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Re: [avr-gcc-list] -fssa -fssa-dce


From: Denis Chertykov
Subject: Re: [avr-gcc-list] -fssa -fssa-dce
Date: 31 Jul 2002 21:34:03 +0400
User-agent: Gnus/5.0808 (Gnus v5.8.8) Emacs/20.7

"J├Ârgen" Birkler <address@hidden> writes:

> Enabling the SSA optimization crashes AVR-GCC 3.2.
> (i'm running the AVRFreaks ready built one).
> 
> The error:
> accelR8.c:52: internal compiler error: RTL flag check:
> INSN_DEAD_CODE_P used with unexpected rtx code `note'
> in mark_all
> _insn_unnecessary, at gcc/ssa-dce.c:445
> 
> Should I report this as a bug to GCC? 

No. GCC maintainers know about all problems with the current SSA code.

Denis.

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