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Groups > alt.os.linux.slackware > #35826

Re: GCC 16.2 ICE

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Henrik Carlqvist <Henrik.Carlqvist@deadspam.com> writes:

> Assuming that you are running stable 64 bit Slackware 15.0 and studying 
> how gcc was built at http://ftp.slackware.com/pub/slackware/
> slackware64-15.0/source/d/gcc/gcc.SlackBuild there doesn't seem to be any 
> such flags for x86_64. However, if you are running 32 bit Slackware 15.0, 
> those gcc i586 packages has been compiled to require the instruction set 
> of an i586 yet tuned for i686 CPUs.

It's Slackware Current from end of Sept. on a new 64-bit Ryzen 9. The
Ryzen 5 has no such issues. Most, but not all, software has built fine
the 9. All builds fine on the 5.

> But in most cases, newer CPUs support the instructions of all older CPUs 
> and sometimes add some more instructions. Could it be that your CPU is 
> broken, lacking support for some instruction that it were supposed to 
> have?

It better not be! It's brand new and I payed a good buck for it.

> Maybe it will work better if you recompile gcc with -march=native ?

I want to avoid a rebuild of GCC if I can, because then *my* GCC won't
sync with the OS's one and Bad Things can happen. I'll play around with
compiler flags in the meantime. I'm on the GCC mailing list so last
resort is check there, but I though I'd try everything else first before
making a dumb mistake in front of the GCC masters.

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Thread

GCC 16.2 ICE jayjwa <jayjwa@atr2.ath.cx.invalid> - 2026-09-29 19:07 -0400
  Re: GCC 16.2 ICE Henrik Carlqvist <Henrik.Carlqvist@deadspam.com> - 2026-09-30 05:53 +0000
    Re: GCC 16.2 ICE jayjwa <jayjwa@atr2.ath.cx.invalid> - 2026-09-30 10:45 -0400
      Re: GCC 16.2 ICE Lew Pitcher <lew.pitcher@digitalfreehold.ca> - 2026-09-30 15:26 +0000
  Re: GCC 16.2 ICE jayjwa <jayjwa@atr2.ath.cx.invalid> - 2026-09-30 21:25 -0400
    Re: GCC 16.2 ICE Henrik Carlqvist <Henrik.Carlqvist@deadspam.com> - 2026-10-01 05:37 +0000
      Re: GCC 16.2 ICE jayjwa <jayjwa@atr2.ath.cx.invalid> - 2026-10-01 11:09 -0400
        Re: GCC 16.2 ICE Henrik Carlqvist <Henrik.Carlqvist@deadspam.com> - 2026-10-01 17:15 +0000

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