[Bug target/113779] Very inefficient m68k code generated for simple copy loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113779 --- Comment #5 from Miro Kropacek --- I have been told that one of the reasons why post-incrementing modes are not supported / preferred these days is that they halt the CPU pipeline (of course, totally not applicable on m68k). So with the offse

[Bug target/113779] Very inefficient m68k code generated for simple copy loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113779 --- Comment #3 from Miro Kropacek --- > I wonder if the code we emit is measurably slower though? It's possibly a little bit larger due to the two IV increments. It's definitely slower as both offsets next to the An registers generate a separa

[Bug c/113779] New: Very inefficient m68k code generated for simple copy loop

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=113779 Bug ID: 113779 Summary: Very inefficient m68k code generated for simple copy loop Product: gcc Version: 13.2.0 Status: UNCONFIRMED Severity: normal P

[Bug c++/112712] New: Crash when compiling g++ -m68020-60 -O2

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112712 Bug ID: 112712 Summary: Crash when compiling g++ -m68020-60 -O2 Product: gcc Version: 13.2.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c++

[Bug target/99690] New: gcc/config/m68k/t-mlibs doesn't allow extending MULTILIB_EXCEPTIONS

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99690 Bug ID: 99690 Summary: gcc/config/m68k/t-mlibs doesn't allow extending MULTILIB_EXCEPTIONS Product: gcc Version: 7.5.0 Status: UNCONFIRMED Severity: normal

[Bug target/99144] New: -mtune=68040 doesn't respect restrictions set by -march=68060

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99144 Bug ID: 99144 Summary: -mtune=68040 doesn't respect restrictions set by -march=68060 Product: gcc Version: 10.2.0 Status: UNCONFIRMED Severity: normal