[Bug target/97795] internal compiler error: in i386_pe_seh_unwind_emit

2020-12-09 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97795 Richard Biener changed: What|Removed |Added Depends on||90458 --- Comment #1 from Richard

[Bug target/90458] mingw64: ICE in i386_pe_seh_unwind_emit, at config/i386/winnt.c:1258 with -fstack-clash-protection

2020-12-09 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90458 Richard Biener changed: What|Removed |Added CC||ebotcazou at gcc dot gnu.org ---

[Bug target/90458] mingw64: ICE in i386_pe_seh_unwind_emit, at config/i386/winnt.c:1258 with -fstack-clash-protection

2020-12-09 Thread ebotcazou at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90458 --- Comment #4 from Eric Botcazou --- > In general on x86 the compiler handles stack allocation (and probing when > stack clash protection is enabled). However, on Windows targets that stuff > is actually handled by calls to __chkstk_ms. > >

[Bug c/98209] printf failed with O1 or above

2020-12-09 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98209 Martin Liška changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug c++/98193] [11 Regression] ICE in native_encode_initializer, at fold-const.c:8454/8424

2020-12-09 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98193 --- Comment #4 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:4164e58bfd5d57e7399f91c7c27ae6ccebc7dcb0 commit r11-5874-g4164e58bfd5d57e7399f91c7c27ae6ccebc7dcb0 Author: Jakub Jelinek Date:

[Bug tree-optimization/98199] [11 Regression] ICE: Aborted (stack smashing detected)

2020-12-09 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98199 --- Comment #6 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:0673fc691175bfdb72d70c2fbbfcad238a3a9942 commit r11-5875-g0673fc691175bfdb72d70c2fbbfcad238a3a9942 Author: Jakub Jelinek Date:

[Bug c++/98193] [11 Regression] ICE in native_encode_initializer, at fold-const.c:8454/8424

2020-12-09 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98193 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug middle-end/98209] [8/9/10/11 Regression] printf failed with O1 or above

2020-12-09 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98209 Richard Biener changed: What|Removed |Added Target Milestone|--- |8.5 Component|c

[Bug tree-optimization/98211] [11 Regression] Wrong code at -O3 since r11-4482-gb626b00823af9ca9

2020-12-09 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98211 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug middle-end/98209] [8/9/10/11 Regression] printf failed with O1 or above

2020-12-09 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98209 --- Comment #6 from Martin Liška --- Started with r8-2658-g9b25e12d2d940a61.

[Bug middle-end/98209] [8/9/10/11 Regression] printf failed with O1 or above

2020-12-09 Thread rguenther at suse dot de via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98209 --- Comment #7 from rguenther at suse dot de --- On Wed, 9 Dec 2020, marxin at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98209 > > --- Comment #6 from Martin Liška --- > Started with r8-2658-g9b25e12d2d940a61.

[Bug tree-optimization/98199] [11 Regression] ICE: Aborted (stack smashing detected)

2020-12-09 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98199 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c/98200] [GIMPLE FE] ICE with parsing ternary expr with -fgimple

2020-12-09 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98200 Richard Biener changed: What|Removed |Added Last reconfirmed||2020-12-09

[Bug fortran/98203] [11 Regression] ICE in gfc_trans_omp_do, at fortran/trans-openmp.c:4665 since r11-349-gf884bef21cccc05d

2020-12-09 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98203 Richard Biener changed: What|Removed |Added Priority|P4 |P3

[Bug middle-end/98209] [8/9/10/11 Regression] printf failed with O1 or above

2020-12-09 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98209 Richard Biener changed: What|Removed |Added CC||hubicka at gcc dot gnu.org,

[Bug tree-optimization/95396] [8/9/10/11 Regression] GCC produces incorrect code with -O3 for loops since r8-6511-g3ae129323d150621

2020-12-09 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95396 --- Comment #9 from Richard Biener --- should link all the split_constant_offset issues together ...

Re: [Bug rtl-optimization/97092] [10/11 Regression] aarch64, SVE: ICE in ira-color.c since r10-4752-g2d56600c

2020-12-09 Thread Andrea Corallo via Gcc-bugs
What is going on is that in 'update_costs_from_allocno' we try to identify the smallest mode using narrower_subreg_mode to then update the costs. The two modes involved here are E_DImode and E_VNx2QImode, cause these are not ordered we ICE in 'paradoxical_subreg_p'. Now I don't know if the

[Bug rtl-optimization/97092] [10/11 Regression] aarch64, SVE: ICE in ira-color.c since r10-4752-g2d56600c

2020-12-09 Thread andrea.corallo at arm dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97092 --- Comment #3 from Andrea Corallo --- What is going on is that in 'update_costs_from_allocno' we try to identify the smallest mode using narrower_subreg_mode to then update the costs. The two modes involved here are E_DImode and E_VNx2QImode,

[Bug tree-optimization/98169] isnan pattern not folded

2020-12-09 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98169 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #3

[Bug testsuite/98114] [11 regression] FAIL: gcc.target/i386/avx512vl-vandnpd-2.c execution test caused by r11-5391

2020-12-09 Thread crazylht at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98114 Hongtao.liu changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug tree-optimization/98211] New: [11 Regression] Wrong code at -O3 since r11-4482-gb626b00823af9ca9

2020-12-09 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98211 Bug ID: 98211 Summary: [11 Regression] Wrong code at -O3 since r11-4482-gb626b00823af9ca9 Product: gcc Version: 11.0 Status: UNCONFIRMED Keywords: wrong-code

[Bug tree-optimization/98211] [11 Regression] Wrong code at -O3 since r11-4482-gb626b00823af9ca9

2020-12-09 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98211 Martin Liška changed: What|Removed |Added Ever confirmed|0 |1 Known to work|

[Bug middle-end/98190] [11 Regression] GCC11 miscompiles code using _Bool when inlining: bfxil instruction misused since r11-165

2020-12-09 Thread rsandifo at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98190 --- Comment #10 from rsandifo at gcc dot gnu.org --- (In reply to Jakub Jelinek from comment #9) > Perhaps some of those checks on the other side are redundant and could be > turned e.g. into gcc_checking_assert of gcc_assert, I bet if the

[Bug c/98209] printf failed with O1 or above

2020-12-09 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98209 Richard Biener changed: What|Removed |Added Status|WAITING |NEW Known to fail|

[Bug target/98210] [11 Regression] SHF_GNU_RETAIN breaks gold linker generated binaries

2020-12-09 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98210 Richard Biener changed: What|Removed |Added Target Milestone|--- |11.0 Summary|SHF_GNU_RETAIN

[Bug target/98196] [11 Regression] aarch64: Wrong code at -O3 -march=armv8.2-a+sve -msve-vector-bits=256 -fvect-cost-model=unlimited

2020-12-09 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98196 --- Comment #4 from Martin Liška --- (In reply to Alex Coplan from comment #3) > @Martin: I originally saw the issue with a testcase generated by YARPGen > (https://github.com/intel/yarpgen), but this only hit the bug with LTO. Oh, cool. I

[Bug middle-end/98190] [11 Regression] GCC11 miscompiles code using _Bool when inlining: bfxil instruction misused since r11-165

2020-12-09 Thread rguenther at suse dot de via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98190 --- Comment #11 from rguenther at suse dot de --- On Wed, 9 Dec 2020, rsandifo at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98190 > > --- Comment #10 from rsandifo at gcc dot gnu.org gnu.org> --- > (In reply to

[Bug middle-end/98190] [11 Regression] GCC11 miscompiles code using _Bool when inlining: bfxil instruction misused since r11-165

2020-12-09 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98190 --- Comment #12 from Jakub Jelinek --- (In reply to rsand...@gcc.gnu.org from comment #10) > If we can't assert, I guess the rule is that we need to extend > whenever we're storing to the MSB of the inner register. We can > do that either by

[Bug tree-optimization/98169] isnan pattern not folded

2020-12-09 Thread denis.campredon at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98169 --- Comment #2 from denis.campredon at gmail dot com --- This also applies to vector types. --- typedef float __attribute__((vector_size(8))) T; T f(T a) { return a != a; } --- Gcc could generate: -- f: xorps xmm1,

[Bug rtl-optimization/98212] New: X86 unoptimal code for float equallity comparison followed by jump

2020-12-09 Thread denis.campredon at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98212 Bug ID: 98212 Summary: X86 unoptimal code for float equallity comparison followed by jump Product: gcc Version: 11.0 Status: UNCONFIRMED Severity: normal

[Bug libgomp/98215] Coalescing memory in target region creates slower code

2020-12-09 Thread rene.jacobsen at deic dot dk via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98215 --- Comment #2 from rene.jacobsen at deic dot dk --- Created attachment 49716 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49716=edit nvptx preprocessed source

[Bug c++/98019] Concepts: compound requirement expression from 'requires' expression is considered discarded-value expression for [[nodiscard]], false positive warning emitted

2020-12-09 Thread jason at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98019 Jason Merrill changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug middle-end/20408] Unnecessary code generated for empty structs

2020-12-09 Thread jason at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=20408 Jason Merrill changed: What|Removed |Added Target Milestone|--- |10.0 Resolution|---

[Bug libstdc++/21796] (v7-branch) std::search not using std::find

2020-12-09 Thread jason at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=21796 Bug 21796 depends on bug 20408, which changed state. Bug 20408 Summary: Unnecessary code generated for empty structs https://gcc.gnu.org/bugzilla/show_bug.cgi?id=20408 What|Removed |Added

[Bug middle-end/98209] [8/9/10/11 Regression] printf failed with O1 or above

2020-12-09 Thread jamesgua at ca dot ibm.com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98209 --- Comment #8 from jamesgua at ca dot ibm.com --- one more function found the same issue: memcpy I guess more functions in libc might have same issue.

[Bug c/98217] New: Prefer a warning for when VLAs declared on stack

2020-12-09 Thread svoboda at cert dot org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98217 Bug ID: 98217 Summary: Prefer a warning for when VLAs declared on stack Product: gcc Version: 10.2.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug tree-optimization/95396] [8/9/10/11 Regression] GCC produces incorrect code with -O3 for loops since r8-6511-g3ae129323d150621

2020-12-09 Thread rsandifo at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95396 --- Comment #10 from rsandifo at gcc dot gnu.org --- Looks like this might have gone latent on trunk. First thought was that it might be g:7b4ea2827d2003c8ffc76cd478f8974360cbd78f, but it seems not.

[Bug target/98210] [11 Regression] SHF_GNU_RETAIN breaks gold linker generated binaries

2020-12-09 Thread hjl.tools at gmail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98210 H.J. Lu changed: What|Removed |Added Resolution|--- |MOVED See Also|

[Bug fortran/98201] CSQRT function gives bad resuts at runtime

2020-12-09 Thread dpozar at ecs dot umass.edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98201 --- Comment #15 from dpozar at ecs dot umass.edu --- attached is the output file from c:\MinGW>objdump -t c:\mingw\programs\testcsqrt.exe >cmdout.txt don't see any reference to libraries, though. thanks, dave

[Bug tree-optimization/98182] [11 Regression] ICE: Segmentation fault (in gimple_verify_flow_info)

2020-12-09 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98182 --- Comment #6 from Martin Liška --- (In reply to Christophe Lyon from comment #5) > The new test if-to-switch-10.c fails on aarch64: > FAIL: gcc.dg/tree-ssa/if-to-switch-10.c scan-tree-dump iftoswitch "Condition > chain with [^\n\r]* BBs

[Bug testsuite/98208] make check's check-fixincludes fails in sys/types.h around AIX_PHYSADR_T_CHECK

2020-12-09 Thread nathan at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98208 --- Comment #6 from Nathan Sidwell --- Created attachment 49720 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49720=edit v2 Ok, I think I'm understanding what fixinclude's testsuite is looking for. Here's an updated patch, using the

Re: [Bug rtl-optimization/97092] [10/11 Regression] aarch64, SVE: ICE in ira-color.c since r10-4752-g2d56600c

2020-12-09 Thread Andrea Corallo via Gcc-bugs
"rsandifo at gcc dot gnu.org via Gcc-bugs" writes: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97092 > > --- Comment #4 from rsandifo at gcc dot gnu.org > --- > (In reply to Andrea Corallo from comment #3) >> Created attachment 49710 [details] >> PR97092.patch >> >> What is going on is

[Bug rtl-optimization/97092] [10/11 Regression] aarch64, SVE: ICE in ira-color.c since r10-4752-g2d56600c

2020-12-09 Thread andrea.corallo at arm dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97092 --- Comment #5 from Andrea Corallo --- "rsandifo at gcc dot gnu.org via Gcc-bugs" writes: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97092 > > --- Comment #4 from rsandifo at gcc dot gnu.org > --- > (In reply to Andrea Corallo from

[Bug target/97875] suboptimal loop vectorization

2020-12-09 Thread clyon at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97875 --- Comment #5 from Christophe Lyon --- Interestingly, if I make arm_builtin_support_vector_misalignment() behave the same for MVE and Neon, the generated code (with __restrict__) becomes: test_vsub_i32: @ args = 0, pretend = 0, frame =

[Bug rtl-optimization/97092] [10/11 Regression] aarch64, SVE: ICE in ira-color.c since r10-4752-g2d56600c

2020-12-09 Thread andrea.corallo at arm dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97092 --- Comment #7 from Andrea Corallo --- "rsandifo at gcc dot gnu.org via Gcc-bugs" writes: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97092 > > --- Comment #6 from rsandifo at gcc dot gnu.org > --- > (In reply to Andrea Corallo from

Re: [Bug rtl-optimization/97092] [10/11 Regression] aarch64, SVE: ICE in ira-color.c since r10-4752-g2d56600c

2020-12-09 Thread Andrea Corallo via Gcc-bugs
"rsandifo at gcc dot gnu.org via Gcc-bugs" writes: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97092 > > --- Comment #6 from rsandifo at gcc dot gnu.org > --- > (In reply to Andrea Corallo from comment #5) >> "rsandifo at gcc dot gnu.org via Gcc-bugs" >> writes: >> >> >

[Bug c++/93083] [C++20] copy deduction rejected when doing CTAD for NTTP

2020-12-09 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93083 --- Comment #7 from CVS Commits --- The releases/gcc-10 branch has been updated by Jason Merrill : https://gcc.gnu.org/g:e6e42891d80c12c4fac36d6273b8d4e31a3d0a2a commit r10-9133-ge6e42891d80c12c4fac36d6273b8d4e31a3d0a2a Author: Jason Merrill

[Bug rtl-optimization/98212] [10/11 Regression] X86 unoptimal code for float equallity comparison followed by jump

2020-12-09 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98212 Jakub Jelinek changed: What|Removed |Added CC||hubicka at gcc dot gnu.org --- Comment

[Bug c/98217] Prefer a warning for when VLAs declared on stack

2020-12-09 Thread svoboda at cert dot org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98217 --- Comment #4 from David Svoboda --- Martin: Thanks. It looks like -Wvla-larger-than=0 is (theoretically) a good way to catch VLA stack declarations. There is still the issue that GCC's -Wvla did not flag use of array[*]. To me that is

[Bug c/98217] Prefer a warning for when VLAs declared on stack

2020-12-09 Thread msebor at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98217 Martin Sebor changed: What|Removed |Added Ever confirmed|0 |1 Severity|normal

[Bug c/98217] Prefer a warning for when VLAs declared on stack

2020-12-09 Thread svoboda at cert dot org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98217 --- Comment #5 from David Svoboda --- Oops, the Clang bug entry is really here: https://bugs.llvm.org/show_bug.cgi?id=48460

[Bug tree-optimization/95396] [8/9/10/11 Regression] GCC produces incorrect code with -O3 for loops since r8-6511-g3ae129323d150621

2020-12-09 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95396 --- Comment #11 from Martin Liška --- (In reply to rsand...@gcc.gnu.org from comment #10) > Looks like this might have gone latent on trunk. First thought > was that it might be g:7b4ea2827d2003c8ffc76cd478f8974360cbd78f, > but it seems not.

[Bug c/98217] Prefer a warning for when VLAs declared on stack

2020-12-09 Thread svoboda at cert dot org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98217 --- Comment #2 from David Svoboda --- I have also submitted a similar bug report to Clang, it is here: https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98217

[Bug fortran/98022] [9/10/11 Regression] ICE in gfc_assign_data_value, at fortran/data.c:468 since r9-3803-ga5fbc2f36a291cbe

2020-12-09 Thread kargl at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98022 kargl at gcc dot gnu.org changed: What|Removed |Added CC||kargl at gcc dot gnu.org ---

[Bug c++/93083] [C++20] copy deduction rejected when doing CTAD for NTTP

2020-12-09 Thread jason at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93083 Jason Merrill changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/98182] [11 Regression] ICE: Segmentation fault (in gimple_verify_flow_info)

2020-12-09 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98182 Martin Liška changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |marxin at gcc dot gnu.org

[Bug target/98214] [10/11 Regression] SVE: Wrong code with -O3 -msve-vector-bits=512

2020-12-09 Thread acoplan at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98214 Alex Coplan changed: What|Removed |Added Target Milestone|--- |10.3 Summary|SVE: Wrong code

[Bug rtl-optimization/97092] [10/11 Regression] aarch64, SVE: ICE in ira-color.c since r10-4752-g2d56600c

2020-12-09 Thread rsandifo at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97092 --- Comment #4 from rsandifo at gcc dot gnu.org --- (In reply to Andrea Corallo from comment #3) > Created attachment 49710 [details] > PR97092.patch > > What is going on is that in 'update_costs_from_allocno' we try to > identify the smallest

[Bug middle-end/98190] [11 Regression] GCC11 miscompiles code using _Bool when inlining: bfxil instruction misused since r11-165

2020-12-09 Thread rguenther at suse dot de via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98190 --- Comment #13 from rguenther at suse dot de --- On Wed, 9 Dec 2020, jakub at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98190 > > --- Comment #12 from Jakub Jelinek --- > (In reply to rsand...@gcc.gnu.org from

[Bug c++/85282] CWG 727 (full specialization in non-namespace scope)

2020-12-09 Thread ppalka at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85282 Patrick Palka changed: What|Removed |Added Assignee|ppalka at gcc dot gnu.org |unassigned at gcc dot gnu.org

[Bug fortran/98201] CSQRT function gives bad resuts at runtime

2020-12-09 Thread sgk at troutmask dot apl.washington.edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98201 --- Comment #16 from Steve Kargl --- On Wed, Dec 09, 2020 at 01:24:20PM +, dpozar at ecs dot umass.edu wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98201 > > --- Comment #15 from dpozar at ecs dot umass.edu --- > attached is the

[Bug testsuite/98208] make check's check-fixincludes fails in sys/types.h around AIX_PHYSADR_T_CHECK

2020-12-09 Thread nathan at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98208 --- Comment #3 from Nathan Sidwell --- Created attachment 49719 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49719=edit patch does this fix it? I can't run the fixinclude testsuite on gcc119 as autogen doesn't appear to be there:

[Bug fortran/98201] CSQRT function gives bad resuts at runtime

2020-12-09 Thread dpozar at ecs dot umass.edu via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98201 --- Comment #17 from dpozar at ecs dot umass.edu --- No, I don't think it is compiled with static option. I am using code blocks, which does not seem to even allow a static option. From: sgk at troutmask dot

[Bug testsuite/98208] make check's check-fixincludes fails in sys/types.h around AIX_PHYSADR_T_CHECK

2020-12-09 Thread iii at linux dot ibm.com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98208 --- Comment #8 from Ilya Leoshkevich --- Hm, can it be that fixincludes/tests/base/sys/types.h simply needs to be updated? For example, here is a similar commit:

[Bug rtl-optimization/97092] [10/11 Regression] aarch64, SVE: ICE in ira-color.c since r10-4752-g2d56600c

2020-12-09 Thread rsandifo at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97092 --- Comment #6 from rsandifo at gcc dot gnu.org --- (In reply to Andrea Corallo from comment #5) > "rsandifo at gcc dot gnu.org via Gcc-bugs" > writes: > > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97092 > > > > --- Comment #4 from

[Bug libgomp/98215] New: Coalescing memory in target region creates slower code

2020-12-09 Thread rene.jacobsen at deic dot dk via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98215 Bug ID: 98215 Summary: Coalescing memory in target region creates slower code Product: gcc Version: 10.2.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug tree-optimization/98182] [11 Regression] ICE: Segmentation fault (in gimple_verify_flow_info)

2020-12-09 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98182 --- Comment #9 from CVS Commits --- The master branch has been updated by Martin Liska : https://gcc.gnu.org/g:33d2f41785b24ad43c5a9d52aa289e33ac838f86 commit r11-5883-g33d2f41785b24ad43c5a9d52aa289e33ac838f86 Author: Martin Liska Date: Wed

[Bug tree-optimization/98182] [11 Regression] ICE: Segmentation fault (in gimple_verify_flow_info)

2020-12-09 Thread marxin at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98182 Martin Liška changed: What|Removed |Added Status|REOPENED|RESOLVED Resolution|---

[Bug c++/92446] [C++20] template argument deduction fails for custom non-type parameters

2020-12-09 Thread jason at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92446 Jason Merrill changed: What|Removed |Added Status|ASSIGNED|RESOLVED Known to fail|

[Bug rtl-optimization/98212] [10/11 Regression] X86 unoptimal code for float equallity comparison followed by jump

2020-12-09 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98212 Jakub Jelinek changed: What|Removed |Added Last reconfirmed||2020-12-09 Ever confirmed|0

[Bug rtl-optimization/98144] REE needs 6GB DF memory when compiling insn-extract.c with RTL checking enabled

2020-12-09 Thread jakub at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98144 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #6

[Bug c++/88355] [c++20] Placeholder non-type template argument type deduction fails with custom types

2020-12-09 Thread emmanuel.le-trong--- via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88355 Emmanuel Le Trong changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug fortran/98022] [9/10/11 Regression] ICE in gfc_assign_data_value, at fortran/data.c:468 since r9-3803-ga5fbc2f36a291cbe

2020-12-09 Thread pault at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98022 --- Comment #3 from Paul Thomas --- Created attachment 49722 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49722=edit Tentative patch for the PR The attached regtests OK and the following runs correctly: module ur contains function

[Bug tree-optimization/98182] [11 Regression] ICE: Segmentation fault (in gimple_verify_flow_info)

2020-12-09 Thread clyon at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98182 --- Comment #8 from Christophe Lyon --- Indeed if-to-switch-1.c fails on aarch64 too, the other ones pass.

[Bug c++/92576] Definition of variable template without initializer is treated as declaration

2020-12-09 Thread jason at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92576 Jason Merrill changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/98216] [C++20] std::array template parameter error with negative values

2020-12-09 Thread redi at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98216 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug libgomp/98215] Coalescing memory in target region creates slower code

2020-12-09 Thread rene.jacobsen at deic dot dk via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98215 --- Comment #1 from rene.jacobsen at deic dot dk --- Created attachment 49715 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49715=edit preprocessed source

[Bug target/92729] [avr] Convert the backend to MODE_CC so it can be kept in future releases

2020-12-09 Thread abebeos at lazaridis dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92729 --- Comment #41 from abebeos at lazaridis dot com --- [RFC] [avr] Toolchain Integration for Testsuite Execution (avr cc0 to mode_cc0 conversion) https://gcc.gnu.org/pipermail/gcc-patches/2020-December/561427.html

[Bug c++/17232] [DR 1640] classes and class template specializations treated differently w.r.t. core issue #337

2020-12-09 Thread jason at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=17232 Jason Merrill changed: What|Removed |Added Status|NEW |RESOLVED Target Milestone|---

[Bug c++/56838] [4.9 regression] GCC svn doesn't compile libreoffice 4.0.1.2

2020-12-09 Thread jason at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=56838 Bug 56838 depends on bug 17232, which changed state. Bug 17232 Summary: [DR 1640] classes and class template specializations treated differently w.r.t. core issue #337 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=17232 What

[Bug c++/97517] 'nullptr_type' not supported by simple_type_specifier'nullptr_type' not supported by direct_abstract_declarator

2020-12-09 Thread mpolacek at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97517 Marek Polacek changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug c++/97517] 'nullptr_type' not supported by simple_type_specifier'nullptr_type' not supported by direct_abstract_declarator

2020-12-09 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97517 --- Comment #3 from CVS Commits --- The master branch has been updated by Marek Polacek : https://gcc.gnu.org/g:fe70679b80f5e6193a0976be41b68d590c7cb2f3 commit r11-5884-gfe70679b80f5e6193a0976be41b68d590c7cb2f3 Author: Marek Polacek Date:

[Bug c++/98216] New: [C++20] std::array template parameter error with negative values

2020-12-09 Thread emmanuel.le-trong--- via Gcc-bugs
b = wrapper {}; auto c = add (a, b); assert (c.arr == MINUS_TWO); // <- should fail assert (c.arr == MINUS_ONE); // <- should pass } Compiled with version 11.0.0 20201209, the first assertion passes and the second fails. It should be the opposite. FWIW, if

[Bug libstdc++/98108] Broken Schwarz counter for iostreams initialization

2020-12-09 Thread redi at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98108 --- Comment #3 from Jonathan Wakely --- I think it's QoI whether this works. "The objects are constructed and the associations are established at some time prior to or during the first time an object of class ios_base::Init is constructed, ..."

[Bug testsuite/98208] make check's check-fixincludes fails in sys/types.h around AIX_PHYSADR_T_CHECK

2020-12-09 Thread iii at linux dot ibm.com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98208 --- Comment #7 from Ilya Leoshkevich --- Still a similar error: sys/types.h /home/iii/gcc/fixincludes/tests/base/sys/types.h differ: byte 243, line 12 *** sys/types.h 2020-12-09 15:57:57.575959676 + ---

[Bug testsuite/98208] make check's check-fixincludes fails in sys/types.h around AIX_PHYSADR_T_CHECK

2020-12-09 Thread nathan at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98208 Nathan Sidwell changed: What|Removed |Added Last reconfirmed||2020-12-09 CC|

[Bug c++/93310] Incorrect constexpr virtual evaluation inside a constructor

2020-12-09 Thread jason at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93310 Jason Merrill changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug tree-optimization/98213] [11 Regression] Never ending compilation at -O3 since r11-161-g283cb9ea6293e813

2020-12-09 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98213 --- Comment #3 from Richard Biener --- OK, so it's "merely" taking a long time (exponential) walking all paths through the CFG. Meh. I have a patch fixing this case but will have to think about some more.

[Bug target/97875] suboptimal loop vectorization

2020-12-09 Thread clyon at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97875 --- Comment #4 from Christophe Lyon --- In both cases (Neon and MVE), DR_TARGET_ALIGNMENT is 8, so the decision to emit a useless loop tail comes from elsewhere. And yes, MVE vldrw.32 and vstrw.32 share the same alignment properties.

[Bug testsuite/98208] make check's check-fixincludes fails in sys/types.h around AIX_PHYSADR_T_CHECK

2020-12-09 Thread iii at linux dot ibm.com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98208 --- Comment #5 from Ilya Leoshkevich --- Oh, just in case: gcc121 is x86_64 CentOS Linux 7, not AIX.

[Bug c++/88355] [c++20] Placeholder non-type template argument type deduction fails with custom types

2020-12-09 Thread redi at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88355 Jonathan Wakely changed: What|Removed |Added Target Milestone|--- |10.0

[Bug c++/88355] [c++20] Placeholder non-type template argument type deduction fails with custom types

2020-12-09 Thread redi at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=88355 --- Comment #5 from Jonathan Wakely --- It was fixed by r273591 so maybe a dup of PR c++/90098 or PR c++/90099 or PR c++/90101

[Bug testsuite/98208] make check's check-fixincludes fails in sys/types.h around AIX_PHYSADR_T_CHECK

2020-12-09 Thread nathan at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98208 --- Comment #9 from Nathan Sidwell --- Created attachment 49721 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=49721=edit v3 oh, I think I'm supposed to run ./genfixes too ...

[Bug middle-end/98190] [11 Regression] GCC11 miscompiles code using _Bool when inlining: bfxil instruction misused since r11-165

2020-12-09 Thread rsandifo at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98190 --- Comment #14 from rsandifo at gcc dot gnu.org --- (In reply to Jakub Jelinek from comment #12) > (In reply to rsand...@gcc.gnu.org from comment #10) > > If we can't assert, I guess the rule is that we need to extend > > whenever we're

[Bug debug/65821] [7 regression] incorrect debug line # info for main

2020-12-09 Thread jason at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65821 Jason Merrill changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/85282] CWG 727 (full specialization in non-namespace scope)

2020-12-09 Thread jason at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=85282 Jason Merrill changed: What|Removed |Added CC||jason at gcc dot gnu.org --- Comment

[Bug rtl-optimization/98144] REE needs 6GB DF memory when compiling insn-extract.c with RTL checking enabled

2020-12-09 Thread amacleod at redhat dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98144 Andrew Macleod changed: What|Removed |Added Status|UNCONFIRMED |ASSIGNED Last reconfirmed|

[Bug testsuite/98208] make check's check-fixincludes fails in sys/types.h around AIX_PHYSADR_T_CHECK

2020-12-09 Thread iii at linux dot ibm.com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98208 --- Comment #4 from Ilya Leoshkevich --- Unfortunately not, with this patch I get: sys/types.h gcc/fixincludes/tests/base/sys/types.h differ: byte 243, line 12 *** sys/types.h 2020-12-09 15:46:15.843503181 + ---

[Bug tree-optimization/98213] [11 Regression] Never ending compilation at -O3 since r11-161-g283cb9ea6293e813

2020-12-09 Thread cvs-commit at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98213 --- Comment #4 from CVS Commits --- The master branch has been updated by Richard Biener : https://gcc.gnu.org/g:84d08255f9f2f7137caf648fcc9dc36101bc893c commit r11-5886-g84d08255f9f2f7137caf648fcc9dc36101bc893c Author: Richard Biener Date:

[Bug tree-optimization/98213] [11 Regression] Never ending compilation at -O3 since r11-161-g283cb9ea6293e813

2020-12-09 Thread rguenth at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98213 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

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