[Bug tree-optimization/82854] more missing simplifcations

2023-05-01 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82854 --- Comment #3 from Andrew Pinski --- (In reply to Andrew Pinski from comment #2) > /* 0 - (x & 0x8000) -> x & 0x8000 */ > LLVM does Actually RTL has done this since at least GCC 4.1.0, most likely before.

[Bug tree-optimization/82854] more missing simplifcations

2021-08-07 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82854 Andrew Pinski changed: What|Removed |Added Status|UNCONFIRMED |NEW Ever confirmed|0

[Bug tree-optimization/82854] more missing simplifcations

2021-08-06 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82854 Andrew Pinski changed: What|Removed |Added Keywords||missed-optimization Severity|n

[Bug tree-optimization/82854] more missing simplifcations

2017-11-05 Thread andi-gcc at firstfloor dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=82854 --- Comment #1 from Andi Kleen --- Also I suppose a lot of them could be generalized to 8/16/64bit.