[Bug target/70079] missed constant propagation in memcpy expansion

2021-08-06 Thread pinskia at gcc dot gnu.org via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70079 Andrew Pinski changed: What|Removed |Added Ever confirmed|0 |1 Status|UNCONFIRMED

[Bug target/70079] missed constant propagation in memcpy expansion

2016-03-06 Thread segher at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70079 Segher Boessenkool changed: What|Removed |Added CC||segher at gcc dot gnu.org --- Comme

[Bug target/70079] missed constant propagation in memcpy expansion

2016-03-05 Thread bonzini at gnu dot org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70079 --- Comment #2 from Paolo Bonzini --- Yes, until combine there is the equivalent of addl$512, %ecx;; 4 andl$-8, %ecx ;; 4.5 shrl$3, %ecx ;; 5 and combine is ab

[Bug target/70079] missed constant propagation in memcpy expansion

2016-03-05 Thread bernds at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70079 Bernd Schmidt changed: What|Removed |Added CC||bernds at gcc dot gnu.org --- Comment #1