn

2016-02-02 Thread renlin at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64152 Renlin Li changed: What|Removed |Added CC||renlin at gcc dot gnu.org --- Comment #3 fro

[Bug target/69634] [6 Regression] -fcompare-debug failure (length) with -O2 -fno-dce -fschedule-insns -fno-tree-vrp @ i686

2016-02-02 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69634 Andrew Pinski changed: What|Removed |Added Keywords||wrong-code Target Milestone|---

[Bug target/69634] New: -fcompare-debug failure (length) with -O2 -fno-dce -fschedule-insns -fno-tree-vrp @ i686

2016-02-02 Thread zsojka at seznam dot cz
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69634 Bug ID: 69634 Summary: -fcompare-debug failure (length) with -O2 -fno-dce -fschedule-insns -fno-tree-vrp @ i686 Product: gcc Version: 6.0 Status: UNCONFIRMED Se

[Bug rtl-optimization/69633] [6 Regression] Redundant move is generated after r228097

2016-02-02 Thread pinskia at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69633 Andrew Pinski changed: What|Removed |Added Keywords||missed-optimization, ra Target Milesto

[Bug rtl-optimization/69633] [6 Regression] Redundant move is generated after r228097

2016-02-02 Thread ysrumyan at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69633 --- Comment #1 from Yuri Rumyantsev --- Created attachment 37559 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37559&action=edit test-case to reproduce Need to be compiled with -O2 -m32 -pie -fPIE. Assume that -march=slm is not needed.

[Bug c++/69632] No error issued for declaring a parameter having a late-specified return type without the 'auto' type specifier

2016-02-02 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69632 Jonathan Wakely changed: What|Removed |Added Keywords||accepts-invalid Status|UNC

[Bug rtl-optimization/69633] New: [6 Regression] Redundant move is generated after r228097

2016-02-02 Thread ysrumyan at gmail dot com
ticed that for attached simple test-case extracted from real benchmark one more redundant move instruction is generated (till 20160202 compiler build): before fix (postreload dump) 86: NOTE_INSN_BASIC_BLOCK 4 40: dx:QI=[si:SI] 41: ax:QI=[si:SI+0x1] 42: {si:SI=si:SI+0x3;clobber flags:CC;}

[Bug c++/69277] [6 Regression] ICE mangling a flexible array member

2016-02-02 Thread msebor at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69277 --- Comment #6 from Martin Sebor --- In response to another patch for a related problem Jason asked me to change the representation of flexible array members in C++. The alternate representation has an impact on how this bug is dealt with so it'

[Bug rtl-optimization/69570] [6 Regression] if-conversion bug on i?86

2016-02-02 Thread bernds at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69570 --- Comment #12 from Bernd Schmidt --- Or lose the equality tests on the max values, instead use something like if (b > r && b >= g) I suppose that could still have problems if b and g are equal and one of them is spilled. Someone who knows tha

[Bug c++/69632] New: No error issued for declaring a parameter having a late-specified return type without the 'auto' type specifier

2016-02-02 Thread ppalka at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69632 Bug ID: 69632 Summary: No error issued for declaring a parameter having a late-specified return type without the 'auto' type specifier Product: gcc Version: 6.0

[Bug lto/69630] [6 Regression] LTO ICE in types_same_for_odr at ipa-devirt.c:402

2016-02-02 Thread burnus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69630 Tobias Burnus changed: What|Removed |Added Target Milestone|--- |6.0

[Bug tree-optimization/67282] Wrong code with -floop-nest-optimize

2016-02-02 Thread mpolacek at gcc dot gnu.org
-system-zlib --disable-bootstrap --disable-libvtv --disable-libcilkrts --disable-libitm --disable-libgomp --disable-libcc1 --disable-libstdcxx-pch --disable-libssp --enable-isl Thread model: posix gcc version 5.3.1 20160202 (GCC) But not anymore with 6.

[Bug c++/69631] New: Bogus overflow in constant expression error

2016-02-02 Thread mpolacek at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69631 Bug ID: 69631 Summary: Bogus overflow in constant expression error Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug target/67032] [4.9/5/6 Regression] Geode optimizations incorrectly return -NaN

2016-02-02 Thread ubizjak at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67032 Uroš Bizjak changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug rtl-optimization/67609] [5 Regression] Generates wrong code for SSE2 _mm_load_pd

2016-02-02 Thread rsandifo at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67609 rsandifo at gcc dot gnu.org changed: What|Removed |Added CC||rsandifo at gcc dot gnu.org

[Bug target/67032] [4.9/5/6 Regression] Geode optimizations incorrectly return -NaN

2016-02-02 Thread uros at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67032 --- Comment #16 from uros at gcc dot gnu.org --- Author: uros Date: Tue Feb 2 16:10:04 2016 New Revision: 233081 URL: https://gcc.gnu.org/viewcvs?rev=233081&root=gcc&view=rev Log: PR target/67032 * config/i386/i386.c (geode_cost)

[Bug target/67032] [4.9/5/6 Regression] Geode optimizations incorrectly return -NaN

2016-02-02 Thread uros at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67032 --- Comment #15 from uros at gcc dot gnu.org --- Author: uros Date: Tue Feb 2 16:08:56 2016 New Revision: 233080 URL: https://gcc.gnu.org/viewcvs?rev=233080&root=gcc&view=rev Log: PR target/67032 * config/i386/i386.c (geode_cost)

[Bug target/67032] [4.9/5/6 Regression] Geode optimizations incorrectly return -NaN

2016-02-02 Thread uros at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=67032 --- Comment #14 from uros at gcc dot gnu.org --- Author: uros Date: Tue Feb 2 16:07:24 2016 New Revision: 233079 URL: https://gcc.gnu.org/viewcvs?rev=233079&root=gcc&view=rev Log: PR target/67032 * config/i386/i386.c (geode_cost)

[Bug libstdc++/69626] [6 Regression] std::strtoll etc. no longer defined in c++98 mode

2016-02-02 Thread redi at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69626 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug lto/69630] [6 Regression] LTO ICE in types_same_for_odr at ipa-devirt.c:402

2016-02-02 Thread burnus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69630 --- Comment #1 from Tobias Burnus --- Created attachment 37557 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=37557&action=edit test.ii test case

[Bug lto/69630] New: [6 Regression] LTO ICE in types_same_for_odr at ipa-devirt.c:402

2016-02-02 Thread burnus at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69630 Bug ID: 69630 Summary: [6 Regression] LTO ICE in types_same_for_odr at ipa-devirt.c:402 Product: gcc Version: 6.0 Status: UNCONFIRMED Severity: normal

[Bug rtl-optimization/69570] [6 Regression] if-conversion bug on i?86

2016-02-02 Thread tom at compton dot nu
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69570 --- Comment #11 from Tom Hughes --- This is C++ so -fexcess-precision=standard is no help as that is C only. Likewise -ffloat-store is, as I understand it, not much help in real world code because you need to make sure that you force stores in o

[Bug tree-optimization/69595] [6 Regression] Bogus -Warray-bound warning due to missed optimization

2016-02-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69595 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/69599] [6 Regression] libgomp.c fipa-pta tests compiled with -flto -flto-partition=max fail in execution

2016-02-02 Thread vries at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69599 vries at gcc dot gnu.org changed: What|Removed |Added Target Milestone|--- |6.0 Summary|libgomp

[Bug target/69613] [6 Regression] wrong code with -O and simple 128bit arithmetics and vectors @ aarch64

2016-02-02 Thread ktkachov at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69613 --- Comment #2 from ktkachov at gcc dot gnu.org --- Bisection shows this started with r226901, the big copyrename dropping patch. I didn't investigate whether it's actually the cause of the bug or just exposes another latent one.

[Bug tree-optimization/69595] [6 Regression] Bogus -Warray-bound warning due to missed optimization

2016-02-02 Thread rguenth at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69595 --- Comment #3 from Richard Biener --- Author: rguenth Date: Tue Feb 2 15:19:32 2016 New Revision: 233076 URL: https://gcc.gnu.org/viewcvs?rev=233076&root=gcc&view=rev Log: 2016-02-02 Richard Biener PR tree-optimization/69595

[Bug c/69624] sanitize-coverage=trace-pc miscompiles kernel

2016-02-02 Thread dvyukov at google dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69624 --- Comment #17 from Dmitry Vyukov --- Jakub, I guess you can close this. Sorry again.

[Bug c/69624] sanitize-coverage=trace-pc miscompiles kernel

2016-02-02 Thread dvyukov at google dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69624 --- Comment #16 from Dmitry Vyukov --- > Could you please push that to the syzkaller tree [1] then? Sorry, syzkaller page referred to outdated patch. I was hoping that Andrew will take it soon, so that I can update the link to a more respected l

[Bug c/69624] sanitize-coverage=trace-pc miscompiles kernel

2016-02-02 Thread jirislaby at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69624 --- Comment #15 from Jiri Slaby --- (In reply to Dmitry Vyukov from comment #14) > If you apply the latest kcov patch "[PATCH v6] kernel: add kcov code > coverage", it should work. Could you please push that to the syzkaller tree [1] then? [1]

[Bug rtl-optimization/69570] [6 Regression] if-conversion bug on i?86

2016-02-02 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69570 --- Comment #10 from Jakub Jelinek --- (In reply to Bernd Schmidt from comment #9) > Ah, of course. > > 804856f: df ec fucomip %st(4),%st > > pc 0x804856f 0x804856f > st00.5019607843137254902

[Bug c/69624] sanitize-coverage=trace-pc miscompiles kernel

2016-02-02 Thread dvyukov at google dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69624 --- Comment #14 from Dmitry Vyukov --- Wait, I already disabled instrumentation of hweight.c for because of this: +# Kernel does not boot if we instrument this file as it uses custom calling +# convention (see CONFIG_ARCH_HWEIGHT_CFLAGS). +KCOV_

[Bug rtl-optimization/69570] [6 Regression] if-conversion bug on i?86

2016-02-02 Thread bernds at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69570 Bernd Schmidt changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug c/69624] sanitize-coverage=trace-pc miscompiles kernel

2016-02-02 Thread jakub at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69624 --- Comment #13 from Jakub Jelinek --- Seems hweight.c is compiled with -fcall-saved-rdi -fcall-saved-rsi -fcall-saved-rdx -fcall-saved-rcx -fcall-saved-r8 -fcall-saved-r9 -fcall-saved-r10 -fcall-saved-r11 but that of course expects that all the

[Bug c/69624] sanitize-coverage=trace-pc miscompiles kernel

2016-02-02 Thread jirislaby at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69624 --- Comment #12 from Jiri Slaby --- (In reply to Jiri Slaby from comment #11) > __sw_hweight32 changes only retval (rax) and parameter (rdi). ... and rdi is stored to and restored from stack.

[Bug c/69624] sanitize-coverage=trace-pc miscompiles kernel

2016-02-02 Thread jirislaby at gmail dot com
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69624 --- Comment #11 from Jiri Slaby --- (In reply to Jakub Jelinek from comment #10) > If you are calling a function (__sw_hweight32) without letting gcc know you > do that, are you sure that function call does not modify any registers other > than "

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