[Bug target/104829] [12 Regression] Pure 32-bit PowerPC build broken

[segher at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104829

--- Comment #10 from Segher Boessenkool <segher at gcc dot gnu.org> ---
(In reply to joseph@codesourcery.com from comment #6)
> The generated .s file has ".machine ppc".  Maybe there is some 
> inconsistency arising from the use of -mvsx -mfloat128 for this 32-bit 
> configuration with no --with option to change the default CPU?  Should 
> these KFmode functions really be being built for 32-bit libgcc at all?

Using -mvsx with a CPU that does not support VSX insns is problematic.

All this code should use -mcpu=power7.

But, I'll make a patch for rs6000_machine_from_flags to make this work
the way it did before, I now know what the problem is.  Thanks!