[Bug target/110901] -march does not override -mcpu (big.little on aarch64

[rearnsha at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110901

Richard Earnshaw  changed:

   What|Removed |Added

   Last reconfirmed||2023-08-07
 Ever confirmed|0   |1
 Status|UNCONFIRMED |NEW

--- Comment #4 from Richard Earnshaw  ---
I think this is a driver bug.  The MCPU_TO_MARCH_SPEC should be wrapped with 

%{!march=*:...} 

so that the CPU architecture is ignored if -march has been explicitly
specified.

[Bug target/110901] -march does not override -mcpu (big.little on aarch64

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110901

--- Comment #3 from Andrew Pinski  ---
With C code, these use of -march and -mcpu would normally be rejected even.