Re: -fno-strength-reduce flag patch

Andreas Schwab (schwab@issan.informatik.uni-dortmund.de)
Thu, 18 Sep 97 11:10:38 +0200


Ralf Baechle <ralf@cobaltmicro.com> writes:

|> Only one of the optimizatons performed by the strength reduction pass
|> was disabled. However some people say that few CPUs with just a few
|> registers shouldn't use that optimization anyway as it tends to produce
|> slower code, so -fno-strength-reduce is a good thing anyway. And
|> to my knowledge the particular optimizer bug doesn't show up for
|> other architectures.

FWIW, this bug did show up on m68k as well. It seems to be rather generic.

-- 
Andreas Schwab                                      "And now for something
schwab@issan.informatik.uni-dortmund.de              completely different"