[Bug rtl-optimization/106187] armhf: Miscompilation at O2 level (O0 / O1 are working)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106187 --- Comment #49 from CVS Commits --- The master branch has been updated by Richard Earnshaw : https://gcc.gnu.org/g:64ce76d940501cb04d14a0d36752b4f93473531c commit r13-1948-g64ce76d940501cb04d14a0d36752b4f93473531c Author: Richard Earnshaw

[Bug testsuite/106515] New: [13 regression] gcc.dg/debug/btf/btf-int-1.c fails after r13-1937-g5df04a7aa837a1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106515 Bug ID: 106515 Summary: [13 regression] gcc.dg/debug/btf/btf-int-1.c fails after r13-1937-g5df04a7aa837a1 Product: gcc Version: 13.0 Status: UNCONFIRMED

[Bug libstdc++/103133] Binary built with -static using std::thread crashes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103133 --- Comment #11 from CVS Commits --- The releases/gcc-10 branch has been updated by Jonathan Wakely : https://gcc.gnu.org/g:18eecb8c4a97716d4bc4890b05c91f172fadc7b3 commit r10-10928-g18eecb8c4a97716d4bc4890b05c91f172fadc7b3 Author: Jonathan

[Bug testsuite/100748] [12 regression] 30_threads/jthread/95989.cc fails after r12-843

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100748 --- Comment #12 from CVS Commits --- The releases/gcc-10 branch has been updated by Jonathan Wakely : https://gcc.gnu.org/g:18eecb8c4a97716d4bc4890b05c91f172fadc7b3 commit r10-10928-g18eecb8c4a97716d4bc4890b05c91f172fadc7b3 Author: Jonathan

[Bug libstdc++/98421] std::span does not detect invalid range in Debug Mode

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98421 --- Comment #4 from CVS Commits --- The releases/gcc-10 branch has been updated by Jonathan Wakely : https://gcc.gnu.org/g:de802e4736613a585dcfd508acf73033f18aa4da commit r10-10932-gde802e4736613a585dcfd508acf73033f18aa4da Author: Jonathan

[Bug libstdc++/103133] Binary built with -static using std::thread crashes

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103133 Jonathan Wakely changed: What|Removed |Added Target Milestone|11.3|10.5 --- Comment #12 from Jonathan

[Bug libstdc++/98421] std::span does not detect invalid range in Debug Mode

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98421 Jonathan Wakely changed: What|Removed |Added Target Milestone|11.3|10.5 --- Comment #5 from Jonathan

[Bug testsuite/100748] [12 regression] 30_threads/jthread/95989.cc fails after r12-843

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100748 --- Comment #13 from Jonathan Wakely --- Fixed for 11.3 and 10.5 too.

[Bug tree-optimization/106511] [13 Regression] New -Werror=maybe-uninitialized since r13-1268-g8c99e307b20c502e

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106511 Martin Liška changed: What|Removed |Added Last reconfirmed||2022-08-03

[Bug c++/106512] New: String optimization underflows in std::string::operator+ inlining

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106512 Bug ID: 106512 Summary: String optimization underflows in std::string::operator+ inlining Product: gcc Version: 12.1.1 Status: UNCONFIRMED Severity: normal

[Bug lto/106499] LTO runs forever in libfabric 1.15.1 linking

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106499 --- Comment #24 from Tomasz Kłoczko --- Thank you :)

[Bug tree-optimization/106513] bswap is incorrectly generated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106513 --- Comment #2 from Krister Walfridsson --- (In reply to Andreas Schwab from comment #1) > This subexpression has undefined behaviour: (((int64_t) 0xff) << 56). I thought that was allowed in GCC as the manual says

[Bug libfortran/106079] [12/13 regression] gfortran.dg/boz_15.f90 fails after r12-6498-g07c60b8e33

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106079 Jakub Jelinek changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug libstdc++/105844] [10/11 Regression] std::lcm(50000, 49999) is UB but accepted in a constexpr due to cast to unsigned

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105844 --- Comment #10 from Jonathan Wakely --- Backported for 12.2

[Bug libstdc++/105995] QoI: constexpr basic_string variable must use all of its SSO buffer

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105995 Jonathan Wakely changed: What|Removed |Added Target Milestone|13.0|12.2 --- Comment #8 from Jonathan

[Bug libfortran/106079] [12/13 regression] gfortran.dg/boz_15.f90 fails after r12-6498-g07c60b8e33

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106079 --- Comment #9 from CVS Commits --- The releases/gcc-12 branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:4e5ca7ff8c9afd3c38245aa6b939cd3ae49bf1fe commit r12-8653-g4e5ca7ff8c9afd3c38245aa6b939cd3ae49bf1fe Author: Jakub Jelinek

[Bug target/99888] Add powerpc ELFv2 support for -fpatchable-function-entry*

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99888 --- Comment #2 from Kewen Lin --- Created attachment 53405 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53405=edit untested patch With the attached patch, for -fpatchable-function-entry=5,2 it gets: foo: .LFB0: .cfi_startproc

[Bug rtl-optimization/106187] armhf: Miscompilation at O2 level (O0 / O1 are working)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106187 Richard Earnshaw changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |rearnsha at gcc dot gnu.org

[Bug tree-optimization/106513] New: bswap is incorrectly generated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106513 Bug ID: 106513 Summary: bswap is incorrectly generated Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component:

[Bug c++/106512] String optimization underflows in std::string::operator+ inlining

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106512 Jonathan Wakely changed: What|Removed |Added Status|UNCONFIRMED |RESOLVED Resolution|---

[Bug tree-optimization/105651] [12/13 Regression] bogus "may overlap" memcpy warning with std::string and operator+ at -O3

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105651 Jonathan Wakely changed: What|Removed |Added CC||hi at jdoubleu dot de --- Comment

[Bug tree-optimization/106322] 32bits / tree-vectorize: Wrong code at O2 level (-fno-tree-vectorize is working)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106322 --- Comment #12 from Mathieu Malaterre --- Created attachment 53406 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53406=edit main function with no-tree-optimize attribute

[Bug tree-optimization/106322] 32bits / tree-vectorize: Wrong code at O2 level (-fno-tree-vectorize is working)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106322 --- Comment #13 from Mathieu Malaterre --- Created attachment 53407 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53407=edit main function with no-tree-optimize attribute

[Bug libstdc++/105957] __n * sizeof(_Tp) might overflow under consteval context for std::allocator

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105957 Jonathan Wakely changed: What|Removed |Added Resolution|--- |FIXED Status|NEW

[Bug libstdc++/104443] common_iterator::operator-> is not correctly implemented

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104443 Jonathan Wakely changed: What|Removed |Added Target Milestone|13.0|12.2 --- Comment #7 from Jonathan

[Bug target/106069] [12/13 Regression] wrong code with -O -fno-tree-forwprop -maltivec on ppc64le

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106069 --- Comment #26 from rsandifo at gcc dot gnu.org --- > describes a different option on big-endian and little-endian should have said: describes a different instruction. In other words, the mapping of gimple to RTL operations is fixed, but

[Bug tree-optimization/106322] 32bits / tree-vectorize: Wrong code at O2 level (-fno-tree-vectorize is working)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106322 --- Comment #14 from Mathieu Malaterre --- I can make the symptom go away with a single function attribute: ``` % diff -u * --- /tmp/ii/mul_test.cc.ii.bad 2022-08-03 12:29:41.192263306 + +++ /tmp/ii/mul_test.cc.ii.good 2022-08-03

[Bug libstdc++/105957] __n * sizeof(_Tp) might overflow under consteval context for std::allocator

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105957 --- Comment #4 from CVS Commits --- The releases/gcc-12 branch has been updated by Jonathan Wakely : https://gcc.gnu.org/g:2ef2de76dae5cac14e0de77ca7205e43be03ab22 commit r12-8655-g2ef2de76dae5cac14e0de77ca7205e43be03ab22 Author: Jonathan

[Bug libstdc++/105844] [10/11/12 Regression] std::lcm(50000, 49999) is UB but accepted in a constexpr due to cast to unsigned

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105844 --- Comment #9 from CVS Commits --- The releases/gcc-12 branch has been updated by Jonathan Wakely : https://gcc.gnu.org/g:8a57deb926cd660c2eae7ed621d61a301ae0d523 commit r12-8654-g8a57deb926cd660c2eae7ed621d61a301ae0d523 Author: Jonathan

[Bug libstdc++/92978] std::gcd mishandles mixed-signedness

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=92978 --- Comment #9 from CVS Commits --- The releases/gcc-12 branch has been updated by Jonathan Wakely : https://gcc.gnu.org/g:8a57deb926cd660c2eae7ed621d61a301ae0d523 commit r12-8654-g8a57deb926cd660c2eae7ed621d61a301ae0d523 Author: Jonathan

[Bug tree-optimization/106514] New: [12/13 Regression] ranger slowness in path query

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106514 Bug ID: 106514 Summary: [12/13 Regression] ranger slowness in path query Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3

[Bug tree-optimization/106514] [12/13 Regression] ranger slowness in path query

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106514 Richard Biener changed: What|Removed |Added Target Milestone|--- |12.2 CC|

[Bug testsuite/106515] [13 regression] gcc.dg/debug/btf/btf-int-1.c fails after r13-1937-g5df04a7aa837a1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106515 Jose E. Marchesi changed: What|Removed |Added CC||jose.marchesi at oracle dot com ---

[Bug tree-optimization/106511] New: [13 Regression] New -Werror=maybe-uninitialized since r13-1268-g8c99e307b20c502e

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106511 Bug ID: 106511 Summary: [13 Regression] New -Werror=maybe-uninitialized since r13-1268-g8c99e307b20c502e Product: gcc Version: 13.0 Status: UNCONFIRMED

[Bug target/106069] [12/13 Regression] wrong code with -O -fno-tree-forwprop -maltivec on ppc64le

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106069 --- Comment #25 from rsandifo at gcc dot gnu.org --- AIUI the rules are: - GCC vector lane numbers always correspond to memory array indices. For example, lane 0 always comes first in memory. - On big-endian targets, vector loads and

[Bug tree-optimization/106513] bswap is incorrectly generated

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106513 --- Comment #1 from Andreas Schwab --- This subexpression has undefined behaviour: (((int64_t) 0xff) << 56).

[Bug libstdc++/104443] common_iterator::operator-> is not correctly implemented

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104443 --- Comment #6 from CVS Commits --- The releases/gcc-12 branch has been updated by Jonathan Wakely : https://gcc.gnu.org/g:1a9681e60964c7f7ce0892e14745e6dcf6100157 commit r12-8660-g1a9681e60964c7f7ce0892e14745e6dcf6100157 Author: Jonathan

[Bug libstdc++/106248] [11/12 Regression] operator>>std::basic_istream at boundary condition behave differently in different opt levels

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106248 --- Comment #10 from CVS Commits --- The releases/gcc-12 branch has been updated by Jonathan Wakely : https://gcc.gnu.org/g:7a0ed28d4feb450f1ede5b52b57793a5df5b19fe commit r12-8659-g7a0ed28d4feb450f1ede5b52b57793a5df5b19fe Author: Jonathan

[Bug libstdc++/106248] [11 Regression] operator>>std::basic_istream at boundary condition behave differently in different opt levels

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106248 --- Comment #11 from Jonathan Wakely --- Backported for 12.2

[Bug libstdc++/105995] QoI: constexpr basic_string variable must use all of its SSO buffer

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105995 --- Comment #7 from CVS Commits --- The releases/gcc-12 branch has been updated by Jonathan Wakely : https://gcc.gnu.org/g:e562236851e06091256593aa0d3fbda60a28e45b commit r12-8657-ge562236851e06091256593aa0d3fbda60a28e45b Author: Jonathan

[Bug tree-optimization/104992] [missed optimization] x / y * y == x not optimized to x % y == 0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104992 seurer at gcc dot gnu.org changed: What|Removed |Added CC||seurer at gcc dot gnu.org

[Bug target/106069] [12/13 Regression] wrong code with -O -fno-tree-forwprop -maltivec on ppc64le

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106069 --- Comment #28 from Segher Boessenkool --- (In reply to rsand...@gcc.gnu.org from comment #25) > - On big-endian targets, vector loads and stores are assumed to put the > first memory element at the most significant end of the vector

[Bug testsuite/106515] [13 regression] gcc.dg/debug/btf/btf-int-1.c fails after r13-1937-g5df04a7aa837a1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106515 --- Comment #4 from CVS Commits --- The master branch has been updated by Jose E. Marchesi : https://gcc.gnu.org/g:f0688c82ba8206a3d8960eb1d4821dc6a5f2a9f4 commit r13-1951-gf0688c82ba8206a3d8960eb1d4821dc6a5f2a9f4 Author: Jose E. Marchesi

[Bug testsuite/106515] [13 regression] gcc.dg/debug/btf/btf-int-1.c fails after r13-1937-g5df04a7aa837a1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106515 --- Comment #2 from Jose E. Marchesi --- Don't bother I just reproduced the issue in powerpc64le-linux-gnu.

[Bug target/105090] BFI instructions are not generated on arm-none-eabi-g++

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105090 Richard Earnshaw changed: What|Removed |Added CC||andij.cr at gmail dot com ---

[Bug target/91674] [ARM/thumb] redundant memcpy does not get optimized away on thumb

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91674 Richard Earnshaw changed: What|Removed |Added Resolution|--- |DUPLICATE

[Bug target/106517] New: RISC-V: Inefficient Generated Code for Floating Point to Integer Rounds

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106517 Bug ID: 106517 Summary: RISC-V: Inefficient Generated Code for Floating Point to Integer Rounds Product: gcc Version: 13.0 Status: UNCONFIRMED Severity:

[Bug testsuite/106515] [13 regression] gcc.dg/debug/btf/btf-int-1.c fails after r13-1937-g5df04a7aa837a1

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106515 --- Comment #3 from Jose E. Marchesi --- This is due to having not so good regular expressions in the test btf-int-1.c and to a slightly different way than the powerpc backend has to comment lines in assembly. Working on a fix.

[Bug rtl-optimization/106518] New: Exchange/swap aware register allocation (generate xchg in reload)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106518 Bug ID: 106518 Summary: Exchange/swap aware register allocation (generate xchg in reload) Product: gcc Version: unknown Status: UNCONFIRMED Severity:

[Bug testsuite/106516] New: New test case gcc.dg/pr104992.c fails

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106516 Bug ID: 106516 Summary: New test case gcc.dg/pr104992.c fails Product: gcc Version: 13.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: testsuite

[Bug testsuite/106516] New test case gcc.dg/pr104992.c fails on power 10

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106516 seurer at gcc dot gnu.org changed: What|Removed |Added CC||bergner at gcc dot gnu.org

[Bug tree-optimization/106514] [12/13 Regression] ranger slowness in path query

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106514 --- Comment #1 from Andrew Macleod --- (In reply to Richard Biener from comment #0) > > Part of the sub-optimality is probably the equiv chain becoming very long > (can we simply limit that?) and clearing bits in all the very many > bitmaps

[Bug target/106069] [12/13 Regression] wrong code with -O -fno-tree-forwprop -maltivec on ppc64le

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106069 --- Comment #27 from Segher Boessenkool --- IMO what vec_select calls element 0 is always in the first argument of the vec_concat it works on, in BE as well as LE. But yes this is quite underdefined in our documentation, and who know what is

[Bug target/99888] Add powerpc ELFv2 support for -fpatchable-function-entry*

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99888 --- Comment #3 from Segher Boessenkool --- Your second option isn't correct: all these nops should be consecutive. Your option 1 is fine :-)

[Bug target/105090] BFI instructions are not generated on arm-none-eabi-g++

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105090 Richard Earnshaw changed: What|Removed |Added Target Milestone|--- |13.0

[Bug middle-end/25521] change semantics of const volatile variables

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=25521 --- Comment #9 from Jose E. Marchesi --- So I got feedback from the clang/llvm folks on this. As you can see in [1] they asked the WG14 reflectors about the footnote 135 in the C18 spec and their conclusion is that there is no normative

[Bug middle-end/106519] [13 Regression] internal compiler error: in gimple_phi_arg, at gimple.h:4594 by r13-1950

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106519 Tamar Christina changed: What|Removed |Added CC||tnfchris at gcc dot gnu.org

[Bug middle-end/106519] [13 Regression] internal compiler error: in gimple_phi_arg, at gimple.h:4594 by r13-1950

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106519 seurer at gcc dot gnu.org changed: What|Removed |Added CC||seurer at gcc dot gnu.org

[Bug tree-optimization/106521] New: ICE at -O1 with "-floop-unroll-and-jam --param unroll-jam-min-percent=0": verify_ssa failed

-bootstrap --enable-checking=yes --prefix=/local/suz-local/software/local/gcc-trunk --enable-sanitizers --enable-languages=c,c++ --disable-werror --enable-multilib --with-system-zlib Thread model: posix Supported LTO compression algorithms: zlib gcc version 13.0.0 20220803 (experimental) [maste

[Bug c++/106502] Three calls to __attribute__((const)) function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106502 Eric Gallager changed: What|Removed |Added See Also||https://gcc.gnu.org/bugzill

[Bug bootstrap/43301] top-level configure script ignores ---with-build-time-tools

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=43301 Eric Gallager changed: What|Removed |Added CC||aoliva at gcc dot gnu.org --- Comment

[Bug c++/106520] New: 2+ index expressions in build_op_subscript are incorrectly interpreted as comma expression

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106520 Bug ID: 106520 Summary: 2+ index expressions in build_op_subscript are incorrectly interpreted as comma expression Product: gcc Version: 12.1.0 Status: UNCONFIRMED

[Bug middle-end/106519] New: [13 Regression] internal compiler error: in gimple_phi_arg, at gimple.h:4594 by r13-1950

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106519 Bug ID: 106519 Summary: [13 Regression] internal compiler error: in gimple_phi_arg, at gimple.h:4594 by r13-1950 Product: gcc Version: 13.0 Status: UNCONFIRMED

[Bug target/47949] Missed optimization for -Os using xchg instead of mov.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=47949 --- Comment #5 from CVS Commits --- The master branch has been updated by Roger Sayle : https://gcc.gnu.org/g:fc6ef90173478521982e9df3831a06ea85b4f41e commit r13-1945-gfc6ef90173478521982e9df3831a06ea85b4f41e Author: Roger Sayle Date: Wed

[Bug target/106069] [12/13 Regression] wrong code with -O -fno-tree-forwprop -maltivec on ppc64le

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106069 --- Comment #22 from rguenther at suse dot de --- On Wed, 3 Aug 2022, linkw at gcc dot gnu.org wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106069 > > --- Comment #21 from Kewen Lin --- > I didn't look into this in details, but

[Bug fortran/105924] false floating point exception when evaluating exponential function

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105924 Lin-Hui Ye changed: What|Removed |Added Status|RESOLVED|CLOSED --- Comment #2 from Lin-Hui Ye

[Bug target/106322] i386: Wrong code at O2 level (O0 / O1 are working)

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106322 --- Comment #11 from Mathieu Malaterre --- (In reply to Uroš Bizjak from comment #10) > The reason the test fails with gcc-12 is that gcc-12 enabled > auto-vectorisation for -O2. I can make the symptoms go away by doing: `-O2

[Bug target/106069] [12/13 Regression] wrong code with -O -fno-tree-forwprop -maltivec on ppc64le

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106069 --- Comment #23 from Kewen Lin --- > Ideally we would avoid semantic difference of RTL depending on the target. > If that's not avoidable there should be target macros/hooks that specify > the desired semantics. Not sure, IMHO it seems it

[Bug target/106069] [12/13 Regression] wrong code with -O -fno-tree-forwprop -maltivec on ppc64le

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106069 Richard Biener changed: What|Removed |Added CC||rearnsha at gcc dot gnu.org,

[Bug lto/106499] LTO runs forever in libfabric 1.15.1 linking

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106499 --- Comment #23 from Martin Liška --- > If may I ask yet another question  Sure, don't hesitate ;) > Martin can you tell how did you manage to diagnose that it was exactly that > cause in this case? I noticed we spent time in inliner (perf

[Bug target/106069] [12/13 Regression] wrong code with -O -fno-tree-forwprop -maltivec on ppc64le

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106069 --- Comment #20 from Xionghu Luo (luoxhu at gcc dot gnu.org) --- Another reference is manually change the generated assembly with modifying the source and index vspltw to verify: luoxhu@gcc135 build $ diff q.bad.s q.good.s -U12 --- q.bad.s

[Bug target/106481] [13 Regression] ICE: in native_encode_rtx, at simplify-rtx.cc:6884 with -O2 -fno-dce -fno-forward-propagate -fno-rerun-cse-after-loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106481 Roger Sayle changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug rtl-optimization/71775] Redundant move instruction for sign extension

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71775 --- Comment #3 from CVS Commits --- The master branch has been updated by Roger Sayle : https://gcc.gnu.org/g:c23a9c87cc62bd177fd0d4db6ad34b34e1b9a31f commit r13-1942-gc23a9c87cc62bd177fd0d4db6ad34b34e1b9a31f Author: Roger Sayle Date: Wed

[Bug target/106069] [12/13 Regression] wrong code with -O -fno-tree-forwprop -maltivec on ppc64le

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106069 --- Comment #21 from Kewen Lin --- I didn't look into this in details, but something in the culprit commit caught my eyes, take altivec_vmrghh as example: Before the patch, the pattern [(set (match_operand:V8HI 0 "register_operand" "=v")

[Bug target/106069] [12/13 Regression] wrong code with -O -fno-tree-forwprop -maltivec on ppc64le

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106069 --- Comment #19 from Xionghu Luo (luoxhu at gcc dot gnu.org) --- (In reply to Xionghu Luo (luo...@gcc.gnu.org) from comment #15) > In combine: vec_select(vec_concat and the followed vec_select are combined > to a single extract instruction,