[Bug c/110299] New: RISC-V: ICE when build RVV intrinsic widen with "-march=rv32gc_zve64d -mabi=ilp32d", both GCC 14 and 13.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110299 Bug ID: 110299 Summary: RISC-V: ICE when build RVV intrinsic widen with "-march=rv32gc_zve64d -mabi=ilp32d", both GCC 14 and 13. Product: gcc Version: 14.0

[Bug c++/110300] New: Template disambiguator accepted for non-template function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110300 Bug ID: 110300 Summary: Template disambiguator accepted for non-template function Product: gcc Version: 13.1.0 Status: UNCONFIRMED Severity: normal P

[Bug modula2/110284] [14 Regression] Bootstrap failures with m2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110284 Gaius Mulley changed: What|Removed |Added CC||gaius at gcc dot gnu.org --- Comment #2

[Bug modula2/110284] [14 Regression] Bootstrap failures with m2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110284 --- Comment #3 from Jakub Jelinek --- Comment on attachment 55359 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55359 Proposed fix Except for the stor-layout changes that is what I was trying, so if it works, great.

[Bug middle-end/109849] suboptimal code for vector walking loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109849 --- Comment #15 from CVS Commits --- The master branch has been updated by Jan Hubicka : https://gcc.gnu.org/g:5a1ef1cfac005370d0a5a0f85798724cb2c9cf5e commit r14-1909-g5a1ef1cfac005370d0a5a0f85798724cb2c9cf5e Author: Honza Date: Sun Jun 18

[Bug c++/110300] Template disambiguator accepted for non-template function with the function from a dependent base class

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110300 Andrew Pinski changed: What|Removed |Added Last reconfirmed||2023-06-18 Status|UNCONFIRM

[Bug c++/105512] compilation with -fmodules-ts and std=c++20 leads to segfault

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105512 David Truby changed: What|Removed |Added CC||gnu.w2nnu at simplelogin dot com --- Com

[Bug tree-optimization/95929] Failure to optimize tautological comparisons of comparisons to a single one

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95929 --- Comment #3 from Andrew Pinski --- On the GCC 13+ we get: _1 = a_5(D) != 0; _8 = a_5(D) == 0; // _1^1 _2 = b_3(D) != 0; _13 = _2 ? _8 : _1; _6 = (int) _13; or rather _13 = _2 ? _1 ^ 1 : _1 But we don't match that. We could dosoemt

[Bug tree-optimization/89582] Suboptimal code generated for floating point struct in -O2 compare to -O1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=89582 Andrew Pinski changed: What|Removed |Added Summary|Suboptimal code generated |Suboptimal code generated

[Bug middle-end/53669] suboptimal small switch - 3-way jump with only 1 comparison

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=53669 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Last reconfirmed|

[Bug modula2/110284] [14 Regression] Bootstrap failures with m2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110284 --- Comment #4 from Gaius Mulley --- Also now bootstrapped successfully on ppc64le - so I'll git commit the changes.

[Bug tree-optimization/95185] Failure to optimize specific kind of sign comparison check

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=95185 --- Comment #5 from Andrew Pinski --- _1 = x_4(D) >= 0; _2 = y_5(D) <= 0; _3 = _1 == _2; Something like: Prefer ^ over == ``` (for cmp (for cmpN (for neeq (simplify (neeq:c (cmp @0 @1) @3 (if (cmpN == inverseof(cmp, TREE_TYPE (type))

[Bug fortran/92887] [F2008] Passing nullified/disassociated pointer or unalloc allocatable to OPTIONAL + VALUE dummy fails

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92887 anlauf at gcc dot gnu.org changed: What|Removed |Added Attachment #55356|0 |1 is obsolete|

[Bug modula2/110284] [14 Regression] Bootstrap failures with m2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110284 --- Comment #5 from CVS Commits --- The master branch has been updated by Gaius Mulley : https://gcc.gnu.org/g:24f75498ea59be94ae3eb1b82aa0b9de6ebfa232 commit r14-1911-g24f75498ea59be94ae3eb1b82aa0b9de6ebfa232 Author: Gaius Mulley Date: Sun

[Bug tree-optimization/110301] New: x264 regression on Neoverse-N1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110301 Bug ID: 110301 Summary: x264 regression on Neoverse-N1 Product: gcc Version: 13.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: tree-optimizat

[Bug modula2/110284] [14 Regression] Bootstrap failures with m2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110284 --- Comment #6 from Gaius Mulley --- ok to close?

[Bug tree-optimization/110302] New: libquantum regression on zen3 with LTO and PGO

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110302 Bug ID: 110302 Summary: libquantum regression on zen3 with LTO and PGO Product: gcc Version: 13.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug tree-optimization/110301] [14 Regression] x264 regression on Neoverse-N1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110301 Andrew Pinski changed: What|Removed |Added Summary|x264 regression on |[14 Regression] x264

[Bug tree-optimization/110301] [14 Regression] x264 regression on Neoverse-N1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110301 --- Comment #1 from Andrew Pinski --- Maybe: https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=ea616f687dccbe42012f786c0ebade5b05850206 https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=710b8dec61a73cbbf5dadbdd2070a85e690e8184

[Bug tree-optimization/110301] [14 Regression] x264 regression on Neoverse-N1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110301 --- Comment #2 from Andrew Pinski --- OR: https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=4e31e63ea7edffd1212fc17ce8d50672035bb64b But I don;t think that would change anything here.

[Bug modula2/110284] [14 Regression] Bootstrap failures with m2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110284 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug preprocessor/58770] GCC very slow compiling with #pragma once

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=58770 --- Comment #8 from Sam James --- (See the thread at https://inbox.sourceware.org/gcc-patches/6027e3bb-99f9-573b-ff5e-ea1a48882...@acm.org/.)

[Bug modula2/110284] [14 Regression] Bootstrap failures with m2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110284 Gaius Mulley changed: What|Removed |Added Status|RESOLVED|CLOSED --- Comment #8 from Gaius Mulley

[Bug libstdc++/110287] _M_check_len is expensive

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110287 --- Comment #5 from Jan Hubicka --- > Do you mean something like this? I sent my own version, but yours looks nicer. > > diff --git a/libstdc++-v3/include/bits/stl_vector.h > b/libstdc++-v3/include/bits/stl_vector.h > index 70ced3d101f..a4dbfeb

[Bug ipa/86590] Codegen is poor when passing std::string by value with _GLIBCXX_EXTERN_TEMPLATE undefined

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86590 Jan Hubicka changed: What|Removed |Added CC||hubicka at gcc dot gnu.org --- Comment #35

[Bug c++/110303] New: In debug mode, gcc does not force compile time evaluation for immediate arguments

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110303 Bug ID: 110303 Summary: In debug mode, gcc does not force compile time evaluation for immediate arguments Product: gcc Version: 13.2.1 Status: UNCONFIRMED Seve

[Bug target/110303] Without -O0, _mm_shuffle_epi32 with a constexpr function argument does not compile

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110303 Andrew Pinski changed: What|Removed |Added Summary|In debug mode, gcc does not |Without -O0, |force c

[Bug target/110303] With -O0, _mm_shuffle_epi32 with a constexpr function argument does not compile

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110303 --- Comment #2 from Andrew Pinski --- so _mm_shuffle_epi32 requires a constant but since it is an argument, the argument, it is not a constant expression requirement.

[Bug target/110303] With -O0, _mm_shuffle_epi32 with a constexpr function argument does not compile

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110303 Andrew Pinski changed: What|Removed |Added Resolution|--- |DUPLICATE Status|UNCONFIRME

[Bug target/80353] AVX512: _mm512_slli_epi32, the last argument must be an 8-bit immediate

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80353 Andrew Pinski changed: What|Removed |Added CC||denis.yaroshevskij at gmail dot co

[Bug target/110235] [14 Regression] Wrong use of us_truncate in SSE and AVX RTL representation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110235 --- Comment #6 from CVS Commits --- The master branch has been updated by hongtao Liu : https://gcc.gnu.org/g:58e61a3ab1c13b6d5b07d86a30cf48a46e0345c8 commit r14-1916-g58e61a3ab1c13b6d5b07d86a30cf48a46e0345c8 Author: liuhongt Date: Wed Jun

[Bug target/110235] [14 Regression] Wrong use of us_truncate in SSE and AVX RTL representation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110235 --- Comment #7 from CVS Commits --- The master branch has been updated by hongtao Liu : https://gcc.gnu.org/g:f8e02702726d4514b8ff9f5481c9c1f5d34e1787 commit r14-1917-gf8e02702726d4514b8ff9f5481c9c1f5d34e1787 Author: liuhongt Date: Thu Jun

[Bug target/110235] [14 Regression] Wrong use of us_truncate in SSE and AVX RTL representation

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110235 --- Comment #8 from Hongtao.liu --- Fixed for GCC 14, the bug is latent on all release branches, but would not be exposed without rtl us/ss_truncate simplification.

[Bug tree-optimization/110062] missed vectorization in graphicsmagick

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110062 --- Comment #7 from Hongtao.liu --- > pixel$red_60(D)(10)>, type of def: internal > t.c:18:27: missed: no optab. > t.c:18:27: missed: not vectorized: relevant stmt not supported: _29 = > (unsigned char) pixel$red_78; > t.c:18:27: note: Bu

[Bug c++/110304] New: __builtin_adcs missing and you miss the point of builtin_adcb

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110304 Bug ID: 110304 Summary: __builtin_adcs missing and you miss the point of builtin_adcb Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal

[Bug c++/110304] __builtin_adcs missing and jakub you miss the point of builtin_adcb

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110304 --- Comment #1 from cqwrteur --- Also mine is exactly what GCC would generate exactly the same as clang without builtin. Clang internally implements this as mine one. Since on wasm, riscv or loongarch where these architectures do not provide ca

[Bug c/110305] New: Incorrect optimization with -O3 -fsignaling-nans -fno-signed-zeros

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110305 Bug ID: 110305 Summary: Incorrect optimization with -O3 -fsignaling-nans -fno-signed-zeros Product: gcc Version: og12 (devel/omp/gcc-12) Status: UNCONFIRMED Se

[Bug c++/110304] __builtin_adcs missing and jakub you miss the point of builtin_adcb

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110304 --- Comment #2 from cqwrteur --- https://godbolt.org/z/bz3PjeMdY

[Bug c/110305] Incorrect optimization with -O3 -fsignaling-nans -fno-signed-zeros

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110305 --- Comment #1 from Andrew Pinski --- First off using signal nans but not caring about signed zeros seems a combo that normally won't happen in real life. Did you find this by accident or where you testing this combo on purpose with real code yo

[Bug c++/110304] __builtin_adcs missing and jakub you miss the point of builtin_adcb

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110304 --- Comment #3 from cqwrteur --- (In reply to cqwrteur from comment #2) > https://godbolt.org/z/bz3PjeMdY https://github.com/animetosho/md5-optimisation Here was an example that shows + is faster than | since + uses a lot for dependency reason

[Bug c++/110304] __builtin_adcs missing and jakub you miss the point of builtin_adcb

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110304 --- Comment #4 from Jakub Jelinek --- __builtin_adcb, __builtin_adcs and __builtin_subcb, __builtin_subcs weren't added intentionally, I doubt they are widely used in practice. And __builtin_u{add,sub}{,l,ll}_overflow isn't defined for them eit

[Bug c++/110304] __builtin_adcs missing and jakub you miss the point of builtin_adcb

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110304 --- Comment #5 from Jakub Jelinek --- The reason for | rather than + is clang compatibility with its misdesigned interface. It never returns 2 as carry-out, even if you add 0xU, 0xfffU and 0xfffU. But, if pattern matching can pro

[Bug c++/110304] __builtin_adcs missing and jakub you miss the point of builtin_adcb

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110304 --- Comment #6 from cqwrteur --- i can guarantee my implementation is optimal on these no flags architectures without the need of optimizations from backend. Then there would be no need to do backend specific optimizations on mips riscv and loon

[Bug c++/110304] __builtin_adcs missing and jakub you miss the point of builtin_adcb

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110304 --- Comment #7 from cqwrteur --- for example lets assume you design the interface with both bool carryin and bool * carryout char unsigned carryin=foo(); bool carryout __builtin_addcl(a,b,carryin,&carryout);//carryin will do implicit cast

[Bug target/110086] ICE when optimization level is changed using optimize attribute

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110086 --- Comment #2 from CVS Commits --- The master branch has been updated by Senthil Kumar Selvaraj : https://gcc.gnu.org/g:53953b6f31f18ac2e2241f0c1f3c8d7ecec78e7f commit r14-1922-g53953b6f31f18ac2e2241f0c1f3c8d7ecec78e7f Author: Senthil Kumar S

[Bug c++/110304] __builtin_adcs missing and jakub you miss the point of builtin_adcb

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110304 --- Comment #8 from Jakub Jelinek --- (In reply to cqwrteur from comment #6) > i can guarantee my implementation is optimal on these no flags architectures > without the need of optimizations from backend. Then there would be no need > to do bac

[Bug target/110086] ICE when optimization level is changed using optimize attribute

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110086 Senthil Kumar Selvaraj changed: What|Removed |Added Resolution|--- |FIXED Status|UNCON

[Bug tree-optimization/110280] [13/14 Regression] internal compiler error: in const_unop, at fold-const.cc:1884

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110280 Richard Biener changed: What|Removed |Added Summary|internal compiler error: in |[13/14 Regression] internal

[Bug c++/110304] __builtin_adcs missing and jakub you miss the point of builtin_adcb

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110304 --- Comment #9 from cqwrteur --- well. user can use __builtin_unreachablecor C++23 assume before calling that then it would be safe to know it is zero or one Get Outlook for Android From:

[Bug middle-end/110282] Segmentation fault with specific optimizations

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110282 Richard Biener changed: What|Removed |Added Known to fail||10.4.0, 11.1.0, 11.3.0 Known to w

[Bug target/110306] New: ICE when building ccache for powepc-apple-darwin: Logging.hpp: internal compiler error: Bus error: Logging::log(std::string_view(message_));

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110306 Bug ID: 110306 Summary: ICE when building ccache for powepc-apple-darwin: Logging.hpp: internal compiler error: Bus error: Logging::log(std::string_view(message_)); Product

[Bug target/110306] ICE when building ccache for powepc-apple-darwin: Logging.hpp: internal compiler error: Bus error: Logging::log(std::string_view(message_));

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110306 --- Comment #1 from Sergey Fedorov --- Created attachment 55361 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55361&action=edit Preprocessed source file

[Bug c/110305] Incorrect optimization with -O3 -fsignaling-nans -fno-signed-zeros

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110305 --- Comment #2 from tkisuki at tachyum dot com --- (In reply to Andrew Pinski from comment #1) > First off using signal nans but not caring about signed zeros seems a combo > that normally won't happen in real life. Did you find this by accident

[Bug tree-optimization/110289] Phiprop may be good idea in early opts

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110289 --- Comment #4 from Richard Biener --- probably makes sense, yes.

[Bug c++/110291] [11/12/13/14 Regression] constraint on friend operator template causes bizarre duplication of RHS template parameter that is passed to the requires expression

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110291 Richard Biener changed: What|Removed |Added Target Milestone|--- |11.5 Summary|[11.1 Regressi

[Bug c++/110304] __builtin_adcs missing and jakub you miss the point of builtin_adcb

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110304 --- Comment #10 from cqwrteur --- i do not know whether | would provide the same performance as + here would due to chain adding. GMP uses all + it seems. Just like i do https://gmplib.org/list-archives/gmp-devel/2021-September/006013.html

[Bug middle-end/110294] [10/11 Regression] Segmentation fault with '-O3 -fno-dce -fno-toplevel-reorder -fno-tree-dce -fno-tree-pta -fno-tree-sink -ftoplevel-reorder'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110294 Richard Biener changed: What|Removed |Added Known to fail||10.1.0, 11.1.0, 11.3.0 Known to w