[Bug tree-optimization/100453] [12 Regression] wrong code at -O1 and above since r12-434

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100453 --- Comment #14 from Andrew Pinski --- *** Bug 101080 has been marked as a duplicate of this bug. ***

[Bug tree-optimization/101080] wrong code with "-O3"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101080 Andrew Pinski changed: What|Removed |Added Resolution|--- |DUPLICATE Status|NEW

[Bug tree-optimization/101088] [12 Regression] ICE in sm_seq_valid_bb, at tree-ssa-loop-im.c:2383

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101088 Richard Biener changed: What|Removed |Added Ever confirmed|0 |1 Last reconfirmed|

[Bug target/93571] PPC: fmr gets used instead of faster xxlor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93571 --- Comment #3 from luoxhu at gcc dot gnu.org --- BTW, I didn't see performance difference between fmr and xxlor within a small benchmark. Max Ops Per CycleLatency (Min) Latency (Max) fmr - -

[Bug tree-optimization/101083] [12 Regression] ICE with -Ofast in TYPE_VECTOR_SUBPARTS, at tree.h:3929

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101083 Richard Biener changed: What|Removed |Added Last reconfirmed||2021-06-16

[Bug tree-optimization/101080] wrong code with "-O3"

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101080 Richard Biener changed: What|Removed |Added Status|UNCONFIRMED |NEW Keywords|

[Bug target/93571] PPC: fmr gets used instead of faster xxlor

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93571 luoxhu at gcc dot gnu.org changed: What|Removed |Added CC||luoxhu at gcc dot gnu.org

[Bug tree-optimization/101061] tree-vrp misoptimization on skylake+ using union-based aliasing

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=101061 --- Comment #9 from Alexander Grund --- > Note that when the union type is visible in the access path then GCC allows > punning without further restrictions. Thus the accesses as written above are > OK. Now I have to ask again for

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