[Bug rtl-optimization/106590] [12/13 Regression] x86-64 miscompilation starting with r12-8233-g1ceddd7497e15d w/ mtune=skylake

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106590 Jakub Jelinek changed: What|Removed |Added Resolution|--- |FIXED Status|ASSIGNED

[Bug rtl-optimization/106590] [12/13 Regression] x86-64 miscompilation starting with r12-8233-g1ceddd7497e15d w/ mtune=skylake

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106590 --- Comment #11 from CVS Commits --- The releases/gcc-12 branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:030063c43f30a2335d3c03182df0beb82d003816 commit r12-8720-g030063c43f30a2335d3c03182df0beb82d003816 Author: Jakub Jelinek

[Bug rtl-optimization/106590] [12/13 Regression] x86-64 miscompilation starting with r12-8233-g1ceddd7497e15d w/ mtune=skylake

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106590 Richard Biener changed: What|Removed |Added Target Milestone|12.2|12.3 --- Comment #10 from Richard Bien

[Bug rtl-optimization/106590] [12/13 Regression] x86-64 miscompilation starting with r12-8233-g1ceddd7497e15d w/ mtune=skylake

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106590 --- Comment #9 from Jakub Jelinek --- Fixed on the trunk so far, 12.2 is frozen now and I think the fix needs some time on the trunk before backporting, so probably only will be fixed for 12.3.

[Bug rtl-optimization/106590] [12/13 Regression] x86-64 miscompilation starting with r12-8233-g1ceddd7497e15d w/ mtune=skylake

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106590 --- Comment #8 from CVS Commits --- The master branch has been updated by Jakub Jelinek : https://gcc.gnu.org/g:3a74a7bf62f47ed0d19866576378724be932ee17 commit r13-2042-g3a74a7bf62f47ed0d19866576378724be932ee17 Author: Jakub Jelinek Date: M

[Bug rtl-optimization/106590] [12/13 Regression] x86-64 miscompilation starting with r12-8233-g1ceddd7497e15d w/ mtune=skylake

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106590 Jakub Jelinek changed: What|Removed |Added Assignee|unassigned at gcc dot gnu.org |jakub at gcc dot gnu.org

[Bug rtl-optimization/106590] [12/13 Regression] x86-64 miscompilation starting with r12-8233-g1ceddd7497e15d w/ mtune=skylake

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106590 --- Comment #6 from Jakub Jelinek --- Cleaned up testcase: /* { dg-additional-options "-mtune=skylake" { target { i?86-*-* x86_64-*-* } } } */ typedef struct A { short a; } A; typedef A *B; typedef struct C { int c, d; } C; typedef C *D; B fo

[Bug rtl-optimization/106590] [12/13 Regression] x86-64 miscompilation starting with r12-8233-g1ceddd7497e15d w/ mtune=skylake

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106590 Richard Biener changed: What|Removed |Added Priority|P3 |P2 Known to fail|

[Bug rtl-optimization/106590] [12/13 Regression] x86-64 miscompilation starting with r12-8233-g1ceddd7497e15d w/ mtune=skylake

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106590 --- Comment #5 from Andrew Pinski --- Created attachment 53442 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=53442&action=edit testcase that should be ready for gcc.c-torture/execute

[Bug rtl-optimization/106590] [12/13 Regression] x86-64 miscompilation starting with r12-8233-g1ceddd7497e15d w/ mtune=skylake

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106590 --- Comment #4 from Andrew Pinski --- So the IR is slightly different entering CE1. The two BB for the sides of the if are swapped. But that is the only difference. This is definitely a latent bug that got exposed, it is not the first latent bu

[Bug rtl-optimization/106590] [12/13 Regression] x86-64 miscompilation starting with r12-8233-g1ceddd7497e15d w/ mtune=skylake

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106590 Andrew Pinski changed: What|Removed |Added Last reconfirmed||2022-08-12 Ever confirmed|0