[Bug target/66511] [avr] whole-byte shifts not optimized away for uint64_t

2023-04-16 Thread klaus.doldinger64 at googlemail dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66511 Wilhelm M changed: What|Removed |Added CC||klaus.doldinger64@googlemai

[Bug target/66511] [avr] whole-byte shifts not optimized away for uint64_t

2023-04-16 Thread roger at nextmovesoftware dot com via Gcc-bugs
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66511 Roger Sayle changed: What|Removed |Added CC||roger at nextmovesoftware dot com ---

[Bug target/66511] [avr] whole-byte shifts not optimized away for uint64_t

2015-08-13 Thread gjl at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66511 --- Comment #3 from Georg-Johann Lay gjl at gcc dot gnu.org --- (In reply to Matthijs Kooijman from comment #2) So, IIUC, this is quite hard to fix? Either you use lib functions, which prevents the optimizer from just relabeling or coyping

[Bug target/66511] [avr] whole-byte shifts not optimized away for uint64_t

2015-08-02 Thread matthijs at stdin dot nl
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66511 --- Comment #2 from Matthijs Kooijman matthijs at stdin dot nl --- So, IIUC, this is quite hard to fix? Either you use lib functions, which prevents the optimizer from just relabeling or coyping registers to apply shifting, or you don't and then

[Bug target/66511] [avr] whole-byte shifts not optimized away for uint64_t

2015-06-27 Thread gjl at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66511 Georg-Johann Lay gjl at gcc dot gnu.org changed: What|Removed |Added Keywords|

[Bug target/66511] [avr] whole-byte shifts not optimized away for uint64_t

2015-06-27 Thread gjl at gcc dot gnu.org
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66511 --- Comment #1 from Georg-Johann Lay gjl at gcc dot gnu.org --- (In reply to Matthijs Kooijman from comment #0) I haven't found a readily available 5.x package yet to test. It's the same. As you can see, the versions operating on 64 bit