[Bug target/77738] New: Invalid initialisation of ar.lc register

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77738 Bug ID: 77738 Summary: Invalid initialisation of ar.lc register Product: gcc Version: 7.0 Status: UNCONFIRMED Keywords: wrong-code Severity: normal Priority:

[Bug middle-end/68733] [6/7 Regression] FAIL: libgomp.c/target-29.c (internal compiler error)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=68733 --- Comment #10 from John David Anglin --- Similar fails: FAIL: c-c++-common/gomp/clauses-2.c (test for errors, line 51) FAIL: c-c++-common/gomp/clauses-2.c (test for excess errors) FAIL: c-c++-common/gomp/clauses-2.c -std=c++98 (test for

[Bug testsuite/77735] New: FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c (test for warnings, line 358)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77735 Bug ID: 77735 Summary: FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-1.c (test for warnings, line 358) Product: gcc Version: 7.0 Status: UNCONFIRMED Severity:

[Bug bootstrap/77593] [7 Regression] Bootstrap failure with configure-target-libgfortran " cygwin64 Windows 10 anniversary

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77593 --- Comment #10 from n8tm at aol dot com --- Jerry , Thanks for the efforts and apparent progress. I will return to wired internet territory and the win10 box next weekend. I have the win8.1 laptop here. Sent via the ASUS PadFone X mini, an AT

[Bug c++/77733] New: Add fixit hint suggesting to use std::move

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77733 Bug ID: 77733 Summary: Add fixit hint suggesting to use std::move Product: gcc Version: 7.0 Status: UNCONFIRMED Keywords: diagnostic Severity: normal Priority:

[Bug libstdc++/77727] Unwrapping std::optional constructor is not working for non-transferable object

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77727 Ville Voutilainen changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug libstdc++/77727] Unwrapping std::optional constructor is not working for non-transferable object

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77727 --- Comment #2 from Ville Voutilainen --- Patch available: https://gcc.gnu.org/ml/gcc-patches/2016-09/msg01777.html

[Bug middle-end/71509] Bitfield causes load hit store with larger store than load

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71509 --- Comment #4 from Anton Blanchard --- Created attachment 39683 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39683=edit Another bitop LHS test case Here's another issue found in the Linux kernel. Seems like this should be a single

[Bug c++/77731] New: Parameter pack expansion doesn't work when used to define argument list

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77731 Bug ID: 77731 Summary: Parameter pack expansion doesn't work when used to define argument list Product: gcc Version: 6.2.0 Status: UNCONFIRMED Severity:

[Bug bootstrap/77593] [7 Regression] Bootstrap failure with configure-target-libgfortran " cygwin64 Windows 10 anniversary

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77593 --- Comment #9 from Jerry DeLisle --- (In reply to tprince from comment #8) > I show my configure parameters in my test results posts. At some time in > the past, each of them has been important. I don't know if the parameters > quoted by

[Bug target/77730] Fortran performance on aarch64 (6/7 regression heads-up)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77730 --- Comment #5 from PeteVine --- OK, I hacked the last two to use -mcpu=cortex-a53 (the first one got switched to -mtune) and the result looks like this: http://openbenchmarking.org/result/1609258-LO-FORTRANAA63 Not exactly the original issues

[Bug testsuite/77736] New: FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-2.c (test for warnings, line 50)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77736 Bug ID: 77736 Summary: FAIL: gcc.dg/tree-ssa/builtin-sprintf-warn-2.c (test for warnings, line 50) Product: gcc Version: 7.0 Status: UNCONFIRMED Severity:

[Bug tree-optimization/77737] New: FAIL: gcc.dg/tree-ssa/scev-5.c scan-tree-dump-times optimized "" 1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77737 Bug ID: 77737 Summary: FAIL: gcc.dg/tree-ssa/scev-5.c scan-tree-dump-times optimized "" 1 Product: gcc Version: 7.0 Status: UNCONFIRMED Severity: normal

[Bug ipa/77732] New: FAIL: gcc.dg/ipa/ipcp-cstagg-7.c scan-ipa-dump-times cp "Discovered an indirect call to a known target" 3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77732 Bug ID: 77732 Summary: FAIL: gcc.dg/ipa/ipcp-cstagg-7.c scan-ipa-dump-times cp "Discovered an indirect call to a known target" 3 Product: gcc Version: 7.0 Status:

[Bug c++/77733] Add fixit hint suggesting to use std::move

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77733 --- Comment #1 from Jonathan Wakely --- When template argument deduction is involved and the list of candidates is displayed, the fixit becomes more useful, as the relevant function can get lost in the list of failed overload resolution

[Bug testsuite/77734] New: FAIL: gcc.dg/plugin/must-tail-call-1.c -fplugin=./must_tail_call_plugin.so (test for excess errors)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77734 Bug ID: 77734 Summary: FAIL: gcc.dg/plugin/must-tail-call-1.c -fplugin=./must_tail_call_plugin.so (test for excess errors) Product: gcc Version: 7.0

[Bug c++/77739] New: internal compiler error: in create_tmp_var, at gimple-expr.c:524

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77739 Bug ID: 77739 Summary: internal compiler error: in create_tmp_var, at gimple-expr.c:524 Product: gcc Version: 5.4.0 Status: UNCONFIRMED Severity: normal

[Bug target/51244] [SH] Inefficient conditional branch and code around T bit

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=51244 --- Comment #87 from Oleg Endo --- Author: olegendo Date: Sun Sep 25 06:59:37 2016 New Revision: 240471 URL: https://gcc.gnu.org/viewcvs?rev=240471=gcc=rev Log: This fixes a fallout that actually goes back to 5.0 but went unnoticed. The costs

[Bug libstdc++/65122] std::vector doesn't honor element alignment

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65122 --- Comment #19 from Marc Glisse --- (In reply to Andrew Pinski from comment #17) > I think this is fixed for GCC 7 with -std=c++17 support. No, it isn't. new T[10] will give suitably aligned memory, but not std::allocator. Only the core part

[Bug tree-optimization/58122] loops are not evaluated at compile time if loop count > 17

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58122 --- Comment #5 from Oleg Endo --- This issue seems to be working just fine. Not sure what kind of test case to add for this though... just scanning final assembler code for some expected hex or dec constant?

[Bug middle-end/77558] [6/7 regression] c-c++-common/va-arg-va-list-type.c fails for arm/aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77558 Tom de Vries changed: What|Removed |Added Keywords||patch --- Comment #7 from Tom de Vries

[Bug c++/77725] An example from the standard regarding member lookup fails to compile

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77725 Tamir Aviv changed: What|Removed |Added CC||tamiraviv at mail dot tau.ac.il ---

[Bug tree-optimization/56365] [5 Regression] Missed opportunities for smin/smax standard name patterns when compiling as C++

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56365 --- Comment #14 from Oleg Endo --- Richi, if you're not going to backport any patches, maybe close this one as fixed?

[Bug tree-optimization/77719] [7 Regression] ICE in pp_string, at pretty-print.c:955

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77719 --- Comment #6 from Joost VandeVondele --- (In reply to kugan from comment #5) > Sent a patch to fix this at > https://gcc.gnu.org/ml/gcc-patches/2016-09/msg01760.html. Thanks, add this line before the first IF statement to silence the

[Bug rtl-optimization/77714] Wrong code generation for gcc.c-torture/execute/pr51447.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77714 --- Comment #3 from Bernd Edlinger --- because a different pattern is choosen for this insn the reg-note is overwritten here: Choosing alt 2 in insn 48: (0) l (1) l (2) lL {*thumb1_addsi3} Creating newreg=129, assigning class

[Bug target/71767] Endless stream of warnings when using GCC with -Wa,-q and Clang Integrated Assembler

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71767 --- Comment #24 from Dominique d'Humieres --- The patch in comment 20 (and SDK 10.9) causes the failures of the tests gcc.dg/torture/darwin-cfstring-3.c and g++.dg/torture/darwin-cfstring-3.C with -m32, see

[Bug target/77729] aarch64 inserts unneeded uxtb after ldrb, orr ...32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77729 --- Comment #3 from Julian Andres Klode --- Created attachment 39677 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39677=edit arm (thumb2) output at -O2

[Bug target/77729] aarch64 inserts unneeded uxtb after ldrb, orr ...32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77729 --- Comment #2 from Julian Andres Klode --- Created attachment 39676 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39676=edit Aarch64 output at -O2

[Bug target/77729] aarch64 inserts unneeded uxtb after ldrb, orr ...32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77729 --- Comment #1 from Julian Andres Klode --- Created attachment 39675 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39675=edit C reproducer

[Bug target/77729] New: aarch64 inserts unneeded uxtb after ldrb, orr ...32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77729 Bug ID: 77729 Summary: aarch64 inserts unneeded uxtb after ldrb, orr ...32 Product: gcc Version: 6.1.1 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug target/77729] aarch64 inserts unneeded uxtb after ldrb, orr ...32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77729 Andrew Pinski changed: What|Removed |Added CC||pinskia at gcc dot gnu.org --- Comment

[Bug testsuite/77411] object-size-9.c -fpic -m32 failure

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77411 --- Comment #4 from Bernd Edlinger --- Author: edlinger Date: Sun Sep 25 15:12:05 2016 New Revision: 240472 URL: https://gcc.gnu.org/viewcvs?rev=240472=gcc=rev Log: 2016-09-25 Bernd Edlinger backport from

[Bug target/77729] aarch64 inserts unneeded uxtb after ldrb, orr ...32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77729 Florian Weimer changed: What|Removed |Added CC||fw at gcc dot gnu.org --- Comment #7

[Bug target/77729] aarch64 inserts unneeded uxtb after ldrb, orr ...32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77729 --- Comment #8 from Andrew Pinski --- This looks like missing removal of casts. Note in C, char_var|32 is really the same as ((int)char_var)|32

[Bug middle-end/77730] Fortran performance on aarch64 (6/7 regression heads-up)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77730 --- Comment #1 from Andrew Pinski --- One thing I noticed is the generic vector cost model sucks for almost all cores. It causes to emit ld2/ld3 in cases where it would be more expensive than if doing it scalar.

[Bug target/77730] Fortran performance on aarch64 (6/7 regression heads-up)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77730 Andrew Pinski changed: What|Removed |Added Component|middle-end |target --- Comment #2 from Andrew

[Bug target/77729] aarch64 inserts unneeded uxtb after ldrb, orr ...32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77729 --- Comment #5 from Julian Andres Klode --- Created attachment 39678 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=39678=edit ppc64le Hmm, AFAICT the same seems to happen on powerpc64le: lbz 9,0(3)

[Bug target/77729] aarch64 inserts unneeded uxtb after ldrb, orr ...32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77729 --- Comment #6 from Julian Andres Klode --- (In reply to Andrew Pinski from comment #4) > Note this testcase needs to be improved as I have a patch which converts a > switch with just one case and a default into anew if

[Bug target/77729] aarch64 inserts unneeded uxtb after ldrb, orr ...32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77729 --- Comment #9 from Julian Andres Klode --- (In reply to Andrew Pinski from comment #8) > This looks like missing removal of casts. > > Note in C, char_var|32 is really the same as ((int)char_var)|32 Well. The loads of the

[Bug middle-end/77730] New: Fortran performance on aarch64 (6/7 regression heads-up)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77730 Bug ID: 77730 Summary: Fortran performance on aarch64 (6/7 regression heads-up) Product: gcc Version: 6.2.1 Status: UNCONFIRMED Severity: normal

[Bug target/77729] aarch64 inserts unneeded uxtb after ldrb, orr ...32

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77729 Andrew Pinski changed: What|Removed |Added Keywords||missed-optimization

[Bug tree-optimization/77621] [6 Regression] Internal compiler error for mtune=atom + msse2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77621 --- Comment #22 from uros at gcc dot gnu.org --- Author: uros Date: Sun Sep 25 17:07:37 2016 New Revision: 240475 URL: https://gcc.gnu.org/viewcvs?rev=240475=gcc=rev Log: Backport from mainline 2016-09-21 Richard Biener

[Bug tree-optimization/77621] [6 Regression] Internal compiler error for mtune=atom + msse2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77621 Uroš Bizjak changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug target/77730] Fortran performance on aarch64 (6/7 regression heads-up)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77730 --- Comment #3 from PeteVine --- What about ARMv7? http://openbenchmarking.org/result/1609253-LO-MERGE859124

[Bug target/77730] Fortran performance on aarch64 (6/7 regression heads-up)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77730 --- Comment #4 from Andrew Pinski --- (In reply to PeteVine from comment #3) > What about ARMv7? > > http://openbenchmarking.org/result/1609253-LO-MERGE859124 Similar point there. I have seen cortex-a7 and a9 acting way different. Also

[Bug target/71767] Endless stream of warnings when using GCC with -Wa,-q and Clang Integrated Assembler

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71767 --- Comment #25 from Iain Sandoe --- (In reply to Dominique d'Humieres from comment #24) > The patch in comment 20 (and SDK 10.9) causes the failures of the tests > gcc.dg/torture/darwin-cfstring-3.c and g++.dg/torture/darwin-cfstring-3.C > with

[Bug fortran/77694] ICE in optimize_binop_array_assignment, at fortran/frontend-passes.c:1080

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77694 --- Comment #5 from kargl at gcc dot gnu.org --- Author: kargl Date: Sun Sep 25 17:30:27 2016 New Revision: 240476 URL: https://gcc.gnu.org/viewcvs?rev=240476=gcc=rev Log: 2016-09-22 Steven G. Kargl PR

[Bug fortran/77694] ICE in optimize_binop_array_assignment, at fortran/frontend-passes.c:1080

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77694 kargl at gcc dot gnu.org changed: What|Removed |Added Status|NEW |RESOLVED

[Bug tree-optimization/76957] FAIL: gcc.dg/graphite/scop-dsyr2k.c scan-tree-dump-times graphite "number of SCoPs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=76957 --- Comment #4 from John David Anglin --- Similar fail on hppa-unknown-linux-gnu: FAIL: gcc.dg/graphite/scop-dsyrk.c scan-tree-dump-times graphite "number of SCoPs: 1" 1

[Bug fortran/77429] ICE in gfc_check_dependency, at fortran/dependency.c:1261

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77429 --- Comment #3 from kargl at gcc dot gnu.org --- Author: kargl Date: Sun Sep 25 18:46:28 2016 New Revision: 240477 URL: https://gcc.gnu.org/viewcvs?rev=240477=gcc=rev Log: 2016-09-25 Steven G. Kargl PR

[Bug fortran/77429] ICE in gfc_check_dependency, at fortran/dependency.c:1261

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=77429 kargl at gcc dot gnu.org changed: What|Removed |Added Status|NEW |RESOLVED