[Bug middle-end/46555] [10/11/12/13/14 Regression] PHI RTL expansion leads to CSiBE regression

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=46555 --- Comment #18 from Andrew Pinski --- (In reply to Richard Biener from comment #1) > Yep. That's one optimization that was removed (out-of-SSA did that) and > we thought of doing this reverse mergephi optimization as a separate pass > before

[Bug modula2/110246] Using variables of type CHAR or BYTE as array index does not work

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110246 --- Comment #1 from Thorsten Otto --- Edit: the problem seems to be caused by using a FOR loop. Changing it to a similar WHILE loop: ch := 'A'; WHILE ch <= 'Z' DO arr[ch] := 0; INC(ch); END; does work without problems.

[Bug tree-optimization/37916] [10/11/12/13/14 Regression] SSA names causing register pressure; unnecessarily many simultaneously "live" names.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=37916 --- Comment #38 from Andrew Pinski --- So for aarch64, I noticed that on the trunk, we no longer produce any stores to the stack (GCC 13 had a save/restore of x29 and x30; x29 is the fp). The difference is no longer using x30 as a register. I

[Bug modula2/110246] New: Using variables of type CHAR or BYTE as array index does not work

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110246 Bug ID: 110246 Summary: Using variables of type CHAR or BYTE as array index does not work Product: gcc Version: 13.1.0 Status: UNCONFIRMED Severity: normal

[Bug tree-optimization/37916] [10/11/12/13/14 Regression] SSA names causing register pressure; unnecessarily many simultaneously "live" names.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=37916 Andrew Pinski changed: What|Removed |Added Status|ASSIGNED|NEW Assignee|hp at gcc dot

[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 Andrew Pinski changed: What|Removed |Added Keywords||testsuite-fail

[Bug other/110239] [14 regression] std/format/functions/format.cc fails after r14-1648-g628ba410b9265d

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110239 Jonathan Wakely changed: What|Removed |Added Last reconfirmed||2023-06-14

[Bug c++/110245] constant evaluation fails with uninitialized union and default constructor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110245 --- Comment #2 from Andrew Pinski --- So if I read: https://cplusplus.github.io/CWG/issues/2558.html there is still an open question about "Union types shall be initialized such that they have an active member in the result of a constant

[Bug c++/97665] constexpr union array member incorrectly rejected as non-constexpr

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=97665 --- Comment #12 from Andrew Pinski --- (In reply to Jiang An from comment #11) > This looks like CWG issue 2558 (currently unresolved). > > https://cplusplus.github.io/CWG/issues/2558.html It was voted in a few months after this comment was

[Bug c++/71644] gcc 6.1 generates movaps for unaligned memory

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71644 Andrew Pinski changed: What|Removed |Added Last reconfirmed||2023-06-14 Ever confirmed|0

[Bug sanitizer/83780] False positive alignment error with -fsanitize=undefined with virtual base

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83780 --- Comment #5 from Andrew Pinski --- (In reply to Ivan Bodrov from comment #2) > I have reported the same bug for Clang: > https://bugs.llvm.org/show_bug.cgi?id=35902 > > Unlike GCC, Clang is also eager to generate unaligned "movaps"

[Bug c++/110245] constant evaluation fails with uninitialized union and default constructor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110245 --- Comment #1 from danakj at orodu dot net --- Note that GCC has no problem with doing this constexpr construction if the object is not stored as an lvalue. ``` struct Store { constexpr Store() {} union { int i; }; bool

[Bug c++/110245] New: constant evaluation fails with uninitialized union and default constructor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110245 Bug ID: 110245 Summary: constant evaluation fails with uninitialized union and default constructor Product: gcc Version: 14.0 Status: UNCONFIRMED Severity:

[Bug c++/71644] gcc 6.1 generates movaps for unaligned memory

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71644 rr7crecb3z at liamekaens dot com changed: What|Removed |Added CC||rr7crecb3z at

[Bug analyzer/110244] False error of vector leaking memory

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110244 Andrew Pinski changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |dmalcolm at gcc dot gnu.org

[Bug c++/110244] New: False error of vector memory leak

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110244 Bug ID: 110244 Summary: False error of vector memory leak Product: gcc Version: 12.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug middle-end/110233] [12/13/14 Regression] Wrong code at -Os on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110233 Andrew Pinski changed: What|Removed |Added CC||aldyh at gcc dot gnu.org --- Comment

[Bug c/65213] Extend -Wmissing-declarations to variables [i.e. add -Wmissing-variable-declarations]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65213 Eric Gallager changed: What|Removed |Added Keywords||patch URL|

[Bug middle-end/110233] [12/13/14 Regression] Wrong code at -Os on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110233 Andrew Pinski changed: What|Removed |Added Last reconfirmed||2023-06-14 Summary|Wrong

[Bug c++/110164] Improve diagnostic for incomplete standard library types due to missing include

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110164 David Malcolm changed: What|Removed |Added Status|NEW |ASSIGNED CC|

[Bug c++/90342] Misleading #include system fixit when using an older C++ version

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=90342 David Malcolm changed: What|Removed |Added Resolution|--- |FIXED CC|

[Bug c/84890] Overly verbose notes for missing headers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84890 David Malcolm changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug c/84890] Overly verbose notes for missing headers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=84890 --- Comment #11 from CVS Commits --- The master branch has been updated by David Malcolm : https://gcc.gnu.org/g:7474c46cf2d3715fe23871671c756fd5f65bc225 commit r14-1798-g7474c46cf2d3715fe23871671c756fd5f65bc225 Author: David Malcolm Date:

[Bug tree-optimization/110243] [13/14 Regression] Wrong code at -O3 on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110243 Andrew Pinski changed: What|Removed |Added Summary|Wrong code at -O3 on|[13/14 Regression] Wrong

[Bug c/110243] New: Wrong code at -O3 on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110243 Bug ID: 110243 Summary: Wrong code at -O3 on x86_64-linux-gnu Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c

[Bug c++/110242] New: ICE on valid (decltype with lambda)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110242 Bug ID: 110242 Summary: ICE on valid (decltype with lambda) Product: gcc Version: 12.1.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug fortran/86277] Presence of optional arguments not recognized for zero length arrays

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86277 --- Comment #34 from anlauf at gcc dot gnu.org --- The missed-optimization (duplicate temporaries) is now tracked in pr110241.

[Bug fortran/110241] New: Redundant temporaries passing empty array constructors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110241 Bug ID: 110241 Summary: Redundant temporaries passing empty array constructors Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug rtl-optimization/110240] Unnecessary register move in indexed swap routine

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110240 Andrew Pinski changed: What|Removed |Added Last reconfirmed||2023-06-13

[Bug target/110240] New: Unnecessary register move in indexed swap routine

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110240 Bug ID: 110240 Summary: Unnecessary register move in indexed swap routine Product: gcc Version: unknown Status: UNCONFIRMED Severity: enhancement Priority: P3

[Bug fortran/86277] Presence of optional arguments not recognized for zero length arrays

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86277 --- Comment #33 from CVS Commits --- The master branch has been updated by Harald Anlauf : https://gcc.gnu.org/g:c1691509e5a8875f36c068a5ea101bf13f140948 commit r14-1795-gc1691509e5a8875f36c068a5ea101bf13f140948 Author: Harald Anlauf Date:

[Bug fortran/110224] Rejects valid: function reference with data pointer result as lhs in assignment

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110224 anlauf at gcc dot gnu.org changed: What|Removed |Added Keywords||rejects-valid

[Bug other/110239] New: [14 regression] std/format/functions/format.cc fails after r14-1648-g628ba410b9265d

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110239 Bug ID: 110239 Summary: [14 regression] std/format/functions/format.cc fails after r14-1648-g628ba410b9265d Product: gcc Version: 14.0 Status: UNCONFIRMED

[Bug c/110238] [10/11/12/13/14 Regression] Incorrect "comparison between pointer and zero character constant" warning when comparing pointer to unsigned null pointer constant

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110238 Andrew Pinski changed: What|Removed |Added Target Milestone|--- |10.5 Ever confirmed|0

[Bug c/110238] New: Incorrect "comparison between pointer and zero character constant" warning when comparing pointer to unsigned null pointer constant

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110238 Bug ID: 110238 Summary: Incorrect "comparison between pointer and zero character constant" warning when comparing pointer to unsigned null pointer constant Product: gcc

[Bug target/105617] [12/13/14 Regression] Slp is maybe too aggressive in some/many cases

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105617 --- Comment #20 from Mason --- Doh! You're right. I come from a background where overlapping/aliasing inputs are heresy, thus got blindsided :( This would be the optimal code, right? add4i: # rdi = dst, rsi = a, rdx = b movq

[Bug libgcc/60939] AIX: exceptions not caught when calling function via pointer

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60939 --- Comment #13 from Adam Swartz --- Created attachment 55319 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55319=edit InheritanceCase The shell script will compile things. OpenSource team said they had to change the -ggdb3 option. The

[Bug libgcc/60939] AIX: exceptions not caught when calling function via pointer

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=60939 --- Comment #12 from Adam Swartz --- Thanks David. I think I got it working through the makefile with patterns, variables and some conditional logic. It didn't complain about command size, but having that as a backup is good to know. I would

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110235 Richard Biener changed: What|Removed |Added CC||crazylht at gmail dot com Last

[Bug target/110227] [13/14 Regression] gcc generates invalid AVX-512 code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110227 Richard Biener changed: What|Removed |Added Priority|P3 |P2

[Bug rtl-optimization/110237] New: gcc.dg/torture/pr58955-2.c is miscompiled by RTL scheduling after reload

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110237 Bug ID: 110237 Summary: gcc.dg/torture/pr58955-2.c is miscompiled by RTL scheduling after reload Product: gcc Version: 14.0 Status: UNCONFIRMED Severity:

[Bug target/110234] [RISCV] Improper endian encoding when using floats and doubles with -mbig-endian

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110234 Xi Ruoyao changed: What|Removed |Added Resolution|--- |MOVED Status|UNCONFIRMED

[Bug middle-end/110142] [14 Regression] x264 from SPECCPU 2017 miscompares from g:2f482a07365d9f4a94a56edd13b7f01b8f78b5a0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110142 avieira at gcc dot gnu.org changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED

[Bug target/110236] New: RFE: LoongArch: Supporting assembly output with register aliases in ELF ABI

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110236 Bug ID: 110236 Summary: RFE: LoongArch: Supporting assembly output with register aliases in ELF ABI Product: gcc Version: 14.0 Status: UNCONFIRMED Severity:

[Bug target/110234] [RISCV] Improper endian encoding when using floats and doubles with -mbig-endian

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110234 --- Comment #2 from Andrew Pinski --- Note this looks like an assembler bug rather than a gcc bug. Assembler in your case comes from the binutils project who's bugzilla is located at https://sourceware.org/bugzilla.

[Bug rtl-optimization/101188] [postreload] Uses content of a clobbered register

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101188 --- Comment #17 from Georg-Johann Lay --- Created attachment 55318 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55318=edit Reduced patch for v8 (handles only CLOBBERs, hence should be good enough for AVR).

[Bug rtl-optimization/101188] [postreload] Uses content of a clobbered register

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101188 --- Comment #16 from Georg-Johann Lay --- Created attachment 55317 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=55317=edit Backport to v13 of Jeff's patch.

[Bug target/110227] [13/14 Regression] gcc generates invalid AVX-512 code

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110227 Jakub Jelinek changed: What|Removed |Added CC||jakub at gcc dot gnu.org --- Comment

[Bug modula2/110126] Variables are reported as unused when only referenced by ASM statements

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110126 --- Comment #13 from Thorsten Otto --- Just found a small problem: asm statements without any lists, like in ASM(""); now are warned about with "syntax warning, ':' missing"

[Bug rtl-optimization/110093] [12/13/14 Regression][avr] Move frenzy leading to code bloat

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110093 Georg-Johann Lay changed: What|Removed |Added CC||vmakarov at gcc dot gnu.org ---

[Bug libgomp/109837] [OpenMP] despite 'requires unified_address' there is segfault when 'is_device_ptr' is not used

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109837 Tobias Burnus changed: What|Removed |Added Resolution|--- |FIXED Status|UNCONFIRMED

[Bug preprocessor/80753] __has_include and __has_include_next taints subsequent I/O errors

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=80753 Jakub Jelinek changed: What|Removed |Added Status|NEW |ASSIGNED Assignee|unassigned

[Bug libgomp/109837] [OpenMP] despite 'requires unified_address' there is segfault when 'is_device_ptr' is not used

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109837 --- Comment #4 from CVS Commits --- The master branch has been updated by Tobias Burnus : https://gcc.gnu.org/g:d5c58ad1ebaff924c2546df074174cffb128feb8 commit r14-1783-gd5c58ad1ebaff924c2546df074174cffb128feb8 Author: Tobias Burnus Date:

[Bug target/108779] AARCH64 should add an option to change TLS register location to support EL1/EL2/EL3 system registers

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108779 --- Comment #11 from CVS Commits --- The master branch has been updated by Kyrylo Tkachov : https://gcc.gnu.org/g:4389a2d2d0cc639cbeeb8453dc20bf315316d4e3 commit r14-1781-g4389a2d2d0cc639cbeeb8453dc20bf315316d4e3 Author: Kyrylo Tkachov Date:

[Bug other/63426] [meta-bug] Issues found with -fsanitize=undefined

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63426 Bug 63426 depends on bug 109886, which changed state. Bug 109886 Summary: UBSAN error: shift exponent 64 is too large for 64-bit type when compiling gcc.c-torture/compile/pr96796.c https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109886

[Bug ipa/109886] UBSAN error: shift exponent 64 is too large for 64-bit type when compiling gcc.c-torture/compile/pr96796.c

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109886 Martin Jambor changed: What|Removed |Added Status|NEW |RESOLVED Resolution|---

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110235 Bug ID: 110235 Summary: Wrong use of us_truncate in SSE and AVX RTL representation Product: gcc Version: 14.0 Status: UNCONFIRMED Keywords: wrong-code

[Bug middle-end/110232] failure to constant fold VIEW_CONVERT_EXPR>(65534)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110232 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug middle-end/110232] failure to constant fold VIEW_CONVERT_EXPR>(65534)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110232 --- Comment #1 from CVS Commits --- The master branch has been updated by Richard Biener : https://gcc.gnu.org/g:0f3d07e16fec7bea2fd033d9ec8ff08ea7effa39 commit r14-1779-g0f3d07e16fec7bea2fd033d9ec8ff08ea7effa39 Author: Richard Biener Date:

[Bug testsuite/109880] [14 regression] gcc.target/powerpc/fold-vec-extract-int.p8.c fails after r14-916-g9417b30499ce09

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109880 --- Comment #3 from CVS Commits --- The master branch has been updated by Ajit Kumar Agarwal : https://gcc.gnu.org/g:17714c08e9013b51cf8d04ac39f844d355c923f2 commit r14-1777-g17714c08e9013b51cf8d04ac39f844d355c923f2 Author: âAjit Kumar

[Bug testsuite/110230] new test case gcc.target/powerpc/pr109932-1.c in r14-1705-g2764335bd336f2 fails for 32 bits

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110230 Kewen Lin changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug target/109932] ICE in in extract_insn, at recog.cc:2791 on ppc64le with -mno-vsx

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109932 --- Comment #3 from CVS Commits --- The master branch has been updated by Kewen Lin : https://gcc.gnu.org/g:16eb9d69079d769b2aa2c07ce54aca20f5547c14 commit r14-1776-g16eb9d69079d769b2aa2c07ce54aca20f5547c14 Author: Kewen Lin Date: Tue Jun

[Bug testsuite/110230] new test case gcc.target/powerpc/pr109932-1.c in r14-1705-g2764335bd336f2 fails for 32 bits

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110230 --- Comment #2 from CVS Commits --- The master branch has been updated by Kewen Lin : https://gcc.gnu.org/g:16eb9d69079d769b2aa2c07ce54aca20f5547c14 commit r14-1776-g16eb9d69079d769b2aa2c07ce54aca20f5547c14 Author: Kewen Lin Date: Tue Jun

[Bug middle-end/108410] x264 averaging loop not optimized well for avx512

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108410 --- Comment #9 from rguenther at suse dot de --- On Tue, 13 Jun 2023, crazylht at gmail dot com wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108410 > > --- Comment #8 from Hongtao.liu --- > > > Can x86 do this? We'd want to apply

[Bug rtl-optimization/92080] Missed CSE of _mm512_set1_epi8(c) with _mm256_set1_epi8(c)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92080 Richard Biener changed: What|Removed |Added CC||crazylht at gmail dot com

[Bug c/110234] [RISCV] Improper endian encoding when using floats and doubles with -mbig-endian

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110234 --- Comment #1 from Branislav Brzak --- For "2 byte stores are also reflected in the elf file as well:" I wanted to include this: 8008 <_sdata>: 8008: cccd.2byte 0xcccd 800a: 3f8c

[Bug c/110234] New: [RISCV] Improper endian encoding when using floats and doubles with -mbig-endian

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110234 Bug ID: 110234 Summary: [RISCV] Improper endian encoding when using floats and doubles with -mbig-endian Product: gcc Version: 12.2.0 Status: UNCONFIRMED

[Bug c/110233] New: Wrong code at -Os on x86_64-linux-gnu

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110233 Bug ID: 110233 Summary: Wrong code at -Os on x86_64-linux-gnu Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c

[Bug middle-end/110232] failure to constant fold VIEW_CONVERT_EXPR>(65534)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110232 Richard Biener changed: What|Removed |Added Ever confirmed|0 |1 Assignee|unassigned at

[Bug middle-end/110232] New: failure to constant fold VIEW_CONVERT_EXPR>(65534)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110232 Bug ID: 110232 Summary: failure to constant fold VIEW_CONVERT_EXPR>(65534) Product: gcc Version: 14.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug target/96339] [SVE] Optimise svlast[ab]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96339 Tejas Belagod changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug target/96339] [SVE] Optimise svlast[ab]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96339 --- Comment #8 from CVS Commits --- The master branch has been updated by Tejas Belagod : https://gcc.gnu.org/g:22d85c10a004f4f5eaf6b68b62a0792faf048bf8 commit r14-1744-g22d85c10a004f4f5eaf6b68b62a0792faf048bf8 Author: Tejas Belagod Date: