Some thoughts about steerring commitee work

Andrew Pinski pinskia@gmail.com
Sat Jun 16 02:19:00 GMT 2007


On 6/15/07, H. J. Lu <hjl@lucon.org> wrote:
>
> Why don't we turn on vectorizer at -O3 or even -O2, depending on
> ISA? I added -ftree-vectorize to BOOT_CFLAGS on x86-64. According to
> -ftree-vectorizer-verbose=1, there are 82 loops vectorized in
> gcc source. There are no regressions. There are not much changes
> in bootstrap time as well as "make check" time.

Guess you did not see my PR 32093 then where -ftree-vectorize breaks
some testcase?

Thanks,
Andrew Pinski



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