[Bug target/36362] [4.1/4.2/4.3/4.4 Regression] ICE in simplify_subreg

[rguenther at suse dot de]

------- Comment #5 from rguenther at suse dot de  2008-05-29 10:59 -------
Subject: Re:  [4.1/4.2/4.3/4.4 Regression] ICE in
 simplify_subreg

On Thu, 29 May 2008, ubizjak at gmail dot com wrote:

> ------- Comment #4 from ubizjak at gmail dot com  2008-05-29 10:23 -------
> The problem is, that we enter simplify_gen_subreg from operand_subword with:
> 
> op:
> (reg:QI 61)
> 
> outermode: word_mode (SImode)
> innermode: DImode
> 
> This triggers assert in simplify_subreg:
> 
>   gcc_assert (GET_MODE (op) == innermode
>               || GET_MODE (op) == VOIDmode);

I believe this goes wrong on the tree level somewhere, as we have
a TRUTH_NOT_EXPR of long long type with a boolean type argument
(NE_EXPR).  But I cannot see where this broken typed trees are built.

Richard.


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=36362