[Bug tree-optimization/96349] New: [10/11 Regression] ICE: SSA corruption (Unable to coalesce ssa_names 2 and 3 which are marked as MUST COALESCE.) [in fail_abnormal_edge_coalesce]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96349 Bug ID: 96349 Summary: [10/11 Regression] ICE: SSA corruption (Unable to coalesce ssa_names 2 and 3 which are marked as MUST COALESCE.) [in fail_abnormal_edge_coalesce] Prod

[Bug tree-optimization/30604] Unable to coalesce ssa_names and which are marked as MUST COALESCE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=30604 Arseny Solokha changed: What|Removed |Added CC||asolokha at gmx dot com --- Comment #18

[Bug java/82263] java multilib -m32 version is using 64 bit include and lib, _GStaticAssertCompileTimeAssertion_0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82263 Arseny Solokha changed: What|Removed |Added CC||asolokha at gmx dot com --- Comment #3

[Bug java/82263] java multilib -m32 version is using 64 bit include and lib, _GStaticAssertCompileTimeAssertion_0

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82263 Andrew Pinski changed: What|Removed |Added Resolution|--- |WONTFIX Status|UNCONFIRMED

[Bug target/96350] New: [cet] For ENDBR immediate, the binary would include a gadget that starts with a fake ENDBR64 opcode.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96350 Bug ID: 96350 Summary: [cet] For ENDBR immediate, the binary would include a gadget that starts with a fake ENDBR64 opcode. Product: gcc Version: 11.0 Status: UNCONFIRMED

[Bug target/96350] [cet] For ENDBR immediate, the binary would include a gadget that starts with a fake ENDBR64 opcode.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96350 H.J. Lu changed: What|Removed |Added Last reconfirmed||2020-07-28 Ever confirmed|0

[Bug lto/96343] LTO ICE on PPC64le

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96343 --- Comment #4 from luoxhu at gcc dot gnu.org --- I tried to build both ADIOS2 and WarpX(with INTERPROCEDURAL_OPTIMIZATION) on a Power8 machine with gcc 9.3.0&9.2.1, no LTO error seen. /usr/bin/cmake ../ -DCMAKE_C_COMPILER=/opt/at12.0/bin/gcc -DC

[Bug target/96350] [cet] For ENDBR immediate, the binary would include a gadget that starts with a fake ENDBR64 opcode.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96350 --- Comment #2 from H.J. Lu --- We can force 0xfa1e0ff3 into memory with [hjl@gnu-snb-1 tmp]$ cat bar.s .text .p2align 4 .globl foo .type foo, @function foo: movl.LC0(%rip), %eax ret

[Bug libstdc++/96345] __cxa demangle fails to demangle a very long string

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96345 --- Comment #4 from V --- No, c++filt also does not demangle it.

[Bug tree-optimization/35164] [4.3 regression] Unable to coalesce ab SSA_NAMEs

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=35164 Richard Biener changed: What|Removed |Added CC||mark at gcc dot gnu.org --- Comment #13

[Bug tree-optimization/30604] Unable to coalesce ssa_names and which are marked as MUST COALESCE

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=30604 Richard Biener changed: What|Removed |Added Status|ASSIGNED|RESOLVED Resolution|---

[Bug c/96284] Outdated C features should be made errors with newer standards

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96284 Eric Gallager changed: What|Removed |Added CC||egallager at gcc dot gnu.org,

[Bug tree-optimization/96336] Multiple multiplications fail to optimize

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96336 Richard Biener changed: What|Removed |Added Ever confirmed|0 |1 Known to fail|

[Bug ipa/96337] [10/11 Regression] GCC 10.2: twice as slow for -O2 -march=x86-64 vs. GCC 9.3/8.4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96337 Richard Biener changed: What|Removed |Added Target Milestone|--- |10.3

[Bug tree-optimization/96349] [10/11 Regression] ICE: SSA corruption (Unable to coalesce ssa_names 2 and 3 which are marked as MUST COALESCE.) [in fail_abnormal_edge_coalesce]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96349 Richard Biener changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |rguenth at gcc dot gnu.org Ta

[Bug lto/96343] LTO ICE on PPC64le

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96343 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |WAITING Last reconfirmed|

[Bug ipa/96337] [10/11 Regression] GCC 10.2: twice as slow for -O2 -march=x86-64 vs. GCC 9.3/8.4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96337 Richard Biener changed: What|Removed |Added Component|rtl-optimization|ipa Summary|GCC 10.2: twice

[Bug tree-optimization/96349] [10/11 Regression] ICE: SSA corruption (Unable to coalesce ssa_names 2 and 3 which are marked as MUST COALESCE.) [in fail_abnormal_edge_coalesce]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96349 Richard Biener changed: What|Removed |Added CC||fxue at os dot amperecomputing.com

[Bug ada/96344] [11 regerssion] gnat.dg/opt86a.adb fails starting with r11-

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96344 Richard Biener changed: What|Removed |Added Target Milestone|--- |11.0

[Bug target/96350] [cet] For ENDBR immediate, the binary would include a gadget that starts with a fake ENDBR64 opcode.

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96350 --- Comment #3 from Richard Biener --- The endbr are way too short to make this practical - ISTR I raised this exact issue at a presentation about CET ... CET simply makes the gadget finding less likely to succeed. There's always the possibility

[Bug ipa/96337] [10/11 Regression] GCC 10.2: twice as slow for -O2 -march=x86-64 vs. GCC 9.3/8.4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96337 --- Comment #4 from Jan Hubicka --- There was changes to -O2 inliner. I have - enabled auto-inlininig - reduced early inlining a bit - reduced limits for inlining functions declared inline The second two was needed to keep code size under con

[Bug ipa/96337] [10/11 Regression] GCC 10.2: twice as slow for -O2 -march=x86-64 vs. GCC 9.3/8.4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96337 --- Comment #5 from Jan Hubicka --- OK, I started with checking Himeno where phoronix reports 4377->2681 on my notebook (Intel(R) Core(TM) i7-6600U CPU) there may be around 1-5% regression that is not inliner related GCC 10 Loop executed for 74

[Bug ipa/96337] [10/11 Regression] GCC 10.2: twice as slow for -O2 -march=x86-64 vs. GCC 9.3/8.4

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96337 --- Comment #6 from Jan Hubicka --- Coremark. GCC 9 run1: CoreMark Size: 666 Total ticks : 12310 Total time (secs): 12.31 Iterations/Sec : 24370.430544 Iterations : 30 Compiler version : GCC9.3.1 20200406 [revision 6db83

<    1   2