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Re: mem sharing fix [Re: Your flow.c change on 4/8]
- To: Richard Henderson <rth at cygnus dot com>
- Subject: Re: mem sharing fix [Re: Your flow.c change on 4/8]
- From: Rod Stewart <stewart at nexus dot carleton dot ca>
- Date: Wed, 12 Apr 2000 22:42:05 -0400 (EDT)
- cc: Richard Earnshaw <rearnsha at arm dot com>, gcc-patches at gcc dot gnu dot org
On Wed, 12 Apr 2000, Richard Henderson wrote:
> > /usr/src/redhat/BUILD/gcc/gcc/except.c: In function `init_insn_eh_region':
> > /usr/src/redhat/BUILD/gcc/gcc/except.c:3171: Internal compiler error in
> > `verify_wide_reg_1', at flow.c:2626
>
> Arg. I had Kaz' autoinc patch in my tree, which has the bug that
> it doesn't check for a hard reg before it tests for an eliminable
> register. Which means that autoinc never does anything at all.
>
> Reverting that, I reproduce the bug in the original small test
> and the except.i test.
>
> Here's a fix. Jeff apparently had a similar problem while doing
> PA64 development. I have no idea how this is suddenly triggered.
Thanks, it now makes it further in the bootstrap on ARM Linux Elf. Not
quite there yet.
It now dies with a seg fault in stage1/cc1. But I'll send that one to
gcc-bugs.
-Rms