[Bug lto/116535] LTO partitioning vs. offloading compilation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116535 --- Comment #3 from Richard Biener --- The forked processes may not write to any "global" data because forking makes that data not global ... instead any such "global" data has to be computed before forking.

[Bug ipa/116410] modref doesn't generate LTO summaries with -ffat-lto-objects (-ffat-lto-objects generates different and inefficient code compared with -fno-fat-lto-objects)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116410 --- Comment #9 from Richard Biener --- It's also effectively a regression, isn't it? When was the problematical 'else if' introduced?

[Bug ipa/116410] modref doesn't generate LTO summaries with -ffat-lto-objects (-ffat-lto-objects generates different and inefficient code compared with -fno-fat-lto-objects)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116410 --- Comment #10 from Sam James --- r11-5517-g3350e59f298546 and r11-5061-g85ebbabd85e03b, but we added modref in r11-3308-gd119f34c952f87 (so it was broken from the start)

[Bug middle-end/116486] [15 Regression] wrong code with __builtin_stdc_first_leading_one() at -O2 -fno-tree-ccp

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116486 --- Comment #5 from GCC Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:25d51fb7d098a9ac8880ccb2121d889815680177 commit r15-3364-g25d51fb7d098a9ac8880ccb2121d889815680177 Author: Jakub Jelinek Date: M

[Bug middle-end/116486] [15 Regression] wrong code with __builtin_stdc_first_leading_one() at -O2 -fno-tree-ccp

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116486 Jakub Jelinek changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug c/116563] New: Wtautological-compare for memcmp and friends

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116563 Bug ID: 116563 Summary: Wtautological-compare for memcmp and friends Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug target/116564] New: aarch64: gcc can't finish when compiling vst2_f64 instrinsic with opt level >= O1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116564 Bug ID: 116564 Summary: aarch64: gcc can't finish when compiling vst2_f64 instrinsic with opt level >= O1 Product: gcc Version: 15.0 Status: UNCONFIRMED Severi

[Bug libstdc++/116513] mishandles m68k extended real

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116513 --- Comment #1 from Andreas Schwab --- std::strong_order (1.0L, 2.0L) returns equal instead of less.

[Bug target/116564] [12/13/14/15 Regression] aarch64: gcc can't finish when compiling vst2_f64 instrinsic with opt level >= O1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116564 ktkachov at gcc dot gnu.org changed: What|Removed |Added Ever confirmed|0 |1 Target|

[Bug lto/116535] LTO partitioning vs. offloading compilation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116535 --- Comment #4 from Tobias Burnus --- (In reply to Richard Biener from comment #3) > The forked processes may not write to any "global" data because forking > makes that data not global ... instead any such "global" data has to be > computed bef

[Bug target/63521] The AArch64 backend doesn't define REG_ALLOC_ORDER.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63521 ktkachov at gcc dot gnu.org changed: What|Removed |Added Resolution|--- |FIXED Status|NE

[Bug c++/116565] New: ICE in tsubst, at cp/pt.cc:16401

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116565 Bug ID: 116565 Summary: ICE in tsubst, at cp/pt.cc:16401 Product: gcc Version: 14.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug rtl-optimization/116541] [14/15 Regression] Inefficient missing use of reg+reg addressing modes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116541 Tamar Christina changed: What|Removed |Added CC||wilco at gcc dot gnu.org Ever con

[Bug target/116564] [12/13/14/15 Regression] aarch64: gcc can't finish when compiling vst2_f64 instrinsic with opt level >= O1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116564 Alex Coplan changed: What|Removed |Added CC||acoplan at gcc dot gnu.org --- Comment #1

[Bug tree-optimization/116566] New: SLP induction unsupported for variable-length vectors (even for group_size == 1)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116566 Bug ID: 116566 Summary: SLP induction unsupported for variable-length vectors (even for group_size == 1) Product: gcc Version: 15.0 Status: UNCONFIRMED Severit

[Bug libstdc++/116513] mishandles m68k extended real

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116513 --- Comment #2 from GCC Commits --- The master branch has been updated by Andreas Schwab : https://gcc.gnu.org/g:4bf758b212170dba2b5a1881950e949ec4f8a58b commit r15-3379-g4bf758b212170dba2b5a1881950e949ec4f8a58b Author: Andreas Schwab Date:

[Bug target/116564] [12/13/14/15 Regression] aarch64: gcc can't finish when compiling vst2_f64 instrinsic with opt level >= O1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116564 --- Comment #2 from Alex Coplan --- Here's a preprocessed testcase (not for the testsuite, just to make it easier to reproduce using only cc1): #pragma GCC aarch64 "arm_neon.h" typedef double float64_t; __extension__ extern __inline void __at

[Bug libstdc++/116549] std::disable_sized_sentinel_for is missing specialisation for std::move_iterator

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116549 --- Comment #4 from Jonathan Wakely --- I think there's some confusion in terminology. The issue has been "resolved" in the C++ standard, but the resolution is not implemented in libstdc++ yet.

[Bug libstdc++/116549] std::disable_sized_sentinel_for is missing specialisation for std::move_iterator

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116549 Jonathan Wakely changed: What|Removed |Added Target Milestone|--- |13.4 Status|UNCONFIRMED

[Bug c++/116449] Miscompilation and missing bounds check with UBSAN with pointer to member functions and array accesses

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116449 Jakub Jelinek changed: What|Removed |Added CC||ppalka at gcc dot gnu.org --- Comment #

[Bug libstdc++/116549] std::disable_sized_sentinel_for is missing specialisation for std::move_iterator

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116549 --- Comment #5 from Jonathan Wakely --- (In reply to Zhao Dai from comment #0) > Hi, the following code fail to compile: > > ``` > // std=c++23 > > #include > > int main() { > static_assert(not std::sized_sentinel_for); > using S = s

[Bug lto/116535] LTO partitioning vs. offloading compilation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116535 --- Comment #5 from rguenther at suse dot de --- On Mon, 2 Sep 2024, burnus at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116535 > > --- Comment #4 from Tobias Burnus --- > (In reply to Richard Biener from comment #

[Bug libstdc++/116513] mishandles m68k extended real

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116513 Andreas Schwab changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/116449] Miscompilation and missing bounds check with UBSAN with pointer to member functions and array accesses

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116449 Jakub Jelinek changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug target/116564] [12/13/14/15 Regression] aarch64: gcc hangs when compiling vst2_f64 instrinsic at -O1 and above since r12-4910-g66f206b853

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116564 Alex Coplan changed: What|Removed |Added Summary|[12/13/14/15 Regression]|[12/13/14/15 Regression]

[Bug c++/116567] New: Display "Compiler internal error" when using default non-type template parameter.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116567 Bug ID: 116567 Summary: Display "Compiler internal error" when using default non-type template parameter. Product: gcc Version: 14.2.1 Status: UNCONFIRMED Seve

[Bug c++/116511] [14/15 Regression] ICE with enum value used in requires

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116511 Simon Martin changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |simartin at gcc dot gnu.org

[Bug libstdc++/116549] std::disable_sized_sentinel_for is missing specialisation for std::move_iterator

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116549 --- Comment #6 from Zhao Dai --- Thanks for the explanation, Jonathan! I agree that `sized_sentinel_for` is the right way to check sized sentinel. >From the source of `sized_sentinel_for` (https://github.com/gcc-mirror/gcc/blob/master/libstdc%

[Bug c++/116568] New: [modules] ICE when exporting template using of unevaluated lambda in key_mergeable

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116568 Bug ID: 116568 Summary: [modules] ICE when exporting template using of unevaluated lambda in key_mergeable Product: gcc Version: 15.0 Status: UNCONFIRMED Keywo

[Bug c++/99760] [modules] ICE qsort checking failed after modulizing a lot of system headers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99760 Nathaniel Shead changed: What|Removed |Added CC||nshead at gcc dot gnu.org

[Bug c++/99227] [meta-bug] [modules] Bugs relating to header-units of STL header files

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99227 Bug 99227 depends on bug 99760, which changed state. Bug 99760 Summary: [modules] ICE qsort checking failed after modulizing a lot of system headers https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99760 What|Removed

[Bug c++/103524] [meta-bug] modules issue

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103524 Bug 103524 depends on bug 99760, which changed state. Bug 99760 Summary: [modules] ICE qsort checking failed after modulizing a lot of system headers https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99760 What|Removed

[Bug tree-optimization/116569] New: [15 Regression] ICE in to_constant, at poly-int.h:592

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116569 Bug ID: 116569 Summary: [15 Regression] ICE in to_constant, at poly-int.h:592 Product: gcc Version: 15.0 Status: UNCONFIRMED Keywords: aarch64-sve, ice-on-valid-code Sev

[Bug tree-optimization/116569] [15 Regression] ICE in to_constant, at poly-int.h:592

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116569 ktkachov at gcc dot gnu.org changed: What|Removed |Added Target Milestone|--- |15.0

[Bug c++/99879] [modules] ICE in open

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99879 Nathaniel Shead changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug c++/99227] [meta-bug] [modules] Bugs relating to header-units of STL header files

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99227 Bug 99227 depends on bug 99879, which changed state. Bug 99879 Summary: [modules] ICE in open https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99879 What|Removed |Added --

[Bug c++/103524] [meta-bug] modules issue

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103524 Bug 103524 depends on bug 99879, which changed state. Bug 99879 Summary: [modules] ICE in open https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99879 What|Removed |Added

[Bug c++/99227] [meta-bug] [modules] Bugs relating to header-units of STL header files

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99227 Bug 99227 depends on bug 99915, which changed state. Bug 99915 Summary: [modules] ICE in write_location https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99915 What|Removed |Added

[Bug c++/103524] [meta-bug] modules issue

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103524 Bug 103524 depends on bug 99915, which changed state. Bug 99915 Summary: [modules] ICE in write_location https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99915 What|Removed |Added --

[Bug c++/99915] [modules] ICE in write_location

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99915 Nathaniel Shead changed: What|Removed |Added CC||nshead at gcc dot gnu.org

[Bug c++/99227] [meta-bug] [modules] Bugs relating to header-units of STL header files

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99227 Bug 99227 depends on bug 99948, which changed state. Bug 99948 Summary: [modules] ICE in add_mergeable_specialization https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99948 What|Removed |Added --

[Bug c++/103524] [meta-bug] modules issue

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103524 Bug 103524 depends on bug 99948, which changed state. Bug 99948 Summary: [modules] ICE in add_mergeable_specialization https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99948 What|Removed |Added

[Bug c++/99948] [modules] ICE in add_mergeable_specialization

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99948 Nathaniel Shead changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED CC|

[Bug modula2/116557] m2: FSF (physical) mailing address is included in the license header

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116557 --- Comment #2 from GCC Commits --- The master branch has been updated by Gaius Mulley : https://gcc.gnu.org/g:78dc2e2575c602c62d50a9522ea976020a5bf7aa commit r15-3380-g78dc2e2575c602c62d50a9522ea976020a5bf7aa Author: Gaius Mulley Date: Mon

[Bug modula2/116557] m2: FSF (physical) mailing address is included in the license header

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116557 Gaius Mulley changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug modula2/116378] [15 Regression] M2 bootstrap fails on x86_64-darwin after r15-2876

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116378 Gaius Mulley changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/116570] New: Write without read optimization is not applied to custom malloc/free even when marked as such

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116570 Bug ID: 116570 Summary: Write without read optimization is not applied to custom malloc/free even when marked as such Product: gcc Version: 13.3.1 Status: UNCONFIRMED

[Bug rtl-optimization/116560] [13/14/15 Regression] RISC-V : rv32 code optimization , big code difference between 8/9.x and 10.x

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116560 Richard Biener changed: What|Removed |Added Version|unknown |15.0 Target Milestone|---

[Bug middle-end/116562] wrong cost of gather load preventing loop from vectored

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116562 Richard Biener changed: What|Removed |Added Target||aarch64 CC|

[Bug tree-optimization/116569] [15 Regression] ICE in to_constant, at poly-int.h:592

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116569 Alex Coplan changed: What|Removed |Added Last reconfirmed||2024-09-02 Status|UNCONFIRMED

[Bug tree-optimization/116570] Write without read optimization is not applied to custom malloc/free even when marked as such

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116570 --- Comment #1 from uis --- Maybe I need some attribute to mark returned pointer as not potentially being memory-mapped file?

[Bug c++/116502] [15 Regression] -Wunused-result warning cannot be suppressed if coroutine awaiter returns a reference after r15-2318-g2664c1bf83855b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116502 Arsen Arsenović changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigne

[Bug tree-optimization/116224] wrong code with _BitInt() division at -O1 and above (breaks in ccp2?)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116224 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug tree-optimization/116501] wrong code with __builtin_sub_overflow_p() and _BitInt() at -O1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116501 Jakub Jelinek changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug tree-optimization/116570] Write without read optimization is not applied to custom malloc/free even when marked as such

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116570 Xi Ruoyao changed: What|Removed |Added CC||xry111 at gcc dot gnu.org Statu

[Bug tree-optimization/116569] [15 Regression] ICE in to_constant, at poly-int.h:592

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116569 --- Comment #2 from Richard Biener --- Apparently the vectorizer introduces ops that are not supported by the target. Or vector lowering indentifes them wrong.

[Bug target/115921] Missed optimization: and->ashift might be cheaper than ashift->and on typical RISC targets

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115921 --- Comment #3 from Jeffrey A. Law --- IIRC, the reason for that condition to to avoid spoiling certain cases where we want to ultimately generate shNadd instructions. It's a tradeoff. The shadd case is probably more important than avoiding th

[Bug target/116571] New: GCN vs. "lower SLP load permutation to interleaving"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116571 Bug ID: 116571 Summary: GCN vs. "lower SLP load permutation to interleaving" Product: gcc Version: 15.0 Status: UNCONFIRMED Keywords: testsuite-fail Severity: normal

[Bug rtl-optimization/108039] Unnecessary extension storing same value twice to small location

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108039 Jeffrey A. Law changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug rust/116561] gcc/testsuite/rust/execute/torture/iter1.rs:350:5: internal compiler error: 'verify_gimple' failed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116561 Thomas Schwinge changed: What|Removed |Added Keywords||testsuite-fail Ever confirmed|0

[Bug d/115295] [15 regression] Various gdc testsuite regressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115295 --- Comment #10 from GCC Commits --- The master branch has been updated by Alexandre Oliva : https://gcc.gnu.org/g:9223d1715918e4e8e7a59471b228f815b4a3467c commit r15-3384-g9223d1715918e4e8e7a59471b228f815b4a3467c Author: Alexandre Oliva Date

[Bug libstdc++/91486] future::wait_for and shared_timed_mutex::wait_for do not work properly with float duration

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91486 --- Comment #15 from GCC Commits --- The master branch has been updated by Alexandre Oliva : https://gcc.gnu.org/g:410061b15a9b0a464c851173fa568e49c85570dc commit r15-3385-g410061b15a9b0a464c851173fa568e49c85570dc Author: Alexandre Oliva Date:

[Bug tree-optimization/116570] Write without read optimization is not applied to custom malloc/free even when marked as such

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116570 --- Comment #3 from uis --- And there is no way to tell compiler that store is dead without at least disabling writes to globals?

[Bug tree-optimization/36010] Loop interchange not performed

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=36010 Tamar Christina changed: What|Removed |Added CC||tnfchris at gcc dot gnu.org --- Commen

[Bug tree-optimization/116570] Write without read optimization is not applied to custom malloc/free even when marked as such

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116570 --- Comment #4 from uis --- I tried even adding restrict keyword and leaf attribute.

[Bug c++/116572] New: Using a std::string passed to a virtual member function of a side-casted pointer spuriously triggers UBSan on 14.2.0, and ICEs on trunk

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116572 Bug ID: 116572 Summary: Using a std::string passed to a virtual member function of a side-casted pointer spuriously triggers UBSan on 14.2.0, and ICEs on trunk Product: gcc

[Bug tree-optimization/116570] Write without read optimization is not applied to custom malloc/free even when marked as such

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116570 --- Comment #5 from Xi Ruoyao --- (In reply to uis from comment #4) > I tried even adding restrict keyword and leaf attribute. Why would they make any difference? If do_something_with is a macro the leaf attribute won't invalidate my example.

[Bug rtl-optimization/108681] [12 Regression] gcc hangs compiling opencv/channels_combine.cpp for aarch64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108681 Andrew Pinski changed: What|Removed |Added Target Milestone|13.0|12.3

[Bug target/116564] [12/13/14/15 Regression] aarch64: gcc hangs when compiling vst2_f64 instrinsic at -O1 and above since r12-4910-g66f206b853

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116564 --- Comment #4 from Andrew Pinski --- (In reply to Alex Coplan from comment #1) > and it just seems to repeat adding insns {17,10,8}, then {16,14,13}, then 3. (insn 8 6 37 3 (clobber (subreg:V1DF (reg/v:V2x1DF 104 [ __valD.22804 ]) 0)) -1

[Bug c++/116567] ICE when using lamdba as default non-type template parameter.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116567 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Last reconfirmed|

[Bug tree-optimization/116569] [15 Regression] ICE in to_constant, at poly-int.h:592

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116569 Andrew Pinski changed: What|Removed |Added Status|NEW |ASSIGNED --- Comment #3 from Andrew Pin

[Bug tree-optimization/116573] [15 Regression] Recent SLP work appears to generate significantly worse code on RISC-V

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116573 Andrew Pinski changed: What|Removed |Added Keywords||missed-optimization Target Milestone|

[Bug target/116571] [15 Regression] GCN vs. "lower SLP load permutation to interleaving"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116571 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |15.0 Summary|GCN vs. "lower

[Bug target/116571] [15 Regression] GCN vs. "lower SLP load permutation to interleaving"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116571 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Ever confirmed|0

[Bug c/65452] strcmp (foo, foo) could give a warning

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65452 Andrew Pinski changed: What|Removed |Added CC||rv at rasmusvillemoes dot dk --- Comment

[Bug c/116563] Wtautological-compare for memcmp and friends

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116563 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/63521] The AArch64 backend doesn't define REG_ALLOC_ORDER.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63521 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |14.0 --- Comment #8 from Andrew Pinski

[Bug target/63521] The AArch64 backend doesn't define REG_ALLOC_ORDER.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63521 --- Comment #9 from Andrew Pinski --- For future reference here are the 2 discussions about REG_ALLOC_ORDER for aarch64 https://inbox.sourceware.org/gcc-patches/n998ucjwgk1@arm.com/ https://inbox.sourceware.org/gcc-patches/mptjzxhperg@arm

[Bug tree-optimization/116570] Write without read optimization is not applied to custom malloc/free even when marked as such

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116570 --- Comment #6 from uis --- I looked into tree-ssa-dse.cc. Does it only work with builtins? I testes with mismatched free(malloc_test and regular free), store was removed.

[Bug middle-end/114855] ICE: Segfault when compiling large autogenerated C source file

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114855 --- Comment #24 from Aldy Hernandez --- (In reply to Richard Biener from comment #13) > Most of the -O1 dom time is spent in threading using path ranger to simplify > the JT conditions. That in turn does (for each threading from scratch?) > GOR

[Bug middle-end/114855] ICE: Segfault when compiling large autogenerated C source file

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114855 --- Comment #25 from Aldy Hernandez --- (In reply to Aldy Hernandez from comment #22) > Created attachment 59001 [details] > reduce recursion in forward threader (patch in testing) Avoiding unnecessary recursion in simplify_control_stmt_conditi

[Bug ipa/114531] Feature proposal for an `-finline-functions-aggressive` compiler option

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114531 --- Comment #22 from Rama Malladi --- Checking in again... Hubicka@ and rsandifo@, Can we action this PR https://gcc.gnu.org/pipermail/gcc-patches/2024-June/655506.html? Accept or Reject? Thanks.

[Bug d/115295] [15 regression] Various gdc testsuite regressions

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=115295 Alexandre Oliva changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug tree-optimization/116573] New: [15 Regression] Recent SLP work appears to generate significantly worse code on RISC-V

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116573 Bug ID: 116573 Summary: [15 Regression] Recent SLP work appears to generate significantly worse code on RISC-V Product: gcc Version: 15.0 Status: UNCONFIRMED S

[Bug middle-end/114855] ICE: Segfault when compiling large autogenerated C source file

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114855 --- Comment #26 from Aldy Hernandez --- I think there's something fundamentally wrong in the *backwards* threader that causes us to blow up, even without fully resolving conditions with a global ranger. I tried running at -O1 and -fenable-tree-

[Bug tree-optimization/116573] [15 Regression] Recent SLP work appears to generate significantly worse code on RISC-V

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116573 --- Comment #1 from rguenther at suse dot de --- > Am 02.09.2024 um 18:48 schrieb law at gcc dot gnu.org > : > > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116573 > > Jeffrey A. Law changed: > > What|Removed

[Bug target/55212] [SH] Switch to LRA

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=55212 --- Comment #223 from John Paul Adrian Glaubitz --- (In reply to John Paul Adrian Glaubitz from comment #218) > (In reply to Kazumoto Kojima from comment #216) > > This patch is assumed to be applied to the top of 58832, 58833, 58883, > > 58905

[Bug c++/116572] [14/15 Regression] Using a std::string passed to a virtual member function of a side-casted pointer spuriously ICEs (wrong code with checking disable)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116572 Andrew Pinski changed: What|Removed |Added Keywords||ice-on-valid-code, |

[Bug c++/116574] New: GCC generates redundant moves in simple vector addition

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116574 Bug ID: 116574 Summary: GCC generates redundant moves in simple vector addition Product: gcc Version: 14.2.0 Status: UNCONFIRMED Severity: normal Pri

[Bug target/116574] GCC generates redundant moves in simple vector addition

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116574 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/116574] GCC generates redundant moves in simple vector addition

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116574 Andrew Pinski changed: What|Removed |Added Resolution|INVALID |--- Status|RESOLVED

[Bug target/116574] GCC generates redundant moves in simple vector addition

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116574 Andrew Pinski changed: What|Removed |Added Resolution|--- |INVALID Status|UNCONFIRMED

[Bug target/116574] GCC generates redundant moves in simple vector addition

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116574 --- Comment #4 from Andrew Pinski --- Note clang's code generation with -ftrapping-math is so much worse than GCCs: movaps %xmm1, %xmm2 addss %xmm0, %xmm2 shufps $85, %xmm0, %xmm0 shufps $85, %xmm1, %xmm1

[Bug target/116574] GCC generates redundant moves in simple vector addition

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116574 --- Comment #5 from Bernardo Sulzbach --- (In reply to Andrew Pinski from comment #1) > -fno-trapping-math removes the zeroing of the top half of the registers. I see. I tried passing that and got add(std::array, std::array): movap

[Bug target/116574] GCC generates redundant moves in simple vector addition

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116574 --- Comment #6 from Bernardo Sulzbach --- (In reply to Bernardo Sulzbach from comment #5) > (In reply to Andrew Pinski from comment #1) > > -fno-trapping-math removes the zeroing of the top half of the registers. > > I see. I tried passing that

[Bug target/116574] GCC generates redundant moves in simple vector addition

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116574 --- Comment #7 from Andrew Pinski --- >with -O2/-O3. Is there a reason for `addps xmm1, xmm0` and moving instead of >`addps xmm0, xmm1`? Register allocation is not always the best when it comes to argument and returns. Also the trunk with -O2

[Bug target/116574] GCC generates redundant moves in simple vector addition

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116574 --- Comment #8 from Bernardo Sulzbach --- (In reply to Andrew Pinski from comment #7) > >with -O2/-O3. Is there a reason for `addps xmm1, xmm0` and moving instead of > >`addps xmm0, xmm1`? > > Register allocation is not always the best when it

[Bug target/116574] GCC generates redundant moves in simple vector addition

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116574 --- Comment #9 from Andrew Pinski --- (In reply to Bernardo Sulzbach from comment #8) > But that this happens even in simple cases such as this one is known and > already tracked? Kinda of but since it is only shown up so far in micro-benchmark

[Bug target/116574] GCC generates redundant moves in simple vector addition

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116574 --- Comment #10 from Andrew Pinski --- Also on many processors a move is free.

[Bug target/116574] GCC generates redundant moves in simple vector addition

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=116574 --- Comment #11 from Bernardo Sulzbach --- (In reply to Andrew Pinski from comment #2) > -Os does not vectorize the code. > But that might be on purpose ... Then one last question: is that because -Os makes GCC not even consider it, even if in

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