[Bug middle-end/112683] Optimizing memcpy range by extending to word bounds

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112683 --- Comment #2 from Richard Biener --- Note copying more will likely trigger valgrind complaints accessing uninitialized memory? Technically it also makes the IL to invoke undefined behavior, if we'd expand this to byte-by-byte copies with regi

[Bug middle-end/112668] ICE in bitintlower0 while compiling bitint-42.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112668 --- Comment #4 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:9a96a9e45b421436ca93efadba0f1901f12fb6c0 commit r14-5815-g9a96a9e45b421436ca93efadba0f1901f12fb6c0 Author: Jakub Jelinek Date: F

[Bug c++/112696] New: ICE When specializing auto... parameter pack with typed pack

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112696 Bug ID: 112696 Summary: ICE When specializing auto... parameter pack with typed pack Product: gcc Version: 13.2.1 Status: UNCONFIRMED Severity: normal

[Bug tree-optimization/112687] missed-optimization: switch statement does not simplify to it's expression

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112687 Richard Biener changed: What|Removed |Added Ever confirmed|0 |1 Last reconfirmed|

[Bug tree-optimization/112694] RISC-V: zve64d testing expose many ICE on C/C++ testing

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112694 --- Comment #3 from JuzheZhong --- Confirm it is RISC-V target issue. Testing a patch which will fix all of them,

[Bug target/112693] declare-simd-4.f90 fails on aarch64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112693 Richard Biener changed: What|Removed |Added Component|middle-end |target --- Comment #1 from Richard Bie

[Bug c++/112696] ICE When specializing auto... parameter pack with typed pack

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112696 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Last reconfirmed|

[Bug middle-end/32667] block copy with exact overlap is expanded as memcpy

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32667 --- Comment #45 from Tim Ruffing --- Ha, I didn't want to move to discussion about restrict, but as a final remark: The formal semantics of restrict are not easy to parse and understand (see https://www.iso-9899.info/n3047.html#6.7.3.1 ). But jus

[Bug tree-optimization/112694] RISC-V: zve64d testing expose many ICE on C/C++ testing

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112694 --- Comment #4 from JuzheZhong --- https://gcc.gnu.org/pipermail/gcc-patches/2023-November/638062.html This patch fixes 200+ ICEs. But we have these following ICEs left: FAIL: gcc.dg/vect/pr71259.c -flto -ffat-lto-objects (internal compiler e

[Bug middle-end/112668] ICE in bitintlower0 while compiling bitint-42.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112668 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c++/112619] [14 regression] ICE when building libcrafter (tree check: expected statement_list, have modify_expr in tsi_start, at tree-iterator.h:57) since r14-5086-gae07265381d934

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112619 Jakub Jelinek changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug target/96017] Powerpc suboptimal register spill in likely path

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96017 --- Comment #13 from Surya Kumari Jangala --- With the patch at https://gcc.gnu.org/pipermail/gcc-patches/2023-October/631849.html, the testcase gets shrink wrapped. This is the assembly produced: addis 2,12,.TOC.-.LCF0@ha addi 2

[Bug tree-optimization/112677] [14 Regression] ASAN reports stack-buffer-overflow in tree-vect-loop.cc vect_is_simple_use when compiling with -mavx512

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112677 Richard Biener changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug middle-end/112697] New: [14 Regression] 30-40% exec time regression of 433.milc on zen2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112697 Bug ID: 112697 Summary: [14 Regression] 30-40% exec time regression of 433.milc on zen2 Product: gcc Version: 14.0 Status: UNCONFIRMED Keywords: missed-optimiz

[Bug c++/112652] g++.dg/cpp26/literals2.C FAILs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112652 Jakub Jelinek changed: What|Removed |Added CC||jason at gcc dot gnu.org --- Comment #4

[Bug middle-end/112697] [14 Regression] 30-40% exec time regression of 433.milc on zen2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112697 --- Comment #1 from Filip Kastl --- Around the same time there was also a 6% slowdown with -Ofast -march=native -g and PGO https://lnt.opensuse.org/db_default/v4/SPEC/graph?plot.0=299.70.0 and an 11% slowdown with -O2 -g -flto=128 and PGO https

[Bug target/96017] Powerpc suboptimal register spill in likely path

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96017 --- Comment #14 from Surya Kumari Jangala --- Instead of using a non-volatile register to hold the value of foo, a volatile register (r9) is assigned to hold foo. This avoids setting up the stack frame in the fast path.

[Bug middle-end/32667] block copy with exact overlap is expanded as memcpy

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32667 --- Comment #46 from Richard Biener --- I'll note that restrict on the parameters can help optimizing the copying loop because you can then unroll and hoist loads before stores. I'll also note that almost all (important) targets implement memcpy

[Bug sanitizer/112353] asan-enabled, aarch64-gcc cross-compiled elf executables fail ro run in qemu-user on x86

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112353 --- Comment #3 from Robert --- Thanks for the information!

[Bug middle-end/111655] [11/12/13/14 Regression] wrong code generated for __builtin_signbit and 0./0. on x86-64 -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111655 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #1

[Bug middle-end/111655] [11/12/13/14 Regression] wrong code generated for __builtin_signbit and 0./0. on x86-64 -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111655 --- Comment #13 from Alexander Monakov --- > Then there is the MULT_EXPR x * x case This is PR 111701. It would be nice to clarify what "nonnegative" means in the contracts of this family of functions, because it's ambiguous for NaNs and negat

[Bug middle-end/112697] [14 Regression] 30-40% exec time regression of 433.milc on zen2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112697 Richard Biener changed: What|Removed |Added Target Milestone|--- |14.0 --- Comment #2 from Richard Biene

[Bug middle-end/111655] [11/12/13/14 Regression] wrong code generated for __builtin_signbit and 0./0. on x86-64 -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111655 --- Comment #14 from rguenther at suse dot de --- On Fri, 24 Nov 2023, amonakov at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111655 > > --- Comment #13 from Alexander Monakov --- > > Then there is the MULT_EXPR x *

[Bug target/112698] New: gcc-14-5617-gb8592186611 introduces regressions in bfloat16_vector_typecheck_1.c for cortex-m0 and cortex-m3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112698 Bug ID: 112698 Summary: gcc-14-5617-gb8592186611 introduces regressions in bfloat16_vector_typecheck_1.c for cortex-m0 and cortex-m3 Product: gcc Version: 14.0

[Bug middle-end/32667] block copy with exact overlap is expanded as memcpy

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32667 --- Comment #47 from Jakub Jelinek --- (In reply to Richard Biener from comment #46) > So yes, the most clean solution would be to have __forgiving_memcpy > possibly also allowing NULL pointers when n == 0 besides allowing > the exact overlap. I

[Bug tree-optimization/112661] [14] RISC-V ICE: in duplicate_and_interleave, at tree-vect-slp.cc:8025 with maxval_char_3.f90 vlen256b since r14-5101-g60034ecf25597b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112661 --- Comment #13 from Richard Sandiford --- In vect_create_constant_vectors, I think the uniform_elt needs to come first, and needs to be used irrespective of whether the number of elements is constant. The general tree_vector_builder has a more

[Bug target/112698] gcc-14-5617-gb8592186611 introduces regressions in bfloat16_vector_typecheck_1.c for cortex-m0 and cortex-m3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112698 --- Comment #1 from Christophe Lyon --- For gcc.target/arm/bfloat16_vector_typecheck* tests, the log says: FAIL: gcc.target/arm/bfloat16_vector_typecheck_1.c (test for excess errors) Excess errors: bfloat16_vector_typecheck_1.c:122:17: error: in

[Bug tree-optimization/112661] [14] RISC-V ICE: in duplicate_and_interleave, at tree-vect-slp.cc:8025 with maxval_char_3.f90 vlen256b since r14-5101-g60034ecf25597b

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112661 --- Comment #14 from Richard Biener --- (In reply to Richard Sandiford from comment #13) > In vect_create_constant_vectors, I think the uniform_elt needs > to come first, and needs to be used irrespective of whether the > number of elements is c

[Bug tree-optimization/112677] [14 Regression] ASAN reports stack-buffer-overflow in tree-vect-loop.cc vect_is_simple_use when compiling with -mavx512

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112677 --- Comment #3 from CVS Commits --- The master branch has been updated by Richard Biener : https://gcc.gnu.org/g:9f63a8898154473f7b773c3e2ed71e4959719b71 commit r14-5817-g9f63a8898154473f7b773c3e2ed71e4959719b71 Author: Richard Biener Date:

[Bug other/86656] [meta-bug] Issues found with -fsanitize=address

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86656 Bug 86656 depends on bug 112677, which changed state. Bug 112677 Summary: [14 Regression] ASAN reports stack-buffer-overflow in tree-vect-loop.cc vect_is_simple_use when compiling with -mavx512 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112677

[Bug tree-optimization/112677] [14 Regression] ASAN reports stack-buffer-overflow in tree-vect-loop.cc vect_is_simple_use when compiling with -mavx512

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112677 Richard Biener changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug middle-end/112679] ICE in expand_float, at optabs.cc:5724 with bitint

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112679 --- Comment #2 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:31669ec1d01c93fb0a63a7053ad314c17fa5a416 commit r14-5818-g31669ec1d01c93fb0a63a7053ad314c17fa5a416 Author: Jakub Jelinek Date: F

[Bug c/112699] New: Should limits.h in freestanding environment be self-contained?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112699 Bug ID: 112699 Summary: Should limits.h in freestanding environment be self-contained? Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal

[Bug tree-optimization/112673] [14 Regression] ICE verify_gimple failed since r14-5557-g6dd4c703be17fa

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112673 --- Comment #3 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:eebcad0ac22010fc59de9d856bb02017fccab282 commit r14-5819-geebcad0ac22010fc59de9d856bb02017fccab282 Author: Jakub Jelinek Date: F

[Bug tree-optimization/112673] [14 Regression] ICE verify_gimple failed since r14-5557-g6dd4c703be17fa

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112673 Jakub Jelinek changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug middle-end/112679] ICE in expand_float, at optabs.cc:5724 with bitint

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112679 Jakub Jelinek changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug target/112681] [14 Regression] ICE: in extract_insn, at recog.cc:2804 (unrecognizable insn) with -O2 -mfma -mno-sse4.2 and memcmp() since r14-5747

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112681 --- Comment #8 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:3eb9cae6d375d222787498b15ac87f383b3834fe commit r14-5822-g3eb9cae6d375d222787498b15ac87f383b3834fe Author: Jakub Jelinek Date: F

[Bug target/112681] [14 Regression] ICE: in extract_insn, at recog.cc:2804 (unrecognizable insn) with -O2 -mfma -mno-sse4.2 and memcmp() since r14-5747

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112681 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c/112699] Should limits.h in freestanding environment be self-contained?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112699 Alexander Monakov changed: What|Removed |Added CC||amonakov at gcc dot gnu.org --- Com

[Bug target/112686] [14 Regression] ICE: in gen_reg_rtx, at emit-rtl.cc:1176 with -fsplit-stack -mcmodel=large

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112686 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org,

[Bug c/112699] Should limits.h in freestanding environment be self-contained?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112699 --- Comment #2 from Alexander Monakov --- Sorry, even though GCC's limits.h is installed under include-fixed, it is generated separately, not by the generic fixincludes mechanism. I was confused.

[Bug target/109977] [14 Regression] ICE: output_operand: incompatible floating point / vector register operand for '%d' at -Og

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109977 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #4

[Bug target/109977] [14 Regression] ICE: output_operand: incompatible floating point / vector register operand for '%d' at -Og since r14-215-g85279b0bddc1c5

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109977 --- Comment #5 from Sam James --- If needed, you can email me an SSH key for a Neoverse-N1 (fp asimd evtstrm aes pmull sha1 sha2 crc32 atomics fphp asimdhp cpuid asimdrdm lrcpc dcpop asimddp ssbs) which should be fast.

[Bug tree-optimization/108351] [13/14 Regression] Dead Code Elimination Regression at -O3 since r13-4240-gfeeb0d68f1c708

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108351 Sam James changed: What|Removed |Added CC||sjames at gcc dot gnu.org --- Comment #8 fr

[Bug target/112686] [14 Regression] ICE: in gen_reg_rtx, at emit-rtl.cc:1176 with -fsplit-stack -mcmodel=large

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112686 Uroš Bizjak changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |ubizjak at gmail dot com

[Bug tree-optimization/112694] RISC-V: zve64d testing expose many ICE on C/C++ testing

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112694 --- Comment #5 from CVS Commits --- The master branch has been updated by Pan Li : https://gcc.gnu.org/g:aea337cf740ec33022f3cabfa7dd4333d5ba78ee commit r14-5825-gaea337cf740ec33022f3cabfa7dd4333d5ba78ee Author: Juzhe-Zhong Date: Fri Nov 24

[Bug c/112699] Should limits.h in freestanding environment be self-contained?

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112699 --- Comment #3 from Xi Ruoyao --- (In reply to Alexander Monakov from comment #1) > Can you clarify which file you mean? gcc/ginclude does not have a limits.h. > > I assume you are not talking about the fixinclude'd limits.h? No, I mean the li

[Bug c++/99232] Exported variable in module gives error: 'lambda' was not declared in this scope

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99232 --- Comment #2 from CVS Commits --- The master branch has been updated by Nathaniel Shead : https://gcc.gnu.org/g:726723c476800285cfbdfce612cedde4a9a7ad58 commit r14-5826-g726723c476800285cfbdfce612cedde4a9a7ad58 Author: Nathaniel Shead Date:

[Bug fortran/112700] New: Segmentation fault with list of characters and types

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112700 Bug ID: 112700 Summary: Segmentation fault with list of characters and types Product: gcc Version: 13.2.1 Status: UNCONFIRMED Severity: normal Priority: P3 Comp

[Bug target/111408] [14 Regression] Wrong code at -O2/3 on x86_64-linux-gnu since r14-2866-ge68a31549d9

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111408 Jakub Jelinek changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org

[Bug tree-optimization/108351] [13/14 Regression] Dead Code Elimination Regression at -O3 since r13-4240-gfeeb0d68f1c708

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108351 --- Comment #9 from Yann Girsberger --- > Is this reduced from a real-world problem? No, it is reduced from a modified csmith/random program.

[Bug preprocessor/112701] New: wrong type inference for ternary operator in preprocessing context

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112701 Bug ID: 112701 Summary: wrong type inference for ternary operator in preprocessing context Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal

[Bug target/112672] [14 Regression] wrong code with __builtin_parityl() at -O and above on x86_64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112672 --- Comment #7 from CVS Commits --- The releases/gcc-12 branch has been updated by Uros Bizjak : https://gcc.gnu.org/g:f0445f4401c941d0aa3cc413ca4548f313cc1257 commit r12-10001-gf0445f4401c941d0aa3cc413ca4548f313cc1257 Author: Uros Bizjak Dat

[Bug target/112672] [14 Regression] wrong code with __builtin_parityl() at -O and above on x86_64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112672 --- Comment #8 from CVS Commits --- The releases/gcc-11 branch has been updated by Uros Bizjak : https://gcc.gnu.org/g:422e30e4d5ca2f26f77e7c90e09658408c07a23c commit r11-1-g422e30e4d5ca2f26f77e7c90e09658408c07a23c Author: Uros Bizjak Dat

[Bug target/112672] [14 Regression] wrong code with __builtin_parityl() at -O and above on x86_64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112672 Uroš Bizjak changed: What|Removed |Added Target Milestone|14.0|11.5 --- Comment #9 from Uroš Bizjak ---

[Bug c/112702] New: C23, C++23: Extended characters not valid in an identifier with -pedantic

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112702 Bug ID: 112702 Summary: C23, C++23: Extended characters not valid in an identifier with -pedantic Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: norm

[Bug tree-optimization/111137] [11/12/13 Regression] Wrong code at -O2/3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=37 --- Comment #5 from CVS Commits --- The releases/gcc-13 branch has been updated by Richard Biener : https://gcc.gnu.org/g:4649121c8e3bae1315e265ad2e205990e39573c5 commit r13-8095-g4649121c8e3bae1315e265ad2e205990e39573c5 Author: Richard Biener

[Bug tree-optimization/111465] [14 regression] stage 3 ICE kills bootstrap from r14-4089-gd45ddc2c04e471d0dcee01

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111465 --- Comment #13 from CVS Commits --- The releases/gcc-13 branch has been updated by Richard Biener : https://gcc.gnu.org/g:152400decc8383aeff9a9ad8262b9e7e2fff61e0 commit r13-8096-g152400decc8383aeff9a9ad8262b9e7e2fff61e0 Author: Richard Biene

[Bug tree-optimization/111137] [11/12 Regression] Wrong code at -O2/3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=37 Richard Biener changed: What|Removed |Added Known to fail||13.2.0 Known to work|

[Bug c/112702] C23, C++23: Extended characters not valid in an identifier with -pedantic

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112702 Andrew Pinski changed: What|Removed |Added Resolution|--- |DUPLICATE Status|UNCONFIRME

[Bug c++/109936] error: extended character ≠ is not valid in an identifier

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109936 Andrew Pinski changed: What|Removed |Added CC||stammark at gcc dot gnu.org --- Comment

[Bug c/112702] C23, C++23: Extended characters not valid in an identifier with -pedantic

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112702 --- Comment #2 from Andrew Pinski --- The answer is to is expected, the answer is YES.

[Bug preprocessor/112701] wrong type inference for ternary operator with `0/0u` in preprocessing context

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112701 --- Comment #1 from Andrew Pinski --- Interesting is MSVC emits both. clang emits none.

[Bug tree-optimization/108351] [13/14 Regression] Dead Code Elimination Regression at -O3 since r13-4240-gfeeb0d68f1c708

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108351 Martin Jambor changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

[Bug target/112300] [14 Regression] Cross compiling to mipsisa64r2-sde-elf fails because "HEAP_TRAMPOLINES_INIT was not declared in this scope" since r14-4821-g28d8c680aaea46

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112300 Jakub Jelinek changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug tree-optimization/111293] [14 Regression] Missed Dead Code Elimination since r14-3414-g0cfc9c953d0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111293 --- Comment #2 from Andrew Macleod --- It seems like we set 'e' to 3 immediately at the start: [local count: 1073741824]: e = 3; goto ; [100.00%] and it is never changed again. However, when we load from 'e' later in the IL [local cou

[Bug sanitizer/112562] [14 regression] asan_interceptors_memintrinsics.cpp doesn't assemble with Solaris/x86 as

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112562 Jakub Jelinek changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug target/112675] [14 Regression] r14-5385-g0a140730c97087 caused regression on testcases for i386

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112675 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #1

[Bug target/112672] [14 Regression] wrong code with __builtin_parityl() at -O and above on x86_64

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112672 Jakub Jelinek changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug middle-end/112634] [14 Regression][OpenMP][-fprofile-generate] ICE in verify_gimple for gcc.dg/gomp/pr27573.c:

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112634 Jakub Jelinek changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug target/112686] [14 Regression] ICE: in gen_reg_rtx, at emit-rtl.cc:1176 with -fsplit-stack -mcmodel=large

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112686 --- Comment #4 from CVS Commits --- The master branch has been updated by Uros Bizjak : https://gcc.gnu.org/g:404ea4c1381398aee162415a88e5cb81c44f8c69 commit r14-5830-g404ea4c1381398aee162415a88e5cb81c44f8c69 Author: Uros Bizjak Date: Fri N

[Bug target/112686] [14 Regression] ICE: in gen_reg_rtx, at emit-rtl.cc:1176 with -fsplit-stack -mcmodel=large

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112686 Uroš Bizjak changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109849 --- Comment #23 from CVS Commits --- The master branch has been updated by Martin Jambor : https://gcc.gnu.org/g:aae723d360ca26cd9fd0b039fb0a616bd0eae363 commit r14-5831-gaae723d360ca26cd9fd0b039fb0a616bd0eae363 Author: Martin Jambor Date:

[Bug target/112643] [14 regression] including x86intrin.h is broken for -march=native (which adds -mno-avx10.1-256 )

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112643 Sam James changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug c++/111703] [11/12/13 Regression] [C++20]Compiler fails when using generic lambda in specific situation since r11-550-gf65a3299a521a4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111703 --- Comment #8 from CVS Commits --- The releases/gcc-13 branch has been updated by Patrick Palka : https://gcc.gnu.org/g:dd57446bd90c3225ce45e8818c5b00f2e86a9607 commit r13-8097-gdd57446bd90c3225ce45e8818c5b00f2e86a9607 Author: Patrick Palka

[Bug c++/112269] [14 Regression] x86_64 GNU/Linux '-m32' multilib 'libstdc++-v3/include/complex:1493: internal compiler error: in tsubst_expr, at cp/pt.cc:21534' since r14-4796-g3e3d73ed5e85e7

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112269 --- Comment #14 from CVS Commits --- The releases/gcc-13 branch has been updated by Patrick Palka : https://gcc.gnu.org/g:dd57446bd90c3225ce45e8818c5b00f2e86a9607 commit r13-8097-gdd57446bd90c3225ce45e8818c5b00f2e86a9607 Author: Patrick Palka

[Bug c++/107939] [11 Regression] Rejects use of `extern const` variable in a template since r11-557

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107939 --- Comment #11 from CVS Commits --- The releases/gcc-13 branch has been updated by Patrick Palka : https://gcc.gnu.org/g:cc4cbf38e842cf023e2bdc63a51ef836d7726d8e commit r13-8098-gcc4cbf38e842cf023e2bdc63a51ef836d7726d8e Author: Patrick Palka

[Bug c++/111703] [11/12/13 Regression] [C++20]Compiler fails when using generic lambda in specific situation since r11-550-gf65a3299a521a4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111703 --- Comment #9 from CVS Commits --- The releases/gcc-13 branch has been updated by Patrick Palka : https://gcc.gnu.org/g:cc4cbf38e842cf023e2bdc63a51ef836d7726d8e commit r13-8098-gcc4cbf38e842cf023e2bdc63a51ef836d7726d8e Author: Patrick Palka

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109849 --- Comment #24 from CVS Commits --- The master branch has been updated by Jan Hubicka : https://gcc.gnu.org/g:c2dcfb6ba6e9a84a16e63ae73a822ae2a843170c commit r14-5832-gc2dcfb6ba6e9a84a16e63ae73a822ae2a843170c Author: Jan Hubicka Date: Fri

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109849 --- Comment #25 from Martin Jambor --- (In reply to Richard Biener from comment #7) > There is nothing to sink really, loop header copying introduces a PHI and > there's not partial redundancies but only partial-partial and those are not > obvio

[Bug middle-end/112697] [14 Regression] 30-40% exec time regression of 433.milc on zen2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112697 Martin Jambor changed: What|Removed |Added CC||jamborm at gcc dot gnu.org,

[Bug middle-end/112697] [14 Regression] 30-40% exec time regression of 433.milc on zen2 since r14-4972-g8aa47713701b1f

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112697 Sam James changed: What|Removed |Added Summary|[14 Regression] 30-40% exec |[14 Regression] 30-40% exec

[Bug debug/112703] New: [13/14 Regression] -fcompare-debug failure at -O1 and above

th-as=/usr/bin/x86_64-pc-linux-gnu-as --disable-libstdcxx-pch --prefix=/repo/gcc-trunk//binary-trunk-r14-5822-20231124121307-g3eb9cae6d37-checking-yes-rtl-df-extra-nobootstrap-amd64 Thread model: posix Supported LTO compression algorithms: zlib zstd gcc version 14.0.0 20231124 (experimental) (GCC)

[Bug target/112606] [14 Regression] powerpc64le-linux-gnu: 'FAIL: gcc.target/powerpc/p8vector-fp.c scan-assembler xsnabsdp'

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112606 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment #2

[Bug tree-optimization/110794] FAIL: g++.dg/pr99966.C -std=gnu++17 scan-tree-dump-not vrp1 "throw"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110794 John David Anglin changed: What|Removed |Added Last reconfirmed|2023-11-17 00:00:00 |2023-11-24 --- Comment #1 from John

[Bug analyzer/112704] New: FAIL: gcc.dg/analyzer/data-model-20.c (test for warnings, line 17)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112704 Bug ID: 112704 Summary: FAIL: gcc.dg/analyzer/data-model-20.c (test for warnings, line 17) Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal

[Bug analyzer/112705] New: FAIL: gcc.dg/analyzer/pr94688.c (test for excess errors)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112705 Bug ID: 112705 Summary: FAIL: gcc.dg/analyzer/pr94688.c (test for excess errors) Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Prio

[Bug middle-end/32667] block copy with exact overlap is expanded as memcpy

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=32667 --- Comment #48 from post+gcc at ralfj dot de --- > Note, clang makes the same assumption apparently (while MSVC emits rep movs > inline and ICC either that, or calls _intel_fast_memcpy). MSVC does the same thing as clang and GCC, if godbolt is

[Bug c/112702] C23, C++23: Extended characters not valid in an identifier with -pedantic

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112702 --- Comment #3 from Jonathan Wakely --- It's also documented in the release notes: https://gcc.gnu.org/gcc-13/changes.html#c (see N2836, Identifier Syntax using Unicode Standard Annex 31).

[Bug fortran/112700] Segmentation fault with list of characters and types

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112700 anlauf at gcc dot gnu.org changed: What|Removed |Added Ever confirmed|0 |1 Last reconfirmed|

[Bug middle-end/112706] New: missed simplification in FRE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112706 Bug ID: 112706 Summary: missed simplification in FRE Product: gcc Version: unknown Status: UNCONFIRMED Severity: normal Priority: P3 Component: middle-end

[Bug tree-optimization/112706] missed simplification in FRE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112706 Andrew Pinski changed: What|Removed |Added Last reconfirmed||2023-11-24 Component|middle-en

[Bug bootstrap/111601] [14 Regression] bootstrap fails in stagestrain in libcody on x86_64-linux-gnu and powerpc64le-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111601 --- Comment #9 from Jakub Jelinek --- Reproduced on powerpc64le-linux with just ../configure --enable-languages=c,c++ --enable-checking=yes,rtl,extra --disable-libsanitizer --with-long-double-128; make -j160 profiledbootstrap so fortunately does

[Bug pch/112319] [14 Regression] segfault with pch and #pragma GCC diagnostic

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112319 --- Comment #3 from CVS Commits --- The master branch has been updated by Lewis Hyatt : https://gcc.gnu.org/g:5d4abd9219dfa53b52b341255e99139bb6cad302 commit r14-5836-g5d4abd9219dfa53b52b341255e99139bb6cad302 Author: Lewis Hyatt Date: Wed N

[Bug pch/112319] [14 Regression] segfault with pch and #pragma GCC diagnostic

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112319 Lewis Hyatt changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug tree-optimization/112706] missed simplification in FRE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112706 --- Comment #2 from Andrew Pinski --- (In reply to Andrew Pinski from comment #1) > That is: > ``` > (for op (eq ne) > (simplify > (op (pointer_plus @0 @1) (pointer_plus @0 @2)) > (op @1 @2)) > > ``` Note I am missing a extra `)` but the

[Bug tree-optimization/112706] missed simplification in FRE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112706 --- Comment #3 from Jan Hubicka --- Thanks, new pattern looks like noticeable improvement :) Base+offset is effective for alias analysis and I suppose it happens reasonably enough for compares as well. > _76 = _71 + 4; > # .MEM_154 = VDEF <.

[Bug middle-end/112660] missed-optimization: combine shifts when shifted out bits are known 0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112660 --- Comment #1 from gooncreeper --- This could be further extended for signed integers as we can assume for left shifts that shifted out bits are always 0 else UB, and always combine x << a >> b.

[Bug middle-end/112660] missed-optimization: combine shifts when shifted out bits are known 0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112660 --- Comment #2 from Andrew Pinski --- (In reply to gooncreeper from comment #1) > This could be further extended for signed integers as we can assume for left > shifts that shifted out bits are always 0 else UB, and always combine x << a > >> b.

[Bug target/109811] libjxl 0.7 is a lot slower in GCC 13.1 vs Clang 16

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109811 --- Comment #15 from Jan Hubicka --- With SRA improvements r:aae723d360ca26cd9fd0b039fb0a616bd0eae363 we finally get good performance at -O2. Improvements to push_back implementation also helps a bit. Mainline with default flags (-O2): Inpu

  1   2   >