Calling a MIPS maintainer (was Re: GCC build failed for mips-elf with your patch on 2002-06-18T19:37:45Z.)

[Phil Edwards]

On Tue, Jun 18, 2002 at 10:18:25PM +0000, GCC regression checker wrote:
> /tmp/ccGfgrTh.s:7081: Error: opcode not supported on this processor: R3000 (MIPS1) `ll $4,-4($3)'
> /tmp/ccGfgrTh.s:7083: Error: opcode not supported on this processor: R3000 (MIPS1) `sc $5,-4($3)'
> make[3]: *** [complex_io.lo] Error 1
> make[3]: Leaving directory `/anubis/mummy/tbox/mips-elf/build/mips-elf/libstdc++-v3/src'

Mea culpa, but I'd like a decision from the MIPS maintainers on what to do.

The regression checker doesn't keep the configure output (the screen output,
I mean, not the config.log) for the last good build, but in the libstdc++-v3
config, the build log currently says:

    ....
    CPU config directory is cpu/mips
    OS config directory is os/generic
    ....

and I'll bet that it used to say

    CPU config directory is cpu/generic
    OS config directory is os/generic

The problem is that we have a libstdc++-v3/config/cpu/mips/ directory,
but the shell fragements to use that directory were reverted.  (H.J. Lu
had #include'd a file, or something.)  So by default, mips used the generic
CPU settings, even though the configury files were still present.

Then, earlier today, I made the v3 configury "smarter" (sigh), and now
it will use cpu/mips for a mips target unless told otherwise.  (The file
doesn't tell it otherwise because the /previous/ version didn't, and I
was unaware that the mips CPU config directory was in fact unused.)


So, MIPS maintainers:  I can just override the default and force the generic
CPU settings for MIPS; this goes back to the way we were yesterday, but
note that the generic CPU atomicity routines aren't actually atomic, i.e.,
generic == not actually working.  The other choice is:  the file presently
in the MIPS directory can be fixed by one of you.  :-)  What should I do?


Phil

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