[Bug preprocessor/19821] Preprocessor oom with nested vector operations

[neil at daikokuya dot co dot uk]

------- Additional Comments From neil at daikokuya dot co dot uk  2005-02-08 14:02 -------
Subject: Re:  New: Preprocessor oom with nested vector operations

pochini at shiny dot it wrote:-

> With 4 nested vec_add()'s gcc goes out of memory on my 512MB+1GBswap ppc box. 
> With 3 adds it consumes about 150MB of memory and eventually succeeds. The 
> preprocessor expands the y=... line into an exagerately huge expression. fftw3 
> fails to compile because of this.

But it is ridiculously big.  If you think it's expanding it wrong then
please elaborate.  Otherwise don't use brain-dead macros 8-)


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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=19821